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
168
169
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2010 coresystems GmbH
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
*
* 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 <stdint.h>
#include <string.h>
#include <lib.h>
#include <timestamp.h>
#include <arch/io.h>
#include <device/pci_def.h>
#include <device/pnp_def.h>
#include <cpu/x86/lapic.h>
#include <pc80/mc146818rtc.h>
#include <arch/acpi.h>
#include <cbmem.h>
#include <console/console.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/bd82x6x/gpio.h>
#include <arch/cpu.h>
#include <cpu/x86/msr.h>
#include <halt.h>
#include "gpio.h"
void pch_enable_lpc(void)
{
/* Set COM3/COM1 decode ranges: 0x3e8/0x3f8 */
pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0070);
/* Enable KBC on 0x06/0x64 (KBC),
* EC on 0x62/0x66 (MC),
* EC on 0x20c-0x20f (GAMEH),
* Super I/O on 0x2e/0x2f (CNF1),
* COM1/COM3 decode ranges. */
pci_write_config16(PCH_LPC_DEV, LPC_EN,
KBC_LPC_EN | MC_LPC_EN |
CNF1_LPC_EN | GAMEH_LPC_EN |
COMA_LPC_EN | COMB_LPC_EN);
}
void rcba_config(void)
{
u32 reg32;
/* Disable unused devices (board specific) */
reg32 = RCBA32(FD);
reg32 |= PCH_DISABLE_ALWAYS;
/* Disable PCI bridge so MRC does not probe this bus */
reg32 |= PCH_DISABLE_P2P;
RCBA32(FD) = reg32;
}
static void pnp_enter_ext_func_mode(device_t dev)
{
u16 port = dev >> 8;
outb(0x87, port);
outb(0x87, port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
u16 port = dev >> 8;
outb(0xaa, port);
}
void mainboard_config_superio(void)
{
int lvds_3v = 0; // 0 (5V) or 1 (3V3)
int dis_bl_inv = 1; // backlight inversion: 1 = disabled, 0 = enabled
device_t dev = PNP_DEV(0x2e, 0x9);
pnp_enter_ext_func_mode(dev);
pnp_write_config(dev, 0x29, 0x02); /* Pins 119, 120 are GPIO21, 20 */
pnp_write_config(dev, 0x30, 0x03); /* Enable GPIO2+3 */
pnp_write_config(dev, 0x2a, 0x01); /* Pins 62, 63, 65, 66 are
GPIO27, 26, 25, 24 */
pnp_write_config(dev, 0x2c, 0xc3); /* Pin 90 is GPIO32,
Pins 78~85 are UART B */
pnp_write_config(dev, 0x2d, 0x00); /* Pins 67, 68, 70~73, 75, 77 are
GPIO57~50 */
pnp_set_logical_device(dev);
/* Values can only be changed, when devices are enabled. */
pnp_write_config(dev, 0xe3, 0xdd); /* GPIO2 bits 1, 5 are output */
pnp_write_config(dev, 0xe4, (dis_bl_inv << 5) | (lvds_3v << 1)); /* GPIO2 bits 1, 5 */
pnp_exit_ext_func_mode(dev);
}
void mainboard_fill_pei_data(struct pei_data *pei_data)
{
struct pei_data pei_data_template = {
.pei_version = PEI_VERSION,
.mchbar = (uintptr_t)DEFAULT_MCHBAR,
.dmibar = (uintptr_t)DEFAULT_DMIBAR,
.epbar = DEFAULT_EPBAR,
.pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
.smbusbar = SMBUS_IO_BASE,
.wdbbar = 0x4000000,
.wdbsize = 0x1000,
.hpet_address = CONFIG_HPET_ADDRESS,
.rcba = (uintptr_t)DEFAULT_RCBABASE,
.pmbase = DEFAULT_PMBASE,
.gpiobase = DEFAULT_GPIOBASE,
.thermalbase = 0xfed08000,
.system_type = 0, // 0 Mobile, 1 Desktop/Server
.tseg_size = CONFIG_SMM_TSEG_SIZE,
.spd_addresses = { 0xA0, 0x00,0xA4,0x00 },
.ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
.ec_present = 1,
.gbe_enable = 1,
.ddr3lv_support = 0,
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
// 2 = disable dimm 1 on channel
// 3 = disable dimm 0+1 on channel
.dimm_channel0_disabled = 2,
.dimm_channel1_disabled = 2,
.max_ddr3_freq = 1600,
.usb_port_config = {
/* enabled usb oc pin length */
{ 1, 0, 0x0040 }, /* P0: lower left USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P1: upper left USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P2: lower right USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P3: upper right USB 3.0 (OC0) */
{ 1, 0, 0x0040 }, /* P4: lower USB 2.0 (OC0) */
{ 1, 0, 0x0040 }, /* P5: upper USB 2.0 (OC0) */
{ 1, 0, 0x0040 }, /* P6: front panel USB 2.0 (OC0) */
{ 1, 0, 0x0040 }, /* P7: front panel USB 2.0 (OC0) */
{ 1, 4, 0x0040 }, /* P8: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P9: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P10: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P11: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P12: internal USB 2.0 (OC4) */
{ 1, 4, 0x0040 }, /* P13: internal USB 2.0 (OC4) */
},
.usb3 = {
.mode = 3, /* Smart Auto? */
.hs_port_switch_mask = 0xf, /* All four ports. */
.preboot_support = 1, /* preOS driver? */
.xhci_streams = 1, /* Enable. */
},
.pcie_init = 1,
};
*pei_data = pei_data_template;
}
void mainboard_early_init(int s3resume)
{
/* Enable PEG10 (1x16) */
pci_write_config32(PCI_DEV(0, 0, 0), DEVEN,
pci_read_config32(PCI_DEV(0, 0, 0), DEVEN) |
DEVEN_PEG10);
}
int mainboard_should_reset_usb(int s3resume)
{
return !s3resume;
}
|