[U-Boot] [PATCH v3 5/5] board/ti/am335x/README: update for NAND boot

Tom Rini trini at ti.com
Thu Aug 29 15:08:57 CEST 2013


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On 08/29/2013 09:01 AM, Gupta, Pekon wrote:
>>
>> On 08/29/2013 06:56 AM, Pekon Gupta wrote:
>>> NAND boot mode on AM335x EVM has been verified, and steps
>>> to use it has been documented and update in this README
>>>
>>> Signed-off-by: Pekon Gupta <pekon at ti.com>
>> [snip]
>>> +	# redundant copies of MLO are kept as backup
>>> +	U-Boot # load mmc 0 0x81000000 MLO
>>> +	U-Boot # nand write 0x81000000 0x00000 0x20000
>>> +	U-Boot # nand write 0x81000000 0x20000 0x20000
>>> +	U-Boot # nand write 0x81000000 0x40000 0x20000
>>> +	U-Boot # nand write 0x81000000 0x60000 0x20000
>>> +	# flash u-boot.img
>>> +	U-Boot # load mmc 0 0x81000000 u-boot.img
>>> +	U-Boot # nand write 0x81000000 0x80000 0x60000
>>
>> I had lumped these as a series of copies/loads and a single write as the
>> write operation was the long (time wise) part of the process.
>>
> Yes, I could see your comment. I just separated each for clarity to user. 
> feel you can drop this one..
> 
>>> +	# flash kernel image
>>> +	U-Boot # load mmc 0 0x81000000 uImage
>>> +	U-Boot # nand write 0x81000000 {kernel-load-address} 0x500000
>>> +	# flash filesystem image
>>> +	U-Boot # load mmc 0 0x81000000 {filesystem-image}
>>> +	U-Boot # nand write 0x81000000 {filesystem-load-address} 0x300000
>>
>> These should also reference real variables or MTD parts names.
> Opps sorry my bad.. 
> I looked it from different angle, just as an example.
> Therefore I added comments above each command to explain each step.
> 
> Anyways this particular patch is just updating README. So, if you may
> drop this PATCH 5/5..

No, I want the README updated, it's helpful.  We should just reference
the other example things we setup like mtdparts (and make use of
${filesize} :)  Thanks!

- -- 
Tom
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