[U-Boot] mmc erase Command and Bad Sectors

Jaehoon Chung jh80.chung at samsung.com
Wed Jul 27 13:34:27 CEST 2016


On 07/26/2016 10:41 PM, Aron L. Phillips wrote:
> To whom it may concern:
> 
> I am not sure how this email list works but I am interested in knowing what exactly does the mmc erase command do? I know it erases the mmc, but in what manner? Does it clear bad sector marks or for that matter, place them? Any explanation would be greatly appreciated. The type of mmc I am using is a Kingston eMMC data flash that is similar to an SD card on an IC.
> Sincerely,

Do you want to know ERASE command(CMD38) that supported on only u-boot side?

Best Regards,
Jaehoon Chung

> 
> 
> 
> Aron L. Phillips
> Software/Hardware Developer
> GHI Electronics, LLC
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