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/dualcore.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 = 5 ;
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 apicid_8111 ;
22 unsigned apicid_8131_1;
23 unsigned apicid_8131_2;
26 { //Here you only need to set value in pci1234 for HT-IO that could be installed or not
27 //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
38 { //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
50 extern void get_sblk_pci1234(void);
52 static unsigned get_bus_conf_done = 0;
54 void get_bus_conf(void)
62 if(get_bus_conf_done==1) return; //do it only once
64 get_bus_conf_done = 1;
66 sysconf.hc_possible_num = sizeof(pci1234x)/sizeof(pci1234x[0]);
67 for(i=0;i<sysconf.hc_possible_num; i++) {
68 sysconf.pci1234[i] = pci1234x[i];
69 sysconf.hcdn[i] = hcdnx[i];
74 sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff;
75 sbdn3 = sysconf.hcdn[0] & 0xff;
77 bus_8131_0 = (sysconf.pci1234[0] >> 16) & 0xff;
78 bus_8111_0 = bus_8131_0;
81 dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
83 bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
84 #if HT_CHAIN_END_UNITID_BASE >= HT_CHAIN_UNITID_BASE
85 bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
87 // printk_debug("bus_isa=%d\n",bus_isa);
91 printk_debug("ERROR - could not find PCI %02x:03.0, using defaults\n", bus_8111_0);
95 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3,0));
97 bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
100 printk_debug("ERROR - could not find PCI %02x:01.0, using defaults\n", bus_8131_0);
104 dev = dev_find_slot(bus_8131_0, PCI_DEVFN(sbdn3+1,0));
106 bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
107 #if HT_CHAIN_END_UNITID_BASE < HT_CHAIN_UNITID_BASE
108 bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
110 // printk_debug("bus_isa=%d\n",bus_isa);
114 printk_debug("ERROR - could not find PCI %02x:02.0, using defaults\n", bus_8131_0);
118 /*I/O APICs: APIC ID Version State Address*/
119 #if CONFIG_LOGICAL_CPUS==1
120 apicid_base = get_apicid_base(3);
122 apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
124 apicid_8111 = apicid_base+0;
125 apicid_8131_1 = apicid_base+1;
126 apicid_8131_2 = apicid_base+2;