diff options
Diffstat (limited to 'tcl/target/stellaris.cfg')
| -rw-r--r-- | tcl/target/stellaris.cfg | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tcl/target/stellaris.cfg b/tcl/target/stellaris.cfg index d6314987..b985de05 100644 --- a/tcl/target/stellaris.cfg +++ b/tcl/target/stellaris.cfg @@ -1,5 +1,17 @@ # TI/Luminary Stellaris LM3S chip family +# Some devices have errata in returning their device class. +# DEVICECLASS is provided as a manual override +# Manual setting of a device class of 0xff is not allowed + +global _DEVICECLASS + +if { [info exists DEVICECLASS ] } { + set _DEVICECLASS $DEVICECLASS +} else { + set _DEVICECLASS 0xff +} + # Luminary chips support both JTAG and SWD transports. # Adapt based on what transport is active. source [find target/swj-dp.tcl] @@ -74,7 +86,14 @@ $_TARGETNAME configure -event reset-start { # /openocd-development/2008-August/003065.html # - set device_class [expr (([mrw 0x400fe000] >> 16) & 0xff)] + global _DEVICECLASS + + if {$_DEVICECLASS != 0xff} { + set device_class $_DEVICECLASS + } else { + set device_class [expr (([mrw 0x400fe000] >> 16) & 0xff)] + } + if {$device_class == 0 || $device_class == 1 || $device_class == 3} { # Sandstorm, Fury and DustDevil are able to use NVIC SYSRESETREQ cortex_m3 reset_config sysresetreq |