riscv-openocd/tcl/target/samsung_s3c2450.cfg

# Target configuration for the Samsung 2450 system on chip
# Processor       : ARM926ejs (wb) rev 0 (v4l)
# Info:   JTAG tap: s3c2450.cpu tap/device found: 0x07926F0F


# FIX!!! what to use here?
#
# RCLK?
#
# adapter_khz 0
#
# Really low clock during reset?
#
# adapter_khz 1

if { [info exists CHIPNAME] } {
  set _CHIPNAME $CHIPNAME
} else {
  set _CHIPNAME s3c2450
}

if { [info exists ENDIAN] } {
  set _ENDIAN $ENDIAN
} else {
 # this defaults to a bigendian
  set _ENDIAN little
}

if { [info exists CPUTAPID] } {
  set _CPUTAPID $CPUTAPID
} else {
  set _CPUTAPID 0x07926f0f
}

#jtag scan chain
jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0xE -irmask 0x0f -expected-id $_CPUTAPID

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm926ejs

# FIX!!!!! should this really use srst_pulls_trst?
# With srst_pulls_trst "reset halt" will not reset into the
# halted mode, but rather "reset run" and then halt the target.
#
# However, without "srst_pulls_trst", then "reset halt" produces weird
# errors:
# WARNING: unknown debug reason: 0x0
reset_config trst_and_srst