1 #include <console/console.h>
2 #include <device/pci.h>
3 #include <device/pci_ids.h>
6 #if CONFIG_LOGICAL_CPUS==1
7 #include <cpu/amd/multicore.h>
10 #include <cpu/amd/amdk8_sysconf.h>
13 // Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
15 unsigned char bus_isa = 7 ;
16 unsigned char bus_8131_0 = 1;
17 unsigned char bus_8131_1 = 2;
18 unsigned char bus_8131_2 = 3;
19 unsigned char bus_8111_0 = 1;
20 unsigned char bus_8111_1 = 4;
21 unsigned char bus_8151_0 = 5;
22 unsigned char bus_8151_1 = 6;
23 unsigned apicid_8111 ;
24 unsigned apicid_8131_1;
25 unsigned apicid_8131_2;
28 { //Here you only need to set value in pci1234 for HT-IO that could be installed or not
29 //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
40 { //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
55 static unsigned get_bus_conf_done = 0;
57 void get_bus_conf(void)
65 if(get_bus_conf_done==1) return; //do it only once
67 get_bus_conf_done = 1;
69 sysconf.hc_possible_num = ARRAY_SIZE(pci1234x);
70 for(i=0;i<sysconf.hc_possible_num; i++) {
71 sysconf.pci1234[i] = pci1234x[i];
72 sysconf.hcdn[i] = hcdnx[i];
77 sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff;
78 sbdn3 = sysconf.hcdn[0] & 0xff;
79 sbdn5 = sysconf.hcdn[1] & 0xff;
81 bus_8131_0 = (sysconf.pci1234[0] >> 16) & 0xff;
82 bus_8111_0 = bus_8131_0;
85 dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
87 bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
88 #if CONFIG_HT_CHAIN_END_UNITID_BASE >= CONFIG_HT_CHAIN_UNITID_BASE
89 bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
91 // printk(BIOS_DEBUG, "bus_isa=%d\n",bus_isa);
95 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:03.0, using defaults\n", bus_8111_0);
99 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
101 bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
104 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);
108 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
110 bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
111 #if CONFIG_HT_CHAIN_END_UNITID_BASE < CONFIG_HT_CHAIN_UNITID_BASE
112 bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
114 // printk(BIOS_DEBUG, "bus_isa=%d\n",bus_isa);
119 printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
123 // it is on node0, so it must be there
124 bus_8151_0 = (sysconf.pci1234[1] >> 16) & 0xff;
126 dev = dev_find_slot(bus_8151_0, PCI_DEVFN(sbdn5+1, 0));
129 bus_8151_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
130 // printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151_1);
131 bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
135 /*I/O APICs: APIC ID Version State Address*/
136 #if CONFIG_LOGICAL_CPUS==1
137 apicid_base = get_apicid_base(3);
139 apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
141 apicid_8111 = apicid_base+0;
142 apicid_8131_1 = apicid_base+1;
143 apicid_8131_2 = apicid_base+2;