JZ2440 分区与烧写

Posted 2021-02-17 gaoyang3513

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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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