diff options
Diffstat (limited to 'arch/blackfin/mach-common/ints-priority.c')
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index d45d0c59fac7..eb8dfcfc3544 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -55,6 +55,7 @@ * - */ +#ifndef CONFIG_SMP /* Initialize this to an actual value to force it into the .data * section so that we know it is properly initialized at entry into * the kernel but before bss is initialized to zero (which is where @@ -63,6 +64,7 @@ */ unsigned long irq_flags = 0x1f; EXPORT_SYMBOL(irq_flags); +#endif /* The number of spurious interrupts */ atomic_t num_spurious; @@ -163,6 +165,10 @@ static void bfin_internal_mask_irq(unsigned int irq) mask_bit = SIC_SYSIRQ(irq) % 32; bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) & ~(1 << mask_bit)); +#ifdef CONFIG_SMP + bfin_write_SICB_IMASK(mask_bank, bfin_read_SICB_IMASK(mask_bank) & + ~(1 << mask_bit)); +#endif #endif } @@ -177,6 +183,10 @@ static void bfin_internal_unmask_irq(unsigned int irq) mask_bit = SIC_SYSIRQ(irq) % 32; bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) | (1 << mask_bit)); +#ifdef CONFIG_SMP + bfin_write_SICB_IMASK(mask_bank, bfin_read_SICB_IMASK(mask_bank) | + (1 << mask_bit)); +#endif #endif } @@ -896,7 +906,7 @@ static struct irq_chip bfin_gpio_irqchip = { #endif }; -void __init init_exception_vectors(void) +void __cpuinit init_exception_vectors(void) { /* cannot program in software: * evt0 - emulation (jtag) @@ -935,6 +945,10 @@ int __init init_arch_irq(void) # ifdef CONFIG_BF54x bfin_write_SIC_IMASK2(SIC_UNMASK_ALL); # endif +# ifdef CONFIG_SMP + bfin_write_SICB_IMASK0(SIC_UNMASK_ALL); + bfin_write_SICB_IMASK1(SIC_UNMASK_ALL); +# endif #else bfin_write_SIC_IMASK(SIC_UNMASK_ALL); #endif @@ -995,6 +1009,17 @@ int __init init_arch_irq(void) break; #endif +#ifdef CONFIG_TICK_SOURCE_SYSTMR0 + case IRQ_TIMER0: + set_irq_handler(irq, handle_percpu_irq); + break; +#endif +#ifdef CONFIG_SMP + case IRQ_SUPPLE_0: + case IRQ_SUPPLE_1: + set_irq_handler(irq, handle_percpu_irq); + break; +#endif default: set_irq_handler(irq, handle_simple_irq); break; @@ -1029,7 +1054,7 @@ int __init init_arch_irq(void) search_IAR(); /* Enable interrupts IVG7-15 */ - irq_flags = irq_flags | IMASK_IVG15 | + irq_flags |= IMASK_IVG15 | IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; @@ -1070,8 +1095,16 @@ void do_irq(int vec, struct pt_regs *fp) || defined(BF538_FAMILY) || defined(CONFIG_BF51x) unsigned long sic_status[3]; - sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0(); - sic_status[1] = bfin_read_SIC_ISR1() & bfin_read_SIC_IMASK1(); + if (smp_processor_id()) { +#ifdef CONFIG_SMP + /* This will be optimized out in UP mode. */ + sic_status[0] = bfin_read_SICB_ISR0() & bfin_read_SICB_IMASK0(); + sic_status[1] = bfin_read_SICB_ISR1() & bfin_read_SICB_IMASK1(); +#endif + } else { + sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0(); + sic_status[1] = bfin_read_SIC_ISR1() & bfin_read_SIC_IMASK1(); + } #ifdef CONFIG_BF54x sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2(); #endif |