307 lines
9.9 KiB
C
307 lines
9.9 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) 2011 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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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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#define PLATFORM_HAS_TRACESWO
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#define PLATFORM_HAS_POWER_SWITCH
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#ifdef ENABLE_DEBUG
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# define PLATFORM_HAS_DEBUG
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# define USBUART_DEBUG
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extern bool debug_bmp;
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int usbuart_debug_write(const char *buf, size_t len);
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#endif
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#define PLATFORM_IDENT " "
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#define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg"
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/* Hardware version switcher helper
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* when the hardware version is smaller than ver
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* it outputs opt1, otherwise opt2 */
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#define HW_SWITCH(ver, opt1, opt2) \
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((platform_hwversion() < (ver))?(opt1):(opt2))
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/* Important pin mappings for STM32 implementation:
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*
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* LED0 = PB2 (Yellow LED : Running)
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* LED1 = PB10 (Orange LED : Idle)
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* LED2 = PB11 (Red LED : Error)
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*
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* TPWR = PB0 (input) -- analogue on mini design ADC1, CH8
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* nTRST = PB1 (output) [blackmagic]
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* PWR_BR = PB1 (output) [blackmagic_mini] -- supply power to the target, active low
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* TMS_DIR = PA1 (output) [blackmagic_mini v2.1] -- choose direction of the TCK pin, input low, output high
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* SRST_OUT = PA2 (output) -- Hardware 5 and older
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* = PA9 (output) -- Hardware 6 and newer
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* TDI = PA3 (output) -- Hardware 5 and older
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* = PA7 (output) -- Hardware 6 and newer
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* TMS = PA4 (input/output for SWDIO)
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* TCK = PA5 (output SWCLK)
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* TDO = PA6 (input)
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* TRACESWO = PB7 (input) -- To allow trace decoding using USART1
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* Hardware 4 has a normally open jumper between TDO and TRACESWO
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* Hardware 5 has hardwired connection between TDO and TRACESWO
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* = PA10 (input) -- Hardware 6 and newer
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* nSRST = PA7 (input) -- Hardware 5 and older
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* = PC13 (input) -- Hardware 6 and newer
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*
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* USB_PU = PA8 (output)
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* USB_VBUS = PB13 (input) -- New on mini design.
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* Enable pull up for compatibility.
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* Hardware 4 and older. (we needed the pin for SPI on 5)
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* = PA15 (input) -- Hardware 5 and newer.
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* BTN1 = PB12 (input) -- Force DFU bootloader when pressed during powerup.
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*
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* UART_TX = PA9 (output) -- USART1 Hardware 5 and older
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* = PA2 (output) -- USART2 Hardware 6 and newer
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* UART_RX = PA10 (input) -- USART1 Hardware 5 and older
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* = PA3 (input) -- USART2 Hardware 6 and newer
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*
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* On Board OTG Flash: -- Optional on Hardware 5 and newer, since Hardware 6 can be on the main board
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* FLASH_CS = PB5 (output)
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* SCLK = PB13 (output)
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* COPI = PB15 (output)
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* CIPO = PB14 (input)
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*
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* AUX Interface: -- Hardware 5 and newer
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* SCLK = PB13 (output)
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* COPI = PB15 (output)
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* CIPO = PB14 (input)
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* FLASH_CS = PB5 (output) -- Only Hardware 5
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* SD_CS = PB6 (output) -- Hardware 6 and newer
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* DISPLAY_CS = PB6 (output) -- OnlyHardware 5
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* = PB7 (output) -- Hardware 6 and newer
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* DISPLAY_DC = PB8 (output)
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* BTN1 = PB12 (input) -- Shared with the DFU bootloader button
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* BTN2 = PB9 (input)
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* VBAT = PA0 (input) -- Battery voltage sense ADC2, CH0
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*/
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/* Hardware definitions... */
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#define JTAG_PORT GPIOA
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#define TDI_PORT JTAG_PORT
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#define TMS_DIR_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 HW_SWITCH(6, GPIO3, GPIO7)
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#define TMS_DIR_PIN GPIO1
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#define TMS_PIN GPIO4
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#define TCK_PIN GPIO5
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#define TDO_PIN GPIO6
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#define SWDIO_DIR_PORT JTAG_PORT
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#define SWDIO_PORT JTAG_PORT
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#define SWCLK_PORT JTAG_PORT
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#define SWDIO_DIR_PIN TMS_DIR_PIN
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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 GPIOB
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#define TRST_PIN GPIO1
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#define PWR_BR_PORT GPIOB
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#define PWR_BR_PIN GPIO1
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#define SRST_PORT GPIOA
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#define SRST_PIN HW_SWITCH(6, GPIO2, GPIO9)
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#define SRST_SENSE_PORT GPIOA
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#define SRST_SENSE_PIN HW_SWITCH(6, GPIO7, GPIO13)
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#define USB_PU_PORT GPIOA
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#define USB_PU_PIN GPIO8
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/* For HW Rev 4 and older */
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#define USB_VBUS_PORT GPIOB
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#define USB_VBUS_PIN GPIO13
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/* IRQ stays the same for all hw revisions. */
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#define USB_VBUS_IRQ NVIC_EXTI15_10_IRQ
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/* For HW Rev 5 and newer */
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#define USB_VBUS5_PORT GPIOA
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#define USB_VBUS5_PIN GPIO15
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#define LED_PORT GPIOB
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#define LED_PORT_UART GPIOB
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#define LED_0 GPIO2
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#define LED_1 GPIO10
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#define LED_2 GPIO11
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#define LED_UART LED_0
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#define LED_IDLE_RUN LED_1
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#define LED_ERROR LED_2
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/* OTG Flash HW Rev 5 and newer */
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#define OTG_PORT GPIOB
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#define OTG_CS GPIO5
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#define OTG_SCLK GPIO13
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#define OTG_COPI GPIO15
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#define OTG_CIPO GPIO14
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/* AUX Port HW Rev 5 and newer */
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#define AUX_PORT GPIOB
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#define AUX_SCLK_PORT AUX_PORT
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#define AUX_COPI_PORT AUX_PORT
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#define AUX_CIPO_PORT AUX_PORT
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#define AUX_FCS_PORT AUX_PORT
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#define AUX_SDCS_PORT AUX_PORT
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#define AUX_DCS_PORT AUX_PORT
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#define AUX_DDC_PORT AUX_PORT
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#define AUX_BTN1_PORT AUX_PORT
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#define AUX_BTN2_PORT AUX_PORT
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#define AUX_VBAT_PORT GPIOA
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#define AUX_SCLK GPIO13
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#define AUX_COPI GPIO15
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#define AUX_CIPO GPIO14
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#define AUX_FCS GPIO5
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#define AUX_SDCS GPIO6
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#define AUX_DCS GPIO6
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#define AUX_DCS6 GPIO7
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#define AUX_DDC GPIO8
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#define AUX_BTN1 GPIO12
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#define AUX_BTN2 GPIO9
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#define AUX_VBAT GPIO0
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# define SWD_CR GPIO_CRL(SWDIO_PORT)
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# define SWD_CR_MULT (1 << (4 << 2))
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#define TMS_SET_MODE() do { \
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gpio_set(TMS_DIR_PORT, TMS_DIR_PIN); \
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gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ, \
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GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN); \
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} while(0)
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#define SWDIO_MODE_FLOAT() do { \
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uint32_t cr = SWD_CR; \
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cr &= ~(0xf * SWD_CR_MULT); \
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cr |= (0x4 * SWD_CR_MULT); \
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GPIO_BRR(SWDIO_DIR_PORT) = SWDIO_DIR_PIN; \
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SWD_CR = cr; \
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} while(0)
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#define SWDIO_MODE_DRIVE() do { \
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uint32_t cr = SWD_CR; \
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cr &= ~(0xf * SWD_CR_MULT); \
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cr |= (0x1 * SWD_CR_MULT); \
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GPIO_BSRR(SWDIO_DIR_PORT) = SWDIO_DIR_PIN; \
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SWD_CR = cr; \
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} while(0)
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#define UART_PIN_SETUP() do { \
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gpio_set_mode(USBUSART_PORT, GPIO_MODE_OUTPUT_50_MHZ, \
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GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, USBUSART_TX_PIN); \
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gpio_set_mode(USBUSART_PORT, GPIO_MODE_INPUT, \
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GPIO_CNF_INPUT_PULL_UPDOWN, USBUSART_RX_PIN); \
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gpio_set(USBUSART_PORT, USBUSART_RX_PIN); \
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} while(0)
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#define USB_DRIVER st_usbfs_v1_usb_driver
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#define USB_IRQ NVIC_USB_LP_CAN_RX0_IRQ
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#define USB_ISR(x) usb_lp_can_rx0_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_USB_VBUS (14 << 4)
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#define IRQ_PRI_TRACE (0 << 4)
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#define USBUSART HW_SWITCH(6, USBUSART1, USBUSART2)
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#define USBUSART_IRQ HW_SWITCH(6, NVIC_USART1_IRQ, NVIC_USART2_IRQ)
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#define USBUSART_CLK HW_SWITCH(6, RCC_USART1, RCC_USART2)
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#define USBUSART_PORT GPIOA
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#define USBUSART_TX_PIN HW_SWITCH(6, GPIO9, GPIO2)
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#define USBUSART_RX_PIN HW_SWITCH(6, GPIO10, GPIO3)
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#define USBUSART_DMA_BUS DMA1
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#define USBUSART_DMA_CLK RCC_DMA1
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#define USBUSART_DMA_TX_CHAN HW_SWITCH(6, USBUSART1_DMA_TX_CHAN, USBUSART2_DMA_TX_CHAN)
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#define USBUSART_DMA_RX_CHAN HW_SWITCH(6, USBUSART1_DMA_RX_CHAN, USBUSART2_DMA_RX_CHAN)
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#define USBUSART_DMA_TX_IRQ HW_SWITCH(6, USBUSART1_DMA_TX_IRQ, USBUSART2_DMA_TX_IRQ)
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#define USBUSART_DMA_RX_IRQ HW_SWITCH(6, USBUSART1_DMA_RX_IRQ, USBUSART2_DMA_RX_IRQ)
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#define USBUSART1 USART1
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#define USBUSART1_IRQ NVIC_USART1_IRQ
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#define USBUSART1_ISR(x) usart1_isr(x)
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#define USBUSART1_DMA_TX_CHAN DMA_CHANNEL4
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#define USBUSART1_DMA_TX_IRQ NVIC_DMA1_CHANNEL4_IRQ
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#define USBUSART1_DMA_TX_ISR(x) dma1_channel4_isr(x)
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#define USBUSART1_DMA_RX_CHAN DMA_CHANNEL5
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#define USBUSART1_DMA_RX_IRQ NVIC_DMA1_CHANNEL5_IRQ
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#define USBUSART1_DMA_RX_ISR(x) dma1_channel5_isr(x)
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#define USBUSART2 USART2
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#define USBUSART2_IRQ NVIC_USART2_IRQ
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#define USBUSART2_ISR(x) usart2_isr(x)
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#define USBUSART2_DMA_TX_CHAN DMA_CHANNEL7
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#define USBUSART2_DMA_TX_IRQ NVIC_DMA1_CHANNEL7_IRQ
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#define USBUSART2_DMA_TX_ISR(x) dma1_channel7_isr(x)
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#define USBUSART2_DMA_RX_CHAN DMA_CHANNEL6
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#define USBUSART2_DMA_RX_IRQ NVIC_DMA1_CHANNEL6_IRQ
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#define USBUSART2_DMA_RX_ISR(x) dma1_channel6_isr(x)
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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 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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/*
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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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