diff options
Diffstat (limited to 'src/mainboard/amd/bilby/mainboard.c')
| -rw-r--r-- | src/mainboard/amd/bilby/mainboard.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/mainboard/amd/bilby/mainboard.c b/src/mainboard/amd/bilby/mainboard.c index c594a90b1d..ca856841d4 100644 --- a/src/mainboard/amd/bilby/mainboard.c +++ b/src/mainboard/amd/bilby/mainboard.c @@ -56,18 +56,32 @@ static const struct fch_irq_routing fch_irq_map[] = { { PIRQ_MISC2, 0x00, 0x00 }, }; +static const struct fch_irq_routing *mb_get_fch_irq_mapping(size_t *length) +{ + *length = ARRAY_SIZE(fch_irq_map); + return fch_irq_map; +} + static void init_tables(void) { - const struct fch_irq_routing *entry; - int i; + const struct fch_irq_routing *mb_irq_map; + size_t mb_fch_irq_mapping_table_size; + size_t i; + + mb_irq_map = mb_get_fch_irq_mapping(&mb_fch_irq_mapping_table_size); memset(fch_pic_routing, PIRQ_NC, sizeof(fch_pic_routing)); memset(fch_apic_routing, PIRQ_NC, sizeof(fch_apic_routing)); - for (i = 0; i < ARRAY_SIZE(fch_irq_map); i++) { - entry = fch_irq_map + i; - fch_pic_routing[entry->intr_index] = entry->pic_irq_num; - fch_apic_routing[entry->intr_index] = entry->apic_irq_num; + for (i = 0; i < mb_fch_irq_mapping_table_size; i++) { + if (mb_irq_map[i].intr_index >= FCH_IRQ_ROUTING_ENTRIES) { + printk(BIOS_WARNING, + "Invalid IRQ index %u in FCH IRQ routing table entry %zu\n", + mb_irq_map[i].intr_index, i); + continue; + } + fch_pic_routing[mb_irq_map[i].intr_index] = mb_irq_map[i].pic_irq_num; + fch_apic_routing[mb_irq_map[i].intr_index] = mb_irq_map[i].apic_irq_num; } } |