Dear Aneesh V,
In message <4dd1189d.4050...@ti.com> you wrote:
>
> >> Save this information in SPL so that we can use the same media
> >> and mode to bootload u-boot.
> >>
> >> Signed-off-by: Aneesh V<ane...@ti.com>
> > ...
> >> + /* Store the boot device in omap4_boot_device */
> >> + ldr r2, [r0, #BOOT_DEVICE_OFFSET] @ r1<- value of boot device
> >> + and r2, #BOOT_DEVICE_MASK
> >> + ldr r3, =omap4_boot_device
> >> + str r2, [r3] @ omap4_boot_device<- r1
> >
> > Why don't you use stadard global data here?
>
> SPL has access to .data right from the beginning. Besides this is too
> early. global data is not initialized yet.
Please keep in mind that this is a special situation then. The code
will not work as intended for example when running form NOR flash.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
Good manners are the settled medium of social, as specie is of
commercial, life; returns are equally expected for both.
- Lord Chesterfield _Letters to his Son_, 25 December 1753
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