From: Marek Vasut <marex@denx.de>
Date: Tue, 2 May 2017 18:27:41 +0000 (+0200)
Subject: ARM: at91: ma5d4: Switch DDR2 controller to sequencial address decoding
X-Git-Tag: v2017.07-rc3~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ae625ae5a14f63400b8e5ee901a27248037a2339;p=platform%2Fkernel%2Fu-boot.git

ARM: at91: ma5d4: Switch DDR2 controller to sequencial address decoding

According to the datasheet, sequential mapping is used for DDR
SDRAM, while interleaved mapping is used for regular SDRAM.
Incorrect configuration of this bit does indeed cause sporadic
memory instability.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Wenyou Yang <wenyou.yang@atmel.com>
---

diff --git a/board/aries/ma5d4evk/ma5d4evk.c b/board/aries/ma5d4evk/ma5d4evk.c
index 8146371..dd74e29 100644
--- a/board/aries/ma5d4evk/ma5d4evk.c
+++ b/board/aries/ma5d4evk/ma5d4evk.c
@@ -349,7 +349,6 @@ static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 		    ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
 		    ATMEL_MPDDRC_CR_NB_8BANKS |
 		    ATMEL_MPDDRC_CR_NDQS_DISABLED |
-		    ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
 		    ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
 
 	ddr2->rtr = 0x2b0;