# 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 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 -chain-position $_TARGETNAME # 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 0 0 [calc checksum] set _FLASHNAME $_CHIPNAME.flash flash bank $_FLASHNAME lpc2000 0x0 0x7D000 0 0 $_TARGETNAME lpc2000_v2 4000 calc_checksum # Try to use RCLK, if RCLK is not available use "normal" mode. 4MHz / 6 = 666kHz, so use 500. jtag_rclk 500