diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-06 09:43:26 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-06 09:43:26 -0800 |
commit | ceaeee6ad6c2a24bf37d9f426414cf3007432352 (patch) | |
tree | fa330133773d10a9d7f329e3db2cc371999c6d86 | |
parent | 3743d33edf4e49376384822c57c4ee5cdf2d32f8 (diff) | |
parent | 5e2862eb5a263a0339a85545d96fb20995d67b1f (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Oprofile: Fix computation of number of counters.
[MIPS] Alchemy: fix IRQ bases
[MIPS] Alchemy: replace ffs() with __ffs()
[MIPS] BCM1480: Fix interrupt routing, take 2.
-rw-r--r-- | arch/mips/au1000/common/dbdma.c | 2 | ||||
-rw-r--r-- | arch/mips/au1000/common/irq.c | 16 | ||||
-rw-r--r-- | arch/mips/au1000/pb1200/irqmap.c | 2 | ||||
-rw-r--r-- | arch/mips/oprofile/op_model_mipsxx.c | 44 | ||||
-rw-r--r-- | arch/mips/pci/pci-bcm1480.c | 5 | ||||
-rw-r--r-- | include/asm-mips/mach-au1x00/au1000.h | 21 |
6 files changed, 63 insertions, 27 deletions
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 9d6ad43fded6..edf91f41a786 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -859,7 +859,7 @@ dbdma_interrupt(int irq, void *dev_id) intstat = dbdma_gptr->ddma_intstat; au_sync(); - chan_index = ffs(intstat); + chan_index = __ffs(intstat); ctp = chan_tab_ptr[chan_index]; cp = ctp->chan_ptr; diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index ddfb7f0a17a6..3c7714f057ac 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -462,9 +462,9 @@ static void intc0_req0_irqdispatch(void) return; } #endif - bit = ffs(intc0_req0); + bit = __ffs(intc0_req0); intc0_req0 &= ~(1 << bit); - do_IRQ(MIPS_CPU_IRQ_BASE + bit); + do_IRQ(AU1000_INTC0_INT_BASE + bit); } @@ -478,9 +478,9 @@ static void intc0_req1_irqdispatch(void) if (!intc0_req1) return; - bit = ffs(intc0_req1); + bit = __ffs(intc0_req1); intc0_req1 &= ~(1 << bit); - do_IRQ(bit); + do_IRQ(AU1000_INTC0_INT_BASE + bit); } @@ -498,9 +498,9 @@ static void intc1_req0_irqdispatch(void) if (!intc1_req0) return; - bit = ffs(intc1_req0); + bit = __ffs(intc1_req0); intc1_req0 &= ~(1 << bit); - do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit); + do_IRQ(AU1000_INTC1_INT_BASE + bit); } @@ -514,9 +514,9 @@ static void intc1_req1_irqdispatch(void) if (!intc1_req1) return; - bit = ffs(intc1_req1); + bit = __ffs(intc1_req1); intc1_req1 &= ~(1 << bit); - do_IRQ(MIPS_CPU_IRQ_BASE + 32 + bit); + do_IRQ(AU1000_INTC1_INT_BASE + bit); } asmlinkage void plat_irq_dispatch(void) diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c index c096be4ed4e7..8fcd0df86f93 100644 --- a/arch/mips/au1000/pb1200/irqmap.c +++ b/arch/mips/au1000/pb1200/irqmap.c @@ -74,7 +74,7 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id) bcsr->int_status = bisr; for( ; bisr; bisr &= (bisr-1) ) { - extirq_nr = PB1200_INT_BEGIN + ffs(bisr); + extirq_nr = PB1200_INT_BEGIN + __ffs(bisr); /* Ack and dispatch IRQ */ do_IRQ(extirq_nr); } diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 423bc2c473df..bdfa07aecd97 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -6,6 +6,7 @@ * Copyright (C) 2004, 05, 06 by Ralf Baechle * Copyright (C) 2005 by MIPS Technologies, Inc. */ +#include <linux/cpumask.h> #include <linux/oprofile.h> #include <linux/interrupt.h> #include <linux/smp.h> @@ -33,11 +34,45 @@ #ifdef CONFIG_MIPS_MT_SMP #define WHAT (M_TC_EN_VPE | M_PERFCTL_VPEID(smp_processor_id())) #define vpe_id() smp_processor_id() + +/* + * The number of bits to shift to convert between counters per core and + * counters per VPE. There is no reasonable interface atm to obtain the + * number of VPEs used by Linux and in the 34K this number is fixed to two + * anyways so we hardcore a few things here for the moment. The way it's + * done here will ensure that oprofile VSMP kernel will run right on a lesser + * core like a 24K also or with maxcpus=1. + */ +static inline unsigned int vpe_shift(void) +{ + if (num_possible_cpus() > 1) + return 1; + + return 0; +} + #else + #define WHAT 0 #define vpe_id() 0 + +static inline unsigned int vpe_shift(void) +{ + return 0; +} + #endif +static inline unsigned int counters_total_to_per_cpu(unsigned int counters) +{ + return counters >> vpe_shift(); +} + +static inline unsigned int counters_per_cpu_to_total(unsigned int counters) +{ + return counters << vpe_shift(); +} + #define __define_perf_accessors(r, n, np) \ \ static inline unsigned int r_c0_ ## r ## n(void) \ @@ -269,9 +304,7 @@ static int __init mipsxx_init(void) reset_counters(counters); -#ifdef CONFIG_MIPS_MT_SMP - counters >>= 1; -#endif + counters = counters_total_to_per_cpu(counters); op_model_mipsxx_ops.num_counters = counters; switch (current_cpu_type()) { @@ -330,9 +363,8 @@ static int __init mipsxx_init(void) static void mipsxx_exit(void) { int counters = op_model_mipsxx_ops.num_counters; -#ifdef CONFIG_MIPS_MT_SMP - counters <<= 1; -#endif + + counters = counters_per_cpu_to_total(counters); reset_counters(counters); perf_irq = null_perf_irq; diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c index bc647cb77298..47f316c86ab1 100644 --- a/arch/mips/pci/pci-bcm1480.c +++ b/arch/mips/pci/pci-bcm1480.c @@ -76,7 +76,10 @@ static inline void WRITECFG32(u32 addr, u32 data) int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - return K_BCM1480_INT_PCI_INTA + pin; + if (pin == 0) + return -1; + + return K_BCM1480_INT_PCI_INTA - 1 + pin; } /* Do platform specific device initialization at pci_enable_device() time */ diff --git a/include/asm-mips/mach-au1x00/au1000.h b/include/asm-mips/mach-au1x00/au1000.h index 3bdce9126f16..bf7701243d71 100644 --- a/include/asm-mips/mach-au1x00/au1000.h +++ b/include/asm-mips/mach-au1x00/au1000.h @@ -526,7 +526,7 @@ extern struct au1xxx_irqmap au1xxx_irq_map[]; /* Au1000 */ #ifdef CONFIG_SOC_AU1000 enum soc_au1000_ints { - AU1000_FIRST_INT = MIPS_CPU_IRQ_BASE, + AU1000_FIRST_INT = MIPS_CPU_IRQ_BASE + 8, AU1000_UART0_INT = AU1000_FIRST_INT, AU1000_UART1_INT, /* au1000 */ AU1000_UART2_INT, /* au1000 */ @@ -605,7 +605,7 @@ enum soc_au1000_ints { /* Au1500 */ #ifdef CONFIG_SOC_AU1500 enum soc_au1500_ints { - AU1500_FIRST_INT = MIPS_CPU_IRQ_BASE, + AU1500_FIRST_INT = MIPS_CPU_IRQ_BASE + 8, AU1500_UART0_INT = AU1500_FIRST_INT, AU1000_PCI_INTA, /* au1500 */ AU1000_PCI_INTB, /* au1500 */ @@ -686,7 +686,7 @@ enum soc_au1500_ints { /* Au1100 */ #ifdef CONFIG_SOC_AU1100 enum soc_au1100_ints { - AU1100_FIRST_INT = MIPS_CPU_IRQ_BASE, + AU1100_FIRST_INT = MIPS_CPU_IRQ_BASE + 8, AU1100_UART0_INT, AU1100_UART1_INT, AU1100_SD_INT, @@ -761,7 +761,7 @@ enum soc_au1100_ints { #ifdef CONFIG_SOC_AU1550 enum soc_au1550_ints { - AU1550_FIRST_INT = MIPS_CPU_IRQ_BASE, + AU1550_FIRST_INT = MIPS_CPU_IRQ_BASE + 8, AU1550_UART0_INT = AU1550_FIRST_INT, AU1550_PCI_INTA, AU1550_PCI_INTB, @@ -851,7 +851,7 @@ enum soc_au1550_ints { #ifdef CONFIG_SOC_AU1200 enum soc_au1200_ints { - AU1200_FIRST_INT = MIPS_CPU_IRQ_BASE, + AU1200_FIRST_INT = MIPS_CPU_IRQ_BASE + 8, AU1200_UART0_INT = AU1200_FIRST_INT, AU1200_SWT_INT, AU1200_SD_INT, @@ -948,11 +948,12 @@ enum soc_au1200_ints { #endif /* CONFIG_SOC_AU1200 */ -#define AU1000_INTC0_INT_BASE (MIPS_CPU_IRQ_BASE + 0) -#define AU1000_INTC0_INT_LAST (MIPS_CPU_IRQ_BASE + 31) -#define AU1000_INTC1_INT_BASE (MIPS_CPU_IRQ_BASE + 32) -#define AU1000_INTC1_INT_LAST (MIPS_CPU_IRQ_BASE + 63) -#define AU1000_MAX_INTR (MIPS_CPU_IRQ_BASE + 63) +#define AU1000_INTC0_INT_BASE (MIPS_CPU_IRQ_BASE + 8) +#define AU1000_INTC0_INT_LAST (AU1000_INTC0_INT_BASE + 31) +#define AU1000_INTC1_INT_BASE (AU1000_INTC0_INT_BASE + 32) +#define AU1000_INTC1_INT_LAST (AU1000_INTC1_INT_BASE + 31) + +#define AU1000_MAX_INTR AU1000_INTC1_INT_LAST #define INTX 0xFF /* not valid */ /* Programmable Counters 0 and 1 */ |