Added stlink platform for Discovery boards and ST's ST-Link hardware.
This commit is contained in:
Gareth McMullin
parent
89bcdcc60a
commit
54f4467c0f
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@ -4,8 +4,8 @@ OBJCOPY = $(CROSS_COMPILE)objcopy
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CFLAGS += -Istm32/include -mcpu=cortex-m3 -mthumb -DSTM32F1
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LDFLAGS_BOOT = -lopencm3_stm32f1 -Wl,--defsym,_stack=0x20005000 \
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-Wl,-T,$(PLATFORM_DIR)/blackmagic.ld -nostartfiles -lc -lnosys -Wl,-Map=mapfile \
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-mthumb -mcpu=cortex-m3 -Wl,-gc-sections
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-Wl,-T,platforms/stm32/blackmagic.ld -nostartfiles -lc -lnosys \
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-Wl,-Map=mapfile -mthumb -mcpu=cortex-m3 -Wl,-gc-sections
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LDFLAGS = $(LDFLAGS_BOOT) -Wl,-Ttext=0x8002000
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VPATH += platforms/stm32
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@ -41,7 +41,6 @@ volatile uint32_t timeout_counter;
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jmp_buf fatal_error_jmpbuf;
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void morse(const char *msg, char repeat);
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static void morse_update(void);
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static void adc_init(void);
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@ -69,10 +68,8 @@ int platform_init(void)
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/* Enable peripherals */
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rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
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rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_TIM2EN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPDEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_AFIOEN);
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/* Setup GPIO ports */
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@ -0,0 +1,22 @@
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CROSS_COMPILE ?= arm-none-eabi-
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CC = $(CROSS_COMPILE)gcc
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OBJCOPY = $(CROSS_COMPILE)objcopy
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CFLAGS += -mcpu=cortex-m3 -mthumb -DSTM32F1
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LDFLAGS = -lopencm3_stm32f1 -Wl,--defsym,_stack=0x20005000 \
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-Wl,-T,platforms/stm32/blackmagic.ld -nostartfiles -lc -lnosys \
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-Wl,-Map=mapfile -mthumb -mcpu=cortex-m3 -Wl,-gc-sections
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VPATH += platforms/stm32
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SRC += cdcacm.c \
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platform.c \
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all: blackmagic.bin
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blackmagic.bin: blackmagic
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$(OBJCOPY) -O binary $^ $@
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host_clean:
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-rm blackmagic.bin
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@ -0,0 +1,306 @@
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/*
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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 a the USB Communications Device Class - Abstract
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* Control Model (CDC-ACM) as defined in CDC PSTN subclass 1.2.
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* A Device Firmware Upgrade (DFU 1.1) class interface is provided for
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* field firmware upgrade.
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*
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* The device's unique id is used as the USB serial number string.
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*/
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#include <libopencm3/stm32/f1/rcc.h>
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#include <libopencm3/stm32/nvic.h>
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#include <libopencm3/stm32/exti.h>
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#include <libopencm3/stm32/f1/gpio.h>
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#include <libopencm3/usb/usbd.h>
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#include <libopencm3/usb/cdc.h>
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#include <libopencm3/stm32/f1/scb.h>
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#include <libopencm3/usb/dfu.h>
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#include <stdlib.h>
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#include "platform.h"
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static char *get_dev_unique_id(char *serial_no);
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static int configured;
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static int cdcacm_gdb_dtr = 1;
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static const struct usb_device_descriptor dev = {
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.bLength = USB_DT_DEVICE_SIZE,
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.bDescriptorType = USB_DT_DEVICE,
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.bcdUSB = 0x0200,
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.bDeviceClass = 0xEF, /* Miscellaneous Device */
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.bDeviceSubClass = 2, /* Common Class */
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.bDeviceProtocol = 1, /* Interface Association */
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.bMaxPacketSize0 = 64,
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.idVendor = 0x1D50,
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.idProduct = 0x6018,
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.bcdDevice = 0x0100,
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.iManufacturer = 1,
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.iProduct = 2,
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.iSerialNumber = 3,
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.bNumConfigurations = 1,
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};
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/* This notification endpoint isn't implemented. According to CDC spec its
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* optional, but its absence causes a NULL pointer dereference in Linux cdc_acm
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* driver. */
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static const struct usb_endpoint_descriptor gdb_comm_endp[] = {{
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = 0x82,
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.bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
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.wMaxPacketSize = 16,
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.bInterval = 255,
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}};
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static const struct usb_endpoint_descriptor gdb_data_endp[] = {{
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = 0x01,
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.bmAttributes = USB_ENDPOINT_ATTR_BULK,
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.wMaxPacketSize = CDCACM_PACKET_SIZE,
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.bInterval = 1,
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}, {
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.bLength = USB_DT_ENDPOINT_SIZE,
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.bDescriptorType = USB_DT_ENDPOINT,
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.bEndpointAddress = 0x81,
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.bmAttributes = USB_ENDPOINT_ATTR_BULK,
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.wMaxPacketSize = CDCACM_PACKET_SIZE,
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.bInterval = 1,
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}};
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static const struct {
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struct usb_cdc_header_descriptor header;
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struct usb_cdc_call_management_descriptor call_mgmt;
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struct usb_cdc_acm_descriptor acm;
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struct usb_cdc_union_descriptor cdc_union;
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} __attribute__((packed)) gdb_cdcacm_functional_descriptors = {
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.header = {
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.bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
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.bDescriptorType = CS_INTERFACE,
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.bDescriptorSubtype = USB_CDC_TYPE_HEADER,
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.bcdCDC = 0x0110,
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},
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.call_mgmt = {
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.bFunctionLength =
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sizeof(struct usb_cdc_call_management_descriptor),
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.bDescriptorType = CS_INTERFACE,
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.bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
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.bmCapabilities = 0,
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.bDataInterface = 1,
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},
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.acm = {
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.bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
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.bDescriptorType = CS_INTERFACE,
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.bDescriptorSubtype = USB_CDC_TYPE_ACM,
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.bmCapabilities = 2, /* SET_LINE_CODING supported */
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},
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.cdc_union = {
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.bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
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.bDescriptorType = CS_INTERFACE,
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.bDescriptorSubtype = USB_CDC_TYPE_UNION,
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.bControlInterface = 0,
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.bSubordinateInterface0 = 1,
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}
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};
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static const struct usb_interface_descriptor gdb_comm_iface[] = {{
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.bLength = USB_DT_INTERFACE_SIZE,
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_CLASS_CDC,
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.bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
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.bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
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.iInterface = 4,
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.endpoint = gdb_comm_endp,
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.extra = &gdb_cdcacm_functional_descriptors,
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.extralen = sizeof(gdb_cdcacm_functional_descriptors)
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}};
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static const struct usb_interface_descriptor gdb_data_iface[] = {{
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.bLength = USB_DT_INTERFACE_SIZE,
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 1,
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.bAlternateSetting = 0,
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.bNumEndpoints = 2,
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.bInterfaceClass = USB_CLASS_DATA,
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.bInterfaceSubClass = 0,
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.bInterfaceProtocol = 0,
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.iInterface = 0,
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.endpoint = gdb_data_endp,
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}};
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static const struct usb_iface_assoc_descriptor gdb_assoc = {
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.bLength = USB_DT_INTERFACE_ASSOCIATION_SIZE,
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.bDescriptorType = USB_DT_INTERFACE_ASSOCIATION,
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.bFirstInterface = 0,
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.bInterfaceCount = 2,
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.bFunctionClass = USB_CLASS_CDC,
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.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
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.bFunctionProtocol = USB_CDC_PROTOCOL_AT,
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.iFunction = 0,
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};
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static const struct usb_interface ifaces[] = {{
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.num_altsetting = 1,
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.iface_assoc = &gdb_assoc,
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.altsetting = gdb_comm_iface,
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}, {
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.num_altsetting = 1,
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.altsetting = gdb_data_iface,
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}};
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static const struct usb_config_descriptor config = {
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.bLength = USB_DT_CONFIGURATION_SIZE,
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.bDescriptorType = USB_DT_CONFIGURATION,
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.wTotalLength = 0,
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.bNumInterfaces = 2,
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.bConfigurationValue = 1,
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.iConfiguration = 0,
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.bmAttributes = 0x80,
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.bMaxPower = 0x32,
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.interface = ifaces,
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};
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char serial_no[9];
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static const char *usb_strings[] = {
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"x",
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"Black Sphere Technologies",
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"Black Magic Probe",
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serial_no,
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"Black Magic GDB Server",
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};
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static int cdcacm_control_request(struct usb_setup_data *req, uint8_t **buf,
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uint16_t *len, void (**complete)(struct usb_setup_data *req))
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{
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(void)complete;
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(void)buf;
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(void)len;
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switch(req->bRequest) {
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case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
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/* Ignore if not for GDB interface */
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if(req->wIndex != 0)
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return 1;
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cdcacm_gdb_dtr = req->wValue & 1;
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return 1;
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case USB_CDC_REQ_SET_LINE_CODING:
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if(*len < sizeof(struct usb_cdc_line_coding))
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return 0;
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switch(req->wIndex) {
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case 0:
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return 1; /* Ignore on GDB Port */
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default:
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return 0;
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}
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}
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return 0;
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}
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int cdcacm_get_config(void)
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{
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return configured;
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}
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int cdcacm_get_dtr(void)
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{
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return cdcacm_gdb_dtr;
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}
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static void cdcacm_set_config(u16 wValue)
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{
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configured = wValue;
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/* GDB interface */
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usbd_ep_setup(0x01, USB_ENDPOINT_ATTR_BULK, CDCACM_PACKET_SIZE, NULL);
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usbd_ep_setup(0x81, USB_ENDPOINT_ATTR_BULK, CDCACM_PACKET_SIZE, NULL);
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usbd_ep_setup(0x82, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
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usbd_register_control_callback(
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USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
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USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
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cdcacm_control_request);
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/* Notify the host that DCD is asserted.
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* Allows the use of /dev/tty* devices on *BSD/MacOS
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*/
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char buf[10];
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struct usb_cdc_notification *notif = (void*)buf;
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/* We echo signals back to host as notification */
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notif->bmRequestType = 0xA1;
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notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
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notif->wValue = 0;
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notif->wIndex = 0;
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notif->wLength = 2;
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buf[8] = 3; /* DCD | DSR */
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buf[9] = 0;
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usbd_ep_write_packet(0x82, buf, 10);
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}
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void cdcacm_init(void)
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{
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void exti15_10_isr(void);
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get_dev_unique_id(serial_no);
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usbd_init(&stm32f103_usb_driver, &dev, &config, usb_strings);
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usbd_register_set_config_callback(cdcacm_set_config);
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nvic_enable_irq(NVIC_USB_LP_CAN_RX0_IRQ);
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}
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void usb_lp_can_rx0_isr(void)
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{
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usbd_poll();
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}
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static char *get_dev_unique_id(char *s)
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{
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volatile uint32_t *unique_id_p = (volatile uint32_t *)0x1FFFF7E8;
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uint32_t unique_id = *unique_id_p +
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*(unique_id_p + 1) +
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*(unique_id_p + 2);
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int i;
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/* Fetch serial number from chip's unique ID */
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for(i = 0; i < 8; i++) {
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s[7-i] = ((unique_id >> (4*i)) & 0xF) + '0';
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}
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for(i = 0; i < 8; i++)
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if(s[i] > '9')
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s[i] += 'A' - '9' - 1;
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s[8] = 0;
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return s;
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}
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@ -0,0 +1,96 @@
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/*
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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
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
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* This program 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 General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* 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 ST-Link
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* implementation.
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*/
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#include <libopencm3/stm32/f1/rcc.h>
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#include <libopencm3/stm32/systick.h>
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#include <libopencm3/stm32/f1/scb.h>
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#include <libopencm3/stm32/nvic.h>
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#include <libopencm3/stm32/usart.h>
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#include <libopencm3/usb/usbd.h>
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#include <libopencm3/stm32/f1/adc.h>
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#include "platform.h"
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#include "jtag_scan.h"
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#include <ctype.h>
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uint8_t running_status;
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volatile uint32_t timeout_counter;
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jmp_buf fatal_error_jmpbuf;
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int platform_init(void)
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{
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rcc_clock_setup_in_hse_8mhz_out_72mhz();
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/* Enable peripherals */
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rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USBEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPAEN);
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rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPBEN);
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/* Setup GPIO ports */
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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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gpio_set_mode(TCK_PORT, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, TCK_PIN);
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gpio_set_mode(TDI_PORT, GPIO_MODE_OUTPUT_50_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, TDI_PIN);
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gpio_set_mode(LED_PORT, GPIO_MODE_OUTPUT_2_MHZ,
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GPIO_CNF_OUTPUT_PUSHPULL, LED_IDLE_RUN);
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/* Setup heartbeat timer */
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systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
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systick_set_reload(900000); /* Interrupt us at 10 Hz */
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systick_interrupt_enable();
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systick_counter_enable();
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cdcacm_init();
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jtag_scan();
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return 0;
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}
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void sys_tick_handler(void)
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{
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if(running_status)
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gpio_toggle(LED_PORT, LED_IDLE_RUN);
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if(timeout_counter)
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timeout_counter--;
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}
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const char *morse_msg;
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|
||||
void morse(const char *msg, char repeat)
|
||||
{
|
||||
(void)repeat;
|
||||
morse_msg = msg;
|
||||
}
|
||||
|
||||
const char *platform_target_voltage(void)
|
||||
{
|
||||
return "unknown";
|
||||
}
|
||||
|
|
@ -0,0 +1,142 @@
|
|||
/*
|
||||
* This file is part of the Black Magic Debug project.
|
||||
*
|
||||
* Copyright (C) 2011 Black Sphere Technologies Ltd.
|
||||
* Written by Gareth McMullin <gareth@blacksphere.co.nz>
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program 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 General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/* This file implements the platform specific functions for the STM32
|
||||
* implementation.
|
||||
*/
|
||||
#ifndef __PLATFORM_H
|
||||
#define __PLATFORM_H
|
||||
|
||||
#include <libopencm3/stm32/f1/gpio.h>
|
||||
|
||||
#include <setjmp.h>
|
||||
#include <alloca.h>
|
||||
|
||||
#include "gdb_packet.h"
|
||||
|
||||
#define INLINE_GPIO
|
||||
#define CDCACM_PACKET_SIZE 64
|
||||
#define CDCACM_GDB_ENDPOINT 1
|
||||
|
||||
/* Important pin mappings for STM32 implementation:
|
||||
*
|
||||
* LED0 = PB2 (Yellow LED : Running)
|
||||
* LED1 = PB10 (Yellow LED : Idle)
|
||||
* LED2 = PB11 (Red LED : Error)
|
||||
*
|
||||
* TPWR = RB0 (input) -- analogue on mini design ADC1, ch8
|
||||
* nTRST = PB1
|
||||
* SRST_OUT = PA2
|
||||
* TDI = PA3
|
||||
* TMS = PA4 (input for SWDP)
|
||||
* TCK = PA5
|
||||
* TDO = PA6 (input)
|
||||
* nSRST = PA7 (input)
|
||||
*
|
||||
* USB cable pull-up: PA8
|
||||
* USB VBUS detect: PB13 -- New on mini design.
|
||||
* Enable pull up for compatibility.
|
||||
* Force DFU mode button: PB12
|
||||
*/
|
||||
|
||||
/* Hardware definitions... */
|
||||
#define TDI_PORT GPIOA
|
||||
#define TMS_PORT GPIOB
|
||||
#define TCK_PORT GPIOA
|
||||
#define TDO_PORT GPIOA
|
||||
#define TDI_PIN GPIO7
|
||||
#define TMS_PIN GPIO14
|
||||
#define TCK_PIN GPIO5
|
||||
#define TDO_PIN GPIO6
|
||||
|
||||
#define SWDIO_PORT TMS_PORT
|
||||
#define SWCLK_PORT TCK_PORT
|
||||
#define SWDIO_PIN TMS_PIN
|
||||
#define SWCLK_PIN TCK_PIN
|
||||
|
||||
#define LED_PORT GPIOA
|
||||
#define LED_IDLE_RUN GPIO8
|
||||
|
||||
#define DEBUG(...)
|
||||
|
||||
extern uint8_t running_status;
|
||||
extern volatile uint32_t timeout_counter;
|
||||
|
||||
extern jmp_buf fatal_error_jmpbuf;
|
||||
|
||||
extern const char *morse_msg;
|
||||
|
||||
#define gpio_set_val(port, pin, val) do { \
|
||||
if(val) \
|
||||
gpio_set((port), (pin)); \
|
||||
else \
|
||||
gpio_clear((port), (pin)); \
|
||||
} while(0)
|
||||
|
||||
#define SET_RUN_STATE(state) {running_status = (state);}
|
||||
#define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, LED_IDLE_RUN, state);}
|
||||
|
||||
#define PLATFORM_SET_FATAL_ERROR_RECOVERY() {setjmp(fatal_error_jmpbuf);}
|
||||
#define PLATFORM_FATAL_ERROR(error) { \
|
||||
if(running_status) gdb_putpacketz("X1D"); \
|
||||
else gdb_putpacketz("EFF"); \
|
||||
running_status = 0; \
|
||||
TARGET_LIST_FREE(); \
|
||||
cur_target = last_target = NULL; \
|
||||
longjmp(fatal_error_jmpbuf, (error)); \
|
||||
}
|
||||
|
||||
int platform_init(void);
|
||||
void morse(const char *msg, char repeat);
|
||||
const char *platform_target_voltage(void);
|
||||
|
||||
/* <cdcacm.c> */
|
||||
void cdcacm_init(void);
|
||||
/* Returns current usb configuration, or 0 if not configured. */
|
||||
int cdcacm_get_config(void);
|
||||
int cdcacm_get_dtr(void);
|
||||
|
||||
/* Use newlib provided integer only stdio functions */
|
||||
#define sscanf siscanf
|
||||
#define sprintf siprintf
|
||||
#define vasprintf vasiprintf
|
||||
|
||||
#ifdef INLINE_GPIO
|
||||
static inline void _gpio_set(u32 gpioport, u16 gpios)
|
||||
{
|
||||
GPIO_BSRR(gpioport) = gpios;
|
||||
}
|
||||
#define gpio_set _gpio_set
|
||||
|
||||
static inline void _gpio_clear(u32 gpioport, u16 gpios)
|
||||
{
|
||||
GPIO_BRR(gpioport) = gpios;
|
||||
}
|
||||
#define gpio_clear _gpio_clear
|
||||
|
||||
static inline u16 _gpio_get(u32 gpioport, u16 gpios)
|
||||
{
|
||||
return (u16)GPIO_IDR(gpioport) & gpios;
|
||||
}
|
||||
#define gpio_get _gpio_get
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
|
|
@ -41,19 +41,23 @@ int jtagtap_init(void)
|
|||
|
||||
void jtagtap_reset(void)
|
||||
{
|
||||
#ifdef TRST_PORT
|
||||
volatile int i;
|
||||
gpio_clear(TRST_PORT, TRST_PIN);
|
||||
for(i = 0; i < 10000; i++) asm("nop");
|
||||
gpio_set(TRST_PORT, TRST_PIN);
|
||||
#endif
|
||||
jtagtap_soft_reset();
|
||||
}
|
||||
|
||||
void jtagtap_srst(void)
|
||||
{
|
||||
#ifdef SRST_PORT
|
||||
volatile int i;
|
||||
gpio_set(SRST_PORT, SRST_PIN);
|
||||
for(i = 0; i < 10000; i++) asm("nop");
|
||||
gpio_clear(SRST_PORT, SRST_PIN);
|
||||
#endif
|
||||
}
|
||||
|
||||
inline uint8_t jtagtap_next(uint8_t dTMS, uint8_t dTDO)
|
||||
|
|
|
|||
Loading…
Reference in New Issue