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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2010 coresystems GmbH
* Copyright (C) 2011 Google 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 <stdint.h>
#include <string.h>
#include <device/pci_ops.h>
#include <cpu/x86/lapic.h>
#include <arch/acpi.h>
#include <console/console.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <northbridge/intel/sandybridge/raminit_native.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
#include "ec/google/chromeec/ec.h"
#include <cbfs.h>
#include <southbridge/intel/bd82x6x/chip.h>
void mainboard_pch_lpc_setup(void)
{
/* Enable additional 0x200..0x207 for EC */
pci_or_config16(PCH_LPC_DEV, LPC_EN, GAMEL_LPC_EN);
}
void mainboard_late_rcba_config(void)
{
/*
* GFX INTA -> PIRQA (MSI)
* D28IP_P3IP WLAN INTA -> PIRQB
* D29IP_E1P EHCI1 INTA -> PIRQD
* D26IP_E2P EHCI2 INTA -> PIRQF
* D31IP_SIP SATA INTA -> PIRQF (MSI)
* D31IP_SMIP SMBUS INTB -> PIRQH
* D31IP_TTIP THRT INTC -> PIRQA
* D27IP_ZIP HDA INTA -> PIRQA (MSI)
*
* TRACKPAD -> PIRQE (Edge Triggered)
* TOUCHSCREEN -> PIRQG (Edge Triggered)
*/
/* Device interrupt pin register (board specific) */
RCBA32(D31IP) = (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
(INTB << D31IP_SMIP) | (INTA << D31IP_SIP);
RCBA32(D30IP) = (NOINT << D30IP_PIP);
RCBA32(D29IP) = (INTA << D29IP_E1P);
RCBA32(D28IP) = (INTA << D28IP_P3IP);
RCBA32(D27IP) = (INTA << D27IP_ZIP);
RCBA32(D26IP) = (INTA << D26IP_E2P);
RCBA32(D25IP) = (NOINT << D25IP_LIP);
RCBA32(D22IP) = (NOINT << D22IP_MEI1IP);
/* Device interrupt route registers */
DIR_ROUTE(D31IR, PIRQB, PIRQH, PIRQA, PIRQC);
DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG);
DIR_ROUTE(D28IR, PIRQB, PIRQC, PIRQD, PIRQE);
DIR_ROUTE(D27IR, PIRQA, PIRQH, PIRQA, PIRQB);
DIR_ROUTE(D26IR, PIRQF, PIRQE, PIRQG, PIRQH);
DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD);
}
static uint8_t *locate_spd(void)
{
const int gpio_vector[] = {41, 42, 43, 10, -1};
uint8_t *spd_file;
size_t spd_file_len;
int spd_index = get_gpios(gpio_vector);
printk(BIOS_DEBUG, "spd index %d\n", spd_index);
spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < ((spd_index + 1) * 256)) {
printk(BIOS_ERR, "spd index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < 256)
die("Missing SPD data.");
return spd_file + spd_index * 256;
}
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,
.ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
.ec_present = 1,
.ddr3lv_support = 1,
// 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 = {
/* Empty and onboard Ports 0-7, set to un-used pin OC3 */
{ 0, 3, 0x0000 }, /* P0: Empty */
{ 1, 0, 0x0040 }, /* P1: Left USB 1 (OC0) */
{ 1, 1, 0x0040 }, /* P2: Left USB 2 (OC1) */
{ 1, 3, 0x0040 }, /* P3: SDCARD (no OC) */
{ 0, 3, 0x0000 }, /* P4: Empty */
{ 1, 3, 0x0040 }, /* P5: WWAN (no OC) */
{ 0, 3, 0x0000 }, /* P6: Empty */
{ 0, 3, 0x0000 }, /* P7: Empty */
/* Empty and onboard Ports 8-13, set to un-used pin OC4 */
{ 1, 4, 0x0040 }, /* P8: Camera (no OC) */
{ 1, 4, 0x0040 }, /* P9: Bluetooth (no OC) */
{ 0, 4, 0x0000 }, /* P10: Empty */
{ 0, 4, 0x0000 }, /* P11: Empty */
{ 0, 4, 0x0000 }, /* P12: Empty */
{ 0, 4, 0x0000 }, /* P13: Empty */
},
};
*pei_data = pei_data_template;
/* LINK has 2 channels of memory down, so spd_data[0] and [2]
both need to be populated */
memcpy(pei_data->spd_data[0], locate_spd(),
sizeof(pei_data->spd_data[0]));
memcpy(pei_data->spd_data[2], pei_data->spd_data[0],
sizeof(pei_data->spd_data[0]));
}
const struct southbridge_usb_port mainboard_usb_ports[] = {
/* enabled power usb oc pin */
{ 0, 0, -1 }, /* P0: Empty */
{ 1, 0, 0 }, /* P1: Left USB 1 (OC0) */
{ 1, 0, 1 }, /* P2: Left USB 2 (OC1) */
{ 1, 0, -1 }, /* P3: SDCARD (no OC) */
{ 0, 0, -1 }, /* P4: Empty */
{ 1, 0, -1 }, /* P5: WWAN (no OC) */
{ 0, 0, -1 }, /* P6: Empty */
{ 0, 0, -1 }, /* P7: Empty */
{ 1, 0, -1 }, /* P8: Camera (no OC) */
{ 1, 0, -1 }, /* P9: Bluetooth (no OC) */
{ 0, 0, -1 }, /* P10: Empty */
{ 0, 0, -1 }, /* P11: Empty */
{ 0, 0, -1 }, /* P12: Empty */
{ 0, 0, -1 }, /* P13: Empty */
};
void mainboard_get_spd(spd_raw_data *spd, bool id_only)
{
/* LINK has 2 channels of memory down, so spd_data[0] and [2]
both need to be populated */
memcpy(&spd[0], locate_spd(), 128);
memcpy(&spd[2], &spd[0], 128);
}
void mainboard_early_init(int s3resume)
{
if (!s3resume) {
/* This is the fastest way to let users know
* the Intel CPU is now alive.
*/
google_chromeec_kbbacklight(100);
}
}
int mainboard_should_reset_usb(int s3resume)
{
return !s3resume;
}
|
