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Diffstat (limited to 'arch/blackfin/mach-common/ints-priority.c')
-rw-r--r--arch/blackfin/mach-common/ints-priority.c95
1 files changed, 38 insertions, 57 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index a7d7b2dd405..b42150190d0 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -472,7 +472,7 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type)
if (type == IRQ_TYPE_PROBE) {
/* only probe unenabled GPIO interrupt lines */
- if (__test_bit(gpionr, gpio_enabled))
+ if (test_bit(gpionr, gpio_enabled))
return 0;
type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
}
@@ -782,7 +782,7 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type)
if (type == IRQ_TYPE_PROBE) {
/* only probe unenabled GPIO interrupt lines */
- if (__test_bit(gpionr, gpio_enabled))
+ if (test_bit(gpionr, gpio_enabled))
return 0;
type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
}
@@ -1052,35 +1052,34 @@ int __init init_arch_irq(void)
set_irq_chained_handler(irq, bfin_demux_error_irq);
break;
#endif
-#if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE)
- 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:
#ifdef CONFIG_IPIPE
- /*
- * We want internal interrupt sources to be
- * masked, because ISRs may trigger interrupts
- * recursively (e.g. DMA), but interrupts are
- * _not_ masked at CPU level. So let's handle
- * most of them as level interrupts, except
- * the timer interrupt which is special.
- */
- if (irq == IRQ_SYSTMR || irq == IRQ_CORETMR)
- set_irq_handler(irq, handle_simple_irq);
- else
- set_irq_handler(irq, handle_level_irq);
+#ifndef CONFIG_TICKSOURCE_CORETMR
+ case IRQ_TIMER0:
+ set_irq_handler(irq, handle_simple_irq);
+ break;
+#endif /* !CONFIG_TICKSOURCE_CORETMR */
+ case IRQ_CORETMR:
+ set_irq_handler(irq, handle_simple_irq);
+ break;
+ default:
+ set_irq_handler(irq, handle_level_irq);
+ break;
#else /* !CONFIG_IPIPE */
+#ifdef CONFIG_TICKSOURCE_GPTMR0
+ case IRQ_TIMER0:
+ set_irq_handler(irq, handle_percpu_irq);
+ break;
+#endif /* CONFIG_TICKSOURCE_GPTMR0 */
+ default:
set_irq_handler(irq, handle_simple_irq);
-#endif /* !CONFIG_IPIPE */
break;
+#endif /* !CONFIG_IPIPE */
}
}
@@ -1116,6 +1115,9 @@ int __init init_arch_irq(void)
IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
+ /* This implicitly covers ANOMALY_05000171
+ * Boot-ROM code modifies SICA_IWRx wakeup registers
+ */
#ifdef SIC_IWR0
bfin_write_SIC_IWR0(IWR_DISABLE_ALL);
# ifdef SIC_IWR1
@@ -1136,13 +1138,6 @@ int __init init_arch_irq(void)
bfin_write_SIC_IWR(IWR_DISABLE_ALL);
#endif
-#ifdef CONFIG_IPIPE
- for (irq = 0; irq < NR_IRQS; irq++) {
- struct irq_desc *desc = irq_to_desc(irq);
- desc->ic_prio = __ipipe_get_irq_priority(irq);
- }
-#endif /* CONFIG_IPIPE */
-
return 0;
}
@@ -1156,23 +1151,22 @@ void do_irq(int vec, struct pt_regs *fp)
} else {
struct ivgx *ivg = ivg7_13[vec - IVG7].ifirst;
struct ivgx *ivg_stop = ivg7_13[vec - IVG7].istop;
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) \
- || defined(BF538_FAMILY) || defined(CONFIG_BF51x)
+#if defined(SIC_ISR0) || defined(SICA_ISR0)
unsigned long sic_status[3];
if (smp_processor_id()) {
-#ifdef CONFIG_SMP
+# ifdef SICB_ISR0
/* 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
+# 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
+# ifdef SIC_ISR2
sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2();
-#endif
+# endif
for (;; ivg++) {
if (ivg >= ivg_stop) {
atomic_inc(&num_spurious);
@@ -1229,27 +1223,22 @@ __attribute__((l1_text))
asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs)
{
struct ipipe_percpu_domain_data *p = ipipe_root_cpudom_ptr();
- struct ipipe_domain *this_domain = ipipe_current_domain;
+ struct ipipe_domain *this_domain = __ipipe_current_domain;
struct ivgx *ivg_stop = ivg7_13[vec-IVG7].istop;
struct ivgx *ivg = ivg7_13[vec-IVG7].ifirst;
int irq, s;
- if (likely(vec == EVT_IVTMR_P)) {
+ if (likely(vec == EVT_IVTMR_P))
irq = IRQ_CORETMR;
- goto core_tick;
- }
-
- SSYNC();
-
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561)
- {
+ else {
+#if defined(SIC_ISR0) || defined(SICA_ISR0)
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();
-#ifdef CONFIG_BF54x
+# ifdef SIC_ISR2
sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2();
-#endif
+# endif
for (;; ivg++) {
if (ivg >= ivg_stop) {
atomic_inc(&num_spurious);
@@ -1258,9 +1247,7 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs)
if (sic_status[(ivg->irqno - IVG7) / 32] & ivg->isrflag)
break;
}
- }
#else
- {
unsigned long sic_status;
sic_status = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR();
@@ -1272,15 +1259,12 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs)
} else if (sic_status & ivg->isrflag)
break;
}
- }
#endif
-
- irq = ivg->irqno;
+ irq = ivg->irqno;
+ }
if (irq == IRQ_SYSTMR) {
-#ifdef CONFIG_GENERIC_CLOCKEVENTS
-core_tick:
-#else
+#if !defined(CONFIG_GENERIC_CLOCKEVENTS) || defined(CONFIG_TICKSOURCE_GPTMR0)
bfin_write_TIMER_STATUS(1); /* Latch TIMIL0 */
#endif
/* This is basically what we need from the register frame. */
@@ -1292,9 +1276,6 @@ core_tick:
__raw_get_cpu_var(__ipipe_tick_regs).ipend |= 0x10;
}
-#ifndef CONFIG_GENERIC_CLOCKEVENTS
-core_tick:
-#endif
if (this_domain == ipipe_root_domain) {
s = __test_and_set_bit(IPIPE_SYNCDEFER_FLAG, &p->status);
barrier();
@@ -1312,7 +1293,7 @@ core_tick:
}
}
- return 0;
+ return 0;
}
#endif /* CONFIG_IPIPE */