[U-Boot-Users] [PATCH v4 8/9] ata: add the readme for SATA command line

[Dave Liu]

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 <daveliu at freescale.com>
> > ---
> >  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
> > +
> 
> 
>