[U-Boot] [PATCH v2 7/8] cmd_mmc.c: Add bootbus mmc sub-command

Tom Rini trini at ti.com
Tue Apr 22 17:41:22 CEST 2014


On Fri, Apr 18, 2014 at 11:25:23AM +0200, Michael Trimarchi wrote:

> Hi Tom
> 
> On Thu, Jan 30, 2014 at 10:31 PM, Tom Rini <trini at ti.com> wrote:
> > Add a bootbus sub-command to the mmc command to allow for setting
> > the boot_bus_width, reset_boot_bus_width and boot_mode fields of
> > BOOT_BUS_WIDTH (EXT_CSD[177]).
> >
> > Signed-off-by: Tom Rini <trini at ti.com>
> > ---
> 
> Can I ask if does it work even for OMAP4 device?
> So can I flash on boot0 and let omap4 bootrom to load from that?

In theory, yes.  I don't have hardware around in that exact setup, but
if the OMAP4 TRM talks about booting from the boot partition then yes,
this should let you set all the right bits.

-- 
Tom
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