X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=tcl%2Ftarget%2Fstm32lx_stlink.cfg;h=0bd59b4abe7b746d904c8c033857fb93ae1869e3;hb=3427cf2b7e33240fc63c6398090dc7bcbf4f2d52;hp=e28818f36b6f71e3d08b661a3f177a8510328e14;hpb=60c2ea144bc299591d86cf6ec98760a9d4607be3;p=openocd.git

diff --git a/tcl/target/stm32lx_stlink.cfg b/tcl/target/stm32lx_stlink.cfg
index e28818f36b..0bd59b4abe 100644
--- a/tcl/target/stm32lx_stlink.cfg
+++ b/tcl/target/stm32lx_stlink.cfg
@@ -2,11 +2,46 @@
 # STM32lx stlink pseudo target
 #
 
-set CHIPNAME stm32lx
-set CPUTAPID 0x2ba01477
-set WORKAREASIZE 0x3800
+if { [info exists CHIPNAME] == 0 } {
+   set CHIPNAME stm32lx
+}
+
+if { [info exists CPUTAPID] == 0 } {
+   set CPUTAPID 0x2ba01477
+}
+
+if { [info exists WORKAREASIZE] == 0 } {
+   set WORKAREASIZE 0x2800
+}
 
 source [find target/stm32_stlink.cfg]
 
+# Flash base address is known by driver. Flash size will be probed.
+#
+# Please note that the larger stm32lx targets (256Kb and 384Kb) uses dual
+# bank flash. For such targets use target/stm32lx_dual_bank.cfg.
+#
+# Some samples of ST's stm32lx chips are known to have incorrect flash size
+# values programmed in their FLASH_SIZE register. The driver will warn
+# for strange values. It is possible to override the flash size probe by
+# defining the correct size here. Notice though that it is the size of
+# the flash bank
+#
+# flash bank stm32lx <base> <size> 0 0 <target#> <variant>
 set _FLASHNAME $_CHIPNAME.flash
 flash bank $_FLASHNAME stm32lx 0 0 0 0 $_TARGETNAME
+
+proc stm32l_enable_HSI {} {
+	# Enable HSI as clock source
+	echo "STM32L: Enabling HSI"
+
+	# Set HSION in RCC_CR
+	mww 0x40023800 0x00000101
+
+	# Set HSI as SYSCLK
+	mww 0x40023808 0x00000001
+}
+
+$_TARGETNAME configure -event reset-init {
+	stm32l_enable_HSI
+}