From: "Grosen, Mark" <mgrosen@ti.com>
To: "Nori, Sekhar" <nsekhar@ti.com>, Sergei Shtylyov <sshtylyov@mvista.com>
Cc: Ohad Ben-Cohen <ohad@wizery.com>,
davinci-linux-open-source
<davinci-linux-open-source@linux.davincidsp.com>,
Arnd Bergmann <arnd@arndb.de>,
Brian Swetland <swetland@google.com>,
Rusty Russell <rusty@rustcorp.com.au>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Grant Likely <grant.likely@secretlab.ca>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: RE: [RFC 5/8] remoteproc: add davinci implementation
Date: Tue, 5 Jul 2011 16:54:21 +0000 [thread overview]
Message-ID: <FFF198FBBF957F4393BA834040FEFFA2032F6F@DFLE35.ent.ti.com> (raw)
In-Reply-To: <B85A65D85D7EB246BE421B3FB0FBB593024D91A2CC@dbde02.ent.ti.com>
> From: Nori, Sekhar
> Sent: Monday, July 04, 2011 10:35 PM
> To: Grosen, Mark; Sergei Shtylyov
...
> > > Since procedure to set the boot address varies across DaVinci
> > > platforms, you could have a callback populated in platform data
> > > which will be implemented differently for original DaVinci and
> > > DA8xx devices.
> >
> > I looked at DM6467 and it's the same as OMAPL13x, except at a
> different
> > address. Rather than a callback, it could be just an address in the
> > platform data.
>
> Sounds okay as long as _all_ the DaVinci devices have the same
> bit to be set. Plus, I hope there are no other users of the
> register so that there is no race with other platform code using
> the same register.
Sekhar,
The register is a dedicated 32-bit register that holds the start/boot
address for the DSP, so no other platform code should be using it. Once
the LRST is de-asserted (via the PSC code enhancement), the DSP starts
execution at the address in this register.
Thanks,
Mark
next prev parent reply other threads:[~2011-07-05 16:55 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-21 7:18 [RFC 0/8] Introducing a generic AMP/IPC framework Ohad Ben-Cohen
2011-06-21 7:18 ` [RFC 1/8] drivers: add generic remoteproc framework Ohad Ben-Cohen
2011-06-22 17:55 ` Randy Dunlap
2011-06-22 19:11 ` Ohad Ben-Cohen
2011-06-27 20:49 ` Grant Likely
2011-06-27 21:52 ` Grosen, Mark
2011-06-27 22:24 ` Grant Likely
2011-06-27 23:54 ` Grosen, Mark
2011-06-27 23:29 ` Russell King - ARM Linux
2011-06-27 23:35 ` Grant Likely
2011-06-28 21:55 ` Ohad Ben-Cohen
2011-06-28 21:41 ` Ohad Ben-Cohen
2011-06-21 7:18 ` [RFC 2/8] remoteproc: add omap implementation Ohad Ben-Cohen
2011-06-22 10:05 ` Will Newton
2011-06-22 10:50 ` Ohad Ben-Cohen
2011-06-27 21:00 ` Grant Likely
2011-06-29 15:04 ` Ohad Ben-Cohen
2011-06-29 15:31 ` Grant Likely
2011-06-21 7:18 ` [RFC 3/8] omap: add carveout memory support for remoteproc Ohad Ben-Cohen
2011-06-21 7:18 ` [RFC 4/8] omap: add remoteproc devices Ohad Ben-Cohen
2011-06-21 7:18 ` [RFC 5/8] remoteproc: add davinci implementation Ohad Ben-Cohen
2011-06-23 15:27 ` Sergei Shtylyov
2011-06-24 4:25 ` Grosen, Mark
2011-06-24 15:13 ` Sergei Shtylyov
2011-06-24 15:43 ` Nori, Sekhar
2011-06-27 18:31 ` Grosen, Mark
2011-07-05 5:29 ` Nori, Sekhar
2011-07-05 16:54 ` Grosen, Mark
2011-07-05 5:34 ` Nori, Sekhar
2011-07-05 16:54 ` Grosen, Mark [this message]
2011-07-06 4:36 ` Nori, Sekhar
2011-06-27 18:20 ` Grosen, Mark
2011-06-28 9:36 ` Nori, Sekhar
2011-06-21 7:18 ` [RFC 6/8] davinci: da850: add remoteproc dsp device Ohad Ben-Cohen
2011-06-28 10:18 ` Sergei Shtylyov
2011-06-21 7:18 ` [RFC 7/8] drivers: introduce rpmsg, a remote-processor messaging bus Ohad Ben-Cohen
2011-06-09 17:12 ` Pavel Machek
2011-07-19 5:38 ` Ohad Ben-Cohen
2011-06-22 2:42 ` Rusty Russell
2011-06-22 3:11 ` Sasha Levin
2011-06-22 10:46 ` Ohad Ben-Cohen
2011-09-14 18:38 ` Ohad Ben-Cohen
2011-09-15 0:12 ` Rusty Russell
2011-09-15 14:56 ` Ohad Ben-Cohen
2011-06-27 22:21 ` Grant Likely
2011-06-28 22:46 ` Ohad Ben-Cohen
2011-06-28 22:51 ` Grant Likely
2011-06-28 23:00 ` Ohad Ben-Cohen
2011-06-29 15:43 ` Grant Likely
2011-07-01 15:13 ` Ohad Ben-Cohen
2011-06-28 23:44 ` Randy Dunlap
2011-06-29 6:30 ` Ohad Ben-Cohen
2011-06-29 11:59 ` Arnd Bergmann
2011-06-29 12:29 ` Ohad Ben-Cohen
2011-06-21 7:18 ` [RFC 8/8] rpmsg: add omap host backend Ohad Ben-Cohen
2011-06-21 7:50 ` [RFC 0/8] Introducing a generic AMP/IPC framework Ohad Ben-Cohen
2011-06-21 9:30 ` Ohad Ben-Cohen
2011-06-21 14:20 ` Arnd Bergmann
2011-06-21 15:54 ` Grant Likely
2011-06-22 11:41 ` Ohad Ben-Cohen
2011-06-22 13:05 ` Arnd Bergmann
2011-06-22 13:09 ` Ohad Ben-Cohen
2011-06-23 12:23 ` Michael Williamson
2011-06-23 16:27 ` Grosen, Mark
2011-06-23 18:46 ` Arnd Bergmann
2011-06-24 4:32 ` Grosen, Mark
2011-06-24 20:16 ` Stephen Boyd
2011-06-26 1:11 ` Ohad Ben-Cohen
2011-06-26 1:17 ` Brian Swetland
2011-06-27 21:22 ` Grosen, Mark
2011-06-28 11:26 ` Ohad Ben-Cohen
2011-06-28 11:36 ` Brian Swetland
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