tcl/target/lpc3131.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 ######################################
   4 # Target:    NXP lpc3131
   5 ######################################
   6
   7 if { [info exists CHIPNAME] } {
   8    set _CHIPNAME $CHIPNAME
   9 } else {
  10    set _CHIPNAME lpc3131
  11 }
  12
  13 if { [info exists ENDIAN] } {
  14    set _ENDIAN $ENDIAN
  15 } else {
  16    set _ENDIAN little
  17 }
  18
  19 # ARM926EJS core
  20 if { [info exists CPUTAPID] } {
  21    set _CPUTAPID $CPUTAPID
  22 } else {
  23    set _CPUTAPID 0x07926f0f
  24 }
  25
  26 # Scan Tap
  27 # Wired to separate STDO pin on the lpc3131, externally muxed to TDO on ea3131 module
  28 # JTAGSEL pin must be 0 to activate, which reassigns arm tdo to a pass through.
  29 if { [info exists SJCTAPID] } {
  30    set _SJCTAPID $SJCTAPID
  31 } else {
  32    set _SJCTAPID 0x1541E02B
  33 }
  34
  35 jtag newtap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
  36
  37 ##################################################################
  38 # various symbol definitions, to avoid hard-wiring addresses
  39 ##################################################################
  40
  41 global lpc313x
  42 set lpc313x [ dict create ]
  43
  44 # Physical addresses for controllers and memory
  45 dict set lpc313x sram0                  0x11028000
  46 dict set lpc313x sram1                  0x11040000
  47 dict set lpc313x uart                   0x15001000
  48 dict set lpc313x cgu                    0x13004000
  49 dict set lpc313x ioconfig               0x13003000
  50 dict set lpc313x sysconfig              0x13002800
  51 dict set lpc313x wdt                    0x13002400
  52
  53 ##################################################################
  54 # Target configuration
  55 ##################################################################
  56
  57 adapter srst delay 1000
  58 jtag_ntrst_delay 0
  59
  60 set _TARGETNAME $_CHIPNAME.cpu
  61 target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME
  62
  63 $_TARGETNAME invoke-event halted
  64
  65 $_TARGETNAME configure -work-area-phys [dict get $lpc313x sram0] -work-area-size 0x30000 -work-area-backup 0
  66
  67 $_TARGETNAME configure -event reset-init {
  68         echo "\nRunning reset init script for LPC3131\n"
  69         halt
  70         wait_halt
  71         reg cpsr 0xa00000d3     ;#Supervisor mode
  72         reg pc 0x11029000
  73         poll
  74         sleep 500
  75 }
  76
  77 arm7_9 fast_memory_access enable
  78 arm7_9 dcc_downloads enable