openocd: Detect openocd version

Small script to detect the openocd version and choose the appropriate
debug/flash script for use with JTAG debugging.

1 files changed, 75 insertions, 0 deletions

diff --git a/support/openocd/debug_0.3.cfg b/support/openocd/debug_0.3.cfg
new file mode 100644
index 0000000..87d33ae
--- /dev/null
+++ b/support/openocd/debug_0.3.cfg
@@ -0,0 +1,75 @@
+# script for stm32
+
+interface ft2232
+ft2232_device_desc "Olimex OpenOCD JTAG"
+ft2232_layout olimex-jtag
+ft2232_vid_pid 0x15ba 0x0003
+
+if { [info exists CHIPNAME] } {
+   set  _CHIPNAME $CHIPNAME
+} else {
+   set  _CHIPNAME stm32
+}
+
+if { [info exists ENDIAN] } {
+   set  _ENDIAN $ENDIAN
+} else {
+   set  _ENDIAN little
+}
+
+# jtag speed speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so ufse F_JTAG = 1MHz
+jtag_khz 1000
+
+jtag_nsrst_delay 100
+jtag_ntrst_delay 100
+
+#use combined on interfaces or targets that can't set TRST/SRST separately
+reset_config trst_and_srst
+
+#jtag scan chain
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+  # See STM Document RM0008
+  # Section 30.6.3
+   set _CPUTAPID 0x3ba00477
+}
+
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+if { [info exists BSTAPID ] } {
+   # FIXME this never gets used to override defaults...
+   set _BSTAPID $BSTAPID
+} else {
+  # See STM Document RM0008
+  # Section 29.6.2
+  # Low density devices, Rev A
+  set _BSTAPID1 0x06412041
+  # Medium density devices, Rev A
+  set _BSTAPID2 0x06410041
+  # Medium density devices, Rev B and Rev Z
+  set _BSTAPID3 0x16410041
+  # High density devices, Rev A
+  set _BSTAPID4 0x06414041
+  # Connectivity line devices, Rev A and Rev Z
+  set _BSTAPID5 0x06418041
+}
+jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID1 \
+           -expected-id $_BSTAPID2 -expected-id $_BSTAPID3 \
+           -expected-id $_BSTAPID4 -expected-id $_BSTAPID5
+
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
+
+$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 0x5000 -work-area-backup 0
+
+flash bank stm32x 0x08000000 0x00020000 0 0 $_TARGETNAME
+
+proc nopforever {} {
+    puts "Resetting the chip..."
+    reset run
+}
+
+init
+nopforever