From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: Andy Gross <andy.gross@linaro.org>,
David Brown <david.brown@linaro.org>,
Sibi Sankar <sibis@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 01/10] arm64: dts: qcom: sdm845: Update PIL region memory map
Date: Tue, 22 Jan 2019 11:24:05 -0800 [thread overview]
Message-ID: <20190122192404.GB31919@minitux> (raw)
In-Reply-To: <154818353130.20280.17905705223316470797@swboyd.mtv.corp.google.com>
On Tue 22 Jan 10:58 PST 2019, Stephen Boyd wrote:
> Quoting Bjorn Andersson (2019-01-21 21:51:03)
> > @@ -103,10 +138,30 @@
> > no-map;
> > };
> >
> > + venus_mem: memory@95800000 {
> > + reg = <0 0x95800000 0 0x500000>;
> > + no-map;
> > + };
> > +
> > + cdsp_mem: memory@95d00000 {
> > + reg = <0 0x95d00000 0 0x800000>;
> > + no-map;
> > + };
> > +
> > mba_region: memory@96500000 {
> > reg = <0 0x96500000 0 0x200000>;
> > no-map;
> > };
> > +
> > + slpi_mem: memory@96700000 {
> > + reg = <0 0x96700000 0 0x1400000>;
> > + no-map;
> > + };
> > +
> > + spss_mem: memory@97b00000 {
> > + reg = <0 0x97b00000 0 0x100000>;
> > + no-map;
> > + };
> > };
> >
>
> What's the plan if certain configurations don't use all these carveouts?
> Can we mark the reservation nodes as status = "disabled", or the reverse
> and mark them as status = "ok" in all boards, and then reclaim the
> memory for peripherals we don't care to use?
>
The code path that picks these up does look for "status", so I suggest
that we leave them all enabled in the platform dtsi and then let the
device's reclaim them as needed.
Regards,
Bjorn
next prev parent reply other threads:[~2019-01-22 19:24 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-22 5:51 [PATCH v3 00/10] Qualcomm AOSS QMP driver and modem dts Bjorn Andersson
2019-01-22 5:51 ` [PATCH v3 01/10] arm64: dts: qcom: sdm845: Update PIL region memory map Bjorn Andersson
2019-01-22 18:58 ` Stephen Boyd
2019-01-22 19:24 ` Bjorn Andersson [this message]
2019-01-22 23:10 ` Doug Anderson
2019-01-23 0:30 ` Bjorn Andersson
2019-01-22 23:16 ` Doug Anderson
2019-01-23 0:39 ` Bjorn Andersson
2019-01-25 17:40 ` Sibi Sankar
2019-01-22 5:51 ` [PATCH v3 02/10] arm64: dts: qcom: sdm845: Define rmtfs memory Bjorn Andersson
2019-01-22 23:26 ` Doug Anderson
2019-01-22 23:34 ` Brian Norris
2019-01-23 0:47 ` Bjorn Andersson
2019-01-22 5:51 ` [PATCH v3 03/10] arm64: dts: sdm845: Introduce ADSP and CDSP PAS nodes Bjorn Andersson
2019-01-22 23:46 ` Doug Anderson
2019-01-23 0:26 ` Bjorn Andersson
2019-01-23 0:40 ` Doug Anderson
2019-01-23 1:09 ` Bjorn Andersson
2019-01-23 23:24 ` Doug Anderson
2019-01-24 6:22 ` Stephen Boyd
2019-01-22 5:51 ` [PATCH v3 04/10] dt-bindings: soc: qcom: Add AOSS QMP binding Bjorn Andersson
2019-01-22 19:04 ` Stephen Boyd
2019-01-22 19:25 ` Bjorn Andersson
2019-01-22 19:28 ` Stephen Boyd
2019-01-22 5:51 ` [PATCH v3 05/10] soc: qcom: Add AOSS QMP communication driver Bjorn Andersson
2019-01-22 5:51 ` [PATCH v3 06/10] soc: qcom: Add AOSS QMP genpd provider Bjorn Andersson
2019-01-22 5:51 ` [PATCH v3 07/10] remoteproc: q6v5-mss: Vote for rpmh power domains Bjorn Andersson
2019-01-23 0:01 ` Doug Anderson
2019-01-22 5:51 ` [PATCH v3 08/10] remoteproc: q6v5-mss: Active powerdomain for SDM845 Bjorn Andersson
2019-01-22 5:51 ` [PATCH v3 09/10] arm64: dts: qcom: Add AOSS QMP node Bjorn Andersson
2019-01-22 5:51 ` [PATCH v3 10/10] arm64: dts: qcom: sdm845: Add Q6V5 MSS node Bjorn Andersson
2019-01-23 0:28 ` Doug Anderson
2019-01-23 1:10 ` Bjorn Andersson
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