Initialize the interrupts even if you don't generate the MP_TABLE. I
just copied the values from mptable.c.
Also set IRQ 9 to be edge-triggered to make Linux stop complaining.
Signed-off-by: Myles Watson <[email protected]>
Thanks,
Myles
Index: cbv2/src/mainboard/tyan/s2891/acpi_tables.c
===================================================================
--- cbv2.orig/src/mainboard/tyan/s2891/acpi_tables.c
+++ cbv2/src/mainboard/tyan/s2891/acpi_tables.c
@@ -42,6 +42,19 @@ unsigned long acpi_fill_madt(unsigned lo
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);
+ #if !CONFIG_HAVE_MP_TABLE /* Initialize interrupt mapping. */
+ {
+ 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. */
@@ -61,7 +74,7 @@ unsigned long acpi_fill_madt(unsigned lo
/* IRQ9 ACPI active low. */
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 */
Index: cbv2/src/mainboard/tyan/s2892/acpi_tables.c
===================================================================
--- cbv2.orig/src/mainboard/tyan/s2892/acpi_tables.c
+++ cbv2/src/mainboard/tyan/s2892/acpi_tables.c
@@ -42,6 +42,19 @@ unsigned long acpi_fill_madt(unsigned lo
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);
+ #if !CONFIG_HAVE_MP_TABLE /* Initialize interrupt mapping. */
+ {
+ 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. */
@@ -61,7 +74,7 @@ unsigned long acpi_fill_madt(unsigned lo
/* IRQ9 ACPI active low. */
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 */
Index: cbv2/src/mainboard/tyan/s2895/acpi_tables.c
===================================================================
--- cbv2.orig/src/mainboard/tyan/s2895/acpi_tables.c
+++ cbv2/src/mainboard/tyan/s2895/acpi_tables.c
@@ -42,6 +42,19 @@ unsigned long acpi_fill_madt(unsigned lo
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);
+ #if !CONFIG_HAVE_MP_TABLE /* Initialize interrupt mapping. */
+ {
+ u32 dword;
+ dword = 0x0120d218;
+ pci_write_config32(dev, 0x7c, dword);
+
+ dword = 0x12008a00;
+ pci_write_config32(dev, 0x80, dword);
+
+ dword = 0x00080d7d;
+ pci_write_config32(dev, 0x84, dword);
+ }
+ #endif
}
/* Write AMD 8131 two IOAPICs. */
@@ -65,11 +78,24 @@ unsigned long acpi_fill_madt(unsigned lo
apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1) & ~0xf;
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 7,
apic_addr, 0x20);
+ #if !CONFIG_HAVE_MP_TABLE /* Initialize interrupt mapping. */
+ {
+ u32 dword;
+ dword = 0x0000d218; // Why does the factory BIOS have 0?
+ pci_write_config32(dev, 0x7c, dword);
+
+ dword = 0x00000000;
+ pci_write_config32(dev, 0x80, dword);
+
+ dword = 0x00000d00; // Same here.
+ pci_write_config32(dev, 0x84, dword);
+ }
+ #endif
}
/* IRQ9 ACPI active low. */
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);
/* IRQ0 -> APIC IRQ2. */
/* Doesn't work on this board. */
--
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