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Diffstat (limited to 'chip/stm32/usart-stm32f3.c')
-rw-r--r--chip/stm32/usart-stm32f3.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/chip/stm32/usart-stm32f3.c b/chip/stm32/usart-stm32f3.c
deleted file mode 100644
index 42a0cf310e..0000000000
--- a/chip/stm32/usart-stm32f3.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/* Copyright 2015 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 "usart-stm32f3.h"
-
-#include "common.h"
-#include "compile_time_macros.h"
-#include "hooks.h"
-#include "registers.h"
-#include "task.h"
-#include "util.h"
-
-/*
- * This configs array stores the currently active usart_config structure for
- * each USART, an entry will be NULL if no USART driver is initialized for the
- * corresponding hardware instance.
- */
-#define STM32_USARTS_MAX 3
-
-static struct usart_config const *configs[STM32_USARTS_MAX];
-
-struct usart_configs usart_get_configs(void)
-{
- return (struct usart_configs) {configs, ARRAY_SIZE(configs)};
-}
-
-static void usart_variant_enable(struct usart_config const *config)
-{
- configs[config->hw->index] = config;
-
- /*
- * All three USARTS are clocked from the HSI(8MHz) source. This is
- * done because the clock sources elsewhere are setup so that the result
- * of clock_get_freq() is not the input clock frequency to the USARTs
- * baud rate divisors.
- */
- STM32_RCC_CFGR3 |= 0x000f0003;
-
- usart_set_baud_f0_l(config, config->baud, 8000000);
-
- task_enable_irq(config->hw->irq);
-}
-
-static void usart_variant_disable(struct usart_config const *config)
-{
- task_disable_irq(config->hw->irq);
-
- configs[config->hw->index] = NULL;
-}
-
-static struct usart_hw_ops const usart_variant_hw_ops = {
- .enable = usart_variant_enable,
- .disable = usart_variant_disable,
-};
-
-void usart_clear_tc(struct usart_config const *config)
-{
- STM32_USART_ICR(config->hw->base) |= STM32_USART_ICR_TCCF;
-}
-
-/*
- * USART interrupt bindings. These functions can not be defined as static or
- * they will be removed by the linker because of the way that DECLARE_IRQ works.
- */
-#if defined(CONFIG_STREAM_USART1)
-struct usart_hw_config const usart1_hw = {
- .index = 0,
- .base = STM32_USART1_BASE,
- .irq = STM32_IRQ_USART1,
- .clock_register = &STM32_RCC_APB2ENR,
- .clock_enable = STM32_RCC_PB2_USART1,
- .ops = &usart_variant_hw_ops,
-};
-
-void usart1_interrupt(void)
-{
- usart_interrupt(configs[0]);
-}
-
-DECLARE_IRQ(STM32_IRQ_USART1, usart1_interrupt, 2);
-#endif
-
-#if defined(CONFIG_STREAM_USART2)
-struct usart_hw_config const usart2_hw = {
- .index = 1,
- .base = STM32_USART2_BASE,
- .irq = STM32_IRQ_USART2,
- .clock_register = &STM32_RCC_APB1ENR,
- .clock_enable = STM32_RCC_PB1_USART2,
- .ops = &usart_variant_hw_ops,
-};
-
-void usart2_interrupt(void)
-{
- usart_interrupt(configs[1]);
-}
-
-DECLARE_IRQ(STM32_IRQ_USART2, usart2_interrupt, 2);
-#endif
-
-#if defined(CONFIG_STREAM_USART3)
-struct usart_hw_config const usart3_hw = {
- .index = 2,
- .base = STM32_USART3_BASE,
- .irq = STM32_IRQ_USART3,
- .clock_register = &STM32_RCC_APB1ENR,
- .clock_enable = STM32_RCC_PB1_USART3,
- .ops = &usart_variant_hw_ops,
-};
-#endif
-
-#if defined(CONFIG_STREAM_USART3)
-void usart3_interrupt(void)
-{
- usart_interrupt(configs[2]);
-}
-
-DECLARE_IRQ(STM32_IRQ_USART3, usart3_interrupt, 2);
-#endif