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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 <ntfreak@users.sourceforge.net>
This commit is contained in:
Spencer Oliver 2009-12-21 17:23:09 +00:00
parent f6412d9c7b
commit ba96fc3e9d
1 changed files with 17 additions and 1 deletions
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18
tcl/target/pic32mx.cfg
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@ -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