| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007 AMD |
| * (Written by Yinghai Lu <yinghailu@amd.com> for AMD) |
| * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de> |
| * (Thanks to LSRA University of Mannheim for their support) |
| * Copyright (C) 2008 Jonathan A. Kollasch <jakllsch@kollasch.net> |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #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> |
| |
| /* Global variables for MB layouts and these will be shared by irqtable, |
| * mptable and acpi_tables. |
| */ |
| /* busnum is default */ |
| unsigned char bus_ck804[6]; |
| unsigned apicid_ck804; |
| |
| 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, //no HTIO for ms7135 |
| }; |
| 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, //ms7135 has only one ht-chain |
| }; |
| |
| static unsigned get_bus_conf_done = 0; |
| |
| void get_bus_conf(void) |
| { |
| unsigned apicid_base; |
| |
| device_t dev; |
| unsigned sbdn; |
| int i; |
| |
| if (get_bus_conf_done == 1) |
| return; //do it only once |
| |
| get_bus_conf_done = 1; |
| |
| sysconf.hc_possible_num = ARRAY_SIZE(pci1234x); |
| 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] & 0xff); // first byte of first chain |
| sbdn = sysconf.sbdn; |
| |
| for (i = 0; i < 6; i++) { |
| bus_ck804[i] = 0; |
| } |
| |
| bus_ck804[0] = (sysconf.pci1234[0] >> 16) & 0xff; |
| |
| /* CK804 */ |
| int dn = -1; |
| for (i = 1; i < 4; i++) { |
| switch (i) { |
| case 1: dn = 9; break; |
| case 2: dn = 13; break; |
| case 3: dn = 14; break; |
| default: dn = -1; break; |
| } |
| dev = dev_find_slot(bus_ck804[0], PCI_DEVFN(sbdn + dn, 0)); |
| if (dev) { |
| bus_ck804[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); |
| } |
| } |
| |
| /*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 |
| apicid_ck804 = apicid_base + 0; |
| } |