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 ENDIAN] } {
  13    set _ENDIAN $ENDIAN
  14 } else {
  15    set _ENDIAN little
  16 }
  17
  18 if { [info exists CPUTAPID ] } {
  19    set _CPUTAPID $CPUTAPID
  20 } else {
  21    set _CPUTAPID 0x4f1f0f0f
  22 }
  23
  24 jtag_nsrst_delay 200
  25 jtag_ntrst_delay 200
  26
  27 # NOTE!!! LPCs need reset pulled while RTCK is low. 0 to activate
  28 # JTAG, power-on reset is not enough, i.e. you need to perform a
  29 # reset before being able to talk to the LPC2148, attach is not possible.
  30
  31 reset_config trst_and_srst srst_pulls_trst
  32
  33 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  34
  35 set _TARGETNAME $_CHIPNAME.cpu
  36 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
  37
  38 $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
  39
  40 $_TARGETNAME configure -event reset-init {
  41         # Force target into ARM state
  42         armv4_5 core_state arm
  43
  44         # Do not remap 0x0000-0x0020 to anything but the flash (i.e. select
  45         # "User Flash Mode" where interrupt vectors are _not_ remapped,
  46         # and reside in flash instead).
  47         #
  48         # See section 7.1 on page 32 ("Memory Mapping control register") in
  49         # "UM10139: Volume 1: LPC214x User Manual", Rev. 02 -- 25 July 2006.
  50         # http://www.standardics.nxp.com/support/documents/microcontrollers/pdf/user.manual.lpc2141.lpc2142.lpc2144.lpc2146.lpc2148.pdf
  51         mwb 0xE01FC040 0x01
  52 }
  53
  54 # flash bank lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc_checksum]
  55 flash bank lpc2000 0x0 0x7d000 0 0 $_TARGETNAME lpc2000_v2 14765 calc_checksum