void get_bus_conf(void) { unsigned apicid_base; struct mb_sysconf_t *m; device_t dev; int i; printk(BIOS_SPEW, "get_bus_conf()\n"); if(get_bus_conf_done==1) return; //do it only once get_bus_conf_done = 1; sysconf.mb = &mb_sysconf; m = sysconf.mb; memset(m, 0, sizeof(struct mb_sysconf_t)); 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_pci1234(); sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff; /* MCP55 */ dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); if (dev) { m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); } else { printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06); } for(i=2; i<8;i++) { dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0)); if (dev) { m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); } else { printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 ); } } /*I/O APICs: APIC ID Version State Address*/ #if CONFIG_LOGICAL_CPUS apicid_base = get_apicid_base(1); printk(BIOS_SPEW, "CONFIG_LOGICAL_CPUS==1: apicid_base: %08x\n", apicid_base); #else apicid_base = CONFIG_MAX_PHYSICAL_CPUS; printk(BIOS_SPEW, "CONFIG_LOGICAL_CPUS==0: apicid_base: %08x\n", apicid_base); #endif m->apicid_mcp55 = apicid_base+0; }
void get_bus_conf(void) { unsigned apicid_base; struct mb_sysconf_t *m; device_t dev; int i, j; if(get_bus_conf_done==1) return; //do it only once get_bus_conf_done = 1; sysconf.mb = &mb_sysconf; m = sysconf.mb; memset(m, 0, sizeof(struct mb_sysconf_t)); 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_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; /* MCP55 */ dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); if (dev) { m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); } else { printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06); } for(i=2; i<8;i++) { dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0)); if (dev) { m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); } else { printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 ); } } 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); #else apicid_base = CONFIG_MAX_PHYSICAL_CPUS; #endif m->apicid_mcp55 = apicid_base+0; }
void get_bus_conf(void) { unsigned apicid_base; struct device *dev; int i; struct mb_sysconf_t *m; if (get_bus_conf_done == 1) return; //do it only once get_bus_conf_done = 1; sysconf.mb = &mb_sysconf; m = sysconf.mb; memset(m, 0, sizeof(struct mb_sysconf_t)); 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_pci1234(); sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff; m->sbdn2 = sysconf.hcdn[0] & 0xff; // bcm5780 m->bus_bcm5785_0 = (sysconf.pci1234[0] >> 12) & 0xff; m->bus_bcm5780[0] = m->bus_bcm5785_0; /* bcm5785 */ printk(BIOS_DEBUG, "search for def %d.0 on bus %d\n",sysconf.sbdn,m->bus_bcm5785_0); dev = dev_find_slot(m->bus_bcm5785_0, PCI_DEVFN(sysconf.sbdn,0)); if (dev) { printk(BIOS_DEBUG, "found dev %s...\n",dev_path(dev)); m->bus_bcm5785_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); printk(BIOS_DEBUG, "secondary is %d...\n",m->bus_bcm5785_1); dev = dev_find_slot(m->bus_bcm5785_1, PCI_DEVFN(0xd,0)); printk(BIOS_DEBUG, "now found %s...\n",dev_path(dev)); if (dev) m->bus_bcm5785_1_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); } else { printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_bcm5785_0, sysconf.sbdn); } /* bcm5780 */ for (i = 1; i < 6; i++) { dev = dev_find_slot(m->bus_bcm5780[0], PCI_DEVFN(m->sbdn2 + i - 1,0)); if (dev) m->bus_bcm5780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); else printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_bcm5780[0], m->sbdn2+i-1); } /*I/O APICs: APIC ID Version State Address*/ apicid_base = 0x10; for (i = 0; i < 3; i++) m->apicid_bcm5785[i] = apicid_base+i; }