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
|
/* Copyright (c) 2012 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.
*/
/* Spring board configuration */
#ifndef __BOARD_H
#define __BOARD_H
/* 16 MHz SYSCLK clock frequency */
#define CPU_CLOCK 16000000
/* Use USART1 as console serial port */
#define CONFIG_CONSOLE_UART 1
/* Debug features */
#define CONFIG_PANIC_HELP
#define CONFIG_ASSERT_HELP
#define CONFIG_CONSOLE_CMDHELP
/* Optional features */
#define CONFIG_CHIPSET_GAIA
#define CONFIG_HOST_COMMAND_STATUS
#define CONFIG_I2C
#undef CONFIG_TASK_PROFILING
#define CONFIG_WATCHDOG_HELP
/* DE-ACTIVATED: use STOP mode when we have nothing to do */
#undef CONFIG_LOW_POWER_IDLE
/* Smart battery and TPSchrome are on a private I2C bus behind the EC */
#define CONFIG_I2C_PASSTHROUGH
/* always enable the 3G modem power rail */
#define CONFIG_PMU_FORCE_FET
#ifndef __ASSEMBLER__
/* By default, enable all console messages except keyboard */
#define CC_DEFAULT (CC_ALL & ~CC_MASK(CC_KEYSCAN))
/* EC drives 13 outputs to the keyboard matrix and reads 8 inputs/interrupts */
#define KB_INPUTS 8
#define KB_OUTPUTS 13
#define KB_OUT_PORT_LIST GPIO_B, GPIO_C
/* Charging */
#define CONFIG_SMART_BATTERY
#define CONFIG_PMU_TPS65090
#define CONFIG_PMU_BOARD_INIT
#define I2C_PORT_HOST 0
#define I2C_PORT_BATTERY I2C_PORT_HOST
#define I2C_PORT_CHARGER I2C_PORT_HOST
#define I2C_PORT_SLAVE 1
#define CONFIG_CMD_PMU
/* Battery */
#define CONFIG_BATTERY_BQ20Z453
/* Charger/accessories detection */
#define CONFIG_TSU6721
/* Battery LED driver */
#define CONFIG_LP5562
/* Timer selection */
#define TIM_CLOCK_MSB 2
#define TIM_CLOCK_LSB 4
/* ADC signal */
#define CONFIG_ADC
enum adc_channel {
ADC_CH_USB_VBUS_SNS = 0,
ADC_CH_USB_DP_SNS,
ADC_CH_USB_DN_SNS,
ADC_CH_COUNT
};
/* GPIO signal list */
enum gpio_signal {
/* Inputs with interrupt handlers are first for efficiency */
GPIO_KB_PWR_ON_L = 0, /* Keyboard power button */
GPIO_PP1800_LDO2, /* LDO2 is ON (end of PMIC sequence) */
GPIO_SOC1V8_XPSHOLD, /* App Processor ON */
GPIO_CHARGER_INT,
GPIO_LID_OPEN, /* LID switch detection */
GPIO_SUSPEND_L, /* AP suspend/resume state */
GPIO_WRITE_PROTECTn, /* Write protection pin (low active) */
/* Keyboard inputs */
GPIO_KB_IN00,
GPIO_KB_IN01,
GPIO_KB_IN02,
GPIO_KB_IN03,
GPIO_KB_IN04,
GPIO_KB_IN05,
GPIO_KB_IN06,
GPIO_KB_IN07,
GPIO_USB_CHG_INT,
/* Other inputs */
GPIO_BCHGR_VACG, /* AC good on TPSChrome */
GPIO_I2C1_SCL,
GPIO_I2C1_SDA,
GPIO_I2C2_SCL,
GPIO_I2C2_SDA,
/* Outputs */
GPIO_EN_PP1350, /* DDR 1.35v rail enable */
GPIO_EN_PP5000, /* 5.0v rail enable */
GPIO_EN_PP3300, /* 3.3v rail enable */
GPIO_PMIC_PWRON_L, /* 5v rail ready */
GPIO_PMIC_RESET, /* Force hard reset of the pmic */
GPIO_ENTERING_RW, /* EC is R/W mode for the kbc mux */
GPIO_CHARGER_EN,
GPIO_EC_INT,
GPIO_ID_MUX,
GPIO_KB_OUT00,
GPIO_KB_OUT01,
GPIO_KB_OUT02,
GPIO_KB_OUT03,
GPIO_KB_OUT04,
GPIO_KB_OUT05,
GPIO_KB_OUT06,
GPIO_KB_OUT07,
GPIO_KB_OUT08,
GPIO_KB_OUT09,
GPIO_KB_OUT10,
GPIO_KB_OUT11,
GPIO_KB_OUT12,
GPIO_BOOST_EN,
GPIO_ILIM,
/* Number of GPIOs; not an actual GPIO */
GPIO_COUNT
};
/* ILIM pin control */
enum ilim_config {
ILIM_CONFIG_MANUAL_OFF,
ILIM_CONFIG_MANUAL_ON,
ILIM_CONFIG_PWM,
};
/* Forward declaration */
enum charging_state;
void configure_board(void);
void matrix_interrupt(enum gpio_signal signal);
/* Signal to AP that data is waiting */
void board_interrupt_host(int active);
/* Initialize PMU registers using board settings */
int board_pmu_init(void);
/* Force the pmu to reset everything on the board */
void board_hard_reset(void);
/* Set ILIM pin control type */
void board_ilim_config(enum ilim_config config);
/* Set PWM duty cycle */
void board_pwm_duty_cycle(int percent);
/* Update USB port status */
void board_usb_charge_update(int force_update);
/* Update battery LED color */
int board_battery_led(enum charging_state state);
/* Get USB port device type */
int board_get_usb_dev_type(void);
/* Get USB port current limit */
int board_get_usb_current_limit(void);
/* Properly limit input power on EC boot */
void board_pwm_init_limit(void);
#endif /* !__ASSEMBLER__ */
#endif /* __BOARD_H */
|
