summaryrefslogtreecommitdiff
path: root/src/mainboard/amd/dinar/BiosCallOuts.c
blob: e9715baa6bec5b6612a416ad8771b0f02e50fe87 (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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 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.
 *
 * 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 "agesawrapper.h"
#include "amdlib.h"
#include "BiosCallOuts.h"
#include "Ids.h"
#include "OptionsIds.h"
#include "heapManager.h"
#include "SB700.h"
#include <northbridge/amd/agesa/family15/dimmSpd.h>
#include "OEM.h"		/* SMBUS0_BASE_ADDRESS */

#ifndef SB_GPIO_REG01
#define SB_GPIO_REG01   1
#endif

#ifndef SB_GPIO_REG24
#define SB_GPIO_REG24   24
#endif

#ifndef SB_GPIO_REG27
#define SB_GPIO_REG27   27
#endif

#ifdef __PRE_RAM__
/* This define is used when selecting the appropriate socket for the SPD read
 * because this is a multi-socket design.
 */
#define LTC4305_SMBUS_ADDR    (0x94)

static void select_socket(UINT8 socket_id)
{
	AMD_CONFIG_PARAMS StdHeader;
	UINT32            PciData32;
	UINT8             PciData8;
	PCI_ADDR          PciAddress;

	/* Set SMBus MMIO. */
	PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0x90);
	PciData32 = (SMBUS0_BASE_ADDRESS & 0xFFFFFFF0) | BIT0;
	LibAmdPciWrite(AccessWidth32, PciAddress, &PciData32, &StdHeader);

	/* Enable SMBus MMIO. */
	PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0xD2);
	LibAmdPciRead(AccessWidth8, PciAddress, &PciData8, &StdHeader); ;
	PciData8 |= BIT0;
	LibAmdPciWrite(AccessWidth8, PciAddress, &PciData8, &StdHeader);

	switch (socket_id) {
	case 0:
		/* Switch onto the First CPU Socket SMBus */
		writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x80, 0x03);
		break;
	case 1:
		/* Switch onto the Second CPU Socket SMBus */
		writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x40, 0x03);
		break;
	default:
		/* Switch off two CPU Sockets SMBus */
		writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x00, 0x03);
		break;
	}
}

static void restore_socket(void)
{
	/* Switch off two CPU Sockets SMBus */
	writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x00, 0x03);
}
#endif

STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
{
	{AGESA_ALLOCATE_BUFFER,			BiosAllocateBuffer },
	{AGESA_DEALLOCATE_BUFFER,		BiosDeallocateBuffer },
	{AGESA_LOCATE_BUFFER,			BiosLocateBuffer},
	{AGESA_DO_RESET,			agesa_Reset },
	{AGESA_READ_SPD,			BiosReadSpd },
	{AGESA_READ_SPD_RECOVERY,		agesa_NoopUnsupported },
	{AGESA_RUNFUNC_ONAP,			agesa_RunFuncOnAp },
	{AGESA_GNB_PCIE_SLOT_RESET,		agesa_NoopSuccess },
	{AGESA_GET_IDS_INIT_DATA,		agesa_EmptyIdsInitData },
	{AGESA_HOOKBEFORE_DRAM_INIT,		agesa_NoopSuccess },
	{AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY,	agesa_NoopSuccess },
	{AGESA_HOOKBEFORE_DQS_TRAINING,		agesa_NoopSuccess },
	{AGESA_HOOKBEFORE_EXIT_SELF_REF,	agesa_NoopSuccess },
};

AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
	UINTN i;
	AGESA_STATUS CalloutStatus;
	UINTN CallOutCount = sizeof (BiosCallouts) / sizeof (BiosCallouts [0]);

	for (i = 0; i < CallOutCount; i++)
	{
		if (BiosCallouts[i].CalloutName == Func)
		{
			break;
		}
	}

	if(i >= CallOutCount)
	{
		return AGESA_UNSUPPORTED;
	}

	CalloutStatus = BiosCallouts[i].CalloutPtr (Func, Data, ConfigPtr);

	return CalloutStatus;
}


AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
	AGESA_STATUS Status;
#ifdef __PRE_RAM__
	if (ConfigPtr == NULL)
		return AGESA_ERROR;

	select_socket(((AGESA_READ_SPD_PARAMS *)ConfigPtr)->SocketId);

	Status = agesa_ReadSPD (Func, Data, ConfigPtr);

	restore_socket();
#else
	Status = AGESA_UNSUPPORTED;
#endif

	return Status;
}