[U-Boot] [PATCH 2/2] Tegra: MMC: Add DT support to MMC driverforall T20 boards

Stephen Warren
2013-02-05T20:51:38Z

On 02/05/2013 01:41 PM, Tom Warren wrote:
...
> I left the Paz00 tegra_mmc_init(3) call the same as originally (w/o
> the width and GPIO params, of course). The device numbering is kind of
> arbitrary - if there are only 2 MMC devices present, I'd expect dev 0
> to be eMMC and dev 1 to be SD (again, like my T20 reference board,
> Seaboard). I don't see that Paz uses mmc anywhere in its config files
> for a boot script - does it have to have mmc dev 3 be SD? or would dev
> 1 work? Note that the tegra20-common-post.h file that all T20 boards
> inherit uses dev 0 and dev 1.

This board currently uses U-Boot MMC device ID 0 for the eMMC and U-Boot
MMC device ID 1 for the SD card slot. The U-Boot device ID's aren't
directly related to the Tegra HW instance IDs.