diff options
Diffstat (limited to 'src/mainboard/tyan/s2892/get_bus_conf.c')
-rw-r--r-- | src/mainboard/tyan/s2892/get_bus_conf.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/mainboard/tyan/s2892/get_bus_conf.c b/src/mainboard/tyan/s2892/get_bus_conf.c new file mode 100644 index 0000000000..92fefa6a0c --- /dev/null +++ b/src/mainboard/tyan/s2892/get_bus_conf.c @@ -0,0 +1,196 @@ +#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/dualcore.h> +#endif + + +// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables +//busnum is default + unsigned char bus_isa; + 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 apicid_ck804; + unsigned apicid_8131_1; + unsigned apicid_8131_2; + +unsigned sblk; +unsigned pci1234[] = +{ //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 hc_possible_num; +unsigned sbdn; +unsigned hcdn[] = +{ //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; + +extern void get_sblk_pci1234(void); + +static unsigned get_bus_conf_done = 0; + +void get_bus_conf(void) +{ + + unsigned apicid_base; + + device_t dev; + + if(get_bus_conf_done==1) return; //do it only once + + get_bus_conf_done = 1; + + hc_possible_num = sizeof(pci1234)/sizeof(pci1234[0]); + + get_sblk_pci1234(); + + sbdn = (hcdn[0] & 0xff); // first byte of first chain + + sbdn3 = (hcdn[1] & 0xff); // first byte of second chain + +// bus_ck804_0 = node_link_to_bus(0, sblk); + bus_ck804_0 = (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); +#if 0 + bus_ck804_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_ck804_2++; +#else + bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_ck804_4++; +#endif + } + else { + printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x09); + + bus_ck804_1 = 2; +#if 0 + bus_ck804_2 = 3; +#else + bus_ck804_4 = 3; +#endif + + } +#if 0 + dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0b,0)); + if (dev) { + bus_ck804_2 = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_ck804_3 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_ck804_3++; + } + else { + printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0b); + + bus_ck804_3 = bus_ck804_2+1; + } + + dev = dev_find_slot(bus_ck804_0, PCI_DEVFN(sbdn + 0x0c,0)); + if (dev) { + bus_ck804_3 = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_ck804_4 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_ck804_4++; + } + else { + printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn + 0x0c); + + bus_ck804_4 = bus_ck804_3+1; + } + +#endif + + 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_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); + bus_8131_0 = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_8131_0++; + bus_isa = bus_8131_0; // incase only one installed + } + else { + printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sbdn+ 0x0e); + + bus_8131_0 = bus_ck804_5+1; + } + + /* 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_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); + bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_isa++; + } + else { + printk_debug("ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0); + + bus_8131_2 = bus_8131_1+1; + bus_isa = bus_8131_1+2; + } + + + +/*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_ck804 = apicid_base+0; + apicid_8131_1 = apicid_base+1; + apicid_8131_2 = apicid_base+2; +} |