1 if { [info exists CHIPNAME] } {
2 set _CHIPNAME $CHIPNAME
7 if { [info exists ENDIAN] } {
13 if { [info exists CPUTAPID ] } {
14 set _CPUTAPID $CPUTAPID
16 # force an error till we get a good number
17 set _CPUTAPID 0xffffffff
20 jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_CPUTAPID
24 set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
25 target create $_TARGETNAME xscale -endian $_ENDIAN -chain-position $_TARGETNAME -variant pxa255
26 $_TARGETNAME configure -event reset-init {
27 xscale cp15 15 0x00002001 #Enable CP0 and CP13 access
31 mww 0x40E00018 0x00008000 #CPSR0
33 mww 0x40E0001C 0x00000002 #GPSR1
35 mww 0x40E00020 0x00000008 #GPSR2
37 mww 0x40E0000C 0x00008000 #GPDR0
39 mww 0x40E00054 0x80000000 #GAFR0_L
41 mww 0x40E00058 0x00188010 #GAFR0_H
43 mww 0x40E0005C 0x60908018 #GAFR1_L
45 mww 0x40E0000C 0x0280E000 #GPDR0
47 mww 0x40E00010 0x821C88B2 #GPDR1
49 mww 0x40E00014 0x000F03DB #GPDR2
51 mww 0x40E00000 0x000F03DB #GPLR0
55 mww 0x40F00004 0x00000020 #PSSR
59 # setup memory controller
61 mww 0x48000008 0x01111998 #MSC0
63 mww 0x48000010 0x00047ff0 #MSC2
65 mww 0x48000014 0x00000000 #MECR
67 mww 0x48000028 0x00010504 #MCMEM0
69 mww 0x4800002C 0x00010504 #MCMEM1
71 mww 0x48000030 0x00010504 #MCATT0
73 mww 0x48000034 0x00010504 #MCATT1
75 mww 0x48000038 0x00004715 #MCIO0
77 mww 0x4800003C 0x00004715 #MCIO1
80 mww 0x48000004 0x03CA4018 #MDREF
82 mww 0x48000004 0x004B4018 #MDREF
84 mww 0x48000004 0x000B4018 #MDREF
86 mww 0x48000004 0x000BC018 #MDREF
88 mww 0x48000000 0x00001AC8 #MDCNFG
93 mww 0x48000000 0x00001AC9 #MDCNFG
95 mww 0x48000040 0x00000000 #MDMRS
99 reset_config trst_and_srst
103 #xscale debug_handler 0 0xFFFF0800 # debug handler base address