From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Mon, 25 Jan 2016 16:28:55 -0500 Subject: [U-Boot] env_mmc: support overriding mmc dev from board code In-Reply-To: <1453301017-6705-1-git-send-email-clemens.gruber@pqgruber.com> References: <1453301017-6705-1-git-send-email-clemens.gruber@pqgruber.com> Message-ID: <20160125212855.GY3359@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Wed, Jan 20, 2016 at 03:43:37PM +0100, Clemens Gruber wrote: > This enables boards to choose where to/from the environment should be > saved/loaded. They can then for example support using the same device > (dynamically) from which the bootloader was launched to load and save > env data and do not have to define CONFIG_SYS_MMC_ENV_DEV statically. > > In my use case, the environment needs to be on the same device I > booted from. It can be the eMMC or an optional SD card. > I therefore would override mmc_get_env_dev in the board code, read the > CPU registers to determine where we booted from and return the > corresponding device index. > > Cc: Tom Rini > Cc: Stephen Warren > Cc: Tim Harvey > Cc: Simon Glass > Cc: Hans de Goede > > Signed-off-by: Clemens Gruber > Reviewed-by: Stephen Warren > Reviewed-by: Tom Rini Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: