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
196
197
198
199
200
201
202
203
204
|
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Pit board-specific configuration */
#include "battery.h"
#include "chipset.h"
#include "common.h"
#include "extpower.h"
#include "gpio.h"
#include "i2c.h"
#include "keyboard_scan.h"
#include "keyboard_raw.h"
#include "lid_switch.h"
#include "pmu_tpschrome.h"
#include "power.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "registers.h"
#include "spi.h"
#include "timer.h"
#include "task.h"
#include "util.h"
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH)
#define GPIO_KB_OUTPUT GPIO_ODR_HIGH
/* GPIO signal list. Must match order from enum gpio_signal. */
const struct gpio_info gpio_list[] = {
/* Inputs with interrupt handlers are first for efficiency */
{"KB_PWR_ON_L", GPIO_B, (1<<5), GPIO_INT_BOTH,
power_signal_interrupt},
{"PP1800_LDO2", GPIO_A, (1<<1), GPIO_INT_BOTH,
power_signal_interrupt},
{"XPSHOLD", GPIO_A, (1<<3), GPIO_INT_RISING,
power_signal_interrupt},
{"CHARGER_INT_L", GPIO_C, (1<<6), GPIO_INT_FALLING, pmu_irq_handler},
{"LID_OPEN", GPIO_C, (1<<13), GPIO_INT_BOTH, lid_interrupt},
{"SUSPEND_L", GPIO_C, (1<<7), GPIO_INT_BOTH,
power_signal_interrupt},
{"SPI1_NSS", GPIO_A, (1<<4), GPIO_INT_BOTH | GPIO_PULL_UP,
spi_event},
{"AC_PRESENT", GPIO_A, (1<<0), GPIO_INT_BOTH, extpower_interrupt},
{"KB_IN00", GPIO_C, (1<<8), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN01", GPIO_C, (1<<9), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN02", GPIO_C, (1<<10), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN03", GPIO_C, (1<<11), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN04", GPIO_C, (1<<12), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN05", GPIO_C, (1<<14), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN06", GPIO_C, (1<<15), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN07", GPIO_D, (1<<2), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
/* Other inputs */
{"WP_L", GPIO_B, (1<<4), GPIO_INPUT, NULL},
/* Outputs */
{"AP_RESET_L", GPIO_B, (1<<3), GPIO_ODR_HIGH, NULL},
{"CHARGER_EN", GPIO_B, (1<<2), GPIO_OUT_LOW, NULL},
{"EC_INT", GPIO_B, (1<<9), GPIO_ODR_HIGH, NULL},
{"EN_PP1350", GPIO_H, (1<<1), GPIO_OUT_LOW, NULL},
{"EN_PP3300", GPIO_A, (1<<8), GPIO_OUT_LOW, NULL},
{"EN_PP5000", GPIO_A, (1<<11), GPIO_OUT_LOW, NULL},
{"ENTERING_RW", GPIO_H, (1<<0), GPIO_OUT_LOW, NULL},
{"I2C1_SCL", GPIO_B, (1<<6), GPIO_ODR_HIGH, NULL},
{"I2C1_SDA", GPIO_B, (1<<7), GPIO_ODR_HIGH, NULL},
{"I2C2_SCL", GPIO_B, (1<<10), GPIO_ODR_HIGH, NULL},
{"I2C2_SDA", GPIO_B, (1<<11), GPIO_ODR_HIGH, NULL},
{"LED_POWER_L", GPIO_A, (1<<2), GPIO_OUT_HIGH, NULL},
{"PMIC_PWRON", GPIO_A, (1<<12), GPIO_OUT_LOW, NULL},
{"PMIC_RESET", GPIO_A, (1<<15), GPIO_OUT_LOW, NULL},
{"KB_OUT00", GPIO_B, (1<<0), GPIO_KB_OUTPUT, NULL},
{"KB_OUT01", GPIO_B, (1<<8), GPIO_KB_OUTPUT, NULL},
{"KB_OUT02", GPIO_B, (1<<12), GPIO_KB_OUTPUT, NULL},
{"KB_OUT03", GPIO_B, (1<<13), GPIO_KB_OUTPUT, NULL},
{"KB_OUT04", GPIO_B, (1<<14), GPIO_KB_OUTPUT, NULL},
{"KB_OUT05", GPIO_B, (1<<15), GPIO_KB_OUTPUT, NULL},
{"KB_OUT06", GPIO_C, (1<<0), GPIO_KB_OUTPUT, NULL},
{"KB_OUT07", GPIO_C, (1<<1), GPIO_KB_OUTPUT, NULL},
{"KB_OUT08", GPIO_C, (1<<2), GPIO_KB_OUTPUT, NULL},
{"KB_OUT09", GPIO_B, (1<<1), GPIO_KB_OUTPUT, NULL},
{"KB_OUT10", GPIO_C, (1<<5), GPIO_KB_OUTPUT, NULL},
{"KB_OUT11", GPIO_C, (1<<4), GPIO_KB_OUTPUT, NULL},
{"KB_OUT12", GPIO_A, (1<<13), GPIO_KB_OUTPUT, NULL},
};
BUILD_ASSERT(ARRAY_SIZE(gpio_list) == GPIO_COUNT);
/* Pins with alternate functions */
const struct gpio_alt_func gpio_alt_funcs[] = {
{GPIO_A, 0x0004, GPIO_ALT_TIM2, MODULE_POWER_LED},
{GPIO_A, 0x00f0, GPIO_ALT_SPI, MODULE_SPI},
{GPIO_A, 0x0600, GPIO_ALT_USART, MODULE_UART},
{GPIO_B, 0x0cc0, GPIO_ALT_I2C, MODULE_I2C},
};
const int gpio_alt_funcs_count = ARRAY_SIZE(gpio_alt_funcs);
/* Battery temperature ranges in degrees C */
static const struct battery_info info = {
.start_charging_min_c = 0,
.start_charging_max_c = 45,
.charging_min_c = 0,
.charging_max_c = 60,
.discharging_min_c = 0,
.discharging_max_c = 100,
};
const struct battery_info *battery_get_info(void)
{
return &info;
}
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"master", I2C_PORT_MASTER, 100},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
struct keyboard_scan_config keyscan_config = {
.output_settle_us = 40,
.debounce_down_us = 6 * MSEC,
.debounce_up_us = 30 * MSEC,
.scan_period_us = 1500,
.min_post_scan_delay_us = 1000,
.poll_timeout_us = SECOND,
.actual_key_mask = {
0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff,
0xa4, 0xff, 0xf6, 0x55, 0xfa, 0xc8 /* full set */
},
};
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
{STM32_TIM(2), STM32_TIM_CH(3),
PWM_CONFIG_ACTIVE_LOW, GPIO_LED_POWER_L},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
int pmu_board_init(void)
{
int ver, failure = 0;
/* Set fast charging timeout to 6 hours*/
if (!failure)
failure = pmu_set_fastcharge(TIMEOUT_6HRS);
/* Enable external gpio CHARGER_EN control */
if (!failure)
failure = pmu_enable_ext_control(1);
/* Disable force charging */
if (!failure)
failure = pmu_enable_charger(0);
/* Set NOITERM bit */
if (!failure)
failure = pmu_low_current_charging(1);
/*
* High temperature charging
* termination voltage: 2.1V
* termination current: 100%
*/
if (!failure)
failure = pmu_set_term_voltage(RANGE_T34, TERM_V2100);
if (!failure)
failure = pmu_set_term_current(RANGE_T34, TERM_I1000);
/*
* Standard temperature charging
* termination voltage: 2.1V
* termination current: 100%
*/
if (!failure)
failure = pmu_set_term_voltage(RANGE_T23, TERM_V2100);
if (!failure)
failure = pmu_set_term_current(RANGE_T23, TERM_I1000);
/*
* Ignore TPSCHROME NTC reading in T40. This is snow board specific
* setting. Check:
* http://crosbug.com/p/12221
* http://crosbug.com/p/13171
*/
if (!failure)
failure = pmu_set_term_voltage(RANGE_T40, TERM_V2100);
if (!failure)
failure = pmu_set_term_current(RANGE_T40, TERM_I1000);
/* Workaround init values before ES3 */
if (pmu_version(&ver) || ver < 3) {
/* Termination current: 75% */
if (!failure)
failure = pmu_set_term_current(RANGE_T34, TERM_I0750);
if (!failure)
failure = pmu_set_term_current(RANGE_T23, TERM_I0750);
if (!failure)
failure = pmu_set_term_current(RANGE_T40, TERM_I0750);
}
return failure ? EC_ERROR_UNKNOWN : EC_SUCCESS;
}
|
