[U-Boot,2/2] aspeed: use FIT-provided ramdisk if available

[Rick Altherr]

I couldn't find any prior examples.  I'll ask upstream what they think.

On Mon, Jan 16, 2017 at 4:33 PM, Joel Stanley <joel at jms.id.au> wrote:

> On Thu, Jan 12, 2017 at 1:13 PM, Rick Altherr <raltherr at google.com> wrote:
> > If the kernel FIT specifies a ramdisk, use it.  Otherwise, expect a
> > ramdisk at 0x20300000.
> >
> > Signed-off-by: Rick Altherr <raltherr at google.com>
> > ---
> >
> >  include/configs/ast-common.h | 6 +++++-
> >  1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/include/configs/ast-common.h b/include/configs/ast-common.h
> > index b39ea33ce7..110c780070 100644
> > --- a/include/configs/ast-common.h
> > +++ b/include/configs/ast-common.h
> > @@ -96,7 +96,11 @@
> >  #define CONFIG_ENV_OFFSET              0x60000 /* environment starts
> here  */
> >  #define CONFIG_ENV_SIZE                        0x20000 /* Total Size of
> Environment Sector */
> >
> > -#define CONFIG_BOOTCOMMAND     "bootm 20080000 20300000"
> > +#define CONFIG_BOOTCOMMAND     \
> > +       "fdt addr 20080000; " \
> > +       "if fdt get value ramdisk_conf /configurations/conf at 1 ramdisk;
> then " \
> > +       "    bootm 20080000; else bootm 20080000 20300000; " \
> > +       "fi"
>
> This feels a little clunky. Is this the method upstream suggests to
> solve this problem?
>
> Cheers,
>
> Joel
>
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