diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/gic.h | 20 | ||||
| -rw-r--r-- | arch/mips/kernel/irq-gic.c | 40 |
2 files changed, 26 insertions, 34 deletions
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index 77207fa459a5..37620db588be 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -33,13 +33,13 @@ REG32(_gic_base + segment##_##SECTION_OFS + offset) #define GIC_ABS_REG(segment, offset) \ - (_gic_base + segment##_##SECTION_OFS + offset##_##OFS) + (_gic_base + segment##_##SECTION_OFS + offset##_##OFS) #define GIC_REG_ABS_ADDR(segment, offset) \ - (_gic_base + segment##_##SECTION_OFS + offset) + (_gic_base + segment##_##SECTION_OFS + offset) #ifdef GICISBYTELITTLEENDIAN -#define GICREAD(reg, data) (data) = (reg), (data) = le32_to_cpu(data) -#define GICWRITE(reg, data) (reg) = cpu_to_le32(data) +#define GICREAD(reg, data) ((data) = (reg), (data) = le32_to_cpu(data)) +#define GICWRITE(reg, data) ((reg) = cpu_to_le32(data)) #define GICBIS(reg, bits) \ ({unsigned int data; \ GICREAD(reg, data); \ @@ -48,9 +48,9 @@ }) #else -#define GICREAD(reg, data) (data) = (reg) -#define GICWRITE(reg, data) (reg) = (data) -#define GICBIS(reg, bits) (reg) |= (bits) +#define GICREAD(reg, data) ((data) = (reg)) +#define GICWRITE(reg, data) ((reg) = (data)) +#define GICBIS(reg, bits) ((reg) |= (bits)) #endif @@ -304,15 +304,15 @@ GIC_SH_MAP_TO_VPE_REG_BIT(vpe)) struct gic_pcpu_mask { - DECLARE_BITMAP(pcpu_mask, GIC_NUM_INTRS); + DECLARE_BITMAP(pcpu_mask, GIC_NUM_INTRS); }; struct gic_pending_regs { - DECLARE_BITMAP(pending, GIC_NUM_INTRS); + DECLARE_BITMAP(pending, GIC_NUM_INTRS); }; struct gic_intrmask_regs { - DECLARE_BITMAP(intrmask, GIC_NUM_INTRS); + DECLARE_BITMAP(intrmask, GIC_NUM_INTRS); }; /* diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index 18124c3bda2f..770c07552518 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -1,5 +1,11 @@ -#undef DEBUG - +/* + * 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. + * + * Copyright (C) 2008 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. + */ #include <linux/bitmap.h> #include <linux/init.h> #include <linux/smp.h> @@ -11,7 +17,6 @@ #include <linux/hardirq.h> #include <asm-generic/bitops/find.h> - unsigned long _gic_base; unsigned int gic_irq_base; unsigned int gic_irq_flags[GIC_NUM_INTRS]; @@ -22,17 +27,15 @@ static struct gic_intrmask_regs intrmask_regs[NR_CPUS]; void gic_send_ipi(unsigned int intr) { - pr_debug("CPU%d: %s status %08x\n", smp_processor_id(), __func__, - read_c0_status()); GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), 0x80000000 | intr); } -/* This is Malta specific and needs to be exported */ static void __init vpe_local_setup(unsigned int numvpes) { - int i; - unsigned long timer_interrupt = 5, perf_interrupt = 5; + unsigned long timer_interrupt = GIC_INT_TMR; + unsigned long perf_interrupt = GIC_INT_PERFCTR; unsigned int vpe_ctl; + int i; /* * Setup the default performance counter timer interrupts @@ -79,40 +82,30 @@ unsigned int gic_get_int(void) bitmap_and(pending, pending, intrmask, GIC_NUM_INTRS); bitmap_and(pending, pending, pcpu_mask, GIC_NUM_INTRS); - i = find_first_bit(pending, GIC_NUM_INTRS); - - pr_debug("CPU%d: %s pend=%d\n", smp_processor_id(), __func__, i); - - return i; + return find_first_bit(pending, GIC_NUM_INTRS); } static void gic_mask_irq(struct irq_data *d) { - unsigned int irq = d->irq - gic_irq_base; - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); - GIC_CLR_INTR_MASK(irq); + GIC_CLR_INTR_MASK(d->irq - gic_irq_base); } static void gic_unmask_irq(struct irq_data *d) { - unsigned int irq = d->irq - gic_irq_base; - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); - GIC_SET_INTR_MASK(irq); + GIC_SET_INTR_MASK(d->irq - gic_irq_base); } #ifdef CONFIG_SMP - static DEFINE_SPINLOCK(gic_lock); static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool force) { - unsigned int irq = d->irq - gic_irq_base; + unsigned int irq = (d->irq - gic_irq_base); cpumask_t tmp = CPU_MASK_NONE; unsigned long flags; int i; - pr_debug("%s(%d) called\n", __func__, irq); cpumask_and(&tmp, cpumask, cpu_online_mask); if (cpus_empty(tmp)) return -1; @@ -176,6 +169,7 @@ static void __init gic_setup_intr(unsigned int intr, unsigned int cpu, /* Init Intr Masks */ GIC_CLR_INTR_MASK(intr); + /* Initialise per-cpu Interrupt software masks */ if (flags & GIC_FLAG_IPI) set_bit(intr, pcpu_masks[cpu].pcpu_mask); @@ -237,8 +231,6 @@ void __init gic_init(unsigned long gic_base_addr, numvpes = (gicconfig & GIC_SH_CONFIG_NUMVPES_MSK) >> GIC_SH_CONFIG_NUMVPES_SHF; - pr_debug("%s called\n", __func__); - gic_basic_init(numintrs, numvpes, intr_map, intr_map_size); gic_platform_init(numintrs, &gic_irq_controller); |