diff options
Diffstat (limited to 'src/mainboard/hp/dl145_g1/get_bus_conf.c')
-rw-r--r-- | src/mainboard/hp/dl145_g1/get_bus_conf.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/mainboard/hp/dl145_g1/get_bus_conf.c b/src/mainboard/hp/dl145_g1/get_bus_conf.c new file mode 100644 index 0000000000..562ba935d8 --- /dev/null +++ b/src/mainboard/hp/dl145_g1/get_bus_conf.c @@ -0,0 +1,128 @@ +#include <console/console.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <string.h> +#include <stdint.h> +#if CONFIG_LOGICAL_CPUS==1 +#include <cpu/amd/multicore.h> +#endif + +#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_isa = 5 ; +unsigned char bus_8131_0 = 1; +unsigned char bus_8131_1 = 2; +unsigned char bus_8131_2 = 3; +unsigned char bus_8111_0 = 1; +unsigned char bus_8111_1 = 4; +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, +// 0x0000ff0, +// 0x0000ff0, +// 0x0000ff0, +// 0x0000ff0, +// 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 + 0x20202020, +// 0x20202020, +// 0x20202020, +// 0x20202020, +// 0x20202020, +// 0x20202020, +// 0x20202020, +// 0x20202020, +}; +unsigned sbdn3; + + + +static unsigned get_bus_conf_done = 0; + +void get_bus_conf(void) +{ + + unsigned apicid_base; + + device_t dev; + int i; + + if(get_bus_conf_done==1) return; //do it only once + + 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]; + } + + get_sblk_pci1234(); + + sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff; + sbdn3 = sysconf.hcdn[0] & 0xff; + + 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); +#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); + } + + /* 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); +#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); + } + + +/*I/O APICs: APIC ID Version State Address*/ +#if CONFIG_LOGICAL_CPUS==1 + apicid_base = get_apicid_base(3); +#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; +} |