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openocd/tcl/target/stm32mp15x.cfg
Antonio Borneo e6505b0489 tcl/target: add SPDX tag 
For historical reasons, no license information was added to the
tcl files. This makes trivial adding the SPDX tag through script:
	fgrep -rL SPDX tcl/ target| while read a;do \
	sed -i '1{i# SPDX-License-Identifier: GPL-2.0-or-later\n
	}' $a;done

With no specific license information from the author, let's extend
the OpenOCD project license GPL-2.0-or-later to the files.

Change-Id: I7b2610300b24cccd07bfa6fb5f1266970d5d3a1b
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7027
Tested-by: jenkins
2022-06-24 21:53:35 +00:00

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# SPDX-License-Identifier: GPL-2.0-or-later
# STMicroelectronics STM32MP15x (Single/Dual Cortex-A7 plus Cortex-M4)
# http://www.st.com/stm32mp1
# HLA does not support multi-cores nor custom CSW nor AP other than 0
if { [using_hla] } {
echo "ERROR: HLA transport cannot work with this target."
echo "ERROR: To use STLink switch to DAP mode, as in \"board/stm32mp15x_dk2.cfg\"."
shutdown
}
source [find target/swj-dp.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32mp15x
}
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
if { [using_jtag] } {
set _CPUTAPID 0x6ba00477
} else {
set _CPUTAPID 0x6ba02477
}
}
# Chip Level TAP Controller, only in jtag mode
if { [info exists CLCTAPID] } {
set _CLCTAPID $CLCTAPID
} else {
set _CLCTAPID 0x06500041
}
swj_newdap $_CHIPNAME tap -expected-id $_CPUTAPID -irlen 4
if { [using_jtag] } {
jtag newtap $_CHIPNAME.clc tap -expected-id $_CLCTAPID -irlen 5
}
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.tap -ignore-syspwrupack
# FIXME: Cortex-M code requires target accessible during reset, but this is not possible in STM32MP1
# so defer-examine it until the reset framework get merged
# NOTE: keep ap-num and dbgbase to speed-up examine after reset
# NOTE: do not change the order of target create
target create $_CHIPNAME.ap1 mem_ap -dap $_CHIPNAME.dap -ap-num 1
target create $_CHIPNAME.ap2 mem_ap -dap $_CHIPNAME.dap -ap-num 2
target create $_CHIPNAME.axi mem_ap -dap $_CHIPNAME.dap -ap-num 0
target create $_CHIPNAME.cpu0 cortex_a -dap $_CHIPNAME.dap -ap-num 1 -coreid 0 -dbgbase 0xE00D0000
target create $_CHIPNAME.cpu1 cortex_a -dap $_CHIPNAME.dap -ap-num 1 -coreid 1 -dbgbase 0xE00D2000
target create $_CHIPNAME.cm4 cortex_m -dap $_CHIPNAME.dap -ap-num 2 -defer-examine
targets $_CHIPNAME.cpu0
target smp $_CHIPNAME.cpu0 $_CHIPNAME.cpu1
$_CHIPNAME.cpu0 cortex_a maskisr on
$_CHIPNAME.cpu1 cortex_a maskisr on
$_CHIPNAME.cpu0 cortex_a dacrfixup on
$_CHIPNAME.cpu1 cortex_a dacrfixup on
cti create $_CHIPNAME.cti.sys -dap $_CHIPNAME.dap -ap-num 1 -baseaddr 0xE0094000
cti create $_CHIPNAME.cti.cpu0 -dap $_CHIPNAME.dap -ap-num 1 -baseaddr 0xE00D8000
cti create $_CHIPNAME.cti.cpu1 -dap $_CHIPNAME.dap -ap-num 1 -baseaddr 0xE00D9000
cti create $_CHIPNAME.cti.cm4 -dap $_CHIPNAME.dap -ap-num 2 -baseaddr 0xE0043000
swo create $_CHIPNAME.swo -dap $_CHIPNAME.dap -ap-num 1 -baseaddr 0xE0083000
tpiu create $_CHIPNAME.tpiu -dap $_CHIPNAME.dap -ap-num 1 -baseaddr 0xE0093000
# interface does not work while srst is asserted
# this is target specific, valid for every board
# Errata "2.3.5 Incorrect reset of glitch-free kernel clock switch" requires
# srst to force VDDCORE power cycle or pull srst_core. Both cases reset the
# debug unit, behavior equivalent to "srst_pulls_trst"
reset_config srst_gates_jtag srst_pulls_trst
adapter speed 5000
adapter srst pulse_width 200
# bootrom has an internal timeout of 1 second for detecting the boot flash.
# wait at least 1 second to guarantee we are out of bootrom
adapter srst delay 1100
add_help_text axi_secure "Set secure mode for following AXI accesses"
proc axi_secure {} {
$::_CHIPNAME.dap apsel 0
$::_CHIPNAME.dap apcsw 0x10006000
}
add_help_text axi_nsecure "Set non-secure mode for following AXI accesses"
proc axi_nsecure {} {
$::_CHIPNAME.dap apsel 0
$::_CHIPNAME.dap apcsw 0x30006000
}
axi_secure
proc dbgmcu_enable_debug {} {
# set debug enable bits in DBGMCU_CR to get ap2 and cm4 visible
catch {$::_CHIPNAME.ap1 mww 0xe0081004 0x00000007}
# freeze watchdog 1 and 2 on cores halted
catch {$::_CHIPNAME.ap1 mww 0xe008102c 0x00000004}
catch {$::_CHIPNAME.ap1 mww 0xe008104c 0x00000008}
}
proc toggle_cpu0_dbg_claim0 {} {
# toggle CPU0 DBG_CLAIM[0]
$::_CHIPNAME.ap1 mww 0xe00d0fa0 1
$::_CHIPNAME.ap1 mww 0xe00d0fa4 1
}
proc detect_cpu1 {} {
set cpu1_prsr [$::_CHIPNAME.ap1 read_memory 0xE00D2314 32 1]
set dual_core [expr {$cpu1_prsr & 1}]
if {! $dual_core} {$::_CHIPNAME.cpu1 configure -defer-examine}
}
proc rcc_enable_traceclk {} {
$::_CHIPNAME.ap2 mww 0x5000080c 0x301
}
# FIXME: most of handler below will be removed once reset framework get merged
$_CHIPNAME.ap1 configure -event reset-deassert-pre {adapter deassert srst deassert trst;catch {dap init};catch {$::_CHIPNAME.dap apid 1}}
$_CHIPNAME.ap2 configure -event reset-deassert-pre {dbgmcu_enable_debug;rcc_enable_traceclk}
$_CHIPNAME.cpu0 configure -event reset-deassert-pre {$::_CHIPNAME.cpu0 arp_examine}
$_CHIPNAME.cpu1 configure -event reset-deassert-pre {$::_CHIPNAME.cpu1 arp_examine allow-defer}
$_CHIPNAME.cpu0 configure -event reset-deassert-post {toggle_cpu0_dbg_claim0}
$_CHIPNAME.cm4 configure -event reset-deassert-post {$::_CHIPNAME.cm4 arp_examine;if {[$::_CHIPNAME.ap2 curstate] == "halted"} {$::_CHIPNAME.cm4 arp_poll;$::_CHIPNAME.cm4 arp_poll;$::_CHIPNAME.cm4 arp_halt}}
$_CHIPNAME.ap1 configure -event examine-start {dap init}
$_CHIPNAME.ap2 configure -event examine-start {dbgmcu_enable_debug}
$_CHIPNAME.cpu0 configure -event examine-end {detect_cpu1}
$_CHIPNAME.ap2 configure -event examine-end {rcc_enable_traceclk;$::_CHIPNAME.cm4 arp_examine}
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