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
|
/*
* This file is part of the coreboot project.
*
* Copyright 2018 Google LLC
*
* 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 <baseboard/gpio.h>
#include <baseboard/variants.h>
#include <boardid.h>
#include <gpio.h>
#include <soc/gpio.h>
static const struct pad_config default_override_table[] = {
PAD_NC(GPIO_50, UP_20K),
PAD_NC(GPIO_51, UP_20K),
PAD_NC(GPIO_52, UP_20K),
PAD_NC(GPIO_53, UP_20K),
PAD_NC(GPIO_67, UP_20K),
PAD_NC(GPIO_117, UP_20K),
/* CAM_SOC_EC_SYNC */
PAD_CFG_GPI_APIC_IOS(GPIO_134, NONE, DEEP, EDGE_SINGLE, INVERT, TxDRxE,
DISPUPD),
PAD_NC(GPIO_138, DN_20K),
PAD_NC(GPIO_139, DN_20K),
PAD_NC(GPIO_140, UP_20K),
PAD_NC(GPIO_143, UP_20K),
PAD_NC(GPIO_144, UP_20K),
PAD_NC(GPIO_145, UP_20K),
/* EN_PP3300_TOUCHSCREEN */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_161, UP_20K),
/* EN_PP3300_WLAN_L */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_178, 0, DEEP, NONE, Tx0RxDCRx0, DISPUPD),
PAD_NC(GPIO_213, DN_20K),
PAD_NC(GPIO_214, DN_20K),
};
static const struct pad_config bid0_override_table[] = {
PAD_NC(GPIO_50, UP_20K),
PAD_NC(GPIO_51, UP_20K),
PAD_NC(GPIO_52, UP_20K),
PAD_NC(GPIO_53, UP_20K),
PAD_NC(GPIO_67, UP_20K),
PAD_NC(GPIO_117, UP_20K),
PAD_NC(GPIO_138, DN_20K),
PAD_NC(GPIO_139, DN_20K),
PAD_NC(GPIO_140, UP_20K),
PAD_NC(GPIO_143, UP_20K),
PAD_NC(GPIO_144, UP_20K),
PAD_NC(GPIO_145, UP_20K),
PAD_NC(GPIO_161, UP_20K),
PAD_NC(GPIO_214, DN_20K),
};
const struct pad_config *variant_override_gpio_table(size_t *num)
{
const struct pad_config *c;
switch (board_id()) {
case 0:
case UNDEFINED_STRAPPING_ID:
c = bid0_override_table;
*num = ARRAY_SIZE(bid0_override_table);
break;
default:
c = default_override_table;
*num = ARRAY_SIZE(default_override_table);
}
return c;
}
/* GPIOs needed prior to ramstage. */
static const struct pad_config early_gpio_table[] = {
/* PCH_WP_OD */
PAD_CFG_GPI(GPIO_190, NONE, DEEP),
/* H1_PCH_INT_ODL */
PAD_CFG_GPI_APIC_IOS(GPIO_63, NONE, DEEP, LEVEL, INVERT, TxDRxE,
DISPUPD),
/* H1_SLAVE_SPI_CLK_R */
PAD_CFG_NF(GPIO_79, NONE, DEEP, NF1),
/* H1_SLAVE_SPI_CS_L_R */
PAD_CFG_NF(GPIO_80, NONE, DEEP, NF1),
/* H1_SLAVE_SPI_MISO */
PAD_CFG_NF(GPIO_82, NONE, DEEP, NF1),
/* H1_SLAVE_SPI_MOSI_R */
PAD_CFG_NF(GPIO_83, NONE, DEEP, NF1),
/* WLAN_PE_RST */
PAD_CFG_GPO(GPIO_164, 0, DEEP),
/*
* ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak
* pull-up for proper operation. Since there is no external pull present
* on this platform, configure an internal weak pull-up.
*/
PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1,
ENPU),
};
const struct pad_config *variant_early_gpio_table(size_t *num)
{
/*
* This is a hack to configure EN_PP3300_WLAN based on board id. Once
* board id 0 is deprecated, we can get rid of this.
*/
uint32_t bid = board_id();
if (bid == UNDEFINED_STRAPPING_ID || bid < 1)
gpio_output(GPIO_178, 1);
else
gpio_output(GPIO_178, 0);
*num = ARRAY_SIZE(early_gpio_table);
return early_gpio_table;
}
|
