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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* 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; version 2 of the License.
*
* 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_sblk_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,
};
extern void get_pci1234(void);
static u32 get_bus_conf_done = 0;
static u32 get_hcid(u32 i)
{
u32 id = 0;
u32 busn = (sysconf.pci1234[i] >> 12) & 0xff;
u32 devn = sysconf.hcdn[i] & 0xff;
device_t dev;
dev = dev_find_slot(busn, PCI_DEVFN(devn,0));
switch (dev->device) {
case 0x7458: //8132
id = 1;
break;
case 0x7454: //8151
id = 2;
break;
case 0x7450: //8131
id = 3;
break;
}
// we may need more way to find out hcid: subsystem id? GPIO read ?
// we need use id for 1. bus num, 2. mptable, 3. acpi table
return id;
}
void get_bus_conf(void)
{
u32 apicid_base;
device_t dev;
int i, j;
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_pci1234();
sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff;
m->sbdn3 = sysconf.hcdn[0] & 0xff;
m->bus_8132_0 = (sysconf.pci1234[0] >> 12) & 0xff;
m->bus_8111_0 = m->bus_8132_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:%02x.0, using defaults\n", m->bus_8111_0, sysconf.sbdn);
}
/* 8132-1 */
dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3,0));
if (dev) {
m->bus_8132_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_8132_0, m->sbdn3);
}
/* 8132-2 */
dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3+1,0));
if (dev) {
m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
} else {
printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132_0, m->sbdn3+1);
}
/* HT chain 1 */
j=0;
for(i=1; i< sysconf.hc_possible_num; i++) {
if(!(sysconf.pci1234[i] & 0x1) ) continue;
// check hcid type here
sysconf.hcid[i] = get_hcid(i);
switch(sysconf.hcid[i]) {
case 1: //8132
case 3: //8131
m->bus_8132a[j][0] = (sysconf.pci1234[i] >> 12) & 0xff;
m->sbdn3a[j] = sysconf.hcdn[i] & 0xff;
/* 8132-1 */
dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j],0));
if (dev) {
m->bus_8132a[j][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_8132a[j][0], m->sbdn3a[j]);
}
/* 8132-2 */
dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1,0));
if (dev) {
m->bus_8132a[j][2] = pci_read_config8(dev, PCI_SECONDARY_BUS);
} else {
printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132a[j][0], m->sbdn3a[j]+1);
}
break;
case 2: //8151
m->bus_8151[j][0] = (sysconf.pci1234[i] >> 12) & 0xff;
m->sbdn5[j] = sysconf.hcdn[i] & 0xff;
/* 8151 */
dev = dev_find_slot(m->bus_8151[j][0], PCI_DEVFN(m->sbdn5[j]+1, 0));
if (dev) {
m->bus_8151[j][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_8151[j][0], m->sbdn5[j]+1);
}
break;
}
j++;
}
/*I/O APICs: APIC ID Version State Address*/
apicid_base = 0;
m->apicid_8111 = apicid_base + 0;
m->apicid_8132_1 = apicid_base + 1;
m->apicid_8132_2 = apicid_base + 2;
for(i=0;i<j;i++) {
m->apicid_8132a[i][0] = apicid_base + 3 + i * 2;
m->apicid_8132a[i][1] = apicid_base + 3 + i * 2 + 1;
}
}
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