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]);