From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] arm: at91sam9n12: change EBI IO to high drive mode
Date: Wed, 17 Jul 2013 12:10:40 +0200 [thread overview]
Message-ID: <20130717121040.4f0e1243@lilith> (raw)
In-Reply-To: <1374052458-3326-1-git-send-email-voice.shen@atmel.com>
Hi Bo,
On Wed, 17 Jul 2013 17:14:17 +0800, Bo Shen <voice.shen@atmel.com>
wrote:
> As both the DDR SDRAM and NAND flash connect to EBI on at91sam9n12
> and share the lower 8 bits data line. If use low drive of the data
> line, it will cause DDR data access corrupt in lower address, so
> change the data line to high drive mode
>
> This will fix the Linux kernel boot issue when use Lower address
Wait--does this mean that there is no separate chip selects for NAND and
DDR on this SoC?
Amicalement,
--
Albert.
next prev parent reply other threads:[~2013-07-17 10:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-17 9:14 [U-Boot] [PATCH] arm: at91sam9n12: change EBI IO to high drive mode Bo Shen
2013-07-17 10:10 ` Albert ARIBAUD [this message]
2013-07-17 10:27 ` Bo Shen
2013-07-17 10:42 ` Albert ARIBAUD
2013-07-17 11:27 ` Michael Cashwell
2013-07-17 13:05 ` Albert ARIBAUD
2013-07-17 17:05 ` Michael Cashwell
2013-07-19 1:51 ` Bo Shen
2013-07-19 6:54 ` Albert ARIBAUD
2013-07-19 12:13 ` Tom Rini
2013-07-20 23:02 ` Andreas Bießmann
2013-07-22 1:59 ` Bo Shen
2013-07-22 14:11 ` [U-Boot] " Tom Rini
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