From: Stefan Roese <sr@denx.de>
Date: Fri, 11 Jan 2008 14:53:58 +0000 (+0100)
Subject: ppc4xx: Fix sdram init on Sequoia boards
X-Git-Tag: v1.3.2-rc1~100^2~31^2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d5a163d6baa04f5a8edcc10ebc6fad08657d3093;p=oweals%2Fu-boot.git

ppc4xx: Fix sdram init on Sequoia boards

Clear possible errors in MCSR resulting from data-eye-search.
If not done, then we could get an interrupt later on when
exceptions are enabled.

Signed-off-by: Stefan Roese <sr@denx.de>
---

diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c
index 5e93f6c7a0..b43ec48091 100644
--- a/board/amcc/sequoia/sdram.c
+++ b/board/amcc/sequoia/sdram.c
@@ -106,5 +106,12 @@ long int initdram (int board_type)
 	denali_core_search_data_eye();
 #endif
 
+	/*
+	 * Clear possible errors resulting from data-eye-search.
+	 * If not done, then we could get an interrupt later on when
+	 * exceptions are enabled.
+	 */
+	set_mcsr(get_mcsr());
+
 	return (CFG_MBYTES_SDRAM << 20);
 }