[U-Boot] [PATCH v2 1/5] board: ti: beagleboneai: emmc read changes

Lokesh Vutla lokeshvutla at ti.com
Tue Nov 26 03:21:19 UTC 2019

On 25/11/19 8:26 PM, Caleb Robey wrote:
> BeagleBoard.org BeagleBone AI rev A1 does not include a board
> identifier I2C EEPROM due to a design oversight. These boards have
> been put into production and are generally available now.
> The board identifier information, however, has been included in the
> second eMMC linear boot partition (/dev/mmcblk1boot1).
> This patch works by:
> * First, looking for a board identifier I2C EEPROM and if not found,
> * Then seeing if the boot mode matches BeagleBone AI with eMMC in the
>   boot chain to make sure we don't enable eMMC pinmuxes on boards
>   that don't support it, and
> * Finally, initializes the eMMC pins and reading the header.
> Signed-off-by: Jason Kridner <jdk at ti.com>
> Signed-off-by: Caleb Robey <c-robey at ti.com>
> Cc: Robert Nelson <robertcnelson at gmail.com>

Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>

Thanks and regards,

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