[OpenOCD-commit] Main OpenOCD repository branch, master, updated. v0.12.0-817-g15d90dd21

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commit 15d90dd21cfc480714fbefa238998e6b00b9c4b1
Author: Marc Schink <de...@za...>
Date:   Fri Dec 13 07:34:03 2024 +0000

    tcl/target: Add config for STM32U0x
    
    Tested with NUCLEO-U083RC development board.
    
    Change-Id: Iec668b45166543adcd1fa5077d41c57a35d3becf
    Signed-off-by: Marc Schink <de...@za...>
    Reviewed-on: https://review.openocd.org/c/openocd/+/8648
    Tested-by: jenkins
    Reviewed-by: Tomas Vanek <va...@fb...>

diff --git a/tcl/target/stm32u0x.cfg b/tcl/target/stm32u0x.cfg
new file mode 100644
index 000000000..d3aaed3cb
--- /dev/null
+++ b/tcl/target/stm32u0x.cfg
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Configuration file for STM32U0x series.
+#
+# STM32U0 devices support only SWD transport.
+#
+
+source [find mem_helper.tcl]
+
+if { [info exists CHIPNAME] } {
+	set _CHIPNAME $CHIPNAME
+} else {
+	set _CHIPNAME stm32u0x
+}
+
+# Work-area is a space in RAM used for flash programming, by default use 4 KiB.
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x1000
+}
+
+if { [info exists CPUTAPID] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x6ba02477
+}
+
+swd newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
+dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m -endian little -dap $_CHIPNAME.dap
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+flash bank $_CHIPNAME.flash stm32l4x 0x08000000 0 0 0 $_TARGETNAME
+flash bank $_CHIPNAME.otp   stm32l4x 0x1FFF6800 0 0 0 $_TARGETNAME
+
+adapter speed 2000
+
+if {![using_hla]} {
+	# Use SYSRESETREQ to perform a soft reset if SRST is not fitted.
+	cortex_m reset_config sysresetreq
+}
+
+$_TARGETNAME configure -event examine-end {
+	# Enable debug during low power modes (uses more power).
+	# DBGMCU_CR |= DBG_STANDBY | DBG_STOP
+	mmw 0x40015804 0x00000006 0
+
+	# Stop watchdog counters when core is halted.
+	# DBGMCU_APB1_FZR |= DBG_IWDG_STOP | DBG_WWDG_STOP
+	mmw 0x40015808 0x00001800 0
+}

-----------------------------------------------------------------------

Summary of changes:
 tcl/target/stm32u0x.cfg | 55 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 tcl/target/stm32u0x.cfg


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