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| − | == Updating Firmware on the SPI flash ==
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| − | CL-SOM-iMX7 firmware can be updated from an SD card, USB storage, or using network TFTP download.
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| − | All methods are performed from the U-Boot command line and include following common steps:
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| − | # Loading binary image from the selected media to the CL-SOM-iMX7 DRAM
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| − | # Flashing image to the on-board SPI flash
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| − | === Common preparation steps ===
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| − | * Set common parameters:
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| − | <pre>
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| − | CL-SOM-iMX7 # setenv ubootsize 0x90000; setenv loadaddr 0x80800000
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| − | </pre>
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| − | === Updating from SD card ===
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| − | * Copy the firmware binary image {{filename|cl-som-imx7-firmware}} from [http://www.compulab.com/products/computer-on-modules/cl-som-imx7-freescale-i-mx-7-system-on-module/#devres U-Boot package for CL-SOM-iMX7] to the root directory of the SD card.
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| − | * Insert the MMC/SD card into the SD socket (P9) on the SBC-iMX7.
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| − | * Start the U-Boot MMC subsystem:
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| − | <pre>
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| − | CL-SOM-iMX7 # mmc dev 0
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| − | CL-SOM-iMX7 # mmc rescan
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| − | </pre>
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| − | * Check that the storage device is ready:
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| − | <pre>
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| − | CL-SOM-iMX7 # ls mmc 0
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| − | </pre>
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| − | * Load the firmware binary into the memory:
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| − | <pre>
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| − | CL-SOM-iMX7 # load mmc 0 ${loadaddr} cl-som-imx7-firmware
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| − | </pre>
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| − | * Proceed to [[#Flashing images|Flashing images]] section
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| − |
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| − | === Updating from USB storage ===
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| − | * Copy the firmware binary image {{filename|cl-som-imx7-firmware}} from [http://www.compulab.com/products/computer-on-modules/cl-som-imx7-freescale-i-mx-7-system-on-module/#devres U-Boot package for CL-SOM-iMX7] to the root directory of the USB storage device.
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| − | * Plug the USB storage to either port on the dual USB host connector P6 of the SBC-iMX7.
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| − | * Start the U-Boot USB subsystem:
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| − | <pre>
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| − | CL-SOM-iMX7 # usb start
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| − | </pre>
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| − | * Check that the storage device is ready:
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| − | <pre>
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| − | CL-SOM-iMX7 # ls usb 0
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| − | </pre>
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| − | * Load the firmware binary into the memory:
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| − | <pre>
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| − | CL-SOM-iMX7 # load usb 0 ${loadaddr} cl-som-imx7-firmware
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| − | </pre>
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| − | * Proceed to [[#Flashing images|Flashing images]] section
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| − |
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| | === Updating from TFTP server === | | === Updating from TFTP server === |
| | * Setup a TFTP server | | * Setup a TFTP server |
Latest revision as of 14:08, 26 October 2017
Updating from TFTP server
- Setup a TFTP server
- Put the firmware binary image cl-som-imx7-firmware from U-Boot package for CL-SOM-iMX7 in the root directory of the TFTP server
- Setup U-Boot networking:
- for dynamic IP configuration:
CL-SOM-iMX7 # dhcp
- or for static IP configuration:
CL-SOM-iMX7 # setenv ipaddr <ip address>
- Setup the TFTP server ip address:
CL-SOM-iMX7 # setenv serverip <server ip>
- Download the firmware binary into the memory:
CL-SOM-iMX7 # tftpboot ${loadaddr} cl-som-imx7-firmware
Flashing images
- Make U-Boot probe the on-board SPI flash:
CL-SOM-iMX7 # sf probe
- Erase the on-board SPI flash:
CL-SOM-iMX7 # sf erase 0 ${ubootsize}
- Write the firmware image into the on-board SPI flash:
CL-SOM-iMX7 # sf write ${loadaddr} 0 ${ubootsize}
- Reset the CL-SOM-iMX7 evaluation platform.
Default environment
It is recommended to set default environment after updating the U-Boot version:
CL-SOM-iMX7 # env default -a
CL-SOM-iMX7 # saveenv
