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-rw-r--r--src/mainboard/amd/south_station/get_bus_conf.c8
-rw-r--r--src/mainboard/amd/south_station/mptable.c20
2 files changed, 12 insertions, 16 deletions
diff --git a/src/mainboard/amd/south_station/get_bus_conf.c b/src/mainboard/amd/south_station/get_bus_conf.c
index 53c7953f3c..dcdd0b2c55 100644
--- a/src/mainboard/amd/south_station/get_bus_conf.c
+++ b/src/mainboard/amd/south_station/get_bus_conf.c
@@ -31,13 +31,10 @@
* and acpi_tables busnum is default.
*/
u8 bus_sb800[6];
-u32 apicid_sb800;
void get_bus_conf(void)
{
- u32 apicid_base;
-
device_t dev;
int i;
@@ -63,9 +60,4 @@ void get_bus_conf(void)
}
}
-
- /* I/O APICs: APIC ID Version State Address */
- apicid_base = CONFIG_MAX_CPUS;
- apicid_sb800 = apicid_base;
-
}
diff --git a/src/mainboard/amd/south_station/mptable.c b/src/mainboard/amd/south_station/mptable.c
index 57eaa0ec3a..c2ec4a26df 100644
--- a/src/mainboard/amd/south_station/mptable.c
+++ b/src/mainboard/amd/south_station/mptable.c
@@ -22,12 +22,12 @@
#include <arch/smp/mpspec.h>
#include <device/pci.h>
#include <arch/io.h>
+#include <arch/ioapic.h>
#include <string.h>
#include <stdint.h>
#include <cpu/amd/amdfam14.h>
#include <SBPLATFORM.h>
-extern u32 apicid_sb800;
u8 intr_data[] = {
[0x00] = 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, /* INTA# - INTH# */
@@ -44,6 +44,14 @@ static void *smp_write_config_table(void *v)
struct mp_config_table *mc;
int bus_isa;
+ /*
+ * By the time this function gets called, the IOAPIC registers
+ * have been written so they can be read to get the correct
+ * APIC ID and Version
+ */
+ u8 ioapic_id = (io_apic_read(IO_APIC_ADDR, 0x00) >> 24);
+ u8 ioapic_ver = (io_apic_read(IO_APIC_ADDR, 0x01) & 0xFF);
+
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
mptable_init(mc, LOCAL_APIC_ADDR);
@@ -54,14 +62,10 @@ static void *smp_write_config_table(void *v)
mptable_write_buses(mc, NULL, &bus_isa);
/* I/O APICs: APIC ID Version State Address */
+ smp_write_ioapic(mc, ioapic_id, ioapic_ver, IO_APIC_ADDR);
- u32 dword;
u8 byte;
- ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
- dword &= 0xFFFFFFF0;
- smp_write_ioapic(mc, apicid_sb800, 0x21, dword);
-
for (byte = 0x0; byte < sizeof(intr_data); byte ++) {
outb(byte | 0x80, 0xC00);
outb(intr_data[byte], 0xC01);
@@ -71,13 +75,13 @@ static void *smp_write_config_table(void *v)
#define IO_LOCAL_INT(type, intr, apicid, pin) \
smp_write_lintsrc(mc, (type), MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, bus_isa, (intr), (apicid), (pin));
- mptable_add_isa_interrupts(mc, bus_isa, apicid_sb800, 0);
+ mptable_add_isa_interrupts(mc, bus_isa, ioapic_id, 0);
/* PCI interrupts are level triggered, and are
* associated with a specific bus/device/function tuple.
*/
#define PCI_INT(bus, dev, fn, pin) \
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, (bus), (((dev)<<2)|(fn)), apicid_sb800, (pin))
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, (bus), (((dev)<<2)|(fn)), ioapic_id, (pin))
/* APU Internal Graphic Device*/
PCI_INT(0x0, 0x01, 0x0, intr_data[0x02]);