tcl/target/lpc2148.cfg

   1 # Use RCLK. If RCLK is not available fall back to 500kHz.
   2 #
   3 # Depending on cabling you might be able to eek this up to 2000kHz.
   4 jtag_rclk 500
   5
   6 if { [info exists CHIPNAME] } {
   7    set _CHIPNAME $CHIPNAME
   8 } else {
   9    set _CHIPNAME lpc2148
  10 }
  11
  12 if { [info exists CPUTAPID ] } {
  13    set _CPUTAPID $CPUTAPID
  14 } else {
  15    set _CPUTAPID 0x4f1f0f0f
  16 }
  17
  18 adapter_nsrst_delay 200
  19 jtag_ntrst_delay 200
  20
  21 # NOTE!!! LPCs need reset pulled while RTCK is low. 0 to activate
  22 # JTAG, power-on reset is not enough, i.e. you need to perform a
  23 # reset before being able to talk to the LPC2148, attach is not possible.
  24
  25 reset_config trst_and_srst srst_pulls_trst
  26
  27 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  28
  29 set _TARGETNAME $_CHIPNAME.cpu
  30 target create $_TARGETNAME arm7tdmi -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
  31
  32 $_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
  33
  34 $_TARGETNAME configure -event reset-init {
  35         # Force target into ARM state
  36         arm core_state arm
  37
  38         # Do not remap 0x0000-0x0020 to anything but the flash (i.e. select
  39         # "User Flash Mode" where interrupt vectors are _not_ remapped,
  40         # and reside in flash instead).
  41         #
  42         # See section 7.1 on page 32 ("Memory Mapping control register") in
  43         # "UM10139: Volume 1: LPC214x User Manual", Rev. 02 -- 25 July 2006.
  44         # http://www.standardics.nxp.com/support/documents/microcontrollers/pdf/user.manual.lpc2141.lpc2142.lpc2144.lpc2146.lpc2148.pdf
  45         mwb 0xE01FC040 0x01
  46 }
  47
  48 # flash bank <name> lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc checksum]
  49 set _FLASHNAME $_CHIPNAME.flash
  50 flash bank $_FLASHNAME lpc2000 0x0 0x7d000 0 0 $_TARGETNAME lpc2000_v2 14765 calc_checksum