diff options
Diffstat (limited to 'src/mainboard/tyan/s2891')
| -rw-r--r-- | src/mainboard/tyan/s2891/acpi_tables.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/mainboard/tyan/s2891/acpi_tables.c b/src/mainboard/tyan/s2891/acpi_tables.c index 07d46be0db..895a629911 100644 --- a/src/mainboard/tyan/s2891/acpi_tables.c +++ b/src/mainboard/tyan/s2891/acpi_tables.c @@ -42,6 +42,20 @@ unsigned long acpi_fill_madt(unsigned long current) apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1) & ~0xf; current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 4, apic_addr, 0); + /* Initialize interrupt mapping if mptable.c didn't. */ + #if (!CONFIG_GENERATE_MP_TABLE) + { + u32 dword; + dword = 0x0120d218; + pci_write_config32(dev, 0x7c, dword); + + dword = 0x12008a00; + pci_write_config32(dev, 0x80, dword); + + dword = 0x0000007d; + pci_write_config32(dev, 0x84, dword); + } + #endif } /* Write AMD 8131 two IOAPICs. */ @@ -59,9 +73,9 @@ unsigned long acpi_fill_madt(unsigned long current) apic_addr, 0x1C); } - /* IRQ9 ACPI active low. */ + /* IRQ9 */ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) - current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW); + current, 0, 9, 9, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_LOW); /* 0: mean bus 0--->ISA */ /* 0: PIC 0 */ |