1The spl command is used to export a boot parameter image to RAM. Later 2it may implement more functions connected to the SPL. 3 4SUBCOMMAND EXPORT 5To execute the command everything has to be in place as if bootm should be 6used. (kernel image, initrd-image, fdt-image etc.) 7 8export has two subcommands: 9 atags: exports the ATAGS 10 fdt: exports the FDT 11 12Call is: 13spl export <ftd|atags> [kernel_addr] [initrd_addr] [fdt_addr if fdt] 14 15 16TYPICAL CALL 17 18on OMAP3: 19nandecc hw 20nand read 0x82000000 0x280000 0x400000 /* Read kernel image from NAND*/ 21spl export atags /* export ATAGS */ 22nand erase 0x680000 0x20000 /* erase - one page */ 23nand write 0x80000100 0x680000 0x20000 /* write the image - one page */ 24 25call with FDT: 26nandecc hw 27nand read 0x82000000 0x280000 0x400000 /* Read kernel image from NAND*/ 28tftpboot 0x80000100 devkit8000.dtb /* Read fdt */ 29spl export fdt 0x82000000 - 0x80000100 /* export FDT */ 30nand erase 0x680000 0x20000 /* erase - one page */ 31nand write <adress shown by spl export> 0x680000 0x20000 32