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Diffstat (limited to 'cpu/bf533/ints.c')
-rw-r--r--cpu/bf533/ints.c80
1 files changed, 45 insertions, 35 deletions
diff --git a/cpu/bf533/ints.c b/cpu/bf533/ints.c
index 859f4b2..f476f14 100644
--- a/cpu/bf533/ints.c
+++ b/cpu/bf533/ints.c
@@ -51,9 +51,9 @@
void blackfin_irq_panic(int reason, struct pt_regs *regs)
{
printf("\n\nException: IRQ 0x%x entered\n", reason);
- printf("code=[0x%x], ", (unsigned int) (regs->seqstat & 0x3f));
- printf("stack frame=0x%x, ", (unsigned int) regs);
- printf("bad PC=0x%04x\n", (unsigned int) regs->pc);
+ printf("code=[0x%x], ", (unsigned int)(regs->seqstat & 0x3f));
+ printf("stack frame=0x%x, ", (unsigned int)regs);
+ printf("bad PC=0x%04x\n", (unsigned int)regs->pc);
dump(regs);
printf("Unhandled IRQ or exceptions!\n");
printf("Please reset the board \n");
@@ -61,46 +61,56 @@ void blackfin_irq_panic(int reason, struct pt_regs *regs)
void blackfin_init_IRQ(void)
{
- *(unsigned volatile long *) (SIC_IMASK) = SIC_UNMASK_ALL;
+ *(unsigned volatile long *)(SIC_IMASK) = SIC_UNMASK_ALL;
cli();
#ifndef CONFIG_KGDB
- *(unsigned volatile long *) (EVT_EMULATION_ADDR) = 0x0;
+ *(unsigned volatile long *)(EVT_EMULATION_ADDR) = 0x0;
#endif
- *(unsigned volatile long *) (EVT_NMI_ADDR) =
- (unsigned volatile long) evt_nmi;
- *(unsigned volatile long *) (EVT_EXCEPTION_ADDR) =
- (unsigned volatile long) trap;
- *(unsigned volatile long *) (EVT_HARDWARE_ERROR_ADDR) =
- (unsigned volatile long) evt_ivhw;
- *(unsigned volatile long *) (EVT_RESET_ADDR) =
- (unsigned volatile long) evt_rst;
- *(unsigned volatile long *) (EVT_TIMER_ADDR) =
- (unsigned volatile long) evt_timer;
- *(unsigned volatile long *) (EVT_IVG7_ADDR) =
- (unsigned volatile long) evt_evt7;
- *(unsigned volatile long *) (EVT_IVG8_ADDR) =
- (unsigned volatile long) evt_evt8;
- *(unsigned volatile long *) (EVT_IVG9_ADDR) =
- (unsigned volatile long) evt_evt9;
- *(unsigned volatile long *) (EVT_IVG10_ADDR) =
- (unsigned volatile long) evt_evt10;
- *(unsigned volatile long *) (EVT_IVG11_ADDR) =
- (unsigned volatile long) evt_evt11;
- *(unsigned volatile long *) (EVT_IVG12_ADDR) =
- (unsigned volatile long) evt_evt12;
- *(unsigned volatile long *) (EVT_IVG13_ADDR) =
- (unsigned volatile long) evt_evt13;
- *(unsigned volatile long *) (EVT_IVG14_ADDR) =
- (unsigned volatile long) evt_system_call;
- *(unsigned volatile long *) (EVT_IVG15_ADDR) =
- (unsigned volatile long) evt_soft_int1;
- *(volatile unsigned long *) ILAT = 0;
+ *(unsigned volatile long *)(EVT_NMI_ADDR) =
+ (unsigned volatile long)evt_nmi;
+ *(unsigned volatile long *)(EVT_EXCEPTION_ADDR) =
+ (unsigned volatile long)trap;
+ *(unsigned volatile long *)(EVT_HARDWARE_ERROR_ADDR) =
+ (unsigned volatile long)evt_ivhw;
+ *(unsigned volatile long *)(EVT_RESET_ADDR) =
+ (unsigned volatile long)evt_rst;
+ *(unsigned volatile long *)(EVT_TIMER_ADDR) =
+ (unsigned volatile long)evt_timer;
+ *(unsigned volatile long *)(EVT_IVG7_ADDR) =
+ (unsigned volatile long)evt_evt7;
+ *(unsigned volatile long *)(EVT_IVG8_ADDR) =
+ (unsigned volatile long)evt_evt8;
+ *(unsigned volatile long *)(EVT_IVG9_ADDR) =
+ (unsigned volatile long)evt_evt9;
+ *(unsigned volatile long *)(EVT_IVG10_ADDR) =
+ (unsigned volatile long)evt_evt10;
+ *(unsigned volatile long *)(EVT_IVG11_ADDR) =
+ (unsigned volatile long)evt_evt11;
+ *(unsigned volatile long *)(EVT_IVG12_ADDR) =
+ (unsigned volatile long)evt_evt12;
+ *(unsigned volatile long *)(EVT_IVG13_ADDR) =
+ (unsigned volatile long)evt_evt13;
+ *(unsigned volatile long *)(EVT_IVG14_ADDR) =
+ (unsigned volatile long)evt_system_call;
+ *(unsigned volatile long *)(EVT_IVG15_ADDR) =
+ (unsigned volatile long)evt_soft_int1;
+ *(volatile unsigned long *)ILAT = 0;
asm("csync;");
sti();
- *(volatile unsigned long *) IMASK = 0xffbf;
+ *(volatile unsigned long *)IMASK = 0xffbf;
asm("csync;");
}
+void exception_handle(void)
+{
+#if defined (CONFIG_PANIC_HANG)
+ display_excp();
+#else
+ udelay(100000); /* allow messages to go out */
+ do_reset(NULL, 0, 0, NULL);
+#endif
+}
+
void display_excp(void)
{
printf("Exception!\n");