diff options
Diffstat (limited to 'src/mainboard/winent/mb6047/get_bus_conf.c')
| -rw-r--r-- | src/mainboard/winent/mb6047/get_bus_conf.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/mainboard/winent/mb6047/get_bus_conf.c b/src/mainboard/winent/mb6047/get_bus_conf.c new file mode 100644 index 0000000000..e94c608cc7 --- /dev/null +++ b/src/mainboard/winent/mb6047/get_bus_conf.c @@ -0,0 +1,164 @@ +#include <console/console.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <string.h> +#include <stdint.h> +#if CONFIG_LOGICAL_CPUS +#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_ck804_0; //1 +unsigned char bus_ck804_1; //2 +unsigned char bus_ck804_2; //3 +unsigned char bus_ck804_3; //4 +unsigned char bus_ck804_4; //5 +unsigned char bus_ck804_5; //6 +unsigned char bus_8131_0; //7 +unsigned char bus_8131_1; //8 +unsigned char bus_8131_2; //9 +unsigned char bus_coproc_0; +unsigned apicid_ck804; +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 + 0x0000000, + 0x0000200, + 0x0000100, +// 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; +unsigned coprocdn; + +static unsigned get_bus_conf_done = 0; + +void get_bus_conf(void) +{ + + unsigned apicid_base; + unsigned sbdn; + + 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] & 0xff); // first byte of first chain + sbdn = sysconf.sbdn; + + sbdn3 = (sysconf.hcdn[1] & 0xff); // first byte of second chain + + bus_ck804_0 = (sysconf.pci1234[0] >> 16) & 0xff; + + /* CK804 */ + dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x09, 0)); + if (dev) { + bus_ck804_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_ck804_4++; + } else { + printk(BIOS_DEBUG, + "ERROR - could not find PCI 1:%02x.0, using defaults\n", + sbdn + 0x09); + + bus_ck804_1 = 2; + bus_ck804_4 = 3; + } + + dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0d, 0)); + if (dev) { + bus_ck804_4 = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_ck804_5 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_ck804_5++; + } else { + printk(BIOS_DEBUG, + "ERROR - could not find PCI 1:%02x.0, using defaults\n", + sbdn + 0x0d); + + bus_ck804_5 = bus_ck804_4 + 1; + } + + dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0e, 0)); + if (dev) { + bus_ck804_5 = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk(BIOS_DEBUG, + "ERROR - could not find PCI 1:%02x.0, using defaults\n", + sbdn + 0x0e); + } + + bus_8131_0 = (sysconf.pci1234[1] >> 16) & 0xff; + /* 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); + bus_8131_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_8131_2++; + } else { + printk(BIOS_DEBUG, + "ERROR - could not find PCI %02x:01.0, using defaults\n", + bus_8131_0); + + bus_8131_1 = bus_8131_0 + 1; + bus_8131_2 = bus_8131_0 + 2; + } + /* 8131-2 */ + 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); + + bus_8131_2 = bus_8131_1 + 1; + } + + if (sysconf.pci1234[2] & 1) { + bus_coproc_0 = (sysconf.pci1234[2] >> 16) & 0xff; + coprocdn = (sysconf.hcdn[2] & 0xff); + } + +/*I/O APICs: APIC ID Version State Address*/ +#if CONFIG_LOGICAL_CPUS + apicid_base = get_apicid_base(3); +#else + apicid_base = CONFIG_MAX_PHYSICAL_CPUS; +#endif + apicid_ck804 = apicid_base + 0; + apicid_8131_1 = apicid_base + 1; + apicid_8131_2 = apicid_base + 2; +} |