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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 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
*/
// Use simple device model for this file even in ramstage
#define __SIMPLE_DEVICE__
#include <stdint.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include "SbPlatform.h"
#include "sb_cimx.h"
#include <console/console.h>
#include <console/loglevel.h>
#include "smbus.h"
/**
* @brief Get SouthBridge device number
* @param[in] bus target bus number
* @return southbridge device number
*/
u32 get_sbdn(u32 bus)
{
pci_devfn_t dev;
printk(BIOS_SPEW, "SB900 - Early.c - get_sbdn - Start.\n");
dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_AMD,
PCI_DEVICE_ID_ATI_SB900_SM), bus);
printk(BIOS_SPEW, "SB900 - Early.c - get_sbdn - End.\n");
return (dev >> 15) & 0x1f;
}
/**
* @brief South Bridge CIMx romstage entry,
* wrapper of sbPowerOnInit entry point.
*/
void sb_poweron_init(void)
{
AMDSBCFG sb_early_cfg;
u8 data;
printk(BIOS_SPEW, "SB900 - Early.c - sb_poweron_init - Start.\n");
//Enable/Disable PCI Bridge Device 14 Function 4.
outb(0xEA, 0xCD6);
data = inb(0xCD7);
data &= !BIT0;
if(!CONFIG_PCIB_ENABLE) {
data |= BIT0;
}
outb(data, 0xCD7);
SbPowerOnInit_Config(&sb_early_cfg);
//sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
//AmdSbDispatcher(&sb_early_cfg);
//TODO
//AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
// VerifyImage() will fail, LocateImage() takes minutes to find the image.
sbPowerOnInit(&sb_early_cfg);
printk(BIOS_SPEW, "SB900 - Early.c - sb_poweron_init - End.\n");
}
/**
* @brief South Bridge CIMx romstage entry,
* wrapper of sbPowerOnInit entry point.
*/
void sb_before_pci_init(void)
{
AMDSBCFG sb_early_cfg;
printk(BIOS_SPEW, "SB900 - Early.c - sb_before_pci_init - Start.\n");
sb900_cimx_config(&sb_early_cfg);
//sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
//AmdSbDispatcher(&sb_early_cfg);
//TODO
//AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
// VerifyImage() will fail, LocateImage() takes minutes to find the image.
sbBeforePciInit(&sb_early_cfg);
printk(BIOS_SPEW, "SB900 - Early.c - sb_before_pci_init - End.\n");
}
void sb_After_Pci_Init(void)
{
#if !CONFIG_BOARD_AMD_DINAR
AMDSBCFG sb_early_cfg;
printk(BIOS_SPEW, "SB900 - Early.c - sb_After_Pci_Init - Start.\n");
sb900_cimx_config(&sb_early_cfg);
//sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
//AmdSbDispatcher(&sb_early_cfg);
//TODO
//AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
// VerifyImage() will fail, LocateImage() takes minutes to find the image.
sbAfterPciInit(&sb_early_cfg);
printk(BIOS_SPEW, "SB900 - Early.c - sb_After_Pci_Init - End.\n");
#endif
}
void sb_Mid_Post_Init(void)
{
AMDSBCFG sb_early_cfg;
printk(BIOS_SPEW, "SB900 - Early.c - sb_Mid_Post_Init - Start.\n");
sb900_cimx_config(&sb_early_cfg);
//sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
//AmdSbDispatcher(&sb_early_cfg);
//TODO
//AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
// VerifyImage() will fail, LocateImage() takes minutes to find the image.
sbMidPostInit(&sb_early_cfg);
printk(BIOS_SPEW, "SB900 - Early.c - sb_Mid_Post_Init - End.\n");
}
void sb_Late_Post(void)
{
#if !CONFIG_BOARD_AMD_DINAR
AMDSBCFG sb_early_cfg;
u8 data;
printk(BIOS_SPEW, "SB900 - Early.c - sb_Late_Post - Start.\n");
sb900_cimx_config(&sb_early_cfg);
//sb_early_cfg.StdHeader.Func = SB_POWERON_INIT;
//AmdSbDispatcher(&sb_early_cfg);
//TODO
//AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher,
// VerifyImage() will fail, LocateImage() takes minutes to find the image.
sbLatePost(&sb_early_cfg);
//Set ACPI SCI IRQ to 0x9.
data = CONFIG_ACPI_SCI_IRQ;
outb(0x10, 0xC00);
outb(data, 0xC01);
outb(0x90, 0xC00);
outb(data, 0xC01);
if (data > 0x7) {
data = inb(0x4D1);
data |= (1 << (CONFIG_ACPI_SCI_IRQ - 8));
outb(data, 0x4D1);
} else {
data = inb(0x4D0);
data |= (1 << (CONFIG_ACPI_SCI_IRQ));
outb(data, 0x4D0);
}
printk(BIOS_SPEW, "SB900 - Early.c - sb_Late_Post - End.\n");
#endif
}
|
