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The spl command is used to export a boot parameter image to RAM. Later
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it may implement more functions connected to the SPL.
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To execute the command everything has to be in place as if bootm should be
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used. (kernel image, initrd-image, fdt-image etc.)
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export has two subcommands:
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atags: exports the ATAGS
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spl export <ftd|atags> [kernel_addr] [initrd_addr] [fdt_addr if fdt]
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nand read 0x82000000 0x280000 0x400000 /* Read kernel image from NAND*/
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spl export atags /* export ATAGS */
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nand erase 0x680000 0x20000 /* erase - one page */
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nand write 0x80000100 0x680000 0x20000 /* write the image - one page */
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nand read 0x82000000 0x280000 0x400000 /* Read kernel image from NAND*/
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tftpboot 0x80000100 devkit8000.dtb /* Read fdt */
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spl export fdt 0x82000000 - 0x80000100 /* export FDT */
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nand erase 0x680000 0x20000 /* erase - one page */
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nand write <adress shown by spl export> 0x680000 0x20000