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# SPDX-License-Identifier: GPL-2.0-or-later
# 1986ВЕ1Т
# http://milandr.ru/index.php?mact=Products,cntnt01,details,0&cntnt01productid=236&cntnt01returnid=68
source [find target/swj-dp.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME 1986ве1т
}
if { [info exists ENDIAN] } {
set _ENDIAN $ENDIAN
} else {
set _ENDIAN little
}
# Work-area is a space in RAM used for flash programming
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x4000
}
#jtag scan chain
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
if { [using_jtag] } {
set _CPUTAPID 0x4ba00477
} {
# SWD IDCODE
set _CPUTAPID 0x2ba01477
}
}
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
# use AHB-Lite SRAM for work area
$_TARGETNAME configure -work-area-phys 0x20100000 -work-area-size $_WORKAREASIZE -work-area-backup 0
# can't handle overlapping memory regions
if { [info exists IMEMORY] && [string equal $IMEMORY true] } {
flash bank ${_CHIPNAME}_info.flash mdr 0x00000000 0x01000 0 0 $_TARGETNAME 1 1 4
} else {
flash bank $_CHIPNAME.flash mdr 0x00000000 0x20000 0 0 $_TARGETNAME 0 32 4
}
# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz
adapter speed 1000
adapter srst delay 100
if {[using_jtag]} {
jtag_ntrst_delay 100
}
if {![using_hla]} {
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
}
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