3 # FIXME use some standard target config, maybe create one from this
5 # source [find target/...cfg]
7 if { [info exists CHIPNAME] } {
8 set _CHIPNAME $CHIPNAME
10 set _CHIPNAME at91eb40a
13 if { [info exists ENDIAN] } {
19 if { [info exists CPUTAPID ] } {
20 set _CPUTAPID $CPUTAPID
22 # force an error till we get a good number
23 set _CPUTAPID 0x1f0f0f0f
27 #Atmel ties SRST & TRST together, at which point it makes
28 #no sense to use TRST, but use TMS instead.
30 #The annoying thing with tying SRST & TRST together is that
31 #there is no way to halt the CPU *before and during* the
32 #SRST reset, which means that the CPU will run a number
33 #of cycles before it can be halted(as much as milliseconds).
34 reset_config srst_only srst_pulls_trst
37 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
40 set _TARGETNAME $_CHIPNAME.cpu
41 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME
43 # speed up memory downloads
44 arm7_9 fast_memory_access enable
45 arm7_9 dcc_downloads enable
48 set _FLASHNAME $_CHIPNAME.flash
49 flash bank $_FLASHNAME ecosflash 0x01000000 0x200000 2 2 $_TARGETNAME ecos/at91eb40a.elf
51 # required for usable performance. Used for lots of
52 # other things than flash programming.
53 $_TARGETNAME configure -work-area-phys 0x00030000 -work-area-size 0x10000 -work-area-backup 0
55 $_TARGETNAME configure -event reset-init {
56 puts "Running reset init script for AT91EB40A"
57 # Reset script for AT91EB40a
60 mww 0xFFE00024 0x00000000
61 mww 0xFFE00000 0x01002539
62 mww 0xFFFFF124 0xFFFFFFFF
67 # This target is pretty snappy...
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