From: urwithsughosh at gmail.com <urwithsughosh@gmail.com>
Date: Mon, 17 Sep 2007 13:15:25 -0400
Subject: [U-Boot-Users] [PATCH]: Reset issue fix on mpc85xx
Message-ID: <20070917171525.GA3711@GNU>
List-Id: <u-boot.lists.denx.de>
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To: u-boot@lists.denx.de

Hello,
  I tried the v1.3.0-rc1 on the ADS board, and problem of the board
  reset through the 'reset' command pertains. I'm still not sure about
  the reason of the MSR getting cleared, but am using a brute force
  approach. 

Signed-off-by: Sughosh Ganu <urwithsughosh@gmail.com>


diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 08e0468..bbc5444 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -163,7 +163,12 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
         * Initiate hard reset in debug control register DBCR0
         * Make sure MSR[DE] = 1
         */
-               unsigned long val;
+               unsigned long val, msr;
+
+               msr = mfmsr ();
+               msr |= MSR_DE;
+               mtmsr (msr);
+
                val = mfspr(DBCR0);
                val |= 0x70000000;
                mtspr(DBCR0,val);

-- 
sughosh