2 * This file is part of the coreboot project.
4 * Copyright (C) 2008 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <console/console.h>
17 #include <device/pci.h>
18 #include <device/pci_ids.h>
22 #include <cpu/amd/multicore.h>
24 #include <cpu/amd/amdk8_sysconf.h>
26 /* Global variables for MB layouts and these will be shared by irqtable mptable
27 * and acpi_tables busnum is default.
34 * Here you only need to set value in pci1234 for HT-IO that could be installed or not
35 * You may need to preset pci1234 for HTIO board,
36 * please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
43 * HT Chain device num, actually it is unit id base of every ht device in chain,
44 * assume every chain only have 4 ht device at most
55 static u32 get_bus_conf_done
= 0;
57 void get_bus_conf(void)
63 if (get_bus_conf_done
== 1)
64 return; /* do it only once */
65 get_bus_conf_done
= 1;
67 sysconf
.hc_possible_num
= ARRAY_SIZE(pci1234x
);
68 for (i
= 0; i
< sysconf
.hc_possible_num
; i
++) {
69 sysconf
.pci1234
[i
] = pci1234x
[i
];
70 sysconf
.hcdn
[i
] = hcdnx
[i
];
75 sysconf
.sbdn
= (sysconf
.hcdn
[0] & 0xff);
76 sbdn_rs690
= sysconf
.sbdn
;
79 for (i
= 0; i
< 2; i
++) {
82 for (i
= 0; i
< 8; i
++) {
86 bus_rs690
[0] = (sysconf
.pci1234
[0] >> 16) & 0xff;
87 bus_sb600
[0] = bus_rs690
[0];
90 dev
= dev_find_slot(bus_sb600
[0], PCI_DEVFN(sbdn_sb600
+ 0x14, 4));
92 bus_sb600
[1] = pci_read_config8(dev
, PCI_SECONDARY_BUS
);
96 for (i
= 1; i
< 8; i
++) {
97 dev
= dev_find_slot(bus_rs690
[0], PCI_DEVFN(sbdn_rs690
+ i
, 0));
99 bus_rs690
[i
] = pci_read_config8(dev
, PCI_SECONDARY_BUS
);
103 /* I/O APICs: APIC ID Version State Address */
104 if (IS_ENABLED(CONFIG_LOGICAL_CPUS
))
105 apicid_base
= get_apicid_base(1);
107 apicid_base
= CONFIG_MAX_PHYSICAL_CPUS
;
108 apicid_sb600
= apicid_base
+ 0;