192 lines
5.2 KiB
C
192 lines
5.2 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2015 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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* Copyright (C) 2016 Benjamin Vernoux <bvernoux@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file implements the platform specific functions for the STM32
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* implementation.
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*/
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#ifndef __PLATFORM_H
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#define __PLATFORM_H
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#include "gpio.h"
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#include "timing.h"
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#include "timing_stm32.h"
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#include <setjmp.h>
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#define PLATFORM_HAS_TRACESWO
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#define PLATFORM_IDENT " (HydraBus))"
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/* Important pin mappings for STM32 implementation:
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*
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* LED0 = PA4 (Green LED : Running)
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* LED0 = PA4 (Green LED : Idle)
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* LED0 = PA4 (Green LED : Error)
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* LED0 = PA4 (Green LED : Bootloader active)
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*
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* TMS = PC0 (SWDIO)
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* TCK = PC1 (SWCLK)
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* TDO = PC2 (input for TRACESWO)
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* TDI = PC3
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* nSRST = PC4 (nRST /RESET / System Reset)
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* nTRST = PC5 (Test Reset optional)
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*
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* USB VBUS detect: PB13
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*/
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/* Hardware definitions... */
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#define JTAG_PORT GPIOC
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#define TDI_PORT JTAG_PORT
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#define TMS_PORT JTAG_PORT
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#define TCK_PORT JTAG_PORT
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#define TDO_PORT JTAG_PORT
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#define TDI_PIN GPIO3
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#define TMS_PIN GPIO0
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#define TCK_PIN GPIO1
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#define TDO_PIN GPIO2
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#define SWDIO_PORT JTAG_PORT
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#define SWCLK_PORT JTAG_PORT
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#define SWDIO_PIN TMS_PIN
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#define SWCLK_PIN TCK_PIN
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#define TRST_PORT GPIOC
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#define TRST_PIN GPIO5
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#define SRST_PORT GPIOC
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#define SRST_PIN GPIO4
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#define LED_PORT GPIOA
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#define LED_PORT_UART GPIOA
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#define LED_UART GPIO4
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#define LED_IDLE_RUN GPIO4
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#define LED_ERROR GPIO4
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#define LED_BOOTLOADER GPIO4
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#define TMS_SET_MODE() \
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gpio_mode_setup(TMS_PORT, GPIO_MODE_OUTPUT, \
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GPIO_PUPD_NONE, TMS_PIN);
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#define SWDIO_MODE_FLOAT() \
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gpio_mode_setup(SWDIO_PORT, GPIO_MODE_INPUT, \
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GPIO_PUPD_NONE, SWDIO_PIN);
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#define SWDIO_MODE_DRIVE() \
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gpio_mode_setup(SWDIO_PORT, GPIO_MODE_OUTPUT, \
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GPIO_PUPD_NONE, SWDIO_PIN);
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#define UART_PIN_SETUP() do { \
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gpio_mode_setup(USBUSART_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, \
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USBUSART_TX_PIN); \
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gpio_set_output_options(USBUSART_PORT, GPIO_OTYPE_PP, \
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GPIO_OSPEED_100MHZ, USBUSART_TX_PIN); \
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gpio_set_af(USBUSART_PORT, GPIO_AF7, USBUSART_TX_PIN); \
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gpio_mode_setup(USBUSART_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, \
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USBUSART_RX_PIN); \
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gpio_set_output_options(USBUSART_PORT, GPIO_OTYPE_OD, \
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GPIO_OSPEED_100MHZ, USBUSART_RX_PIN); \
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gpio_set_af(USBUSART_PORT, GPIO_AF7, USBUSART_RX_PIN); \
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} while(0)
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#define USB_DRIVER stm32f107_usb_driver
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#define USB_IRQ NVIC_OTG_FS_IRQ
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#define USB_ISR(x) otg_fs_isr(x)
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/* Interrupt priorities. Low numbers are high priority.
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* TIM3 is used for traceswo capture and must be highest priority.
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*/
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#define IRQ_PRI_USB (1 << 4)
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#define IRQ_PRI_USBUSART (2 << 4)
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#define IRQ_PRI_USBUSART_DMA (2 << 4)
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#define IRQ_PRI_TRACE (0 << 4)
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#define USBUSART USART1
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#define USBUSART_CR1 USART1_CR1
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#define USBUSART_DR USART1_DR
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#define USBUSART_IRQ NVIC_USART1_IRQ
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#define USBUSART_CLK RCC_USART1
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#define USBUSART_PORT GPIOA
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#define USBUSART_TX_PIN GPIO9
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#define USBUSART_RX_PIN GPIO10
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#define USBUSART_ISR(x) usart1_isr(x)
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#define USBUSART_DMA_BUS DMA2
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#define USBUSART_DMA_CLK RCC_DMA2
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#define USBUSART_DMA_TX_CHAN DMA_STREAM7
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#define USBUSART_DMA_TX_IRQ NVIC_DMA2_STREAM7_IRQ
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#define USBUSART_DMA_TX_ISR(x) dma2_stream7_isr(x)
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#define USBUSART_DMA_RX_CHAN DMA_STREAM5
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#define USBUSART_DMA_RX_IRQ NVIC_DMA2_STREAM5_IRQ
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#define USBUSART_DMA_RX_ISR(x) dma2_stream5_isr(x)
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/* For STM32F4 DMA trigger source must be specified */
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#define USBUSART_DMA_TRG DMA_SxCR_CHSEL_4
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#define TRACE_TIM TIM3
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#define TRACE_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM3)
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#define TRACE_IRQ NVIC_TIM3_IRQ
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#define TRACE_ISR(x) tim3_isr(x)
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#define gpio_set_val(port, pin, val) do { \
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if(val) \
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gpio_set((port), (pin)); \
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else \
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gpio_clear((port), (pin)); \
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} while(0)
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#define SET_RUN_STATE(state) {running_status = (state);}
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#define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, LED_IDLE_RUN, state);}
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#define SET_ERROR_STATE(state) {gpio_set_val(LED_PORT, LED_ERROR, state);}
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static inline int platform_hwversion(void)
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{
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return 0;
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}
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/*
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* Use newlib provided integer only stdio functions
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*/
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/* sscanf */
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#ifdef sscanf
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#undef sscanf
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#define sscanf siscanf
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#else
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#define sscanf siscanf
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#endif
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/* sprintf */
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#ifdef sprintf
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#undef sprintf
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#define sprintf siprintf
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#else
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#define sprintf siprintf
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#endif
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/* vasprintf */
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#ifdef vasprintf
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#undef vasprintf
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#define vasprintf vasiprintf
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#else
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#define vasprintf vasiprintf
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#endif
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/* snprintf */
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#ifdef snprintf
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#undef snprintf
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#define snprintf sniprintf
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#else
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#define snprintf sniprintf
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#endif
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#endif
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