From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Date: Tue, 05 Feb 2013 13:51:38 -0700 Subject: [U-Boot] [PATCH 2/2] Tegra: MMC: Add DT support to MMC driverforall T20 boards In-Reply-To: References: <1360021735-13286-1-git-send-email-twarren@nvidia.com> <1840400.szc2ZZKqeu@fb07-iapwap2> <1745057.lvCEnp1xgN@ax5200p> Message-ID: <511170DA.3060400@wwwdotorg.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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.