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From: Roger Quadros <rogerq@ti.com>
To: Tony Lindgren <tony@atomide.com>, Murali Karicheri <m-karicheri2@ti.com>
Cc: <s-anna@ti.com>, <ohad@wizery.com>, <bjorn.andersson@linaro.org>,
	<david@lechnology.com>, <nsekhar@ti.com>, <t-kristo@ti.com>,
	<nsaulnier@ti.com>, <jreeder@ti.com>, <woods.technical@gmail.com>,
	<linux-omap@vger.kernel.org>, <linux-remoteproc@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>
Subject: Re: [PATCH v2 01/14] dt-bindings: remoteproc: Add TI PRUSS bindings
Date: Wed, 6 Feb 2019 17:04:29 +0200	[thread overview]
Message-ID: <5C5AF77D.8020007@ti.com> (raw)
In-Reply-To: <20190205161945.GS5720@atomide.com>



On 05/02/19 18:19, Tony Lindgren wrote:
> * Murali Karicheri <m-karicheri2@ti.com> [190205 16:13]:
>> On 02/05/2019 10:41 AM, Roger Quadros wrote:
>>> What I'm suggesting here is that kernel remoteproc driver should have nothing to do
>>> with the other PRU's data RAM.
>>>
>>> The application driver if needs both PRUs then it can obviously access both DRAMs
>>> as it has a phandle to both PRUs.
>>>
>> That should be fine.
> 
> That sounds good to me too.
> 
> For dts, yeah please allocate the resources for the modules
> where the resources belong to on the PRUSS internal interconnect :)
> Devices can move around on the interconnect between SoCs and the
> modules can get swapped or added.

If you take a look at "Figure 30-1. PRU-ICSS Overview" in 
http://www.tij.co.jp/jp/lit/ug/spruhz7h/spruhz7h.pdf

You can see that DRAM0 and DRAM1 are not part of PRU. That means
they shouldn't be in the PRU node then.

cheers,
-roger

-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

  reply	other threads:[~2019-02-06 15:05 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-04 14:22 [PATCH v2 00/14] Add support for TI PRU ICSS Roger Quadros
2019-02-04 14:22 ` [PATCH v2 01/14] dt-bindings: remoteproc: Add TI PRUSS bindings Roger Quadros
2019-02-04 16:33   ` Tony Lindgren
2019-02-05  9:39     ` Roger Quadros
2019-02-05 15:08       ` Murali Karicheri
2019-02-05 15:41         ` Roger Quadros
2019-02-05 16:15           ` Murali Karicheri
2019-02-05 16:19             ` Tony Lindgren
2019-02-06 15:04               ` Roger Quadros [this message]
2019-02-14  2:47                 ` Suman Anna
2019-02-05 16:41       ` Tony Lindgren
2019-02-14  3:01         ` Suman Anna
2019-02-08 13:51   ` Linus Walleij
2019-02-14  3:12     ` Suman Anna
2019-02-14  8:37       ` Linus Walleij
2019-02-14 10:55         ` Roger Quadros
     [not found]           ` <86ef8asfap.wl-marc.zyngier@arm.com>
2019-02-14 15:44             ` Roger Quadros
2019-02-14 15:48               ` Roger Quadros
2019-02-15  0:59                 ` Suman Anna
2019-02-20  9:51                   ` Linus Walleij
2019-02-14 15:51               ` Marc Zyngier
2019-02-14 16:50                 ` Roger Quadros
2019-02-14  2:52   ` Suman Anna
2019-02-14 11:08     ` Roger Quadros
2019-02-14 15:56       ` Tony Lindgren
2019-02-15  1:22         ` Suman Anna
2019-02-15  1:08       ` Suman Anna
2019-02-15 13:43       ` Matthijs van Duin
2019-02-04 14:22 ` [PATCH v2 02/14] soc: ti: pruss: Add a platform driver for PRUSS in TI SoCs Roger Quadros
2019-02-04 14:52   ` Andrew F. Davis
2019-02-04 15:32     ` Roger Quadros
2019-02-04 16:35     ` Tony Lindgren
2019-02-04 14:22 ` [PATCH v2 03/14] dt-binding: irqchip: Add pruss-intc-irq driver for PRUSS interrupts Roger Quadros
2019-02-04 16:36   ` Tony Lindgren
2019-02-14  2:40   ` Suman Anna
2019-02-18 19:32   ` Rob Herring
2019-02-04 14:22 ` [PATCH v2 04/14] irqchip: pruss: Add a PRUSS irqchip " Roger Quadros
2019-02-04 15:11   ` Andrew F. Davis
2019-02-04 15:33     ` Roger Quadros
2019-02-05  8:51       ` Roger Quadros
2019-02-14  2:15         ` Suman Anna
2019-02-04 18:15   ` Tony Lindgren
2019-02-05 10:35     ` Roger Quadros
2019-02-05 11:04       ` Marc Zyngier
2019-02-14  2:16         ` Suman Anna
2019-02-04 14:22 ` [PATCH v2 05/14] remoteproc: add map parameter to da_to_va Roger Quadros
2019-02-04 14:22 ` [PATCH v2 06/14] remoteproc: add page lookup for TI PRU to ELF loader Roger Quadros
2019-02-04 15:19   ` Andrew F. Davis
2019-02-14  2:22     ` Suman Anna
2019-02-04 14:22 ` [PATCH v2 07/14] remoteproc: Add a rproc_set_firmware() API Roger Quadros
2019-02-04 14:22 ` [PATCH v2 08/14] remoteproc: Add support to handle device specific resource types Roger Quadros
2019-02-04 14:22 ` [PATCH v2 09/14] dt-binding: remoteproc: Add binding doc for PRU Cores in the PRU-ICSS Roger Quadros
2019-02-18 19:36   ` Rob Herring
2019-02-04 14:22 ` [PATCH v2 10/14] remoteproc/pru: Add PRU remoteproc driver Roger Quadros
2019-02-14  2:35   ` Suman Anna
2019-02-14  3:44     ` Suman Anna
2019-02-04 14:22 ` [PATCH v2 11/14] remoteproc/pru: Add pru_rproc_set_ctable() and pru_rproc_set_gpimode() Roger Quadros
2019-02-04 14:22 ` [PATCH v2 12/14] remoteproc/pru: Add support for virtio rpmsg stack Roger Quadros
2019-02-04 14:22 ` [PATCH v2 13/14] rpmsg: virtio_rpmsg_bus: move back rpmsg_hdr into a public header Roger Quadros
2019-02-04 14:22 ` [PATCH v2 14/14] rpmsg: pru: add a PRU RPMsg driver Roger Quadros
2019-02-04 15:26   ` Andrew F. Davis

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