summaryrefslogtreecommitdiff
path: root/src/mainboard/supermicro/h8qgi/mainboard.c
blob: af7fc43ccd4fb89962b1110ae82a920e001ab1d4 (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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2011 - 2012 Advanced Micro Devices, Inc.
 *
 * 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/device.h>
#include <device/pci.h>
#include <arch/io.h>
#include <device/pci_def.h>
#include <NbPlatform.h>

void set_pcie_dereset(void *nbconfig);
void set_pcie_reset(void *nbconfig);

/**
 *
 */
void set_pcie_reset(void *nbconfig)
{
}

/**
 * Mainboard specific RD890 CIMx callback
 * Release Resets to PCIe Links
 * For Both SR56X0 chips, PCIE_RESET_GPIO1 to reset pcie
 */
void set_pcie_dereset(void *nbconfig)
{
	//u32 nb_dev = MAKE_SBDFO(0, 0x0, 0x0, 0x0, 0x0);
	u32 i;
	u32 val;
	u32 nb_addr;

	val = 0x00000007UL;
	AMD_NB_CONFIG_BLOCK *pConfig = (AMD_NB_CONFIG_BLOCK*)nbconfig;
	for (i = 0; i < MAX_NB_COUNT; i ++) {
		nb_addr = pConfig->Northbridges[i].NbPciAddress.AddressValue | NB_HTIU_INDEX;
		LibNbPciIndexRMW(nb_addr,
				NB_HTIU_REGA8,
				AccessS3SaveWidth32,
				~val,
				val,
				 &(pConfig->Northbridges[i]));
	}
}


/*************************************************
 * enable the dedicated function in h8qgi board.
 *************************************************/
static void mainboard_enable(device_t dev)
{
	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");
}

struct chip_operations mainboard_ops = {
		.enable_dev = mainboard_enable,
};