stm32f1: Remove now unused src/stm32f1/ directory

Now that the stm32f1 code has been merged into the stm32 code, there
is no longer a need to keep the stm32f1/ directory.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 0 insertions, 65 deletions

diff --git a/src/stm32f1/serial.c b/src/stm32f1/serial.c
deleted file mode 100644
index e1699334..00000000
--- a/src/stm32f1/serial.c
+++ /dev/null
@@ -1,65 +0,0 @@
-// STM32F1 serial port
-//
-// Copyright (C) 2018 Grigori Goronzy <greg@kinoho.net>
-//
-// This file may be distributed under the terms of the GNU GPLv3 license.
-
-#include <stdint.h>
-#include "autoconf.h" // CONFIG_SERIAL_BAUD
-#include "board/serial_irq.h" // serial_rx_byte
-#include "sched.h" // DECL_INIT
-#include "stm32f1xx.h" // UART
-#include "stm32f1xx_ll_bus.h"
-#include "stm32f1xx_ll_rcc.h"
-#include "stm32f1xx_ll_usart.h"
-#include "stm32f1xx_ll_gpio.h"
-
-void
-serial_init(void)
-{
-    const uint32_t pclk = __LL_RCC_CALC_PCLK2_FREQ(SystemCoreClock
-                                                   , LL_RCC_GetAPB2Prescaler());
-
-    LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_USART1);
-    LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_USART1);
-    LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);
-    LL_USART_SetBaudRate(USART1, pclk, CONFIG_SERIAL_BAUD);
-    LL_USART_SetDataWidth(USART1, LL_USART_DATAWIDTH_8B);
-    LL_USART_SetParity(USART1, LL_USART_PARITY_NONE);
-    LL_USART_SetStopBitsLength(USART1, LL_USART_STOPBITS_1);
-    LL_USART_SetHWFlowCtrl(USART1, LL_USART_HWCONTROL_NONE);
-    LL_USART_SetTransferDirection(USART1, LL_USART_DIRECTION_TX_RX);
-    LL_USART_EnableIT_RXNE(USART1);
-    NVIC_SetPriority(USART1_IRQn, 0);
-    NVIC_EnableIRQ(USART1_IRQn);
-    LL_USART_Enable(USART1);
-
-    LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
-    LL_GPIO_AF_DisableRemap_USART1();
-    LL_GPIO_SetPinPull(GPIOA, LL_GPIO_PIN_9, LL_GPIO_PULL_UP);
-    LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_9, LL_GPIO_MODE_ALTERNATE);
-    LL_GPIO_SetPinPull(GPIOA, LL_GPIO_PIN_10, LL_GPIO_PULL_UP);
-    LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_10, LL_GPIO_MODE_INPUT);
-}
-DECL_INIT(serial_init);
-
-void __visible
-USART1_IRQHandler(void)
-{
-    if (LL_USART_IsActiveFlag_RXNE(USART1) || LL_USART_IsActiveFlag_ORE(USART1))
-        serial_rx_byte(LL_USART_ReceiveData8(USART1));
-    if (LL_USART_IsActiveFlag_TXE(USART1)) {
-        uint8_t data;
-        int ret = serial_get_tx_byte(&data);
-        if (ret)
-            LL_USART_DisableIT_TXE(USART1);
-        else
-            LL_USART_TransmitData8(USART1, data);
-    }
-}
-
-void
-serial_enable_tx_irq(void)
-{
-    LL_USART_EnableIT_TXE(USART1);
-}