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-rw-r--r--src/mainboard/tyan/s2885/get_bus_conf.c114
1 files changed, 58 insertions, 56 deletions
diff --git a/src/mainboard/tyan/s2885/get_bus_conf.c b/src/mainboard/tyan/s2885/get_bus_conf.c
index e390f7c106..88706c0bd5 100644
--- a/src/mainboard/tyan/s2885/get_bus_conf.c
+++ b/src/mainboard/tyan/s2885/get_bus_conf.c
@@ -19,15 +19,14 @@ unsigned char bus_8111_0 = 1;
unsigned char bus_8111_1 = 4;
unsigned char bus_8151_0 = 5;
unsigned char bus_8151_1 = 6;
-unsigned apicid_8111 ;
+unsigned apicid_8111;
unsigned apicid_8131_1;
unsigned apicid_8131_2;
-unsigned pci1234x[] =
-{ //Here you only need to set value in pci1234 for HT-IO that could be installed or not
- //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
- 0x0000ff0,
- 0x0000ff0,
+unsigned pci1234x[] = { //Here you only need to set value in pci1234 for HT-IO that could be installed or not
+ //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
+ 0x0000ff0,
+ 0x0000ff0,
// 0x0000ff0,
// 0x0000ff0,
// 0x0000ff0,
@@ -35,8 +34,8 @@ unsigned pci1234x[] =
// 0x0000ff0,
// 0x0000ff0
};
-unsigned hcdnx[] =
-{ //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
+
+unsigned hcdnx[] = { //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
0x20202020,
0x20202020,
// 0x20202020,
@@ -46,11 +45,10 @@ unsigned hcdnx[] =
// 0x20202020,
// 0x20202020,
};
+
unsigned sbdn3;
unsigned sbdn5;
-
-
static unsigned get_bus_conf_done = 0;
void get_bus_conf(void)
@@ -58,20 +56,21 @@ void get_bus_conf(void)
unsigned apicid_base;
- device_t dev;
- int i;
+ device_t dev;
+ int i;
- if(get_bus_conf_done==1) return; //do it only once
+ if (get_bus_conf_done == 1)
+ return; //do it only once
- get_bus_conf_done = 1;
+ get_bus_conf_done = 1;
- sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
- for(i=0;i<sysconf.hc_possible_num; i++) {
- sysconf.pci1234[i] = pci1234x[i];
- sysconf.hcdn[i] = hcdnx[i];
- }
+ sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
+ for (i = 0; i < sysconf.hc_possible_num; i++) {
+ sysconf.pci1234[i] = pci1234x[i];
+ sysconf.hcdn[i] = hcdnx[i];
+ }
- get_sblk_pci1234();
+ get_sblk_pci1234();
sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff;
sbdn3 = sysconf.hcdn[0] & 0xff;
@@ -80,43 +79,46 @@ void get_bus_conf(void)
bus_8131_0 = (sysconf.pci1234[0] >> 16) & 0xff;
bus_8111_0 = bus_8131_0;
- /* 8111 */
- dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
- if (dev) {
- bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:03.0, using defaults\n", bus_8111_0);
- }
-
- /* 8131-1 */
- dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
- if (dev) {
- bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);
- }
-
- /* 8132-2 */
- dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
- if (dev) {
- bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
- }
- else {
- printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
- }
-
- /* HT chain 1 */
+ /* 8111 */
+ dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn, 0));
+ if (dev) {
+ bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:03.0, using defaults\n",
+ bus_8111_0);
+ }
+
+ /* 8131-1 */
+ dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3, 0));
+ if (dev) {
+ bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:01.0, using defaults\n",
+ bus_8131_0);
+ }
+
+ /* 8132-2 */
+ dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3 + 1, 0));
+ if (dev) {
+ bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ } else {
+ printk(BIOS_DEBUG,
+ "ERROR - could not find PCI %02x:02.0, using defaults\n",
+ bus_8131_0);
+ }
+
+ /* HT chain 1 */
// it is on node0, so it must be there
bus_8151_0 = (sysconf.pci1234[1] >> 16) & 0xff;
- /* 8151 */
- dev = dev_find_slot(bus_8151_0, PCI_DEVFN(sbdn5+1, 0));
+ /* 8151 */
+ dev = dev_find_slot(bus_8151_0, PCI_DEVFN(sbdn5 + 1, 0));
- if (dev) {
- bus_8151_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
+ if (dev) {
+ bus_8151_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
// printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151_1);
- }
+ }
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS
@@ -124,7 +126,7 @@ void get_bus_conf(void)
#else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
- apicid_8111 = apicid_base+0;
- apicid_8131_1 = apicid_base+1;
- apicid_8131_2 = apicid_base+2;
+ apicid_8111 = apicid_base + 0;
+ apicid_8131_1 = apicid_base + 1;
+ apicid_8131_2 = apicid_base + 2;
}