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Setting MSR[DE] in do_reset

Hello,
   This patch ensures the soft reset of the board for the 85xx boards
   by setting the MSR[DE] in the do_reset function.

Signed-off-by: Sughosh Ganu <urwithsughosh@gmail.com>
urwithsughosh@gmail.com 17 年之前
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共有 1 个文件被更改,包括 6 次插入1 次删除
  1. 6 1
      cpu/mpc85xx/cpu.c

+ 6 - 1
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
 	 * Initiate hard reset in debug control register DBCR0
 	 * Make sure MSR[DE] = 1
 	 * Make sure MSR[DE] = 1
 	 */
 	 */
-		unsigned long val;
+		unsigned long val, msr;
+
+		msr = mfmsr ();
+		msr |= MSR_DE;
+		mtmsr (msr);
+
 		val = mfspr(DBCR0);
 		val = mfspr(DBCR0);
 		val |= 0x70000000;
 		val |= 0x70000000;
 		mtspr(DBCR0,val);
 		mtspr(DBCR0,val);