11. SATA usage in U-boot 2 3 Two ways to operate the hard disk 4 5 * Raw read/write block from/to SATA hard disk; 6 * ext2load read file from ext2 filesytem in hard disk 7 81.0 How to know the information of SATA hard disk? 9 10 => sata info 11 12SATA device 0: Model: ST3320620AS Firm: 3.AAD Ser#: 4QF01ZTN 13 Type: Hard Disk 14 Supports 48-bit addressing 15 Capacity: 305245.3 MB = 298.0 GB (625142448 x 512) 16 171.1 How to save the kernel, filesystem, dtb to SATA hard disk with raw? 18 19 Notes: 0x1000 sectors = 2 MBytes 20 21 wirte kernel 22 => tftp 40000 /tftpboot/uImage.837x 23 => sata write 40000 0 2000 24 25 write ramdisk 26 => tftp 40000 /tftpboot/ramdisk.837x 27 => sata write 40000 2000 8000 28 29 write dtb 30 => tftp 40000 /tftpboot/mpc837xemds.dtb 31 => sata write 40000 a000 1000 32 331.2 How to read the kernel, filesystem, dtb from SATA hard disk with raw? 34 35 load kernel 36 => sata read 200000 0 2000 37 38 load ramdisk 39 => sata read 1000000 2000 8000 40 41 load dtb 42 => sata read 2000000 a000 1000 43 44 boot 45 => bootm 200000 1000000 2000000 46 471.3 How to load image from ext2 filesystem in U-boot? 48 49 U-boot doesn't support ext2 write to hard disk, so 50 you have to write the image to hard disk under Linux env, 51 before you load image from ext2 filesystem. 52 53 => ext2ls sata 0:1 / 54 <DIR> 4096 . 55 <DIR> 4096 .. 56 <DIR> 16384 lost+found 57 1352023 uImage.837x 58 3646377 ramdisk.837x 59 12288 mpc837xemds.dtb 60 12 hello.txt 61 62 => ext2load sata 0:1 200000 /uImage.837x 63 64 => ext2load sata 0:1 1000000 /ramdisk.837x 65 66 => ext2load sata 0:1 2000000 /mpc837xemds.dtb 67 68 => bootm 200000 1000000 2000000 69