Uboot run mmc dev 1: no sdcard present

[lizhipaoniu]

SD card boot on Jetson Nano

Hi, I use a customized Carrier board(FLOYD Carrier for NVIDIA Jetson Nano / Xavier NX / TX2 NX) for Jetson nano, which uses emmc image(BSP) to boot. is it possible to make it to boot from SD card? I have this module : model : P3448 180-13448 - DAAA - B01 does it needs any HW support? this carrier board support an SD card slot, wich uses SDMMC_DAT0/1/2/3, SDMMC_CMD, SDMMC_CLK signals. Can I boot from it? Or Can I make an image to boot from this external SD card which is on carrier board? If…