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From: "Teresa Gámez" <t.gamez@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCHv2 2/2] ARM pcm043: change RAM timings
Date: Mon, 22 Aug 2011 15:51:05 +0200	[thread overview]
Message-ID: <1314021065-10784-2-git-send-email-t.gamez@phytec.de> (raw)
In-Reply-To: <1314021065-10784-1-git-send-email-t.gamez@phytec.de>

Update RAM timing for new sdrams (IS43DR16320B).
RAM timings are reworked with extended row cycle delay.
Timings where also tested with older sdrams (MT47H32M16).

Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
---
 arch/arm/boards/pcm043/lowlevel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/boards/pcm043/lowlevel.c b/arch/arm/boards/pcm043/lowlevel.c
index eff96f9..bbe586b 100644
--- a/arch/arm/boards/pcm043/lowlevel.c
+++ b/arch/arm/boards/pcm043/lowlevel.c
@@ -146,7 +146,7 @@ void __bare_init __naked board_init_lowlevel(void)
 	writel(0x00000304, ESDMISC); /* was 0x00000004 */
 
 	/* set timing paramters */
-	writel(0x00255417, ESDCFG0);
+	writel(0x0025541F, ESDCFG0);
 	/* select Precharge-All mode */
 	writel(0x92220000, ESDCTL0);
 	/* Precharge-All */
-- 
1.7.0.4


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  reply	other threads:[~2011-08-22 13:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-22 13:51 [PATCHv2 1/2] ARM pcm043: Use PDR0 to change cpu freq Teresa Gámez
2011-08-22 13:51 ` Teresa Gámez [this message]
2011-08-22 17:27 ` Sascha Hauer
2011-08-23  9:31   ` Teresa Gamez
2011-08-23 10:43     ` Sascha Hauer

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