1 #Written by: Michael Schwingen <rincewind@discworld.dascon.de>
3 reset_config trst_and_srst separate
9 #format L IRC IRCM IDCODE (Length, IR Capture, IR capture Mask, IDCODE)
10 jtag_device 7 0x1 0x7f 0x7e
12 target create target0 xscale -endian big -chain-position 0 -variant ixp42x
13 [new_target_name] configure -event reset-init {
14 #############################################################################
15 # setup expansion bus CS, disable external wdt
16 #############################################################################
17 mww 0xc4000000 0xbd113842 #CS0 : Flash, write enabled @0x50000000
18 mww 0xc4000004 0x94d10013 #CS1
19 mww 0xc4000008 0x95960003 #CS2
20 mww 0xc400000c 0x00000000 #CS3
21 mww 0xc4000010 0x80900003 #CS4
22 mww 0xc4000014 0x9d520003 #CS5
23 mww 0xc4000018 0x81860001 #CS6
24 mww 0xc400001c 0x80900003 #CS7
26 #############################################################################
27 # init SDRAM controller: 16MB, one bank, CL3
28 #############################################################################
29 mww 0xCC000000 0x2A # SDRAM_CFG: 64MBit, CL3
30 mww 0xCC000004 0 # disable refresh
31 mww 0xCC000008 3 # NOP
33 mww 0xCC000004 2100 # set refresh counter
34 mww 0xCC000008 2 # Precharge All Banks
36 mww 0xCC000008 4 # Auto Refresh
37 mww 0xCC000008 4 # Auto Refresh
38 mww 0xCC000008 4 # Auto Refresh
39 mww 0xCC000008 4 # Auto Refresh
40 mww 0xCC000008 4 # Auto Refresh
41 mww 0xCC000008 4 # Auto Refresh
42 mww 0xCC000008 4 # Auto Refresh
43 mww 0xCC000008 4 # Auto Refresh
44 mww 0xCC000008 1 # Mode Select CL3
46 #mww 0xc4000020 0xffffee # CFG0: remove expansion bus boot flash
58 [new_target_name] configure -work-area-virt 0 -work-area-phys 0x20010000 -work-area-size 0x8060 -work-area-backup 0
61 flash bank cfi 0x50000000 0x400000 2 2 0