5 #commands specific to the Amontec JTAGKey
7 ft2232_device_desc "Amontec JTAGkey A"
9 ft2232_vid_pid 0x0403 0xcff8
14 #reset_config <signals> [combination] [trst_type] [srst_type]
15 reset_config srst_only srst_pulls_trst
17 jtag newtap sam7x cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id 0x3f0f0f0f
19 target create sam7x.cpu arm7tdmi -endian little -chain-position sam7x.cpu -variant arm7tdmi
21 sam7x.cpu configure -event reset-init {
23 mww 0xfffffd00 0xa5000004 # RSTC_CR: Reset peripherals
24 mww 0xfffffd44 0x00008000 # WDT_MR: disable watchdog
25 mww 0xfffffd08 0xa5000001 # RSTC_MR enable user reset
26 mww 0xfffffc20 0x00005001 # CKGR_MOR : enable the main oscillator
28 mww 0xfffffc2c 0x000b1c02 # CKGR_PLLR: 16MHz * 12/2 = 96MHz
30 mww 0xfffffc30 0x00000007 # PMC_MCKR : MCK = PLL / 2 = 48 MHz
32 mww 0xffffff60 0x00480100 # MC_FMR: flash mode (FWS=1,FMCN=72)
37 gdb_breakpoint_override hard
38 armv4_5 core_state arm
40 sam7x.cpu configure -work-area-virt 0 -work-area-phys 0x00200000 -work-area-size 0x10000 -work-area-backup 0
41 flash bank at91sam7 0x100000 0x40000 0 4 sam7x.cpu