diff options
| author | B. A. Bryce <bbcu2011@gmail.com> | 2011-08-02 11:33:03 +0100 |
|---|---|---|
| committer | Spencer Oliver <ntfreak@users.sourceforge.net> | 2011-08-02 13:10:03 +0100 |
| commit | 29f0ac0efd112f058fc2058665bb66daa80fb9f7 (patch) | |
| tree | 47d54676939b5f7423342640ecab7c2bc4350756 | |
| parent | d02dfff48b0051ddf4142c9e2d657811ff30eec8 (diff) | |
cfg: allow stellaris device class override
Some devices, eg. The Tempest class return the wrong device class
when queried. Add the ability to manually override the device class.
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
| -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 |