openocd/tcl/target/swm050.cfg
Caleb Szalacinski 5a235226f0 flash/nor: flash driver for Synwit SWM050 MCUs
SWM050 is a series of MCU product by Foshan Synwit Tech, which is
available in TSSOP-8 or SSOP-16 packages.

Adds flash driver for the internal 8KiB flash of the MCU. The registers
are based on reverse engineering the J-Flash blob provided by the
vendor.

Also adds a pre-made cfg file.

Change-Id: I0b29f0c0d062883542ee743e0750a4c6b6609ebd
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Caleb Szalacinski <contact@skiboy.net>
Reviewed-on: http://openocd.zylin.com/4927
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
2019-09-08 11:53:12 +01:00

46 lines
1.1 KiB
INI

# Synwit SWM050
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME swm050
}
set _CHIPSERIES swm050
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x400
}
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
set _CPUTAPID 0x410CC200
}
swd newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -dap $_CHIPNAME.dap
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME swm050 0x0 0x2000 0 0 $_TARGETNAME
$_TARGETNAME configure -event reset-init {
# Stop the watchdog, just to be safe
mww 0x40019000 0x00
# Set clock divider value to 1
mww 0x400F0000 0x01
# Set system clock to 18Mhz
mww 0x400F0008 0x00
}
# SWM050 (Cortex-M0 core) supports SYSRESETREQ
if {![using_hla]} {
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
}