1 #use combined on interfaces or targets that can't set TRST/SRST separately
2 reset_config srst_only srst_pulls_trst
4 if { [info exists CHIPNAME] } {
5 set _CHIPNAME $CHIPNAME
10 if { [info exists ENDIAN] } {
16 if { [info exists CPUTAPID ] } {
17 set _CPUTAPID $CPUTAPID
19 set _CPUTAPID 0x3f0f0f0f
22 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
24 set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
25 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi
31 arm7_9 dcc_downloads enable
33 armv4_5 core_state arm
34 arm7_9 fast_memory_access enable
36 # Init - taken from the script openocd_at91sam7_ecr.script
37 mww 0xfffffd44 0x00008000 # disable watchdog
38 mww 0xfffffd08 0xa5000001 # enable user reset
39 mww 0xfffffc20 0x00000601 # CKGR_MOR : enable the main oscillator
41 mww 0xfffffc2c 0x00481c0e # CKGR_PLLR: 96.1097 MHz
43 mww 0xfffffc30 0x00000007 # PMC_MCKR : MCK = PLL / 2 ~= 48 MHz
45 mww 0xffffff60 0x003c0100 # MC_FMR: flash mode (FWS=1,FMCN=60)
46 # arm7_9 force_hw_bkpts enable # program resides in flash
50 $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x00200000 -work-area-size 0x4000 -work-area-backup 0
52 #flash bank <driver> <base> <size> <chip_width> <bus_width>
53 flash bank at91sam7 0 0 0 0 0