diff options
Diffstat (limited to 'chip/stm32/gpio-stm32f4.c')
| -rw-r--r-- | chip/stm32/gpio-stm32f4.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/chip/stm32/gpio-stm32f4.c b/chip/stm32/gpio-stm32f4.c deleted file mode 100644 index 4a4e095a71..0000000000 --- a/chip/stm32/gpio-stm32f4.c +++ /dev/null @@ -1,66 +0,0 @@ -/* 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. - */ - -/* GPIO module for Chrome EC */ - -#include "clock.h" -#include "common.h" -#include "gpio.h" -#include "hooks.h" -#include "registers.h" -#include "task.h" -#include "util.h" - -int gpio_required_clocks(void) -{ - const int gpio_ports_used = (0 -# define GPIO(name, pin, flags) pin -# define GPIO_INT(name, pin, flags, signal) pin -# define ALTERNATE(pinmask, function, module, flagz) pinmask -# define PIN(port, index) | STM32_RCC_AHB1ENR_GPIO_PORT ## port -# define PIN_MASK(port, mask) PIN(port, 0) -# include "gpio.wrap" - ); - - /* - * If no ports are in use, then system_is_reboot_warm - * may not be valid. - */ - ASSERT(gpio_ports_used); - - return gpio_ports_used; -} - -void gpio_enable_clocks(void) -{ - /* Enable only ports that are referenced in the gpio.inc */ - STM32_RCC_AHB1ENR |= gpio_required_clocks(); - - /* Delay 1 AHB clock cycle after the clock is enabled */ - clock_wait_bus_cycles(BUS_AHB, 1); -} - -static void gpio_init(void) -{ - /* Enable IRQs now that pins are set up */ - task_enable_irq(STM32_IRQ_EXTI0); - task_enable_irq(STM32_IRQ_EXTI1); - task_enable_irq(STM32_IRQ_EXTI2); - task_enable_irq(STM32_IRQ_EXTI3); - task_enable_irq(STM32_IRQ_EXTI4); - task_enable_irq(STM32_IRQ_EXTI9_5); - task_enable_irq(STM32_IRQ_EXTI15_10); -} -DECLARE_HOOK(HOOK_INIT, gpio_init, HOOK_PRIO_DEFAULT); - -DECLARE_IRQ(STM32_IRQ_EXTI0, gpio_interrupt, 1); -DECLARE_IRQ(STM32_IRQ_EXTI1, gpio_interrupt, 1); -DECLARE_IRQ(STM32_IRQ_EXTI2, gpio_interrupt, 1); -DECLARE_IRQ(STM32_IRQ_EXTI3, gpio_interrupt, 1); -DECLARE_IRQ(STM32_IRQ_EXTI4, gpio_interrupt, 1); -DECLARE_IRQ(STM32_IRQ_EXTI9_5, gpio_interrupt, 1); -DECLARE_IRQ(STM32_IRQ_EXTI15_10, gpio_interrupt, 1); - -#include "gpio-f0-l.c" |