201 lines
4.6 KiB
C

/*
* This file is part of the Black Magic Debug project.
*
* Copyright (C) 2018 Flirc Inc.
* Written by Jason Kotzin <jasonkotzin@gmail.com>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PLATFORM_H
#define __PLATFORM_H
#include <libopencm3/sam/d/port.h>
#include <libopencm3/usb/usbd.h>
#include "timing.h"
#include "version.h"
//#define PLATFORM_HAS_DEBUG
//#define USBUART_DEBUG
#define PLATFORM_HAS_UART_WHEN_SWDP
#define BOARD_IDENT "Black Magic Probe (SAMD), (Firmware " FIRMWARE_VERSION ")"
#define BOARD_IDENT_DFU "Black Magic (Upgrade) for Launchpad, (Firmware " FIRMWARE_VERSION ")"
#define DFU_IDENT "Black Magic Firmware Upgrade (SAMD)"
#define DFU_IFACE_STRING "hid"
extern uint8_t running_status;
#ifdef DEBUG_ME
#define LED_PORT PORTA
#define LED_IDLE_RUN GPIO11
#define LED_ERROR GPIO10
#define TMS_PORT PORTA
#define TMS_PIN GPIO1
#define TCK_PORT PORTA
#define TCK_PIN GPIO2
#define TDI_PORT PORTA
#define TDI_PIN GPIO3
#define TDO_PORT PORTA
#define TDO_PIN GPIO3
#define SWO_PORT PORTA
#define SWO_PIN GPIO6
#define SWDIO_PORT PORTA
#define SWDIO_PIN TMS_PIN
#define SWDIO_PIN_NUM 1
#define SWCLK_PORT PORTA
#define SWCLK_PIN TCK_PIN
#define SRST_PORT PORTA
#define SRST_PIN GPIO7
#define LED_PORT_UART PORTA
#define LED_UART GPIO12
#define UART_TX_PIN GPIO4
#define UART_RX_PIN GPIO5
#define UART_PERIPH SOC_GPIO_PERIPH_D
#define ADC_PORT PORTA
#define ADC_REF_PIN GPIO3
#define ADC_POS_PIN GPIO8
#else
/* Hardware definitions... */
#define JTAG_PORT PORTA
#define TDI_PORT JTAG_PORT
#define TMS_DIR_PORT JTAG_PORT
#define TMS_PORT JTAG_PORT
#define TCK_PORT JTAG_PORT
#define TDO_PORT JTAG_PORT
#define TMS_DIR_PIN GPIO15
#define TMS_PIN GPIO0
#define TCK_PIN GPIO1
#define TDI_PIN GPIO5
#define TDO_PIN GPIO4
#define SWDIO_DIR_PORT JTAG_PORT
#define SWDIO_PORT JTAG_PORT
#define SWCLK_PORT JTAG_PORT
#define SWDIO_DIR_PIN TMS_DIR_PIN
#define SWDIO_PIN TMS_PIN
#define SWDIO_PIN_NUM 0
#define SWCLK_PIN TCK_PIN
#define TRST_PORT PORTA
#define TRST_PIN GPIO27
#define PWR_BR_PORT GPIOA
#define PWR_BR_PIN GPIO28
#define SRST_PORT PORTA
#define SRST_PIN GPIO8
#define SRST_SENSE_PORT GPIOA
#define SRST_SENSE_PIN GPIO9
#define TRGT_SENSE GPIO2
#define LED_PORT PORTA
#define LED_PORT_UART PORTA
#define LED_0 GPIO10
#define LED_1 GPIO11
#define LED_2 GPIO14
//#define LED_2 GPIO13
#define LED_UART LED_1 /* Orange */
#define LED_IDLE_RUN LED_0 /* Yellow */
#define LED_ERROR LED_2 /* Red */
#define UART_TX_PIN GPIO4
#define UART_RX_PIN GPIO5
#define UART_PERIPH SOC_GPIO_PERIPH_D
#define SWO_PORT JTAG_PORT
#define SWO_PIN SWD_PIN
#define ADC_PORT PORTA
#define ADC_REF_PIN GPIO3
#define ADC_POS_PIN TRGT_SENSE
#endif
#define TMS_SET_MODE() { \
gpio_config_output(TMS_PORT, TMS_PIN, 0); \
}
#define SWDIO_MODE_FLOAT() do { \
PORT_DIRCLR(SWDIO_PORT) = SWDIO_PIN; \
gpio_set(SWDIO_PORT, SWDIO_PIN); \
} while(0)
#define SWDIO_MODE_DRIVE() do { \
PORT_DIRSET(SWDIO_PORT) = SWDIO_PIN; \
} while(0)
/* extern usbd_driver samd21_usb_driver; */
#define USB_DRIVER samd21_usb_driver
#define USB_IRQ NVIC_USB_IRQ
#define USB_ISR usb_isr
#define IRQ_PRI_USB (2 << 4)
#define INLINE_GPIO
#define gpio_set_val(port, pin, val) do { \
if(val) \
_gpio_set((port), (pin)); \
else \
_gpio_clear((port), (pin)); \
} while(0)
#ifdef INLINE_GPIO
static inline void _gpio_set(uint32_t gpioport, uint32_t gpios)
{
PORT_OUTSET(gpioport) = gpios;
}
#define gpio_set _gpio_set
static inline void _gpio_clear(uint32_t gpioport, uint32_t gpios)
{
PORT_OUTCLR(gpioport) = gpios;
}
#define gpio_clear _gpio_clear
static inline uint16_t _gpio_get(uint32_t gpioport, uint32_t gpios)
{
return (uint32_t)PORT_IN(gpioport) & gpios;
}
#define gpio_get _gpio_get
#endif
#define DEBUG(...)
#define SET_RUN_STATE(state) {running_status = (state);}
#define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, LED_IDLE_RUN, state);}
#define SET_ERROR_STATE(state) {gpio_set_val(LED_PORT, LED_ERROR, state);}
static inline int platform_hwversion(void)
{
return 0;
}
void uart_pop(void);
void platform_convert_tdio(void);
#endif