diff options
Diffstat (limited to 'board/mccroskey/board.c')
-rw-r--r-- | board/mccroskey/board.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/board/mccroskey/board.c b/board/mccroskey/board.c deleted file mode 100644 index 40993923ce..0000000000 --- a/board/mccroskey/board.c +++ /dev/null @@ -1,87 +0,0 @@ -/* 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. - */ -/* McCroskey board-specific configuration */ - -#include "chipset.h" -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "hooks.h" -#include "i2c.h" -#include "keyboard_raw.h" -#include "registers.h" -#include "spi.h" -#include "task.h" -#include "timer.h" -#include "util.h" - -#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH) -#define GPIO_KB_OUTPUT (GPIO_OUTPUT | GPIO_OPEN_DRAIN | GPIO_OUT_LOW) - -#define HARD_RESET_TIMEOUT_MS 5 - -#include "gpio_list.h" - -void board_config_pre_init(void) -{ - uint32_t val; - - /* Enable all GPIOs clocks. - * - * TODO(crosbug.com/p/23494): more fine-grained enabling for power - * saving. - */ - STM32_RCC_APB2ENR |= 0x1fd; - -#ifdef CONFIG_SPI - /* - * SPI1 on pins PA4-7 (alt. function push-pull, 10MHz). - * - * TODO(crosbug.com/p/23494): Connected device SPI freq is fxo/2 in - * master mode, fxo/4 in slave mode. fxo ranges from 12-40MHz. - */ - val = STM32_GPIO_CRL(GPIO_A) & ~0xffff0000; - val |= 0x99990000; - STM32_GPIO_CRL(GPIO_A) = val; -#endif - - /* remap OSC_IN/OSC_OUT to PD0/PD1 */ - STM32_GPIO_AFIO_MAPR |= 1 << 15; - - /* use PB3 as a GPIO, so disable JTAG and keep only SWD */ - STM32_GPIO_AFIO_MAPR = (STM32_GPIO_AFIO_MAPR & ~(0x7 << 24)) - | (2 << 24); - - /* remap TIM2_CH2 to PB3 */ - STM32_GPIO_AFIO_MAPR = (STM32_GPIO_AFIO_MAPR & ~(0x3 << 8)) - | (1 << 8); - - /* - * Set alternate function for USART1. For alt. function input - * the port is configured in either floating or pull-up/down - * input mode (ref. section 7.1.4 in datasheet RM0041): - * PA9: Tx, alt. function output - * PA10: Rx, input with pull-down - * - * note: see crosbug.com/p/12223 for more info - */ - val = STM32_GPIO_CRH(GPIO_A) & ~0x00000ff0; - val |= 0x00000890; - STM32_GPIO_CRH(GPIO_A) = val; -} - -/* GPIO configuration to be done after I2C module init */ -void board_i2c_post_init(int port) -{ - uint32_t val; - - /* enable alt. function (open-drain) */ - if (port == STM32_I2C1_PORT) { - /* I2C1 is on PB6-7 */ - val = STM32_GPIO_CRL(GPIO_B) & ~0xff000000; - val |= 0xdd000000; - STM32_GPIO_CRL(GPIO_B) = val; - } -} |