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41 lines
1.3 KiB
INI
41 lines
1.3 KiB
INI
#define our ports
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telnet_port 4444
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gdb_port 3333
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#commands specific to the Amontec JTAGKey
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interface ft2232
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ft2232_device_desc "Amontec JTAGkey A"
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ft2232_layout jtagkey
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ft2232_vid_pid 0x0403 0xcff8
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jtag_khz 200
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jtag_nsrst_delay 200
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jtag_ntrst_delay 200
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#reset_config <signals> [combination] [trst_type] [srst_type]
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reset_config srst_only srst_pulls_trst
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jtag newtap sam7x cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id 0x3f0f0f0f
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target create sam7x.cpu arm7tdmi -endian little -chain-position sam7x.cpu -variant arm7tdmi
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sam7x.cpu configure -event reset-init {
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soft_reset_halt
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mww 0xfffffd00 0xa5000004 # RSTC_CR: Reset peripherals
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mww 0xfffffd44 0x00008000 # WDT_MR: disable watchdog
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mww 0xfffffd08 0xa5000001 # RSTC_MR enable user reset
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mww 0xfffffc20 0x00005001 # CKGR_MOR : enable the main oscillator
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sleep 10
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mww 0xfffffc2c 0x000b1c02 # CKGR_PLLR: 16MHz * 12/2 = 96MHz
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sleep 10
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mww 0xfffffc30 0x00000007 # PMC_MCKR : MCK = PLL / 2 = 48 MHz
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sleep 10
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mww 0xffffff60 0x00480100 # MC_FMR: flash mode (FWS=1,FMCN=72)
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sleep 100
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}
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gdb_memory_map enable
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gdb_breakpoint_override hard
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armv4_5 core_state arm
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sam7x.cpu configure -work-area-virt 0 -work-area-phys 0x00200000 -work-area-size 0x10000 -work-area-backup 0
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flash bank at91sam7 0x100000 0x40000 0 4 sam7x.cpu
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