[PATCH 00/10] RPi mailbox support
Sascha Hauer
s.hauer at pengutronix.de
Mon Oct 21 04:46:21 EDT 2013
Hi Andre,
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.
I'm in Edinburgh this week and won't have much time. I'll have a loser
look next week. This series isn't lost. Thanks for working on this.
Sascha
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