1 files changed, 86 insertions, 0 deletions
diff --git a/tcl/target/xba_revA3.cfg b/tcl/target/xba_revA3.cfg
new file mode 100644
index 00000000..007cb9e1
--- /dev/null
+++ b/tcl/target/xba_revA3.cfg
@@ -0,0 +1,86 @@
+#Written by: Michael Schwingen <rincewind@discworld.dascon.de>
+
+if { [info exists CHIPNAME] } {	
+   set  _CHIPNAME $CHIPNAME    
+} else {	 
+   set  _CHIPNAME xba_reva3
+}
+
+if { [info exists ENDIAN] } {	
+   set  _ENDIAN $ENDIAN    
+} else {	 
+  # default to big endian
+   set  _ENDIAN big
+}
+
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+  # force an error till we get a good number
+   set _CPUTAPID 0xffffffff
+}
+
+reset_config trst_and_srst separate
+
+jtag_nsrst_delay 100
+jtag_ntrst_delay 100
+
+#jtag scan chain
+jtag newtap $_CHIPNAME cpu -irlen 7 -ircapture 0x1 -irmask 0x7f -expected-id $_CPUTAPID
+
+set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
+target create $_TARGETNAME xscale -endian $_ENDIAN -chain-position $_TARGETNAME -variant ixp42x
+$_TARGETNAME configure -event reset-init {
+	#############################################################################
+	# setup expansion bus CS, disable external wdt
+	#############################################################################
+	mww 0xc4000000  0xbd113842  #CS0  : Flash, write enabled @0x50000000
+	mww 0xc4000004  0x94d10013  #CS1
+	mww 0xc4000008  0x95960003  #CS2
+	mww 0xc400000c  0x00000000  #CS3
+	mww 0xc4000010  0x80900003  #CS4
+	mww 0xc4000014  0x9d520003  #CS5
+	mww 0xc4000018  0x81860001  #CS6
+	mww 0xc400001c  0x80900003  #CS7
+
+	#############################################################################
+	# init SDRAM controller: 16MB, one bank, CL3
+	#############################################################################
+	mww 0xCC000000  0x2A # SDRAM_CFG: 64MBit, CL3
+	mww 0xCC000004     0 # disable refresh
+	mww 0xCC000008     3 # NOP
+	sleep 100
+	mww 0xCC000004  2100 # set refresh counter
+	mww 0xCC000008     2 # Precharge All Banks
+	sleep 100
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     4 # Auto Refresh
+	mww 0xCC000008     1 # Mode Select CL3
+
+	#mww 0xc4000020  0xffffee # CFG0: remove expansion bus boot flash
+	#mirror at 0x00000000
+
+	#big endian
+	reg XSCALE_CTRL 0xF8
+
+	#
+	# detect flash
+	#
+	flash probe 0
+}
+
+$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20010000 -work-area-size 0x8060 -work-area-backup 0
+
+
+flash bank cfi 0x50000000 0x400000 2 2 0
+
+init 
+reset init
+# set big endian mode
+reg XSCALE_CTRL 0xF8