The SD spec calls out MBR with a single partition and FAT32 or exFAT file system based on size. You need to follow those rules if you want to use it with embedded devices. A general purpose OS will treat the SD card like a disk and the format does not really matter.
Thanks, Andrew Fish > On Jun 2, 2017, at 10:30 AM, Blibbet <[email protected]> wrote: > > On 06/02/2017 12:23 AM, Shubham Mittal wrote: >> Hi all, >> >> Is there any utility/tool by which i can format sd card(connected to > board) using UEFI shell. >> >> As of now, i have to detach it and format it and attach it again.. > > I'm not sure this answers your question or not, but Intel has some UEFI > disk utilities, but they're pre-EDK2 and non-BSD licensed. So you can > fdisk/format from within the UEFI Shell, for FAT volumes. Brian of Intel > says that there is work underway to revise these tools, unclear of what > (perhaps relicense these tools, make them work with current toolchain, > and perhaps transfer them from Intel to UEFI Forum) and when. See this > message: > > https://lists.01.org/pipermail/edk2-devel/2016-October/002734.html > > Hmm, it looks like URL has changed: > https://firmware.intel.com/content/uefidiskutilitiesagreement > And the zip is no longer password-protected, thanks Intel lawyers! > But the contents appear to be still last-updated in 2011. > > HTH, > Lee Fisher > > _______________________________________________ > edk2-devel mailing list > [email protected] > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
