RTL-8710 openocd support

OpenOCD support for RTL8710 and integrated flash.

pins:

SWD

SWDIO: GE3
SWCLK: GE4

JTAG

TRST: GE0
TDI: GE1
TDO: GE2
TMS: GE3
TCK: GE4

building:

make

available OpenOCD commands:

rtl8710_flash_read_id

read and parse the jedec id bytes from flash

rtl8710_flash_mass_erase

erase whole flash

rtl8710_flash_read [filename] [offset] [size]

dump (size) bytes from flash offset (offset) to file (filename)

rtl8710_flash_write [filename] [offset]

write file (filename) to flash offset (offset)

rtl8710_flash_verify [filename] [offset]

compare file (filename) with flash offset (offset)

rtl8710_flash_auto_erase [1/0]

set auto_erase option on/off. flash pages will be autoerased when writing

rtl8710_flash_auto_verify [1/0]

set auto_verify on/off. each block of data will be auto verified when writing

example:

openocd -f interface/stlink-v2-1.cfg -f rtl8710.ocd -c "init" -c "reset halt" -c "rtl8710_flash_read_id" -c "rtl8710_flash_read dump.bin 0 1048576" -c "shutdown"

openocd -f interface/stlink-v2-1.cfg -f rtl8710.ocd -c "init" -c "reset halt" -c "rtl8710_flash_auto_erase 1" -c "rtl8710_flash_auto_verify 1" -c "rtl8710_flash_write dump.bin 0" -c "shutdown"

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