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- ######################################
- # Target: NXP lpc3131
- ######################################
- if { [info exists CHIPNAME] } {
- set _CHIPNAME $CHIPNAME
- } else {
- set _CHIPNAME lpc3131
- }
- if { [info exists ENDIAN] } {
- set _ENDIAN $ENDIAN
- } else {
- set _ENDIAN little
- }
- # ARM926EJS core
- if { [info exists CPUTAPID] } {
- set _CPUTAPID $CPUTAPID
- } else {
- set _CPUTAPID 0x07926f0f
- }
- # Scan Tap
- # Wired to separate STDO pin on the lpc3131, externally muxed to TDO on ea3131 module
- # JTAGSEL pin must be 0 to activate, which reassigns arm tdo to a pass through.
- if { [info exists SJCTAPID] } {
- set _SJCTAPID $SJCTAPID
- } else {
- set _SJCTAPID 0x1541E02B
- }
- jtag newtap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
- ##################################################################
- # various symbol definitions, to avoid hard-wiring addresses
- ##################################################################
- global lpc313x
- set lpc313x [ dict create ]
- # Physical addresses for controllers and memory
- dict set lpc313x sram0 0x11028000
- dict set lpc313x sram1 0x11040000
- dict set lpc313x uart 0x15001000
- dict set lpc313x cgu 0x13004000
- dict set lpc313x ioconfig 0x13003000
- dict set lpc313x sysconfig 0x13002800
- dict set lpc313x wdt 0x13002400
- ##################################################################
- # Target configuration
- ##################################################################
- adapter srst delay 1000
- jtag_ntrst_delay 0
- set _TARGETNAME $_CHIPNAME.cpu
- target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME
- $_TARGETNAME invoke-event halted
- $_TARGETNAME configure -work-area-phys [dict get $lpc313x sram0] -work-area-size 0x30000 -work-area-backup 0
- $_TARGETNAME configure -event reset-init {
- echo "\nRunning reset init script for LPC3131\n"
- halt
- wait_halt
- reg cpsr 0xa00000d3 ;#Supervisor mode
- reg pc 0x11029000
- poll
- sleep 500
- }
- arm7_9 fast_memory_access enable
- arm7_9 dcc_downloads enable
|
