diff options
Diffstat (limited to 'src/mainboard/google/kahlee/mainboard.c')
| -rw-r--r-- | src/mainboard/google/kahlee/mainboard.c | 41 |
1 files changed, 3 insertions, 38 deletions
diff --git a/src/mainboard/google/kahlee/mainboard.c b/src/mainboard/google/kahlee/mainboard.c index 3433f8bcaa..9cbfd4be46 100644 --- a/src/mainboard/google/kahlee/mainboard.c +++ b/src/mainboard/google/kahlee/mainboard.c @@ -18,17 +18,8 @@ #include <variant/ec.h> #include <variant/thermal.h> -/* - * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01. - * This table is responsible for physically routing the PIC and - * IOAPIC IRQs to the different PCI devices on the system. It - * is read and written via registers 0xC00/0xC01 as an - * Index/Data pair. These values are chipset and mainboard - * dependent and should be updated accordingly. - */ -static uint8_t fch_pic_routing[FCH_IRQ_ROUTING_ENTRIES]; -static uint8_t fch_apic_routing[FCH_IRQ_ROUTING_ENTRIES]; - +/* The IRQ mapping in fch_irq_map ends up getting written to the indirect address space that is + accessed via I/O ports 0xc00/0xc01. */ static const struct fch_irq_routing fch_irq_map[] = { { PIRQ_A, 3, 16 }, { PIRQ_B, 4, 17 }, @@ -61,35 +52,12 @@ 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) +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 *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 < 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; - } -} - /* * This table defines the index into the picr/intr_data tables for each * device. Any enabled device and slot that uses hardware interrupts should @@ -117,8 +85,6 @@ static void pirq_setup(void) { pirq_data_ptr = mainboard_pirq_data; pirq_data_size = ARRAY_SIZE(mainboard_pirq_data); - intr_data_ptr = fch_apic_routing; - picr_data_ptr = fch_pic_routing; } void __weak variant_devtree_update(void) @@ -165,7 +131,6 @@ static void mainboard_init(void *chip_info) *************************************************/ static void mainboard_enable(struct device *dev) { - init_tables(); /* Initialize the PIRQ data structures for consumption */ pirq_setup(); |