static struct mtd_partition smdk_default_nand_part[] = {         [0] = { + .name = "bootloader", + .size = 0x00040000,                        // size = 0x40000 = 4*2^20 = 4M                 .offset = 0,                 // offset = 0x00         },         [1] = { + .name = "params", + .offset = MTDPART_OFS_APPEND,             // offset = 0x40000 + .size = 0x00020000,                       // size = 0x20000(2*2^16) = 128KB)         },         [2] = { + .name = "kernel", + .offset = MTDPART_OFS_APPEND,            // offset = 0x60000(0x40000(bootloader) + 0x20000(params)) + .size = 0x00200000,                      // size   = 0x200000(2*2^20 = 2M)         },         [3] = { + .name = "root", + .offset = MTDPART_OFS_APPEND,            // offset = 0x260000(0x6000(kernel) + 0x200000) + .size = MTDPART_SIZ_FULL,                // size   = FULL         }  };
uboot     tftp 0x30000000 u-boot.bin
    nand erase 0x00 0x40000      nand write 0x30000000 0x00 0x40000 kernel     tftp 0x30000000 uImage
    nand erase 0x60000 0x200000      nand write 0x30000000 0x60000 0x200000



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