1 # Use RCLK. If RCLK is not available fall back to 500kHz.
3 # Depending on cabling you might be able to eek this up to 2000kHz.
6 if { [info exists CHIPNAME] } {
7 set _CHIPNAME $CHIPNAME
12 if { [info exists ENDIAN] } {
18 if { [info exists CPUTAPID ] } {
19 set _CPUTAPID $CPUTAPID
21 set _CPUTAPID 0x4f1f0f0f
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.
31 reset_config trst_and_srst srst_pulls_trst
33 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
35 set _TARGETNAME [format "%s.cpu" $_CHIPNAME]
37 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
39 $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
41 $_TARGETNAME configure -event reset-init {
42 # Force target into ARM state.
45 # Do not remap 0x0000-0x0020 to anything but the flash (i.e. select
46 # "User Flash Mode" where interrupt vectors are _not_ remapped,
47 # and reside in flash instead).
49 # See section 7.1 on page 32 ("Memory Mapping control register") in
50 # "UM10139: Volume 1: LPC214x User Manual", Rev. 02 -- 25 July 2006.
51 # http://www.standardics.nxp.com/support/documents/microcontrollers/pdf/user.manual.lpc2141.lpc2142.lpc2144.lpc2146.lpc2148.pdf
55 # flash bank lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc_checksum]
56 flash bank lpc2000 0x0 0x7d000 0 0 0 lpc2000_v2 14765