From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: Boot from SD fail after 2013.02
Date: Thu, 18 Apr 2013 13:59:18 +0200 [thread overview]
Message-ID: <20130418115918.GG1906@pengutronix.de> (raw)
In-Reply-To: <1366283186.701174674@f366.mail.ru>
On Thu, Apr 18, 2013 at 03:06:26PM +0400, Alexander Shiyan wrote:
>
> So. OK, I temporary patch my board and it working now.
> Please forget about correct memory size, it is not true.
> Size is incorrect. Both banks are enabled and size detected as 512M.
> I think this size is programmed by flash_header:
> { .ptr_type = 4, .addr = 0x83fd9000, .val = 0xb2a20000, },
> { .ptr_type = 4, .addr = 0x83fd9008, .val = 0xb2a20000, },
>
> After program NAND and start from NAND, size is still wrong...
> So, what we can do it this case for proper operation? Disable second bank?
When writing the autodetection code I assumed that all boards correctly
setup the SDRAM controller. Appearently I was wrong.
I suggest disabling the second chip select since it's not used on your
board. However, I begin doubting that it was the right decision to
depend on ram size detection.
Sascha
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next prev parent reply other threads:[~2013-04-18 11:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1366188021.710900767@f16.mail.ru>
2013-04-17 10:01 ` Sascha Hauer
2013-04-17 11:40 ` Re[2]: " Alexander Shiyan
2013-04-17 12:02 ` Sascha Hauer
2013-04-17 12:19 ` Re[2]: " Alexander Shiyan
2013-04-17 12:22 ` Sascha Hauer
2013-04-18 11:06 ` Re[2]: " Alexander Shiyan
2013-04-18 11:59 ` Sascha Hauer [this message]
2013-04-18 17:02 ` Alexander Shiyan
2013-04-18 18:23 ` Sascha Hauer
2013-04-19 8:10 ` Re[2]: " Alexander Shiyan
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