diff options
Diffstat (limited to 'cpu/mpc5xx/interrupts.c')
| -rw-r--r-- | cpu/mpc5xx/interrupts.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/cpu/mpc5xx/interrupts.c b/cpu/mpc5xx/interrupts.c index 3678b5b..7f6e136 100644 --- a/cpu/mpc5xx/interrupts.c +++ b/cpu/mpc5xx/interrupts.c @@ -28,12 +28,20 @@ */ #include <common.h> +#include <command.h> #include <mpc5xx.h> #include <asm/processor.h> +#if defined(CONFIG_PATI) +/* PATI uses IRQs for PCI doorbell */ +#undef NR_IRQS +#define NR_IRQS 16 +#endif + struct interrupt_action { interrupt_handler_t *handler; void *arg; + int count; }; static struct interrupt_action irq_vecs[NR_IRQS]; @@ -45,12 +53,18 @@ static struct interrupt_action irq_vecs[NR_IRQS]; int interrupt_init_cpu (ulong *decrementer_count) { volatile immap_t *immr = (immap_t *) CFG_IMMR; + int vec; /* Decrementer used here for status led */ *decrementer_count = get_tbclk () / CFG_HZ; /* Disable all interrupts */ immr->im_siu_conf.sc_simask = 0; + for (vec=0; vec<NR_IRQS; vec++) { + irq_vecs[vec].handler = NULL; + irq_vecs[vec].arg = NULL; + irq_vecs[vec].count = 0; + } return (0); } @@ -163,3 +177,31 @@ void timer_interrupt_cpu (struct pt_regs *regs) return; } + +#if (CONFIG_COMMANDS & CFG_CMD_IRQ) +/******************************************************************************* + * + * irqinfo - print information about IRQs + * + */ +int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int vec; + + printf ("\nInterrupt-Information:\n"); + printf ("Nr Routine Arg Count\n"); + + for (vec=0; vec<NR_IRQS; vec++) { + if (irq_vecs[vec].handler != NULL) { + printf ("%02d %08lx %08lx %d\n", + vec, + (ulong)irq_vecs[vec].handler, + (ulong)irq_vecs[vec].arg, + irq_vecs[vec].count); + } + } + return 0; +} + + +#endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */ |