Boot to Linux command prompt on the TDA4-EVM:

1. Format the emmc and execute the following commands to copy filesystem from MMC-SD to eMMC.

   mkdir /mnt/emmc
   mkdir /mnt/sd
   mount /dev/mmcblk0p2 /mnt/emmc
   mount /dev/mmcblk1p2 /mnt/sd
   cp -r /mnt/sd/* /mnt/emmc
   sync

2. After the above step, you can optimize the MMC-SD aka sdhci1 node from DT by applying the patch below.

   0003-Linux-eMMC-filesystem.patch

3. Insert the SD card in ubuntu host machine. Build the dtb and update the combined_appImage with the latest DTB.

   cd $PSDK_LINUX_PATH/board-support/linux-5.10.162+gitAUTOINC+76b3e88d56-g76b3e88d56
   git apply 0003-Linux-eMMC-filesystem.patch
   make linux-dtbs
   cd $PSDK_RTOS_PATH/pdk_jacinto_08_06_00_31/packages/ti/boot/sbl/tools/combined_appimage
   make clean
   make BOARD=j721e_evm HLOS_BOOT=optimized
   cp $PSDK_RTOS_PATH/pdk_jacinto_08_06_00_31/packages/ti/boot/sbl/tools/combined_appimage/bin/j721e_evm/combined_opt.appimage /media/$USER/BOOT
   sync

4. Now, insert the SD card to TDA4-EVM and burn the new combined.appimage to OSPI:

   sf probe
   fatload mmc 1 ${loadaddr} combined_opt.appimage;
   sf update $loadaddr 0x100000 $filesize;

5. Power off the board.
6. Switch to OSPI.
7. Dip switch settings:
   1. SW8: 00000000
   2. SW9: 01000000
8. Boot the board.
9. SRV demo can be up in approximately 2.6 seconds.