if i use dfu-util -a 0 -R -D ./led_on nand write.e 0x32000000 0 0x1000
download led_on to the NAND. what the "start" in next function should be? int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size) i see this : neo1973-nand:0x00040000(u-boot), 0x00040000(u-boot_env), 0x00800000(kernel), 0x000a0000(splash), 0x00040000(factory), 0x0f420000(rootfs) is the "start" is 0x00040000?
