| The spl command is used to export a boot parameter image to RAM. Later |
| it may implement more functions connected to the SPL. |
| |
| SUBCOMMAND EXPORT |
| To execute the command everything has to be in place as if bootm should be |
| used. (kernel image, initrd-image, fdt-image etc.) |
| |
| export has two subcommands: |
| atags: exports the ATAGS |
| fdt: exports the FDT |
| |
| Call is: |
| spl export <ftd|atags> [kernel_addr] [initrd_addr] [fdt_addr if fdt] |
| |
| |
| TYPICAL CALL |
| |
| on OMAP3: |
| nandecc hw |
| nand read 0x82000000 0x280000 0x400000 /* Read kernel image from NAND*/ |
| spl export atags /* export ATAGS */ |
| nand erase 0x680000 0x20000 /* erase - one page */ |
| nand write 0x80000100 0x680000 0x20000 /* write the image - one page */ |
| |
| call with FDT: |
| nandecc hw |
| nand read 0x82000000 0x280000 0x400000 /* Read kernel image from NAND*/ |
| tftpboot 0x80000100 devkit8000.dtb /* Read fdt */ |
| spl export fdt 0x82000000 - 0x80000100 /* export FDT */ |
| nand erase 0x680000 0x20000 /* erase - one page */ |
| nand write <adress shown by spl export> 0x680000 0x20000 |
