[PATCH 00/10] RPi mailbox support

Andre Heider a.heider at gmail.com
Tue Oct 22 12:57:29 EDT 2013


On Tue, Oct 22, 2013 at 03:34:05PM +0200, Sascha Hauer wrote:
> On Sat, Oct 19, 2013 at 02:18:41PM +0200, Andre Heider wrote:
> > This adds a bcm2835 mailbox driver for the RPi to talk to the on-SoC
> > VideoCore. See [1] for a description.
> > 
> > This patchset uses it to get two properties, the eMMC clock and the
> > memory size.
> > 
> > The RPi backend needs to use this driver early on, namely before the
> > MMU setup. We also want to use the driver in the future after the MMU setup,
> > like setting up simplefb for the kernel. Patch 1 and 2 lay the groundwork
> > for that.
> > 
> > The mailbox driver also needs to handle timouts, so patch 5 and 6 are
> > making the clocksource accessible earlier.
> > 
> > Patch 7 is the driver itself, providing a helper macro for users based on
> > a new common macro from patch 3.
> > 
> > Patch 8 and 9 switch the bc2835_mci driver from a local mailbox
> > implementation to the new driver.
> > 
> > Patch 10 uses the driver to get the proper memory size.
> > 
> > Patch 4 is just a cleanup.
> 
> Applied, thanks. I'll probably have a closer look at the caching bits
> later, but looks good for now.

Thanks Sascha!
Any particular concerns about the caching bits?

Regards,
Andre



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