Thanks, gvb. On Wed, 2008-03-26 at 23:25 +0800, Jerry Van Baren wrote: > Hi Dave, > > Proposed English polishing. > > Best regards, > gvb > > > Dave Liu wrote: > > Signed-off-by: Dave Liu <[EMAIL PROTECTED]> > > --- > > doc/README.sata | 69 ++++++++++++++++++++++++++++++++++++++++++++ > +++++++++++ > > 1 files changed, 69 insertions(+), 0 deletions(-) > > create mode 100644 doc/README.sata > > > > diff --git a/doc/README.sata b/doc/README.sata > > new file mode 100644 > > index 0000000..5cc69db > > --- /dev/null > > +++ b/doc/README.sata > > @@ -0,0 +1,69 @@ > > +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; > > * Read/write raw blocks from/to the SATA hard disk > > > + * ext2load read file from ext2 filesytem in hard disk > > * ext2load to read a file from an 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 > > + > > +SATA device 0: Model: ST3320620AS Firm: 3.AAD Ser#: > 4QF01ZTN > > + Type: Hard Disk > > + 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 > > s/wirte/write/ > > > + => tftp 40000 /tftpboot/uImage.837x > > + => sata write 40000 0 2000 > > + > > + write ramdisk > > + => tftp 40000 /tftpboot/ramdisk.837x > > + => sata write 40000 2000 8000 > > + > > + write dtb > > + => 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, filesystem, dtb from a SATA hard disk? > > > + > > + load kernel > > + => sata read 200000 0 2000 > > + > > + load ramdisk > > + => sata read 1000000 2000 8000 > > + > > + load dtb > > + => sata read 2000000 a000 1000 > > + > > + 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 . > > + <DIR> 4096 .. > > + <DIR> 16384 lost+found > > + 1352023 uImage.837x > > + 3646377 ramdisk.837x > > + 12288 mpc837xemds.dtb > > + 12 hello.txt > > + > > + => ext2load sata 0:1 200000 /uImage.837x > > + > > + => ext2load sata 0:1 1000000 /ramdisk.837x > > + > > + => ext2load sata 0:1 2000000 /mpc837xemds.dtb > > + > > + => bootm 200000 1000000 2000000 > > + > > >
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