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From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] imx: imximage: add new CHECK/CLR BIT command
Date: Mon, 15 Jun 2015 17:53:19 +0200	[thread overview]
Message-ID: <557EF4EF.2000200@denx.de> (raw)
In-Reply-To: <CAOMZO5D3QNDCGVFz76DvByo-2UTdqAX=cuA-vev44DKG+JT+EA@mail.gmail.com>

Hi Peng,

On 15/06/2015 17:17, Fabio Estevam wrote:
> Hi Peng,
> 
> On Sun, Jun 14, 2015 at 6:38 AM, Peng Fan <Peng.Fan@freescale.com> wrote:
>> Since rom code supports the following commands, add new commands support in
>> imximage.
>>
>> 1. CHECK_BITS_SET 4 [address] [mask bit]
>>    means:
>>    while ((*address & mask) != mask);
>>
>> 2. CHECK_BITS_CLR 4 [address] [mask bit]
>>    means:
>>    while ((*address & ~mask) != 0);
>>
>> 2. CLR_BIT 4 [address] [mask bit]
>>    means:
>>    *address = *address & ~mask;
>>
>> dcd_v2_t is redefined, because there may not be only one write data command,
>> there may be many different commands like CHECK_BITS_SET, CHECK_BITS_CLR and
>> CLR_BIT.
>>
>> dcd_len is still leaved there, since changing it needs changes for dcd v1.
>> For v2, we check whether dcd size is larger than MAX_DCD_SIZE_V2, but not
>> dcd_len.
>>
>> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
> 
> What about just using SPL mechanism instead?


Thanks, Fabio. I can only join to your proposal.

Best regards,
Stefano Babic

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  parent reply	other threads:[~2015-06-15 15:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-14  9:38 [U-Boot] [PATCH] imx: imximage: add new CHECK/CLR BIT command Peng Fan
2015-06-15 15:17 ` Fabio Estevam
2015-06-15 15:20   ` Otavio Salvador
2015-06-15 15:26     ` Fabio Estevam
2015-06-15 17:55     ` Chris Kuethe
2015-06-15 17:58       ` Fabio Estevam
2015-06-15 15:53   ` Stefano Babic [this message]
2015-06-16  1:48     ` Peng Fan
2015-06-16 11:30       ` Stefano Babic
2015-06-28 11:00 ` Stefano Babic
2015-06-30  8:02   ` Peng Fan
2015-07-07 20:02     ` Nitin Garg
2015-07-08 13:16     ` Stefano Babic

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