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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

-- 
Pengutronix e.K.                           |                             |
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  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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