diff options
| -rw-r--r-- | tcl/target/lpc2478.cfg | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/tcl/target/lpc2478.cfg b/tcl/target/lpc2478.cfg index 8467570..2cd760c 100644 --- a/tcl/target/lpc2478.cfg +++ b/tcl/target/lpc2478.cfg @@ -1,35 +1,49 @@ -# Testing feeedback wanted! -set _CHIPNAME lpc2478 -set _ENDIAN little -set _CPUTAPID 0x4f1f0f0f - -# Use RCLK. If RCLK is not available fall back to 500kHz. -# -# Depending on cabling you might be able to eek this up to 2000kHz. -jtag_rclk 500 +# NXP LPC2478 ARM7TDMI-S with 512kB Flash and 64kB Local On-Chip SRAM (98kB total), clocked with 4MHz internal RC oscillator -jtag_nsrst_delay 200 -jtag_ntrst_delay 200 +if { [info exists CHIPNAME] } { + set _CHIPNAME $CHIPNAME +} else { + set _CHIPNAME lpc2478 +} -#use combined on interfaces or targets that can't set TRST/SRST separately -reset_config trst_and_srst srst_pulls_trst +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 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 [format "%s.cpu" $_CHIPNAME] target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm7tdmi-s_r4 -$_TARGETNAME configure -work-area-virt 0 -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0 +# LPC2478 has 64kB 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 0x10000 -work-area-backup 0 $_TARGETNAME configure -event reset-init { # Force target into ARM state soft_reset_halt - # FIX!!!! should we remap the range below??? Is this applicable to - # Copied from LPC2148. - #do not remap 0x0000-0x0020 to anything but the flash + # 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] flash bank lpc2000 0x0 0x7D000 0 0 0 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 |