| /* |
| * This file is part of the coreboot project. |
| * |
| * 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. |
| */ |
| |
| #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, |
| }; |
| |
| 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, |
| }; |
| |
| 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); |
| } 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 (IS_ENABLED(CONFIG_LOGICAL_CPUS)) |
| apicid_base = get_apicid_base(3); |
| else |
| apicid_base = CONFIG_MAX_PHYSICAL_CPUS; |
| 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; |
| } |
| } |