[PATCH] OMAP3: run the ASM sleep code from DDR
Pavel Machek
pavel at ucw.cz
Tue Jul 12 02:07:55 EDT 2011
On Wed 2011-06-29 18:40:23, jean.pihet at newoldbits.com wrote:
> From: Jean Pihet <j-pihet at ti.com>
>
> Most of the ASM sleep code (in arch/arm/mach-omap2/sleep34xx.S)
> is copied to internal SRAM at boot and after wake-up from CORE OFF mode.
> However only a small part of the code really needs to run from internal SRAM.
>
> This fix lets most of the ASM idle code run from the DDR
> in order to minimize the SRAM usage and the overhead in the code copy.
So... what do you plan to use sram for? Because I don't think the
speedup is worth the complexity...
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
More information about the linux-arm-kernel
mailing list