1 # NXP LPC1768 Cortex-M3 with 512kB Flash and 32kB+32kB Local On-Chip SRAM,
3 if { [info exists CHIPNAME] } {
4 set _CHIPNAME $CHIPNAME
9 # After reset the chip is clocked by the ~4MHz internal RC oscillator.
10 # When board-specific code (reset-init handler or device firmware)
11 # configures another oscillator and/or PLL0, set CCLK to match; if
12 # you don't, then flash erase and write operations may misbehave.
13 # (The ROM code doing those updates cares about core clock speed...)
15 # CCLK is the core clock frequency in KHz
16 if { [info exists CCLK ] } {
21 if { [info exists CPUTAPID ] } {
22 set _CPUTAPID $CPUTAPID
24 set _CPUTAPID 0x4ba00477
27 #delays on reset lines
28 adapter_nsrst_delay 200
31 # LPC2000 & LPC1700 -> SRST causes TRST
32 reset_config srst_pulls_trst
34 jtag newtap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
36 set _TARGETNAME $_CHIPNAME.cpu
37 target create $_TARGETNAME cortex_m3 -chain-position $_TARGETNAME
39 # LPC1768 has 32kB of SRAM In the ARMv7-M "Code" area (at 0x10000000)
40 # and 32K more on AHB, in the ARMv7-M "SRAM" area, (at 0x2007c000).
41 $_TARGETNAME configure -work-area-phys 0x10000000 -work-area-size 0x8000
43 # LPC1768 has 512kB of flash memory, managed by ROM code (including a
44 # boot loader which verifies the flash exception table's checksum).
45 # flash bank <name> lpc2000 <base> <size> 0 0 <target#> <variant> <clock> [calc checksum]
46 set _FLASHNAME $_CHIPNAME.flash
47 flash bank $_FLASHNAME lpc2000 0x0 0x80000 0 0 $_TARGETNAME \
48 lpc1700 $_CCLK calc_checksum
50 # Run with *real slow* clock by default since the
51 # boot rom could have been playing with the PLL, so
52 # we have no idea what clock the target is running at.
55 $_TARGETNAME configure -event reset-init {
56 # Do not remap 0x0000-0x0020 to anything but the flash (i.e. select
57 # "User Flash Mode" where interrupt vectors are _not_ remapped,
58 # and reside in flash instead).
60 # See Table 612. Memory Mapping Control register (MEMMAP - 0x400F C040) bit description
61 # Bit Symbol Value Description Reset
63 # 0 MAP Memory map control. 0
64 # 0 Boot mode. A portion of the Boot ROM is mapped to address 0.
65 # 1 User mode. The on-chip Flash memory is mapped to address 0.
66 # 31:1 - Reserved. The value read from a reserved bit is not defined. NA
68 # http://ics.nxp.com/support/documents/microcontrollers/?scope=LPC1768&type=user