X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2F52xx%2Fmpc52xx_common.c;h=ae7c34f37e1c2cca2d4b6885b61e24ddfa434386;hb=1f6d6e8ebe73ba9d9d4c693f7f6f50f661dbd6e4;hp=4d5fd1dbd4007a5235b5b170367e451cc4f40b67;hpb=b4de123a0bc4a3f0c90899864d51299628729952;p=linux-2.6-omap-h63xx.git

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 4d5fd1dbd40..ae7c34f37e1 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -90,7 +90,7 @@ mpc5200_setup_xlb_arbiter(void)
 	of_node_put(np);
 	if (!xlb) {
 		printk(KERN_ERR __FILE__ ": "
-			"Error mapping XLB in mpc52xx_setup_cpu().  "
+			"Error mapping XLB in mpc52xx_setup_cpu(). "
 			"Expect some abnormal behavior\n");
 		return;
 	}
@@ -99,11 +99,14 @@ mpc5200_setup_xlb_arbiter(void)
 	out_be32(&xlb->master_pri_enable, 0xff);
 	out_be32(&xlb->master_priority, 0x11111111);
 
-	/* Disable XLB pipelining
+	/*
+	 * Disable XLB pipelining
 	 * (cfr errate 292. We could do this only just before ATA PIO
 	 *  transaction and re-enable it afterwards ...)
+	 * Not needed on MPC5200B.
 	 */
-	out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
+	if ((mfspr(SPRN_SVR) & MPC5200_SVR_MASK) == MPC5200_SVR)
+		out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
 
 	iounmap(xlb);
 }
@@ -216,7 +219,8 @@ mpc52xx_restart(char *cmd)
 		out_be32(&mpc52xx_wdt->count, 0x000000ff);
 		out_be32(&mpc52xx_wdt->mode, 0x00009004);
 	} else
-		printk("mpc52xx_restart: Can't access wdt. "
+		printk(KERN_ERR __FILE__ ": "
+			"mpc52xx_restart: Can't access wdt. "
 			"Restart impossible, system halted.\n");
 
 	while (1);