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/*
* Copyright (c) 2011,2014 Oskar Enoksson <enok@lysator.liu.se>
* Subject to the GNU GPL v2, or (at your option) any later version.
*/
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <string.h>
#include <stdint.h>
#if CONFIG_LOGICAL_CPUS
#include <cpu/amd/multicore.h>
#endif
#include <cpu/amd/amdk8_sysconf.h>
#include <stdlib.h>
#include "mb_sysconf.h"
// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
struct mb_sysconf_t mb_sysconf;
static 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
};
static 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,
};
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.mb = &mb_sysconf;
struct mb_sysconf_t *m = sysconf.mb;
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;
m->sbdn3 = sysconf.hcdn[0] & 0xff;
m->bus_8131_0 = (sysconf.pci1234[0] >> 16) & 0xff;
m->bus_8111_0 = m->bus_8131_0;
/* 8111 */
dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn,0));
if (dev) {
m->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", m->bus_8111_0);
}
/* 8131-1 */
dev = dev_find_slot(m->bus_8131_0, PCI_DEVFN(m->sbdn3,0));
if (dev) {
m->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", m->bus_8131_0);
}
/* 8131-2 */
dev = dev_find_slot(m->bus_8131_0, PCI_DEVFN(m->sbdn3+1,0));
if (dev) {
m->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", m->bus_8131_0);
}
/*I/O APICs: APIC ID Version State Address*/
#if CONFIG_LOGICAL_CPUS
apicid_base = get_apicid_base(3);
#else
apicid_base = CONFIG_MAX_PHYSICAL_CPUS;
#endif
m->apicid_8111 = apicid_base+0;
m->apicid_8131_1 = apicid_base+1;
m->apicid_8131_2 = apicid_base+2;
}
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