From: Øyvind Harboe Date: Fri, 30 Jul 2010 20:34:43 +0000 (+0200) Subject: lpc7168: make flash available upon reset init X-Git-Tag: v0.5.0-rc1~479 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f4c1f08f164ab74a7893742218ac0f8dd4a2e473;p=openocd lpc7168: make flash available upon reset init set user mode to avoid ROM being mapped at address 0 rather than flash. Signed-off-by: Øyvind Harboe --- diff --git a/tcl/target/lpc1768.cfg b/tcl/target/lpc1768.cfg index fc00d78d..88827fa1 100644 --- a/tcl/target/lpc1768.cfg +++ b/tcl/target/lpc1768.cfg @@ -52,3 +52,22 @@ flash bank $_FLASHNAME lpc2000 0x0 0x80000 0 0 $_TARGETNAME \ # a reset-init handler) speeds it up. jtag_rclk [ expr 4000 / 6 ] $_TARGETNAME configure -event reset-start { jtag_rclk [ expr 4000 / 6] } + + +$_TARGETNAME configure -event reset-init { + # Do not remap 0x0000-0x0020 to anything but the flash (i.e. select + # "User Flash Mode" where interrupt vectors are _not_ remapped, + # and reside in flash instead). + # + # See Table 612. Memory Mapping Control register (MEMMAP - 0x400F C040) bit description + # Bit Symbol Value Description Reset + # value + # 0 MAP Memory map control. 0 + # 0 Boot mode. A portion of the Boot ROM is mapped to address 0. + # 1 User mode. The on-chip Flash memory is mapped to address 0. + # 31:1 - Reserved. The value read from a reserved bit is not defined. NA + # + # http://ics.nxp.com/support/documents/microcontrollers/?scope=LPC1768&type=user + + mww 0x400FC040 0x01 +}