diff options
| -rw-r--r-- | arch/m68k/Kconfig.cpu | 2 | ||||
| -rw-r--r-- | arch/m68k/Kconfig.machine | 6 | ||||
| -rw-r--r-- | arch/m68k/coldfire/Makefile | 3 | ||||
| -rw-r--r-- | arch/m68k/coldfire/m5441x.c | 3 | ||||
| -rw-r--r-- | arch/m68k/coldfire/m54xx.c | 4 | ||||
| -rw-r--r-- | arch/m68k/coldfire/stmark2.c | 119 | ||||
| -rw-r--r-- | arch/m68k/configs/stmark2_defconfig | 92 | ||||
| -rw-r--r-- | arch/m68k/include/asm/m5441xsim.h | 6 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mcfmmu.h | 1 | ||||
| -rw-r--r-- | arch/m68k/include/asm/mmu_context.h | 1 | ||||
| -rw-r--r-- | arch/m68k/kernel/setup.c | 5 | ||||
| -rw-r--r-- | arch/m68k/kernel/setup_mm.c | 6 | ||||
| -rw-r--r-- | arch/m68k/mm/mcfmmu.c | 4 |
13 files changed, 238 insertions, 14 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index ff5f0896318b..21f00349af52 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -284,7 +284,7 @@ config M548x config M5441x bool "MCF5441x" - depends on !MMU + select MMU_COLDFIRE if MMU select GENERIC_CLOCKEVENTS select HAVE_CACHE_CB help diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine index 5cd57b4d3615..64a641467736 100644 --- a/arch/m68k/Kconfig.machine +++ b/arch/m68k/Kconfig.machine @@ -266,6 +266,12 @@ config AMCORE help Support for the Sysam AMCORE open-hardware generic board. +config STMARK2 + bool "Sysam stmark2 board support" + depends on M5441x + help + Support for the Sysam stmark2 open-hardware generic board. + config FIREBEE bool "FireBee board support" depends on M547x diff --git a/arch/m68k/coldfire/Makefile b/arch/m68k/coldfire/Makefile index f8cef9681416..573eabca1a3a 100644 --- a/arch/m68k/coldfire/Makefile +++ b/arch/m68k/coldfire/Makefile @@ -35,7 +35,8 @@ obj-$(CONFIG_NETtel) += nettel.o obj-$(CONFIG_CLEOPATRA) += nettel.o obj-$(CONFIG_FIREBEE) += firebee.o obj-$(CONFIG_MCF8390) += mcf8390.o -obj-$(CONFIG_AMCORE) += amcore.o +obj-$(CONFIG_AMCORE) += amcore.o +obj-$(CONFIG_STMARK2) += stmark2.o obj-$(CONFIG_PCI) += pci.o diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c index 315d14b0dca0..55392af845fb 100644 --- a/arch/m68k/coldfire/m5441x.c +++ b/arch/m68k/coldfire/m5441x.c @@ -27,7 +27,7 @@ DEFINE_CLK(0, "intc.0", 18, MCF_CLK); DEFINE_CLK(0, "intc.1", 19, MCF_CLK); DEFINE_CLK(0, "intc.2", 20, MCF_CLK); DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK); -DEFINE_CLK(0, "mcfdspi.0", 23, MCF_CLK); +DEFINE_CLK(0, "fsl-dspi.0", 23, MCF_CLK); DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK); DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK); DEFINE_CLK(0, "mcfuart.2", 26, MCF_BUSCLK); @@ -140,6 +140,7 @@ static struct clk * const enable_clks[] __initconst = { &__clk_0_18, /* intc0 */ &__clk_0_19, /* intc0 */ &__clk_0_20, /* intc0 */ + &__clk_0_23, /* dspi.0 */ &__clk_0_24, /* uart0 */ &__clk_0_25, /* uart1 */ &__clk_0_26, /* uart2 */ diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c index e53ffed13ba8..adad03ca6e11 100644 --- a/arch/m68k/coldfire/m54xx.c +++ b/arch/m68k/coldfire/m54xx.c @@ -96,10 +96,6 @@ static void mcf54xx_reset(void) void __init config_BSP(char *commandp, int size) { -#ifdef CONFIG_MMU - cf_bootmem_alloc(); - mmu_context_init(); -#endif mach_reset = mcf54xx_reset; mach_sched_init = hw_timer_init; m54xx_uarts_init(); diff --git a/arch/m68k/coldfire/stmark2.c b/arch/m68k/coldfire/stmark2.c new file mode 100644 index 000000000000..a8d2b3d172f9 --- /dev/null +++ b/arch/m68k/coldfire/stmark2.c @@ -0,0 +1,119 @@ +/* + * stmark2.c -- Support for Sysam AMCORE open board + * + * (C) Copyright 2017, Angelo Dureghello <angelo@sysam.it> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi-fsl-dspi.h> +#include <linux/spi/flash.h> +#include <asm/mcfsim.h> + +/* + * Partitioning of parallel NOR flash (39VF3201B) + */ +static struct mtd_partition stmark2_partitions[] = { + { + .name = "U-Boot (1024K)", + .size = 0x100000, + .offset = 0x0 + }, { + .name = "Kernel+initramfs (7168K)", + .size = 0x700000, + .offset = MTDPART_OFS_APPEND + }, { + .name = "Flash Free Space (8192K)", + .size = MTDPART_SIZ_FULL, + .offset = MTDPART_OFS_APPEND + } +}; + +static struct flash_platform_data stmark2_spi_flash_data = { + .name = "is25lp128", + .parts = stmark2_partitions, + .nr_parts = ARRAY_SIZE(stmark2_partitions), + .type = "is25lp128", +}; + +static struct spi_board_info stmark2_board_info[] __initdata = { + { + .modalias = "m25p80", + .max_speed_hz = 5000000, + .bus_num = 0, + .chip_select = 1, + .platform_data = &stmark2_spi_flash_data, + .mode = SPI_MODE_3, + } +}; + +/* SPI controller data, SPI (0) */ +static struct fsl_dspi_platform_data dspi_spi0_info = { + .cs_num = 4, + .bus_num = 0, + .sck_cs_delay = 100, + .cs_sck_delay = 100, +}; + +static struct resource dspi_spi0_resource[] = { + [0] = { + .start = MCFDSPI_BASE0, + .end = MCFDSPI_BASE0 + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 12, + .end = 13, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = MCF_IRQ_DSPI0, + .end = MCF_IRQ_DSPI0, + .flags = IORESOURCE_IRQ, + }, +}; + +/* SPI controller, id = bus number */ +static struct platform_device dspi_spi0_device = { + .name = "fsl-dspi", + .id = 0, + .num_resources = ARRAY_SIZE(dspi_spi0_resource), + .resource = dspi_spi0_resource, + .dev = { + .platform_data = &dspi_spi0_info, + }, +}; + +static struct platform_device *stmark2_devices[] __initdata = { + &dspi_spi0_device, +}; + +/* + * Note: proper pin-mux setup is mandatory for proper SPI functionality. + */ +static int __init init_stmark2(void) +{ + /* DSPI0, all pins as DSPI, and using CS1 */ + __raw_writeb(0x80, MCFGPIO_PAR_DSPIOWL); + __raw_writeb(0xfc, MCFGPIO_PAR_DSPIOWH); + + /* Board gpio setup */ + __raw_writeb(0x00, MCFGPIO_PAR_BE); + __raw_writeb(0x00, MCFGPIO_PAR_FBCTL); + __raw_writeb(0x00, MCFGPIO_PAR_CS); + __raw_writeb(0x00, MCFGPIO_PAR_CANI2C); + + platform_add_devices(stmark2_devices, ARRAY_SIZE(stmark2_devices)); + + spi_register_board_info(stmark2_board_info, + ARRAY_SIZE(stmark2_board_info)); + + return 0; +} + +late_initcall(init_stmark2); diff --git a/arch/m68k/configs/stmark2_defconfig b/arch/m68k/configs/stmark2_defconfig new file mode 100644 index 000000000000..55e55dbc2fb6 --- /dev/null +++ b/arch/m68k/configs/stmark2_defconfig @@ -0,0 +1,92 @@ +CONFIG_LOCALVERSION="stmark2-001" +CONFIG_DEFAULT_HOSTNAME="stmark2" +CONFIG_SYSVIPC=y +# CONFIG_FHANDLE is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_NAMESPACES=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="../uClinux-dist/romfs" +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +# CONFIG_RD_XZ is not set +# CONFIG_RD_LZO is not set +# CONFIG_RD_LZ4 is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +# CONFIG_AIO is not set +# CONFIG_ADVISE_SYSCALLS is not set +# CONFIG_MEMBARRIER is not set +CONFIG_EMBEDDED=y +# CONFIG_VM_EVENT_COUNTERS is not set +# CONFIG_COMPAT_BRK is not set +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +CONFIG_BLK_CMDLINE_PARSER=y +# CONFIG_MMU is not set +CONFIG_M5441x=y +CONFIG_CLOCK_FREQ=240000000 +CONFIG_STMARK2=y +CONFIG_RAMBASE=0x40000000 +CONFIG_RAMSIZE=0x8000000 +CONFIG_VECTORBASE=0x40000000 +CONFIG_KERNELBASE=0x40001000 +CONFIG_BINFMT_FLAT=y +CONFIG_BINFMT_MISC=y +# CONFIG_UEVENT_HELPER is not set +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y +# CONFIG_ALLOW_DEV_COREDUMP is not set +CONFIG_MTD=y +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_LE_BYTE_SWAP=y +CONFIG_MTD_CFI_GEOMETRY=y +# CONFIG_MTD_CFI_I2 is not set +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_CFI_STAA=y +CONFIG_MTD_ROM=y +CONFIG_MTD_COMPLEX_MAPPINGS=y +CONFIG_MTD_PLATRAM=y +CONFIG_MTD_M25P80=y +CONFIG_MTD_SPI_NOR=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_UNIX98_PTYS is not set +# CONFIG_DEVMEM is not set +CONFIG_SERIAL_MCF=y +CONFIG_SERIAL_MCF_BAUDRATE=115200 +CONFIG_SERIAL_MCF_CONSOLE=y +# CONFIG_HW_RANDOM is not set +CONFIG_SPI=y +CONFIG_SPI_DEBUG=y +CONFIG_SPI_FSL_DSPI=y +CONFIG_DEBUG_GPIO=y +CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_GENERIC_PLATFORM=y +# CONFIG_HWMON is not set +# CONFIG_RC_CORE is not set +# CONFIG_HID is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_FILE_LOCKING is not set +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY_USER is not set +CONFIG_FSCACHE=y +# CONFIG_PROC_SYSCTL is not set +CONFIG_PRINTK_TIME=y +# CONFIG_ENABLE_WARN_DEPRECATED is not set +# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set +CONFIG_SLUB_DEBUG_ON=y +CONFIG_PANIC_ON_OOPS=y +# CONFIG_SCHED_DEBUG is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_BOOTPARAM=y +CONFIG_BOOTPARAM_STRING="console=ttyS0,115200 root=/dev/ram0 rw rootfstype=ramfs rdinit=/bin/init devtmpfs.mount=1" +CONFIG_CRYPTO=y +# CONFIG_CRYPTO_ECHAINIV is not set +CONFIG_CRYPTO_ANSI_CPRNG=y +# CONFIG_CRYPTO_HW is not set +CONFIG_CRC16=y diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h index 4e9095b9480a..c87556d5581c 100644 --- a/arch/m68k/include/asm/m5441xsim.h +++ b/arch/m68k/include/asm/m5441xsim.h @@ -278,4 +278,10 @@ #define MCFGPIO_IRQ_VECBASE (MCFINT_VECBASE - MCFGPIO_IRQ_MIN) #define MCFGPIO_PIN_MAX 87 +/* + * DSPI module. + */ +#define MCFDSPI_BASE0 0xfc05c000 +#define MCF_IRQ_DSPI0 (MCFINT0_VECBASE + MCFINT0_DSPI0) + #endif /* m5441xsim_h */ diff --git a/arch/m68k/include/asm/mcfmmu.h b/arch/m68k/include/asm/mcfmmu.h index 10f9930ec49a..283352ab0d5d 100644 --- a/arch/m68k/include/asm/mcfmmu.h +++ b/arch/m68k/include/asm/mcfmmu.h @@ -106,6 +106,7 @@ static inline void mmu_write(u32 a, u32 v) } void cf_bootmem_alloc(void); +void cf_mmu_context_init(void); int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word); #endif diff --git a/arch/m68k/include/asm/mmu_context.h b/arch/m68k/include/asm/mmu_context.h index 836acea8f758..f5b1852b4663 100644 --- a/arch/m68k/include/asm/mmu_context.h +++ b/arch/m68k/include/asm/mmu_context.h @@ -92,7 +92,6 @@ static inline void activate_mm(struct mm_struct *active_mm, #define deactivate_mm(tsk, mm) do { } while (0) -extern void mmu_context_init(void); #define prepare_arch_switch(next) load_ksp_mmu(next) static inline void load_ksp_mmu(struct task_struct *task) diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index 854e09f403e7..19a92982629a 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -4,3 +4,8 @@ #else #include "setup_no.c" #endif + +#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) +void (*mach_beep)(unsigned int, unsigned int); +EXPORT_SYMBOL(mach_beep); +#endif diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 657a9843ebfa..dd25bfc22fb4 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -106,10 +106,6 @@ EXPORT_SYMBOL(mach_heartbeat); #ifdef CONFIG_M68K_L2_CACHE void (*mach_l2_flush) (int); #endif -#if IS_ENABLED(CONFIG_INPUT_M68K_BEEP) -void (*mach_beep)(unsigned int, unsigned int); -EXPORT_SYMBOL(mach_beep); -#endif #if defined(CONFIG_ISA) && defined(MULTI_ISA) int isa_type; int isa_sex; @@ -344,6 +340,8 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_COLDFIRE case MACH_M54XX: case MACH_M5441X: + cf_bootmem_alloc(); + cf_mmu_context_init(); config_BSP(NULL, 0); break; #endif diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index 8d1408583cf4..2925d795d71a 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -170,7 +170,7 @@ void __init cf_bootmem_alloc(void) max_pfn = max_low_pfn = PFN_DOWN(_ramend); high_memory = (void *)_ramend; - m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6; + m68k_virt_to_node_shift = fls(_ramend - 1) - 6; module_fixup(NULL, __start_fixup, __stop_fixup); /* setup bootmem data */ @@ -184,7 +184,7 @@ void __init cf_bootmem_alloc(void) * Initialize the context management stuff. * The following was taken from arch/ppc/mmu_context.c */ -void __init mmu_context_init(void) +void __init cf_mmu_context_init(void) { /* * Some processors have too few contexts to reserve one for |