tcl/target/lpc2478.cfg

   1 # NXP LPC2478 ARM7TDMI-S with 512kB Flash and 64kB Local On-Chip SRAM (98kB total), clocked with 4MHz internal RC oscillator
   2
   3 if { [info exists CHIPNAME] } {
   4         set  _CHIPNAME $CHIPNAME
   5 } else {
   6         set  _CHIPNAME lpc2478
   7 }
   8
   9 if { [info exists CPUTAPID ] } {
  10         set _CPUTAPID $CPUTAPID
  11 } else {
  12         set _CPUTAPID 0x4f1f0f0f
  13 }
  14
  15 #delays on reset lines
  16 adapter_nsrst_delay 100
  17 jtag_ntrst_delay 100
  18
  19 # LPC2000 -> SRST causes TRST
  20 reset_config trst_and_srst srst_pulls_trst
  21
  22 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  23
  24 set _TARGETNAME $_CHIPNAME.cpu
  25 target create $_TARGETNAME arm7tdmi -chain-position $_TARGETNAME
  26
  27 # LPC2478 has 64kB of SRAM on its main system bus (so-called Local On-Chip SRAM)
  28 $_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x10000 -work-area-backup 0
  29
  30 $_TARGETNAME configure -event reset-init {
  31         # Force target into ARM state
  32         arm core_state arm
  33         # Do not remap 0x0000-0x0020 to anything but the Flash
  34         mwb 0xE01FC040 0x01
  35 }
  36
  37 # LPC2378 has 512kB of FLASH, but upper 8kB are occupied by bootloader.
  38 # After reset the chip uses its internal 4MHz RC oscillator.
  39 # flash bank <name> lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc checksum]
  40 set _FLASHNAME $_CHIPNAME.flash
  41 flash bank $_FLASHNAME lpc2000 0x0 0x7D000 0 0 $_TARGETNAME lpc2000_v2 4000 calc_checksum
  42
  43 # Try to use RCLK, if RCLK is not available use "normal" mode. 4MHz / 6 = 666kHz, so use 500.
  44 jtag_rclk 500