Difference between revisions of "Transclusion: IOT-GATE-iMX7 and SBC-IOT-iMX7: U-Boot: Boot from eMMC"

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(New page: * Use the following U-Boot commands to configure eMMC as the main storage for both Linux kernel and root filesystem images: <pre> CL-SOM-iMX7 # env default -a CL-SOM-iMX7 # setenv bootdela...)
 
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CL-SOM-iMX7 # env default -a
 
CL-SOM-iMX7 # env default -a
 
CL-SOM-iMX7 # setenv bootdelay 3
 
CL-SOM-iMX7 # setenv bootdelay 3
CL-SOM-iMX7 # setenv image zImage-cl-som-imx7
+
CL-SOM-iMX7 # setenv image zImage
 
CL-SOM-iMX7 # setenv loadaddr 0x80800000
 
CL-SOM-iMX7 # setenv loadaddr 0x80800000
 
CL-SOM-iMX7 # setenv fdt_file imx7d-sbc-iot-imx7.dtb
 
CL-SOM-iMX7 # setenv fdt_file imx7d-sbc-iot-imx7.dtb

Revision as of 12:33, 23 April 2017

  • Use the following U-Boot commands to configure eMMC as the main storage for both Linux kernel and root filesystem images:
CL-SOM-iMX7 # env default -a
CL-SOM-iMX7 # setenv bootdelay 3
CL-SOM-iMX7 # setenv image zImage
CL-SOM-iMX7 # setenv loadaddr 0x80800000
CL-SOM-iMX7 # setenv fdt_file imx7d-sbc-iot-imx7.dtb
CL-SOM-iMX7 # setenv fdt_addr 0x83000000
CL-SOM-iMX7 # setenv mmcroot "/dev/mmcblk2p2 rootwait rw"
CL-SOM-iMX7 # setenv loadimage 'load mmc 1:1 ${loadaddr} ${image}'
CL-SOM-iMX7 # setenv loadfdt 'load mmc 1:1 ${fdt_addr} ${fdt_file}'
CL-SOM-iMX7 # setenv bootargs "console=ttymxc0,115200 root=${mmcroot}"
CL-SOM-iMX7 # setenv bootcmd 'run loadimage; run loadfdt; bootz ${loadaddr} - ${fdt_addr}'
  • To save this configuration:
CL-SOM-iMX7 # saveenv
  • To boot Linux type:
CL-SOM-iMX7 # run bootcmd