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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 AMD
* Written by Yinghai Lu <yinghailu@gmail.com> for AMD.
*
* Copyright (C) 2006 MSI
* Written by bxshi <bingxunshi@gmail.com> for MSI.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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>
#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;
struct mb_sysconf_t *m;
if (get_bus_conf_done == 1)
return; //do it only once
get_bus_conf_done = 1;
sysconf.mb = &mb_sysconf;
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->sbdn2 = sysconf.hcdn[0] & 0xff; // bcm5780
m->bus_bcm5785_0 = (sysconf.pci1234[0] >> 16) & 0xff;
m->bus_bcm5780[0] = m->bus_bcm5785_0;
/* bcm5785 */
dev = dev_find_slot(m->bus_bcm5785_0, PCI_DEVFN(sysconf.sbdn, 0));
if (dev) {
m->bus_bcm5785_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
dev = dev_find_slot(m->bus_bcm5785_1, PCI_DEVFN(0xd, 0));
if (dev) {
m->bus_bcm5785_1_1 =
pci_read_config8(dev, PCI_SECONDARY_BUS);
}
} else {
printk(BIOS_DEBUG,
"ERROR - could not find PCI %02x:%02x.0, using defaults\n",
m->bus_bcm5785_0, sysconf.sbdn);
}
/* bcm5780 */
for (i = 1; i < 7; i++) {
dev =
dev_find_slot(m->bus_bcm5780[0],
PCI_DEVFN(m->sbdn2 + i - 1, 0));
if (dev) {
m->bus_bcm5780[i] =
pci_read_config8(dev, PCI_SECONDARY_BUS);
} else {
printk(BIOS_DEBUG,
"ERROR - could not find PCI %02x:%02x.0, using defaults\n",
m->bus_bcm5780[0], m->sbdn2 + i - 1);
}
}
/*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;
for (i = 0; i < 3; i++)
m->apicid_bcm5785[i] = apicid_base + i;
}
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