1 # NXP LPC2378 ARM7TDMI-S with 512kB Flash and 32kB Local On-Chip SRAM (58kB total), clocked with 4MHz internal RC oscillator
3 if { [info exists CHIPNAME] } {
4 set _CHIPNAME $CHIPNAME
9 if { [info exists ENDIAN] } {
15 if { [info exists CPUTAPID ] } {
16 set _CPUTAPID $CPUTAPID
18 set _CPUTAPID 0x4f1f0f0f
21 #delays on reset lines
25 # LPC2000 -> SRST causes TRST
26 reset_config trst_and_srst srst_pulls_trst
28 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
30 set _TARGETNAME $_CHIPNAME.cpu
31 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
33 # LPC2378 has 32kB of SRAM on its main system bus (so-called Local On-Chip SRAM)
34 $_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x8000 -work-area-backup 0
36 $_TARGETNAME configure -event reset-init {
37 # Force target into ARM state
39 #do not remap 0x0000-0x0020 to anything but the flash
43 # LPC2378 has 512kB of FLASH, but upper 8kB are occupied by bootloader.
44 # After reset the chip uses its internal 4MHz RC oscillator
45 #flash bank lpc2000 <base> <size> 0 0 <target#> <variant>
46 set _FLASHNAME $_CHIPNAME.flash
47 flash bank $_FLASHNAME lpc2000 0x0 0x0007D000 0 0 $_TARGETNAME lpc2000_v2 4000 calc_checksum
49 # 4MHz / 6 = 666kHz, so use 500