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- # NXP LPC2478 ARM7TDMI-S with 512kB Flash and 64kB Local On-Chip SRAM (98kB total), clocked with 4MHz internal RC oscillator
-
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME lpc2478
- }
-
- if { [info exists ENDIAN] } {
- set _ENDIAN $ENDIAN
- } else {
- set _ENDIAN little
- }
-
- if { [info exists CPUTAPID ] } {
- set _CPUTAPID $CPUTAPID
- } else {
- set _CPUTAPID 0x4f1f0f0f
- }
-
- #delays on reset lines
- adapter_nsrst_delay 100
- jtag_ntrst_delay 100
-
- # LPC2000 -> SRST causes TRST
- reset_config trst_and_srst srst_pulls_trst
-
- jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
-
- set _TARGETNAME $_CHIPNAME.cpu
- target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4
-
- # LPC2478 has 64kB of SRAM on its main system bus (so-called Local On-Chip SRAM)
- $_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x10000 -work-area-backup 0
-
- $_TARGETNAME configure -event reset-init {
- # Force target into ARM state
- arm core_state arm
- # Do not remap 0x0000-0x0020 to anything but the Flash
- mwb 0xE01FC040 0x01
- }
-
- # LPC2378 has 512kB of FLASH, but upper 8kB are occupied by bootloader.
- # After reset the chip uses its internal 4MHz RC oscillator.
- # flash bank lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc checksum]
- set _FLASHNAME $_CHIPNAME.flash
- flash bank $_FLASHNAME lpc2000 0x0 0x7D000 0 0 $_TARGETNAME lpc2000_v2 12000 calc_checksum
-
- # Try to use RCLK, if RCLK is not available use "normal" mode. 4MHz / 6 = 666kHz, so use 500.
- jtag_rclk 500
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