stm32: Fix L0/1xx CPUTAPID setting and add new L1xx BSTAPIDs

[openocd.git] / tcl / target / stm32l.cfg

diff --git a/tcl/target/stm32l.cfg b/tcl/target/stm32l.cfg
index 37bd50512fa9c2f26c5c306c2cc382c87d259a8c..8f6d90550a6bf335f7bf71dac8001f212a778d80 100644 (file)
--- a/tcl/target/stm32l.cfg
+++ b/tcl/target/stm32l.cfg
@@ -38,24 +38,41 @@ if {[using_jtag]} {
 if { [info exists CPUTAPID] } {
    set _CPUTAPID $CPUTAPID
 } else {
-  # See STM Document RM0038
-  # Section 24.6.3
-   set _CPUTAPID 0x4ba00477
+   if { [using_jtag] } {
+      # See STM Document RM0038
+      # Section 30.6.3 - corresponds to Cortex-M3 r2p0
+      set _CPUTAPID 0x4ba00477
+   } {
+      set _CPUTAPID1 0x2ba01477
+      set _CPUTAPID2 0x0bc11477
+   }
 }
 
-swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+if { [using_jtag] } {
+   swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+} else {
+   swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID1 -expected-id $_CPUTAPID2
+}
 
 if { [info exists BSTAPID] } {
    # FIXME this never gets used to override defaults...
    set _BSTAPID $BSTAPID
 } else {
-  # See STM Document RM0038
-  # Section 24.6.2
-  set _BSTAPID 0x06416041
+   # See STM Document RM0038 Section 30.6.1
+   # (section 30.6.2 seems incorrect, at least in RM0038 DocID 15965 Rev 10)
+
+   # Low and medium density
+   set _BSTAPID1 0x06416041
+   # Cat.3 device (medium+ density)
+   set _BSTAPID2 0x06427041
+   # Cat.4 device, STM32L15/6xxD or Cat.3 device, some STM32L15/6xxC-A models
+   set _BSTAPID3 0x06436041
+   # Cat.5 device (high density), STM32L15/6xxE
+   set _BSTAPID4 0x06437041
 }
 
 if {[using_jtag]} {
- jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID
+   swj_newdap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 -expected-id $_BSTAPID2 -expected-id $_BSTAPID3 -expected-id $_BSTAPID4
 }
 
 set _TARGETNAME $_CHIPNAME.cpu
@@ -67,9 +84,11 @@ $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE
 set _FLASHNAME $_CHIPNAME.flash
 flash bank $_FLASHNAME stm32lx 0x08000000 0 0 0 $_TARGETNAME
 
-# if srst is not fitted use SYSRESETREQ to
-# perform a soft reset
-cortex_m reset_config sysresetreq
+if {![using_hla]} {
+   # if srst is not fitted use SYSRESETREQ to
+   # perform a soft reset
+   cortex_m reset_config sysresetreq
+}
 
 proc stm32l_enable_HSI {} {
        # Enable HSI as clock source