openocd pic32mx configuration file.

pic32mx.cfg

debug_level 0
#log_output flash.log

# Daemon configuration
telnet_port 0
tcl_port    0
gdb_port    0


interface ft2232
ft2232_device_desc "Olimex OpenOCD JTAG"
ft2232_layout olimex-jtag
ft2232_vid_pid 0x15ba 0x0003
ft2232_latency 1

adapter_khz 1000
adapter_nsrst_delay 100
jtag_ntrst_delay 100

#jtag scan chain
#format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
jtag newtap pic32mx cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id 0x50974053

target create pic32mx.cpu mips_m4k -endian little -chain-position pic32mx.cpu

#
# At reset the pic32mx does not allow code execution from RAM
# we have to setup the BMX registers to allow this.
# One limitation is that we loose the first 2k of RAM.
#

global _PIC32MX_DATASIZE
global _WORKAREASIZE
set _PIC32MX_DATASIZE 0x800
set _WORKAREASIZE	0x8000
set _PIC32MX_PROGSIZE [expr ($_WORKAREASIZE - $_PIC32MX_DATASIZE)]

pic32mx.cpu configure -work-area-phys 0xa0000800 -work-area-size $_PIC32MX_PROGSIZE -work-area-backup 0
pic32mx.cpu configure -event reset-init {
	#
	# from reset the pic32 cannot execute code in ram - enable ram execution
	# minimum offset from start of ram is 2k
	#

	global _PIC32MX_DATASIZE
	global _WORKAREASIZE

	# BMXCON
	mww 0xbf882000 0x001f0040
	# BMXDKPBA: 2k kernel data @ 0xa0000800
	mww 0xbf882010 $_PIC32MX_DATASIZE
	# BMXDUDBA: 14k kernel program @ 0xa0000800 - (BMXDUDBA - BMXDKPBA)
	mww 0xbf882020 $_WORKAREASIZE
	# BMXDUPBA: 0k user program - (BMXDUPBA - BMXDUDBA)
	mww 0xbf882030 $_WORKAREASIZE
}

reset_config trst_and_srst

flash bank pic32mx.flash0 pic32mx 0x1fc00000 0x3000 4 4 pic32mx.cpu
# add virtual banks for kseg0 and kseg1
flash bank vbank0 virtual 0xbfc00000 0x3000 4 4 pic32mx.cpu pic32mx.flash0
flash bank vbank1 virtual 0x9fc00000 0x3000 4 4 pic32mx.cpu pic32mx.flash0

flash bank pic32mx.flash1 pic32mx 0x1d000000 0x80000 4 4 pic32mx.cpu
# add virtual banks for kseg0 and kseg1
flash bank vbank2 virtual 0xbd000000 0x80000 4 4 pic32mx.cpu pic32mx.flash1
flash bank vbank3 virtual 0x9d000000 0x80000 4 4 pic32mx.cpu pic32mx.flash1

init
reset init
poll

echo "+------------------------------------------------+"
echo "|            Erase Flash                         |"
echo "+------------------------------------------------+"

#pic32 unlock erase all the flash memory, no need to do it twice.

pic32mx unlock pic32mx.flash1
reset init

#mdw 0xbfc00000 40
#mdw 0xbd000000 40

echo "+------------------------------------------------+"
echo "|            Program Image                       |"
echo "+------------------------------------------------+"

set _IMAGE image.elf
flash write_image $_IMAGE

#mdw 0xbfc00000 40
#mdw 0xbd000000 40

echo "+------------------------------------------------+"
echo "|            Verify Image                        |"
echo "+------------------------------------------------+"

verify_image $_IMAGE

reset halt
shutdown