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echo "Forcing reset_config to none to prevent OpenOCD from pulling SRST after the switch from LV is already performed"
reset_config none
jtag newtap $_CHIPNAME-lv tap -irlen 32 -ircapture 0x1 -irmask 0x1f -expected-id $_LVTAPID -expected-id $_CPUID
jtag configure $_CHIPNAME-lv.tap -event setup "jtag tapenable $_CHIPNAME.cpu"
jtag configure $_CHIPNAME-lv.tap -event tap-disable {}
jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_CPUID -disable
jtag configure $_CHIPNAME.cpu -event tap-enable "switch_lv_to_ejtag"
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME mips_m4k -endian little -chain-position $_TARGETNAME
proc switch_lv_to_ejtag {} {
global _CHIPNAME
poll 0
irscan $_CHIPNAME-lv.tap 0x143ff3a
drscan $_CHIPNAME-lv.tap 32 1
jtag tapdisable $_CHIPNAME-lv.tap
poll 1
}
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