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#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;
static unsigned get_hcid(unsigned i)
{
unsigned id = 0;
unsigned busn = (sysconf.pci1234[i] >> 16) & 0xff;
unsigned 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)
{
unsigned 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_sblk_pci1234();
sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff;
m->sbdn3 = sysconf.hcdn[0] & 0xff;
m->bus_8132_0 = (sysconf.pci1234[0] >> 16) & 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] >> 16) & 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] >> 16) & 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);
// printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151[j][1]);
} 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*/
#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_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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