From: Graeme Russ <graeme.russ@gmail.com>
Date: Sat, 12 Feb 2011 04:12:12 +0000 (+1100)
Subject: sc520: Release CAR and enable caching
X-Git-Tag: v2011.03-rc2~62
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6002bf03b4965053d7112c4ea2125d0b6548b0e9;p=oweals%2Fu-boot.git

sc520: Release CAR and enable caching
---

diff --git a/arch/i386/cpu/sc520/sc520.c b/arch/i386/cpu/sc520/sc520.c
index e5dcac675b..d0c313b91a 100644
--- a/arch/i386/cpu/sc520/sc520.c
+++ b/arch/i386/cpu/sc520/sc520.c
@@ -51,14 +51,20 @@ int cpu_init_f(void)
 	    "popl	%%ecx\n"
 	    "loop 0b\n": : : "ecx");
 
-	if (gd->flags & GD_FLG_COLD_BOOT) {
-		/* turn on the SDRAM write buffer */
-		writeb(0x11, &sc520_mmcr->dbctl);
-	}
-
 	return x86_cpu_init_f();
 }
 
+int cpu_init_r(void)
+{
+	/* Disable the PAR used for CAR */
+	writel(0x0000000, &sc520_mmcr->par[2]);
+
+	/* turn on the SDRAM write buffer */
+	writeb(0x11, &sc520_mmcr->dbctl);
+
+	return x86_cpu_init_r();
+}
+
 #ifdef CONFIG_SYS_SC520_RESET
 void reset_cpu(ulong addr)
 {