blob: a532866aa294c3f8f463406cb95267a1d2bca522 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2005 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* 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 <stdint.h>
#include <arch/io.h>
#include <device/pci_ids.h>
/* Enable 4MB ROM access at 0xFFC00000 - 0xFFFFFFFF. */
static void bcm5785_enable_rom(void)
{
u8 byte;
pci_devfn_t dev;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_BCM5785_SB_PCI_MAIN), 0);
/* Set the 4MB enable bits. */
byte = pci_read_config8(dev, 0x41);
byte |= 0x0e;
pci_write_config8(dev, 0x41, byte);
}
static void bootblock_southbridge_init(void)
{
bcm5785_enable_rom();
}
|
