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LIN8-8375 : erratum 30204 workaround for cav-octeon

Created: Dec 20, 2017    Updated: Dec 3, 2018
Resolved Date: Feb 2, 2018
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: BSP


There is a known issue where a watchdog initiated soft reset might not always work reliably - addressed by erratum 30204.
The following patch contains an example of how the fix should look like, under the comment 
+        * G-30204: We must trigger a soft reset before watchdog
+        * does an incomplete job of doing it.
+        */
Affected source file: bitbake_build/tmp/work-shared/cav-octeon3/kernel-source/drivers/watchdog/octeon-wdt-main.c

Config line: wrlinux-8/wrlinux/configure --enable-board=cav-octeon3 --enable-kernel=preempt-rt --enable-rootfs=glibc_small+initramfs-integrated --enable-multilib=lib64 --enable-build=production --enable-reconfig --with-init=systemd --with-rcpl-version=0023

A good comparison would be with the octeon sdk 3.1.2 source.

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