On Thu, Oct 29, 2020 at 07:19:47PM -0300, Otavio Salvador wrote: > Hi, > > I am working on porting mainline U-Boot to a custom AM335X board that > only has eMMC as the boot medium. > > I can load U-Boot via serial boot and flash MLO and u-boot.img into > the eMMC using DFU. Then the board boots successfully via eMMC. > > Now I want to run the "ums" command to be able to mount the eMMC on > the host. The problem I am getting is that when I select > CONFIG_CMD_USB_MASS_STORAGE=y the board no longer boots. > > Does anyone know why selecting CONFIG_CMD_USB_MASS_STORAGE=y causes > the board to not boot anymore?
Have you otherwise confirmed that you have gadget support configured / enabled correctly on the board? The first thing that comes to mind with that type of problem is clock/pinmux being wrong. -- Tom
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