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git01.mediatek.com / filogic / uboot / 72e99043024506f8f5b3486b7c2433928b6599a7 / . / doc / README.sata
blob: d0ce6673b01a118278f5d013c9b1acbe1ac43916 [file] [log] [blame]
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]11. SATA usage in U-boot
2
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]3 There are two ways to operate the hard disk
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]4
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]5 * Read/write raw blocks from/to SATA hard disk
6 * ext2load to read a file from ext2 file system
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]7
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]81.0 How to read the SATA hard disk's information?
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]9
10 => sata info
11
Wolfgang Denk9a6a7e02008-03-27 00:03:57 +0100[diff] [blame]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)
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]16
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]171.1 How to raw write the kernel, file system, dtb to a SATA hard disk?
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]18
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]19 Notes: Hard disk sectors are normally 512 bytes, so
20 0x1000 sectors = 2 MBytes
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]21
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]22 write kernel
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]23 => tftp 40000 /tftpboot/uImage.837x
24 => sata write 40000 0 2000
25
26 write ramdisk
27 => tftp 40000 /tftpboot/ramdisk.837x
28 => sata write 40000 2000 8000
29
30 write dtb
31 => tftp 40000 /tftpboot/mpc837xemds.dtb
32 => sata write 40000 a000 1000
33
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]341.2 How to raw read the kernel, file system, dtb from a SATA hard disk?
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]35
36 load kernel
37 => sata read 200000 0 2000
38
39 load ramdisk
40 => sata read 1000000 2000 8000
41
42 load dtb
43 => sata read 2000000 a000 1000
44
45 boot
46 => bootm 200000 1000000 2000000
47
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]481.3 How to load an image from an ext2 file system in U-boot?
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]49
Dave Liud5f577f2008-03-27 18:49:56 +0800[diff] [blame]50 U-boot doesn't support writing to an ext2 file system, so the
51 files must be written by other means (e.g. linux).
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]52
53 => ext2ls sata 0:1 /
Wolfgang Denk9a6a7e02008-03-27 00:03:57 +0100[diff] [blame]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
Dave Liu2e57ae92008-03-26 22:54:44 +0800[diff] [blame]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