David Brownell <david-b@pacbell.net>:

[fw/openocd] / tcl / target / omap3530.cfg

diff --git a/tcl/target/omap3530.cfg b/tcl/target/omap3530.cfg
index ad8f8ea8c53dd8b593fccb135dfd0b0972e5e7c4..aba6e2558ae95f263483c6cc39f6ba353039c708 100644 (file)
--- a/tcl/target/omap3530.cfg
+++ b/tcl/target/omap3530.cfg
@@ -1,57 +1,68 @@
-#File omap3530.cfg - as found on the BEAGLEBOARD
-#  Assumption is it is generic for all OMAP3530 
-
-#TI OMAP3 processor - http://www.ti.com 
+# TI OMAP3530
+#  http://focus.ti.com/docs/prod/folders/print/omap3530.html
+# Other OMAP3 chips remove DSP and/or the OpenGL support
 
 if { [info exists CHIPNAME] } {        
    set  _CHIPNAME $CHIPNAME    
 } else {        
-   set  _CHIPNAME omap3
+   set  _CHIPNAME omap3530
 }
 
-if { [info exists ENDIAN] } {  
-   set  _ENDIAN $ENDIAN    
-} else {        
-  # this defaults to a little endianness
-  set  _ENDIAN little
-}
+# ICEpick-C ... used to route Cortex, DSP, and more not shown here
+source [find target/icepick.cfg]
 
-if { [info exists CPUTAPID ] } {
-   set _CPUTAPID $CPUTAPID
+# Subsidiary TAP: C64x+ DSP ... must enable via ICEpick
+jtag newtap $_CHIPNAME dsp -irlen 38 -ircapture 0x25 -irmask 0x3f -disable
+
+# Subsidiary TAP: CoreSight Debug Access Port (DAP)
+if { [info exists DAP_TAPID ] } {
+   set _DAP_TAPID $DAP_TAPID
 } else {
-  # force an error till we get a good number
-  set _CPUTAPID 0x0B6D602F
+   set _DAP_TAPID 0x0b6d602f
 }
+jtag newtap $_CHIPNAME dap -irlen 4 -ircapture 0x1 -irmask 0xf \
+       -expected-id $_DAP_TAPID -disable
+jtag configure $_CHIPNAME.dap -event tap-enable \
+       "icepick_c_tapenable $_CHIPNAME.jrc 3"
 
-#jtag scan chain
-jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0x0 -expected-id $_CPUTAPID -disable
-jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0xf -expected-id 0x0b7ae02f
-
-target create omap3.cpu cortex_m3 -endian little -chain-position omap3.cpu
-
-jtag configure $_CHIPNAME.cpu -event tap-enable {
-       puts "Enabling Cortex-A8 @ OMAP3"
-       irscan omap3.jrc 7 -endstate IRPAUSE
-       drscan omap3.jrc 8 0x89 -endstate DRPAUSE
-       irscan omap3.jrc 2 -endstate IRPAUSE
-       drscan omap3.jrc 32 0xa3002108  -endstate RUN/IDLE
-       irscan omap3.jrc 0x3F -endstate RUN/IDLE
-       runtest 10
-       puts "Cortex-A8 @ OMAP3 enabled"
+# Primary TAP: ICEpick-C (JTAG route controller) and boundary scan
+if { [info exists JRC_TAPID ] } {
+   set _JRC_TAPID $JRC_TAPID
+} else {
+   set _JRC_TAPID 0x0b7ae02f
 }
+jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f \
+       -expected-id $_JRC_TAPID
+
+# GDB target:  Cortex-A8, using DAP
 
+# FIXME when we have A8 support, use it.  A8 != M3 ...
+target create omap3.cpu cortex_m3 -chain-position $_CHIPNAME.dap
+
+# FIXME much of this should be in reset event handlers
 proc omap3_dbginit { } {
-     version
-     jtag tapenable omap3.cpu
+     reset
+     sleep 500
+
+     jtag tapenable omap3530.dap
      targets
      # sleep 1000
      # dap apsel 1
      # sleep 1000
      # dap apsel 1
      # dap info 1
-     omap3.cpu mww 0x54011FB0 0xC5ACCE55 4
+
+     # 0xd401.0000 - ETM
+     # 0xd401.1000 - Cortex-A8
+     # 0xd401.9000 - TPIU (traceport)
+     # 0xd401.b000 - ETB
+     # 0xd401.d000 - DAPCTL
+
+     omap3.cpu mww 0x54011FB0 0xC5ACCE55
+
      omap3.cpu mdw 0x54011314
      omap3.cpu mdw 0x54011314
      # omap3.cpu mdw 0x54011080
-     omap3.cpu mww 0x5401d030 0x00002000 4
+
+     omap3.cpu mww 0x5401d030 0x00002000
 }