From: Chris Metcalf <cmetcalf@tilera.com>
Date: Wed, 28 Aug 2013 23:53:17 +0000 (-0400)
Subject: tilegx: support KGDB
X-Git-Tag: v3.12-rc1~120^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8157107b13099d6eb2e8ccd00b9aba009c698c38;p=pandora-kernel.git

tilegx: support KGDB

Enter kernel debugger at boot with:
  --hvd UART_1=1 --hvx kgdbwait --hvx kgdboc=ttyS1,115200
or at runtime with:
  echo ttyS1,115200 > /sys/module/kgdboc/parameters/kgdboc
  echo g > /proc/sysrq-trigger

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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