From: Markus Niebel <list-09_u-boot@tqsc.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH ] MMC: fix user capacity for partitioned eMMC card
Date: Fri, 21 Nov 2014 12:51:43 +0100 [thread overview]
Message-ID: <546F274F.4060603@tqsc.de> (raw)
In-Reply-To: <546F1905.2070803@samsung.com>
Hello Jaehoon Chung
Am 21.11.2014 um 11:50 schrieb Jaehoon Chung:
> Hi, Markus.
>
> On 11/18/2014 11:11 PM, Markus Niebel wrote:
>> From: Markus Niebel <Markus.Niebel@tq-group.com>
>>
>> if the card claims to be high capacity and the card
>> is partitioned the capacity shall still be read from
>> ext_csd SEC_COUNT even if the resulting capacity is
>> smaller than 2 GiB
>
> I have one question.
> "smaller than 2GiB" means the size after completed partition?
Yes. Some cards enable a pseudo SLC mode using the enhanced partition attribute.
This results in reduced sizes after completion.
Tested with a 4 GB Micron eMMC (resulting size is around 1.8 GiB)
>
> Best Regards,
> Jaehoon Chung
>
Best Regards
Markus Niebel
next prev parent reply other threads:[~2014-11-21 11:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 14:11 [U-Boot] [PATCH ] MMC: fix user capacity for partitioned eMMC card Markus Niebel
2014-11-21 10:50 ` Jaehoon Chung
2014-11-21 11:51 ` Markus Niebel [this message]
2014-11-21 12:36 ` Jaehoon Chung
2014-12-12 18:33 ` Pantelis Antoniou
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