according to gvb's suggestion, polishing for the doc.

Signed-off-by: Jerry Van Baren gerald.vanbaren@ge.com Signed-off-by: Dave Liu daveliu@freescale.com --- doc/README.sata | 24 ++++++++++++------------ 1 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/doc/README.sata b/doc/README.sata index 168dc7f..d0ce667 100644 --- a/doc/README.sata +++ b/doc/README.sata @@ -1,11 +1,11 @@ 1. SATA usage in U-boot

- Two ways to operate the hard disk + There are two ways to operate the hard disk

- * Raw read/write block from/to SATA hard disk; - * ext2load read file from ext2 filesytem in hard disk + * Read/write raw blocks from/to SATA hard disk + * ext2load to read a file from ext2 file system

-1.0 How to know the information of SATA hard disk? +1.0 How to read the SATA hard disk's information?

=> sata info

@@ -14,11 +14,12 @@ SATA device 0: Model: ST3320620AS Firm: 3.AAD Ser#: 4QF01ZTN Supports 48-bit addressing Capacity: 305245.3 MB = 298.0 GB (625142448 x 512)

-1.1 How to save the kernel, filesystem, dtb to SATA hard disk with raw? +1.1 How to raw write the kernel, file system, dtb to a SATA hard disk?

- Notes: 0x1000 sectors = 2 MBytes + Notes: Hard disk sectors are normally 512 bytes, so + 0x1000 sectors = 2 MBytes

- wirte kernel + write kernel => tftp 40000 /tftpboot/uImage.837x => sata write 40000 0 2000

@@ -30,7 +31,7 @@ SATA device 0: Model: ST3320620AS Firm: 3.AAD Ser#: 4QF01ZTN => tftp 40000 /tftpboot/mpc837xemds.dtb => sata write 40000 a000 1000

-1.2 How to read the kernel, filesystem, dtb from SATA hard disk with raw? +1.2 How to raw read the kernel, file system, dtb from a SATA hard disk?

load kernel => sata read 200000 0 2000 @@ -44,11 +45,10 @@ SATA device 0: Model: ST3320620AS Firm: 3.AAD Ser#: 4QF01ZTN boot => bootm 200000 1000000 2000000

-1.3 How to load image from ext2 filesystem in U-boot? +1.3 How to load an image from an ext2 file system in U-boot?

- U-boot doesn't support ext2 write to hard disk, so - you have to write the image to hard disk under Linux env, - before you load image from ext2 filesystem. + U-boot doesn't support writing to an ext2 file system, so the + files must be written by other means (e.g. linux).

=> ext2ls sata 0:1 / <DIR> 4096 .