48 lines
1013 B
INI
48 lines
1013 B
INI
# script for ATMEL sam3, a CORTEX-M3 chip
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#
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# at91sam3u4e
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# at91sam3u2e
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# at91sam3u1e
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# at91sam3u4c
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# at91sam3u2c
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# at91sam3u1c
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if { [info exists CHIPNAME] } {
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set _CHIPNAME $CHIPNAME
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} else {
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set _CHIPNAME sam3
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}
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if { [info exists ENDIAN] } {
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set _ENDIAN $ENDIAN
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} else {
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set _ENDIAN little
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}
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#jtag scan chain
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if { [info exists CPUTAPID ] } {
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set _CPUTAPID $CPUTAPID
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} else {
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set _CPUTAPID 0x4ba00477
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}
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jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
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set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
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target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME
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# 16K is plenty, the smallest chip has this much
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$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x20000000 -work-area-size 16384 -work-area-backup 0
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reset_config srst_only
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# GDB can use this
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gdb_memory_map enable
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# And GDB can flash the chip
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gdb_flash_program enable
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$_TARGETNAME configure -event gdb-flash-erase-start {
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halt
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}
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