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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_8131_0 = 1;
unsigned char bus_8131_1 = 2;
unsigned char bus_8131_2 = 3;
unsigned char bus_8111_0 = 1;
unsigned char bus_8111_1 = 4;
unsigned apicid_8111;
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
0x0000ff0,
// 0x0000ff0,
// 0x0000ff0,
// 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;
static unsigned get_bus_conf_done = 0;
void get_bus_conf(void)
{
unsigned apicid_base;
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] >> 8) & 0xff;
sbdn3 = sysconf.hcdn[0] & 0xff;
bus_8131_0 = (sysconf.pci1234[0] >> 16) & 0xff;
bus_8111_0 = bus_8131_0;
/* 8111 */
dev = dev_find_slot(bus_8111_0, PCI_DEVFN(sysconf.sbdn, 0));
if (dev) {
bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
} else {
printk(BIOS_DEBUG,
"ERROR - could not find PCI %02x:03.0, using defaults\n",
bus_8111_0);
}
/* 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);
} else {
printk(BIOS_DEBUG,
"ERROR - could not find PCI %02x:01.0, using defaults\n",
bus_8131_0);
}
/* 8132-2 */
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);
}
/*I/O APICs: APIC ID Version State Address*/
if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
apicid_base = get_apicid_base(3);
else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
apicid_8111 = apicid_base + 0;
apicid_8131_1 = apicid_base + 1;
apicid_8131_2 = apicid_base + 2;
}
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