diff options
Diffstat (limited to 'src/mainboard/tyan/s2885')
| -rw-r--r-- | src/mainboard/tyan/s2885/get_bus_conf.c | 114 |
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; } |