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From: Bryan Brattlof <bb@ti.com>
To: Hari Nagalla <hnagalla@ti.com>
Cc: <vigneshr@ti.com>, <kristo@kernel.org>, <robh+dt@kernel.org>,
	<krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>,
	<nm@ti.com>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>
Subject: Re: [PATCH v3 4/4] arm64: dts: ti: k3-am62a7-sk: Enable ipc with remote proc nodes
Date: Mon, 10 Jun 2024 14:30:15 -0500	[thread overview]
Message-ID: <20240610193015.flfynlomz6gzwbx6@bryanbrattlof.com> (raw)
In-Reply-To: <e820d497-9327-8d8b-d1b2-7f6707e593aa@ti.com>

On June 10, 2024 thus sayeth Hari Nagalla:
> On 6/6/24 12:16, Bryan Brattlof wrote:
> > > +
> > > +		c7x_0_memory_region: c7x-memory@99900000 {
> > > +			compatible = "shared-dma-pool";
> > > +			reg = <0x00 0x99900000 0x00 0x01efffff>;
> > > +			no-map;
> > > +		};
> > >   	};
> > This seems highly specific to the demos we're currently running for our
> > reference boards. If someone wants to develop their own app say with
> > Zypher they would instantly need to change this.
> > 
> > If these absolutely need to be in here could they go in a TI-demo overly?
> > 
> > ~Bryan
> Hey Bryan,
> You are correct, these carveouts match the TI provided firmware binaries.
> Ideally, these could go into an overlay. Just following the carveout model
> used with the rest of the TI SoCs (AM6x/J72x), to avoid confusion to the
> users.

Ah yeah, I was planning to rip those out too ;) 

My idea was to throw them into our SDK layers so that other distros 
don't have to work around them anymore. This also gives the maintainers 
of those meta- layers the control of the reserved-memory{} node so they 
can carve it up or move it around as they need along with the firmware 
they build.

~Bryan

  reply	other threads:[~2024-06-10 19:30 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-05 12:48 [PATCH v3 0/4] Add R5F and C7x DSP nodes for AM62a SoC Hari Nagalla
2024-06-05 12:48 ` [PATCH v3 1/4] arm64: dts: k3-am62a-main: Add C7xv device node Hari Nagalla
2024-06-05 12:48 ` [PATCH v3 2/4] arm64: dts: k3-am62a-mcu: Add R5F remote proc node Hari Nagalla
2024-06-05 12:48 ` [PATCH v3 3/4] arm64: dts: k3-am62a-wakeup: Add R5F device node Hari Nagalla
2024-06-05 12:48 ` [PATCH v3 4/4] arm64: dts: ti: k3-am62a7-sk: Enable ipc with remote proc nodes Hari Nagalla
2024-06-06 17:16   ` Bryan Brattlof
2024-06-10 15:52     ` Hari Nagalla
2024-06-10 19:30       ` Bryan Brattlof [this message]
2024-06-10  7:02   ` Vignesh Raghavendra
2024-06-10 15:56     ` Hari Nagalla
2024-06-06 15:56 ` [PATCH v3 0/4] Add R5F and C7x DSP nodes for AM62a SoC Rob Herring (Arm)

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