From 50041acbe4122817fed9d76a846e78ba6f06c0b5 Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Wed, 8 Oct 2008 13:39:40 +0800 Subject: Blackfin arch: use new platform data interface of musb to replace old one Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/boards/cm_bf527.c | 14 +++++++++++--- arch/blackfin/mach-bf527/boards/ezkit.c | 14 +++++++++++--- arch/blackfin/mach-bf548/boards/cm_bf548.c | 14 +++++++++++--- arch/blackfin/mach-bf548/boards/ezkit.c | 14 +++++++++++--- 4 files changed, 44 insertions(+), 12 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c index d22bc7773717..986483fb69fa 100644 --- a/arch/blackfin/mach-bf527/boards/cm_bf527.c +++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c @@ -43,9 +43,7 @@ #include #include #include -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include -#endif #include #include #include @@ -130,6 +128,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PF11, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -138,7 +146,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 762f754c06cc..a756934482cf 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -42,9 +42,7 @@ #include #include #include -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include -#endif #include #include #include @@ -129,6 +127,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PG13, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -137,7 +145,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index ce934ee174e0..36f56f9ffd05 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -36,9 +36,7 @@ #include #include #include -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include -#endif #include #include #include @@ -268,6 +266,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PH6, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -276,7 +284,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 39357693046d..d22515d080a0 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -38,9 +38,7 @@ #include #include #include -#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) #include -#endif #include #include #include @@ -314,6 +312,16 @@ static struct resource musb_resources[] = { }, }; +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PE7, +}; + static struct musb_hdrc_platform_data musb_plat = { #if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, @@ -322,7 +330,7 @@ static struct musb_hdrc_platform_data musb_plat = { #elif defined(CONFIG_USB_GADGET_MUSB_HDRC) .mode = MUSB_PERIPHERAL, #endif - .multipoint = 0, + .config = &musb_config, }; static u64 musb_dmamask = ~(u32)0; -- cgit v1.2.3 From 31f3d4a317ae1541bf25d0efbf4551855bed0d5b Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Mon, 22 Sep 2008 20:23:55 +0800 Subject: Blackfin arch: add dma mapping stub for musb driver port Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/dma-mapping.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h index 1a13c2fc3667..ede748d67efd 100644 --- a/arch/blackfin/include/asm/dma-mapping.h +++ b/arch/blackfin/include/asm/dma-mapping.h @@ -80,4 +80,15 @@ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction); +static inline void dma_sync_single_for_cpu(struct device *dev, + dma_addr_t handle, size_t size, + enum dma_data_direction dir) +{ +} + +static inline void dma_sync_single_for_device(struct device *dev, + dma_addr_t handle, size_t size, + enum dma_data_direction dir) +{ +} #endif /* _BLACKFIN_DMA_MAPPING_H */ -- cgit v1.2.3 From 8cc7117e7c4968b10fd7327b4a62d9c23082a7b3 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 14:45:06 +0800 Subject: Blackfin arch: Add new board support for ADZS-BF526-EZ-BRD Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 13 +- arch/blackfin/configs/BF526-EZBRD_defconfig | 1427 +++++++++++++++++++++++++++ arch/blackfin/mach-bf527/boards/Kconfig | 5 + arch/blackfin/mach-bf527/boards/Makefile | 1 + arch/blackfin/mach-bf527/boards/ezbrd.c | 734 ++++++++++++++ 5 files changed, 2177 insertions(+), 3 deletions(-) create mode 100644 arch/blackfin/configs/BF526-EZBRD_defconfig create mode 100644 arch/blackfin/mach-bf527/boards/ezbrd.c (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 4154ff1101fa..c507a92cb289 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -249,7 +249,7 @@ config MEM_MT48LC8M32B2B5_7 config MEM_MT48LC32M16A2TG_75 bool - depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP) + depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP || BFIN526_EZBRD) default y source "arch/blackfin/mach-bf527/Kconfig" @@ -286,13 +286,20 @@ config BOOT_LOAD memory region is used to capture NULL pointer references as well as some core kernel functions. +config ROM_BASE + hex "Kernel ROM Base" + default "0x20040000" + range 0x20000000 0x20400000 if !(BF54x || BF561) + range 0x20000000 0x30000000 if (BF54x || BF561) + help + comment "Clock/PLL Setup" config CLKIN_HZ int "Frequency of the crystal on the board in Hz" default "11059200" if BFIN533_STAMP default "27000000" if BFIN533_EZKIT - default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP) + default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD) default "30000000" if BFIN561_EZKIT default "24576000" if PNAV10 default "10000000" if BFIN532_IP0X @@ -332,7 +339,7 @@ config VCO_MULT default "22" if BFIN533_BLUETECHNIX_CM default "20" if (BFIN537_BLUETECHNIX_CM || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM) default "20" if BFIN561_EZKIT - default "16" if (H8606_HVSISTEMAS || BLACKSTAMP) + default "16" if (H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD) help This controls the frequency of the on-chip PLL. This can be between 1 and 64. PLL Frequency = (Crystal Frequency) * (this setting) diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig new file mode 100644 index 000000000000..c33bf6f83813 --- /dev/null +++ b/arch/blackfin/configs/BF526-EZBRD_defconfig @@ -0,0 +1,1427 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.26.3 +# Thu Aug 28 16:49:53 2008 +# +# CONFIG_MMU is not set +# CONFIG_FPU is not set +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_BLACKFIN=y +CONFIG_ZONE_DMA=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_GPIO=y +CONFIG_FORCE_MAX_ZONEORDER=14 +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# General setup +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SYSVIPC=y +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +# CONFIG_TASKSTATS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_CGROUPS is not set +# CONFIG_GROUP_SCHED is not set +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +# CONFIG_RELAY is not set +# CONFIG_NAMESPACES is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_COMPAT_BRK=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_PROFILING is not set +# CONFIG_MARKERS is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_HAVE_KPROBES is not set +# CONFIG_HAVE_KRETPROBES is not set +# CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_SLABINFO=y +CONFIG_RT_MUTEXES=y +CONFIG_TINY_SHMEM=y +CONFIG_BASE_SMALL=0 +CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set +# CONFIG_BLK_DEV_BSG is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" +CONFIG_CLASSIC_RCU=y +# CONFIG_PREEMPT_NONE is not set +CONFIG_PREEMPT_VOLUNTARY=y +# CONFIG_PREEMPT is not set + +# +# Blackfin Processor Options +# + +# +# Processor and Board Settings +# +# CONFIG_BF522 is not set +# CONFIG_BF523 is not set +# CONFIG_BF524 is not set +# CONFIG_BF525 is not set +CONFIG_BF526=y +# CONFIG_BF527 is not set +# CONFIG_BF531 is not set +# CONFIG_BF532 is not set +# CONFIG_BF533 is not set +# CONFIG_BF534 is not set +# CONFIG_BF536 is not set +# CONFIG_BF537 is not set +# CONFIG_BF542 is not set +# CONFIG_BF544 is not set +# CONFIG_BF547 is not set +# CONFIG_BF548 is not set +# CONFIG_BF549 is not set +# CONFIG_BF561 is not set +CONFIG_BF_REV_0_0=y +# CONFIG_BF_REV_0_1 is not set +# CONFIG_BF_REV_0_2 is not set +# CONFIG_BF_REV_0_3 is not set +# CONFIG_BF_REV_0_4 is not set +# CONFIG_BF_REV_0_5 is not set +# CONFIG_BF_REV_ANY is not set +# CONFIG_BF_REV_NONE is not set +CONFIG_BF52x=y +CONFIG_MEM_MT48LC32M16A2TG_75=y +# CONFIG_BFIN527_EZKIT is not set +# CONFIG_BFIN527_BLUETECHNIX_CM is not set +CONFIG_BFIN526_EZBRD=y + +# +# BF527 Specific Configuration +# + +# +# Alternative Multiplexing Scheme +# +# CONFIG_BF527_SPORT0_PORTF is not set +CONFIG_BF527_SPORT0_PORTG=y +CONFIG_BF527_SPORT0_TSCLK_PG10=y +# CONFIG_BF527_SPORT0_TSCLK_PG14 is not set +CONFIG_BF527_UART1_PORTF=y +# CONFIG_BF527_UART1_PORTG is not set +# CONFIG_BF527_NAND_D_PORTF is not set +CONFIG_BF527_NAND_D_PORTH=y + +# +# Interrupt Priority Assignment +# + +# +# Priority +# +CONFIG_IRQ_PLL_WAKEUP=7 +CONFIG_IRQ_DMA0_ERROR=7 +CONFIG_IRQ_DMAR0_BLK=7 +CONFIG_IRQ_DMAR1_BLK=7 +CONFIG_IRQ_DMAR0_OVR=7 +CONFIG_IRQ_DMAR1_OVR=7 +CONFIG_IRQ_PPI_ERROR=7 +CONFIG_IRQ_MAC_ERROR=7 +CONFIG_IRQ_SPORT0_ERROR=7 +CONFIG_IRQ_SPORT1_ERROR=7 +CONFIG_IRQ_UART0_ERROR=7 +CONFIG_IRQ_UART1_ERROR=7 +CONFIG_IRQ_RTC=8 +CONFIG_IRQ_PPI=8 +CONFIG_IRQ_SPORT0_RX=9 +CONFIG_IRQ_SPORT0_TX=9 +CONFIG_IRQ_SPORT1_RX=9 +CONFIG_IRQ_SPORT1_TX=9 +CONFIG_IRQ_TWI=10 +CONFIG_IRQ_SPI=10 +CONFIG_IRQ_UART0_RX=10 +CONFIG_IRQ_UART0_TX=10 +CONFIG_IRQ_UART1_RX=10 +CONFIG_IRQ_UART1_TX=10 +CONFIG_IRQ_OPTSEC=11 +CONFIG_IRQ_CNT=11 +CONFIG_IRQ_MAC_RX=11 +CONFIG_IRQ_PORTH_INTA=11 +CONFIG_IRQ_MAC_TX=11 +CONFIG_IRQ_PORTH_INTB=11 +CONFIG_IRQ_TMR0=12 +CONFIG_IRQ_TMR1=12 +CONFIG_IRQ_TMR2=12 +CONFIG_IRQ_TMR3=12 +CONFIG_IRQ_TMR4=12 +CONFIG_IRQ_TMR5=12 +CONFIG_IRQ_TMR6=12 +CONFIG_IRQ_TMR7=12 +CONFIG_IRQ_PORTG_INTA=12 +CONFIG_IRQ_PORTG_INTB=12 +CONFIG_IRQ_MEM_DMA0=13 +CONFIG_IRQ_MEM_DMA1=13 +CONFIG_IRQ_WATCH=13 +CONFIG_IRQ_PORTF_INTA=13 +CONFIG_IRQ_PORTF_INTB=13 +CONFIG_IRQ_SPI_ERROR=7 +CONFIG_IRQ_NFC_ERROR=7 +CONFIG_IRQ_HDMA_ERROR=7 +CONFIG_IRQ_HDMA=7 +CONFIG_IRQ_USB_EINT=10 +CONFIG_IRQ_USB_INT0=11 +CONFIG_IRQ_USB_INT1=11 +CONFIG_IRQ_USB_INT2=11 +CONFIG_IRQ_USB_DMA=11 + +# +# Board customizations +# +# CONFIG_CMDLINE_BOOL is not set +CONFIG_BOOT_LOAD=0x1000 + +# +# Clock/PLL Setup +# +CONFIG_CLKIN_HZ=25000000 +# CONFIG_BFIN_KERNEL_CLOCK is not set +CONFIG_MAX_MEM_SIZE=512 +CONFIG_MAX_VCO_HZ=400000000 +CONFIG_MIN_VCO_HZ=50000000 +CONFIG_MAX_SCLK_HZ=133333333 +CONFIG_MIN_SCLK_HZ=27000000 + +# +# Kernel Timer/Scheduler +# +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +# CONFIG_SCHED_HRTICK is not set +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +# CONFIG_CYCLES_CLOCKSOURCE is not set +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y + +# +# Memory Setup +# + +# +# Misc +# +CONFIG_BFIN_SCRATCH_REG_RETN=y +# CONFIG_BFIN_SCRATCH_REG_RETE is not set +# CONFIG_BFIN_SCRATCH_REG_CYCLES is not set + +# +# Blackfin Kernel Optimizations +# + +# +# Memory Optimizations +# +CONFIG_I_ENTRY_L1=y +CONFIG_EXCPT_IRQ_SYSC_L1=y +CONFIG_DO_IRQ_L1=y +CONFIG_CORE_TIMER_IRQ_L1=y +CONFIG_IDLE_L1=y +# CONFIG_SCHEDULE_L1 is not set +CONFIG_ARITHMETIC_OPS_L1=y +CONFIG_ACCESS_OK_L1=y +# CONFIG_MEMSET_L1 is not set +# CONFIG_MEMCPY_L1 is not set +# CONFIG_SYS_BFIN_SPINLOCK_L1 is not set +# CONFIG_IP_CHECKSUM_L1 is not set +CONFIG_CACHELINE_ALIGNED_L1=y +# CONFIG_SYSCALL_TAB_L1 is not set +# CONFIG_CPLB_SWITCH_TAB_L1 is not set + +# +# Speed Optimizations +# +CONFIG_BFIN_INS_LOWOVERHEAD=y +CONFIG_RAMKERNEL=y +# CONFIG_ROMKERNEL is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=1 +CONFIG_VIRT_TO_BUS=y +CONFIG_BFIN_GPTIMERS=y +CONFIG_BFIN_DMA_5XX=y +# CONFIG_DMA_UNCACHED_4M is not set +# CONFIG_DMA_UNCACHED_2M is not set +CONFIG_DMA_UNCACHED_1M=y +# CONFIG_DMA_UNCACHED_NONE is not set + +# +# Cache Support +# +CONFIG_BFIN_ICACHE=y +CONFIG_BFIN_DCACHE=y +# CONFIG_BFIN_DCACHE_BANKA is not set +# CONFIG_BFIN_ICACHE_LOCK is not set +CONFIG_BFIN_WB=y +# CONFIG_BFIN_WT is not set +# CONFIG_MPU is not set + +# +# Asynchonous Memory Configuration +# + +# +# EBIU_AMGCTL Global Control +# +CONFIG_C_AMCKEN=y +CONFIG_C_CDPRIO=y +# CONFIG_C_AMBEN is not set +# CONFIG_C_AMBEN_B0 is not set +# CONFIG_C_AMBEN_B0_B1 is not set +# CONFIG_C_AMBEN_B0_B1_B2 is not set +CONFIG_C_AMBEN_ALL=y + +# +# EBIU_AMBCTL Control +# +CONFIG_BANK_0=0x7BB0 +CONFIG_BANK_1=0x5554 +CONFIG_BANK_2=0x7BB0 +CONFIG_BANK_3=0xFFC0 + +# +# Bus options (PCI, PCMCIA, EISA, MCA, ISA) +# +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCCARD is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF_FDPIC=y +CONFIG_BINFMT_FLAT=y +CONFIG_BINFMT_ZFLAT=y +# CONFIG_BINFMT_SHARED_FLAT is not set +# CONFIG_BINFMT_MISC is not set + +# +# Power management options +# +# CONFIG_PM is not set +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_PM_WAKEUP_BY_GPIO is not set + +# +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_XFRM_STATISTICS is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +# CONFIG_IP_PNP_DHCP is not set +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +CONFIG_SYN_COOKIES=y +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +# CONFIG_INET_LRO is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_NETLABEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_CAN is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set +# CONFIG_NET_9P is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_SYS_HYPERVISOR is not set +# CONFIG_CONNECTOR is not set +CONFIG_MTD=y +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_CONCAT is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_REDBOOT_PARTS is not set +# CONFIG_MTD_CMDLINE_PARTS is not set +# CONFIG_MTD_AR7_PARTS is not set + +# +# User Modules And Translation Layers +# +CONFIG_MTD_CHAR=m +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_FTL is not set +# CONFIG_NFTL is not set +# CONFIG_INFTL is not set +# CONFIG_RFD_FTL is not set +# CONFIG_SSFDC is not set +# CONFIG_MTD_OOPS is not set + +# +# RAM/ROM/Flash chip drivers +# +# CONFIG_MTD_CFI is not set +CONFIG_MTD_JEDECPROBE=m +CONFIG_MTD_GEN_PROBE=m +# CONFIG_MTD_CFI_ADV_OPTIONS is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +CONFIG_MTD_MAP_BANK_WIDTH_2=y +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_CFI_AMDSTD is not set +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_RAM=y +CONFIG_MTD_ROM=m +# CONFIG_MTD_ABSENT is not set + +# +# Mapping drivers for chip access +# +CONFIG_MTD_COMPLEX_MAPPINGS=y +# CONFIG_MTD_PHYSMAP is not set +# CONFIG_MTD_GPIO_ADDR is not set +# CONFIG_MTD_UCLINUX is not set +# CONFIG_MTD_PLATRAM is not set + +# +# Self-contained MTD device drivers +# +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SLRAM is not set +# CONFIG_MTD_PHRAM is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_BLOCK2MTD is not set + +# +# Disk-On-Chip Device Drivers +# +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_NAND=m +# CONFIG_MTD_NAND_VERIFY_WRITE is not set +# CONFIG_MTD_NAND_ECC_SMC is not set +# CONFIG_MTD_NAND_MUSEUM_IDS is not set +CONFIG_MTD_NAND_BFIN=m +CONFIG_BFIN_NAND_BASE=0x20212000 +CONFIG_BFIN_NAND_CLE=2 +CONFIG_BFIN_NAND_ALE=1 +CONFIG_BFIN_NAND_READY=3 +CONFIG_MTD_NAND_IDS=m +# CONFIG_MTD_NAND_BF5XX is not set +# CONFIG_MTD_NAND_DISKONCHIP is not set +# CONFIG_MTD_NAND_NANDSIM is not set +# CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set +# CONFIG_MTD_ONENAND is not set + +# +# UBI - Unsorted block images +# +# CONFIG_MTD_UBI is not set +# CONFIG_PARPORT is not set +CONFIG_BLK_DEV=y +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_UB is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +# CONFIG_BLK_DEV_XIP is not set +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set +CONFIG_MISC_DEVICES=y +# CONFIG_EEPROM_93CX6 is not set +# CONFIG_ENCLOSURE_SERVICES is not set +CONFIG_HAVE_IDE=y +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SCSI_NETLINK is not set +# CONFIG_ATA is not set +# CONFIG_MD is not set +CONFIG_NETDEVICES=y +# CONFIG_NETDEVICES_MULTIQUEUE is not set +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_MACVLAN is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_VETH is not set +CONFIG_PHYLIB=y + +# +# MII PHY device drivers +# +# CONFIG_MARVELL_PHY is not set +# CONFIG_DAVICOM_PHY is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_LXT_PHY is not set +# CONFIG_CICADA_PHY is not set +# CONFIG_VITESSE_PHY is not set +# CONFIG_SMSC_PHY is not set +# CONFIG_BROADCOM_PHY is not set +# CONFIG_ICPLUS_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_FIXED_PHY is not set +# CONFIG_MDIO_BITBANG is not set +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +CONFIG_BFIN_MAC=y +CONFIG_BFIN_TX_DESC_NUM=10 +CONFIG_BFIN_RX_DESC_NUM=20 +CONFIG_BFIN_MAC_RMII=y +# CONFIG_SMC91X is not set +# CONFIG_SMSC911X is not set +# CONFIG_DM9000 is not set +# CONFIG_ENC28J60 is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_B44 is not set +CONFIG_NETDEV_1000=y +# CONFIG_E1000E_ENABLED is not set +# CONFIG_AX88180 is not set +CONFIG_NETDEV_10000=y + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_IWLWIFI_LEDS is not set + +# +# USB Network Adapters +# +# CONFIG_USB_CATC is not set +# CONFIG_USB_KAWETH is not set +# CONFIG_USB_PEGASUS is not set +# CONFIG_USB_RTL8150 is not set +# CONFIG_USB_USBNET is not set +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set +# CONFIG_ISDN is not set +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set +# CONFIG_INPUT_POLLDEV is not set + +# +# Userland interfaces +# +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +CONFIG_INPUT_MISC=y +# CONFIG_INPUT_ATI_REMOTE is not set +# CONFIG_INPUT_ATI_REMOTE2 is not set +# CONFIG_INPUT_KEYSPAN_REMOTE is not set +# CONFIG_INPUT_POWERMATE is not set +# CONFIG_INPUT_YEALINK is not set +# CONFIG_INPUT_UINPUT is not set +# CONFIG_TWI_KEYPAD is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_AD9960 is not set +# CONFIG_SPI_ADC_BF533 is not set +# CONFIG_BF5xx_PPIFCD is not set +# CONFIG_BFIN_SIMPLE_TIMER is not set +# CONFIG_BF5xx_PPI is not set +# CONFIG_BFIN_SPORT is not set +# CONFIG_BFIN_TIMER_LATENCY is not set +# CONFIG_TWI_LCD is not set +CONFIG_SIMPLE_GPIO=m +CONFIG_VT=y +CONFIG_VT_CONSOLE=y +CONFIG_HW_CONSOLE=y +# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_DEVKMEM=y +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_BFIN=y +CONFIG_SERIAL_BFIN_CONSOLE=y +CONFIG_SERIAL_BFIN_DMA=y +# CONFIG_SERIAL_BFIN_PIO is not set +# CONFIG_SERIAL_BFIN_UART0 is not set +CONFIG_SERIAL_BFIN_UART1=y +# CONFIG_BFIN_UART1_CTSRTS is not set +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_BFIN_SPORT is not set +CONFIG_UNIX98_PTYS=y +# CONFIG_LEGACY_PTYS is not set +CONFIG_BFIN_OTP=y +# CONFIG_BFIN_OTP_WRITE_ENABLE is not set + +# +# CAN, the car bus and industrial fieldbus +# +# CONFIG_CAN4LINUX is not set +# CONFIG_IPMI_HANDLER is not set +CONFIG_HW_RANDOM=y +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set +# CONFIG_TCG_TPM is not set +CONFIG_I2C=y +CONFIG_I2C_BOARDINFO=y +CONFIG_I2C_CHARDEV=m +CONFIG_I2C_HELPER_AUTO=y + +# +# I2C Hardware Bus support +# +CONFIG_I2C_BLACKFIN_TWI=y +CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=50 +# CONFIG_I2C_GPIO is not set +# CONFIG_I2C_OCORES is not set +# CONFIG_I2C_PARPORT_LIGHT is not set +# CONFIG_I2C_SIMTEC is not set +# CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_STUB is not set +# CONFIG_I2C_TINY_USB is not set +# CONFIG_I2C_PCA_PLATFORM is not set + +# +# Miscellaneous I2C Chip support +# +# CONFIG_DS1682 is not set +# CONFIG_SENSORS_AD5252 is not set +# CONFIG_SENSORS_EEPROM is not set +# CONFIG_SENSORS_PCF8574 is not set +# CONFIG_PCF8575 is not set +# CONFIG_SENSORS_PCF8591 is not set +# CONFIG_SENSORS_MAX6875 is not set +# CONFIG_SENSORS_TSL2550 is not set +# CONFIG_I2C_DEBUG_CORE is not set +# CONFIG_I2C_DEBUG_ALGO is not set +# CONFIG_I2C_DEBUG_BUS is not set +# CONFIG_I2C_DEBUG_CHIP is not set +CONFIG_SPI=y +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BFIN=y +# CONFIG_SPI_BITBANG is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_AT25 is not set +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set +# CONFIG_W1 is not set +# CONFIG_POWER_SUPPLY is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADM1021 is not set +# CONFIG_SENSORS_ADM1025 is not set +# CONFIG_SENSORS_ADM1026 is not set +# CONFIG_SENSORS_ADM1029 is not set +# CONFIG_SENSORS_ADM1031 is not set +# CONFIG_SENSORS_ADM9240 is not set +# CONFIG_SENSORS_ADT7470 is not set +# CONFIG_SENSORS_ADT7473 is not set +# CONFIG_SENSORS_ATXP1 is not set +# CONFIG_SENSORS_DS1621 is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_F71882FG is not set +# CONFIG_SENSORS_F75375S is not set +# CONFIG_SENSORS_GL518SM is not set +# CONFIG_SENSORS_GL520SM is not set +# CONFIG_SENSORS_IT87 is not set +# CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM70 is not set +# CONFIG_SENSORS_LM75 is not set +# CONFIG_SENSORS_LM77 is not set +# CONFIG_SENSORS_LM78 is not set +# CONFIG_SENSORS_LM80 is not set +# CONFIG_SENSORS_LM83 is not set +# CONFIG_SENSORS_LM85 is not set +# CONFIG_SENSORS_LM87 is not set +# CONFIG_SENSORS_LM90 is not set +# CONFIG_SENSORS_LM92 is not set +# CONFIG_SENSORS_LM93 is not set +# CONFIG_SENSORS_MAX1619 is not set +# CONFIG_SENSORS_MAX6650 is not set +# CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_DME1737 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_THMC50 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set +# CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set +# CONFIG_SENSORS_W83L785TS is not set +# CONFIG_SENSORS_W83L786NG is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_SENSORS_W83627EHF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set +# CONFIG_THERMAL is not set +# CONFIG_THERMAL_HWMON is not set +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +# CONFIG_SOFT_WATCHDOG is not set +CONFIG_BFIN_WDT=y + +# +# USB-based Watchdog Cards +# +# CONFIG_USBPCWATCHDOG is not set + +# +# Sonics Silicon Backplane +# +CONFIG_SSB_POSSIBLE=y +# CONFIG_SSB is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set +# CONFIG_HTC_PASIC3 is not set + +# +# Multimedia devices +# + +# +# Multimedia core support +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_VIDEO_MEDIA is not set + +# +# Multimedia drivers +# +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_VGASTATE is not set +# CONFIG_VIDEO_OUTPUT_CONTROL is not set +# CONFIG_FB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set + +# +# Console display driver support +# +CONFIG_DUMMY_CONSOLE=y + +# +# Sound +# +CONFIG_SOUND=m + +# +# Advanced Linux Sound Architecture +# +CONFIG_SND=m +CONFIG_SND_TIMER=m +CONFIG_SND_PCM=m +# CONFIG_SND_SEQUENCER is not set +CONFIG_SND_OSSEMUL=y +CONFIG_SND_MIXER_OSS=m +CONFIG_SND_PCM_OSS=m +CONFIG_SND_PCM_OSS_PLUGINS=y +# CONFIG_SND_DYNAMIC_MINORS is not set +CONFIG_SND_SUPPORT_OLD_API=y +CONFIG_SND_VERBOSE_PROCFS=y +# CONFIG_SND_VERBOSE_PRINTK is not set +# CONFIG_SND_DEBUG is not set + +# +# Generic devices +# +# CONFIG_SND_DUMMY is not set +# CONFIG_SND_MTPAV is not set +# CONFIG_SND_SERIAL_U16550 is not set +# CONFIG_SND_MPU401 is not set + +# +# SPI devices +# + +# +# ALSA Blackfin devices +# +# CONFIG_SND_BLACKFIN_AD1836 is not set +# CONFIG_SND_BFIN_AD73311 is not set +# CONFIG_SND_BFIN_AD73322 is not set + +# +# USB devices +# +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_CAIAQ is not set + +# +# System on Chip audio support +# +CONFIG_SND_SOC=m +CONFIG_SND_BF5XX_I2S=m +CONFIG_SND_BF5XX_SOC_SSM2602=m +# CONFIG_SND_BF5XX_AC97 is not set +CONFIG_SND_BF5XX_SOC_SPORT=m +CONFIG_SND_BF5XX_SOC_I2S=m +CONFIG_SND_BF5XX_SPORT_NUM=0 + +# +# ALSA SoC audio for Freescale SOCs +# + +# +# SoC Audio for the Texas Instruments OMAP +# +CONFIG_SND_SOC_SSM2602=m + +# +# Open Sound System +# +# CONFIG_SOUND_PRIME is not set +CONFIG_HID_SUPPORT=y +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set +# CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y +# CONFIG_USB_HIDINPUT_POWERBOOK is not set +# CONFIG_HID_FF is not set +# CONFIG_USB_HIDDEV is not set +CONFIG_USB_SUPPORT=y +CONFIG_USB_ARCH_HAS_HCD=y +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set + +# +# Miscellaneous USB options +# +# CONFIG_USB_DEVICEFS is not set +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_OTG is not set +# CONFIG_USB_OTG_WHITELIST is not set +CONFIG_USB_OTG_BLACKLIST_HUB=y + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +CONFIG_USB_MUSB_HDRC=y +CONFIG_USB_MUSB_SOC=y + +# +# Blackfin high speed USB support +# +CONFIG_USB_MUSB_HOST=y +# CONFIG_USB_MUSB_PERIPHERAL is not set +# CONFIG_USB_MUSB_OTG is not set +CONFIG_USB_MUSB_HDRC_HCD=y +CONFIG_MUSB_PIO_ONLY=y +CONFIG_USB_MUSB_LOGLEVEL=0 + +# +# USB Device Class drivers +# +# CONFIG_USB_ACM is not set +# CONFIG_USB_PRINTER is not set +# CONFIG_USB_WDM is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set +CONFIG_USB_MON=y + +# +# USB port drivers +# +# CONFIG_USB_SERIAL is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_AUERSWALD is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_BERRY_CHARGE is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_PHIDGET is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_SISUSBVGA is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_ISIGHTFW is not set +# CONFIG_USB_GADGET is not set +# CONFIG_MMC is not set +# CONFIG_MEMSTICK is not set +# CONFIG_NEW_LEDS is not set +# CONFIG_ACCESSIBILITY is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_BFIN=y +# CONFIG_UIO is not set + +# +# File systems +# +# CONFIG_EXT2_FS is not set +# CONFIG_EXT3_FS is not set +# CONFIG_EXT4DEV_FS is not set +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_OCFS2_FS is not set +# CONFIG_DNOTIFY is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +# CONFIG_TMPFS is not set +# CONFIG_HUGETLB_PAGE is not set +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_YAFFS_FS=m +CONFIG_YAFFS_YAFFS1=y +# CONFIG_YAFFS_9BYTE_TAGS is not set +# CONFIG_YAFFS_DOES_ECC is not set +CONFIG_YAFFS_YAFFS2=y +CONFIG_YAFFS_AUTO_YAFFS2=y +# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set +# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set +# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set +CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y +CONFIG_JFFS2_FS=m +CONFIG_JFFS2_FS_DEBUG=0 +CONFIG_JFFS2_FS_WRITEBUFFER=y +# CONFIG_JFFS2_FS_WBUF_VERIFY is not set +# CONFIG_JFFS2_SUMMARY is not set +# CONFIG_JFFS2_FS_XATTR is not set +# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set +CONFIG_JFFS2_ZLIB=y +# CONFIG_JFFS2_LZO is not set +CONFIG_JFFS2_RTIME=y +# CONFIG_JFFS2_RUBIN is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set +CONFIG_NETWORK_FILESYSTEMS=y +CONFIG_NFS_FS=m +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFSD is not set +CONFIG_LOCKD=m +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=m +# CONFIG_SUNRPC_BIND34 is not set +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +CONFIG_SMB_FS=m +# CONFIG_SMB_NLS_DEFAULT is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y +CONFIG_NLS=m +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set +# CONFIG_DLM is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_WARN_DEPRECATED=y +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_FRAME_WARN=1024 +# CONFIG_MAGIC_SYSRQ is not set +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +# CONFIG_DEBUG_KERNEL is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +# CONFIG_SAMPLES is not set +CONFIG_DEBUG_MMRS=y +CONFIG_DEBUG_HUNT_FOR_ZERO=y +CONFIG_DEBUG_BFIN_HWTRACE_ON=y +CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_OFF=y +# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE is not set +# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_TWO is not set +CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=0 +# CONFIG_DEBUG_BFIN_HWTRACE_EXPAND is not set +# CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE is not set +CONFIG_EARLY_PRINTK=y +CONFIG_CPLB_INFO=y +CONFIG_ACCESS_CHECK=y + +# +# Security options +# +# CONFIG_KEYS is not set +CONFIG_SECURITY=y +# CONFIG_SECURITY_NETWORK is not set +# CONFIG_SECURITY_CAPABILITIES is not set +# CONFIG_SECURITY_ROOTPLUG is not set +CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0 +CONFIG_CRYPTO=y + +# +# Crypto core or helper +# +# CONFIG_CRYPTO_MANAGER is not set +# CONFIG_CRYPTO_GF128MUL is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_CRYPTD is not set +# CONFIG_CRYPTO_AUTHENC is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Authenticated Encryption with Associated Data +# +# CONFIG_CRYPTO_CCM is not set +# CONFIG_CRYPTO_GCM is not set +# CONFIG_CRYPTO_SEQIV is not set + +# +# Block modes +# +# CONFIG_CRYPTO_CBC is not set +# CONFIG_CRYPTO_CTR is not set +# CONFIG_CRYPTO_CTS is not set +# CONFIG_CRYPTO_ECB is not set +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_PCBC is not set +# CONFIG_CRYPTO_XTS is not set + +# +# Hash modes +# +# CONFIG_CRYPTO_HMAC is not set +# CONFIG_CRYPTO_XCBC is not set + +# +# Digest +# +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_MD4 is not set +# CONFIG_CRYPTO_MD5 is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_WP512 is not set + +# +# Ciphers +# +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_DES is not set +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_SALSA20 is not set +# CONFIG_CRYPTO_SEED is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_TWOFISH is not set + +# +# Compression +# +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_LZO is not set +CONFIG_CRYPTO_HW=y + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_GENERIC_FIND_FIRST_BIT is not set +CONFIG_CRC_CCITT=m +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_CRC7 is not set +# CONFIG_LIBCRC32C is not set +CONFIG_ZLIB_INFLATE=y +CONFIG_ZLIB_DEFLATE=m +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/blackfin/mach-bf527/boards/Kconfig b/arch/blackfin/mach-bf527/boards/Kconfig index 8bf9e58f0148..df224d04e167 100644 --- a/arch/blackfin/mach-bf527/boards/Kconfig +++ b/arch/blackfin/mach-bf527/boards/Kconfig @@ -14,4 +14,9 @@ config BFIN527_BLUETECHNIX_CM help CM-BF527 support for EVAL- and DEV-Board. +config BFIN526_EZBRD + bool "BF526-EZBRD" + help + BF526-EZBRD/EZKIT Lite board support. + endchoice diff --git a/arch/blackfin/mach-bf527/boards/Makefile b/arch/blackfin/mach-bf527/boards/Makefile index 7ba7d256bbb8..eb6ed3362f9f 100644 --- a/arch/blackfin/mach-bf527/boards/Makefile +++ b/arch/blackfin/mach-bf527/boards/Makefile @@ -4,3 +4,4 @@ obj-$(CONFIG_BFIN527_EZKIT) += ezkit.o obj-$(CONFIG_BFIN527_BLUETECHNIX_CM) += cm_bf527.o +obj-$(CONFIG_BFIN526_EZBRD) += ezbrd.o diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c new file mode 100644 index 000000000000..36c87b6fbdec --- /dev/null +++ b/arch/blackfin/mach-bf527/boards/ezbrd.c @@ -0,0 +1,734 @@ +/* + * File: arch/blackfin/mach-bf527/boards/ezbrd.c + * Based on: arch/blackfin/mach-bf537/boards/stamp.c + * Author: Aidan Williams + * + * Created: + * Description: + * + * Modified: + * Copyright 2005 National ICT Australia (NICTA) + * Copyright 2004-2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "BF526-EZBRD"; + +/* + * Driver needs to know address, irq and flag pin. + */ + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) +static struct resource musb_resources[] = { + [0] = { + .start = 0xffc03800, + .end = 0xffc03cff, + .flags = IORESOURCE_MEM, + }, + [1] = { /* general IRQ */ + .start = IRQ_USB_INT0, + .end = IRQ_USB_INT0, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, + [2] = { /* DMA IRQ */ + .start = IRQ_USB_DMA, + .end = IRQ_USB_DMA, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct musb_hdrc_config musb_config = { + .multipoint = 0, + .dyn_fifo = 0, + .soft_con = 1, + .dma = 1, + .num_eps = 7, + .dma_channels = 7, + .gpio_vrsel = GPIO_PG13, +}; + +static struct musb_hdrc_platform_data musb_plat = { +#if defined(CONFIG_USB_MUSB_OTG) + .mode = MUSB_OTG, +#elif defined(CONFIG_USB_MUSB_HDRC_HCD) + .mode = MUSB_HOST, +#elif defined(CONFIG_USB_GADGET_MUSB_HDRC) + .mode = MUSB_PERIPHERAL, +#endif + .config = &musb_config, +}; + +static u64 musb_dmamask = ~(u32)0; + +static struct platform_device musb_device = { + .name = "musb_hdrc", + .id = 0, + .dev = { + .dma_mask = &musb_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &musb_plat, + }, + .num_resources = ARRAY_SIZE(musb_resources), + .resource = musb_resources, +}; +#endif + +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition ezbrd_partitions[] = { + { + .name = "bootloader(nor)", + .size = 0x40000, + .offset = 0, + }, { + .name = "linux kernel(nor)", + .size = 0x1C0000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "file system(nor)", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data ezbrd_flash_data = { + .width = 2, + .parts = ezbrd_partitions, + .nr_parts = ARRAY_SIZE(ezbrd_partitions), +}; + +static struct resource ezbrd_flash_resource = { + .start = 0x20000000, + .end = 0x203fffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ezbrd_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &ezbrd_flash_data, + }, + .num_resources = 1, + .resource = &ezbrd_flash_resource, +}; +#endif + +#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) +static struct mtd_partition partition_info[] = { + { + .name = "linux kernel(nand)", + .offset = 0, + .size = 4 * 1024 * 1024, + }, + { + .name = "file system(nand)", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct bf5xx_nand_platform bf5xx_nand_platform = { + .page_size = NFC_PG_SIZE_256, + .data_width = NFC_NWIDTH_8, + .partitions = partition_info, + .nr_partitions = ARRAY_SIZE(partition_info), + .rd_dly = 3, + .wr_dly = 3, +}; + +static struct resource bf5xx_nand_resources[] = { + { + .start = NFC_CTL, + .end = NFC_DATA_RD + 2, + .flags = IORESOURCE_MEM, + }, + { + .start = CH_NFC, + .end = CH_NFC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bf5xx_nand_device = { + .name = "bf5xx-nand", + .id = 0, + .num_resources = ARRAY_SIZE(bf5xx_nand_resources), + .resource = bf5xx_nand_resources, + .dev = { + .platform_data = &bf5xx_nand_platform, + }, +}; +#endif + +#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) +static struct platform_device rtc_device = { + .name = "rtc-bfin", + .id = -1, +}; +#endif + + +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) +static struct platform_device bfin_mac_device = { + .name = "bfin_mac", +}; +#endif + +#if defined(CONFIG_MTD_M25P80) \ + || defined(CONFIG_MTD_M25P80_MODULE) +static struct mtd_partition bfin_spi_flash_partitions[] = { + { + .name = "bootloader(spi)", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_CAP_ROM + }, { + .name = "linux kernel(spi)", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct flash_platform_data bfin_spi_flash_data = { + .name = "m25p80", + .parts = bfin_spi_flash_partitions, + .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), + .type = "m25p16", +}; + +/* SPI flash chip (m25p64) */ +static struct bfin5xx_spi_chip spi_flash_chip_info = { + .enable_dma = 0, /* use dma transfer with this chip*/ + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_SPI_ADC_BF533) \ + || defined(CONFIG_SPI_ADC_BF533_MODULE) +/* SPI ADC chip */ +static struct bfin5xx_spi_chip spi_adc_chip_info = { + .enable_dma = 1, /* use dma transfer with this chip*/ + .bits_per_word = 16, +}; +#endif + +#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) +static struct bfin5xx_spi_chip spi_mmc_chip_info = { + .enable_dma = 1, + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_PBX) +static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { + .ctl_reg = 0x4, /* send zero */ + .enable_dma = 0, + .bits_per_word = 8, + .cs_change_per_word = 1, +}; +#endif + +#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +static struct bfin5xx_spi_chip spi_ad7877_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; + +static const struct ad7877_platform_data bfin_ad7877_ts_info = { + .model = 7877, + .vref_delay_usecs = 50, /* internal, no capacitor */ + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .pressure_max = 1000, + .pressure_min = 0, + .stopacq_polarity = 1, + .first_conversion_delay = 3, + .acquisition_time = 1, + .averaging = 1, + .pen_down_acc_interval = 1, +}; +#endif + +#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \ + && defined(CONFIG_SND_SOC_WM8731_SPI) +static struct bfin5xx_spi_chip spi_wm8731_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; +#endif + +#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) +static struct bfin5xx_spi_chip spidev_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + +static struct spi_board_info bfin_spi_board_info[] __initdata = { +#if defined(CONFIG_MTD_M25P80) \ + || defined(CONFIG_MTD_M25P80_MODULE) + { + /* the modalias must be the same as spi device driver name */ + .modalias = "m25p80", /* Name of spi_driver for this device */ + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ + .platform_data = &bfin_spi_flash_data, + .controller_data = &spi_flash_chip_info, + .mode = SPI_MODE_3, + }, +#endif + +#if defined(CONFIG_SPI_ADC_BF533) \ + || defined(CONFIG_SPI_ADC_BF533_MODULE) + { + .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */ + .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* Framework chip select. */ + .platform_data = NULL, /* No spi_driver specific config */ + .controller_data = &spi_adc_chip_info, + }, +#endif + +#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE) + { + .modalias = "spi_mmc_dummy", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 0, + .platform_data = NULL, + .controller_data = &spi_mmc_chip_info, + .mode = SPI_MODE_3, + }, + { + .modalias = "spi_mmc", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = CONFIG_SPI_MMC_CS_CHAN, + .platform_data = NULL, + .controller_data = &spi_mmc_chip_info, + .mode = SPI_MODE_3, + }, +#endif +#if defined(CONFIG_PBX) + { + .modalias = "fxs-spi", + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 8 - CONFIG_J11_JUMPER, + .controller_data = &spi_si3xxx_chip_info, + .mode = SPI_MODE_3, + }, + { + .modalias = "fxo-spi", + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 8 - CONFIG_J19_JUMPER, + .controller_data = &spi_si3xxx_chip_info, + .mode = SPI_MODE_3, + }, +#endif +#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) + { + .modalias = "ad7877", + .platform_data = &bfin_ad7877_ts_info, + .irq = IRQ_PF8, + .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 2, + .controller_data = &spi_ad7877_chip_info, + }, +#endif +#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \ + && defined(CONFIG_SND_SOC_WM8731_SPI) + { + .modalias = "wm8731", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 5, + .controller_data = &spi_wm8731_chip_info, + .mode = SPI_MODE_0, + }, +#endif +#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) + { + .modalias = "spidev", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spidev_chip_info, + }, +#endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + { + .modalias = "bfin-lq035q1-spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &lq035q1_spi_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif +}; + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) +/* SPI controller data */ +static struct bfin5xx_spi_master bfin_spi0_info = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, +}; + +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &bfin_spi0_info, /* Passed to driver */ + }, +}; +#endif /* spi master and devices */ + +#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) +static struct resource bfin_uart_resources[] = { +#ifdef CONFIG_SERIAL_BFIN_UART0 + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_SERIAL_BFIN_UART1 + { + .start = 0xFFC02000, + .end = 0xFFC020FF, + .flags = IORESOURCE_MEM, + }, +#endif +}; + +static struct platform_device bfin_uart_device = { + .name = "bfin-uart", + .id = 1, + .num_resources = ARRAY_SIZE(bfin_uart_resources), + .resource = bfin_uart_resources, +}; +#endif + +#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) +static struct resource bfin_sir_resources[] = { +#ifdef CONFIG_BFIN_SIR0 + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, +#endif +#ifdef CONFIG_BFIN_SIR1 + { + .start = 0xFFC02000, + .end = 0xFFC020FF, + .flags = IORESOURCE_MEM, + }, +#endif +}; + +static struct platform_device bfin_sir_device = { + .name = "bfin_sir", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_sir_resources), + .resource = bfin_sir_resources, +}; +#endif + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) +static struct resource bfin_twi0_resource[] = { + [0] = { + .start = TWI0_REGBASE, + .end = TWI0_REGBASE, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_TWI, + .end = IRQ_TWI, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device i2c_bfin_twi_device = { + .name = "i2c-bfin-twi", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_twi0_resource), + .resource = bfin_twi0_resource, +}; +#endif + +#ifdef CONFIG_I2C_BOARDINFO +static struct i2c_board_info __initdata bfin_i2c_board_info[] = { +#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE) + { + I2C_BOARD_INFO("pcf8574_lcd", 0x22), + }, +#endif +#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE) + { + I2C_BOARD_INFO("pcf8574_keypad", 0x27), + .irq = IRQ_PF8, + }, +#endif +}; +#endif + +#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) +static struct platform_device bfin_sport0_uart_device = { + .name = "bfin-sport-uart", + .id = 0, +}; + +static struct platform_device bfin_sport1_uart_device = { + .name = "bfin-sport-uart", + .id = 1, +}; +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +#include +#include + +static struct gpio_keys_button bfin_gpio_keys_table[] = { + {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"}, + {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"}, +}; + +static struct gpio_keys_platform_data bfin_gpio_keys_data = { + .buttons = bfin_gpio_keys_table, + .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table), +}; + +static struct platform_device bfin_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &bfin_gpio_keys_data, + }, +}; +#endif + +static struct resource bfin_gpios_resources = { + .start = 0, + .end = MAX_BLACKFIN_GPIOS - 1, + .flags = IORESOURCE_IRQ, +}; + +static struct platform_device bfin_gpios_device = { + .name = "simple-gpio", + .id = -1, + .num_resources = 1, + .resource = &bfin_gpios_resources, +}; + +static const unsigned int cclk_vlev_datasheet[] = +{ + VRPAIR(VLEV_100, 400000000), + VRPAIR(VLEV_105, 426000000), + VRPAIR(VLEV_110, 500000000), + VRPAIR(VLEV_115, 533000000), + VRPAIR(VLEV_120, 600000000), +}; + +static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { + .tuple_tab = cclk_vlev_datasheet, + .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), + .vr_settling_time = 25 /* us */, +}; + +static struct platform_device bfin_dpmc = { + .name = "bfin dpmc", + .dev = { + .platform_data = &bfin_dmpc_vreg_data, + }, +}; + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +#include + +static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { + .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, + .use_bl = 1, + .gpio_bl = GPIO_PG12, +}; + +static struct resource bfin_lq035q1_resources[] = { + { + .start = IRQ_PPI_ERROR, + .end = IRQ_PPI_ERROR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_lq035q1_device = { + .name = "bfin-lq035q1", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), + .resource = bfin_lq035q1_resources, + .dev = { + .platform_data = &bfin_lq035q1_data, + }, +}; +#endif + +static struct platform_device *stamp_devices[] __initdata = { + + &bfin_dpmc, + +#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) + &bf5xx_nand_device, +#endif + +#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) + &rtc_device, +#endif + +#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE) + &musb_device, +#endif + +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) + &bfin_mac_device, +#endif + +#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) + &bfin_spi0_device, +#endif + +#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) + &bfin_uart_device, +#endif + +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + &bfin_lq035q1_device, +#endif + +#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) + &bfin_sir_device, +#endif + +#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) + &i2c_bfin_twi_device, +#endif + +#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) + &bfin_sport0_uart_device, + &bfin_sport1_uart_device, +#endif + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) + &bfin_device_gpiokeys, +#endif + +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) + &ezbrd_flash_device, +#endif + + &bfin_gpios_device, +}; + +static int __init stamp_init(void) +{ + printk(KERN_INFO "%s(): registering device resources\n", __func__); + +#ifdef CONFIG_I2C_BOARDINFO + i2c_register_board_info(0, bfin_i2c_board_info, + ARRAY_SIZE(bfin_i2c_board_info)); +#endif + + platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices)); + spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); + return 0; +} + +arch_initcall(stamp_init); + +void native_machine_restart(char *cmd) +{ + /* workaround reboot hang when booting from SPI */ + if ((bfin_read_SYSCR() & 0x7) == 0x3) + bfin_gpio_reset_spi0_ssel1(); +} + +void bfin_get_ether_addr(char *addr) +{ + /* the MAC is stored in OTP memory page 0xDF */ + u32 ret; + u64 otp_mac; + u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A; + + ret = otp_read(0xDF, 0x00, &otp_mac); + if (!(ret & 0x1)) { + char *otp_mac_p = (char *)&otp_mac; + for (ret = 0; ret < 6; ++ret) + addr[ret] = otp_mac_p[5 - ret]; + } +} +EXPORT_SYMBOL(bfin_get_ether_addr); -- cgit v1.2.3 From 1ffb9bef23d283e0e94c73e6683a6591ba3b0888 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 7 Oct 2008 16:06:27 +0800 Subject: Blackfin arch: add note about newer ezkits using PB4 for AD7877 instead of PJ11 Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/boards/ezkit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index d22515d080a0..628f21889e22 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -559,7 +559,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { { .modalias = "ad7877", .platform_data = &bfin_ad7877_ts_info, - .irq = IRQ_PJ11, + .irq = IRQ_PJ11, /* newer boards (Rev 1.4+) use IRQ_PB4 */ .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 2, -- cgit v1.2.3 From f4585a08479a730fb809606b8ee327a5398c117c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 13 Oct 2008 14:45:21 +0800 Subject: Blackfin arch: only include asm/cplb.h when it is truly used Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cacheflush.h | 2 -- arch/blackfin/kernel/traps.c | 1 + arch/blackfin/mach-bf527/boards/cm_bf527.c | 3 +-- arch/blackfin/mach-bf527/boards/ezkit.c | 3 +-- arch/blackfin/mach-bf548/boards/cm_bf548.c | 7 +++---- arch/blackfin/mach-bf548/boards/ezkit.c | 3 +-- 6 files changed, 7 insertions(+), 12 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h index d81a77545a04..5ef9e35e9c3b 100644 --- a/arch/blackfin/include/asm/cacheflush.h +++ b/arch/blackfin/include/asm/cacheflush.h @@ -30,8 +30,6 @@ #ifndef _BLACKFIN_CACHEFLUSH_H #define _BLACKFIN_CACHEFLUSH_H -#include - extern void blackfin_icache_dcache_flush_range(unsigned int, unsigned int); extern void blackfin_icache_flush_range(unsigned int, unsigned int); extern void blackfin_dcache_flush_range(unsigned int, unsigned int); diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 9a9d5083acfd..fd24e04fc19e 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -34,6 +34,7 @@ #include #include #include +#include #include #include #include diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c index 986483fb69fa..9ea440bbb13d 100644 --- a/arch/blackfin/mach-bf527/boards/cm_bf527.c +++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c @@ -44,7 +44,6 @@ #include #include #include -#include #include #include #include @@ -209,7 +208,7 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index a756934482cf..04a8d6da9055 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -43,7 +43,6 @@ #include #include #include -#include #include #include #include @@ -226,7 +225,7 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index 36f56f9ffd05..c5609ff805f8 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -38,7 +38,6 @@ #include #include #include -#include #include #include #include @@ -329,12 +328,12 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", - .offset = 4 * SIZE_1M, - .size = (256 - 4) * SIZE_1M, + .offset = 4 * 1024 * 1024, + .size = (256 - 4) * 1024 * 1024, }, }; diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 628f21889e22..397ddf6b8106 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -40,7 +40,6 @@ #include #include #include -#include #include #include #include @@ -375,7 +374,7 @@ static struct mtd_partition partition_info[] = { { .name = "linux kernel(nand)", .offset = 0, - .size = 4 * SIZE_1M, + .size = 4 * 1024 * 1024, }, { .name = "file system(nand)", -- cgit v1.2.3 From 0c7a6b2135c1bcb5139ca9ca87f292caafcb9410 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Wed, 8 Oct 2008 16:27:12 +0800 Subject: Blackfin arch: add supporting for double fault debug handling Signed-off-by: Robin Getz Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig.debug | 38 ++++++++ arch/blackfin/kernel/setup.c | 30 ++++-- arch/blackfin/kernel/traps.c | 34 ++++++- arch/blackfin/mach-common/entry.S | 189 ++++++++++++++++++++++++++------------ arch/blackfin/mach-common/head.S | 40 +++++++- 5 files changed, 255 insertions(+), 76 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index c468624d55f0..0afa89818722 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -22,6 +22,44 @@ config DEBUG_HWERR hardware error interrupts and need to know where they are coming from. +config DEBUG_DOUBLEFAULT + bool "Debug Double Faults" + default n + help + If an exception is caused while executing code within the exception + handler, the NMI handler, the reset vector, or in emulator mode, + a double fault occurs. On the Blackfin, this is a unrecoverable + event. You have two options: + - RESET exactly when double fault occurs. The excepting + instruction address is stored in RETX, where the next kernel + boot will print it out. + - Print debug message. This is much more error prone, although + easier to handle. It is error prone since: + - The excepting instruction is not committed. + - All writebacks from the instruction are prevented. + - The generated exception is not taken. + - The EXCAUSE field is updated with an unrecoverable event + The only way to check this is to see if EXCAUSE contains the + unrecoverable event value at every exception return. By selecting + this option, you are skipping over the faulting instruction, and + hoping things stay together enough to print out a debug message. + + This does add a little kernel code, but is the only method to debug + double faults - if unsure say "Y" + +choice + prompt "Double Fault Failure Method" + default DEBUG_DOUBLEFAULT_PRINT + depends on DEBUG_DOUBLEFAULT + +config DEBUG_DOUBLEFAULT_PRINT + bool "Print" + +config DEBUG_DOUBLEFAULT_RESET + bool "Reset" + +endchoice + config DEBUG_ICACHE_CHECK bool "Check Instruction cache coherency" depends on DEBUG_KERNEL diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 7a82d10b4ebf..8e639dc886a3 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -52,7 +52,8 @@ EXPORT_SYMBOL(mtd_size); #endif char __initdata command_line[COMMAND_LINE_SIZE]; -unsigned int __initdata *__retx; +void __initdata *init_retx, *init_saved_retx, *init_saved_seqstat, + *init_saved_icplb_fault_addr, *init_saved_dcplb_fault_addr; /* boot memmap, for parsing "memmap=" */ #define BFIN_MEMMAP_MAX 128 /* number of entries in bfin_memmap */ @@ -782,16 +783,25 @@ void __init setup_arch(char **cmdline_p) _bfin_swrst = bfin_read_SWRST(); - /* If we double fault, reset the system - otherwise we hang forever */ - bfin_write_SWRST(DOUBLE_FAULT); +#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT + bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT); +#endif +#ifdef CONFIG_DEBUG_DOUBLEFAULT_RESET + bfin_write_SWRST(_bfin_swrst | DOUBLE_FAULT); +#endif - if (_bfin_swrst & RESET_DOUBLE) - /* - * don't decode the address, since you don't know if this - * kernel's symbol map is the same as the crashing kernel - */ - printk(KERN_INFO "Recovering from Double Fault event at %pF\n", __retx); - else if (_bfin_swrst & RESET_WDOG) + if (_bfin_swrst & RESET_DOUBLE) { + printk(KERN_EMERG "Recovering from DOUBLE FAULT event\n"); +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* We assume the crashing kernel, and the current symbol table match */ + printk(KERN_EMERG " While handling exception (EXCAUSE = 0x%x) at %pF\n", + (int)init_saved_seqstat & SEQSTAT_EXCAUSE, init_saved_retx); + printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %pF\n", init_saved_dcplb_fault_addr); + printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %pF\n", init_saved_icplb_fault_addr); +#endif + printk(KERN_NOTICE " The instruction at %pF caused a double exception\n", + init_retx); + } else if (_bfin_swrst & RESET_WDOG) printk(KERN_INFO "Recovering from Watchdog event\n"); else if (_bfin_swrst & RESET_SOFTWARE) printk(KERN_NOTICE "Reset caused by Software reset\n"); diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index fd24e04fc19e..bd41fca315dd 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -68,7 +68,15 @@ void __init trap_init(void) CSYNC(); } -unsigned long saved_icplb_fault_addr, saved_dcplb_fault_addr; +/* + * Used to save the RETX, SEQSTAT, I/D CPLB FAULT ADDR + * values across the transition from exception to IRQ5. + * We put these in L1, so they are going to be in a valid + * location during exception context + */ +__attribute__((l1_data)) +unsigned long saved_retx, saved_seqstat, + saved_icplb_fault_addr, saved_dcplb_fault_addr; static void decode_address(char *buf, unsigned long address) { @@ -186,9 +194,27 @@ asmlinkage void double_fault_c(struct pt_regs *fp) console_verbose(); oops_in_progress = 1; printk(KERN_EMERG "\n" KERN_EMERG "Double Fault\n"); - dump_bfin_process(fp); - dump_bfin_mem(fp); - show_regs(fp); +#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT + if (((long)fp->seqstat & SEQSTAT_EXCAUSE) == VEC_UNCOV) { + char buf[150]; + decode_address(buf, saved_retx); + printk(KERN_EMERG "While handling exception (EXCAUSE = 0x%x) at %s:\n", + (int)saved_seqstat & SEQSTAT_EXCAUSE, buf); + decode_address(buf, saved_dcplb_fault_addr); + printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %s\n", buf); + decode_address(buf, saved_icplb_fault_addr); + printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %s\n", buf); + + decode_address(buf, fp->retx); + printk(KERN_NOTICE "The instruction at %s caused a double exception\n", + buf); + } else +#endif + { + dump_bfin_process(fp); + dump_bfin_mem(fp); + show_regs(fp); + } panic("Double Fault - unrecoverable event\n"); } diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 847c172a99eb..90c7397036ed 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -129,6 +129,18 @@ ENTRY(_ex_icplb_miss) #else call __cplb_hdr; #endif + +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* While we were processing this, did we double fault? */ + r7 = SEQSTAT; /* reason code is in bit 5:0 */ + r6.l = lo(SEQSTAT_EXCAUSE); + r6.h = hi(SEQSTAT_EXCAUSE); + r7 = r7 & r6; + r6 = 0x25; + CC = R7 == R6; + if CC JUMP _double_fault; +#endif + DEBUG_HWTRACE_RESTORE(p5, r7) RESTORE_ALL_SYS SP = EX_SCRATCH_REG; @@ -136,11 +148,8 @@ ENTRY(_ex_icplb_miss) ENDPROC(_ex_icplb_miss) ENTRY(_ex_syscall) - (R7:6,P5:4) = [sp++]; - ASTAT = [sp++]; raise 15; /* invoked by TRAP #0, for sys call */ - sp = EX_SCRATCH_REG; - rtx + jump.s _bfin_return_from_exception; ENDPROC(_ex_syscall) ENTRY(_ex_soft_bp) @@ -250,6 +259,29 @@ ENTRY(_bfin_return_from_exception) R7=LC1; LC1=R7; #endif + +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* While we were processing the current exception, + * did we cause another, and double fault? + */ + r7 = SEQSTAT; /* reason code is in bit 5:0 */ + r6.l = lo(SEQSTAT_EXCAUSE); + r6.h = hi(SEQSTAT_EXCAUSE); + r7 = r7 & r6; + r6 = 0x25; + CC = R7 == R6; + if CC JUMP _double_fault; + + /* Did we cause a HW error? */ + p5.l = lo(ILAT); + p5.h = hi(ILAT); + r6 = [p5]; + r7 = 0x20; /* Did I just cause anther HW error? */ + r7 = r7 & r1; + CC = R7 == R6; + if CC JUMP _double_fault; +#endif + (R7:6,P5:4) = [sp++]; ASTAT = [sp++]; sp = EX_SCRATCH_REG; @@ -292,6 +324,14 @@ ENTRY(_ex_trap_c) [p4] = p5; csync; +#ifndef CONFIG_DEBUG_DOUBLEFAULT + /* + * Save these registers, as they are only valid in exception context + * (where we are now - as soon as we defer to IRQ5, they can change) + * DCPLB_STATUS and ICPLB_STATUS are also only valid in EVT3, + * but they are not very interesting, so don't save them + */ + p4.l = lo(DCPLB_FAULT_ADDR); p4.h = hi(DCPLB_FAULT_ADDR); r7 = [p4]; @@ -304,12 +344,11 @@ ENTRY(_ex_trap_c) p5.l = _saved_icplb_fault_addr; [p5] = r7; - p4.l = _excpt_saved_stuff; - p4.h = _excpt_saved_stuff; - r6 = retx; + p4.l = _saved_retx; + p4.h = _saved_retx; [p4] = r6; - +#endif r6 = SYSCFG; [p4 + 4] = r6; BITCLR(r6, 0); @@ -327,59 +366,56 @@ ENTRY(_ex_trap_c) r6 = 0x3f; sti r6; - (R7:6,P5:4) = [sp++]; - ASTAT = [sp++]; - SP = EX_SCRATCH_REG; raise 5; - rtx; + jump.s _bfin_return_from_exception; ENDPROC(_ex_trap_c) /* We just realized we got an exception, while we were processing a different * exception. This is a unrecoverable event, so crash */ ENTRY(_double_fault) - /* Turn caches & protection off, to ensure we don't get any more - * double exceptions - */ - - P4.L = LO(IMEM_CONTROL); - P4.H = HI(IMEM_CONTROL); - - R5 = [P4]; /* Control Register*/ - BITCLR(R5,ENICPLB_P); - SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ - .align 8; - [P4] = R5; - SSYNC; - - P4.L = LO(DMEM_CONTROL); - P4.H = HI(DMEM_CONTROL); - R5 = [P4]; - BITCLR(R5,ENDCPLB_P); - SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ - .align 8; - [P4] = R5; - SSYNC; - - /* Fix up the stack */ - (R7:6,P5:4) = [sp++]; - ASTAT = [sp++]; - SP = EX_SCRATCH_REG; - - /* We should be out of the exception stack, and back down into - * kernel or user space stack - */ - SAVE_ALL_SYS + /* Turn caches & protection off, to ensure we don't get any more + * double exceptions + */ + + P4.L = LO(IMEM_CONTROL); + P4.H = HI(IMEM_CONTROL); + + R5 = [P4]; /* Control Register*/ + BITCLR(R5,ENICPLB_P); + SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ + .align 8; + [P4] = R5; + SSYNC; + + P4.L = LO(DMEM_CONTROL); + P4.H = HI(DMEM_CONTROL); + R5 = [P4]; + BITCLR(R5,ENDCPLB_P); + SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ + .align 8; + [P4] = R5; + SSYNC; + + /* Fix up the stack */ + (R7:6,P5:4) = [sp++]; + ASTAT = [sp++]; + SP = EX_SCRATCH_REG; + + /* We should be out of the exception stack, and back down into + * kernel or user space stack + */ + SAVE_ALL_SYS /* The dumping functions expect the return address in the RETI * slot. */ r6 = retx; [sp + PT_PC] = r6; - r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ - SP += -12; - call _double_fault_c; - SP += 12; + r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ + SP += -12; + call _double_fault_c; + SP += 12; .L_double_fault_panic: JUMP .L_double_fault_panic @@ -388,8 +424,8 @@ ENDPROC(_double_fault) ENTRY(_exception_to_level5) SAVE_ALL_SYS - p4.l = _excpt_saved_stuff; - p4.h = _excpt_saved_stuff; + p4.l = _saved_retx; + p4.h = _saved_retx; r6 = [p4]; [sp + PT_PC] = r6; @@ -420,6 +456,17 @@ ENTRY(_exception_to_level5) call _trap_c; SP += 12; +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* Grab ILAT */ + p2.l = lo(ILAT); + p2.h = hi(ILAT); + r0 = [p2]; + r1 = 0x20; /* Did I just cause anther HW error? */ + r0 = r0 & r1; + CC = R0 == R1; + if CC JUMP _double_fault; +#endif + call _ret_from_exception; RESTORE_ALL_SYS rti; @@ -436,7 +483,39 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/ /* Try to deal with syscalls quickly. */ [--sp] = ASTAT; [--sp] = (R7:6,P5:4); + +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* + * Save these registers, as they are only valid in exception context + * (where we are now - as soon as we defer to IRQ5, they can change) + * DCPLB_STATUS and ICPLB_STATUS are also only valid in EVT3, + * but they are not very interesting, so don't save them + */ + + p4.l = lo(DCPLB_FAULT_ADDR); + p4.h = hi(DCPLB_FAULT_ADDR); + r7 = [p4]; + p5.h = _saved_dcplb_fault_addr; + p5.l = _saved_dcplb_fault_addr; + [p5] = r7; + + r7 = [p4 + (ICPLB_FAULT_ADDR - DCPLB_FAULT_ADDR)]; + p5.h = _saved_icplb_fault_addr; + p5.l = _saved_icplb_fault_addr; + [p5] = r7; + + p4.l = _saved_retx; + p4.h = _saved_retx; + r6 = retx; + [p4] = r6; + r7 = SEQSTAT; /* reason code is in bit 5:0 */ + p4.l = _saved_seqstat; + p4.h = _saved_seqstat; + [p4] = r7; +#else + r7 = SEQSTAT; /* reason code is in bit 5:0 */ +#endif r6.l = lo(SEQSTAT_EXCAUSE); r6.h = hi(SEQSTAT_EXCAUSE); r7 = r7 & r6; @@ -1432,15 +1511,7 @@ ENTRY(_sys_call_table) .rept NR_syscalls-(.-_sys_call_table)/4 .long _sys_ni_syscall .endr - - /* - * Used to save the real RETX, IMASK and SYSCFG when temporarily - * storing safe values across the transition from exception to IRQ5. - */ -_excpt_saved_stuff: - .long 0; - .long 0; - .long 0; +END(_sys_call_table) _exception_stack: .rept 1024 diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index 191b4e974c4b..7cb21cfcbf28 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -90,12 +90,46 @@ ENTRY(__start) [p0] = R0; SSYNC; - /* Save RETX, in case of doublefault */ - p0.l = ___retx; - p0.h = ___retx; + /* in case of double faults, save a few things */ + p0.l = _init_retx; + p0.h = _init_retx; R0 = RETX; [P0] = R0; +#ifdef CONFIG_DEBUG_DOUBLEFAULT + /* Only save these if we are storing them, + * This happens here, since L1 gets clobbered + * below + */ + p0.l = _saved_retx; + p0.h = _saved_retx; + p1.l = _init_saved_retx; + p1.h = _init_saved_retx; + r0 = [p0]; + [p1] = r0; + + p0.l = _saved_dcplb_fault_addr; + p0.h = _saved_dcplb_fault_addr; + p1.l = _init_saved_dcplb_fault_addr; + p1.h = _init_saved_dcplb_fault_addr; + r0 = [p0]; + [p1] = r0; + + p0.l = _saved_icplb_fault_addr; + p0.h = _saved_icplb_fault_addr; + p1.l = _init_saved_icplb_fault_addr; + p1.h = _init_saved_icplb_fault_addr; + r0 = [p0]; + [p1] = r0; + + p0.l = _saved_seqstat; + p0.h = _saved_seqstat; + p1.l = _init_saved_seqstat; + p1.h = _init_saved_seqstat; + r0 = [p0]; + [p1] = r0; +#endif + /* Initialize stack pointer */ sp.l = lo(INITIAL_STACK); sp.h = hi(INITIAL_STACK); -- cgit v1.2.3 From 5d2e321306f82550e6d354b3210a18b86bdb13c1 Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Tue, 7 Oct 2008 16:27:01 +0800 Subject: Blackfin arch: fixing bug - under IRQ stress, running applications may wrongly trigger an ICPLB miss and be killed Disable IRQs while frobbing the CPLB registers, to avoid accessing the data in current_rwx_mask while it isn't covered by CPLBs. Signed-off-by: Bernd Schmidt Signed-off-by: Bryan Wu --- arch/blackfin/kernel/cplb-mpu/cplbmgr.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c index 99f2831e2964..5094677fd09e 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c @@ -322,9 +322,11 @@ int cplb_hdr(int seqstat, struct pt_regs *regs) void flush_switched_cplbs(void) { int i; + unsigned long flags; nr_cplb_flush++; + local_irq_save(flags); disable_icplb(); for (i = first_switched_icplb; i < MAX_CPLBS; i++) { icplb_tbl[i].data = 0; @@ -338,6 +340,8 @@ void flush_switched_cplbs(void) bfin_write32(DCPLB_DATA0 + i * 4, 0); } enable_dcplb(); + local_irq_restore(flags); + } void set_mask_dcplbs(unsigned long *masks) @@ -345,10 +349,15 @@ void set_mask_dcplbs(unsigned long *masks) int i; unsigned long addr = (unsigned long)masks; unsigned long d_data; - current_rwx_mask = masks; + unsigned long flags; - if (!masks) + if (!masks) { + current_rwx_mask = masks; return; + } + + local_irq_save(flags); + current_rwx_mask = masks; d_data = CPLB_SUPV_WR | CPLB_VALID | CPLB_DIRTY | PAGE_SIZE_4KB; #ifdef CONFIG_BFIN_DCACHE @@ -367,4 +376,5 @@ void set_mask_dcplbs(unsigned long *masks) addr += PAGE_SIZE; } enable_dcplb(); + local_irq_restore(flags); } -- cgit v1.2.3 From a5ac0129249611fc4a35e6d7cd9b8462d67e5798 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Mon, 13 Oct 2008 14:07:19 +0800 Subject: Blackfin arch: add supporting for kgdb Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig.debug | 3 + arch/blackfin/include/asm/kgdb.h | 21 +- arch/blackfin/kernel/kgdb.c | 711 ++++++++++++++++++------ arch/blackfin/kernel/traps.c | 35 +- arch/blackfin/mach-bf561/include/mach/mem_map.h | 18 +- arch/blackfin/mach-common/entry.S | 9 +- arch/blackfin/mach-common/ints-priority.c | 4 - 7 files changed, 606 insertions(+), 195 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 0afa89818722..2cb0a3080d79 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -2,6 +2,9 @@ menu "Kernel hacking" source "lib/Kconfig.debug" +config HAVE_ARCH_KGDB + def_bool y + config DEBUG_MMRS bool "Generate Blackfin MMR tree" select DEBUG_FS diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h index 0f73847fd6bc..26ebac6646d8 100644 --- a/arch/blackfin/include/asm/kgdb.h +++ b/arch/blackfin/include/asm/kgdb.h @@ -124,9 +124,16 @@ enum regnames { /* Number of bytes of registers. */ #define NUMREGBYTES BFIN_NUM_REGS*4 -#define BREAKPOINT() asm(" EXCPT 2;"); -#define BREAK_INSTR_SIZE 2 -#define HW_BREAKPOINT_NUM 6 +static inline void arch_kgdb_breakpoint(void) +{ + asm(" EXCPT 2;"); +} +#define BREAK_INSTR_SIZE 2 +#define CACHE_FLUSH_IS_SAFE 1 +#define HW_INST_WATCHPOINT_NUM 6 +#define HW_WATCHPOINT_NUM 8 +#define TYPE_INST_WATCHPOINT 0 +#define TYPE_DATA_WATCHPOINT 1 /* Instruction watchpoint address control register bits mask */ #define WPPWR 0x1 @@ -163,10 +170,11 @@ enum regnames { #define WPDAEN1 0x8 #define WPDCNTEN0 0x10 #define WPDCNTEN1 0x20 + #define WPDSRC0 0xc0 -#define WPDACC0 0x300 +#define WPDACC0_OFFSET 8 #define WPDSRC1 0xc00 -#define WPDACC1 0x3000 +#define WPDACC1_OFFSET 12 /* Watchpoint status register bits mask */ #define STATIA0 0x1 @@ -178,7 +186,4 @@ enum regnames { #define STATDA0 0x40 #define STATDA1 0x80 -extern void kgdb_print(const char *fmt, ...); -extern void init_kgdb_uart(void); - #endif diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c index a1f9641a6425..b795a207742c 100644 --- a/arch/blackfin/kernel/kgdb.c +++ b/arch/blackfin/kernel/kgdb.c @@ -1,32 +1,9 @@ /* - * File: arch/blackfin/kernel/kgdb.c - * Based on: - * Author: Sonic Zhang + * arch/blackfin/kernel/kgdb.c - Blackfin kgdb pieces * - * Created: - * Description: + * Copyright 2005-2008 Analog Devices Inc. * - * Rev: $Id: kgdb_bfin_linux-2.6.x.patch 4934 2007-02-13 09:32:11Z sonicz $ - * - * Modified: - * Copyright 2005-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #include @@ -39,24 +16,29 @@ #include #include #include -#include #include #include +#include #include #include #include +#include /* Put the error code here just in case the user cares. */ -int gdb_bf533errcode; +int gdb_bfin_errcode; /* Likewise, the vector number here (since GDB only gets the signal number through the usual means, and that's not very specific). */ -int gdb_bf533vector = -1; +int gdb_bfin_vector = -1; #if KGDB_MAX_NO_CPUS != 8 #error change the definition of slavecpulocks #endif -void regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) +#ifdef CONFIG_BFIN_WDT +# error "Please unselect blackfin watchdog driver before build KGDB." +#endif + +void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs) { gdb_regs[BFIN_R0] = regs->r0; gdb_regs[BFIN_R1] = regs->r1; @@ -133,7 +115,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p) gdb_regs[BFIN_SEQSTAT] = p->thread.seqstat; } -void gdb_regs_to_regs(unsigned long *gdb_regs, struct pt_regs *regs) +void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) { regs->r0 = gdb_regs[BFIN_R0]; regs->r1 = gdb_regs[BFIN_R1]; @@ -199,171 +181,208 @@ struct hw_breakpoint { unsigned int dataacc:2; unsigned short count; unsigned int addr; -} breakinfo[HW_BREAKPOINT_NUM]; +} breakinfo[HW_WATCHPOINT_NUM]; -int kgdb_arch_init(void) -{ - debugger_step = 0; - - kgdb_remove_all_hw_break(); - return 0; -} - -int kgdb_set_hw_break(unsigned long addr) +int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type) { int breakno; - for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) - if (!breakinfo[breakno].occupied) { + int bfin_type; + int dataacc = 0; + + switch (type) { + case BP_HARDWARE_BREAKPOINT: + bfin_type = TYPE_INST_WATCHPOINT; + break; + case BP_WRITE_WATCHPOINT: + dataacc = 1; + bfin_type = TYPE_DATA_WATCHPOINT; + break; + case BP_READ_WATCHPOINT: + dataacc = 2; + bfin_type = TYPE_DATA_WATCHPOINT; + break; + case BP_ACCESS_WATCHPOINT: + dataacc = 3; + bfin_type = TYPE_DATA_WATCHPOINT; + break; + default: + return -ENOSPC; + } + + /* Becasue hardware data watchpoint impelemented in current + * Blackfin can not trigger an exception event as the hardware + * instrction watchpoint does, we ignaore all data watch point here. + * They can be turned on easily after future blackfin design + * supports this feature. + */ + for (breakno = 0; breakno < HW_INST_WATCHPOINT_NUM; breakno++) + if (bfin_type == breakinfo[breakno].type + && !breakinfo[breakno].occupied) { breakinfo[breakno].occupied = 1; breakinfo[breakno].enabled = 1; - breakinfo[breakno].type = 1; breakinfo[breakno].addr = addr; + breakinfo[breakno].dataacc = dataacc; + breakinfo[breakno].count = 0; return 0; } return -ENOSPC; } -int kgdb_remove_hw_break(unsigned long addr) +int bfin_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype type) { int breakno; - for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) - if (breakinfo[breakno].addr == addr) - memset(&(breakinfo[breakno]), 0, sizeof(struct hw_breakpoint)); + int bfin_type; + + switch (type) { + case BP_HARDWARE_BREAKPOINT: + bfin_type = TYPE_INST_WATCHPOINT; + break; + case BP_WRITE_WATCHPOINT: + case BP_READ_WATCHPOINT: + case BP_ACCESS_WATCHPOINT: + bfin_type = TYPE_DATA_WATCHPOINT; + break; + default: + return 0; + } + for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) + if (bfin_type == breakinfo[breakno].type + && breakinfo[breakno].occupied + && breakinfo[breakno].addr == addr) { + breakinfo[breakno].occupied = 0; + breakinfo[breakno].enabled = 0; + } return 0; } -void kgdb_remove_all_hw_break(void) +void bfin_remove_all_hw_break(void) { - memset(breakinfo, 0, sizeof(struct hw_breakpoint)*8); -} + int breakno; -/* -void kgdb_show_info(void) -{ - printk(KERN_DEBUG "hwd: wpia0=0x%x, wpiacnt0=%d, wpiactl=0x%x, wpstat=0x%x\n", - bfin_read_WPIA0(), bfin_read_WPIACNT0(), - bfin_read_WPIACTL(), bfin_read_WPSTAT()); + memset(breakinfo, 0, sizeof(struct hw_breakpoint)*HW_WATCHPOINT_NUM); + + for (breakno = 0; breakno < HW_INST_WATCHPOINT_NUM; breakno++) + breakinfo[breakno].type = TYPE_INST_WATCHPOINT; + for (; breakno < HW_WATCHPOINT_NUM; breakno++) + breakinfo[breakno].type = TYPE_DATA_WATCHPOINT; } -*/ -void kgdb_correct_hw_break(void) +void bfin_correct_hw_break(void) { int breakno; - int correctit; - uint32_t wpdactl = bfin_read_WPDACTL(); + unsigned int wpiactl = 0; + unsigned int wpdactl = 0; + int enable_wp = 0; + + for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) + if (breakinfo[breakno].enabled) { + enable_wp = 1; - correctit = 0; - for (breakno = 0; breakno < HW_BREAKPOINT_NUM; breakno++) { - if (breakinfo[breakno].type == 1) { switch (breakno) { case 0: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN0)) { - correctit = 1; - wpdactl &= ~(WPIREN01|EMUSW0); - wpdactl |= WPIAEN0|WPICNTEN0; - bfin_write_WPIA0(breakinfo[breakno].addr); - bfin_write_WPIACNT0(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN0)) { - correctit = 1; - wpdactl &= ~WPIAEN0; - } + wpiactl |= WPIAEN0|WPICNTEN0; + bfin_write_WPIA0(breakinfo[breakno].addr); + bfin_write_WPIACNT0(breakinfo[breakno].count + + breakinfo->skip); break; - case 1: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN1)) { - correctit = 1; - wpdactl &= ~(WPIREN01|EMUSW1); - wpdactl |= WPIAEN1|WPICNTEN1; - bfin_write_WPIA1(breakinfo[breakno].addr); - bfin_write_WPIACNT1(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN1)) { - correctit = 1; - wpdactl &= ~WPIAEN1; - } + wpiactl |= WPIAEN1|WPICNTEN1; + bfin_write_WPIA1(breakinfo[breakno].addr); + bfin_write_WPIACNT1(breakinfo[breakno].count + + breakinfo->skip); break; - case 2: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN2)) { - correctit = 1; - wpdactl &= ~(WPIREN23|EMUSW2); - wpdactl |= WPIAEN2|WPICNTEN2; - bfin_write_WPIA2(breakinfo[breakno].addr); - bfin_write_WPIACNT2(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN2)) { - correctit = 1; - wpdactl &= ~WPIAEN2; - } + wpiactl |= WPIAEN2|WPICNTEN2; + bfin_write_WPIA2(breakinfo[breakno].addr); + bfin_write_WPIACNT2(breakinfo[breakno].count + + breakinfo->skip); break; - case 3: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN3)) { - correctit = 1; - wpdactl &= ~(WPIREN23|EMUSW3); - wpdactl |= WPIAEN3|WPICNTEN3; - bfin_write_WPIA3(breakinfo[breakno].addr); - bfin_write_WPIACNT3(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN3)) { - correctit = 1; - wpdactl &= ~WPIAEN3; - } + wpiactl |= WPIAEN3|WPICNTEN3; + bfin_write_WPIA3(breakinfo[breakno].addr); + bfin_write_WPIACNT3(breakinfo[breakno].count + + breakinfo->skip); break; case 4: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN4)) { - correctit = 1; - wpdactl &= ~(WPIREN45|EMUSW4); - wpdactl |= WPIAEN4|WPICNTEN4; - bfin_write_WPIA4(breakinfo[breakno].addr); - bfin_write_WPIACNT4(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN4)) { - correctit = 1; - wpdactl &= ~WPIAEN4; - } + wpiactl |= WPIAEN4|WPICNTEN4; + bfin_write_WPIA4(breakinfo[breakno].addr); + bfin_write_WPIACNT4(breakinfo[breakno].count + + breakinfo->skip); break; case 5: - if (breakinfo[breakno].enabled && !(wpdactl & WPIAEN5)) { - correctit = 1; - wpdactl &= ~(WPIREN45|EMUSW5); - wpdactl |= WPIAEN5|WPICNTEN5; - bfin_write_WPIA5(breakinfo[breakno].addr); - bfin_write_WPIACNT5(breakinfo[breakno].skip); - } else if (!breakinfo[breakno].enabled && (wpdactl & WPIAEN5)) { - correctit = 1; - wpdactl &= ~WPIAEN5; - } + wpiactl |= WPIAEN5|WPICNTEN5; + bfin_write_WPIA5(breakinfo[breakno].addr); + bfin_write_WPIACNT5(breakinfo[breakno].count + + breakinfo->skip); + break; + case 6: + wpdactl |= WPDAEN0|WPDCNTEN0|WPDSRC0; + wpdactl |= breakinfo[breakno].dataacc + << WPDACC0_OFFSET; + bfin_write_WPDA0(breakinfo[breakno].addr); + bfin_write_WPDACNT0(breakinfo[breakno].count + + breakinfo->skip); + break; + case 7: + wpdactl |= WPDAEN1|WPDCNTEN1|WPDSRC1; + wpdactl |= breakinfo[breakno].dataacc + << WPDACC1_OFFSET; + bfin_write_WPDA1(breakinfo[breakno].addr); + bfin_write_WPDACNT1(breakinfo[breakno].count + + breakinfo->skip); break; } } - } - if (correctit) { - wpdactl &= ~WPAND; - wpdactl |= WPPWR; - /*printk("correct_hw_break: wpdactl=0x%x\n", wpdactl);*/ + + /* Should enable WPPWR bit first before set any other + * WPIACTL and WPDACTL bits */ + if (enable_wp) { + bfin_write_WPIACTL(WPPWR); + CSYNC(); + bfin_write_WPIACTL(wpiactl|WPPWR); bfin_write_WPDACTL(wpdactl); CSYNC(); - /*kgdb_show_info();*/ } } void kgdb_disable_hw_debug(struct pt_regs *regs) { /* Disable hardware debugging while we are in kgdb */ - bfin_write_WPIACTL(bfin_read_WPIACTL() & ~0x1); + bfin_write_WPIACTL(0); + bfin_write_WPDACTL(0); CSYNC(); } -void kgdb_post_master_code(struct pt_regs *regs, int eVector, int err_code) +#ifdef CONFIG_SMP +void kgdb_passive_cpu_callback(void *info) +{ + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); +} + +void kgdb_roundup_cpus(unsigned long flags) +{ + smp_call_function(kgdb_passive_cpu_callback, NULL, 0, 0); +} + +void kgdb_roundup_cpu(int cpu, unsigned long flags) +{ + smp_call_function_single(cpu, kgdb_passive_cpu_callback, NULL, 0, 0); +} +#endif + +void kgdb_post_primary_code(struct pt_regs *regs, int eVector, int err_code) { /* Master processor is completely in the debugger */ - gdb_bf533vector = eVector; - gdb_bf533errcode = err_code; + gdb_bfin_vector = eVector; + gdb_bfin_errcode = err_code; } -int kgdb_arch_handle_exception(int exceptionVector, int signo, +int kgdb_arch_handle_exception(int vector, int signo, int err_code, char *remcom_in_buffer, char *remcom_out_buffer, - struct pt_regs *linux_regs) + struct pt_regs *regs) { long addr; long breakno; @@ -385,44 +404,40 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo, /* try to read optional parameter, pc unchanged if no parm */ ptr = &remcom_in_buffer[1]; if (kgdb_hex2long(&ptr, &addr)) { - linux_regs->retx = addr; + regs->retx = addr; } - newPC = linux_regs->retx; + newPC = regs->retx; /* clear the trace bit */ - linux_regs->syscfg &= 0xfffffffe; + regs->syscfg &= 0xfffffffe; /* set the trace bit if we're stepping */ if (remcom_in_buffer[0] == 's') { - linux_regs->syscfg |= 0x1; - debugger_step = linux_regs->ipend; - debugger_step >>= 6; - for (i = 10; i > 0; i--, debugger_step >>= 1) - if (debugger_step & 1) + regs->syscfg |= 0x1; + kgdb_single_step = regs->ipend; + kgdb_single_step >>= 6; + for (i = 10; i > 0; i--, kgdb_single_step >>= 1) + if (kgdb_single_step & 1) break; /* i indicate event priority of current stopped instruction * user space instruction is 0, IVG15 is 1, IVTMR is 10. - * debugger_step > 0 means in single step mode + * kgdb_single_step > 0 means in single step mode */ - debugger_step = i + 1; - } else { - debugger_step = 0; + kgdb_single_step = i + 1; } - wp_status = bfin_read_WPSTAT(); - CSYNC(); - - if (exceptionVector == VEC_WATCH) { - for (breakno = 0; breakno < 6; ++breakno) { + if (vector == VEC_WATCH) { + wp_status = bfin_read_WPSTAT(); + for (breakno = 0; breakno < HW_WATCHPOINT_NUM; breakno++) { if (wp_status & (1 << breakno)) { breakinfo->skip = 1; break; } } + bfin_write_WPSTAT(0); } - kgdb_correct_hw_break(); - bfin_write_WPSTAT(0); + bfin_correct_hw_break(); return 0; } /* switch */ @@ -431,5 +446,385 @@ int kgdb_arch_handle_exception(int exceptionVector, int signo, struct kgdb_arch arch_kgdb_ops = { .gdb_bpt_instr = {0xa1}, +#ifdef CONFIG_SMP + .flags = KGDB_HW_BREAKPOINT|KGDB_THR_PROC_SWAP, +#else .flags = KGDB_HW_BREAKPOINT, +#endif + .set_hw_breakpoint = bfin_set_hw_break, + .remove_hw_breakpoint = bfin_remove_hw_break, + .remove_all_hw_break = bfin_remove_all_hw_break, + .correct_hw_break = bfin_correct_hw_break, }; + +static int hex(char ch) +{ + if ((ch >= 'a') && (ch <= 'f')) + return ch - 'a' + 10; + if ((ch >= '0') && (ch <= '9')) + return ch - '0'; + if ((ch >= 'A') && (ch <= 'F')) + return ch - 'A' + 10; + return -1; +} + +static int validate_memory_access_address(unsigned long addr, int size) +{ + int cpu = raw_smp_processor_id(); + + if (size < 0) + return EFAULT; + if (addr >= 0x1000 && (addr + size) <= physical_mem_end) + return 0; + if (addr >= SYSMMR_BASE) + return 0; + if (addr >= ASYNC_BANK0_BASE + && addr + size <= ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) + return 0; + if (cpu == 0) { + if (addr >= L1_SCRATCH_START + && (addr + size <= L1_SCRATCH_START + L1_SCRATCH_LENGTH)) + return 0; +#if L1_CODE_LENGTH != 0 + if (addr >= L1_CODE_START + && (addr + size <= L1_CODE_START + L1_CODE_LENGTH)) + return 0; +#endif +#if L1_DATA_A_LENGTH != 0 + if (addr >= L1_DATA_A_START + && (addr + size <= L1_DATA_A_START + L1_DATA_A_LENGTH)) + return 0; +#endif +#if L1_DATA_B_LENGTH != 0 + if (addr >= L1_DATA_B_START + && (addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH)) + return 0; +#endif +#ifdef CONFIG_SMP + } else if (cpu == 1) { + if (addr >= COREB_L1_SCRATCH_START + && (addr + size <= COREB_L1_SCRATCH_START + + L1_SCRATCH_LENGTH)) + return 0; +# if L1_CODE_LENGTH != 0 + if (addr >= COREB_L1_CODE_START + && (addr + size <= COREB_L1_CODE_START + L1_CODE_LENGTH)) + return 0; +# endif +# if L1_DATA_A_LENGTH != 0 + if (addr >= COREB_L1_DATA_A_START + && (addr + size <= COREB_L1_DATA_A_START + L1_DATA_A_LENGTH)) + return 0; +# endif +# if L1_DATA_B_LENGTH != 0 + if (addr >= COREB_L1_DATA_B_START + && (addr + size <= COREB_L1_DATA_B_START + L1_DATA_B_LENGTH)) + return 0; +# endif +#endif + } + +#if L2_LENGTH != 0 + if (addr >= L2_START + && addr + size <= L2_START + L2_LENGTH) + return 0; +#endif + + return EFAULT; +} + +/* + * Convert the memory pointed to by mem into hex, placing result in buf. + * Return a pointer to the last char put in buf (null). May return an error. + */ +int kgdb_mem2hex(char *mem, char *buf, int count) +{ + char *tmp; + int err = 0; + unsigned char *pch; + unsigned short mmr16; + unsigned long mmr32; + int cpu = raw_smp_processor_id(); + + if (validate_memory_access_address((unsigned long)mem, count)) + return EFAULT; + + /* + * We use the upper half of buf as an intermediate buffer for the + * raw memory copy. Hex conversion will work against this one. + */ + tmp = buf + count; + + if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/ + switch (count) { + case 2: + if ((unsigned int)mem % 2 == 0) { + mmr16 = *(unsigned short *)mem; + pch = (unsigned char *)&mmr16; + *tmp++ = *pch++; + *tmp++ = *pch++; + tmp -= 2; + } else + err = EFAULT; + break; + case 4: + if ((unsigned int)mem % 4 == 0) { + mmr32 = *(unsigned long *)mem; + pch = (unsigned char *)&mmr32; + *tmp++ = *pch++; + *tmp++ = *pch++; + *tmp++ = *pch++; + *tmp++ = *pch++; + tmp -= 4; + } else + err = EFAULT; + break; + default: + err = EFAULT; + } + } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && + (unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH +#ifdef CONFIG_SMP + || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && + (unsigned int)(mem + count) <= + COREB_L1_CODE_START + L1_CODE_LENGTH +#endif + ) { + /* access L1 instruction SRAM*/ + if (dma_memcpy(tmp, mem, count) == NULL) + err = EFAULT; + } else + err = probe_kernel_read(tmp, mem, count); + + if (!err) { + while (count > 0) { + buf = pack_hex_byte(buf, *tmp); + tmp++; + count--; + } + + *buf = 0; + } + + return err; +} + +/* + * Copy the binary array pointed to by buf into mem. Fix $, #, and + * 0x7d escaped with 0x7d. Return a pointer to the character after + * the last byte written. + */ +int kgdb_ebin2mem(char *buf, char *mem, int count) +{ + char *tmp_old; + char *tmp_new; + unsigned short *mmr16; + unsigned long *mmr32; + int err = 0; + int size = 0; + int cpu = raw_smp_processor_id(); + + tmp_old = tmp_new = buf; + + while (count-- > 0) { + if (*tmp_old == 0x7d) + *tmp_new = *(++tmp_old) ^ 0x20; + else + *tmp_new = *tmp_old; + tmp_new++; + tmp_old++; + size++; + } + + if (validate_memory_access_address((unsigned long)mem, size)) + return EFAULT; + + if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/ + switch (size) { + case 2: + if ((unsigned int)mem % 2 == 0) { + mmr16 = (unsigned short *)buf; + *(unsigned short *)mem = *mmr16; + } else + return EFAULT; + break; + case 4: + if ((unsigned int)mem % 4 == 0) { + mmr32 = (unsigned long *)buf; + *(unsigned long *)mem = *mmr32; + } else + return EFAULT; + break; + default: + return EFAULT; + } + } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && + (unsigned int)(mem + count) < L1_CODE_START + L1_CODE_LENGTH +#ifdef CONFIG_SMP + || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && + (unsigned int)(mem + count) <= + COREB_L1_CODE_START + L1_CODE_LENGTH +#endif + ) { + /* access L1 instruction SRAM */ + if (dma_memcpy(mem, buf, size) == NULL) + err = EFAULT; + } else + err = probe_kernel_write(mem, buf, size); + + return err; +} + +/* + * Convert the hex array pointed to by buf into binary to be placed in mem. + * Return a pointer to the character AFTER the last byte written. + * May return an error. + */ +int kgdb_hex2mem(char *buf, char *mem, int count) +{ + char *tmp_raw; + char *tmp_hex; + unsigned short *mmr16; + unsigned long *mmr32; + int cpu = raw_smp_processor_id(); + + if (validate_memory_access_address((unsigned long)mem, count)) + return EFAULT; + + /* + * We use the upper half of buf as an intermediate buffer for the + * raw memory that is converted from hex. + */ + tmp_raw = buf + count * 2; + + tmp_hex = tmp_raw - 1; + while (tmp_hex >= buf) { + tmp_raw--; + *tmp_raw = hex(*tmp_hex--); + *tmp_raw |= hex(*tmp_hex--) << 4; + } + + if ((unsigned int)mem >= SYSMMR_BASE) { /*access MMR registers*/ + switch (count) { + case 2: + if ((unsigned int)mem % 2 == 0) { + mmr16 = (unsigned short *)tmp_raw; + *(unsigned short *)mem = *mmr16; + } else + return EFAULT; + break; + case 4: + if ((unsigned int)mem % 4 == 0) { + mmr32 = (unsigned long *)tmp_raw; + *(unsigned long *)mem = *mmr32; + } else + return EFAULT; + break; + default: + return EFAULT; + } + } else if (cpu == 0 && (unsigned int)mem >= L1_CODE_START && + (unsigned int)(mem + count) <= L1_CODE_START + L1_CODE_LENGTH +#ifdef CONFIG_SMP + || cpu == 1 && (unsigned int)mem >= COREB_L1_CODE_START && + (unsigned int)(mem + count) <= + COREB_L1_CODE_START + L1_CODE_LENGTH +#endif + ) { + /* access L1 instruction SRAM */ + if (dma_memcpy(mem, tmp_raw, count) == NULL) + return EFAULT; + } else + return probe_kernel_write(mem, tmp_raw, count); + return 0; +} + +int kgdb_validate_break_address(unsigned long addr) +{ + int cpu = raw_smp_processor_id(); + + if (addr >= 0x1000 && (addr + BREAK_INSTR_SIZE) <= physical_mem_end) + return 0; + if (addr >= ASYNC_BANK0_BASE + && addr + BREAK_INSTR_SIZE <= ASYNC_BANK3_BASE + ASYNC_BANK3_BASE) + return 0; +#if L1_CODE_LENGTH != 0 + if (cpu == 0 && addr >= L1_CODE_START + && addr + BREAK_INSTR_SIZE <= L1_CODE_START + L1_CODE_LENGTH) + return 0; +# ifdef CONFIG_SMP + else if (cpu == 1 && addr >= COREB_L1_CODE_START + && addr + BREAK_INSTR_SIZE <= COREB_L1_CODE_START + L1_CODE_LENGTH) + return 0; +# endif +#endif +#if L2_LENGTH != 0 + if (addr >= L2_START + && addr + BREAK_INSTR_SIZE <= L2_START + L2_LENGTH) + return 0; +#endif + + return EFAULT; +} + +int kgdb_arch_set_breakpoint(unsigned long addr, char *saved_instr) +{ + int err; + int cpu = raw_smp_processor_id(); + + if ((cpu == 0 && (unsigned int)addr >= L1_CODE_START + && (unsigned int)(addr + BREAK_INSTR_SIZE) + < L1_CODE_START + L1_CODE_LENGTH) +#ifdef CONFIG_SMP + || (cpu == 1 && (unsigned int)addr >= COREB_L1_CODE_START + && (unsigned int)(addr + BREAK_INSTR_SIZE) + < COREB_L1_CODE_START + L1_CODE_LENGTH) +#endif + ) { + /* access L1 instruction SRAM */ + if (dma_memcpy(saved_instr, (void *)addr, BREAK_INSTR_SIZE) + == NULL) + return -EFAULT; + + if (dma_memcpy((void *)addr, arch_kgdb_ops.gdb_bpt_instr, + BREAK_INSTR_SIZE) == NULL) + return -EFAULT; + + return 0; + } else { + err = probe_kernel_read(saved_instr, (char *)addr, + BREAK_INSTR_SIZE); + if (err) + return err; + + return probe_kernel_write((char *)addr, + arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); + } +} + +int kgdb_arch_remove_breakpoint(unsigned long addr, char *bundle) +{ + if ((unsigned int)addr >= L1_CODE_START && + (unsigned int)(addr + BREAK_INSTR_SIZE) < + L1_CODE_START + L1_CODE_LENGTH) { + /* access L1 instruction SRAM */ + if (dma_memcpy((void *)addr, bundle, BREAK_INSTR_SIZE) == NULL) + return -EFAULT; + + return 0; + } else + return probe_kernel_write((char *)addr, + (char *)bundle, BREAK_INSTR_SIZE); +} + +int kgdb_arch_init(void) +{ + kgdb_single_step = 0; + + bfin_remove_all_hw_break(); + return 0; +} + +void kgdb_arch_exit(void) +{ +} diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index bd41fca315dd..8d561baef896 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -43,12 +43,11 @@ #include #ifdef CONFIG_KGDB -# include # include # define CHK_DEBUGGER_TRAP() \ do { \ - CHK_DEBUGGER(trapnr, sig, info.si_code, fp, ); \ + kgdb_handle_exception(trapnr, sig, info.si_code, fp); \ } while (0) # define CHK_DEBUGGER_TRAP_MAYBE() \ do { \ @@ -300,7 +299,7 @@ asmlinkage void trap_c(struct pt_regs *fp) info.si_code = SEGV_STACKFLOW; sig = SIGSEGV; printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x04 - User Defined, Caught by default */ /* 0x05 - User Defined, Caught by default */ @@ -329,7 +328,7 @@ asmlinkage void trap_c(struct pt_regs *fp) info.si_code = TRAP_TRACEFLOW; sig = SIGTRAP; printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x12 - Reserved, Caught by default */ /* 0x13 - Reserved, Caught by default */ @@ -351,35 +350,35 @@ asmlinkage void trap_c(struct pt_regs *fp) info.si_code = ILL_ILLOPC; sig = SIGILL; printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x22 - Illegal Instruction Combination, handled here */ case VEC_ILGAL_I: info.si_code = ILL_ILLPARAOP; sig = SIGILL; printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x23 - Data CPLB protection violation, handled here */ case VEC_CPLB_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x24 - Data access misaligned, handled here */ case VEC_MISALI_D: info.si_code = BUS_ADRALN; sig = SIGBUS; printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x25 - Unrecoverable Event, handled here */ case VEC_UNCOV: info.si_code = ILL_ILLEXCPT; sig = SIGILL; printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x26 - Data CPLB Miss, normal case is handled in _cplb_hdr, error case is handled here */ @@ -387,7 +386,6 @@ asmlinkage void trap_c(struct pt_regs *fp) info.si_code = BUS_ADRALN; sig = SIGBUS; printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); break; /* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */ case VEC_CPLB_MHIT: @@ -399,7 +397,7 @@ asmlinkage void trap_c(struct pt_regs *fp) else #endif printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x28 - Emulation Watchpoint, handled here */ case VEC_WATCH: @@ -418,7 +416,7 @@ asmlinkage void trap_c(struct pt_regs *fp) info.si_code = BUS_OPFETCH; sig = SIGBUS; printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; #else /* 0x29 - Reserved, Caught by default */ @@ -428,21 +426,20 @@ asmlinkage void trap_c(struct pt_regs *fp) info.si_code = BUS_ADRALN; sig = SIGBUS; printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2B - Instruction CPLB protection violation, handled here */ case VEC_CPLB_I_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2C - Instruction CPLB miss, handled in _cplb_hdr */ case VEC_CPLB_I_M: info.si_code = ILL_CPLB_MISS; sig = SIGBUS; printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); break; /* 0x2D - Instruction CPLB Multiple Hits, handled here */ case VEC_CPLB_I_MHIT: @@ -454,14 +451,14 @@ asmlinkage void trap_c(struct pt_regs *fp) else #endif printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2E - Illegal use of Supervisor Resource, handled here */ case VEC_ILL_RES: info.si_code = ILL_PRVOPC; sig = SIGILL; printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2F - Reserved, Caught by default */ /* 0x30 - Reserved, Caught by default */ @@ -508,14 +505,14 @@ asmlinkage void trap_c(struct pt_regs *fp) printk(KERN_NOTICE HWC_default(KERN_NOTICE)); break; } - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; default: info.si_code = TRAP_ILLTRAP; sig = SIGTRAP; printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", (fp->seqstat & SEQSTAT_EXCAUSE)); - CHK_DEBUGGER_TRAP(); + CHK_DEBUGGER_TRAP_MAYBE(); break; } diff --git a/arch/blackfin/mach-bf561/include/mach/mem_map.h b/arch/blackfin/mach-bf561/include/mach/mem_map.h index c26d8486cc4b..9d6674ad1e5e 100644 --- a/arch/blackfin/mach-bf561/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf561/include/mach/mem_map.h @@ -35,9 +35,16 @@ /* Memory Map for ADSP-BF561 processors */ #ifdef CONFIG_BF561 -#define L1_CODE_START 0xFFA00000 -#define L1_DATA_A_START 0xFF800000 -#define L1_DATA_B_START 0xFF900000 +#define COREA_L1_CODE_START 0xFFA00000 +#define COREA_L1_DATA_A_START 0xFF800000 +#define COREA_L1_DATA_B_START 0xFF900000 +#define COREB_L1_CODE_START 0xFF600000 +#define COREB_L1_DATA_A_START 0xFF500000 +#define COREB_L1_DATA_B_START 0xFF400000 + +#define L1_CODE_START COREA_L1_CODE_START +#define L1_DATA_A_START COREA_L1_DATA_A_START +#define L1_DATA_B_START COREA_L1_DATA_B_START #define L1_CODE_LENGTH 0x4000 @@ -72,7 +79,10 @@ /* Scratch Pad Memory */ -#define L1_SCRATCH_START 0xFFB00000 +#define COREA_L1_SCRATCH_START 0xFFB00000 +#define COREB_L1_SCRATCH_START 0xFF700000 + +#define L1_SCRATCH_START COREA_L1_SCRATCH_START #define L1_SCRATCH_LENGTH 0x1000 #endif /* _MEM_MAP_533_H_ */ diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 90c7397036ed..5a219b228de3 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -190,8 +190,8 @@ ENTRY(_ex_single_step) if cc jump .Lfind_priority_done; jump.s .Lfind_priority_start; .Lfind_priority_done: - p4.l = _debugger_step; - p4.h = _debugger_step; + p4.l = _kgdb_single_step; + p4.h = _kgdb_single_step; r6 = [p4]; cc = r6 == 0; if cc jump .Ldo_single_step; @@ -1071,7 +1071,12 @@ ENTRY(_ex_table) */ .long _ex_syscall /* 0x00 - User Defined - Linux Syscall */ .long _ex_soft_bp /* 0x01 - User Defined - Software breakpoint */ +#ifdef CONFIG_KGDB + .long _ex_trap_c /* 0x02 - User Defined - KGDB initial connection + and break signal trap */ +#else .long _ex_replaceable /* 0x02 - User Defined */ +#endif .long _ex_trap_c /* 0x03 - User Defined - userspace stack overflow */ .long _ex_trap_c /* 0x04 - User Defined - dump trace buffer */ .long _ex_replaceable /* 0x05 - User Defined */ diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 5fa536727c61..ff4d5c2879a5 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -1136,8 +1136,4 @@ void do_irq(int vec, struct pt_regs *fp) vec = ivg->irqno; } asm_do_IRQ(vec, fp); - -#ifdef CONFIG_KGDB - kgdb_process_breakpoint(); -#endif } -- cgit v1.2.3 From aca5e4aac88a0ee84e9dc63e3d4189adbaef24ca Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Wed, 8 Oct 2008 14:27:59 +0800 Subject: Blackfin arch: add BF54x / BF52x Rotary Input device driver platform resource to board file Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/boards/ezkit.c | 36 ++++++++++++++++++++++ .../mach-bf527/include/mach/defBF52x_base.h | 27 ++++++++++++++++ arch/blackfin/mach-bf527/include/mach/portmux.h | 4 +++ arch/blackfin/mach-bf548/boards/ezkit.c | 35 +++++++++++++++++++++ 4 files changed, 102 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c index 04a8d6da9055..8ee2b744e234 100644 --- a/arch/blackfin/mach-bf527/boards/ezkit.c +++ b/arch/blackfin/mach-bf527/boards/ezkit.c @@ -853,6 +853,38 @@ static struct platform_device bfin_device_gpiokeys = { }; #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) +#include +#include + +static struct bfin_rotary_platform_data bfin_rotary_data = { + /*.rotary_up_key = KEY_UP,*/ + /*.rotary_down_key = KEY_DOWN,*/ + .rotary_rel_code = REL_WHEEL, + .rotary_button_key = KEY_ENTER, + .debounce = 10, /* 0..17 */ + .mode = ROT_QUAD_ENC | ROT_DEBE, +}; + +static struct resource bfin_rotary_resources[] = { + { + .start = IRQ_CNT, + .end = IRQ_CNT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_rotary_device = { + .name = "bfin-rotary", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_rotary_resources), + .resource = bfin_rotary_resources, + .dev = { + .platform_data = &bfin_rotary_data, + }, +}; +#endif + static struct resource bfin_gpios_resources = { .start = 0, .end = MAX_BLACKFIN_GPIOS - 1, @@ -969,6 +1001,10 @@ static struct platform_device *stamp_devices[] __initdata = { &bfin_device_gpiokeys, #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) + &bfin_rotary_device, +#endif + #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) &ezkit_flash_device, #endif diff --git a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h index 6ac2ed7026eb..68b55d03fedf 100644 --- a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h +++ b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h @@ -1840,6 +1840,33 @@ #define DPRESCALE 0xf /* Load Counter Register */ +/* CNT_COMMAND bit field options */ + +#define W1LCNT_ZERO 0x0001 /* write 1 to load CNT_COUNTER with zero */ +#define W1LCNT_MIN 0x0004 /* write 1 to load CNT_COUNTER from CNT_MIN */ +#define W1LCNT_MAX 0x0008 /* write 1 to load CNT_COUNTER from CNT_MAX */ + +#define W1LMIN_ZERO 0x0010 /* write 1 to load CNT_MIN with zero */ +#define W1LMIN_CNT 0x0020 /* write 1 to load CNT_MIN from CNT_COUNTER */ +#define W1LMIN_MAX 0x0080 /* write 1 to load CNT_MIN from CNT_MAX */ + +#define W1LMAX_ZERO 0x0100 /* write 1 to load CNT_MAX with zero */ +#define W1LMAX_CNT 0x0200 /* write 1 to load CNT_MAX from CNT_COUNTER */ +#define W1LMAX_MIN 0x0400 /* write 1 to load CNT_MAX from CNT_MIN */ + +/* CNT_CONFIG bit field options */ + +#define CNTMODE_QUADENC 0x0000 /* quadrature encoder mode */ +#define CNTMODE_BINENC 0x0100 /* binary encoder mode */ +#define CNTMODE_UDCNT 0x0200 /* up/down counter mode */ +#define CNTMODE_DIRCNT 0x0400 /* direction counter mode */ +#define CNTMODE_DIRTMR 0x0500 /* direction timer mode */ + +#define BNDMODE_COMP 0x0000 /* boundary compare mode */ +#define BNDMODE_ZERO 0x1000 /* boundary compare and zero mode */ +#define BNDMODE_CAPT 0x2000 /* boundary capture mode */ +#define BNDMODE_AEXT 0x3000 /* boundary auto-extend mode */ + /* Bit masks for OTP_CONTROL */ #define FUSE_FADDR 0x1ff /* OTP/Fuse Address */ diff --git a/arch/blackfin/mach-bf527/include/mach/portmux.h b/arch/blackfin/mach-bf527/include/mach/portmux.h index ae4d205bfcf5..7f6da2c386bb 100644 --- a/arch/blackfin/mach-bf527/include/mach/portmux.h +++ b/arch/blackfin/mach-bf527/include/mach/portmux.h @@ -67,6 +67,10 @@ #define P_UART1_RX (P_DEFINED | P_IDENT(GPIO_PG13) | P_FUNCT(1)) #endif +#define P_CNT_CZM (P_DEFINED | P_IDENT(GPIO_PF11) | P_FUNCT(3)) +#define P_CNT_CDG (P_DEFINED | P_IDENT(GPIO_PF12) | P_FUNCT(3)) +#define P_CNT_CUD (P_DEFINED | P_IDENT(GPIO_PF13) | P_FUNCT(3)) + #define P_HWAIT (P_DONTCARE) #define P_SPI0_SS (P_DEFINED | P_IDENT(GPIO_PG1) | P_FUNCT(0)) diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 397ddf6b8106..7c08b9f1838a 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -183,6 +183,37 @@ static struct platform_device bf54x_kpad_device = { }; #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) +#include + +static struct bfin_rotary_platform_data bfin_rotary_data = { + /*.rotary_up_key = KEY_UP,*/ + /*.rotary_down_key = KEY_DOWN,*/ + .rotary_rel_code = REL_WHEEL, + .rotary_button_key = KEY_ENTER, + .debounce = 10, /* 0..17 */ + .mode = ROT_QUAD_ENC | ROT_DEBE, +}; + +static struct resource bfin_rotary_resources[] = { + { + .start = IRQ_CNT, + .end = IRQ_CNT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_rotary_device = { + .name = "bfin-rotary", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_rotary_resources), + .resource = bfin_rotary_resources, + .dev = { + .platform_data = &bfin_rotary_data, + }, +}; +#endif + #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) static struct platform_device rtc_device = { .name = "rtc-bfin", @@ -817,6 +848,10 @@ static struct platform_device *ezkit_devices[] __initdata = { &bf54x_kpad_device, #endif +#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE) + &bfin_rotary_device, +#endif + #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) &i2c_bfin_twi0_device, #if !defined(CONFIG_BF542) -- cgit v1.2.3 From 5c64e0d5109532f8184be29c1dc163059e3ded4b Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Wed, 8 Oct 2008 14:43:47 +0800 Subject: Blackfin arch: Better error handling of unknown exceptions Better error handling of unknown exceptions, allows userspace to do a EXCPT n instruction for a not installed exception handler, and the kernel doesn't crash (like it use to before this). Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/traps.h | 5 ++++- arch/blackfin/kernel/traps.c | 43 ++++++++++++++++++++++++++------------- 2 files changed, 33 insertions(+), 15 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/traps.h b/arch/blackfin/include/asm/traps.h index f0e5f940d9ca..34f7295fb070 100644 --- a/arch/blackfin/include/asm/traps.h +++ b/arch/blackfin/include/asm/traps.h @@ -59,6 +59,9 @@ level " or a 16-bit register is accessed with a 32-bit instruction.\n" #define HWC_x3(level) \ "External Memory Addressing Error\n" +#define EXC_0x04(level) \ + "Unimplmented exception occured\n" \ + level " - Maybe you forgot to install a custom exception handler?\n" #define HWC_x12(level) \ "Performance Monitor Overflow\n" #define HWC_x18(level) \ @@ -84,7 +87,7 @@ level " a particular processor implementation.\n" #define EXC_0x22(level) \ "Illegal instruction combination\n" \ - level " - See section for multi-issue rules in the ADSP-BF53x Blackfin\n" \ + level " - See section for multi-issue rules in the Blackfin\n" \ level " Processor Instruction Set Reference.\n" #define EXC_0x23(level) \ "Data access CPLB protection violation\n" \ diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 8d561baef896..be5ae7fabc5f 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -301,18 +301,28 @@ asmlinkage void trap_c(struct pt_regs *fp) printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; - /* 0x04 - User Defined, Caught by default */ - /* 0x05 - User Defined, Caught by default */ - /* 0x06 - User Defined, Caught by default */ - /* 0x07 - User Defined, Caught by default */ - /* 0x08 - User Defined, Caught by default */ - /* 0x09 - User Defined, Caught by default */ - /* 0x0A - User Defined, Caught by default */ - /* 0x0B - User Defined, Caught by default */ - /* 0x0C - User Defined, Caught by default */ - /* 0x0D - User Defined, Caught by default */ - /* 0x0E - User Defined, Caught by default */ - /* 0x0F - User Defined, Caught by default */ + /* 0x04 - User Defined */ + /* 0x05 - User Defined */ + /* 0x06 - User Defined */ + /* 0x07 - User Defined */ + /* 0x08 - User Defined */ + /* 0x09 - User Defined */ + /* 0x0A - User Defined */ + /* 0x0B - User Defined */ + /* 0x0C - User Defined */ + /* 0x0D - User Defined */ + /* 0x0E - User Defined */ + /* 0x0F - User Defined */ + /* + * If we got here, it is most likely that someone was trying to use a + * custom exception handler, and it is not actually installed properly + */ + case VEC_EXCPT04 ... VEC_EXCPT15: + info.si_code = ILL_ILLPARAOP; + sig = SIGILL; + printk(KERN_NOTICE EXC_0x04(KERN_NOTICE)); + CHK_DEBUGGER_TRAP_MAYBE(); + break; /* 0x10 HW Single step, handled here */ case VEC_STEP: info.si_code = TRAP_STEP; @@ -507,9 +517,14 @@ asmlinkage void trap_c(struct pt_regs *fp) } CHK_DEBUGGER_TRAP_MAYBE(); break; + /* + * We should be handling all known exception types above, + * if we get here we hit a reserved one, so panic + */ default: - info.si_code = TRAP_ILLTRAP; - sig = SIGTRAP; + oops_in_progress = 1; + info.si_code = ILL_ILLPARAOP; + sig = SIGILL; printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", (fp->seqstat & SEQSTAT_EXCAUSE)); CHK_DEBUGGER_TRAP_MAYBE(); -- cgit v1.2.3 From fffe53bee7d90ab2103d2520ab4d095aea9b7397 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 8 Oct 2008 14:46:09 +0800 Subject: Blackfin arch: fix bug - sometimes there is no response to the hitting key in uboot for bf561-ezkit when running with 50mhz SCLK use 10 delays rather than 7 Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/reboot.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index 367e2dc09881..b0a8f89cc9b6 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -34,15 +34,15 @@ void bfin_reset(void) bfin_write_SWRST(0x7); /* Due to the way reset is handled in the hardware, we need - * to delay for 7 SCLKS. The only reliable way to do this is - * to calculate the CCLK/SCLK ratio and multiply 7. For now, + * to delay for 10 SCLKS. The only reliable way to do this is + * to calculate the CCLK/SCLK ratio and multiply 10. For now, * we'll assume worse case which is a 1:15 ratio. */ asm( "LSETUP (1f, 1f) LC0 = %0\n" "1: nop;" : - : "a" (15 * 7) + : "a" (15 * 10) : "LC0", "LB0", "LT0" ); -- cgit v1.2.3 From 74c04503d777b5d1f8f2e38852df4f1a6c82fc7b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 8 Oct 2008 16:13:17 +0800 Subject: Blackfin arch: mark local gpio_error() as static Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/bfin_gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index ecbd141e0ef2..12710ed180be 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -231,7 +231,7 @@ inline int check_gpio(unsigned gpio) } #endif -void gpio_error(unsigned gpio) +static void gpio_error(unsigned gpio) { printk(KERN_ERR "bfin-gpio: GPIO %d wasn't requested!\n", gpio); } -- cgit v1.2.3 From 7d98c881eed9e19767bc77ffd650d0041b4f41ec Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Wed, 8 Oct 2008 16:29:01 +0800 Subject: Blackfin arch: Make sure we protect except 2 properly, and print out memory properly Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/kernel/traps.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index be5ae7fabc5f..0112ba407f63 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -317,6 +317,7 @@ asmlinkage void trap_c(struct pt_regs *fp) * If we got here, it is most likely that someone was trying to use a * custom exception handler, and it is not actually installed properly */ + case VEC_EXCPT02: case VEC_EXCPT04 ... VEC_EXCPT15: info.si_code = ILL_ILLPARAOP; sig = SIGILL; @@ -968,7 +969,7 @@ void dump_bfin_mem(struct pt_regs *fp) if (!((unsigned long)addr & 0xF)) printk("\n" KERN_NOTICE "0x%p: ", addr); - if (get_instruction(&val, addr)) { + if (!get_instruction(&val, addr)) { val = 0; sprintf(buf, "????"); } else -- cgit v1.2.3 From ca87b7ad00a620f259048fdfb27dc2a5384c1e4e Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Wed, 8 Oct 2008 17:30:01 +0800 Subject: Blackfin arch: add CONFIG_APP_STACKS_L1 to enable or disable putting kernel stacks in L1 use CONFIG_APP_STACKS_L1 to enable or disable putting kernel stacks in L1, default is enabled, SMP kernel need turn it off Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 9 ++++ arch/blackfin/include/asm/mmu_context.h | 79 ++++++++++++++++++--------------- 2 files changed, 51 insertions(+), 37 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index c507a92cb289..9d936a3986c8 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -629,6 +629,15 @@ config CPLB_SWITCH_TAB_L1 If enabled, the CPLB Switch Tables are linked into L1 data memory. (less latency) +config APP_STACK_L1 + bool "Support locating application stack in L1 Scratch Memory" + default y + help + If enabled the application stack can be located in L1 + scratch memory (less latency). + + Currently only works with FLAT binaries. + comment "Speed Optimizations" config BFIN_INS_LOWOVERHEAD bool "ins[bwl] low overhead, higher interrupt latency" diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h index 8529552a981f..35593dda2a4d 100644 --- a/arch/blackfin/include/asm/mmu_context.h +++ b/arch/blackfin/include/asm/mmu_context.h @@ -45,49 +45,12 @@ extern unsigned long l1_stack_len; extern int l1sram_free(const void*); extern void *l1sram_alloc_max(void*); -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -} - -/* Called when creating a new context during fork() or execve(). */ -static inline int -init_new_context(struct task_struct *tsk, struct mm_struct *mm) -{ -#ifdef CONFIG_MPU - unsigned long p = __get_free_pages(GFP_KERNEL, page_mask_order); - mm->context.page_rwx_mask = (unsigned long *)p; - memset(mm->context.page_rwx_mask, 0, - page_mask_nelts * 3 * sizeof(long)); -#endif - return 0; -} - static inline void free_l1stack(void) { nr_l1stack_tasks--; if (nr_l1stack_tasks == 0) l1sram_free(l1_stack_base); } -static inline void destroy_context(struct mm_struct *mm) -{ - struct sram_list_struct *tmp; - - if (current_l1_stack_save == mm->context.l1_stack_save) - current_l1_stack_save = NULL; - if (mm->context.l1_stack_save) - free_l1stack(); - - while ((tmp = mm->context.sram_list)) { - mm->context.sram_list = tmp->next; - sram_free(tmp->addr); - kfree(tmp); - } -#ifdef CONFIG_MPU - if (current_rwx_mask == mm->context.page_rwx_mask) - current_rwx_mask = NULL; - free_pages((unsigned long)mm->context.page_rwx_mask, page_mask_order); -#endif -} static inline unsigned long alloc_l1stack(unsigned long length, unsigned long *stack_base) @@ -134,6 +97,7 @@ static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_m } #endif +#ifdef CONFIG_APP_STACK_L1 /* L1 stack switching. */ if (!next_mm->context.l1_stack_save) return; @@ -144,6 +108,7 @@ static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_m } current_l1_stack_save = next_mm->context.l1_stack_save; memcpy(l1_stack_base, current_l1_stack_save, l1_stack_len); +#endif } #ifdef CONFIG_MPU @@ -180,4 +145,44 @@ static inline void update_protections(struct mm_struct *mm) } #endif +static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ +} + +/* Called when creating a new context during fork() or execve(). */ +static inline int +init_new_context(struct task_struct *tsk, struct mm_struct *mm) +{ +#ifdef CONFIG_MPU + unsigned long p = __get_free_pages(GFP_KERNEL, page_mask_order); + mm->context.page_rwx_mask = (unsigned long *)p; + memset(mm->context.page_rwx_mask, 0, + page_mask_nelts * 3 * sizeof(long)); +#endif + return 0; +} + +static inline void destroy_context(struct mm_struct *mm) +{ + struct sram_list_struct *tmp; + +#ifdef CONFIG_APP_STACK_L1 + if (current_l1_stack_save == mm->context.l1_stack_save) + current_l1_stack_save = 0; + if (mm->context.l1_stack_save) + free_l1stack(); +#endif + + while ((tmp = mm->context.sram_list)) { + mm->context.sram_list = tmp->next; + sram_free(tmp->addr); + kfree(tmp); + } +#ifdef CONFIG_MPU + if (current_rwx_mask == mm->context.page_rwx_mask) + current_rwx_mask = NULL; + free_pages((unsigned long)mm->context.page_rwx_mask, page_mask_order); +#endif +} + #endif -- cgit v1.2.3 From 763e63c640ae799e3ce6495e71832744bffc661b Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Wed, 8 Oct 2008 17:08:15 +0800 Subject: Blackfin arch: add a meaningful name for each irqchip Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/ints-priority.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index ff4d5c2879a5..f65b3a13a8c3 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -243,12 +243,14 @@ int bfin_internal_set_wake(unsigned int irq, unsigned int state) #endif static struct irq_chip bfin_core_irqchip = { + .name = "CORE", .ack = bfin_ack_noop, .mask = bfin_core_mask_irq, .unmask = bfin_core_unmask_irq, }; static struct irq_chip bfin_internal_irqchip = { + .name = "INTN", .ack = bfin_ack_noop, .mask = bfin_internal_mask_irq, .unmask = bfin_internal_unmask_irq, @@ -278,6 +280,7 @@ static void bfin_generic_error_unmask_irq(unsigned int irq) } static struct irq_chip bfin_generic_error_irqchip = { + .name = "ERROR", .ack = bfin_ack_noop, .mask_ack = bfin_generic_error_mask_irq, .mask = bfin_generic_error_mask_irq, @@ -495,6 +498,7 @@ int bfin_gpio_set_wake(unsigned int irq, unsigned int state) #endif static struct irq_chip bfin_gpio_irqchip = { + .name = "GPIO", .ack = bfin_gpio_ack_irq, .mask = bfin_gpio_mask_irq, .mask_ack = bfin_gpio_mask_ack_irq, @@ -884,6 +888,7 @@ void bfin_pm_restore(void) #endif static struct irq_chip bfin_gpio_irqchip = { + .name = "GPIO", .ack = bfin_gpio_ack_irq, .mask = bfin_gpio_mask_irq, .mask_ack = bfin_gpio_mask_ack_irq, -- cgit v1.2.3 From 5e95320f9fb7a3171bb75eba15acb745c6e43805 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Wed, 8 Oct 2008 17:22:49 +0800 Subject: Blackfin arch: rename blackfin_sram.c to sram-alloc.c rename blackfin_sram.c to sram-alloc.c (we know it is a blackfin file, since it is in arch/blackfin) - and there is no "driver" code in there, it is just an allocator/deallocator for L1 and L2 sram. Also fix a problem that checkpatch pointed out Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/mm/Makefile | 2 +- arch/blackfin/mm/blackfin_sram.c | 806 -------------------------------------- arch/blackfin/mm/sram-alloc.c | 809 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 810 insertions(+), 807 deletions(-) delete mode 100644 arch/blackfin/mm/blackfin_sram.c create mode 100644 arch/blackfin/mm/sram-alloc.c (limited to 'arch/blackfin') diff --git a/arch/blackfin/mm/Makefile b/arch/blackfin/mm/Makefile index 2a7202ce01fd..81aacbc32d3c 100644 --- a/arch/blackfin/mm/Makefile +++ b/arch/blackfin/mm/Makefile @@ -2,4 +2,4 @@ # arch/blackfin/mm/Makefile # -obj-y := blackfin_sram.o init.o +obj-y := sram-alloc.o init.o diff --git a/arch/blackfin/mm/blackfin_sram.c b/arch/blackfin/mm/blackfin_sram.c deleted file mode 100644 index 4f5e887a0d96..000000000000 --- a/arch/blackfin/mm/blackfin_sram.c +++ /dev/null @@ -1,806 +0,0 @@ -/* - * File: arch/blackfin/mm/blackfin_sram.c - * Based on: - * Author: - * - * Created: - * Description: SRAM driver for Blackfin ADSP-BF5xx - * - * Modified: - * Copyright 2004-2007 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "blackfin_sram.h" - -static spinlock_t l1sram_lock, l1_data_sram_lock, l1_inst_sram_lock; -static spinlock_t l2_sram_lock; - -/* the data structure for L1 scratchpad and DATA SRAM */ -struct sram_piece { - void *paddr; - int size; - pid_t pid; - struct sram_piece *next; -}; - -static struct sram_piece free_l1_ssram_head, used_l1_ssram_head; - -#if L1_DATA_A_LENGTH != 0 -static struct sram_piece free_l1_data_A_sram_head, used_l1_data_A_sram_head; -#endif - -#if L1_DATA_B_LENGTH != 0 -static struct sram_piece free_l1_data_B_sram_head, used_l1_data_B_sram_head; -#endif - -#if L1_CODE_LENGTH != 0 -static struct sram_piece free_l1_inst_sram_head, used_l1_inst_sram_head; -#endif - -#if L2_LENGTH != 0 -static struct sram_piece free_l2_sram_head, used_l2_sram_head; -#endif - -static struct kmem_cache *sram_piece_cache; - -/* L1 Scratchpad SRAM initialization function */ -static void __init l1sram_init(void) -{ - free_l1_ssram_head.next = - kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); - if (!free_l1_ssram_head.next) { - printk(KERN_INFO"Fail to initialize Scratchpad data SRAM.\n"); - return; - } - - free_l1_ssram_head.next->paddr = (void *)L1_SCRATCH_START; - free_l1_ssram_head.next->size = L1_SCRATCH_LENGTH; - free_l1_ssram_head.next->pid = 0; - free_l1_ssram_head.next->next = NULL; - - used_l1_ssram_head.next = NULL; - - /* mutex initialize */ - spin_lock_init(&l1sram_lock); - - printk(KERN_INFO "Blackfin Scratchpad data SRAM: %d KB\n", - L1_SCRATCH_LENGTH >> 10); -} - -static void __init l1_data_sram_init(void) -{ -#if L1_DATA_A_LENGTH != 0 - free_l1_data_A_sram_head.next = - kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); - if (!free_l1_data_A_sram_head.next) { - printk(KERN_INFO"Fail to initialize L1 Data A SRAM.\n"); - return; - } - - free_l1_data_A_sram_head.next->paddr = - (void *)L1_DATA_A_START + (_ebss_l1 - _sdata_l1); - free_l1_data_A_sram_head.next->size = - L1_DATA_A_LENGTH - (_ebss_l1 - _sdata_l1); - free_l1_data_A_sram_head.next->pid = 0; - free_l1_data_A_sram_head.next->next = NULL; - - used_l1_data_A_sram_head.next = NULL; - - printk(KERN_INFO "Blackfin L1 Data A SRAM: %d KB (%d KB free)\n", - L1_DATA_A_LENGTH >> 10, - free_l1_data_A_sram_head.next->size >> 10); -#endif -#if L1_DATA_B_LENGTH != 0 - free_l1_data_B_sram_head.next = - kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); - if (!free_l1_data_B_sram_head.next) { - printk(KERN_INFO"Fail to initialize L1 Data B SRAM.\n"); - return; - } - - free_l1_data_B_sram_head.next->paddr = - (void *)L1_DATA_B_START + (_ebss_b_l1 - _sdata_b_l1); - free_l1_data_B_sram_head.next->size = - L1_DATA_B_LENGTH - (_ebss_b_l1 - _sdata_b_l1); - free_l1_data_B_sram_head.next->pid = 0; - free_l1_data_B_sram_head.next->next = NULL; - - used_l1_data_B_sram_head.next = NULL; - - printk(KERN_INFO "Blackfin L1 Data B SRAM: %d KB (%d KB free)\n", - L1_DATA_B_LENGTH >> 10, - free_l1_data_B_sram_head.next->size >> 10); -#endif - - /* mutex initialize */ - spin_lock_init(&l1_data_sram_lock); -} - -static void __init l1_inst_sram_init(void) -{ -#if L1_CODE_LENGTH != 0 - free_l1_inst_sram_head.next = - kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); - if (!free_l1_inst_sram_head.next) { - printk(KERN_INFO"Fail to initialize L1 Instruction SRAM.\n"); - return; - } - - free_l1_inst_sram_head.next->paddr = - (void *)L1_CODE_START + (_etext_l1 - _stext_l1); - free_l1_inst_sram_head.next->size = - L1_CODE_LENGTH - (_etext_l1 - _stext_l1); - free_l1_inst_sram_head.next->pid = 0; - free_l1_inst_sram_head.next->next = NULL; - - used_l1_inst_sram_head.next = NULL; - - printk(KERN_INFO "Blackfin L1 Instruction SRAM: %d KB (%d KB free)\n", - L1_CODE_LENGTH >> 10, - free_l1_inst_sram_head.next->size >> 10); -#endif - - /* mutex initialize */ - spin_lock_init(&l1_inst_sram_lock); -} - -static void __init l2_sram_init(void) -{ -#if L2_LENGTH != 0 - free_l2_sram_head.next = - kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); - if (!free_l2_sram_head.next) { - printk(KERN_INFO"Fail to initialize L2 SRAM.\n"); - return; - } - - free_l2_sram_head.next->paddr = (void *)L2_START + - (_etext_l2 - _stext_l2) + (_edata_l2 - _sdata_l2); - free_l2_sram_head.next->size = L2_LENGTH - - (_etext_l2 - _stext_l2) + (_edata_l2 - _sdata_l2); - free_l2_sram_head.next->pid = 0; - free_l2_sram_head.next->next = NULL; - - used_l2_sram_head.next = NULL; - - printk(KERN_INFO "Blackfin L2 SRAM: %d KB (%d KB free)\n", - L2_LENGTH >> 10, - free_l2_sram_head.next->size >> 10); -#endif - - /* mutex initialize */ - spin_lock_init(&l2_sram_lock); -} -void __init bfin_sram_init(void) -{ - sram_piece_cache = kmem_cache_create("sram_piece_cache", - sizeof(struct sram_piece), - 0, SLAB_PANIC, NULL); - - l1sram_init(); - l1_data_sram_init(); - l1_inst_sram_init(); - l2_sram_init(); -} - -/* SRAM allocate function */ -static void *_sram_alloc(size_t size, struct sram_piece *pfree_head, - struct sram_piece *pused_head) -{ - struct sram_piece *pslot, *plast, *pavail; - - if (size <= 0 || !pfree_head || !pused_head) - return NULL; - - /* Align the size */ - size = (size + 3) & ~3; - - pslot = pfree_head->next; - plast = pfree_head; - - /* search an available piece slot */ - while (pslot != NULL && size > pslot->size) { - plast = pslot; - pslot = pslot->next; - } - - if (!pslot) - return NULL; - - if (pslot->size == size) { - plast->next = pslot->next; - pavail = pslot; - } else { - pavail = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); - - if (!pavail) - return NULL; - - pavail->paddr = pslot->paddr; - pavail->size = size; - pslot->paddr += size; - pslot->size -= size; - } - - pavail->pid = current->pid; - - pslot = pused_head->next; - plast = pused_head; - - /* insert new piece into used piece list !!! */ - while (pslot != NULL && pavail->paddr < pslot->paddr) { - plast = pslot; - pslot = pslot->next; - } - - pavail->next = pslot; - plast->next = pavail; - - return pavail->paddr; -} - -/* Allocate the largest available block. */ -static void *_sram_alloc_max(struct sram_piece *pfree_head, - struct sram_piece *pused_head, - unsigned long *psize) -{ - struct sram_piece *pslot, *pmax; - - if (!pfree_head || !pused_head) - return NULL; - - pmax = pslot = pfree_head->next; - - /* search an available piece slot */ - while (pslot != NULL) { - if (pslot->size > pmax->size) - pmax = pslot; - pslot = pslot->next; - } - - if (!pmax) - return NULL; - - *psize = pmax->size; - - return _sram_alloc(*psize, pfree_head, pused_head); -} - -/* SRAM free function */ -static int _sram_free(const void *addr, - struct sram_piece *pfree_head, - struct sram_piece *pused_head) -{ - struct sram_piece *pslot, *plast, *pavail; - - if (!pfree_head || !pused_head) - return -1; - - /* search the relevant memory slot */ - pslot = pused_head->next; - plast = pused_head; - - /* search an available piece slot */ - while (pslot != NULL && pslot->paddr != addr) { - plast = pslot; - pslot = pslot->next; - } - - if (!pslot) - return -1; - - plast->next = pslot->next; - pavail = pslot; - pavail->pid = 0; - - /* insert free pieces back to the free list */ - pslot = pfree_head->next; - plast = pfree_head; - - while (pslot != NULL && addr > pslot->paddr) { - plast = pslot; - pslot = pslot->next; - } - - if (plast != pfree_head && plast->paddr + plast->size == pavail->paddr) { - plast->size += pavail->size; - kmem_cache_free(sram_piece_cache, pavail); - } else { - pavail->next = plast->next; - plast->next = pavail; - plast = pavail; - } - - if (pslot && plast->paddr + plast->size == pslot->paddr) { - plast->size += pslot->size; - plast->next = pslot->next; - kmem_cache_free(sram_piece_cache, pslot); - } - - return 0; -} - -int sram_free(const void *addr) -{ - if (0) {} -#if L1_CODE_LENGTH != 0 - else if (addr >= (void *)L1_CODE_START - && addr < (void *)(L1_CODE_START + L1_CODE_LENGTH)) - return l1_inst_sram_free(addr); -#endif -#if L1_DATA_A_LENGTH != 0 - else if (addr >= (void *)L1_DATA_A_START - && addr < (void *)(L1_DATA_A_START + L1_DATA_A_LENGTH)) - return l1_data_A_sram_free(addr); -#endif -#if L1_DATA_B_LENGTH != 0 - else if (addr >= (void *)L1_DATA_B_START - && addr < (void *)(L1_DATA_B_START + L1_DATA_B_LENGTH)) - return l1_data_B_sram_free(addr); -#endif -#if L2_LENGTH != 0 - else if (addr >= (void *)L2_START - && addr < (void *)(L2_START + L2_LENGTH)) - return l2_sram_free(addr); -#endif - else - return -1; -} -EXPORT_SYMBOL(sram_free); - -void *l1_data_A_sram_alloc(size_t size) -{ - unsigned long flags; - void *addr = NULL; - - /* add mutex operation */ - spin_lock_irqsave(&l1_data_sram_lock, flags); - -#if L1_DATA_A_LENGTH != 0 - addr = _sram_alloc(size, &free_l1_data_A_sram_head, - &used_l1_data_A_sram_head); -#endif - - /* add mutex operation */ - spin_unlock_irqrestore(&l1_data_sram_lock, flags); - - pr_debug("Allocated address in l1_data_A_sram_alloc is 0x%lx+0x%lx\n", - (long unsigned int)addr, size); - - return addr; -} -EXPORT_SYMBOL(l1_data_A_sram_alloc); - -int l1_data_A_sram_free(const void *addr) -{ - unsigned long flags; - int ret; - - /* add mutex operation */ - spin_lock_irqsave(&l1_data_sram_lock, flags); - -#if L1_DATA_A_LENGTH != 0 - ret = _sram_free(addr, &free_l1_data_A_sram_head, - &used_l1_data_A_sram_head); -#else - ret = -1; -#endif - - /* add mutex operation */ - spin_unlock_irqrestore(&l1_data_sram_lock, flags); - - return ret; -} -EXPORT_SYMBOL(l1_data_A_sram_free); - -void *l1_data_B_sram_alloc(size_t size) -{ -#if L1_DATA_B_LENGTH != 0 - unsigned long flags; - void *addr; - - /* add mutex operation */ - spin_lock_irqsave(&l1_data_sram_lock, flags); - - addr = _sram_alloc(size, &free_l1_data_B_sram_head, - &used_l1_data_B_sram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1_data_sram_lock, flags); - - pr_debug("Allocated address in l1_data_B_sram_alloc is 0x%lx+0x%lx\n", - (long unsigned int)addr, size); - - return addr; -#else - return NULL; -#endif -} -EXPORT_SYMBOL(l1_data_B_sram_alloc); - -int l1_data_B_sram_free(const void *addr) -{ -#if L1_DATA_B_LENGTH != 0 - unsigned long flags; - int ret; - - /* add mutex operation */ - spin_lock_irqsave(&l1_data_sram_lock, flags); - - ret = _sram_free(addr, &free_l1_data_B_sram_head, - &used_l1_data_B_sram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1_data_sram_lock, flags); - - return ret; -#else - return -1; -#endif -} -EXPORT_SYMBOL(l1_data_B_sram_free); - -void *l1_data_sram_alloc(size_t size) -{ - void *addr = l1_data_A_sram_alloc(size); - - if (!addr) - addr = l1_data_B_sram_alloc(size); - - return addr; -} -EXPORT_SYMBOL(l1_data_sram_alloc); - -void *l1_data_sram_zalloc(size_t size) -{ - void *addr = l1_data_sram_alloc(size); - - if (addr) - memset(addr, 0x00, size); - - return addr; -} -EXPORT_SYMBOL(l1_data_sram_zalloc); - -int l1_data_sram_free(const void *addr) -{ - int ret; - ret = l1_data_A_sram_free(addr); - if (ret == -1) - ret = l1_data_B_sram_free(addr); - return ret; -} -EXPORT_SYMBOL(l1_data_sram_free); - -void *l1_inst_sram_alloc(size_t size) -{ -#if L1_CODE_LENGTH != 0 - unsigned long flags; - void *addr; - - /* add mutex operation */ - spin_lock_irqsave(&l1_inst_sram_lock, flags); - - addr = _sram_alloc(size, &free_l1_inst_sram_head, - &used_l1_inst_sram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1_inst_sram_lock, flags); - - pr_debug("Allocated address in l1_inst_sram_alloc is 0x%lx+0x%lx\n", - (long unsigned int)addr, size); - - return addr; -#else - return NULL; -#endif -} -EXPORT_SYMBOL(l1_inst_sram_alloc); - -int l1_inst_sram_free(const void *addr) -{ -#if L1_CODE_LENGTH != 0 - unsigned long flags; - int ret; - - /* add mutex operation */ - spin_lock_irqsave(&l1_inst_sram_lock, flags); - - ret = _sram_free(addr, &free_l1_inst_sram_head, - &used_l1_inst_sram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1_inst_sram_lock, flags); - - return ret; -#else - return -1; -#endif -} -EXPORT_SYMBOL(l1_inst_sram_free); - -/* L1 Scratchpad memory allocate function */ -void *l1sram_alloc(size_t size) -{ - unsigned long flags; - void *addr; - - /* add mutex operation */ - spin_lock_irqsave(&l1sram_lock, flags); - - addr = _sram_alloc(size, &free_l1_ssram_head, - &used_l1_ssram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1sram_lock, flags); - - return addr; -} - -/* L1 Scratchpad memory allocate function */ -void *l1sram_alloc_max(size_t *psize) -{ - unsigned long flags; - void *addr; - - /* add mutex operation */ - spin_lock_irqsave(&l1sram_lock, flags); - - addr = _sram_alloc_max(&free_l1_ssram_head, - &used_l1_ssram_head, psize); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1sram_lock, flags); - - return addr; -} - -/* L1 Scratchpad memory free function */ -int l1sram_free(const void *addr) -{ - unsigned long flags; - int ret; - - /* add mutex operation */ - spin_lock_irqsave(&l1sram_lock, flags); - - ret = _sram_free(addr, &free_l1_ssram_head, - &used_l1_ssram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l1sram_lock, flags); - - return ret; -} - -void *l2_sram_alloc(size_t size) -{ -#if L2_LENGTH != 0 - unsigned long flags; - void *addr; - - /* add mutex operation */ - spin_lock_irqsave(&l2_sram_lock, flags); - - addr = _sram_alloc(size, &free_l2_sram_head, - &used_l2_sram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l2_sram_lock, flags); - - pr_debug("Allocated address in l2_sram_alloc is 0x%lx+0x%lx\n", - (long unsigned int)addr, size); - - return addr; -#else - return NULL; -#endif -} -EXPORT_SYMBOL(l2_sram_alloc); - -void *l2_sram_zalloc(size_t size) -{ - void *addr = l2_sram_alloc(size); - - if (addr) - memset(addr, 0x00, size); - - return addr; -} -EXPORT_SYMBOL(l2_sram_zalloc); - -int l2_sram_free(const void *addr) -{ -#if L2_LENGTH != 0 - unsigned long flags; - int ret; - - /* add mutex operation */ - spin_lock_irqsave(&l2_sram_lock, flags); - - ret = _sram_free(addr, &free_l2_sram_head, - &used_l2_sram_head); - - /* add mutex operation */ - spin_unlock_irqrestore(&l2_sram_lock, flags); - - return ret; -#else - return -1; -#endif -} -EXPORT_SYMBOL(l2_sram_free); - -int sram_free_with_lsl(const void *addr) -{ - struct sram_list_struct *lsl, **tmp; - struct mm_struct *mm = current->mm; - - for (tmp = &mm->context.sram_list; *tmp; tmp = &(*tmp)->next) - if ((*tmp)->addr == addr) - goto found; - return -1; -found: - lsl = *tmp; - sram_free(addr); - *tmp = lsl->next; - kfree(lsl); - - return 0; -} -EXPORT_SYMBOL(sram_free_with_lsl); - -void *sram_alloc_with_lsl(size_t size, unsigned long flags) -{ - void *addr = NULL; - struct sram_list_struct *lsl = NULL; - struct mm_struct *mm = current->mm; - - lsl = kzalloc(sizeof(struct sram_list_struct), GFP_KERNEL); - if (!lsl) - return NULL; - - if (flags & L1_INST_SRAM) - addr = l1_inst_sram_alloc(size); - - if (addr == NULL && (flags & L1_DATA_A_SRAM)) - addr = l1_data_A_sram_alloc(size); - - if (addr == NULL && (flags & L1_DATA_B_SRAM)) - addr = l1_data_B_sram_alloc(size); - - if (addr == NULL && (flags & L2_SRAM)) - addr = l2_sram_alloc(size); - - if (addr == NULL) { - kfree(lsl); - return NULL; - } - lsl->addr = addr; - lsl->length = size; - lsl->next = mm->context.sram_list; - mm->context.sram_list = lsl; - return addr; -} -EXPORT_SYMBOL(sram_alloc_with_lsl); - -#ifdef CONFIG_PROC_FS -/* Once we get a real allocator, we'll throw all of this away. - * Until then, we need some sort of visibility into the L1 alloc. - */ -/* Need to keep line of output the same. Currently, that is 44 bytes - * (including newline). - */ -static int _sram_proc_read(char *buf, int *len, int count, const char *desc, - struct sram_piece *pfree_head, - struct sram_piece *pused_head) -{ - struct sram_piece *pslot; - - if (!pfree_head || !pused_head) - return -1; - - *len += sprintf(&buf[*len], "--- SRAM %-14s Size PID State \n", desc); - - /* search the relevant memory slot */ - pslot = pused_head->next; - - while (pslot != NULL) { - *len += sprintf(&buf[*len], "%p-%p %10i %5i %-10s\n", - pslot->paddr, pslot->paddr + pslot->size, - pslot->size, pslot->pid, "ALLOCATED"); - - pslot = pslot->next; - } - - pslot = pfree_head->next; - - while (pslot != NULL) { - *len += sprintf(&buf[*len], "%p-%p %10i %5i %-10s\n", - pslot->paddr, pslot->paddr + pslot->size, - pslot->size, pslot->pid, "FREE"); - - pslot = pslot->next; - } - - return 0; -} -static int sram_proc_read(char *buf, char **start, off_t offset, int count, - int *eof, void *data) -{ - int len = 0; - - if (_sram_proc_read(buf, &len, count, "Scratchpad", - &free_l1_ssram_head, &used_l1_ssram_head)) - goto not_done; -#if L1_DATA_A_LENGTH != 0 - if (_sram_proc_read(buf, &len, count, "L1 Data A", - &free_l1_data_A_sram_head, - &used_l1_data_A_sram_head)) - goto not_done; -#endif -#if L1_DATA_B_LENGTH != 0 - if (_sram_proc_read(buf, &len, count, "L1 Data B", - &free_l1_data_B_sram_head, - &used_l1_data_B_sram_head)) - goto not_done; -#endif -#if L1_CODE_LENGTH != 0 - if (_sram_proc_read(buf, &len, count, "L1 Instruction", - &free_l1_inst_sram_head, &used_l1_inst_sram_head)) - goto not_done; -#endif -#if L2_LENGTH != 0 - if (_sram_proc_read(buf, &len, count, "L2", - &free_l2_sram_head, &used_l2_sram_head)) - goto not_done; -#endif - - *eof = 1; - not_done: - return len; -} - -static int __init sram_proc_init(void) -{ - struct proc_dir_entry *ptr; - ptr = create_proc_entry("sram", S_IFREG | S_IRUGO, NULL); - if (!ptr) { - printk(KERN_WARNING "unable to create /proc/sram\n"); - return -1; - } - ptr->owner = THIS_MODULE; - ptr->read_proc = sram_proc_read; - return 0; -} -late_initcall(sram_proc_init); -#endif diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c new file mode 100644 index 000000000000..0f1ca6930c16 --- /dev/null +++ b/arch/blackfin/mm/sram-alloc.c @@ -0,0 +1,809 @@ +/* + * File: arch/blackfin/mm/sram-alloc.c + * Based on: + * Author: + * + * Created: + * Description: SRAM allocator for Blackfin L1 and L2 memory + * + * Modified: + * Copyright 2004-2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "blackfin_sram.h" + +static spinlock_t l1sram_lock, l1_data_sram_lock, l1_inst_sram_lock; +static spinlock_t l2_sram_lock; + +/* the data structure for L1 scratchpad and DATA SRAM */ +struct sram_piece { + void *paddr; + int size; + pid_t pid; + struct sram_piece *next; +}; + +static struct sram_piece free_l1_ssram_head, used_l1_ssram_head; + +#if L1_DATA_A_LENGTH != 0 +static struct sram_piece free_l1_data_A_sram_head, used_l1_data_A_sram_head; +#endif + +#if L1_DATA_B_LENGTH != 0 +static struct sram_piece free_l1_data_B_sram_head, used_l1_data_B_sram_head; +#endif + +#if L1_CODE_LENGTH != 0 +static struct sram_piece free_l1_inst_sram_head, used_l1_inst_sram_head; +#endif + +#if L2_LENGTH != 0 +static struct sram_piece free_l2_sram_head, used_l2_sram_head; +#endif + +static struct kmem_cache *sram_piece_cache; + +/* L1 Scratchpad SRAM initialization function */ +static void __init l1sram_init(void) +{ + free_l1_ssram_head.next = + kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + if (!free_l1_ssram_head.next) { + printk(KERN_INFO "Failed to initialize Scratchpad data SRAM\n"); + return; + } + + free_l1_ssram_head.next->paddr = (void *)L1_SCRATCH_START; + free_l1_ssram_head.next->size = L1_SCRATCH_LENGTH; + free_l1_ssram_head.next->pid = 0; + free_l1_ssram_head.next->next = NULL; + + used_l1_ssram_head.next = NULL; + + /* mutex initialize */ + spin_lock_init(&l1sram_lock); + + printk(KERN_INFO "Blackfin Scratchpad data SRAM: %d KB\n", + L1_SCRATCH_LENGTH >> 10); +} + +static void __init l1_data_sram_init(void) +{ +#if L1_DATA_A_LENGTH != 0 + free_l1_data_A_sram_head.next = + kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + if (!free_l1_data_A_sram_head.next) { + printk(KERN_INFO "Failed to initialize L1 Data A SRAM\n"); + return; + } + + free_l1_data_A_sram_head.next->paddr = + (void *)L1_DATA_A_START + (_ebss_l1 - _sdata_l1); + free_l1_data_A_sram_head.next->size = + L1_DATA_A_LENGTH - (_ebss_l1 - _sdata_l1); + free_l1_data_A_sram_head.next->pid = 0; + free_l1_data_A_sram_head.next->next = NULL; + + used_l1_data_A_sram_head.next = NULL; + + printk(KERN_INFO "Blackfin L1 Data A SRAM: %d KB (%d KB free)\n", + L1_DATA_A_LENGTH >> 10, + free_l1_data_A_sram_head.next->size >> 10); +#endif +#if L1_DATA_B_LENGTH != 0 + free_l1_data_B_sram_head.next = + kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + if (!free_l1_data_B_sram_head.next) { + printk(KERN_INFO "Failed to initialize L1 Data B SRAM\n"); + return; + } + + free_l1_data_B_sram_head.next->paddr = + (void *)L1_DATA_B_START + (_ebss_b_l1 - _sdata_b_l1); + free_l1_data_B_sram_head.next->size = + L1_DATA_B_LENGTH - (_ebss_b_l1 - _sdata_b_l1); + free_l1_data_B_sram_head.next->pid = 0; + free_l1_data_B_sram_head.next->next = NULL; + + used_l1_data_B_sram_head.next = NULL; + + printk(KERN_INFO "Blackfin L1 Data B SRAM: %d KB (%d KB free)\n", + L1_DATA_B_LENGTH >> 10, + free_l1_data_B_sram_head.next->size >> 10); +#endif + + /* mutex initialize */ + spin_lock_init(&l1_data_sram_lock); +} + +static void __init l1_inst_sram_init(void) +{ +#if L1_CODE_LENGTH != 0 + free_l1_inst_sram_head.next = + kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + if (!free_l1_inst_sram_head.next) { + printk(KERN_INFO "Failed to initialize L1 Instruction SRAM\n"); + return; + } + + free_l1_inst_sram_head.next->paddr = + (void *)L1_CODE_START + (_etext_l1 - _stext_l1); + free_l1_inst_sram_head.next->size = + L1_CODE_LENGTH - (_etext_l1 - _stext_l1); + free_l1_inst_sram_head.next->pid = 0; + free_l1_inst_sram_head.next->next = NULL; + + used_l1_inst_sram_head.next = NULL; + + printk(KERN_INFO "Blackfin L1 Instruction SRAM: %d KB (%d KB free)\n", + L1_CODE_LENGTH >> 10, + free_l1_inst_sram_head.next->size >> 10); +#endif + + /* mutex initialize */ + spin_lock_init(&l1_inst_sram_lock); +} + +static void __init l2_sram_init(void) +{ +#if L2_LENGTH != 0 + free_l2_sram_head.next = + kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + if (!free_l2_sram_head.next) { + printk(KERN_INFO "Failed to initialize L2 SRAM\n"); + return; + } + + free_l2_sram_head.next->paddr = (void *)L2_START + + (_etext_l2 - _stext_l2) + (_edata_l2 - _sdata_l2); + free_l2_sram_head.next->size = L2_LENGTH - + (_etext_l2 - _stext_l2) + (_edata_l2 - _sdata_l2); + free_l2_sram_head.next->pid = 0; + free_l2_sram_head.next->next = NULL; + + used_l2_sram_head.next = NULL; + + printk(KERN_INFO "Blackfin L2 SRAM: %d KB (%d KB free)\n", + L2_LENGTH >> 10, + free_l2_sram_head.next->size >> 10); +#endif + + /* mutex initialize */ + spin_lock_init(&l2_sram_lock); +} +void __init bfin_sram_init(void) +{ + sram_piece_cache = kmem_cache_create("sram_piece_cache", + sizeof(struct sram_piece), + 0, SLAB_PANIC, NULL); + + l1sram_init(); + l1_data_sram_init(); + l1_inst_sram_init(); + l2_sram_init(); +} + +/* SRAM allocate function */ +static void *_sram_alloc(size_t size, struct sram_piece *pfree_head, + struct sram_piece *pused_head) +{ + struct sram_piece *pslot, *plast, *pavail; + + if (size <= 0 || !pfree_head || !pused_head) + return NULL; + + /* Align the size */ + size = (size + 3) & ~3; + + pslot = pfree_head->next; + plast = pfree_head; + + /* search an available piece slot */ + while (pslot != NULL && size > pslot->size) { + plast = pslot; + pslot = pslot->next; + } + + if (!pslot) + return NULL; + + if (pslot->size == size) { + plast->next = pslot->next; + pavail = pslot; + } else { + pavail = kmem_cache_alloc(sram_piece_cache, GFP_KERNEL); + + if (!pavail) + return NULL; + + pavail->paddr = pslot->paddr; + pavail->size = size; + pslot->paddr += size; + pslot->size -= size; + } + + pavail->pid = current->pid; + + pslot = pused_head->next; + plast = pused_head; + + /* insert new piece into used piece list !!! */ + while (pslot != NULL && pavail->paddr < pslot->paddr) { + plast = pslot; + pslot = pslot->next; + } + + pavail->next = pslot; + plast->next = pavail; + + return pavail->paddr; +} + +/* Allocate the largest available block. */ +static void *_sram_alloc_max(struct sram_piece *pfree_head, + struct sram_piece *pused_head, + unsigned long *psize) +{ + struct sram_piece *pslot, *pmax; + + if (!pfree_head || !pused_head) + return NULL; + + pmax = pslot = pfree_head->next; + + /* search an available piece slot */ + while (pslot != NULL) { + if (pslot->size > pmax->size) + pmax = pslot; + pslot = pslot->next; + } + + if (!pmax) + return NULL; + + *psize = pmax->size; + + return _sram_alloc(*psize, pfree_head, pused_head); +} + +/* SRAM free function */ +static int _sram_free(const void *addr, + struct sram_piece *pfree_head, + struct sram_piece *pused_head) +{ + struct sram_piece *pslot, *plast, *pavail; + + if (!pfree_head || !pused_head) + return -1; + + /* search the relevant memory slot */ + pslot = pused_head->next; + plast = pused_head; + + /* search an available piece slot */ + while (pslot != NULL && pslot->paddr != addr) { + plast = pslot; + pslot = pslot->next; + } + + if (!pslot) + return -1; + + plast->next = pslot->next; + pavail = pslot; + pavail->pid = 0; + + /* insert free pieces back to the free list */ + pslot = pfree_head->next; + plast = pfree_head; + + while (pslot != NULL && addr > pslot->paddr) { + plast = pslot; + pslot = pslot->next; + } + + if (plast != pfree_head && plast->paddr + plast->size == pavail->paddr) { + plast->size += pavail->size; + kmem_cache_free(sram_piece_cache, pavail); + } else { + pavail->next = plast->next; + plast->next = pavail; + plast = pavail; + } + + if (pslot && plast->paddr + plast->size == pslot->paddr) { + plast->size += pslot->size; + plast->next = pslot->next; + kmem_cache_free(sram_piece_cache, pslot); + } + + return 0; +} + +int sram_free(const void *addr) +{ + +#if L1_CODE_LENGTH != 0 + if (addr >= (void *)L1_CODE_START + && addr < (void *)(L1_CODE_START + L1_CODE_LENGTH)) + return l1_inst_sram_free(addr); + else +#endif +#if L1_DATA_A_LENGTH != 0 + if (addr >= (void *)L1_DATA_A_START + && addr < (void *)(L1_DATA_A_START + L1_DATA_A_LENGTH)) + return l1_data_A_sram_free(addr); + else +#endif +#if L1_DATA_B_LENGTH != 0 + if (addr >= (void *)L1_DATA_B_START + && addr < (void *)(L1_DATA_B_START + L1_DATA_B_LENGTH)) + return l1_data_B_sram_free(addr); + else +#endif +#if L2_LENGTH != 0 + if (addr >= (void *)L2_START + && addr < (void *)(L2_START + L2_LENGTH)) + return l2_sram_free(addr); + else +#endif + return -1; +} +EXPORT_SYMBOL(sram_free); + +void *l1_data_A_sram_alloc(size_t size) +{ + unsigned long flags; + void *addr = NULL; + + /* add mutex operation */ + spin_lock_irqsave(&l1_data_sram_lock, flags); + +#if L1_DATA_A_LENGTH != 0 + addr = _sram_alloc(size, &free_l1_data_A_sram_head, + &used_l1_data_A_sram_head); +#endif + + /* add mutex operation */ + spin_unlock_irqrestore(&l1_data_sram_lock, flags); + + pr_debug("Allocated address in l1_data_A_sram_alloc is 0x%lx+0x%lx\n", + (long unsigned int)addr, size); + + return addr; +} +EXPORT_SYMBOL(l1_data_A_sram_alloc); + +int l1_data_A_sram_free(const void *addr) +{ + unsigned long flags; + int ret; + + /* add mutex operation */ + spin_lock_irqsave(&l1_data_sram_lock, flags); + +#if L1_DATA_A_LENGTH != 0 + ret = _sram_free(addr, &free_l1_data_A_sram_head, + &used_l1_data_A_sram_head); +#else + ret = -1; +#endif + + /* add mutex operation */ + spin_unlock_irqrestore(&l1_data_sram_lock, flags); + + return ret; +} +EXPORT_SYMBOL(l1_data_A_sram_free); + +void *l1_data_B_sram_alloc(size_t size) +{ +#if L1_DATA_B_LENGTH != 0 + unsigned long flags; + void *addr; + + /* add mutex operation */ + spin_lock_irqsave(&l1_data_sram_lock, flags); + + addr = _sram_alloc(size, &free_l1_data_B_sram_head, + &used_l1_data_B_sram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1_data_sram_lock, flags); + + pr_debug("Allocated address in l1_data_B_sram_alloc is 0x%lx+0x%lx\n", + (long unsigned int)addr, size); + + return addr; +#else + return NULL; +#endif +} +EXPORT_SYMBOL(l1_data_B_sram_alloc); + +int l1_data_B_sram_free(const void *addr) +{ +#if L1_DATA_B_LENGTH != 0 + unsigned long flags; + int ret; + + /* add mutex operation */ + spin_lock_irqsave(&l1_data_sram_lock, flags); + + ret = _sram_free(addr, &free_l1_data_B_sram_head, + &used_l1_data_B_sram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1_data_sram_lock, flags); + + return ret; +#else + return -1; +#endif +} +EXPORT_SYMBOL(l1_data_B_sram_free); + +void *l1_data_sram_alloc(size_t size) +{ + void *addr = l1_data_A_sram_alloc(size); + + if (!addr) + addr = l1_data_B_sram_alloc(size); + + return addr; +} +EXPORT_SYMBOL(l1_data_sram_alloc); + +void *l1_data_sram_zalloc(size_t size) +{ + void *addr = l1_data_sram_alloc(size); + + if (addr) + memset(addr, 0x00, size); + + return addr; +} +EXPORT_SYMBOL(l1_data_sram_zalloc); + +int l1_data_sram_free(const void *addr) +{ + int ret; + ret = l1_data_A_sram_free(addr); + if (ret == -1) + ret = l1_data_B_sram_free(addr); + return ret; +} +EXPORT_SYMBOL(l1_data_sram_free); + +void *l1_inst_sram_alloc(size_t size) +{ +#if L1_CODE_LENGTH != 0 + unsigned long flags; + void *addr; + + /* add mutex operation */ + spin_lock_irqsave(&l1_inst_sram_lock, flags); + + addr = _sram_alloc(size, &free_l1_inst_sram_head, + &used_l1_inst_sram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1_inst_sram_lock, flags); + + pr_debug("Allocated address in l1_inst_sram_alloc is 0x%lx+0x%lx\n", + (long unsigned int)addr, size); + + return addr; +#else + return NULL; +#endif +} +EXPORT_SYMBOL(l1_inst_sram_alloc); + +int l1_inst_sram_free(const void *addr) +{ +#if L1_CODE_LENGTH != 0 + unsigned long flags; + int ret; + + /* add mutex operation */ + spin_lock_irqsave(&l1_inst_sram_lock, flags); + + ret = _sram_free(addr, &free_l1_inst_sram_head, + &used_l1_inst_sram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1_inst_sram_lock, flags); + + return ret; +#else + return -1; +#endif +} +EXPORT_SYMBOL(l1_inst_sram_free); + +/* L1 Scratchpad memory allocate function */ +void *l1sram_alloc(size_t size) +{ + unsigned long flags; + void *addr; + + /* add mutex operation */ + spin_lock_irqsave(&l1sram_lock, flags); + + addr = _sram_alloc(size, &free_l1_ssram_head, + &used_l1_ssram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1sram_lock, flags); + + return addr; +} + +/* L1 Scratchpad memory allocate function */ +void *l1sram_alloc_max(size_t *psize) +{ + unsigned long flags; + void *addr; + + /* add mutex operation */ + spin_lock_irqsave(&l1sram_lock, flags); + + addr = _sram_alloc_max(&free_l1_ssram_head, + &used_l1_ssram_head, psize); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1sram_lock, flags); + + return addr; +} + +/* L1 Scratchpad memory free function */ +int l1sram_free(const void *addr) +{ + unsigned long flags; + int ret; + + /* add mutex operation */ + spin_lock_irqsave(&l1sram_lock, flags); + + ret = _sram_free(addr, &free_l1_ssram_head, + &used_l1_ssram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l1sram_lock, flags); + + return ret; +} + +void *l2_sram_alloc(size_t size) +{ +#if L2_LENGTH != 0 + unsigned long flags; + void *addr; + + /* add mutex operation */ + spin_lock_irqsave(&l2_sram_lock, flags); + + addr = _sram_alloc(size, &free_l2_sram_head, + &used_l2_sram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l2_sram_lock, flags); + + pr_debug("Allocated address in l2_sram_alloc is 0x%lx+0x%lx\n", + (long unsigned int)addr, size); + + return addr; +#else + return NULL; +#endif +} +EXPORT_SYMBOL(l2_sram_alloc); + +void *l2_sram_zalloc(size_t size) +{ + void *addr = l2_sram_alloc(size); + + if (addr) + memset(addr, 0x00, size); + + return addr; +} +EXPORT_SYMBOL(l2_sram_zalloc); + +int l2_sram_free(const void *addr) +{ +#if L2_LENGTH != 0 + unsigned long flags; + int ret; + + /* add mutex operation */ + spin_lock_irqsave(&l2_sram_lock, flags); + + ret = _sram_free(addr, &free_l2_sram_head, + &used_l2_sram_head); + + /* add mutex operation */ + spin_unlock_irqrestore(&l2_sram_lock, flags); + + return ret; +#else + return -1; +#endif +} +EXPORT_SYMBOL(l2_sram_free); + +int sram_free_with_lsl(const void *addr) +{ + struct sram_list_struct *lsl, **tmp; + struct mm_struct *mm = current->mm; + + for (tmp = &mm->context.sram_list; *tmp; tmp = &(*tmp)->next) + if ((*tmp)->addr == addr) + goto found; + return -1; +found: + lsl = *tmp; + sram_free(addr); + *tmp = lsl->next; + kfree(lsl); + + return 0; +} +EXPORT_SYMBOL(sram_free_with_lsl); + +void *sram_alloc_with_lsl(size_t size, unsigned long flags) +{ + void *addr = NULL; + struct sram_list_struct *lsl = NULL; + struct mm_struct *mm = current->mm; + + lsl = kzalloc(sizeof(struct sram_list_struct), GFP_KERNEL); + if (!lsl) + return NULL; + + if (flags & L1_INST_SRAM) + addr = l1_inst_sram_alloc(size); + + if (addr == NULL && (flags & L1_DATA_A_SRAM)) + addr = l1_data_A_sram_alloc(size); + + if (addr == NULL && (flags & L1_DATA_B_SRAM)) + addr = l1_data_B_sram_alloc(size); + + if (addr == NULL && (flags & L2_SRAM)) + addr = l2_sram_alloc(size); + + if (addr == NULL) { + kfree(lsl); + return NULL; + } + lsl->addr = addr; + lsl->length = size; + lsl->next = mm->context.sram_list; + mm->context.sram_list = lsl; + return addr; +} +EXPORT_SYMBOL(sram_alloc_with_lsl); + +#ifdef CONFIG_PROC_FS +/* Once we get a real allocator, we'll throw all of this away. + * Until then, we need some sort of visibility into the L1 alloc. + */ +/* Need to keep line of output the same. Currently, that is 44 bytes + * (including newline). + */ +static int _sram_proc_read(char *buf, int *len, int count, const char *desc, + struct sram_piece *pfree_head, + struct sram_piece *pused_head) +{ + struct sram_piece *pslot; + + if (!pfree_head || !pused_head) + return -1; + + *len += sprintf(&buf[*len], "--- SRAM %-14s Size PID State \n", desc); + + /* search the relevant memory slot */ + pslot = pused_head->next; + + while (pslot != NULL) { + *len += sprintf(&buf[*len], "%p-%p %10i %5i %-10s\n", + pslot->paddr, pslot->paddr + pslot->size, + pslot->size, pslot->pid, "ALLOCATED"); + + pslot = pslot->next; + } + + pslot = pfree_head->next; + + while (pslot != NULL) { + *len += sprintf(&buf[*len], "%p-%p %10i %5i %-10s\n", + pslot->paddr, pslot->paddr + pslot->size, + pslot->size, pslot->pid, "FREE"); + + pslot = pslot->next; + } + + return 0; +} +static int sram_proc_read(char *buf, char **start, off_t offset, int count, + int *eof, void *data) +{ + int len = 0; + + if (_sram_proc_read(buf, &len, count, "Scratchpad", + &free_l1_ssram_head, &used_l1_ssram_head)) + goto not_done; +#if L1_DATA_A_LENGTH != 0 + if (_sram_proc_read(buf, &len, count, "L1 Data A", + &free_l1_data_A_sram_head, + &used_l1_data_A_sram_head)) + goto not_done; +#endif +#if L1_DATA_B_LENGTH != 0 + if (_sram_proc_read(buf, &len, count, "L1 Data B", + &free_l1_data_B_sram_head, + &used_l1_data_B_sram_head)) + goto not_done; +#endif +#if L1_CODE_LENGTH != 0 + if (_sram_proc_read(buf, &len, count, "L1 Instruction", + &free_l1_inst_sram_head, &used_l1_inst_sram_head)) + goto not_done; +#endif +#if L2_LENGTH != 0 + if (_sram_proc_read(buf, &len, count, "L2", + &free_l2_sram_head, &used_l2_sram_head)) + goto not_done; +#endif + + *eof = 1; + not_done: + return len; +} + +static int __init sram_proc_init(void) +{ + struct proc_dir_entry *ptr; + ptr = create_proc_entry("sram", S_IFREG | S_IRUGO, NULL); + if (!ptr) { + printk(KERN_WARNING "unable to create /proc/sram\n"); + return -1; + } + ptr->owner = THIS_MODULE; + ptr->read_proc = sram_proc_read; + return 0; +} +late_initcall(sram_proc_init); +#endif -- cgit v1.2.3 From 5b04f271fe49bb7adb061de454d383c027a18de0 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Wed, 8 Oct 2008 17:32:57 +0800 Subject: Blackfin arch: Modify some funtion names to more genernal ones Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cplbinit.h | 2 +- arch/blackfin/kernel/cplb-mpu/cplbinit.c | 2 +- arch/blackfin/kernel/cplb-nompu/cplbinit.c | 2 +- arch/blackfin/kernel/setup.c | 8 ++++---- arch/blackfin/mach-common/head.S | 2 +- 5 files changed, 8 insertions(+), 8 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index 0eb1c1b685a7..9d23cd1ff7d9 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -90,6 +90,6 @@ extern u_long dpdt_swapcount_table[]; extern unsigned long reserved_mem_dcache_on; extern unsigned long reserved_mem_icache_on; -extern void generate_cpl_tables(void); +extern void generate_cplb_tables(void); #endif diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c index 48060105346a..d4257d0ad6a8 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c @@ -36,7 +36,7 @@ struct cplb_entry dcplb_tbl[MAX_CPLBS]; int first_switched_icplb, first_switched_dcplb; int first_mask_dcplb; -void __init generate_cpl_tables(void) +void __init generate_cplb_tables(void) { int i_d, i_i; unsigned long addr; diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 728f708d3981..2c45c16c3520 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -308,7 +308,7 @@ __fill_data_cplbtab(struct cplb_tab *t, int i, u32 a_start, u32 a_end) } } -void __init generate_cpl_tables(void) +void __init generate_cplb_tables(void) { u16 i, j, process; diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 8e639dc886a3..ea4f60978c66 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -78,10 +78,10 @@ static struct change_member *change_point[2*BFIN_MEMMAP_MAX] __initdata; static struct bfin_memmap_entry *overlap_list[BFIN_MEMMAP_MAX] __initdata; static struct bfin_memmap_entry new_map[BFIN_MEMMAP_MAX] __initdata; -void __init bf53x_cache_init(void) +void __init bfin_cache_init(void) { #if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE) - generate_cpl_tables(); + generate_cplb_tables(); #endif #ifdef CONFIG_BFIN_ICACHE @@ -101,7 +101,7 @@ void __init bf53x_cache_init(void) #endif } -void __init bf53x_relocate_l1_mem(void) +void __init bfin_relocate_l1_mem(void) { unsigned long l1_code_length; unsigned long l1_data_a_length; @@ -860,7 +860,7 @@ void __init setup_arch(char **cmdline_p) != SAFE_USER_INSTRUCTION - FIXED_CODE_START); init_exception_vectors(); - bf53x_cache_init(); + bfin_cache_init(); } static int __init topology_init(void) diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index 7cb21cfcbf28..eb9eef0e23b7 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -141,7 +141,7 @@ ENTRY(__start) #endif /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */ - call _bf53x_relocate_l1_mem; + call _bfin_relocate_l1_mem; #ifdef CONFIG_BFIN_KERNEL_CLOCK call _start_dma_code; #endif -- cgit v1.2.3 From 7eb2c23f602ab35c5f4227bc87945a3c78a14150 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 8 Oct 2008 17:39:02 +0800 Subject: Blackfin arch: fix merge errors during 2.6.26 upgrade Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 9d936a3986c8..a837bb6e7bbd 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -375,14 +375,6 @@ config SCLK_DIV This can be between 1 and 15 System Clock = (PLL frequency) / (this setting) -config MAX_MEM_SIZE - int "Max SDRAM Memory Size in MBytes" - depends on !MPU - default 512 - help - This is the max memory size that the kernel will create CPLB - tables for. Your system will not be able to handle any more. - choice prompt "DDR SDRAM Chip Type" depends on BFIN_KERNEL_CLOCK @@ -396,6 +388,14 @@ config MEM_MT46V32M16_5B bool "MT46V32M16_5B" endchoice +config MAX_MEM_SIZE + int "Max SDRAM Memory Size in MBytes" + depends on !MPU + default 512 + help + This is the max memory size that the kernel will create CPLB + tables for. Your system will not be able to handle any more. + # # Max & Min Speeds for various Chips # @@ -462,8 +462,6 @@ config CYCLES_CLOCKSOURCE source kernel/time/Kconfig -comment "Memory Setup" - comment "Misc" choice -- cgit v1.2.3 From 9df10281e1c03b1c04d17f387bc59eb932c0bb87 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Wed, 8 Oct 2008 18:03:33 +0800 Subject: Blackfin arch: Use DTEST rather than DMA to poke at L1 SRAM during exception context Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfin-global.h | 2 + arch/blackfin/kernel/traps.c | 3 +- arch/blackfin/mach-common/head.S | 10 ++ arch/blackfin/mm/Makefile | 2 +- arch/blackfin/mm/isram-driver.c | 201 ++++++++++++++++++++++++++++++++ 5 files changed, 215 insertions(+), 3 deletions(-) create mode 100644 arch/blackfin/mm/isram-driver.c (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index 7ba70de66f2b..e1f9cbd00a09 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -92,6 +92,8 @@ extern int sram_free(const void*); extern void *sram_alloc_with_lsl(size_t, unsigned long); extern int sram_free_with_lsl(const void*); +extern void *isram_memcpy(void *dest, const void *src, size_t n); + extern const char bfin_board_name[]; extern unsigned long bfin_sic_iwr[]; diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 0112ba407f63..89cff2c7e8b1 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -40,7 +40,6 @@ #include #include #include -#include #ifdef CONFIG_KGDB # include @@ -632,7 +631,7 @@ bool get_instruction(unsigned short *val, unsigned short *address) #if L1_CODE_LENGTH != 0 if (addr >= L1_CODE_START && (addr + 2) <= (L1_CODE_START + L1_CODE_LENGTH)) { - dma_memcpy(val, address, 2); + isram_memcpy(val, address, 2); return true; } #endif diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index eb9eef0e23b7..3069df580729 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -68,6 +68,16 @@ ENTRY(__start) M2 = r0; M3 = r0; + /* + * Clear ITEST_COMMAND and DTEST_COMMAND registers, + * Leaving these as non-zero can confuse the emulator + */ + p0.L = LO(DTEST_COMMAND); + p0.H = HI(DTEST_COMMAND); + [p0] = R0; + [p0 + (ITEST_COMMAND - DTEST_COMMAND)] = R0; + CSYNC; + trace_buffer_init(p0,r0); P0 = R1; R0 = R1; diff --git a/arch/blackfin/mm/Makefile b/arch/blackfin/mm/Makefile index 81aacbc32d3c..d489f894f4b1 100644 --- a/arch/blackfin/mm/Makefile +++ b/arch/blackfin/mm/Makefile @@ -2,4 +2,4 @@ # arch/blackfin/mm/Makefile # -obj-y := sram-alloc.o init.o +obj-y := sram-alloc.o isram-driver.o init.o diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c new file mode 100644 index 000000000000..22913e7a1818 --- /dev/null +++ b/arch/blackfin/mm/isram-driver.c @@ -0,0 +1,201 @@ +/* + * Description: Instruction SRAM accessor functions for the Blackfin + * + * Copyright 2008 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include + +#include + +/* + * IMPORTANT WARNING ABOUT THESE FUNCTIONS + * + * The emulator will not function correctly if a write command is left in + * ITEST_COMMAND or DTEST_COMMAND AND access to cache memory is needed by + * the emulator. To avoid such problems, ensure that both ITEST_COMMAND + * and DTEST_COMMAND are zero when exiting these functions. + */ + + +/* + * On the Blackfin, L1 instruction sram (which operates at core speeds) can not + * be accessed by a normal core load, so we need to go through a few hoops to + * read/write it. + * To try to make it easier - we export a memcpy interface, where either src or + * dest can be in this special L1 memory area. + * The low level read/write functions should not be exposed to the rest of the + * kernel, since they operate on 64-bit data, and need specific address alignment + */ + +static DEFINE_SPINLOCK(dtest_lock); + +/* Takes a void pointer */ +#define IADDR2DTEST(x) \ + ({ unsigned long __addr = (unsigned long)(x); \ + (__addr & 0x47F8) | /* address bits 14 & 10:3 */ \ + (__addr & 0x0800) << 15 | /* address bit 11 */ \ + (__addr & 0x3000) << 4 | /* address bits 13:12 */ \ + (__addr & 0x8000) << 8 | /* address bit 15 */ \ + (0x1000004); /* isram access */ \ + }) + +/* Takes a pointer, and returns the offset (in bits) which things should be shifted */ +#define ADDR2OFFSET(x) ((((unsigned long)(x)) & 0x7) * 8) + +/* Takes a pointer, determines if it is the last byte in the isram 64-bit data type */ +#define ADDR2LAST(x) ((((unsigned long)x) & 0x7) == 0x7) + +static void isram_write(const void *addr, uint64_t data) +{ + uint32_t cmd; + unsigned long flags; + + if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) + return; + + cmd = IADDR2DTEST(addr) | 1; /* write */ + + /* + * Writes to DTEST_DATA[0:1] need to be atomic with write to DTEST_COMMAND + * While in exception context - atomicity is guaranteed or double fault + */ + spin_lock_irqsave(&dtest_lock, flags); + + bfin_write_DTEST_DATA0(data & 0xFFFFFFFF); + bfin_write_DTEST_DATA1(data >> 32); + + /* use the builtin, since interrupts are already turned off */ + __builtin_bfin_csync(); + bfin_write_DTEST_COMMAND(cmd); + __builtin_bfin_csync(); + + bfin_write_DTEST_COMMAND(0); + __builtin_bfin_csync(); + + spin_unlock_irqrestore(&dtest_lock, flags); +} + +static uint64_t isram_read(const void *addr) +{ + uint32_t cmd; + unsigned long flags; + uint64_t ret; + + if (addr > (void *)(L1_CODE_START + L1_CODE_LENGTH)) + return 0; + + cmd = IADDR2DTEST(addr) | 0; /* read */ + + /* + * Reads of DTEST_DATA[0:1] need to be atomic with write to DTEST_COMMAND + * While in exception context - atomicity is guaranteed or double fault + */ + spin_lock_irqsave(&dtest_lock, flags); + /* use the builtin, since interrupts are already turned off */ + __builtin_bfin_csync(); + bfin_write_DTEST_COMMAND(cmd); + __builtin_bfin_csync(); + ret = bfin_read_DTEST_DATA0() | ((uint64_t)bfin_read_DTEST_DATA1() << 32); + + bfin_write_DTEST_COMMAND(0); + __builtin_bfin_csync(); + spin_unlock_irqrestore(&dtest_lock, flags); + + return ret; +} + +static bool isram_check_addr(const void *addr, size_t n) +{ + if ((addr >= (void *)L1_CODE_START) && + (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) { + if ((addr + n) >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) { + show_stack(NULL, NULL); + printk(KERN_ERR "isram_memcpy: copy involving %p length " + "(%zu) too long\n", addr, n); + } + return true; + } + return false; +} + +/* + * The isram_memcpy() function copies n bytes from memory area src to memory area dest. + * The isram_memcpy() function returns a pointer to dest. + * Either dest or src can be in L1 instruction sram. + */ +void *isram_memcpy(void *dest, const void *src, size_t n) +{ + uint64_t data_in = 0, data_out = 0; + size_t count; + bool dest_in_l1, src_in_l1, need_data, put_data; + unsigned char byte, *src_byte, *dest_byte; + + src_byte = (unsigned char *)src; + dest_byte = (unsigned char *)dest; + + dest_in_l1 = isram_check_addr(dest, n); + src_in_l1 = isram_check_addr(src, n); + + need_data = true; + put_data = true; + for (count = 0; count < n; count++) { + if (src_in_l1) { + if (need_data) { + data_in = isram_read(src + count); + need_data = false; + } + + if (ADDR2LAST(src + count)) + need_data = true; + + byte = (unsigned char)((data_in >> ADDR2OFFSET(src + count)) & 0xff); + + } else { + /* src is in L2 or L3 - so just dereference*/ + byte = src_byte[count]; + } + + if (dest_in_l1) { + if (put_data) { + data_out = isram_read(dest + count); + put_data = false; + } + + data_out &= ~((uint64_t)0xff << ADDR2OFFSET(dest + count)); + data_out |= ((uint64_t)byte << ADDR2OFFSET(dest + count)); + + if (ADDR2LAST(dest + count)) { + put_data = true; + isram_write(dest + count, data_out); + } + } else { + /* dest in L2 or L3 - so just dereference */ + dest_byte[count] = byte; + } + } + + /* make sure we dump the last byte if necessary */ + if (dest_in_l1 && !put_data) + isram_write(dest + count, data_out); + + return dest; +} +EXPORT_SYMBOL(isram_memcpy); + -- cgit v1.2.3 From bfd15117aeafcc42033cf5179cc15f4bd8bce957 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Wed, 8 Oct 2008 18:02:44 +0800 Subject: Blackfin arch: Not call generic set_irq_handler() in bfin_gpio_irq_type() due to spinlock recursion Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/ints-priority.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index f65b3a13a8c3..34e8a726ffda 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -364,6 +364,14 @@ static void bfin_demux_error_irq(unsigned int int_err_irq, } #endif /* BF537_GENERIC_ERROR_INT_DEMUX */ +static inline void bfin_set_irq_handler(unsigned irq, irq_flow_handler_t handle) +{ + struct irq_desc *desc = irq_desc + irq; + /* May not call generic set_irq_handler() due to spinlock + recursion. */ + desc->handle_irq = handle; +} + #if !defined(CONFIG_BF54x) static unsigned short gpio_enabled[gpio_bank(MAX_BLACKFIN_GPIOS)]; @@ -476,9 +484,9 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) SSYNC(); if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) - set_irq_handler(irq, handle_edge_irq); + bfin_set_irq_handler(irq, handle_edge_irq); else - set_irq_handler(irq, handle_level_irq); + bfin_set_irq_handler(irq, handle_level_irq); return 0; } @@ -808,10 +816,10 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) { pint[bank]->edge_set = pintbit; - set_irq_handler(irq, handle_edge_irq); + bfin_set_irq_handler(irq, handle_edge_irq); } else { pint[bank]->edge_clear = pintbit; - set_irq_handler(irq, handle_level_irq); + bfin_set_irq_handler(irq, handle_level_irq); } SSYNC(); -- cgit v1.2.3 From 3343c1d4482b27a444e76bf53d16df4a6f30b873 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Thu, 9 Oct 2008 11:11:11 +0800 Subject: Blackfin arch: Fix BUG: anomaly_threshold is used with ANOMALY_05000363 Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h | 2 +- arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h index ebf592b59aab..993464ee93c3 100644 --- a/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf533/include/mach/bfin_serial_5xx.h @@ -83,7 +83,7 @@ struct bfin_serial_port { unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; #else -# if ANOMALY_05000230 +# if ANOMALY_05000363 unsigned int anomaly_threshold; # endif #endif diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h index 8aa02780e642..8552a67654c8 100644 --- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h +++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h @@ -83,7 +83,7 @@ struct bfin_serial_port { unsigned int rx_dma_channel; struct work_struct tx_dma_workqueue; #else -# if ANOMALY_05000230 +# if ANOMALY_05000363 unsigned int anomaly_threshold; # endif #endif -- cgit v1.2.3 From 202d7bd95cf5ca36199e5777c961eae62a74667c Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Thu, 9 Oct 2008 11:59:46 +0800 Subject: Blackfin arch: Make sure we program the correct values in only when necessary for MUSB driver Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/include/mach/anomaly.h | 2 ++ arch/blackfin/mach-bf548/include/mach/anomaly.h | 2 ++ 2 files changed, 4 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf527/include/mach/anomaly.h b/arch/blackfin/mach-bf527/include/mach/anomaly.h index b7b166f4f064..dc26912430ee 100644 --- a/arch/blackfin/mach-bf527/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf527/include/mach/anomaly.h @@ -37,6 +37,8 @@ #define ANOMALY_05000342 (1) /* USB Calibration Value Is Not Initialized */ #define ANOMALY_05000346 (1) +/* USB Calibration Value to use */ +#define ANOMALY_05000346_value 0xE510 /* Preboot Routine Incorrectly Alters Reset Value of USB Register */ #define ANOMALY_05000347 (1) /* Security Features Are Not Functional */ diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h index 3ad59655881a..d02cd8038285 100644 --- a/arch/blackfin/mach-bf548/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h @@ -61,6 +61,8 @@ #define ANOMALY_05000344 (__SILICON_REVISION__ < 1) /* USB Calibration Value Is Not Intialized */ #define ANOMALY_05000346 (__SILICON_REVISION__ < 1) +/* USB Calibration Value to use */ +#define ANOMALY_05000346_value 0x5411 /* Boot ROM Kernel Incorrectly Alters Reset Value of USB Register */ #define ANOMALY_05000347 (__SILICON_REVISION__ < 1) /* Data Lost when Core Reads SDH Data FIFO */ -- cgit v1.2.3 From cd88b4dca85d0e46db3d0aadd748037a10ebbfc1 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 12:03:22 +0800 Subject: Blackfin arch: BF561 is supported, no longer a work in progress Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index a837bb6e7bbd..423ecfb9e914 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -162,7 +162,7 @@ config BF549 config BF561 bool "BF561" help - Not Supported Yet - Work in progress - BF561 Processor Support. + BF561 Processor Support. endchoice -- cgit v1.2.3 From 46ce0d9a361b7b3de9a1c8dce1f2b636e395ab9e Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 12:05:31 +0800 Subject: Blackfin arch: fix default silicon rev selection so it works for all supported parts Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 423ecfb9e914..b5027f575e02 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -168,10 +168,9 @@ endchoice choice prompt "Silicon Rev" - default BF_REV_0_1 if BF527 - default BF_REV_0_2 if BF537 - default BF_REV_0_3 if BF533 - default BF_REV_0_0 if BF549 + default BF_REV_0_1 if (BF52x || BF54x) + default BF_REV_0_2 if (BF534 || BF536 || BF537) + default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF561) config BF_REV_0_0 bool "0.0" -- cgit v1.2.3 From 49f7253cc9a5002c3f2aef4ab96df62204ac7052 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 12:06:27 +0800 Subject: Blackfin arch: add support for BF52x-0.2, BF533-0.6, and BF54x-0.2 Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 6 +++++- arch/blackfin/Makefile | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index b5027f575e02..554ac5827c1d 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -182,7 +182,7 @@ config BF_REV_0_1 config BF_REV_0_2 bool "0.2" - depends on (BF537 || BF536 || BF534) + depends on (BF52x || BF537 || BF536 || BF534 || BF54x) config BF_REV_0_3 bool "0.3" @@ -196,6 +196,10 @@ config BF_REV_0_5 bool "0.5" depends on (BF561 || BF533 || BF532 || BF531) +config BF_REV_0_6 + bool "0.6" + depends on (BF533 || BF532 || BF531) + config BF_REV_ANY bool "any" diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile index eac0533d6e4f..6bf50977850c 100644 --- a/arch/blackfin/Makefile +++ b/arch/blackfin/Makefile @@ -67,6 +67,7 @@ rev-$(CONFIG_BF_REV_0_2) := 0.2 rev-$(CONFIG_BF_REV_0_3) := 0.3 rev-$(CONFIG_BF_REV_0_4) := 0.4 rev-$(CONFIG_BF_REV_0_5) := 0.5 +rev-$(CONFIG_BF_REV_0_6) := 0.6 rev-$(CONFIG_BF_REV_NONE) := none rev-$(CONFIG_BF_REV_ANY) := any -- cgit v1.2.3 From 5e9e7687cbc016ac36b6825f79d78213319331d9 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Thu, 9 Oct 2008 12:31:03 +0800 Subject: Blackfin arch: Fix BUG -- BF533 + 0.5 silicon + MPU + UART PIO -> crash Apply ANOMALY_05000283 & ANOMALY_05000315 Workaround also to the EXCEPTION path. Cover evt_ivhw also with ANOMALY_05000315 The Workaround needs to be prior to accesses (either read or write) to any system MMR. Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/entry.S | 18 ++++++++++++++++++ arch/blackfin/mach-common/interrupt.S | 2 +- 2 files changed, 19 insertions(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 5a219b228de3..76c42d3b5e85 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -484,6 +484,15 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/ [--sp] = ASTAT; [--sp] = (R7:6,P5:4); +#if ANOMALY_05000283 || ANOMALY_05000315 + cc = r7 == r7; + p5.h = HI(CHIPID); + p5.l = LO(CHIPID); + if cc jump 1f; + r7.l = W[p5]; +1: +#endif + #ifdef CONFIG_DEBUG_DOUBLEFAULT /* * Save these registers, as they are only valid in exception context @@ -1020,6 +1029,15 @@ ENTRY(_early_trap) SAVE_ALL_SYS trace_buffer_stop(p0,r0); +#if ANOMALY_05000283 || ANOMALY_05000315 + cc = r5 == r5; + p4.h = HI(CHIPID); + p4.l = LO(CHIPID); + if cc jump 1f; + r5.l = W[p4]; +1: +#endif + /* Turn caches off, to ensure we don't get double exceptions */ P4.L = LO(IMEM_CONTROL); diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index b27e59d32401..647f0f522910 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -143,7 +143,7 @@ ENTRY(_evt_ivhw) fp = 0; #endif -#if ANOMALY_05000283 +#if ANOMALY_05000283 || ANOMALY_05000315 cc = r7 == r7; p5.h = HI(CHIPID); p5.l = LO(CHIPID); -- cgit v1.2.3 From 27707d3e43e3a9c53e75cd7769f3ef74b1d56625 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 9 Oct 2008 14:04:41 +0800 Subject: Blackfin arch: Fix bug - kernel build with config kernel debugging with remote gdb fails Add some comment and fix duplicated VEC_EXCPT02 Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/kernel/traps.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 89cff2c7e8b1..1a3c4daf557a 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -284,15 +284,6 @@ asmlinkage void trap_c(struct pt_regs *fp) return; else break; -#ifdef CONFIG_KGDB - case VEC_EXCPT02 : /* gdb connection */ - info.si_code = TRAP_ILLTRAP; - sig = SIGTRAP; - CHK_DEBUGGER_TRAP(); - return; -#else - /* 0x02 - User Defined, Caught by default */ -#endif /* 0x03 - User Defined, userspace stack overflow */ case VEC_EXCPT03: info.si_code = SEGV_STACKFLOW; @@ -300,6 +291,14 @@ asmlinkage void trap_c(struct pt_regs *fp) printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; + /* 0x02 - KGDB initial connection and break signal trap */ + case VEC_EXCPT02: +#ifdef CONFIG_KGDB + info.si_code = TRAP_ILLTRAP; + sig = SIGTRAP; + CHK_DEBUGGER_TRAP(); + return; +#endif /* 0x04 - User Defined */ /* 0x05 - User Defined */ /* 0x06 - User Defined */ @@ -312,11 +311,9 @@ asmlinkage void trap_c(struct pt_regs *fp) /* 0x0D - User Defined */ /* 0x0E - User Defined */ /* 0x0F - User Defined */ - /* - * If we got here, it is most likely that someone was trying to use a + /* If we got here, it is most likely that someone was trying to use a * custom exception handler, and it is not actually installed properly */ - case VEC_EXCPT02: case VEC_EXCPT04 ... VEC_EXCPT15: info.si_code = ILL_ILLPARAOP; sig = SIGILL; -- cgit v1.2.3 From 8606801b0361e0f8520892c9bf524df89c35e690 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 9 Oct 2008 13:55:33 +0800 Subject: Blackfin arch: flags of UART3 mem resource is missing Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/boards/cm_bf548.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index c5609ff805f8..24192aaa9275 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -172,6 +172,7 @@ static struct resource bfin_uart_resources[] = { { .start = 0xFFC03100, .end = 0xFFC031FF, + .flags = IORESOURCE_MEM, }, #endif }; -- cgit v1.2.3 From f099f39acf7575eff3dee3c562cec4e592876c33 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 9 Oct 2008 14:11:57 +0800 Subject: Blackfin arch: Make L2 SRAM cacheable Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 7 +++++++ arch/blackfin/include/asm/cplb.h | 8 +++++++- arch/blackfin/kernel/cplb-mpu/cplbinit.c | 10 ++++++++++ arch/blackfin/kernel/cplb-nompu/cplbinit.c | 4 ++-- 4 files changed, 26 insertions(+), 3 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 554ac5827c1d..10c97efbd91f 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -772,6 +772,13 @@ config BFIN_WT endchoice +config BFIN_L2_CACHEABLE + bool "Cache L2 SRAM" + depends on (BFIN_DCACHE || BFIN_ICACHE) && (BF54x || BF561) + default n + help + Select to make L2 SRAM cacheable in L1 data and instruction cache. + config MPU bool "Enable the memory protection unit (EXPERIMENTAL)" default n diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h index 05d6f05fb748..9e8b4035fcec 100644 --- a/arch/blackfin/include/asm/cplb.h +++ b/arch/blackfin/include/asm/cplb.h @@ -55,7 +55,13 @@ #endif #define L1_DMEMORY (CPLB_LOCK | CPLB_COMMON) -#define L2_MEMORY (CPLB_COMMON) +#ifdef CONFIG_BFIN_L2_CACHEABLE +#define L2_IMEMORY (SDRAM_IGENERIC) +#define L2_DMEMORY (SDRAM_DGENERIC) +#else +#define L2_IMEMORY (CPLB_COMMON) +#define L2_DMEMORY (CPLB_COMMON) +#endif #define SDRAM_DNON_CHBL (CPLB_COMMON) #define SDRAM_EBIU (CPLB_COMMON) #define SDRAM_OOPS (CPLB_VALID | ANOMALY_05000158_WORKAROUND | CPLB_LOCK | CPLB_DIRTY) diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c index d4257d0ad6a8..55af729f8495 100644 --- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c @@ -83,8 +83,18 @@ void __init generate_cplb_tables(void) dcplb_tbl[i_d].addr = L1_DATA_A_START; dcplb_tbl[i_d++].data = L1_DMEMORY | PAGE_SIZE_4MB; #endif +#if L1_CODE_LENGTH > 0 icplb_tbl[i_i].addr = L1_CODE_START; icplb_tbl[i_i++].data = L1_IMEMORY | PAGE_SIZE_4MB; +#endif + + /* Cover L2 memory */ +#if L2_LENGTH > 0 + dcplb_tbl[i_d].addr = L2_START; + dcplb_tbl[i_d++].data = L2_DMEMORY | PAGE_SIZE_1MB; + icplb_tbl[i_i].addr = L2_START; + icplb_tbl[i_i++].data = L2_IMEMORY | PAGE_SIZE_1MB; +#endif first_mask_dcplb = i_d; first_switched_dcplb = i_d + (1 << page_mask_order); diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c index 2c45c16c3520..301252e84441 100644 --- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c +++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c @@ -168,8 +168,8 @@ static struct cplb_desc cplb_data[] = { .end = L2_START + L2_LENGTH, .psize = SIZE_1M, .attr = SWITCH_T | I_CPLB | D_CPLB, - .i_conf = L2_MEMORY, - .d_conf = L2_MEMORY, + .i_conf = L2_IMEMORY, + .d_conf = L2_DMEMORY, .valid = (L2_LENGTH > 0), .name = "L2 Memory", }, -- cgit v1.2.3 From dd4354fa51f6379fb3ac98ba9377ca5895f50497 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Thu, 9 Oct 2008 14:17:47 +0800 Subject: Blackfin arch: fix define error in BF561 memory map macros Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf561/include/mach/mem_map.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf561/include/mach/mem_map.h b/arch/blackfin/mach-bf561/include/mach/mem_map.h index 9d6674ad1e5e..f1d4c0637bd2 100644 --- a/arch/blackfin/mach-bf561/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf561/include/mach/mem_map.h @@ -35,14 +35,14 @@ /* Memory Map for ADSP-BF561 processors */ #ifdef CONFIG_BF561 -#define COREA_L1_CODE_START 0xFFA00000 +#define COREA_L1_CODE_START 0xFFA00000 #define COREA_L1_DATA_A_START 0xFF800000 #define COREA_L1_DATA_B_START 0xFF900000 -#define COREB_L1_CODE_START 0xFF600000 -#define COREB_L1_DATA_A_START 0xFF500000 -#define COREB_L1_DATA_B_START 0xFF400000 +#define COREB_L1_CODE_START 0xFF600000 +#define COREB_L1_DATA_A_START 0xFF400000 +#define COREB_L1_DATA_B_START 0xFF500000 -#define L1_CODE_START COREA_L1_CODE_START +#define L1_CODE_START COREA_L1_CODE_START #define L1_DATA_A_START COREA_L1_DATA_A_START #define L1_DATA_B_START COREA_L1_DATA_B_START -- cgit v1.2.3 From dabaad5b90dec6909c984d95330f6f41c325f9a8 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:17:36 +0800 Subject: Blackfin arch: fix bug -- PTRACE_PEEKDATA does not seem to work which breaks umoven() in strace Don't add arbitrary offset when peeking at data Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 66 ++++++++++++++++++++----------------------- 1 file changed, 31 insertions(+), 35 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index bf1a51d8e608..9ce80d05e2c9 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -46,7 +46,6 @@ #include #include -#define MAX_SHARED_LIBS 3 #define TEXT_OFFSET 0 /* * does not yet catch signals sent when the child dies. @@ -192,14 +191,12 @@ void ptrace_disable(struct task_struct *child) long arch_ptrace(struct task_struct *child, long request, long addr, long data) { int ret; - int add = 0; unsigned long __user *datap = (unsigned long __user *)data; switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKDATA: pr_debug("ptrace: PEEKDATA\n"); - add = MAX_SHARED_LIBS * 4; /* space between text and data */ /* fall through */ case PTRACE_PEEKTEXT: /* read word at location addr. */ { @@ -207,39 +204,38 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int copied; ret = -EIO; - pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + add %d %ld\n", addr, add, - sizeof(data)); - if (is_user_addr_valid(child, addr + add, sizeof(tmp)) < 0) + pr_debug("ptrace: PEEKTEXT at addr 0x%08lx + %ld\n", addr, sizeof(data)); + if (is_user_addr_valid(child, addr, sizeof(tmp)) < 0) break; pr_debug("ptrace: user address is valid\n"); #if L1_CODE_LENGTH != 0 - if (addr + add >= L1_CODE_START - && addr + add + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { - safe_dma_memcpy (&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= L1_CODE_START + && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { + safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else #endif #if L1_DATA_A_LENGTH != 0 - if (addr + add >= L1_DATA_A_START - && addr + add + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= L1_DATA_A_START + && addr + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else #endif #if L1_DATA_B_LENGTH != 0 - if (addr + add >= L1_DATA_B_START - && addr + add + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= L1_DATA_B_START + && addr + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else #endif - if (addr + add >= FIXED_CODE_START - && addr + add + sizeof(tmp) <= FIXED_CODE_END) { - memcpy(&tmp, (const void *)(addr + add), sizeof(tmp)); + if (addr >= FIXED_CODE_START + && addr + sizeof(tmp) <= FIXED_CODE_END) { + memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); } else - copied = access_process_vm(child, addr + add, &tmp, + copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp); if (copied != sizeof(tmp)) @@ -291,39 +287,39 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int copied; ret = -EIO; - pr_debug("ptrace: POKETEXT at addr 0x%08lx + add %d %ld bytes %lx\n", - addr, add, sizeof(data), data); - if (is_user_addr_valid(child, addr + add, sizeof(data)) < 0) + pr_debug("ptrace: POKETEXT at addr 0x%08lx + %ld bytes %lx\n", + addr, sizeof(data), data); + if (is_user_addr_valid(child, addr, sizeof(data)) < 0) break; pr_debug("ptrace: user address is valid\n"); #if L1_CODE_LENGTH != 0 - if (addr + add >= L1_CODE_START - && addr + add + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { - safe_dma_memcpy ((void *)(addr + add), &data, sizeof(data)); + if (addr >= L1_CODE_START + && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { + safe_dma_memcpy ((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else #endif #if L1_DATA_A_LENGTH != 0 - if (addr + add >= L1_DATA_A_START - && addr + add + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { - memcpy((void *)(addr + add), &data, sizeof(data)); + if (addr >= L1_DATA_A_START + && addr + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else #endif #if L1_DATA_B_LENGTH != 0 - if (addr + add >= L1_DATA_B_START - && addr + add + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { - memcpy((void *)(addr + add), &data, sizeof(data)); + if (addr >= L1_DATA_B_START + && addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else #endif - if (addr + add >= FIXED_CODE_START - && addr + add + sizeof(data) <= FIXED_CODE_END) { - memcpy((void *)(addr + add), &data, sizeof(data)); + if (addr >= FIXED_CODE_START + && addr + sizeof(data) <= FIXED_CODE_END) { + memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); } else - copied = access_process_vm(child, addr + add, &data, + copied = access_process_vm(child, addr, &data, sizeof(data), 1); pr_debug("ptrace: copied size %d\n", copied); if (copied != sizeof(data)) -- cgit v1.2.3 From d3ab3a62f57f3aaeed5a7e2ef136937ffd16448a Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:19:50 +0800 Subject: Blackfin arch: ptrace - cleanup debug messages and style Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 9ce80d05e2c9..b3f4ac792cf1 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -280,7 +280,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKEDATA: - printk(KERN_NOTICE "ptrace: PTRACE_PEEKDATA\n"); + pr_debug("ptrace: PTRACE_PEEKDATA\n"); /* fall through */ case PTRACE_POKETEXT: /* write the word at location addr. */ { @@ -351,7 +351,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) { /* restart after signal. */ long tmp; - pr_debug("ptrace_cont\n"); + pr_debug("ptrace: syscall/cont\n"); ret = -EIO; if (!valid_signal(data)) @@ -365,7 +365,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* make sure the single step bit is not set. */ tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); put_reg(child, PT_SYSCFG, tmp); - pr_debug("before wake_up_process\n"); + pr_debug("ptrace: before wake_up_process\n"); wake_up_process(child); ret = 0; break; @@ -394,7 +394,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) { /* set the trap flag. */ long tmp; - pr_debug("single step\n"); + pr_debug("ptrace: single step\n"); ret = -EIO; if (!valid_signal(data)) break; @@ -411,21 +411,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } case PTRACE_GETREGS: - { - - /* Get all gp regs from the child. */ - ret = ptrace_getregs(child, datap); - break; - } + /* Get all gp regs from the child. */ + ret = ptrace_getregs(child, datap); + break; case PTRACE_SETREGS: - { - printk(KERN_NOTICE - "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n"); - /* Set all gp regs in the child. */ - ret = 0; - break; - } + printk(KERN_WARNING "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n"); + /* Set all gp regs in the child. */ + ret = 0; + break; + default: ret = ptrace_request(child, request, addr, data); break; @@ -436,7 +431,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) asmlinkage void syscall_trace(void) { - if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; -- cgit v1.2.3 From cb4c173d94e90f9d8c7b621d1a8dfc8b741874a2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:21:05 +0800 Subject: Blackfin arch: use existing ptrace_disable() func to clear TRACE_BITS and create the opposite ptrace_enable() Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 87 ++++++++++++++++++------------------------- 1 file changed, 37 insertions(+), 50 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index b3f4ac792cf1..e8172eece047 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -175,6 +175,13 @@ static inline int is_user_addr_valid(struct task_struct *child, return -EIO; } +void ptrace_enable(struct task_struct *child) +{ + unsigned long tmp; + tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS); + put_reg(child, PT_SYSCFG, tmp); +} + /* * Called by kernel/ptrace.c when detaching.. * @@ -347,29 +354,22 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: - { /* restart after signal. */ - long tmp; - - pr_debug("ptrace: syscall/cont\n"); + case PTRACE_CONT: /* restart after signal. */ + pr_debug("ptrace: syscall/cont\n"); - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - child->exit_code = data; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); - pr_debug("ptrace: before wake_up_process\n"); - wake_up_process(child); - ret = 0; + ret = -EIO; + if (!valid_signal(data)) break; - } + if (request == PTRACE_SYSCALL) + set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + else + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + child->exit_code = data; + ptrace_disable(child); + pr_debug("ptrace: before wake_up_process\n"); + wake_up_process(child); + ret = 0; + break; /* * make the child exit. Best I can do is send it a sigkill. @@ -377,38 +377,25 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) * exit. */ case PTRACE_KILL: - { - long tmp; - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SYSCFG) & ~(TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); - wake_up_process(child); + ret = 0; + if (child->exit_state == EXIT_ZOMBIE) /* already dead */ break; - } - - case PTRACE_SINGLESTEP: - { /* set the trap flag. */ - long tmp; - - pr_debug("ptrace: single step\n"); - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - - tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS); - put_reg(child, PT_SYSCFG, tmp); + child->exit_code = SIGKILL; + ptrace_disable(child); + wake_up_process(child); + break; - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; + case PTRACE_SINGLESTEP: /* set the trap flag. */ + pr_debug("ptrace: single step\n"); + ret = -EIO; + if (!valid_signal(data)) break; - } + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); + ptrace_enable(child); + child->exit_code = data; + wake_up_process(child); + ret = 0; + break; case PTRACE_GETREGS: /* Get all gp regs from the child. */ -- cgit v1.2.3 From f5a817e3f707759882e423060badd2f2e52b66a4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:22:56 +0800 Subject: Blackfin arch: ptrace - make sure PT_ORIG_R0 and PT_ORIG_P0 offsets are declared Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/ptrace.h | 2 ++ arch/blackfin/kernel/asm-offsets.c | 1 + 2 files changed, 3 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h index a45a80e54adc..e3f086dc7268 100644 --- a/arch/blackfin/include/asm/ptrace.h +++ b/arch/blackfin/include/asm/ptrace.h @@ -158,6 +158,8 @@ extern void show_regs(struct pt_regs *); #define PT_SEQSTAT 8 #define PT_IPEND 4 +#define PT_ORIG_R0 208 +#define PT_ORIG_P0 212 #define PT_SYSCFG 216 #define PT_TEXT_ADDR 220 #define PT_TEXT_END_ADDR 224 diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c index 881afe9082c7..9bb85dd5ccb3 100644 --- a/arch/blackfin/kernel/asm-offsets.c +++ b/arch/blackfin/kernel/asm-offsets.c @@ -60,6 +60,7 @@ int main(void) DEFINE(KERNEL_STACK_SIZE, THREAD_SIZE); /* offsets into the pt_regs */ + DEFINE(PT_ORIG_R0, offsetof(struct pt_regs, orig_r0)); DEFINE(PT_ORIG_P0, offsetof(struct pt_regs, orig_p0)); DEFINE(PT_ORIG_PC, offsetof(struct pt_regs, orig_pc)); DEFINE(PT_R0, offsetof(struct pt_regs, r0)); -- cgit v1.2.3 From 47664c1f86c833c4b6398885fdb2b80fc4945c6a Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 15:32:18 +0800 Subject: Blackfin arch: give sys_strace proper entry markings a global _sys_trace will cause the assembler to fail, it should be fixed in toolchain side firstly. Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/entry.S | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 76c42d3b5e85..c13fa8da28c7 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -704,6 +704,9 @@ ENTRY(_system_call) rts; ENDPROC(_system_call) +/* Do not mark as ENTRY() to avoid error in assembler ... + * this symbol need not be global anyways, so ... + */ _sys_trace: call _syscall_trace; -- cgit v1.2.3 From 55f2feae3a1e075d9b4b0e73a6024f3e25717878 Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Thu, 9 Oct 2008 15:37:47 +0800 Subject: Blackfin arch: correct icache size in show_cpuinfo(), let c_start() return proper pointer Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/kernel/setup.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index ea4f60978c66..e9054e0b4555 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -1000,7 +1000,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) "cpu family\t: 0x%x\n" "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" "stepping\t: %d\n", - 0, + *(unsigned int *)v, vendor, (bfin_read_CHIPID() & CHIPID_FAMILY), cpu, cclk/1000000, sclk/1000000, @@ -1048,7 +1048,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) if ((bfin_read_DMEM_CONTROL() & (ENDCPLB | DMC_ENABLE)) != (ENDCPLB | DMC_ENABLE)) dcache_size = 0; - if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) == (IMC | ENICPLB)) + if ((bfin_read_IMEM_CONTROL() & (IMC | ENICPLB)) != (IMC | ENICPLB)) icache_size = 0; seq_printf(m, "cache size\t: %d KB(L1 icache) " @@ -1137,12 +1137,18 @@ static int show_cpuinfo(struct seq_file *m, void *v) static void *c_start(struct seq_file *m, loff_t *pos) { - return *pos < NR_CPUS ? ((void *)0x12345678) : NULL; + if (*pos == 0) + *pos = first_cpu(cpu_online_map); + if (*pos >= num_online_cpus()) + return NULL; + + return pos; } static void *c_next(struct seq_file *m, void *v, loff_t *pos) { - ++*pos; + *pos = next_cpu(*pos, cpu_online_map); + return c_start(m, pos); } -- cgit v1.2.3 From 1d5ff7e27d2ca30cd3f61afd353b03dd67330818 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Thu, 9 Oct 2008 17:06:32 +0800 Subject: Blackfin arch: Fix bug - HW Errors never recover on BF548 The kernel does not properly clear the EBIU Error Master (EBIU_ERRMST) Register on BF548, which causes the kernel to panic. We need to make sure that we clear the EBIU_ERRMST (necessary on BF54x) Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/kernel/traps.c | 15 +++++++++++++-- arch/blackfin/mach-common/interrupt.S | 9 +++++++++ 2 files changed, 22 insertions(+), 2 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 1a3c4daf557a..709c247b7016 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -1025,8 +1025,19 @@ void show_regs(struct pt_regs *fp) printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", (long)fp->seqstat, fp->ipend, fp->syscfg); - printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", - (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); + if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { + printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", + (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); +#ifdef EBIU_ERRMST + /* If the error was from the EBIU, print it out */ + if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { + printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", + bfin_read_EBIU_ERRMST()); + printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", + bfin_read_EBIU_ERRADD()); + } +#endif + } printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", fp->seqstat & SEQSTAT_EXCAUSE); for (i = 6; i <= 15 ; i++) { diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S index 647f0f522910..4a2ec7a9675a 100644 --- a/arch/blackfin/mach-common/interrupt.S +++ b/arch/blackfin/mach-common/interrupt.S @@ -179,7 +179,16 @@ ENTRY(_evt_ivhw) call _trap_c; SP += 12; +#ifdef EBIU_ERRMST + /* make sure EBIU_ERRMST is clear */ + p0.l = LO(EBIU_ERRMST); + p0.h = HI(EBIU_ERRMST); + r0.l = (CORE_ERROR | CORE_MERROR); + w[p0] = r0.l; +#endif + call _ret_from_exception; + .Lcommon_restore_all_sys: RESTORE_ALL_SYS rti; -- cgit v1.2.3 From 6c3fc69a173868c0a3c20bc1bba5ede463b5029c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 17:13:39 +0800 Subject: Blackfin arch: avoid using actual config name in comment avoid using actual config name in comment as a text search is done to see what files need to be rebuilt Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfin-global.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index e1f9cbd00a09..f842ea3bfc19 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -106,7 +106,7 @@ extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[], _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[], _ebss_l2[], _l2_lma_start[]; -/* only used when CONFIG_MTD_UCLINUX */ +/* only used when MTD_UCLINUX */ extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size; #ifdef CONFIG_BFIN_ICACHE_LOCK -- cgit v1.2.3 From 664d0403f96ff5f4fb43a4b3a54b5642589c57d2 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 17:28:36 +0800 Subject: Blackfin arch: fix end address for parallel flash and increase kernel partition size to 4meg Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/boards/ezkit.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 7c08b9f1838a..5288187a3ace 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -462,7 +462,7 @@ static struct mtd_partition ezkit_partitions[] = { .offset = 0, }, { .name = "linux kernel(nor)", - .size = 0x1C0000, + .size = 0x400000, .offset = MTDPART_OFS_APPEND, }, { .name = "file system(nor)", @@ -479,7 +479,7 @@ static struct physmap_flash_data ezkit_flash_data = { static struct resource ezkit_flash_resource = { .start = 0x20000000, - .end = 0x20ffffff, + .end = 0x21ffffff, .flags = IORESOURCE_MEM, }; -- cgit v1.2.3 From 0c0497c257c12c9ecb8825490a339bfce8a0532f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Oct 2008 17:32:28 +0800 Subject: Blackfin arch: Move all the silicon rev handling to one place Move all the silicon rev handling to one place (Kconfig) and make sure we warn if you are running on silicon that has not been tested on Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig | 13 +++++++++++++ arch/blackfin/kernel/setup.c | 3 ++- arch/blackfin/mach-bf527/include/mach/bf527.h | 2 -- arch/blackfin/mach-bf533/include/mach/bf533.h | 2 -- arch/blackfin/mach-bf537/include/mach/bf537.h | 2 -- arch/blackfin/mach-bf548/include/mach/bf548.h | 2 -- arch/blackfin/mach-bf561/include/mach/bf561.h | 2 -- 7 files changed, 15 insertions(+), 11 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 10c97efbd91f..8102c79aaa94 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -166,6 +166,19 @@ config BF561 endchoice +config BF_REV_MIN + int + default 0 if (BF52x || BF54x) + default 2 if (BF537 || BF536 || BF534) + default 3 if (BF561 ||BF533 || BF532 || BF531) + +config BF_REV_MAX + int + default 2 if (BF52x || BF54x) + default 3 if (BF537 || BF536 || BF534) + default 5 if (BF561) + default 6 if (BF533 || BF532 || BF531) + choice prompt "Silicon Rev" default BF_REV_0_1 if (BF52x || BF54x) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index e9054e0b4555..4267523912bd 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -821,9 +821,10 @@ void __init setup_arch(char **cmdline_p) printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", bfin_compiled_revid(), bfin_revid()); } - if (bfin_revid() < SUPPORTED_REVID) + if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", CPU, bfin_revid()); + printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); printk(KERN_INFO "Processor Speed: %lu MHz core clock and %lu MHz System Clock\n", diff --git a/arch/blackfin/mach-bf527/include/mach/bf527.h b/arch/blackfin/mach-bf527/include/mach/bf527.h index 056eb4b9cd25..330041fde546 100644 --- a/arch/blackfin/mach-bf527/include/mach/bf527.h +++ b/arch/blackfin/mach-bf527/include/mach/bf527.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF527_H__ #define __MACH_BF527_H__ -#define SUPPORTED_REVID 2 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ diff --git a/arch/blackfin/mach-bf533/include/mach/bf533.h b/arch/blackfin/mach-bf533/include/mach/bf533.h index 12a416931991..949801112303 100644 --- a/arch/blackfin/mach-bf533/include/mach/bf533.h +++ b/arch/blackfin/mach-bf533/include/mach/bf533.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF533_H__ #define __MACH_BF533_H__ -#define SUPPORTED_REVID 2 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ diff --git a/arch/blackfin/mach-bf537/include/mach/bf537.h b/arch/blackfin/mach-bf537/include/mach/bf537.h index cfe2a221112e..7a047e04e383 100644 --- a/arch/blackfin/mach-bf537/include/mach/bf537.h +++ b/arch/blackfin/mach-bf537/include/mach/bf537.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF537_H__ #define __MACH_BF537_H__ -#define SUPPORTED_REVID 2 - /* Masks for generic ERROR IRQ demultiplexing used in int-priority-sc.c */ #define SPI_ERR_MASK (TXCOL | RBSY | MODF | TXE) /* SPI_STAT */ diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h index e748588e8930..14f8a7b84544 100644 --- a/arch/blackfin/mach-bf548/include/mach/bf548.h +++ b/arch/blackfin/mach-bf548/include/mach/bf548.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF548_H__ #define __MACH_BF548_H__ -#define SUPPORTED_REVID 0 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ diff --git a/arch/blackfin/mach-bf561/include/mach/bf561.h b/arch/blackfin/mach-bf561/include/mach/bf561.h index 3ef9e5f36136..7787caad3555 100644 --- a/arch/blackfin/mach-bf561/include/mach/bf561.h +++ b/arch/blackfin/mach-bf561/include/mach/bf561.h @@ -30,8 +30,6 @@ #ifndef __MACH_BF561_H__ #define __MACH_BF561_H__ -#define SUPPORTED_REVID 0x3 - #define OFFSET_(x) ((x) & 0x0000FFFF) /*some misc defines*/ -- cgit v1.2.3 From 0cfbb3234c8b18fc2a4934bed418be47c8382b72 Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 9 Oct 2008 17:39:37 +0800 Subject: Blackfin arch: early prink code still use uart core console functions to parse and set configure option string Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig.debug | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 2cb0a3080d79..f08aea4fc5eb 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -184,6 +184,7 @@ config DEBUG_BFIN_NO_KERN_HWTRACE config EARLY_PRINTK bool "Early printk" default n + select SERIAL_CORE_CONSOLE help This option enables special console drivers which allow the kernel to print messages very early in the bootup process. -- cgit v1.2.3 From 45138439e171111a93273e9c0008b41ac56d0731 Mon Sep 17 00:00:00 2001 From: Javier Herrero Date: Thu, 9 Oct 2008 18:06:47 +0800 Subject: Blackfin arch: flash memory map and dm9000 resources updating Signed-off-by: Javier Herrero Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf533/boards/H8606.c | 34 ++++++++++++++++++--------------- 1 file changed, 19 insertions(+), 15 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c index c66a68f30239..72ac3ac8ef76 100644 --- a/arch/blackfin/mach-bf533/boards/H8606.c +++ b/arch/blackfin/mach-bf533/boards/H8606.c @@ -9,7 +9,7 @@ * Modified: * Copyright 2005 National ICT Australia (NICTA) * Copyright 2004-2006 Analog Devices Inc - * Copyright 2007 HV Sistemas S.L. + * Copyright 2007,2008 HV Sistemas S.L. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -64,18 +64,18 @@ static struct platform_device rtc_device = { static struct resource dm9000_resources[] = { [0] = { .start = 0x20300000, - .end = 0x20300000 + 1, + .end = 0x20300002, .flags = IORESOURCE_MEM, }, [1] = { - .start = 0x20300000 + 4, - .end = 0x20300000 + 5, + .start = 0x20300004, + .end = 0x20300006, .flags = IORESOURCE_MEM, }, [2] = { .start = IRQ_PF10, .end = IRQ_PF10, - .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE), + .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IRQF_SHARED | IRQF_TRIGGER_HIGH), }, }; @@ -140,18 +140,22 @@ static struct platform_device net2272_bfin_device = { #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) static struct mtd_partition bfin_spi_flash_partitions[] = { { - .name = "bootloader(spi)", - .size = 0x00060000, + .name = "bootloader (spi)", + .size = 0x40000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { - .name = "linux kernel(spi)", - .size = 0x100000, - .offset = 0x60000 + .name = "fpga (spi)", + .size = 0x30000, + .offset = 0x40000 }, { - .name = "file system(spi)", - .size = 0x6a0000, - .offset = 0x00160000, + .name = "linux kernel (spi)", + .size = 0x150000, + .offset = 0x70000 + }, { + .name = "jffs2 root file system (spi)", + .size = 0x640000, + .offset = 0x1c0000, } }; @@ -340,7 +344,7 @@ static struct platform_device bfin_sir_device = { static struct plat_serial8250_port serial8250_platform_data [] = { { - .membase = 0x20200000, + .membase = (void *)0x20200000, .mapbase = 0x20200000, .irq = IRQ_PF8, .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE, @@ -348,7 +352,7 @@ static struct plat_serial8250_port serial8250_platform_data [] = { .regshift = 1, .uartclk = 66666667, }, { - .membase = 0x20200010, + .membase = (void *)0x20200010, .mapbase = 0x20200010, .irq = IRQ_PF8, .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE, -- cgit v1.2.3 From 2043f3f7312cc7fbbc2acffb9d87265b0ad9a529 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 14:46:30 +0800 Subject: Blackfin arch: Enable framebuffer support for the BF526-EZkit TFT LCD display Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf537/boards/stamp.c | 49 +++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index 8482d22321f3..ccfa08801840 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -582,6 +582,13 @@ static struct bfin5xx_spi_chip spidev_chip_info = { }; #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { + .enable_dma = 0, + .bits_per_word = 8, +}; +#endif + #if defined(CONFIG_MTD_DATAFLASH) \ || defined(CONFIG_MTD_DATAFLASH_MODULE) @@ -730,6 +737,16 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spidev_chip_info, }, #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + { + .modalias = "bfin-lq035q1-spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &lq035q1_spi_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif }; #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) @@ -777,6 +794,34 @@ static struct platform_device bfin_fb_adv7393_device = { }; #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) +#include + +static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { + .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, + .use_bl = 1, + .gpio_bl = GPIO_PF7, +}; + +static struct resource bfin_lq035q1_resources[] = { + { + .start = IRQ_PPI_ERROR, + .end = IRQ_PPI_ERROR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_lq035q1_device = { + .name = "bfin-lq035q1", + .id = -1, + .num_resources = ARRAY_SIZE(bfin_lq035q1_resources), + .resource = bfin_lq035q1_resources, + .dev = { + .platform_data = &bfin_lq035q1_data, + }, +}; +#endif + #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) static struct resource bfin_uart_resources[] = { #ifdef CONFIG_SERIAL_BFIN_UART0 @@ -997,6 +1042,10 @@ static struct platform_device *stamp_devices[] __initdata = { &bfin_fb_device, #endif +#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) + &bfin_lq035q1_device, +#endif + #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE) &bfin_fb_adv7393_device, #endif -- cgit v1.2.3 From d207a8c7681f14302e9e80ef5b8202abe39060b5 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:26:57 +0800 Subject: Blackfin arch: ptrace - fix off-by-one check on end of memory regions Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 50 ++++++++++++++++++------------------------- 1 file changed, 21 insertions(+), 29 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index e8172eece047..7e1f762b6700 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -161,15 +161,15 @@ static inline int is_user_addr_valid(struct task_struct *child, struct sram_list_struct *sraml; for (vml = child->mm->context.vmlist; vml; vml = vml->next) - if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end) + if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end) return 0; for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next) if (start >= (unsigned long)sraml->addr - && start + len <= (unsigned long)sraml->addr + sraml->length) + && start + len < (unsigned long)sraml->addr + sraml->length) return 0; - if (start >= FIXED_CODE_START && start + len <= FIXED_CODE_END) + if (start >= FIXED_CODE_START && start + len < FIXED_CODE_END) return 0; return -EIO; @@ -216,34 +216,30 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; pr_debug("ptrace: user address is valid\n"); -#if L1_CODE_LENGTH != 0 - if (addr >= L1_CODE_START + if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr >= L1_DATA_A_START + + } else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START && addr + sizeof(tmp) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START + + } else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START && addr + sizeof(tmp) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); - } else -#endif - if (addr >= FIXED_CODE_START + + } else if (addr >= FIXED_CODE_START && addr + sizeof(tmp) <= FIXED_CODE_END) { memcpy(&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); + } else copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); + pr_debug("ptrace: copied size %d [0x%08lx]\n", copied, tmp); if (copied != sizeof(tmp)) break; @@ -300,34 +296,30 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; pr_debug("ptrace: user address is valid\n"); -#if L1_CODE_LENGTH != 0 - if (addr >= L1_CODE_START + if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { safe_dma_memcpy ((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif -#if L1_DATA_A_LENGTH != 0 - if (addr >= L1_DATA_A_START + + } else if (L1_DATA_A_LENGTH != 0 && addr >= L1_DATA_A_START && addr + sizeof(data) <= L1_DATA_A_START + L1_DATA_A_LENGTH) { memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif -#if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START + + } else if (L1_DATA_B_LENGTH != 0 && addr >= L1_DATA_B_START && addr + sizeof(data) <= L1_DATA_B_START + L1_DATA_B_LENGTH) { memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); - } else -#endif - if (addr >= FIXED_CODE_START + + } else if (addr >= FIXED_CODE_START && addr + sizeof(data) <= FIXED_CODE_END) { memcpy((void *)(addr), &data, sizeof(data)); copied = sizeof(data); + } else copied = access_process_vm(child, addr, &data, sizeof(data), 1); + pr_debug("ptrace: copied size %d\n", copied); if (copied != sizeof(data)) break; -- cgit v1.2.3 From 3c08f1d122627c9559fb03a11f52ea37f960b61e Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:12:51 +0800 Subject: Blackfin arch: have is_user_addr_valid() check for overflows (like when address is -1) Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/ptrace.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 7e1f762b6700..140bf00e9974 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -160,6 +160,10 @@ static inline int is_user_addr_valid(struct task_struct *child, struct vm_list_struct *vml; struct sram_list_struct *sraml; + /* overflow */ + if (start + len < start) + return -EIO; + for (vml = child->mm->context.vmlist; vml; vml = vml->next) if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end) return 0; -- cgit v1.2.3 From a88c71e4367aada2065c5e247477c891d2ca952f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:37:52 +0800 Subject: Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/early_printk.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c index 60f67f90fe35..1f4e3d2e0901 100644 --- a/arch/blackfin/kernel/early_printk.c +++ b/arch/blackfin/kernel/early_printk.c @@ -35,6 +35,9 @@ extern struct console *bfin_earlyserial_init(unsigned int port, unsigned int cflag); #endif +#ifdef CONFIG_BFIN_JTAG_COMM +extern struct console *bfin_jc_early_init(void); +#endif static struct console *early_console; @@ -142,6 +145,15 @@ int __init setup_early_printk(char *buf) early_console = earlyserial_init(buf); } #endif + +#ifdef CONFIG_BFIN_JTAG_COMM + /* Check for Blackfin JTAG */ + if (!strncmp(buf, "jtag", 4)) { + buf += 4; + early_console = bfin_jc_early_init(); + } +#endif + #ifdef CONFIG_FB /* TODO: add framebuffer console support */ #endif -- cgit v1.2.3 From 9f06c38fb230720371397a57faa24aa6e31b2c87 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Fri, 10 Oct 2008 18:13:21 +0800 Subject: Blackfin arch: Add optional verbose debug Add optional verbose debug - which when turned off, quiets down userspace errors. Saves ~8k of code/data for production systems Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/Kconfig.debug | 13 +++ arch/blackfin/kernel/traps.c | 230 ++++++++++++++++++++++++------------------- 2 files changed, 143 insertions(+), 100 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index f08aea4fc5eb..3ad25983ec97 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -5,6 +5,19 @@ source "lib/Kconfig.debug" config HAVE_ARCH_KGDB def_bool y +config DEBUG_VERBOSE + bool "Verbose fault messages" + default y + select PRINTK + help + When a program crashes due to an exception, or the kernel detects + an internal error, the kernel can print a not so brief message + explaining what the problem was. This debugging information is + useful to developers and kernel hackers when tracking down problems, + but mostly meaningless to other people. This is always helpful for + debugging but serves no purpose on a production system. + Most people should say N here. + config DEBUG_MMRS bool "Generate Blackfin MMR tree" select DEBUG_FS diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 709c247b7016..1aa2c788e228 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -58,6 +58,15 @@ # define CHK_DEBUGGER_TRAP_MAYBE() do { } while (0) #endif + +#ifdef CONFIG_VERBOSE_DEBUG +#define verbose_printk(fmt, arg...) \ + printk(fmt, ##arg) +#else +#define verbose_printk(fmt, arg...) \ + ({ if (0) printk(fmt, ##arg); 0; }) +#endif + /* Initiate the event table handler */ void __init trap_init(void) { @@ -78,6 +87,7 @@ unsigned long saved_retx, saved_seqstat, static void decode_address(char *buf, unsigned long address) { +#ifdef CONFIG_DEBUG_VERBOSE struct vm_list_struct *vml; struct task_struct *p; struct mm_struct *mm; @@ -185,12 +195,16 @@ static void decode_address(char *buf, unsigned long address) done: write_unlock_irqrestore(&tasklist_lock, flags); +#else + sprintf(buf, " "); +#endif } asmlinkage void double_fault_c(struct pt_regs *fp) { console_verbose(); oops_in_progress = 1; +#ifdef CONFIG_DEBUG_VERBOSE printk(KERN_EMERG "\n" KERN_EMERG "Double Fault\n"); #ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT if (((long)fp->seqstat & SEQSTAT_EXCAUSE) == VEC_UNCOV) { @@ -213,6 +227,7 @@ asmlinkage void double_fault_c(struct pt_regs *fp) dump_bfin_mem(fp); show_regs(fp); } +#endif panic("Double Fault - unrecoverable event\n"); } @@ -288,7 +303,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_EXCPT03: info.si_code = SEGV_STACKFLOW; sig = SIGSEGV; - printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x03(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x02 - KGDB initial connection and break signal trap */ @@ -317,7 +332,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_EXCPT04 ... VEC_EXCPT15: info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_NOTICE EXC_0x04(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x04(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x10 HW Single step, handled here */ @@ -334,7 +349,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_OVFLOW: info.si_code = TRAP_TRACEFLOW; sig = SIGTRAP; - printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x11(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x12 - Reserved, Caught by default */ @@ -356,35 +371,35 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_UNDEF_I: info.si_code = ILL_ILLOPC; sig = SIGILL; - printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x21(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x22 - Illegal Instruction Combination, handled here */ case VEC_ILGAL_I: info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x22(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x23 - Data CPLB protection violation, handled here */ case VEC_CPLB_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x23(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x24 - Data access misaligned, handled here */ case VEC_MISALI_D: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x24(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x25 - Unrecoverable Event, handled here */ case VEC_UNCOV: info.si_code = ILL_ILLEXCPT; sig = SIGILL; - printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x25(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x26 - Data CPLB Miss, normal case is handled in _cplb_hdr, @@ -392,7 +407,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_CPLB_M: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x26(KERN_NOTICE)); break; /* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */ case VEC_CPLB_MHIT: @@ -400,10 +415,10 @@ asmlinkage void trap_c(struct pt_regs *fp) sig = SIGSEGV; #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO if (saved_dcplb_fault_addr < FIXED_CODE_START) - printk(KERN_NOTICE "NULL pointer access\n"); + verbose_printk(KERN_NOTICE "NULL pointer access\n"); else #endif - printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x28 - Emulation Watchpoint, handled here */ @@ -422,7 +437,7 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_ISTRU_VL: /* ADSP-BF535 only (MH) */ info.si_code = BUS_OPFETCH; sig = SIGBUS; - printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); + verbose_printk(KERN_NOTICE "BF535: VEC_ISTRU_VL\n"); CHK_DEBUGGER_TRAP_MAYBE(); break; #else @@ -432,21 +447,21 @@ asmlinkage void trap_c(struct pt_regs *fp) case VEC_MISALI_I: info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2A(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2B - Instruction CPLB protection violation, handled here */ case VEC_CPLB_I_VL: info.si_code = ILL_CPLB_VI; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2B(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2C - Instruction CPLB miss, handled in _cplb_hdr */ case VEC_CPLB_I_M: info.si_code = ILL_CPLB_MISS; sig = SIGBUS; - printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2C(KERN_NOTICE)); break; /* 0x2D - Instruction CPLB Multiple Hits, handled here */ case VEC_CPLB_I_MHIT: @@ -454,17 +469,17 @@ asmlinkage void trap_c(struct pt_regs *fp) sig = SIGSEGV; #ifdef CONFIG_DEBUG_HUNT_FOR_ZERO if (saved_icplb_fault_addr < FIXED_CODE_START) - printk(KERN_NOTICE "Jump to NULL address\n"); + verbose_printk(KERN_NOTICE "Jump to NULL address\n"); else #endif - printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2E - Illegal use of Supervisor Resource, handled here */ case VEC_ILL_RES: info.si_code = ILL_PRVOPC; sig = SIGILL; - printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); + verbose_printk(KERN_NOTICE EXC_0x2E(KERN_NOTICE)); CHK_DEBUGGER_TRAP_MAYBE(); break; /* 0x2F - Reserved, Caught by default */ @@ -492,17 +507,17 @@ asmlinkage void trap_c(struct pt_regs *fp) case (SEQSTAT_HWERRCAUSE_SYSTEM_MMR): info.si_code = BUS_ADRALN; sig = SIGBUS; - printk(KERN_NOTICE HWC_x2(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x2(KERN_NOTICE)); break; /* External Memory Addressing Error */ case (SEQSTAT_HWERRCAUSE_EXTERN_ADDR): info.si_code = BUS_ADRERR; sig = SIGBUS; - printk(KERN_NOTICE HWC_x3(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x3(KERN_NOTICE)); break; /* Performance Monitor Overflow */ case (SEQSTAT_HWERRCAUSE_PERF_FLOW): - printk(KERN_NOTICE HWC_x12(KERN_NOTICE)); + verbose_printk(KERN_NOTICE HWC_x12(KERN_NOTICE)); break; /* RAISE 5 instruction */ case (SEQSTAT_HWERRCAUSE_RAISE_5): @@ -522,7 +537,7 @@ asmlinkage void trap_c(struct pt_regs *fp) oops_in_progress = 1; info.si_code = ILL_ILLPARAOP; sig = SIGILL; - printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", + verbose_printk(KERN_EMERG "Caught Unhandled Exception, code = %08lx\n", (fp->seqstat & SEQSTAT_EXCAUSE)); CHK_DEBUGGER_TRAP_MAYBE(); break; @@ -531,7 +546,6 @@ asmlinkage void trap_c(struct pt_regs *fp) BUG_ON(sig == 0); if (sig != SIGTRAP) { - unsigned long *stack; dump_bfin_process(fp); dump_bfin_mem(fp); show_regs(fp); @@ -539,7 +553,7 @@ asmlinkage void trap_c(struct pt_regs *fp) /* Print out the trace buffer if it makes sense */ #ifndef CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE if (trapnr == VEC_CPLB_I_M || trapnr == VEC_CPLB_M) - printk(KERN_NOTICE "No trace since you do not have " + verbose_printk(KERN_NOTICE "No trace since you do not have " "CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE enabled\n" KERN_NOTICE "\n"); else @@ -548,20 +562,22 @@ asmlinkage void trap_c(struct pt_regs *fp) if (oops_in_progress) { /* Dump the current kernel stack */ - printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n"); + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "Kernel Stack\n"); show_stack(current, NULL); - print_modules(); #ifndef CONFIG_ACCESS_CHECK - printk(KERN_EMERG "Please turn on " + verbose_printk(KERN_EMERG "Please turn on " "CONFIG_ACCESS_CHECK\n"); #endif panic("Kernel exception"); } else { +#ifdef CONFIG_VERBOSE_DEBUG + unsigned long *stack; /* Dump the user space stack */ stack = (unsigned long *)rdusp(); - printk(KERN_NOTICE "Userspace Stack\n"); + verbose_printk(KERN_NOTICE "Userspace Stack\n"); show_stack(NULL, stack); +#endif } } @@ -582,7 +598,7 @@ asmlinkage void trap_c(struct pt_regs *fp) * Similar to get_user, do some address checking, then dereference * Return true on sucess, false on bad address */ -bool get_instruction(unsigned short *val, unsigned short *address) +static bool get_instruction(unsigned short *val, unsigned short *address) { unsigned long addr; @@ -643,45 +659,48 @@ bool get_instruction(unsigned short *val, unsigned short *address) * These are the normal instructions which cause change of flow, which * would be at the source of the trace buffer */ -void decode_instruction(unsigned short *address) +#ifdef CONFIG_DEBUG_VERBOSE +static void decode_instruction(unsigned short *address) { unsigned short opcode; if (get_instruction(&opcode, address)) { if (opcode == 0x0010) - printk("RTS"); + verbose_printk("RTS"); else if (opcode == 0x0011) - printk("RTI"); + verbose_printk("RTI"); else if (opcode == 0x0012) - printk("RTX"); + verbose_printk("RTX"); else if (opcode >= 0x0050 && opcode <= 0x0057) - printk("JUMP (P%i)", opcode & 7); + verbose_printk("JUMP (P%i)", opcode & 7); else if (opcode >= 0x0060 && opcode <= 0x0067) - printk("CALL (P%i)", opcode & 7); + verbose_printk("CALL (P%i)", opcode & 7); else if (opcode >= 0x0070 && opcode <= 0x0077) - printk("CALL (PC+P%i)", opcode & 7); + verbose_printk("CALL (PC+P%i)", opcode & 7); else if (opcode >= 0x0080 && opcode <= 0x0087) - printk("JUMP (PC+P%i)", opcode & 7); + verbose_printk("JUMP (PC+P%i)", opcode & 7); else if ((opcode >= 0x1000 && opcode <= 0x13FF) || (opcode >= 0x1800 && opcode <= 0x1BFF)) - printk("IF !CC JUMP"); + verbose_printk("IF !CC JUMP"); else if ((opcode >= 0x1400 && opcode <= 0x17ff) || (opcode >= 0x1c00 && opcode <= 0x1fff)) - printk("IF CC JUMP"); + verbose_printk("IF CC JUMP"); else if (opcode >= 0x2000 && opcode <= 0x2fff) - printk("JUMP.S"); + verbose_printk("JUMP.S"); else if (opcode >= 0xe080 && opcode <= 0xe0ff) - printk("LSETUP"); + verbose_printk("LSETUP"); else if (opcode >= 0xe200 && opcode <= 0xe2ff) - printk("JUMP.L"); + verbose_printk("JUMP.L"); else if (opcode >= 0xe300 && opcode <= 0xe3ff) - printk("CALL pcrel"); + verbose_printk("CALL pcrel"); else - printk("0x%04x", opcode); + verbose_printk("0x%04x", opcode); } } +#endif void dump_bfin_trace_buffer(void) { +#ifdef CONFIG_DEBUG_VERBOSE #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON int tflags, i = 0; char buf[150]; @@ -737,6 +756,7 @@ void dump_bfin_trace_buffer(void) trace_buffer_restore(tflags); #endif +#endif } EXPORT_SYMBOL(dump_bfin_trace_buffer); @@ -744,7 +764,7 @@ EXPORT_SYMBOL(dump_bfin_trace_buffer); * Checks to see if the address pointed to is either a * 16-bit CALL instruction, or a 32-bit CALL instruction */ -bool is_bfin_call(unsigned short *addr) +static bool is_bfin_call(unsigned short *addr) { unsigned short opcode = 0, *ins_addr; ins_addr = (unsigned short *)addr; @@ -766,8 +786,10 @@ bool is_bfin_call(unsigned short *addr) return false; } + void show_stack(struct task_struct *task, unsigned long *stack) { +#ifdef CONFIG_PRINTK unsigned int *addr, *endstack, *fp = 0, *frame; unsigned short *ins_addr; char buf[150]; @@ -792,8 +814,10 @@ void show_stack(struct task_struct *task, unsigned long *stack) } else endstack = (unsigned int *)PAGE_ALIGN((unsigned int)stack); + printk(KERN_NOTICE "Stack info:\n"); decode_address(buf, (unsigned int)stack); - printk(KERN_NOTICE "Stack info:\n" KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + printk(KERN_NOTICE " SP: [0x%p] %s\n", stack, buf); + addr = (unsigned int *)((unsigned int)stack & ~0x3F); /* First thing is to look for a frame pointer */ @@ -884,7 +908,7 @@ void show_stack(struct task_struct *task, unsigned long *stack) if (!j) printk("\n"); } - +#endif } void dump_stack(void) @@ -902,38 +926,39 @@ EXPORT_SYMBOL(dump_stack); void dump_bfin_process(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE /* We should be able to look at fp->ipend, but we don't push it on the * stack all the time, so do this until we fix that */ unsigned int context = bfin_read_IPEND(); if (oops_in_progress) - printk(KERN_EMERG "Kernel OOPS in progress\n"); + verbose_printk(KERN_EMERG "Kernel OOPS in progress\n"); if (context & 0x0020 && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) - printk(KERN_NOTICE "HW Error context\n"); + verbose_printk(KERN_NOTICE "HW Error context\n"); else if (context & 0x0020) - printk(KERN_NOTICE "Deferred Exception context\n"); + verbose_printk(KERN_NOTICE "Deferred Exception context\n"); else if (context & 0x3FC0) - printk(KERN_NOTICE "Interrupt context\n"); + verbose_printk(KERN_NOTICE "Interrupt context\n"); else if (context & 0x4000) - printk(KERN_NOTICE "Deferred Interrupt context\n"); + verbose_printk(KERN_NOTICE "Deferred Interrupt context\n"); else if (context & 0x8000) - printk(KERN_NOTICE "Kernel process context\n"); + verbose_printk(KERN_NOTICE "Kernel process context\n"); /* Because we are crashing, and pointers could be bad, we check things * pretty closely before we use them */ if ((unsigned long)current >= FIXED_CODE_START && !((unsigned long)current & 0x3) && current->pid) { - printk(KERN_NOTICE "CURRENT PROCESS:\n"); + verbose_printk(KERN_NOTICE "CURRENT PROCESS:\n"); if (current->comm >= (char *)FIXED_CODE_START) - printk(KERN_NOTICE "COMM=%s PID=%d\n", + verbose_printk(KERN_NOTICE "COMM=%s PID=%d\n", current->comm, current->pid); else - printk(KERN_NOTICE "COMM= invalid\n"); + verbose_printk(KERN_NOTICE "COMM= invalid\n"); if (!((unsigned long)current->mm & 0x3) && (unsigned long)current->mm >= FIXED_CODE_START) - printk(KERN_NOTICE "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" + verbose_printk(KERN_NOTICE "TEXT = 0x%p-0x%p DATA = 0x%p-0x%p\n" KERN_NOTICE " BSS = 0x%p-0x%p USER-STACK = 0x%p\n" KERN_NOTICE "\n", (void *)current->mm->start_code, @@ -944,26 +969,28 @@ void dump_bfin_process(struct pt_regs *fp) (void *)current->mm->brk, (void *)current->mm->start_stack); else - printk(KERN_NOTICE "invalid mm\n"); + verbose_printk(KERN_NOTICE "invalid mm\n"); } else - printk(KERN_NOTICE "\n" KERN_NOTICE + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "No Valid process in current context\n"); +#endif } void dump_bfin_mem(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE unsigned short *addr, *erraddr, val = 0, err = 0; char sti = 0, buf[6]; erraddr = (void *)fp->pc; - printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); + verbose_printk(KERN_NOTICE "return address: [0x%p]; contents of:", erraddr); for (addr = (unsigned short *)((unsigned long)erraddr & ~0xF) - 0x10; addr < (unsigned short *)((unsigned long)erraddr & ~0xF) + 0x10; addr++) { if (!((unsigned long)addr & 0xF)) - printk("\n" KERN_NOTICE "0x%p: ", addr); + verbose_printk("\n" KERN_NOTICE "0x%p: ", addr); if (!get_instruction(&val, addr)) { val = 0; @@ -972,10 +999,10 @@ void dump_bfin_mem(struct pt_regs *fp) sprintf(buf, "%04x", val); if (addr == erraddr) { - printk("[%s]", buf); + verbose_printk("[%s]", buf); err = val; } else - printk(" %s ", buf); + verbose_printk(" %s ", buf); /* Do any previous instructions turn on interrupts? */ if (addr <= erraddr && /* in the past */ @@ -984,14 +1011,14 @@ void dump_bfin_mem(struct pt_regs *fp) sti = 1; } - printk("\n"); + verbose_printk("\n"); /* Hardware error interrupts can be deferred */ if (unlikely(sti && (fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR && oops_in_progress)){ - printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); + verbose_printk(KERN_NOTICE "Looks like this was a deferred error - sorry\n"); #ifndef CONFIG_DEBUG_HWERR - printk(KERN_NOTICE "The remaining message may be meaningless\n" + verbose_printk(KERN_NOTICE "The remaining message may be meaningless\n" KERN_NOTICE "You should enable CONFIG_DEBUG_HWERR to get a" " better idea where it came from\n"); #else @@ -1005,45 +1032,47 @@ void dump_bfin_mem(struct pt_regs *fp) /* And the last RETI points to the current userspace context */ if ((fp + 1)->pc >= current->mm->start_code && (fp + 1)->pc <= current->mm->end_code) { - printk(KERN_NOTICE "It might be better to look around here : \n"); - printk(KERN_NOTICE "-------------------------------------------\n"); + verbose_printk(KERN_NOTICE "It might be better to look around here : \n"); + verbose_printk(KERN_NOTICE "-------------------------------------------\n"); show_regs(fp + 1); - printk(KERN_NOTICE "-------------------------------------------\n"); + verbose_printk(KERN_NOTICE "-------------------------------------------\n"); } } #endif } +#endif } void show_regs(struct pt_regs *fp) { +#ifdef CONFIG_DEBUG_VERBOSE char buf [150]; struct irqaction *action; unsigned int i; unsigned long flags; - printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); - printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "SEQUENCER STATUS:\t\t%s\n", print_tainted()); + verbose_printk(KERN_NOTICE " SEQSTAT: %08lx IPEND: %04lx SYSCFG: %04lx\n", (long)fp->seqstat, fp->ipend, fp->syscfg); if ((fp->seqstat & SEQSTAT_EXCAUSE) == VEC_HWERR) { - printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", + verbose_printk(KERN_NOTICE " HWERRCAUSE: 0x%lx\n", (fp->seqstat & SEQSTAT_HWERRCAUSE) >> 14); #ifdef EBIU_ERRMST /* If the error was from the EBIU, print it out */ if (bfin_read_EBIU_ERRMST() & CORE_ERROR) { - printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", + verbose_printk(KERN_NOTICE " EBIU Error Reason : 0x%04x\n", bfin_read_EBIU_ERRMST()); - printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", + verbose_printk(KERN_NOTICE " EBIU Error Address : 0x%08x\n", bfin_read_EBIU_ERRADD()); } #endif } - printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", + verbose_printk(KERN_NOTICE " EXCAUSE : 0x%lx\n", fp->seqstat & SEQSTAT_EXCAUSE); for (i = 6; i <= 15 ; i++) { if (fp->ipend & (1 << i)) { decode_address(buf, bfin_read32(EVT0 + 4*i)); - printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); + verbose_printk(KERN_NOTICE " physical IVG%i asserted : %s\n", i, buf); } } @@ -1056,64 +1085,65 @@ void show_regs(struct pt_regs *fp) goto unlock; decode_address(buf, (unsigned int)action->handler); - printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); + verbose_printk(KERN_NOTICE " logical irq %3d mapped : %s", i, buf); for (action = action->next; action; action = action->next) { decode_address(buf, (unsigned int)action->handler); - printk(", %s", buf); + verbose_printk(", %s", buf); } - printk("\n"); + verbose_printk("\n"); unlock: spin_unlock_irqrestore(&irq_desc[i].lock, flags); } } decode_address(buf, fp->rete); - printk(KERN_NOTICE " RETE: %s\n", buf); + verbose_printk(KERN_NOTICE " RETE: %s\n", buf); decode_address(buf, fp->retn); - printk(KERN_NOTICE " RETN: %s\n", buf); + verbose_printk(KERN_NOTICE " RETN: %s\n", buf); decode_address(buf, fp->retx); - printk(KERN_NOTICE " RETX: %s\n", buf); + verbose_printk(KERN_NOTICE " RETX: %s\n", buf); decode_address(buf, fp->rets); - printk(KERN_NOTICE " RETS: %s\n", buf); + verbose_printk(KERN_NOTICE " RETS: %s\n", buf); decode_address(buf, fp->pc); - printk(KERN_NOTICE " PC : %s\n", buf); + verbose_printk(KERN_NOTICE " PC : %s\n", buf); if (((long)fp->seqstat & SEQSTAT_EXCAUSE) && (((long)fp->seqstat & SEQSTAT_EXCAUSE) != VEC_HWERR)) { decode_address(buf, saved_dcplb_fault_addr); - printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); + verbose_printk(KERN_NOTICE "DCPLB_FAULT_ADDR: %s\n", buf); decode_address(buf, saved_icplb_fault_addr); - printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); + verbose_printk(KERN_NOTICE "ICPLB_FAULT_ADDR: %s\n", buf); } - printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n"); - printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", + verbose_printk(KERN_NOTICE "\n" KERN_NOTICE "PROCESSOR STATE:\n"); + verbose_printk(KERN_NOTICE " R0 : %08lx R1 : %08lx R2 : %08lx R3 : %08lx\n", fp->r0, fp->r1, fp->r2, fp->r3); - printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", + verbose_printk(KERN_NOTICE " R4 : %08lx R5 : %08lx R6 : %08lx R7 : %08lx\n", fp->r4, fp->r5, fp->r6, fp->r7); - printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", + verbose_printk(KERN_NOTICE " P0 : %08lx P1 : %08lx P2 : %08lx P3 : %08lx\n", fp->p0, fp->p1, fp->p2, fp->p3); - printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", + verbose_printk(KERN_NOTICE " P4 : %08lx P5 : %08lx FP : %08lx SP : %08lx\n", fp->p4, fp->p5, fp->fp, (long)fp); - printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", + verbose_printk(KERN_NOTICE " LB0: %08lx LT0: %08lx LC0: %08lx\n", fp->lb0, fp->lt0, fp->lc0); - printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", + verbose_printk(KERN_NOTICE " LB1: %08lx LT1: %08lx LC1: %08lx\n", fp->lb1, fp->lt1, fp->lc1); - printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", + verbose_printk(KERN_NOTICE " B0 : %08lx L0 : %08lx M0 : %08lx I0 : %08lx\n", fp->b0, fp->l0, fp->m0, fp->i0); - printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", + verbose_printk(KERN_NOTICE " B1 : %08lx L1 : %08lx M1 : %08lx I1 : %08lx\n", fp->b1, fp->l1, fp->m1, fp->i1); - printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", + verbose_printk(KERN_NOTICE " B2 : %08lx L2 : %08lx M2 : %08lx I2 : %08lx\n", fp->b2, fp->l2, fp->m2, fp->i2); - printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", + verbose_printk(KERN_NOTICE " B3 : %08lx L3 : %08lx M3 : %08lx I3 : %08lx\n", fp->b3, fp->l3, fp->m3, fp->i3); - printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", + verbose_printk(KERN_NOTICE "A0.w: %08lx A0.x: %08lx A1.w: %08lx A1.x: %08lx\n", fp->a0w, fp->a0x, fp->a1w, fp->a1x); - printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", + verbose_printk(KERN_NOTICE "USP : %08lx ASTAT: %08lx\n", rdusp(), fp->astat); - printk(KERN_NOTICE "\n"); + verbose_printk(KERN_NOTICE "\n"); +#endif } #ifdef CONFIG_SYS_BFIN_SPINLOCK_L1 -- cgit v1.2.3 From f5623a3cf27284f5121296dec847a8f75e5d0691 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:51:15 +0800 Subject: Blackfin arch: update board defconfigs Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/configs/H8606_defconfig | 36 +++++++++++++++++++++-------------- 1 file changed, 22 insertions(+), 14 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/configs/H8606_defconfig b/arch/blackfin/configs/H8606_defconfig index ba0bee90b7e1..1fc31f1b762b 100644 --- a/arch/blackfin/configs/H8606_defconfig +++ b/arch/blackfin/configs/H8606_defconfig @@ -1,6 +1,6 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.22.12 +# Linux kernel version: 2.6.22.14 # # CONFIG_MMU is not set # CONFIG_FPU is not set @@ -192,7 +192,7 @@ CONFIG_CLKIN_HZ=25000000 # CONFIG_BFIN_KERNEL_CLOCK is not set CONFIG_MAX_VCO_HZ=400000000 CONFIG_MIN_VCO_HZ=50000000 -CONFIG_MAX_SCLK_HZ=133000000 +CONFIG_MAX_SCLK_HZ=133333333 CONFIG_MIN_SCLK_HZ=27000000 # @@ -516,7 +516,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y # # CONFIG_MTD_DATAFLASH is not set CONFIG_MTD_M25P80=y -CONFIG_M25PXX_USE_FAST_READ=y +# CONFIG_M25PXX_USE_FAST_READ is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -635,25 +635,25 @@ CONFIG_INPUT=y # CONFIG_INPUT_MOUSEDEV is not set # CONFIG_INPUT_JOYDEV is not set # CONFIG_INPUT_TSDEV is not set -CONFIG_INPUT_EVDEV=m +CONFIG_INPUT_EVDEV=y # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # -# CONFIG_INPUT_KEYBOARD is not set +CONFIG_INPUT_KEYBOARD=y +# CONFIG_KEYBOARD_ATKBD is not set +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set -CONFIG_INPUT_MISC=y -# CONFIG_INPUT_ATI_REMOTE is not set -# CONFIG_INPUT_ATI_REMOTE2 is not set -# CONFIG_INPUT_KEYSPAN_REMOTE is not set -# CONFIG_INPUT_POWERMATE is not set -# CONFIG_INPUT_YEALINK is not set -# CONFIG_INPUT_UINPUT is not set -# CONFIG_BF53X_PFBUTTONS is not set +# CONFIG_INPUT_MISC is not set # # Hardware I/O ports @@ -681,7 +681,15 @@ CONFIG_BFIN_TIMER_LATENCY=y # # Serial drivers # -# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_8250=y +# CONFIG_SERIAL_8250_CONSOLE is not set +CONFIG_SERIAL_8250_NR_UARTS=4 +CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +CONFIG_SERIAL_8250_EXTENDED=y +# CONFIG_SERIAL_8250_MANY_PORTS is not set +CONFIG_SERIAL_8250_SHARE_IRQ=y +# CONFIG_SERIAL_8250_DETECT_IRQ is not set +# CONFIG_SERIAL_8250_RSA is not set # # Non-8250 serial port support -- cgit v1.2.3 From 6d0b8c993dc0a26fe7a9ee8b839d1964bd0debd4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 18:05:02 +0800 Subject: Blackfin arch: remove non-bf54x ifdef logic since this file is only compiled on bf54x parts Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/head.S | 49 ++++------------------------------------- 1 file changed, 4 insertions(+), 45 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index 4d5cfeacb123..b0628164e5d9 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -73,25 +73,19 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; -#if defined(CONFIG_BF54x) + /* enable self refresh via SRREQ */ P2.H = hi(EBIU_RSTCTL); P2.L = lo(EBIU_RSTCTL); R0 = [P2]; BITSET (R0, 3); -#else - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITSET (R0, 24); -#endif [P2] = R0; SSYNC; -#if defined(CONFIG_BF54x) + + /* wait for SRACK bit to be set */ .LSRR_MODE: R0 = [P2]; CC = BITTST(R0, 4); if !CC JUMP .LSRR_MODE; -#endif r0 = CONFIG_VCO_MULT & 63; /* Load the VCO multiplier */ r0 = r0 << 9; /* Shift it over, */ @@ -123,7 +117,7 @@ ENTRY(_start_dma_code) w[p0] = r0.l; ssync; -#if defined(CONFIG_BF54x) + /* disable self refresh by clearing SRREQ */ P2.H = hi(EBIU_RSTCTL); P2.L = lo(EBIU_RSTCTL); R0 = [P2]; @@ -155,41 +149,6 @@ ENTRY(_start_dma_code) r0.h = hi(mem_DDRCTL2); [p0] = r0; ssync; -#else - p0.l = lo(EBIU_SDRRC); - p0.h = hi(EBIU_SDRRC); - r0 = mem_SDRRC; - w[p0] = r0.l; - ssync; - - p0.l = LO(EBIU_SDBCTL); - p0.h = HI(EBIU_SDBCTL); /* SDRAM Memory Bank Control Register */ - r0 = mem_SDBCTL; - w[p0] = r0.l; - ssync; - - P2.H = hi(EBIU_SDGCTL); - P2.L = lo(EBIU_SDGCTL); - R0 = [P2]; - BITCLR (R0, 24); - p0.h = hi(EBIU_SDSTAT); - p0.l = lo(EBIU_SDSTAT); - r2.l = w[p0]; - cc = bittst(r2,3); - if !cc jump .Lskip; - NOP; - BITSET (R0, 23); -.Lskip: - [P2] = R0; - SSYNC; - - R0.L = lo(mem_SDGCTL); - R0.H = hi(mem_SDGCTL); - R1 = [p2]; - R1 = R1 | R0; - [P2] = R1; - SSYNC; -#endif RTS; ENDPROC(_start_dma_code) -- cgit v1.2.3 From e482cad241c0b7108cbc94959307a73d19ba17d5 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Fri, 10 Oct 2008 18:21:45 +0800 Subject: Blackfin arch: print out error/warning if you are running on the incorrect CPU type Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/processor.h | 6 ++++ arch/blackfin/kernel/setup.c | 43 +++++++++++++++++---------- arch/blackfin/mach-bf527/include/mach/bf527.h | 19 ++++++++++-- arch/blackfin/mach-bf533/include/mach/bf533.h | 10 +++---- arch/blackfin/mach-bf537/include/mach/bf537.h | 10 +++---- arch/blackfin/mach-bf548/include/mach/bf548.h | 23 +++++++------- arch/blackfin/mach-bf561/include/mach/bf561.h | 6 ++-- 7 files changed, 76 insertions(+), 41 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index 6f3995b119d8..e3e9b41fa8db 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -134,6 +134,12 @@ static inline uint32_t __pure bfin_revid(void) return revid; } +static inline uint16_t __pure bfin_cpuid(void) +{ + return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12; + +} + static inline uint32_t __pure bfin_compiled_revid(void) { #if defined(CONFIG_BF_REV_0_0) diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 4267523912bd..74370f3707b9 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -813,17 +813,23 @@ void __init setup_arch(char **cmdline_p) printk(KERN_INFO "Compiled for ADSP-%s Rev none\n", CPU); else printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid()); - if (bfin_revid() != bfin_compiled_revid()) { - if (bfin_compiled_revid() == -1) - printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", - bfin_revid()); - else if (bfin_compiled_revid() != 0xffff) - printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", - bfin_compiled_revid(), bfin_revid()); + + if (unlikely(CPUID != bfin_cpuid())) + printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n", + CPU, bfin_cpuid(), bfin_revid()); + else { + if (bfin_revid() != bfin_compiled_revid()) { + if (bfin_compiled_revid() == -1) + printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n", + bfin_revid()); + else if (bfin_compiled_revid() != 0xffff) + printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n", + bfin_compiled_revid(), bfin_revid()); + } + if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) + printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", + CPU, bfin_revid()); } - if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX) - printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n", - CPU, bfin_revid()); printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n"); @@ -997,13 +1003,18 @@ static int show_cpuinfo(struct seq_file *m, void *v) } seq_printf(m, "processor\t: %d\n" - "vendor_id\t: %s\n" - "cpu family\t: 0x%x\n" - "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" - "stepping\t: %d\n", + "vendor_id\t: %s\n", *(unsigned int *)v, - vendor, - (bfin_read_CHIPID() & CHIPID_FAMILY), + vendor); + + if (CPUID == bfin_cpuid()) + seq_printf(m, "cpu family\t: 0x%04x\n", CPUID); + else + seq_printf(m, "cpu family\t: Compiled for:0x%04x, running on:0x%04x\n", + CPUID, bfin_cpuid()); + + seq_printf(m, "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n" + "stepping\t: %d\n", cpu, cclk/1000000, sclk/1000000, #ifdef CONFIG_MPU "mpu on", diff --git a/arch/blackfin/mach-bf527/include/mach/bf527.h b/arch/blackfin/mach-bf527/include/mach/bf527.h index 330041fde546..144f08d3f8ea 100644 --- a/arch/blackfin/mach-bf527/include/mach/bf527.h +++ b/arch/blackfin/mach-bf527/include/mach/bf527.h @@ -110,16 +110,31 @@ #ifdef CONFIG_BF527 #define CPU "BF527" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF526 +#define CPU "BF526" +#define CPUID 0x27e4 #endif #ifdef CONFIG_BF525 #define CPU "BF525" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF524 +#define CPU "BF524" +#define CPUID 0x27e4 +#endif +#ifdef CONFIG_BF523 +#define CPU "BF523" +#define CPUID 0x27e4 #endif #ifdef CONFIG_BF522 #define CPU "BF522" +#define CPUID 0x27e4 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF527_H__ */ diff --git a/arch/blackfin/mach-bf533/include/mach/bf533.h b/arch/blackfin/mach-bf533/include/mach/bf533.h index 949801112303..dfc8c1ad2d7a 100644 --- a/arch/blackfin/mach-bf533/include/mach/bf533.h +++ b/arch/blackfin/mach-bf533/include/mach/bf533.h @@ -141,19 +141,19 @@ #ifdef CONFIG_BF533 #define CPU "BF533" -#define CPUID 0x027a5000 +#define CPUID 0x27a5 #endif #ifdef CONFIG_BF532 #define CPU "BF532" -#define CPUID 0x0275A000 +#define CPUID 0x275A #endif #ifdef CONFIG_BF531 #define CPU "BF531" -#define CPUID 0x027a5000 +#define CPUID 0x27a5 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF533_H__ */ diff --git a/arch/blackfin/mach-bf537/include/mach/bf537.h b/arch/blackfin/mach-bf537/include/mach/bf537.h index 7a047e04e383..24d5c9d42323 100644 --- a/arch/blackfin/mach-bf537/include/mach/bf537.h +++ b/arch/blackfin/mach-bf537/include/mach/bf537.h @@ -121,19 +121,19 @@ #ifdef CONFIG_BF537 #define CPU "BF537" -#define CPUID 0x027c8000 +#define CPUID 0x27c8 #endif #ifdef CONFIG_BF536 #define CPU "BF536" -#define CPUID 0x027c8000 +#define CPUID 0x27c8 #endif #ifdef CONFIG_BF534 #define CPU "BF534" -#define CPUID 0x027c6000 +#define CPUID 0x27c6 #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF537_H__ */ diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h index 14f8a7b84544..49f9b403d458 100644 --- a/arch/blackfin/mach-bf548/include/mach/bf548.h +++ b/arch/blackfin/mach-bf548/include/mach/bf548.h @@ -106,20 +106,23 @@ #if defined(CONFIG_BF542) # define CPU "BF542" -# define CPUID 0x027c8000 +# define CPUID 0x27de #elif defined(CONFIG_BF544) -# define CPU "BF544" -# define CPUID 0x027c8000 +# define CPU "BF544" +# define CPUID 0x27de #elif defined(CONFIG_BF547) -# define CPU "BF547" +# define CPU "BF547" +# define CPUID 0x27de #elif defined(CONFIG_BF548) -# define CPU "BF548" -# define CPUID 0x027c6000 +# define CPU "BF548" +# define CPUID 0x27de #elif defined(CONFIG_BF549) -# define CPU "BF549" -#else -# define CPU "UNKNOWN" -# define CPUID 0x0 +# define CPU "BF549" +# define CPUID 0x27de +#endif + +#ifndef CPU +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF48_H__ */ diff --git a/arch/blackfin/mach-bf561/include/mach/bf561.h b/arch/blackfin/mach-bf561/include/mach/bf561.h index 7787caad3555..18b1b3a223ab 100644 --- a/arch/blackfin/mach-bf561/include/mach/bf561.h +++ b/arch/blackfin/mach-bf561/include/mach/bf561.h @@ -211,11 +211,11 @@ #ifdef CONFIG_BF561 #define CPU "BF561" -#define CPUID 0x027bb000 +#define CPUID 0x27bb #endif + #ifndef CPU -#define CPU "UNKNOWN" -#define CPUID 0x0 +#error Unknown CPU type - This kernel doesn't seem to be configured properly #endif #endif /* __MACH_BF561_H__ */ -- cgit v1.2.3 From 9a6f5ae1f1f3c37aad938a1c82db248a3f95a629 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 18:57:21 +0800 Subject: Blackfin arch: bfin_reset() is an internal reboot function ... everyone should go through machine_restart() Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfin-global.h | 1 - arch/blackfin/kernel/reboot.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index f842ea3bfc19..56dcb0a2d244 100644 --- a/arch/blackfin/include/asm/bfin-global.h +++ b/arch/blackfin/include/asm/bfin-global.h @@ -63,7 +63,6 @@ extern void bfin_dcache_init(void); extern void init_exception_vectors(void); extern void program_IAR(void); -extern void bfin_reset(void); extern asmlinkage void lower_to_irq14(void); extern asmlinkage void bfin_return_from_exception(void); extern asmlinkage void evt14_softirq(void); diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index b0a8f89cc9b6..d0ead640d992 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -20,7 +20,7 @@ * the core reset. */ __attribute__((l1_text)) -void bfin_reset(void) +static void bfin_reset(void) { /* Wait for completion of "system" events such as cache line * line fills so that we avoid infinite stalls later on as -- cgit v1.2.3 From 4e8086d65bd0a606434a4b16611653387f8c9698 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 21:07:55 +0800 Subject: Blackfin arch: update anomaly headers to match the latest sheet Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/include/mach/anomaly.h | 158 +++++++++++++++++------- arch/blackfin/mach-bf533/include/mach/anomaly.h | 49 ++++---- arch/blackfin/mach-bf537/include/mach/anomaly.h | 2 + arch/blackfin/mach-bf548/include/mach/anomaly.h | 91 ++++++++++++-- arch/blackfin/mach-bf561/include/mach/anomaly.h | 2 + 5 files changed, 227 insertions(+), 75 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf527/include/mach/anomaly.h b/arch/blackfin/mach-bf527/include/mach/anomaly.h index dc26912430ee..62373e61c585 100644 --- a/arch/blackfin/mach-bf527/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf527/include/mach/anomaly.h @@ -7,12 +7,24 @@ */ /* This file shoule be up to date with: - * - Revision C, 01/25/2008; ADSP-BF527 Blackfin Processor Anomaly List + * - Revision B, 08/12/2008; ADSP-BF526 Blackfin Processor Anomaly List + * - Revision E, 08/18/2008; ADSP-BF527 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ +#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__) +# define ANOMALY_BF526 1 +#else +# define ANOMALY_BF526 0 +#endif +#if defined(__ADSPBF523__) || defined(__ADSPBF525__) || defined(__ADSPBF527__) +# define ANOMALY_BF527 1 +#else +# define ANOMALY_BF527 0 +#endif + /* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ #define ANOMALY_05000074 (1) /* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */ @@ -23,70 +35,124 @@ #define ANOMALY_05000245 (1) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ #define ANOMALY_05000265 (1) -/* New Feature: EMAC TX DMA Word Alignment */ -#define ANOMALY_05000285 (1) +/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ +#define ANOMALY_05000310 (1) /* Errors when SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (ANOMALY_BF527) +/* PPI Is Level-Sensitive on First Transfer In Single Frame Sync Modes */ +#define ANOMALY_05000313 (__SILICON_REVISION__ < 2) /* Incorrect Access of OTP_STATUS During otp_write() Function */ -#define ANOMALY_05000328 (1) +#define ANOMALY_05000328 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Disallowed Configuration Prevents Subsequent Allowed Configuration on Host DMA Port */ -#define ANOMALY_05000337 (1) +#define ANOMALY_05000337 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Ethernet MAC MDIO Reads Do Not Meet IEEE Specification */ -#define ANOMALY_05000341 (1) +#define ANOMALY_05000341 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* TWI May Not Operate Correctly Under Certain Signal Termination Conditions */ -#define ANOMALY_05000342 (1) +#define ANOMALY_05000342 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* USB Calibration Value Is Not Initialized */ -#define ANOMALY_05000346 (1) +#define ANOMALY_05000346 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* USB Calibration Value to use */ #define ANOMALY_05000346_value 0xE510 /* Preboot Routine Incorrectly Alters Reset Value of USB Register */ -#define ANOMALY_05000347 (1) +#define ANOMALY_05000347 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Security Features Are Not Functional */ -#define ANOMALY_05000348 (__SILICON_REVISION__ < 1) +#define ANOMALY_05000348 (ANOMALY_BF527 && __SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Function Performs Improper System Reset */ +#define ANOMALY_05000353 (ANOMALY_BF526) /* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ -#define ANOMALY_05000355 (1) +#define ANOMALY_05000355 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ -#define ANOMALY_05000357 (1) +#define ANOMALY_05000357 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Incorrect Revision Number in DSPID Register */ -#define ANOMALY_05000364 (__SILICON_REVISION__ > 0) +#define ANOMALY_05000364 (ANOMALY_BF527 && __SILICON_REVISION__ == 1) /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ #define ANOMALY_05000366 (1) -/* New Feature: Higher Default CCLK Rate */ -#define ANOMALY_05000368 (1) +/* Incorrect Default CSEL Value in PLL_DIV */ +#define ANOMALY_05000368 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Authentication Fails To Initiate */ -#define ANOMALY_05000376 (__SILICON_REVISION__ > 0) +#define ANOMALY_05000376 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* Data Read From L3 Memory by USB DMA May be Corrupted */ -#define ANOMALY_05000380 (1) -/* USB Full-speed Mode not Fully Tested */ -#define ANOMALY_05000381 (1) -/* New Feature: Boot from OTP Memory */ -#define ANOMALY_05000385 (1) -/* New Feature: bfrom_SysControl() Routine */ -#define ANOMALY_05000386 (1) -/* New Feature: Programmable Preboot Settings */ -#define ANOMALY_05000387 (1) +#define ANOMALY_05000380 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* 8-Bit NAND Flash Boot Mode Not Functional */ +#define ANOMALY_05000382 (__SILICON_REVISION__ < 2) +/* Host Must Not Read Back During Host DMA Boot */ +#define ANOMALY_05000384 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Boot from OTP Memory Not Functional */ +#define ANOMALY_05000385 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Routine Not Functional */ +#define ANOMALY_05000386 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Programmable Preboot Settings Not Functional */ +#define ANOMALY_05000387 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* CRC32 Checksum Support Not Functional */ +#define ANOMALY_05000388 (__SILICON_REVISION__ < 2) /* Reset Vector Must Not Be in SDRAM Memory Space */ -#define ANOMALY_05000389 (1) -/* New Feature: pTempCurrent Added to ADI_BOOT_DATA Structure */ -#define ANOMALY_05000392 (1) -/* New Feature: dTempByteCount Value Increased in ADI_BOOT_DATA Structure */ -#define ANOMALY_05000393 (1) -/* New Feature: Log Buffer Functionality */ -#define ANOMALY_05000394 (1) -/* New Feature: Hook Routine Functionality */ -#define ANOMALY_05000395 (1) -/* New Feature: Header Indirect Bit */ -#define ANOMALY_05000396 (1) -/* New Feature: BK_ONES, BK_ZEROS, and BK_DATECODE Constants */ -#define ANOMALY_05000397 (1) -/* New Feature: SWRESET, DFRESET and WDRESET Bits Added to SYSCR Register */ -#define ANOMALY_05000398 (1) -/* New Feature: BCODE_NOBOOT Added to BCODE Field of SYSCR Register */ -#define ANOMALY_05000399 (1) +#define ANOMALY_05000389 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* pTempCurrent Not Present in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000392 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Deprecated Value of dTempByteCount in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000393 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Log Buffer Not Functional */ +#define ANOMALY_05000394 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Hook Routine Not Functional */ +#define ANOMALY_05000395 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Header Indirect Bit Not Functional */ +#define ANOMALY_05000396 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* BK_ONES, BK_ZEROS, and BK_DATECODE Constants Not Functional */ +#define ANOMALY_05000397 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* SWRESET, DFRESET and WDRESET Bits in the SYSCR Register Not Functional */ +#define ANOMALY_05000398 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* BCODE_NOBOOT in BCODE Field of SYSCR Register Not Functional */ +#define ANOMALY_05000399 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) /* PPI Data Signals D0 and D8 do not Tristate After Disabling PPI */ -#define ANOMALY_05000401 (1) +#define ANOMALY_05000401 (__SILICON_REVISION__ < 2) +/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ +#define ANOMALY_05000403 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Disallows Certain User Interrupts */ +#define ANOMALY_05000404 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Does Not Save/Restore Full Context */ +#define ANOMALY_05000405 (1) +/* Lockbox SESR Firmware Arguments Are Not Retained After First Initialization */ +#define ANOMALY_05000407 (__SILICON_REVISION__ < 2) +/* Lockbox Firmware Memory Cleanup Routine Does not Clear Registers */ +#define ANOMALY_05000408 (1) +/* Lockbox firmware leaves MDMA0 channel enabled */ +#define ANOMALY_05000409 (__SILICON_REVISION__ < 2) +/* Incorrect Default Internal Voltage Regulator Setting */ +#define ANOMALY_05000410 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Function Cannot be Used to Enter Power Saving Modes */ +#define ANOMALY_05000411 (__SILICON_REVISION__ < 2) +/* OTP_CHECK_FOR_PREV_WRITE Bit is Not Functional in bfrom_OtpWrite() API */ +#define ANOMALY_05000414 (__SILICON_REVISION__ < 2) +/* DEB2_URGENT Bit Not Functional */ +#define ANOMALY_05000415 (__SILICON_REVISION__ < 2) +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) +/* SPORT0 Ignores External TSCLK0 on PG14 When TMR6 is an Output */ +#define ANOMALY_05000417 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* tSFSPE and tHFSPE Do Not Meet Data Sheet Specifications */ +#define ANOMALY_05000418 (__SILICON_REVISION__ < 2) +/* USB PLL_STABLE Bit May Not Accurately Reflect the USB PLL's Status */ +#define ANOMALY_05000420 (__SILICON_REVISION__ < 2) +/* TWI Fall Time (Tof) May Violate the Minimum I2C Specification */ +#define ANOMALY_05000421 (1) +/* TWI Input Capacitance (Ci) May Violate the Maximum I2C Specification */ +#define ANOMALY_05000422 (ANOMALY_BF527 && __SILICON_REVISION__ > 1) +/* Certain Ethernet Frames With Errors are Misclassified in RMII Mode */ +#define ANOMALY_05000423 (__SILICON_REVISION__ < 2) +/* Internal Voltage Regulator Not Trimmed */ +#define ANOMALY_05000424 (ANOMALY_BF527 && __SILICON_REVISION__ < 2) +/* Multichannel SPORT Channel Misalignment Under Specific Configuration */ +#define ANOMALY_05000425 (__SILICON_REVISION__ < 2) +/* Speculative Fetches of Indirect-Pointer Instructions Can Cause Spurious Hardware Errors */ +#define ANOMALY_05000426 (1) +/* WB_EDGE Bit in NFC_IRQSTAT Incorrectly Reflects Buffer Status Instead of IRQ Status */ +#define ANOMALY_05000429 (__SILICON_REVISION__ < 2) +/* Software System Reset Corrupts PLL_LOCKCNT Register */ +#define ANOMALY_05000430 (ANOMALY_BF527 && __SILICON_REVISION__ > 1) +/* bfrom_SysControl() Does Not Clear SIC_IWR1 Before Executing PLL Programming Sequence */ +#define ANOMALY_05000432 (ANOMALY_BF526) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -99,6 +165,8 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000285 (0) +#define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) diff --git a/arch/blackfin/mach-bf533/include/mach/anomaly.h b/arch/blackfin/mach-bf533/include/mach/anomaly.h index 8f7ea112fd3a..f544fc56959a 100644 --- a/arch/blackfin/mach-bf533/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf533/include/mach/anomaly.h @@ -7,7 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision C, 02/08/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List + * - Revision D, 06/18/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -97,11 +97,11 @@ /* UART STB Bit Incorrectly Affects Receiver Setting */ #define ANOMALY_05000231 (__SILICON_REVISION__ < 5) /* PPI_FS3 Is Not Driven in 2 or 3 Internal Frame Sync Transmit Modes */ -#define ANOMALY_05000233 (__SILICON_REVISION__ < 4) +#define ANOMALY_05000233 (__SILICON_REVISION__ < 6) /* Incorrect Revision Number in DSPID Register */ #define ANOMALY_05000234 (__SILICON_REVISION__ == 4) /* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */ -#define ANOMALY_05000242 (__SILICON_REVISION__ < 4) +#define ANOMALY_05000242 (__SILICON_REVISION__ < 5) /* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */ #define ANOMALY_05000244 (__SILICON_REVISION__ < 5) /* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */ @@ -131,7 +131,7 @@ /* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */ #define ANOMALY_05000264 (__SILICON_REVISION__ < 5) /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ -#define ANOMALY_05000265 (__SILICON_REVISION__ < 5) +#define ANOMALY_05000265 (1) /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */ #define ANOMALY_05000269 (__SILICON_REVISION__ < 5) /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */ @@ -141,56 +141,59 @@ /* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */ #define ANOMALY_05000272 (1) /* Writes to Synchronous SDRAM Memory May Be Lost */ -#define ANOMALY_05000273 (1) +#define ANOMALY_05000273 (__SILICON_REVISION__ < 6) /* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */ #define ANOMALY_05000276 (1) /* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */ -#define ANOMALY_05000277 (1) +#define ANOMALY_05000277 (__SILICON_REVISION__ < 6) /* Disabling Peripherals with DMA Running May Cause DMA System Instability */ -#define ANOMALY_05000278 (1) +#define ANOMALY_05000278 (__SILICON_REVISION__ < 6) /* False Hardware Error Exception When ISR Context Is Not Restored */ -#define ANOMALY_05000281 (1) +#define ANOMALY_05000281 (__SILICON_REVISION__ < 6) /* Memory DMA Corruption with 32-Bit Data and Traffic Control */ -#define ANOMALY_05000282 (1) +#define ANOMALY_05000282 (__SILICON_REVISION__ < 6) /* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */ -#define ANOMALY_05000283 (1) +#define ANOMALY_05000283 (__SILICON_REVISION__ < 6) /* SPORTs May Receive Bad Data If FIFOs Fill Up */ -#define ANOMALY_05000288 (1) +#define ANOMALY_05000288 (__SILICON_REVISION__ < 6) /* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */ -#define ANOMALY_05000301 (1) +#define ANOMALY_05000301 (__SILICON_REVISION__ < 6) /* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */ #define ANOMALY_05000302 (__SILICON_REVISION__ < 5) /* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ #define ANOMALY_05000305 (__SILICON_REVISION__ < 5) /* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */ #define ANOMALY_05000306 (__SILICON_REVISION__ < 5) +/* SCKELOW Bit Does Not Maintain State Through Hibernate */ +#define ANOMALY_05000307 (1) /* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ #define ANOMALY_05000310 (1) /* Erroneous Flag (GPIO) Pin Operations under Specific Sequences */ -#define ANOMALY_05000311 (1) +#define ANOMALY_05000311 (__SILICON_REVISION__ < 6) /* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ -#define ANOMALY_05000312 (1) +#define ANOMALY_05000312 (__SILICON_REVISION__ < 6) /* PPI Is Level-Sensitive on First Transfer */ -#define ANOMALY_05000313 (1) +#define ANOMALY_05000313 (__SILICON_REVISION__ < 6) /* Killed System MMR Write Completes Erroneously On Next System MMR Access */ -#define ANOMALY_05000315 (1) +#define ANOMALY_05000315 (__SILICON_REVISION__ < 6) /* Internal Voltage Regulator Values of 1.05V, 1.10V and 1.15V Not Allowed for LQFP Packages */ -#define ANOMALY_05000319 (ANOMALY_BF531 || ANOMALY_BF532) +#define ANOMALY_05000319 ((ANOMALY_BF531 || ANOMALY_BF532) && __SILICON_REVISION__ < 6) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ -#define ANOMALY_05000357 (1) +#define ANOMALY_05000357 (__SILICON_REVISION__ < 6) /* UART Break Signal Issues */ #define ANOMALY_05000363 (__SILICON_REVISION__ < 5) /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ #define ANOMALY_05000366 (1) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (__SILICON_REVISION__ < 6) /* PPI Does Not Start Properly In Specific Mode */ -#define ANOMALY_05000400 (__SILICON_REVISION__ >= 5) +#define ANOMALY_05000400 (__SILICON_REVISION__ == 5) /* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */ -#define ANOMALY_05000402 (__SILICON_REVISION__ >= 5) +#define ANOMALY_05000402 (__SILICON_REVISION__ == 5) /* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ #define ANOMALY_05000403 (1) - +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) /* These anomalies have been "phased" out of analog.com anomaly sheets and are * here to show running on older silicon just isn't feasible. @@ -268,5 +271,7 @@ /* Anomalies that don't exist on this proc */ #define ANOMALY_05000266 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000353 (1) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf537/include/mach/anomaly.h b/arch/blackfin/mach-bf537/include/mach/anomaly.h index 8460ab9c324f..c68992494f9e 100644 --- a/arch/blackfin/mach-bf537/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf537/include/mach/anomaly.h @@ -158,6 +158,8 @@ #define ANOMALY_05000266 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000353 (1) #define ANOMALY_05000363 (0) +#define ANOMALY_05000386 (1) #endif diff --git a/arch/blackfin/mach-bf548/include/mach/anomaly.h b/arch/blackfin/mach-bf548/include/mach/anomaly.h index d02cd8038285..816b09278f62 100644 --- a/arch/blackfin/mach-bf548/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf548/include/mach/anomaly.h @@ -2,18 +2,18 @@ * File: include/asm-blackfin/mach-bf548/anomaly.h * Bugs: Enter bugs at http://blackfin.uclinux.org/ * - * Copyright (C) 2004-2007 Analog Devices Inc. + * Copyright (C) 2004-2008 Analog Devices Inc. * Licensed under the GPL-2 or later. */ /* This file shoule be up to date with: - * - Revision E, 11/28/2007; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List + * - Revision G, 08/07/2008; ADSP-BF542/BF544/BF547/BF548/BF549 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ -/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */ +/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ #define ANOMALY_05000074 (1) /* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */ #define ANOMALY_05000119 (1) @@ -36,14 +36,14 @@ /* TWI Slave Boot Mode Is Not Functional */ #define ANOMALY_05000324 (__SILICON_REVISION__ < 1) /* External FIFO Boot Mode Is Not Functional */ -#define ANOMALY_05000325 (__SILICON_REVISION__ < 1) +#define ANOMALY_05000325 (__SILICON_REVISION__ < 2) /* Data Lost When Core and DMA Accesses Are Made to the USB FIFO Simultaneously */ #define ANOMALY_05000327 (__SILICON_REVISION__ < 1) /* Incorrect Access of OTP_STATUS During otp_write() Function */ #define ANOMALY_05000328 (__SILICON_REVISION__ < 1) /* Synchronous Burst Flash Boot Mode Is Not Functional */ #define ANOMALY_05000329 (__SILICON_REVISION__ < 1) -/* Host DMA Boot Mode Is Not Functional */ +/* Host DMA Boot Modes Are Not Functional */ #define ANOMALY_05000330 (__SILICON_REVISION__ < 1) /* Inadequate Timing Margins on DDR DQS to DQ and DQM Skew */ #define ANOMALY_05000334 (__SILICON_REVISION__ < 1) @@ -63,26 +63,100 @@ #define ANOMALY_05000346 (__SILICON_REVISION__ < 1) /* USB Calibration Value to use */ #define ANOMALY_05000346_value 0x5411 -/* Boot ROM Kernel Incorrectly Alters Reset Value of USB Register */ +/* Preboot Routine Incorrectly Alters Reset Value of USB Register */ #define ANOMALY_05000347 (__SILICON_REVISION__ < 1) /* Data Lost when Core Reads SDH Data FIFO */ #define ANOMALY_05000349 (__SILICON_REVISION__ < 1) /* PLL Status Register Is Inaccurate */ #define ANOMALY_05000351 (__SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Function Performs Improper System Reset */ +#define ANOMALY_05000353 (__SILICON_REVISION__ < 2) +/* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ +#define ANOMALY_05000355 (__SILICON_REVISION__ < 1) +/* System Stalled During A Core Access To AMC While A Core Access To NFC FIFO Is Required */ +#define ANOMALY_05000356 (__SILICON_REVISION__ < 1) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ #define ANOMALY_05000357 (1) /* External Memory Read Access Hangs Core With PLL Bypass */ #define ANOMALY_05000360 (1) /* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ #define ANOMALY_05000365 (1) +/* WURESET Bit In SYSCR Register Does Not Properly Indicate Hibernate Wake-Up */ +#define ANOMALY_05000367 (__SILICON_REVISION__ < 1) /* Addressing Conflict between Boot ROM and Asynchronous Memory */ #define ANOMALY_05000369 (1) +/* Default PLL MSEL and SSEL Settings Can Cause 400MHz Product To Violate Specifications */ +#define ANOMALY_05000370 (__SILICON_REVISION__ < 1) /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ -#define ANOMALY_05000371 (1) +#define ANOMALY_05000371 (__SILICON_REVISION__ < 2) +/* USB DP/DM Data Pins May Lose State When Entering Hibernate */ +#define ANOMALY_05000372 (__SILICON_REVISION__ < 1) /* Mobile DDR Operation Not Functional */ #define ANOMALY_05000377 (1) /* Security/Authentication Speedpath Causes Authentication To Fail To Initiate */ -#define ANOMALY_05000378 (1) +#define ANOMALY_05000378 (__SILICON_REVISION__ < 2) +/* 16-Bit NAND FLASH Boot Mode Is Not Functional */ +#define ANOMALY_05000379 (1) +/* 8-Bit NAND Flash Boot Mode Not Functional */ +#define ANOMALY_05000382 (__SILICON_REVISION__ < 1) +/* Some ATAPI Modes Are Not Functional */ +#define ANOMALY_05000383 (1) +/* Boot from OTP Memory Not Functional */ +#define ANOMALY_05000385 (__SILICON_REVISION__ < 1) +/* bfrom_SysControl() Firmware Routine Not Functional */ +#define ANOMALY_05000386 (__SILICON_REVISION__ < 1) +/* Programmable Preboot Settings Not Functional */ +#define ANOMALY_05000387 (__SILICON_REVISION__ < 1) +/* CRC32 Checksum Support Not Functional */ +#define ANOMALY_05000388 (__SILICON_REVISION__ < 1) +/* Reset Vector Must Not Be in SDRAM Memory Space */ +#define ANOMALY_05000389 (__SILICON_REVISION__ < 1) +/* Changed Meaning of BCODE Field in SYSCR Register */ +#define ANOMALY_05000390 (__SILICON_REVISION__ < 1) +/* Repeated Boot from Page-Mode or Burst-Mode Flash Memory May Fail */ +#define ANOMALY_05000391 (__SILICON_REVISION__ < 1) +/* pTempCurrent Not Present in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000392 (__SILICON_REVISION__ < 1) +/* Deprecated Value of dTempByteCount in ADI_BOOT_DATA Structure */ +#define ANOMALY_05000393 (__SILICON_REVISION__ < 1) +/* Log Buffer Not Functional */ +#define ANOMALY_05000394 (__SILICON_REVISION__ < 1) +/* Hook Routine Not Functional */ +#define ANOMALY_05000395 (__SILICON_REVISION__ < 1) +/* Header Indirect Bit Not Functional */ +#define ANOMALY_05000396 (__SILICON_REVISION__ < 1) +/* BK_ONES, BK_ZEROS, and BK_DATECODE Constants Not Functional */ +#define ANOMALY_05000397 (__SILICON_REVISION__ < 1) +/* Lockbox SESR Disallows Certain User Interrupts */ +#define ANOMALY_05000404 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Does Not Save/Restore Full Context */ +#define ANOMALY_05000405 (1) +/* Lockbox SESR Argument Checking Does Not Check L2 Memory Protection Range */ +#define ANOMALY_05000406 (__SILICON_REVISION__ < 2) +/* Lockbox SESR Firmware Arguments Are Not Retained After First Initialization */ +#define ANOMALY_05000407 (__SILICON_REVISION__ < 2) +/* Lockbox Firmware Memory Cleanup Routine Does not Clear Registers */ +#define ANOMALY_05000408 (1) +/* Lockbox firmware leaves MDMA0 channel enabled */ +#define ANOMALY_05000409 (__SILICON_REVISION__ < 2) +/* bfrom_SysControl() Firmware Function Cannot be Used to Enter Power Saving Modes */ +#define ANOMALY_05000411 (__SILICON_REVISION__ < 2) +/* NAND Boot Mode Not Compatible With Some NAND Flash Devices */ +#define ANOMALY_05000413 (__SILICON_REVISION__ < 2) +/* OTP_CHECK_FOR_PREV_WRITE Bit is Not Functional in bfrom_OtpWrite() API */ +#define ANOMALY_05000414 (__SILICON_REVISION__ < 2) +/* Speculative Fetches Can Cause Undesired External FIFO Operations */ +#define ANOMALY_05000416 (1) +/* Multichannel SPORT Channel Misalignment Under Specific Configuration */ +#define ANOMALY_05000425 (1) +/* Speculative Fetches of Indirect-Pointer Instructions Can Cause Spurious Hardware Errors */ +#define ANOMALY_05000426 (1) +/* CORE_EPPI_PRIO bit and SYS_EPPI_PRIO bit in the HMDMA1_CONTROL register are not functional */ +#define ANOMALY_05000427 (__SILICON_REVISION__ < 2) +/* WB_EDGE Bit in NFC_IRQSTAT Incorrectly Behaves as a Buffer Status Bit Instead of an IRQ Status Bit */ +#define ANOMALY_05000429 (__SILICON_REVISION__ < 2) +/* Software System Reset Corrupts PLL_LOCKCNT Register */ +#define ANOMALY_05000430 (__SILICON_REVISION__ >= 2) /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -95,6 +169,7 @@ #define ANOMALY_05000263 (0) #define ANOMALY_05000266 (0) #define ANOMALY_05000273 (0) +#define ANOMALY_05000307 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) #define ANOMALY_05000363 (0) diff --git a/arch/blackfin/mach-bf561/include/mach/anomaly.h b/arch/blackfin/mach-bf561/include/mach/anomaly.h index 5c5d7d7d695f..22990df04ae1 100644 --- a/arch/blackfin/mach-bf561/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf561/include/mach/anomaly.h @@ -270,5 +270,7 @@ #define ANOMALY_05000183 (0) #define ANOMALY_05000273 (0) #define ANOMALY_05000311 (0) +#define ANOMALY_05000353 (1) +#define ANOMALY_05000386 (1) #endif -- cgit v1.2.3 From cdbf4c3c5f4909767c21f47f68f2ee57a8b36b3b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 13 Oct 2008 11:33:43 +0800 Subject: Blackfin arch: use the Blackfin on-chip ROM to do software reset when possible Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfrom.h | 85 +++++++++++++++++++++++++++++++++++++++ arch/blackfin/kernel/reboot.c | 10 ++++- 2 files changed, 94 insertions(+), 1 deletion(-) create mode 100644 arch/blackfin/include/asm/bfrom.h (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/bfrom.h b/arch/blackfin/include/asm/bfrom.h new file mode 100644 index 000000000000..cfe8024c3b2f --- /dev/null +++ b/arch/blackfin/include/asm/bfrom.h @@ -0,0 +1,85 @@ +/* Blackfin on-chip ROM API + * + * Copyright 2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __BFROM_H__ +#define __BFROM_H__ + +#include + +/* Possible syscontrol action flags */ +#define SYSCTRL_READ 0x00000000 /* read registers */ +#define SYSCTRL_WRITE 0x00000001 /* write registers */ +#define SYSCTRL_SYSRESET 0x00000002 /* perform system reset */ +#define SYSCTRL_CORERESET 0x00000004 /* perform core reset */ +#define SYSCTRL_SOFTRESET 0x00000006 /* perform core and system reset */ +#define SYSCTRL_VRCTL 0x00000010 /* read/write VR_CTL register */ +#define SYSCTRL_EXTVOLTAGE 0x00000020 /* VDDINT supplied externally */ +#define SYSCTRL_INTVOLTAGE 0x00000000 /* VDDINT generated by on-chip regulator */ +#define SYSCTRL_OTPVOLTAGE 0x00000040 /* For Factory Purposes Only */ +#define SYSCTRL_PLLCTL 0x00000100 /* read/write PLL_CTL register */ +#define SYSCTRL_PLLDIV 0x00000200 /* read/write PLL_DIV register */ +#define SYSCTRL_LOCKCNT 0x00000400 /* read/write PLL_LOCKCNT register */ +#define SYSCTRL_PLLSTAT 0x00000800 /* read/write PLL_STAT register */ + +typedef struct ADI_SYSCTRL_VALUES { + uint16_t uwVrCtl; + uint16_t uwPllCtl; + uint16_t uwPllDiv; + uint16_t uwPllLockCnt; + uint16_t uwPllStat; +} ADI_SYSCTRL_VALUES; + +static uint32_t (* const bfrom_SysControl)(uint32_t action_flags, ADI_SYSCTRL_VALUES *power_settings, void *reserved) = (void *)0xEF000038; + +/* We need a dedicated function since we need to screw with the stack pointer + * when resetting. The on-chip ROM will save/restore registers on the stack + * when doing a system reset, so the stack cannot be outside of the chip. + */ +__attribute__((__noreturn__)) +static inline void bfrom_SoftReset(void *new_stack) +{ + while (1) + __asm__ __volatile__( + "sp = %[stack];" + "jump (%[bfrom_syscontrol]);" + : : [bfrom_syscontrol] "p"(bfrom_SysControl), + "q0"(SYSCTRL_SOFTRESET), + "q1"(0), + "q2"(NULL), + [stack] "p"(new_stack) + ); +} + +/* OTP Functions */ +static uint32_t (* const bfrom_OtpCommand)(uint32_t command, uint32_t value) = (void *)0xEF000018; +static uint32_t (* const bfrom_OtpRead)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001A; +static uint32_t (* const bfrom_OtpWrite)(uint32_t page, uint32_t flags, uint64_t *page_content) = (void *)0xEF00001C; + +/* otp command: defines for "command" */ +#define OTP_INIT 0x00000001 +#define OTP_CLOSE 0x00000002 + +/* otp read/write: defines for "flags" */ +#define OTP_LOWER_HALF 0x00000000 /* select upper/lower 64-bit half (bit 0) */ +#define OTP_UPPER_HALF 0x00000001 +#define OTP_NO_ECC 0x00000010 /* do not use ECC */ +#define OTP_LOCK 0x00000020 /* sets page protection bit for page */ +#define OTP_CHECK_FOR_PREV_WRITE 0x00000080 + +/* Return values for all functions */ +#define OTP_SUCCESS 0x00000000 +#define OTP_MASTER_ERROR 0x001 +#define OTP_WRITE_ERROR 0x003 +#define OTP_READ_ERROR 0x005 +#define OTP_ACC_VIO_ERROR 0x009 +#define OTP_DATA_MULT_ERROR 0x011 +#define OTP_ECC_MULT_ERROR 0x021 +#define OTP_PREV_WR_ERROR 0x041 +#define OTP_DATA_SB_WARN 0x100 +#define OTP_ECC_SB_WARN 0x200 + +#endif diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c index d0ead640d992..ae97ca407b0d 100644 --- a/arch/blackfin/kernel/reboot.c +++ b/arch/blackfin/kernel/reboot.c @@ -10,6 +10,7 @@ #include #include #include +#include /* A system soft reset makes external memory unusable so force * this function into L1. We use the compiler ssync here rather @@ -74,7 +75,14 @@ void machine_restart(char *cmd) { native_machine_restart(cmd); local_irq_disable(); - bfin_reset(); + if (ANOMALY_05000353 || ANOMALY_05000386) + bfin_reset(); + else + /* the bootrom checks to see how it was reset and will + * automatically perform a software reset for us when + * it starts executing boot + */ + asm("raise 1;"); } __attribute__((weak)) -- cgit v1.2.3 From ad5dd977430216059d8344ccc516f11be4a37082 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 21:17:11 +0800 Subject: Blackfin arch: make sure L2 start and length are always defined (fixes building on BF542) Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf548/include/mach/mem_map.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf548/include/mach/mem_map.h b/arch/blackfin/mach-bf548/include/mach/mem_map.h index f99f47bc3a07..a2228428dc06 100644 --- a/arch/blackfin/mach-bf548/include/mach/mem_map.h +++ b/arch/blackfin/mach-bf548/include/mach/mem_map.h @@ -94,13 +94,13 @@ #endif /*CONFIG_BFIN_DCACHE*/ /* Level 2 Memory */ -#if !defined(CONFIG_BF542) -# define L2_START 0xFEB00000 -# if defined(CONFIG_BF544) -# define L2_LENGTH 0x10000 -# else -# define L2_LENGTH 0x20000 -# endif +#define L2_START 0xFEB00000 +#if defined(CONFIG_BF542) +# define L2_LENGTH 0 +#elif defined(CONFIG_BF544) +# define L2_LENGTH 0x10000 +#else +# define L2_LENGTH 0x20000 #endif /* Scratch Pad Memory */ -- cgit v1.2.3 From fecc8d6d5611a6b1dce4a6cff4713f390056aa1c Mon Sep 17 00:00:00 2001 From: Graf Yang Date: Fri, 10 Oct 2008 21:23:29 +0800 Subject: Blackfin arch: Remove useless head file Signed-off-by: Graf Yang Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cpumask.h | 6 ------ 1 file changed, 6 deletions(-) delete mode 100644 arch/blackfin/include/asm/cpumask.h (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/cpumask.h b/arch/blackfin/include/asm/cpumask.h deleted file mode 100644 index b20a8e9012cb..000000000000 --- a/arch/blackfin/include/asm/cpumask.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_BLACKFIN_CPUMASK_H -#define _ASM_BLACKFIN_CPUMASK_H - -#include - -#endif /* _ASM_BLACKFIN_CPUMASK_H */ -- cgit v1.2.3 From 3094c981f2d567f0a442687ced24a5340aa10b6c Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Fri, 10 Oct 2008 21:22:01 +0800 Subject: Blackfin arch: fix a typo in comments Signed-off-by: Bryan Wu --- arch/blackfin/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 74370f3707b9..7054594831c5 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -411,7 +411,7 @@ static __init void parse_cmdline_early(char *cmdline_p) * [_rambase, _ramstart]: kernel image * [memory_start, memory_end]: dynamic memory managed by kernel * [memory_end, _ramend]: reserved memory - * [meory_mtd_start(memory_end), + * [memory_mtd_start(memory_end), * memory_mtd_start + mtd_size]: rootfs (if any) * [_ramend - DMA_UNCACHED_REGION, * _ramend]: uncached DMA region -- cgit v1.2.3 From 58c35bd31f8b577e03d904c214b55b3d91369a85 Mon Sep 17 00:00:00 2001 From: Vitja Makarov Date: Mon, 13 Oct 2008 15:23:56 +0800 Subject: Blackfin arch: introducing bfin_addr_dcachable This patch introduces bfin_addr_dcachable() predicate, that simply tests is address in cachable region or not. Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/cplbinit.h | 14 ++++++++++++++ arch/blackfin/kernel/setup.c | 1 + 2 files changed, 15 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h index 9d23cd1ff7d9..d179b747ff03 100644 --- a/arch/blackfin/include/asm/cplbinit.h +++ b/arch/blackfin/include/asm/cplbinit.h @@ -92,4 +92,18 @@ extern unsigned long reserved_mem_icache_on; extern void generate_cplb_tables(void); +static inline int bfin_addr_dcachable(unsigned long addr) +{ +#ifdef CONFIG_BFIN_DCACHE + if (addr < (_ramend - DMA_UNCACHED_REGION)) + return 1; +#endif + + if (reserved_mem_dcache_on && + addr >= _ramend && addr < physical_mem_end) + return 1; + + return 0; +} + #endif diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 7054594831c5..7f35d1046cd8 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -42,6 +42,7 @@ EXPORT_SYMBOL(memory_start); EXPORT_SYMBOL(memory_end); EXPORT_SYMBOL(physical_mem_end); EXPORT_SYMBOL(_ramend); +EXPORT_SYMBOL(reserved_mem_dcache_on); #ifdef CONFIG_MTD_UCLINUX unsigned long memory_mtd_end, memory_mtd_start, mtd_size; -- cgit v1.2.3 From 46aa04f9b678d1d6f3558429109326775ca87715 Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 11:30:17 +0800 Subject: Blackfin arch: AD7879 Touchscreen driver Add AD7879 Touchscreen driver to the device structures Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf537/boards/stamp.c | 40 ++++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 3 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index ccfa08801840..dc5a30849c15 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -51,7 +51,6 @@ #include #include #include -#include /* * Name the Board for the /proc/cpuinfo @@ -555,6 +554,7 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { #endif #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) +#include static struct bfin5xx_spi_chip spi_ad7877_chip_info = { .enable_dma = 0, .bits_per_word = 16, @@ -575,6 +575,28 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = { }; #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) +#include +static struct bfin5xx_spi_chip spi_ad7879_chip_info = { + .enable_dma = 0, + .bits_per_word = 16, +}; + +static const struct ad7879_platform_data bfin_ad7879_ts_info = { + .model = 7879, /* Model = AD7879 */ + .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */ + .pressure_max = 10000, + .pressure_min = 0, + .first_conversion_delay = 3, /* wait 512us before do a first conversion */ + .acquisition_time = 1, /* 4us acquisition time per sample */ + .median = 2, /* do 8 measurements */ + .averaging = 1, /* take the average of 4 middle samples */ + .pen_down_acc_interval = 255, /* 9.4 ms */ + .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */ + .gpio_default = 1, /* During initialization set GPIO = HIGH */ +}; +#endif + #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) static struct bfin5xx_spi_chip spidev_chip_info = { .enable_dma = 0, @@ -728,6 +750,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .controller_data = &spi_ad7877_chip_info, }, #endif +#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE) + { + .modalias = "ad7879", + .platform_data = &bfin_ad7879_ts_info, + .irq = IRQ_PF7, + .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + .controller_data = &spi_ad7879_chip_info, + .mode = SPI_CPHA | SPI_CPOL, + }, +#endif #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) { .modalias = "spidev", @@ -742,7 +776,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .modalias = "bfin-lq035q1-spi", .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, - .chip_select = 1, + .chip_select = 2, .controller_data = &lq035q1_spi_chip_info, .mode = SPI_CPHA | SPI_CPOL, }, @@ -799,7 +833,7 @@ static struct platform_device bfin_fb_adv7393_device = { static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = { .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB, - .use_bl = 1, + .use_bl = 0, /* let something else control the LCD Blacklight */ .gpio_bl = GPIO_PF7, }; -- cgit v1.2.3 From e9fae189caae7c1cf306e30f5b67c6d226ed69cf Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Mon, 13 Oct 2008 11:35:22 +0800 Subject: Blackfin arch: Fix bogus str_ident check in gpio code Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/kernel/bfin_gpio.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 12710ed180be..6e08f425bb44 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -238,7 +238,7 @@ static void gpio_error(unsigned gpio) static void set_label(unsigned short ident, const char *label) { - if (label && str_ident) { + if (label) { strncpy(str_ident[ident].name, label, RESOURCE_LABEL_SIZE); str_ident[ident].name[RESOURCE_LABEL_SIZE - 1] = 0; @@ -247,9 +247,6 @@ static void set_label(unsigned short ident, const char *label) static char *get_label(unsigned short ident) { - if (!str_ident) - return "UNKNOWN"; - return (*str_ident[ident].name ? str_ident[ident].name : "UNKNOWN"); } @@ -260,7 +257,7 @@ static int cmp_label(unsigned short ident, const char *label) printk(KERN_ERR "Please provide none-null label\n"); } - if (label && str_ident) + if (label) return strncmp(str_ident[ident].name, label, strlen(label)); else -- cgit v1.2.3 From 71de1f8a6365ea65346881e526132563d93696d1 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Mon, 13 Oct 2008 11:37:34 +0800 Subject: Blackfin arch: make sure we include the fix for SPORT hysteresis when reprogramming clocks As pointed out by Appalayagari Sreedhar, make sure we include the fix for SPORT hysteresis when reprogramming clocks. Signed-off-by: Robin Getz Signed-off-by: Bryan Wu --- arch/blackfin/mach-bf527/head.S | 3 +++ arch/blackfin/mach-bf533/head.S | 3 +++ arch/blackfin/mach-bf537/head.S | 3 +++ arch/blackfin/mach-bf548/head.S | 3 +++ arch/blackfin/mach-bf561/head.S | 3 +++ 5 files changed, 15 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S index 28c486191209..6588170e3845 100644 --- a/arch/blackfin/mach-bf527/head.S +++ b/arch/blackfin/mach-bf527/head.S @@ -87,6 +87,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 01b2b7ead5ab..619685b94d90 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -78,6 +78,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S index 12eb5cc571d0..559a7eef7a38 100644 --- a/arch/blackfin/mach-bf537/head.S +++ b/arch/blackfin/mach-bf537/head.S @@ -87,6 +87,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index b0628164e5d9..051b05c88027 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -94,6 +94,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S index 75ea6a905829..0b28137b3dea 100644 --- a/arch/blackfin/mach-bf561/head.S +++ b/arch/blackfin/mach-bf561/head.S @@ -77,6 +77,9 @@ ENTRY(_start_dma_code) r1 = PLL_BYPASS; /* Bypass the PLL? */ r1 = r1 << 8; /* Shift it over */ r0 = r1 | r0; /* add them all together */ +#ifdef ANOMALY_05000265 + r0 = BITSET(r0, 15); /* Add 250 mV of hysteresis to SPORT input pins */ +#endif p0.h = hi(PLL_CTL); p0.l = lo(PLL_CTL); /* Load the address */ -- cgit v1.2.3