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Diffstat (limited to 'board/nucleo-dartmonkey/board.c')
-rw-r--r-- | board/nucleo-dartmonkey/board.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/board/nucleo-dartmonkey/board.c b/board/nucleo-dartmonkey/board.c deleted file mode 100644 index a7851ec00b..0000000000 --- a/board/nucleo-dartmonkey/board.c +++ /dev/null @@ -1,106 +0,0 @@ -/* Copyright 2020 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. - */ - -#include "common.h" -#include "console.h" -#include "fpsensor_detect.h" -#include "gpio.h" -#include "hooks.h" -#include "registers.h" -#include "spi.h" -#include "system.h" -#include "task.h" -#include "util.h" - -/** - * Disable restricted commands when the system is locked. - * - * @see console.h system.c - */ -int console_is_restricted(void) -{ - return system_is_locked(); -} - -static void ap_deferred(void) -{ - /* - * Behavior: - * AP Active (ex. Intel S0): SLP_L is 1 - * AP Suspend (ex. Intel S0ix): SLP_L is 0 - * The alternative SLP_ALT_L should be pulled high at all the times. - * - * Legacy Intel behavior: - * in S3: SLP_ALT_L is 0 and SLP_L is X. - * in S0ix: SLP_ALT_L is X and SLP_L is 0. - * in S0: SLP_ALT_L is 1 and SLP_L is 1. - * in S5/G3, the FP MCU should not be running. - */ - int running = gpio_get_level(GPIO_SLP_ALT_L) - && gpio_get_level(GPIO_SLP_L); - - if (running) { /* S0 */ - disable_sleep(SLEEP_MASK_AP_RUN); - hook_notify(HOOK_CHIPSET_RESUME); - } else { /* S0ix/S3 */ - hook_notify(HOOK_CHIPSET_SUSPEND); - enable_sleep(SLEEP_MASK_AP_RUN); - } -} -DECLARE_DEFERRED(ap_deferred); - -/* PCH power state changes */ -static void slp_event(enum gpio_signal signal) -{ - hook_call_deferred(&ap_deferred_data, 0); -} - -#ifndef HAS_TASK_FPSENSOR -void fps_event(enum gpio_signal signal) -{ -} -#endif - -#include "gpio_list.h" - -/* SPI devices */ -struct spi_device_t spi_devices[] = { - /* Fingerprint sensor (SCLK at 4Mhz) */ - { .port = CONFIG_SPI_FP_PORT, .div = 3, .gpio_cs = GPIO_SPI4_NSS } -}; -const unsigned int spi_devices_used = ARRAY_SIZE(spi_devices); - -static void spi_configure(void) -{ - /* Configure SPI GPIOs */ - gpio_config_module(MODULE_SPI_CONTROLLER, 1); - /* Set all SPI master signal pins to very high speed: pins E2/4/5/6 */ - STM32_GPIO_OSPEEDR(GPIO_E) |= 0x00003f30; - /* Enable clocks to SPI4 module (master) */ - STM32_RCC_APB2ENR |= STM32_RCC_PB2_SPI4; - - spi_enable(&spi_devices[0], 1); -} - -/* Initialize board. */ -static void board_init(void) -{ - spi_configure(); - - ccprints("TRANSPORT_SEL: %s", - fp_transport_type_to_str(get_fp_transport_type())); - - /* Enable interrupt on PCH power signals */ - gpio_enable_interrupt(GPIO_SLP_ALT_L); - gpio_enable_interrupt(GPIO_SLP_L); - - /* - * Enable the SPI slave interface if the PCH is up. - * Do not use hook_call_deferred(), because ap_deferred() will be - * called after tasks with priority higher than HOOK task (very late). - */ - ap_deferred(); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); |