50 lines
1.5 KiB
INI
50 lines
1.5 KiB
INI
# Atmel AT91rm9200
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# http://atmel.com/products/at91/
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reset_config trst_and_srst
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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 at91rm9200
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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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if { [info exists CPUTAPID ] } {
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set _CPUTAPID $CPUTAPID
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} else {
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set _CPUTAPID 0x05b0203f
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}
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# Never allow the following!
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if { $_CPUTAPID == 0x15b0203f } {
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echo "-------------------------------------------------------"
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echo "- ERROR: -"
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echo "- ERROR: TapID 0x15b0203f is wrong for at91rm9200 -"
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echo "- ERROR: The chip/board has a JTAG select pin/jumper -"
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echo "- ERROR: -"
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echo "- ERROR: In one position (0x05b0203f) it selects the -"
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echo "- ERROR: ARM CPU, in the other position (0x1b0203f) -"
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echo "- ERROR: it selects boundry-scan not the ARM -"
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echo "- ERROR: -"
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echo "-------------------------------------------------------"
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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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# Create the GDB Target.
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set _TARGETNAME $_CHIPNAME.cpu
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target create $_TARGETNAME arm920t -endian $_ENDIAN -chain-position $_TARGETNAME
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# AT91RM9200 has a 16K block of sram @ 0x0020.0000
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$_TARGETNAME configure -work-area-phys 0x00200000 \
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-work-area-size 0x4000 -work-area-backup 1
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# This chip has a DCC ... use it
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arm7_9 dcc_downloads enable
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