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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>
# TI/Luminary Stellaris LM3S chip family
# 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 $DEVICECLASS
+} else {
+ set _DEVICECLASS 0xff
+}
+
# Luminary chips support both JTAG and SWD transports.
# Adapt based on what transport is active.
source [find target/swj-dp.tcl]
# Luminary chips support both JTAG and SWD transports.
# Adapt based on what transport is active.
source [find target/swj-dp.tcl]
# /openocd-development/2008-August/003065.html
#
# /openocd-development/2008-August/003065.html
#
- set device_class [expr (([mrw 0x400fe000] >> 16) & 0xff)]
+ global _DEVICECLASS
+
+ if {$_DEVICECLASS != 0xff} {
+ set device_class $_DEVICECLASS
+ } else {
+ set device_class [expr (([mrw 0x400fe000] >> 16) & 0xff)]
+ }
+
if {$device_class == 0 || $device_class == 1 || $device_class == 3} {
# Sandstorm, Fury and DustDevil are able to use NVIC SYSRESETREQ
cortex_m3 reset_config sysresetreq
if {$device_class == 0 || $device_class == 1 || $device_class == 3} {
# Sandstorm, Fury and DustDevil are able to use NVIC SYSRESETREQ
cortex_m3 reset_config sysresetreq
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