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
|
/* -*- mode:c -*-
*
* Copyright 2016 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.
*/
/* Outputs */
GPIO(UART1_EN_L, PIN(A, 8), GPIO_OUT_LOW)
GPIO(SERVO_JTAG_TRST_L, PIN(A, 13), GPIO_OUT_LOW)
GPIO(SPI1_BUF_EN_L, PIN(A, 14), GPIO_OUT_HIGH)
GPIO(SPI2_BUF_EN_L, PIN(A, 15), GPIO_OUT_HIGH)
GPIO(UART2_EN_L, PIN(B, 0), GPIO_OUT_LOW)
GPIO(SPI1_VREF_33, PIN(B, 2), GPIO_OUT_LOW)
GPIO(SPI1_VREF_18, PIN(B, 3), GPIO_OUT_LOW)
GPIO(SPI2_VREF_33, PIN(B, 4), GPIO_OUT_LOW)
GPIO(SPI2_VREF_18, PIN(B, 5), GPIO_OUT_LOW)
GPIO(SERVO_JTAG_TRST_DIR, PIN(B, 6), GPIO_OUT_HIGH)
GPIO(SERVO_JTAG_TDI_DIR, PIN(B, 7), GPIO_OUT_HIGH)
GPIO(TCA6416_RESET_L, PIN(C, 13), GPIO_OUT_LOW)
GPIO(SPI1_MUX_SEL, PIN(A, 5), GPIO_OUT_HIGH)
GPIO(SERVO_JTAG_TMS_DIR, PIN(C, 14), GPIO_OUT_LOW)
GPIO(SERVO_JTAG_TDO_SEL, PIN(C, 15), GPIO_OUT_HIGH)
GPIO(JTAG_BUFOUT_EN_L, PIN(F, 0), GPIO_OUT_HIGH)
GPIO(JTAG_BUFIN_EN_L, PIN(F, 1), GPIO_OUT_LOW)
/* Inputs */
GPIO(SERVO_JTAG_TMS, PIN(A, 4), GPIO_INPUT)
GPIO(SERVO_JTAG_TDO_BUFFER_EN, PIN(A, 6), GPIO_OUT_HIGH)
GPIO(SERVO_JTAG_TDI, PIN(A, 7), GPIO_INPUT)
GPIO(SERVO_JTAG_RTCK, PIN(B, 1), GPIO_INPUT)
/* Flash SPI interface */
GPIO(SPI_CS, PIN(B, 12), GPIO_OUT_HIGH)
GPIO(SPI_CLK, PIN(B, 13), GPIO_INPUT)
GPIO(SPI_MISO, PIN(B, 14), GPIO_INPUT)
GPIO(SPI_MOSI, PIN(B, 15), GPIO_INPUT)
/* I2C pins should be configured as inputs until I2C module is */
/* initialized. This will avoid driving the lines unintentionally.*/
GPIO(MASTER_I2C_SCL, PIN(B, 8), GPIO_INPUT)
GPIO(MASTER_I2C_SDA, PIN(B, 9), GPIO_INPUT)
/* These pins are used for USART and are set to alternate mode below */
GPIO(USART2_SERVO_TX_DUT_RX, PIN(A, 2), GPIO_INPUT)
GPIO(USART2_SERVO_RX_DUT_TX, PIN(A, 3), GPIO_INPUT)
GPIO(USART3_SERVO_TX_DUT_RX, PIN(B, 10), GPIO_INPUT)
GPIO(USART3_SERVO_RX_DUT_TX, PIN(B, 11), GPIO_INPUT)
/*
* The USART4 (UART3) names are already in use by dut-controls, so they can't
* be easily updated. They are aliased in board.h though.
*/
GPIO(UART3_TX_SERVO_JTAG_TCK, PIN(A, 0), GPIO_INPUT)
GPIO(UART3_RX_JTAG_BUFFER_TO_SERVO_TDO, PIN(A, 1), GPIO_INPUT)
/* Unimplemented signals since we are not an EC */
UNIMPLEMENTED(ENTERING_RW)
UNIMPLEMENTED(WP_L)
ALTERNATE(PIN_MASK(A, 0x0600), 1, MODULE_UART, 0) /* USART1: PA09/PA10 - Servo stm32 console UART*/
ALTERNATE(PIN_MASK(A, 0x000C), 1, MODULE_USART, 0) /* USART2: PA2/PA3 - Servo UART1 */
ALTERNATE(PIN_MASK(B, 0x0C00), 4, MODULE_USART, 0) /* USART3: PB10/PB11 - Servo UART2 */
ALTERNATE(PIN_MASK(A, 0x0003), 4, MODULE_USART, 0) /* USART4: PA0/PA1 - Servo UART3 */
ALTERNATE(PIN_MASK(B, 0x0300), 1, MODULE_I2C, 0) /* I2C MASTER:PB8/PB9 GPIO_ODR_HIGH */
ALTERNATE(PIN_MASK(B, 0x0300), 2, MODULE_I2C_TIMERS, 0) /* I2C MASTER:PB8/PB9 TIM16_CH1/TIM17_CH1 */
ALTERNATE(PIN_MASK(B, 0xE000), 0, MODULE_SPI_FLASH, 0) /* SPI: PB15 - PB12 MOSI, MISO, CLK, CS */
|