diff options
Diffstat (limited to 'src/mainboard/gigabyte/m57sli/get_bus_conf.c')
| -rw-r--r-- | src/mainboard/gigabyte/m57sli/get_bus_conf.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/src/mainboard/gigabyte/m57sli/get_bus_conf.c b/src/mainboard/gigabyte/m57sli/get_bus_conf.c index 80822556fe..c798415579 100644 --- a/src/mainboard/gigabyte/m57sli/get_bus_conf.c +++ b/src/mainboard/gigabyte/m57sli/get_bus_conf.c @@ -31,17 +31,14 @@ #include <cpu/amd/amdk8_sysconf.h> #include <stdlib.h> - // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables //busnum is default - unsigned char bus_mcp55[8]; //1 - unsigned apicid_mcp55; - +unsigned char bus_mcp55[8]; //1 +unsigned apicid_mcp55; -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, +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, @@ -50,10 +47,10 @@ 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, // 0x20202020, // 0x20202020, // 0x20202020, @@ -70,51 +67,54 @@ void get_bus_conf(void) unsigned apicid_base; unsigned sbdn; - 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] & 0xff); // first byte of first chain + sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain sbdn = sysconf.sbdn; - for(i=0; i<8; i++) { + for (i = 0; i < 8; i++) { bus_mcp55[i] = 0; } bus_mcp55[0] = (sysconf.pci1234[0] >> 16) & 0xff; - /* MCP55 */ - dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x06,0)); - if (dev) { - bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); - bus_mcp55[2] = pci_read_config8(dev, PCI_SUBORDINATE_BUS); - bus_mcp55[2]++; - } - else { - printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x06); - - bus_mcp55[1] = 2; - bus_mcp55[2] = 3; - } - - for(i=2; i<8;i++) { - dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x0a + i - 2 , 0)); - if (dev) { - bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); - } - } + /* MCP55 */ + dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn + 0x06, 0)); + if (dev) { + bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_mcp55[2] = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_mcp55[2]++; + } else { + printk(BIOS_DEBUG, + "ERROR - could not find PCI 1:%02x.0, using defaults\n", + sbdn + 0x06); + + bus_mcp55[1] = 2; + bus_mcp55[2] = 3; + } + for (i = 2; i < 8; i++) { + dev = + dev_find_slot(bus_mcp55[0], + PCI_DEVFN(sbdn + 0x0a + i - 2, 0)); + if (dev) { + bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); + } + } /*I/O APICs: APIC ID Version State Address*/ #if CONFIG_LOGICAL_CPUS @@ -122,6 +122,6 @@ void get_bus_conf(void) #else apicid_base = CONFIG_MAX_PHYSICAL_CPUS; #endif - apicid_mcp55 = apicid_base+0; + apicid_mcp55 = apicid_base + 0; } |