mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
39 lines
964 B
Makefile
39 lines
964 B
Makefile
# Raspberry Pi GPIO as debug adapter
|
|
|
|
# Numbers are GPIO numbers
|
|
SWCLK_PIN ?= 21
|
|
SWDIO_PIN ?= 20
|
|
SRST_PIN ?= 16
|
|
|
|
ifeq (1, $(shell grep ARMv6 /proc/cpuinfo > /dev/null; echo $$?))
|
|
ifeq (0, $(shell grep [[:lower:]]0311[[:digit:]] /proc/cpuinfo > /dev/null; echo $$?))
|
|
# raspi4
|
|
PERIPH_BASE = 0xFE000000
|
|
SPEED_COEFF = 236181
|
|
SPEED_OFFSET = 60
|
|
else
|
|
# raspi2, 3
|
|
PERIPH_BASE = 0x3F000000
|
|
SPEED_COEFF = 146203
|
|
SPEED_OFFSET = 36
|
|
endif
|
|
else
|
|
# raspi1
|
|
PERIPH_BASE = 0x20000000
|
|
SPEED_COEFF = 113714
|
|
SPEED_OFFSET = 28
|
|
endif
|
|
|
|
OPENOCD_ADAPTER_INIT ?= \
|
|
-c 'adapter driver bcm2835gpio' \
|
|
-c 'bcm2835gpio_peripheral_base $(PERIPH_BASE)' \
|
|
-c 'bcm2835gpio_speed_coeffs $(SPEED_COEFF) $(SPEED_OFFSET)' \
|
|
-c 'bcm2835gpio_swd_nums $(SWCLK_PIN) $(SWDIO_PIN)' \
|
|
-c 'bcm2835gpio_srst_num $(SRST_PIN)'
|
|
|
|
# Default to SWD
|
|
OPENOCD_TRANSPORT ?= swd
|
|
|
|
# bcm2835gpio needs access to /dev/mem
|
|
export OPENOCD ?= sudo -E openocd
|