[U-Boot] [PATCH] i.MX6 nand bootupdate, reworked

[Sergey Kubushyn]

On Wed, 28 Sep 2016, Jagan Teki wrote:

> On Wed, Sep 28, 2016 at 10:04 PM, Jagan Teki <jagannadh.teki at gmail.com> wrote:
>> On Sun, Jun 19, 2016 at 3:14 AM, Sergey Kubushyn <ksi at koi8.net> wrote:
>>> Here is yet another version, diff made against latest u-boot-imx master.
>>>
>>> Actual code moved from drivers/mtd/nand to /arch/arm/imx-common, some
>>> functions renamed. No other changes.
>>
>>
>> <snip>
>>
>>>         return CMD_RET_USAGE;
>>>  }
>>> @@ -766,6 +816,17 @@ static char nand_help_text[] =
>>>         "    'addr', skipping bad blocks and dropping any pages at the
>>> end\n"
>>>         "    of eraseblocks that contain only 0xFF\n"
>>>  #endif
>>> +#ifdef CONFIG_CMD_NAND_BOOTUPDATE
>>> +       "nand bootupdate - [addr] [size]\n"
>>
>> What is the addr here the nand offset or the ddr addr? I tried of
>> doing the same but unable to boot any help?
>>
>> $ dd if=SPL of=SPL-new bs=512 seek=2
>
> Sorry it's work for me w/o seek hope this is doing inside your code, thanks!

Yep, it is taken care of inside nand bootupdate code -- it allows to
just load u-boot.imx image without bothering with offsets or skipping
that leading empty kilobyte yourself.

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