tcl/target/pic32mx.cfg

   1
   2 if { [info exists CHIPNAME] } {
   3    set  _CHIPNAME $CHIPNAME
   4 } else {
   5    set  _CHIPNAME pic32mx
   6 }
   7
   8 if { [info exists ENDIAN] } {
   9    set  _ENDIAN $ENDIAN
  10 } else {
  11    set  _ENDIAN little
  12 }
  13
  14 if { [info exists CPUTAPID ] } {
  15    set _CPUTAPID $CPUTAPID
  16 } else {
  17   # force an error till we get a good number
  18    set _CPUTAPID 0x30938053
  19 }
  20
  21 # working area is 16384 - 2048
  22 # loose first 2048 bytes due to BMXDKPBA reg
  23 if { [info exists WORKAREASIZE] } {
  24    set  _WORKAREASIZE $WORKAREASIZE
  25 } else {
  26    set  _WORKAREASIZE [expr (16384 - 2048)]
  27 }
  28
  29 jtag_nsrst_delay 100
  30 jtag_ntrst_delay 100
  31
  32 #use combined on interfaces or targets that can't set TRST/SRST separately
  33 reset_config srst_only
  34
  35 #jtag scan chain
  36 #format L IRC IRCM IDCODE (Length, IR Capture, IR Capture Mask, IDCODE)
  37 jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_CPUTAPID
  38
  39 set _TARGETNAME $_CHIPNAME.cpu
  40 target create $_TARGETNAME mips_m4k -endian $_ENDIAN -chain-position $_TARGETNAME
  41
  42 $_TARGETNAME configure -work-area-phys 0xa0000800 -work-area-size $_WORKAREASIZE -work-area-backup 0
  43
  44 $_TARGETNAME configure -event reset-init {
  45         #
  46         # from reset the pic32 cannot execute code in ram - enable ram execution
  47         # minimum offset from start of ram is 2k
  48         #
  49
  50         # BMXCON
  51         mww 0xbf882000 0x001f0040
  52         # BMXDKPBA: 0xa0000800
  53         mww 0xbf882010 0x00000800
  54         # BMXDUDBA
  55         mww 0xbf882020 0x00004000
  56         # BMXDUPBA
  57         mww 0xbf882030 0x00004000
  58 }
  59
  60 set _FLASHNAME $_CHIPNAME.flash
  61 flash bank $_FLASHNAME pic32mx 0x1fc00000 0 0 0 $_TARGETNAME
  62 set _FLASHNAME $_CHIPNAME.flash
  63 flash bank $_FLASHNAME pic32mx 0x1d000000 0 0 0 $_TARGETNAME
  64
  65 # For more information about the configuration files, take a look at:
  66 # openocd.texi