From ba96fc3e9de935708cd5fa7c38e547dc7598087d Mon Sep 17 00:00:00 2001 From: Spencer Oliver Date: Mon, 21 Dec 2009 17:23:09 +0000 Subject: [PATCH] PIC32: enable ram execution add reset-init script to allow ram execution from reset, this is required for ejtag fastdata access. Signed-off-by: Spencer Oliver --- tcl/target/pic32mx.cfg | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/tcl/target/pic32mx.cfg b/tcl/target/pic32mx.cfg index e0ebdc26..1561d730 100644 --- a/tcl/target/pic32mx.cfg +++ b/tcl/target/pic32mx.cfg @@ -31,7 +31,23 @@ jtag newtap $_CHIPNAME cpu -irlen 5 -ircapture 0x1 -irmask 0x1f -expected-id $_ set _TARGETNAME $_CHIPNAME.cpu target create $_TARGETNAME mips_m4k -endian $_ENDIAN -chain-position $_TARGETNAME -$_TARGETNAME configure -work-area-phys 0xa0000000 -work-area-size 16384 -work-area-backup 0 +$_TARGETNAME configure -work-area-phys 0xa0000800 -work-area-size 16384 -work-area-backup 0 + +$_TARGETNAME configure -event reset-init { + # + # from reset the pic32 cannot execute code in ram - enable ram execution + # minimum offset from start of ram is 2k + # + + # BMXCON + mww 0xbf882000 0x001f0040 + # BMXDKPBA: 0xa0000800 + mww 0xbf882010 0x00000800 + # BMXDUDBA + mww 0xbf882020 0x00004000 + # BMXDUPBA + mww 0xbf882030 0x00004000 +} set _FLASHNAME $_CHIPNAME.flash flash bank $_FLASHNAME pic32mx 0xbd000000 0 0 0 $_TARGETNAME -- 2.39.5