#format L IRC IRCM IDCODE (Length, IR Capture, IR capture Mask, IDCODE)
jtag_device 7 0x1 0x7f 0x7e
-daemon_startup reset
+target create target0 xscale -endian big -chain-position 0 -variant ixp42x
+[new_target_name] 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
-#target <type> <endianess> <reset mode> <JTAG pos> <variant>
-target xscale big reset_init 0 ixp42x
-#target xscale big run_and_halt 0 ixp42x
-target_script 0 reset event/xba_revA3.script
+ #############################################################################
+ # 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
-run_and_halt_time 0 100
+ #mww 0xc4000020 0xffffee # CFG0: remove expansion bus boot flash
+ #mirror at 0x00000000
-flash bank cfi 0x50000000 0x400000 2 2 0
-working_area 0 0x20010000 0x8060 nobackup
+ #big endian
+ reg XSCALE_CTRL 0xF8
+
+ #
+ # detect flash
+ #
+ flash probe 0
+}
+
+[new_target_name] configure -work-area-virt 0 -work-area-phys 0x20010000 -work-area-size 0x8060 -work-area-backup 0
-# halt target
-wait_halt
+flash bank cfi 0x50000000 0x400000 2 2 0
+
+init
+reset init
# set big endian mode
reg XSCALE_CTRL 0xF8