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  1. if { [info exists CHIPNAME] } {
  2. set _CHIPNAME $CHIPNAME
  3. } else {
  4. set _CHIPNAME at9r40008
  5. }
  6. if { [info exists ENDIAN] } {
  7. set _ENDIAN $ENDIAN
  8. } else {
  9. set _ENDIAN little
  10. }
  11. if { [info exists CPUTAPID ] } {
  12. set _CPUTAPID $CPUTAPID
  13. } else {
  14. # force an error till we get a good number
  15. set _CPUTAPID 0xffffffff
  16. }
  17. jtag_nsrst_delay 200
  18. jtag_ntrst_delay 200
  19. #use combined on interfaces or targets that can't set TRST/SRST separately
  20. reset_config srst_only srst_pulls_trst
  21. #jtag scan chain
  22. #format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
  23. jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  24. set _TARGETNAME $_CHIPNAME.cpu
  25. target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi
  26. $_TARGETNAME configure -event gdb-flash-erase-start {
  27. wait_halt
  28. sleep 10
  29. poll
  30. # Ethernut 3 remapping is required to access external flash memory.
  31. mww 0xffe00000 0x1000213d
  32. mww 0xffe00004 0x20003e3d
  33. mww 0xffe00020 0x00000001
  34. }
  35. $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x3C000 -work-area-size 0x4000 -work-area-backup 0
  36. flash bank cfi 0x10000000 0x400000 2 2 0
  37. # For more information about the configuration files, take a look at:
  38. # openocd.texi