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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghailu@amd.com> for AMD.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc.
*/
#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/amdfam10_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;
/* 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/amdfam10/get_pci1234.c for detail */
static u32 pci1234x[] = {
0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc,
0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc,
0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc,
0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc,
0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc,
0x0000ffc, 0x0000ffc,
};
/* 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 */
static unsigned hcdnx[] = {
0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020,
0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020,
0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020,
0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020,
0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020,
0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020,
0x20202020, 0x20202020,
};
unsigned sbdn3;
extern void get_pci1234(void);
static unsigned get_bus_conf_done = 0;
void get_bus_conf(void)
{
unsigned apicid_base;
struct mb_sysconf_t *m;
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;
m = sysconf.mb;
memset(m, 0, sizeof(struct mb_sysconf_t));
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_pci1234();
sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain
m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff;
m->bus_8132_0 = (sysconf.pci1234[1] >> 12) & 0xff;
sbdn3 = (sysconf.hcdn[1] & 0xff); // first byte of second chain
/* MCP55 */
dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0));
if (dev) {
m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06);
}
for(i=2; i<8;i++) {
dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0));
if (dev) {
m->bus_mcp55[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_mcp55[0], sysconf.sbdn + 0x0a + i - 2 );
}
}
/* 8132_1 */
dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(sbdn3, 0));
m->bus_8132_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
m->bus_8132_2 = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
m->bus_8132_2++;
/* 8132_2 */
dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(sbdn3 + 1, 0));
m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
/*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;
m->apicid_mcp55 = apicid_base+0;
m->apicid_8132_1 = apicid_base+1;
m->apicid_8132_2 = apicid_base+2;
}
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