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#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <stdint.h>
#include <cpu/amd/multicore.h>
#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 apicid_ck804;
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,
};
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,
};
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;
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);
}
/*I/O APICs: APIC ID Version State Address*/
apicid_base = get_apicid_base(1);
apicid_ck804 = apicid_base + 0;
}
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