From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 5/5] board/ti/am335x/README: update for NAND boot
Date: Thu, 29 Aug 2013 09:08:57 -0400 [thread overview]
Message-ID: <521F47E9.6050109@ti.com> (raw)
In-Reply-To: <20980858CB6D3A4BAE95CA194937D5E73EA05DA1@DBDE04.ent.ti.com>
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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@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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next prev parent reply other threads:[~2013-08-29 13:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-29 10:56 [U-Boot] [PATCH v3 0/5] mtd: nand: omap: optimize and clean-up of OMAP NAND driver Pekon Gupta
2013-08-29 10:56 ` [U-Boot] [PATCH v3 1/5] mtd: nand: omap: enable BCH ECC scheme using ELM for generic platform Pekon Gupta
2013-08-29 15:01 ` Tom Rini
2013-08-29 10:56 ` [U-Boot] [PATCH v3 2/5] mtd: nand: omap: optimize chip->ecc.hwctl() for H/W ECC schemes Pekon Gupta
2013-08-29 10:56 ` [U-Boot] [PATCH v3 3/5] mtd: nand: omap: optimize chip->ecc.calculate() " Pekon Gupta
2013-08-29 10:56 ` [U-Boot] [PATCH v3 4/5] mtd: nand: omap: optimized chip->ecc.correct() " Pekon Gupta
2013-08-29 10:56 ` [U-Boot] [PATCH v3 5/5] board/ti/am335x/README: update for NAND boot Pekon Gupta
2013-08-29 12:56 ` Tom Rini
[not found] ` <20980858CB6D3A4BAE95CA194937D5E73EA05DA1@DBDE04.ent.ti.com>
2013-08-29 13:08 ` Tom Rini [this message]
2013-08-29 16:06 ` [U-Boot] [PATCH v3 0/5] mtd: nand: omap: optimize and clean-up of OMAP NAND driver Tom Rini
[not found] ` <20980858CB6D3A4BAE95CA194937D5E73EA07FF2@DBDE04.ent.ti.com>
2013-08-29 17:47 ` Tom Rini
[not found] ` <20980858CB6D3A4BAE95CA194937D5E73EA0AA07@DBDE04.ent.ti.com>
2013-09-04 12:51 ` Tom Rini
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