Messages in this thread | | | From | Ohad Ben-Cohen <> | Date | Thu, 8 Dec 2011 09:57:43 +0200 | Subject | Re: [PATCH 4/7] amp/omap: add a remoteproc driver |
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Hi Tony,
On Tue, Oct 25, 2011 at 11:48 AM, Ohad Ben-Cohen <ohad@wizery.com> wrote: > Add a remoteproc driver for OMAP4, so we can boot the dual-M3 "Ducati" > and DSP subsystems. > > Use the omap_device_* API to control the hardware state, and utilize > the OMAP mailbox to interrupt the remote processor when a new message > is pending (the mailbox payload is used to tell it which virtqueue was > the message placed in). > > Conversely, when an inbound mailbox message arrives, tell the remoteproc > core which virtqueue is triggered. > > Later we will also use the mailbox payload to signal omap-specific > events like remote crashes (which will be used to trigger remoteproc > recovery) and power management transitions. At that point we will also > extend the remoteproc core to support this. > > Based on (but now quite far from) work done by Fernando Guzman Lugo > <fernando.lugo@ti.com> and Hari Kanigeri <h-kanigeri2@ti.com>. > > Designed with Brian Swetland <swetland@google.com>. > > Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> > Cc: Brian Swetland <swetland@google.com> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: Grant Likely <grant.likely@secretlab.ca> > Cc: Tony Lindgren <tony@atomide.com> > Cc: Russell King <linux@arm.linux.org.uk> > Cc: Rusty Russell <rusty@rustcorp.com.au> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Greg KH <greg@kroah.com> > Cc: Stephen Boyd <sboyd@codeaurora.org> > --- > arch/arm/plat-omap/include/plat/remoteproc.h | 56 ++++++ > drivers/amp/remoteproc/Kconfig | 21 +++ > drivers/amp/remoteproc/Makefile | 4 +- > drivers/amp/remoteproc/omap_remoteproc.c | 248 ++++++++++++++++++++++++++ > drivers/amp/remoteproc/omap_remoteproc.h | 69 +++++++ > 5 files changed, 397 insertions(+), 1 deletions(-) > create mode 100644 arch/arm/plat-omap/include/plat/remoteproc.h > create mode 100644 drivers/amp/remoteproc/omap_remoteproc.c > create mode 100644 drivers/amp/remoteproc/omap_remoteproc.h
I'm about to add this to linux-next (minus the 'amp' wording); can I please have your Acked-by for this (at least for the plat-omap change) ?
Thanks, Ohad. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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