|
- # NXP LPC2378 ARM7TDMI-S with 512kB Flash and 32kB Local On-Chip SRAM (58kB total), clocked with 4MHz internal RC oscillator
-
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME lpc2378
- }
-
- 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
- jtag_nsrst_delay 200
- jtag_ntrst_delay 200
-
- # 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
-
- # LPC2378 has 32kB of SRAM on its main system bus (so-called Local On-Chip SRAM)
- $_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x8000 -work-area-backup 0
-
- $_TARGETNAME configure -event reset-init {
- # Force target into ARM state
- soft_reset_halt
- #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>
- flash bank lpc2000 0x0 0x0007D000 0 0 0 lpc2000_v2 4000 calc_checksum
-
- # 4MHz / 6 = 666kHz, so use 500
- jtag_khz 500
|