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=== Instructions Environment variables===

The following environment variables are used by U-Boot environment variables are requiredfor loading a BMP image from the selected storage and displayed in the screen (read from framebuffer memory):

* <code>splashimage</code>: RAM address where the BMP image is loaded. Please note that it must be a 32-bit aligned address with a 0x2 offset (eg: 0x20000002)* loadsplash: comand for loading the BMP image from the storage device (e.g flash memory) to RAM. This command is automatically run by U-Boot at startup* <code>splashpos</code>: image position (eg: splashpos=m,m, for centering the image)Please note that loadsplash command will differ depends on used storage device.* <code>splashsize</code>: image size in bytes (default value 0x400000)

==== Splash The following environment variables are used for reading the splash image from the network:* <code>splashfile</code>: the splash image filename (default value is <code>splash_image.bmp</code>) to be read from the network* <code>loadsplashfile</code> loads the splash file from ''tftp'' in order to store the image in NOR SPI flash ====the internal storage device

===== Then, the following command is used for reading the image from the used storage device:* <code>loadsplash</code>: command for loading the BMP image from the storage device (e.g flash memory) to RAM. This command is automatically run by U-Boot variables when it executes <code>bootcmd</code> ===Splash image in NOR SPI flash === The following command is used to store in NOR SPI flash a BMP image loaded via tftp:

===== Commands ===== The following commands are used so, it is possibile to read a splash image from ''tftp'' and store it in NOR SPI flash a BMP image loaded via tftp:

==== Splash image in NAND flash ====

===== UThe following command is used to store in NAND flash a BMP image loaded via tftp (please note that the NAND mtd partition for the splash image ('''nand-Boot variables =====splash''') is defined using the <code>mtdparts</code> parameter, and then referenced by the nand {erase,read,write} commands):

Please note that the NAND mtd partition for the so, it is possibile to read a splash image (from ''tftp'nand-splash''') is defined using the <code>mtdparts</code> parameter, and then referenced by the nand {erase,read,write} commands. ===== Commands ===== The following commands are used to store it in NAND flash a BMP image loaded via tftp:

==== Splash image in SD/eMMC ====

===== UIn this example, the first partition - FAT format -Boot variables ====is used directly reading the ''${splashimage}'' BMP file. <pre>mmc_loadsplash=fatload mmc ${mmcdev}:1 ${loadaddr} ${splashfile}; cp.b ${loadaddr} ${splashimage} ${filesize}</pre>

In this exampleso, the first partition - FAT format - it is used possibile to read directly reading a splash image from the ''${splashimage}'' BMP file.eMMC partition: