Convert more boards to use mptable_write_buses.

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6106 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

19 files changed, 24 insertions, 160 deletions

diff --git a/src/mainboard/tyan/s2881/get_bus_conf.c b/src/mainboard/tyan/s2881/get_bus_conf.c
index 562ba935d8..e4721ce42e 100644
--- a/src/mainboard/tyan/s2881/get_bus_conf.c
+++ b/src/mainboard/tyan/s2881/get_bus_conf.c
@@ -13,7 +13,6 @@
 
 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
 //busnum is default
-unsigned char bus_isa = 5 ;
 unsigned char bus_8131_0 = 1;
 unsigned char bus_8131_1 = 2;
 unsigned char bus_8131_2 = 3;
@@ -82,11 +81,6 @@ void get_bus_conf(void)
         dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
         if (dev) {
                 bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-#if CONFIG_HT_CHAIN_END_UNITID_BASE >= CONFIG_HT_CHAIN_UNITID_BASE
-                bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                bus_isa++;
-//		printk(BIOS_DEBUG, "bus_isa=%d\n",bus_isa);
-#endif
         }
 	else {
                 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:03.0, using defaults\n", bus_8111_0);
@@ -105,11 +99,6 @@ void get_bus_conf(void)
         dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
         if (dev) {
                 bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-#if CONFIG_HT_CHAIN_END_UNITID_BASE < CONFIG_HT_CHAIN_UNITID_BASE
-                bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                bus_isa++;
-//              printk(BIOS_DEBUG, "bus_isa=%d\n",bus_isa);
-#endif
         }
         else {
                 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
diff --git a/src/mainboard/tyan/s2881/mptable.c b/src/mainboard/tyan/s2881/mptable.c
index 37ca8f20de..2754d870d4 100644
--- a/src/mainboard/tyan/s2881/mptable.c
+++ b/src/mainboard/tyan/s2881/mptable.c
@@ -6,7 +6,6 @@
 #include <stdint.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_8131_0;
 extern  unsigned char bus_8131_1;
 extern  unsigned char bus_8131_2;
@@ -21,8 +20,7 @@ extern  unsigned sbdn3;
 static void *smp_write_config_table(void *v)
 {
         struct mp_config_table *mc;
-        unsigned char bus_num;
-	int i;
+	int i, bus_isa;
 
         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -32,13 +30,7 @@ static void *smp_write_config_table(void *v)
 
 	get_bus_conf();
 
-/*Bus:          Bus ID  Type*/
-        /* define bus and isa numbers */
-        for(bus_num = 0; bus_num < bus_isa; bus_num++) {
-                smp_write_bus(mc, bus_num, "PCI   ");
-        }
-        smp_write_bus(mc, bus_isa, "ISA   ");
-
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	smp_write_ioapic(mc, apicid_8111, 0x11, IO_APIC_ADDR);
diff --git a/src/mainboard/tyan/s2882/mptable.c b/src/mainboard/tyan/s2882/mptable.c
index 5ee995c2a9..9b040defaf 100644
--- a/src/mainboard/tyan/s2882/mptable.c
+++ b/src/mainboard/tyan/s2882/mptable.c
@@ -46,8 +46,7 @@ static unsigned node_link_to_bus(unsigned node, unsigned link)
 static void *smp_write_config_table(void *v)
 {
         struct mp_config_table *mc;
-        unsigned char bus_num;
-        unsigned char bus_isa;
+        int bus_isa;
 	unsigned char bus_chain_0;
         unsigned char bus_8131_1;
         unsigned char bus_8131_2;
@@ -76,14 +75,11 @@ static void *smp_write_config_table(void *v)
                 dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
                 if (dev) {
                         bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:03.0, using defaults\n");
 
                         bus_8111_1 = 4;
-                        bus_isa = 5;
                 }
                 /* 8131-1 */
                 dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
@@ -108,13 +104,7 @@ static void *smp_write_config_table(void *v)
                         bus_8131_2 = 3;
                 }
         }
-/*Bus:          Bus ID  Type*/
-        /* define bus and isa numbers */
-        for(bus_num = 0; bus_num < bus_isa; bus_num++) {
-                smp_write_bus(mc, bus_num, "PCI   ");
-        }
-        smp_write_bus(mc, bus_isa, "ISA   ");
-
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 #if CONFIG_LOGICAL_CPUS==1
diff --git a/src/mainboard/tyan/s2885/get_bus_conf.c b/src/mainboard/tyan/s2885/get_bus_conf.c
index a511afa395..5cb760da2f 100644
--- a/src/mainboard/tyan/s2885/get_bus_conf.c
+++ b/src/mainboard/tyan/s2885/get_bus_conf.c
@@ -12,7 +12,6 @@
 
 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
 //busnum is default
-unsigned char bus_isa = 7 ;
 unsigned char bus_8131_0 = 1;
 unsigned char bus_8131_1 = 2;
 unsigned char bus_8131_2 = 3;
@@ -85,11 +84,6 @@ void get_bus_conf(void)
         dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
         if (dev) {
                 bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-#if CONFIG_HT_CHAIN_END_UNITID_BASE >= CONFIG_HT_CHAIN_UNITID_BASE
-                bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                bus_isa++;
-//		printk(BIOS_DEBUG, "bus_isa=%d\n",bus_isa);
-#endif
         }
 	else {
                 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:03.0, using defaults\n", bus_8111_0);
@@ -108,12 +102,6 @@ void get_bus_conf(void)
         dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
         if (dev) {
                 bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-#if CONFIG_HT_CHAIN_END_UNITID_BASE < CONFIG_HT_CHAIN_UNITID_BASE
-                bus_isa    = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                bus_isa++;
-//              printk(BIOS_DEBUG, "bus_isa=%d\n",bus_isa);
-#endif
-
         }
         else {
                 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
@@ -128,8 +116,6 @@ void get_bus_conf(void)
         if (dev) {
            	bus_8151_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
 //              printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151_1);
-                bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-       	        bus_isa++;
        	}
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
diff --git a/src/mainboard/tyan/s2885/mptable.c b/src/mainboard/tyan/s2885/mptable.c
index 733e82bef3..d3a26207e2 100644
--- a/src/mainboard/tyan/s2885/mptable.c
+++ b/src/mainboard/tyan/s2885/mptable.c
@@ -6,7 +6,6 @@
 #include <stdint.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_8131_0;
 extern  unsigned char bus_8131_1;
 extern  unsigned char bus_8131_2;
@@ -24,8 +23,7 @@ extern  unsigned sbdn5;
 static void *smp_write_config_table(void *v)
 {
         struct mp_config_table *mc;
-        unsigned char bus_num;
-	int i;
+	int i, bus_isa;
 
         mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -35,12 +33,7 @@ static void *smp_write_config_table(void *v)
 
 	get_bus_conf();
 
-/*Bus:		Bus ID	Type*/
-       /* define bus and isa numbers */
-        for(bus_num = 0; bus_num < bus_isa; bus_num++) {
-                smp_write_bus(mc, bus_num, "PCI   ");
-        }
-        smp_write_bus(mc, bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	smp_write_ioapic(mc, apicid_8111, 0x11, IO_APIC_ADDR); //8111
diff --git a/src/mainboard/tyan/s2891/get_bus_conf.c b/src/mainboard/tyan/s2891/get_bus_conf.c
index 2bd6954389..bbb02e9f98 100644
--- a/src/mainboard/tyan/s2891/get_bus_conf.c
+++ b/src/mainboard/tyan/s2891/get_bus_conf.c
@@ -12,7 +12,6 @@
 
 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
 //busnum is default
-        unsigned char bus_isa;
         unsigned char bus_ck804_0; //1
         unsigned char bus_ck804_1; //2
         unsigned char bus_ck804_2; //3
@@ -117,8 +116,6 @@ void get_bus_conf(void)
                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn+ 0x0e,0));
                 if (dev) {
                         bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e);
@@ -142,14 +139,11 @@ void get_bus_conf(void)
                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
                 if (dev) {
                         bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
 
                         bus_8131_2 = bus_8131_1+1;
-                        bus_isa = bus_8131_1+2;
                 }
 
 		if(sysconf.pci1234[2] & 1) {
diff --git a/src/mainboard/tyan/s2891/irq_tables.c b/src/mainboard/tyan/s2891/irq_tables.c
index cd40c999f7..d584dbb7a7 100644
--- a/src/mainboard/tyan/s2891/irq_tables.c
+++ b/src/mainboard/tyan/s2891/irq_tables.c
@@ -30,7 +30,6 @@ static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t dev
 	pirq_info->rfu = rfu;
 }
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_ck804_0; //1
 extern  unsigned char bus_ck804_1; //2
 extern  unsigned char bus_ck804_2; //3
diff --git a/src/mainboard/tyan/s2891/mptable.c b/src/mainboard/tyan/s2891/mptable.c
index b7dd77ac26..56635e5340 100644
--- a/src/mainboard/tyan/s2891/mptable.c
+++ b/src/mainboard/tyan/s2891/mptable.c
@@ -5,7 +5,6 @@
 #include <stdint.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_ck804_0; //1
 extern  unsigned char bus_ck804_1; //2
 extern  unsigned char bus_ck804_2; //3
@@ -25,8 +24,7 @@ static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
 	unsigned sbdn;
-	unsigned char bus_num;
-	int i;
+	int i, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -37,12 +35,7 @@ static void *smp_write_config_table(void *v)
 	get_bus_conf();
 	sbdn = sysconf.sbdn;
 
-/*Bus:		Bus ID	Type*/
-       /* define bus and isa numbers */
-	for(bus_num = 0; bus_num < bus_isa; bus_num++) {
-		smp_write_bus(mc, bus_num, "PCI   ");
-	}
-	smp_write_bus(mc, bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	{
diff --git a/src/mainboard/tyan/s2892/get_bus_conf.c b/src/mainboard/tyan/s2892/get_bus_conf.c
index cadf9d953f..3a45cfa158 100644
--- a/src/mainboard/tyan/s2892/get_bus_conf.c
+++ b/src/mainboard/tyan/s2892/get_bus_conf.c
@@ -12,7 +12,6 @@
 
 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
 //busnum is default
-        unsigned char bus_isa;
         unsigned char bus_ck804_0; //1
         unsigned char bus_ck804_1; //2
         unsigned char bus_ck804_2; //3
@@ -114,8 +113,6 @@ void get_bus_conf(void)
                 dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn+ 0x0e,0));
                 if (dev) {
                         bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e);
@@ -139,14 +136,11 @@ void get_bus_conf(void)
                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
                 if (dev) {
                         bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
 
                         bus_8131_2 = bus_8131_1+1;
-                        bus_isa = bus_8131_1+2;
                 }
 
 
diff --git a/src/mainboard/tyan/s2892/irq_tables.c b/src/mainboard/tyan/s2892/irq_tables.c
index dbe15efded..157ed12864 100644
--- a/src/mainboard/tyan/s2892/irq_tables.c
+++ b/src/mainboard/tyan/s2892/irq_tables.c
@@ -30,7 +30,6 @@ static void write_pirq_info(struct irq_info *pirq_info, uint8_t bus, uint8_t dev
 	pirq_info->rfu = rfu;
 }
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_ck804_0; //1
 extern  unsigned char bus_ck804_1; //2
 extern  unsigned char bus_ck804_2; //3
diff --git a/src/mainboard/tyan/s2892/mptable.c b/src/mainboard/tyan/s2892/mptable.c
index 151659018d..79064ed40d 100644
--- a/src/mainboard/tyan/s2892/mptable.c
+++ b/src/mainboard/tyan/s2892/mptable.c
@@ -5,7 +5,6 @@
 #include <stdint.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_ck804_0; //1
 extern  unsigned char bus_ck804_1; //2
 extern  unsigned char bus_ck804_2; //3
@@ -25,8 +24,7 @@ static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
 	unsigned sbdn;
-	unsigned char bus_num;
-	int i;
+	int i, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -37,12 +35,7 @@ static void *smp_write_config_table(void *v)
 	get_bus_conf();
 	sbdn = sysconf.sbdn;
 
-/*Bus:		Bus ID	Type*/
-       /* define bus and isa numbers */
-	for(bus_num = 0; bus_num < bus_isa; bus_num++) {
-		smp_write_bus(mc, bus_num, "PCI   ");
-	}
-	smp_write_bus(mc, bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	{
diff --git a/src/mainboard/tyan/s2895/get_bus_conf.c b/src/mainboard/tyan/s2895/get_bus_conf.c
index ef5963e39e..9de16291fd 100644
--- a/src/mainboard/tyan/s2895/get_bus_conf.c
+++ b/src/mainboard/tyan/s2895/get_bus_conf.c
@@ -12,7 +12,6 @@
 
 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
 //busnum is default
-        unsigned char bus_isa;
         unsigned char bus_ck804_0; //1
         unsigned char bus_ck804_1; //2
         unsigned char bus_ck804_2; //3
@@ -134,8 +133,6 @@ void get_bus_conf(void)
                 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
                 if (dev) {
                         bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
@@ -151,13 +148,10 @@ void get_bus_conf(void)
                 dev = dev_find_slot(bus_ck804b_0, PCI_DEVFN(sbdnb + 0x0e,0));
                 if (dev) {
                         bus_ck804b_5 = pci_read_config8(dev, PCI_SECONDARY_BUS);
-                        bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
-                        bus_isa++;
                 }
                 else {
                         printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", bus_ck804b_0,sbdnb+0x0e);
                         bus_ck804b_5 = bus_ck804b_4+1;
-                        bus_isa = bus_ck804b_5+1;
                 }
 	}
 
diff --git a/src/mainboard/tyan/s2895/mptable.c b/src/mainboard/tyan/s2895/mptable.c
index 71c7f9045b..d62a087280 100644
--- a/src/mainboard/tyan/s2895/mptable.c
+++ b/src/mainboard/tyan/s2895/mptable.c
@@ -5,7 +5,6 @@
 #include <stdint.h>
 #include <cpu/amd/amdk8_sysconf.h>
 
-extern  unsigned char bus_isa;
 extern  unsigned char bus_ck804_0; //1
 extern  unsigned char bus_ck804_1; //2
 extern  unsigned char bus_ck804_2; //3
@@ -33,8 +32,7 @@ static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
 	unsigned sbdn;
-	unsigned char bus_num;
-	int i;
+	int i, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -45,12 +43,7 @@ static void *smp_write_config_table(void *v)
 	get_bus_conf();
 	sbdn = sysconf.sbdn;
 
-/*Bus:		Bus ID	Type*/
-       /* define bus and isa numbers */
-	for(bus_num = 0; bus_num < bus_isa; bus_num++) {
-		smp_write_bus(mc, bus_num, "PCI   ");
-	}
-	smp_write_bus(mc, bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	{
diff --git a/src/mainboard/tyan/s2912/get_bus_conf.c b/src/mainboard/tyan/s2912/get_bus_conf.c
index 9ff59d24ab..d16f4e6d40 100644
--- a/src/mainboard/tyan/s2912/get_bus_conf.c
+++ b/src/mainboard/tyan/s2912/get_bus_conf.c
@@ -71,7 +71,7 @@ void get_bus_conf(void)
 	struct mb_sysconf_t *m;
 
 	device_t dev;
-	int i, j;
+	int i;
 
 	if(get_bus_conf_done==1) return; //do it only once
 
@@ -92,8 +92,6 @@ void get_bus_conf(void)
 
 	sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
 
-	m->bus_type[0] = 1; //pci
-
 	m->bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff;
 
 	/* MCP55 */
@@ -113,18 +111,6 @@ void get_bus_conf(void)
 		}
 	}
 
-	for(i=0; i< sysconf.hc_possible_num; i++) {
-		if(!(sysconf.pci1234[i] & 0x1) ) continue;
-
-		unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
-		unsigned busn_max = (sysconf.pci1234[i] >> 24) & 0xff;
-		for (j = busn; j <= busn_max; j++)
-			m->bus_type[j] = 1;
-		if(m->bus_isa <= busn_max)
-			m->bus_isa = busn_max + 1;
-		printk(BIOS_DEBUG, "i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
-	}
-
 /*I/O APICs:	APIC ID	Version	State		Address*/
 #if CONFIG_LOGICAL_CPUS==1
 	apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/tyan/s2912/mb_sysconf.h b/src/mainboard/tyan/s2912/mb_sysconf.h
index a2e6fc7ade..d27ee3f69e 100644
--- a/src/mainboard/tyan/s2912/mb_sysconf.h
+++ b/src/mainboard/tyan/s2912/mb_sysconf.h
@@ -23,11 +23,8 @@
 #define MB_SYSCONF_H
 
 struct mb_sysconf_t {
-	unsigned char bus_isa;
 	unsigned char bus_mcp55[8]; //1
 	unsigned apicid_mcp55;
-	unsigned bus_type[256];
-
 };
 
 #endif
diff --git a/src/mainboard/tyan/s2912/mptable.c b/src/mainboard/tyan/s2912/mptable.c
index 927d6742b7..d6fe934500 100644
--- a/src/mainboard/tyan/s2912/mptable.c
+++ b/src/mainboard/tyan/s2912/mptable.c
@@ -32,7 +32,7 @@ static void *smp_write_config_table(void *v)
 	struct mp_config_table *mc;
 	struct mb_sysconf_t *m;
 	unsigned sbdn;
-	int i,j;
+	int i, j, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -44,13 +44,7 @@ static void *smp_write_config_table(void *v)
 	sbdn = sysconf.sbdn;
 	m = sysconf.mb;
 
-/*Bus:		Bus ID	Type*/
-	/* define bus and isa numbers */
-	for(j= 0; j < 256 ; j++) {
-		if(m->bus_type[j])
-			 smp_write_bus(mc, j, "PCI   ");
-	}
-	smp_write_bus(mc, m->bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	{
@@ -79,7 +73,7 @@ static void *smp_write_config_table(void *v)
 
 	}
 
-	mptable_add_isa_interrupts(mc, m->bus_isa, m->apicid_mcp55, 0);
+	mptable_add_isa_interrupts(mc, bus_isa, m->apicid_mcp55, 0);
 
 		   /*I/O Ints:	Type	Polarity    Trigger			Bus ID	 IRQ	APIC ID	PIN# */
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_mcp55[0], ((sbdn+1)<<2)|1, m->apicid_mcp55, 0xa);
@@ -108,8 +102,8 @@ static void *smp_write_config_table(void *v)
 		}
 
 /*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
-	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x0);
-	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x1);
+	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
+	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
 	/* There is no extension information... */
 
 	/* Compute the checksums */
diff --git a/src/mainboard/tyan/s2912_fam10/get_bus_conf.c b/src/mainboard/tyan/s2912_fam10/get_bus_conf.c
index 5a82b4ce69..da0ed54653 100644
--- a/src/mainboard/tyan/s2912_fam10/get_bus_conf.c
+++ b/src/mainboard/tyan/s2912_fam10/get_bus_conf.c
@@ -72,7 +72,7 @@ void get_bus_conf(void)
 	struct mb_sysconf_t *m;
 
 	device_t dev;
-	int i, j;
+	int i;
 
 	if(get_bus_conf_done==1) return; //do it only once
 
@@ -91,7 +91,6 @@ void get_bus_conf(void)
 
 	get_pci1234();
 
-	m->bus_type[0] = 1; //pci
 	sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
 	m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff;
 
@@ -114,18 +113,6 @@ void get_bus_conf(void)
 			}
 		}
 
-	for(i=0; i< sysconf.hc_possible_num; i++) {
-		if(!(sysconf.pci1234[i] & 0x1) ) continue;
-
-		unsigned busn = (sysconf.pci1234[i] >> 12) & 0xff;
-		unsigned busn_max = (sysconf.pci1234[i] >> 20) & 0xff;
-		for (j = busn; j <= busn_max; j++)
-			m->bus_type[j] = 1;
-		if(m->bus_isa <= busn_max)
-			m->bus_isa = busn_max + 1;
-		printk(BIOS_DEBUG, "i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa);
-	}
-
 /*I/O APICs:	APIC ID	Version	State		Address*/
 #if CONFIG_LOGICAL_CPUS==1
 	apicid_base = get_apicid_base(1);
diff --git a/src/mainboard/tyan/s2912_fam10/mb_sysconf.h b/src/mainboard/tyan/s2912_fam10/mb_sysconf.h
index a2e6fc7ade..d27ee3f69e 100644
--- a/src/mainboard/tyan/s2912_fam10/mb_sysconf.h
+++ b/src/mainboard/tyan/s2912_fam10/mb_sysconf.h
@@ -23,11 +23,8 @@
 #define MB_SYSCONF_H
 
 struct mb_sysconf_t {
-	unsigned char bus_isa;
 	unsigned char bus_mcp55[8]; //1
 	unsigned apicid_mcp55;
-	unsigned bus_type[256];
-
 };
 
 #endif
diff --git a/src/mainboard/tyan/s2912_fam10/mptable.c b/src/mainboard/tyan/s2912_fam10/mptable.c
index be0c9a3d9f..1bea664bb7 100644
--- a/src/mainboard/tyan/s2912_fam10/mptable.c
+++ b/src/mainboard/tyan/s2912_fam10/mptable.c
@@ -32,7 +32,7 @@ static void *smp_write_config_table(void *v)
 	struct mp_config_table *mc;
 	struct mb_sysconf_t *m;
 	unsigned sbdn;
-	int i,j;
+	int i, j, bus_isa;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
 
@@ -44,13 +44,7 @@ static void *smp_write_config_table(void *v)
 	sbdn = sysconf.sbdn;
 	m = sysconf.mb;
 
-/*Bus:		Bus ID	Type*/
-	/* define bus and isa numbers */
-	for(j= 0; j < 256 ; j++) {
-		if(m->bus_type[j])
-			 smp_write_bus(mc, j, "PCI   ");
-	}
-	smp_write_bus(mc, m->bus_isa, "ISA   ");
+	mptable_write_buses(mc, NULL, &bus_isa);
 
 /*I/O APICs:	APIC ID	Version	State		Address*/
 	{
@@ -79,7 +73,7 @@ static void *smp_write_config_table(void *v)
 
 	}
 
-	mptable_add_isa_interrupts(mc, m->bus_isa, m->apicid_mcp55, 0);
+	mptable_add_isa_interrupts(mc, bus_isa, m->apicid_mcp55, 0);
 
 			/*I/O Ints:	Type	Polarity    Trigger			Bus ID	 IRQ	APIC ID	PIN# */
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_mcp55[0], ((sbdn+1)<<2)|1, m->apicid_mcp55, 0xa);
@@ -108,8 +102,8 @@ static void *smp_write_config_table(void *v)
 		}
 
 /*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
-	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x0);
-	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, m->bus_isa, 0x0, MP_APIC_ALL, 0x1);
+	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x0);
+	smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, bus_isa, 0x0, MP_APIC_ALL, 0x1);
 	/* There is no extension information... */
 
 	/* Compute the checksums */