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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] how to use 'eeprom read' command
Date: Mon, 24 Sep 2007 21:20:07 +0200	[thread overview]
Message-ID: <200709242120.07613.sr@denx.de> (raw)
In-Reply-To: <46F7FB60.3030903@smiths-aerospace.com>

On Monday 24 September 2007, Jerry Van Baren wrote:
> IIRC, "addr" is the memory (RAM) address that you read the eeprom data
> into or is the source tow rite the eeprom data out.  To read your i2c
> device 0x54, you would do something like:
>    eeprom read 54 0 0 10
> and then would be able to see the 16 bytes of data with the md command:
>    md 0
>
> Hope I'm not lying,

No, you are correct. But I would suggest to not use RAM address 0, because on 
some architectures the lower address range is reserved for exception vectors.

So please use:

=> eeprom read 54 100000 0 10

to read the first 16 (0x10) bytes to address 0x100000 (1MByte) in RAM.

Best regards,
Stefan

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      reply	other threads:[~2007-09-24 19:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-24 15:21 [U-Boot-Users] how to use 'eeprom read' command Sachin
2007-09-24 18:01 ` Jerry Van Baren
2007-09-24 19:20   ` Stefan Roese [this message]

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