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Groups > linux.kernel > #1364879 > unrolled thread
| Started by | Bjorn Andersson <bjorn@kryo.se> |
|---|---|
| First post | 2016-03-26 00:20 +0100 |
| Last post | 2016-03-28 15:00 +0200 |
| Articles | 3 — 3 participants |
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Re: [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node Bjorn Andersson <bjorn@kryo.se> - 2016-03-26 00:20 +0100
Re: [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node Andy Gross <andy.gross@linaro.org> - 2016-03-26 03:30 +0100
RE: [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node "Sricharan" <sricharan@codeaurora.org> - 2016-03-28 15:00 +0200
| From | Bjorn Andersson <bjorn@kryo.se> |
|---|---|
| Date | 2016-03-26 00:20 +0100 |
| Subject | Re: [PATCH V7 5/6] dts: msm8974: Add blsp2_bam dma node |
| Message-ID | <rgJbj-x1-5@gated-at.bofh.it> |
On Tue, Jan 19, 2016 at 2:02 AM, Sricharan R <sricharan@codeaurora.org> wrote:
> Signed-off-by: Sricharan R <sricharan@codeaurora.org>
> Reviewed-by: Andy Gross <andy.gross@linaro.org>
> ---
> arch/arm/boot/dts/qcom-msm8974.dtsi | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/qcom-msm8974.dtsi b/arch/arm/boot/dts/qcom-msm8974.dtsi
> index 753bdfd..7786408 100644
> --- a/arch/arm/boot/dts/qcom-msm8974.dtsi
> +++ b/arch/arm/boot/dts/qcom-msm8974.dtsi
> @@ -1,6 +1,6 @@
> /dts-v1/;
>
> -#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/clock/qcom,gcc-msm8974.h>
> #include "skeleton.dtsi"
>
> @@ -345,6 +345,16 @@
> interrupt-controller;
> #interrupt-cells = <4>;
> };
> +
> + blsp2_dma: dma-controller@f9944000 {
> + compatible = "qcom,bam-v1.4.0";
> + reg = <0xf9944000 0x19000>;
> + interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&gcc GCC_BLSP2_AHB_CLK>;
> + clock-names = "bam_clk";
> + #dma-cells = <1>;
> + qcom,ee = <0>;
Without "qcom,bam_ctrl_remote;" and
https://patchwork.kernel.org/patch/8639181/ the Xperia Honami board
fails to boot with this patch included.
> + };
> };
>
Regards,
Bjorn
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| From | Andy Gross <andy.gross@linaro.org> |
|---|---|
| Date | 2016-03-26 03:30 +0100 |
| Message-ID | <rgM9b-2uM-3@gated-at.bofh.it> |
| In reply to | #1364879 |
On Fri, Mar 25, 2016 at 04:17:30PM -0700, Bjorn Andersson wrote:
> On Tue, Jan 19, 2016 at 2:02 AM, Sricharan R <sricharan@codeaurora.org> wrote:
> > Signed-off-by: Sricharan R <sricharan@codeaurora.org>
> > Reviewed-by: Andy Gross <andy.gross@linaro.org>
<snip>
> > + blsp2_dma: dma-controller@f9944000 {
> > + compatible = "qcom,bam-v1.4.0";
> > + reg = <0xf9944000 0x19000>;
> > + interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&gcc GCC_BLSP2_AHB_CLK>;
> > + clock-names = "bam_clk";
> > + #dma-cells = <1>;
> > + qcom,ee = <0>;
>
> Without "qcom,bam_ctrl_remote;" and
> https://patchwork.kernel.org/patch/8639181/ the Xperia Honami board
> fails to boot with this patch included.
Ouch. At least one set of pipes must be used by some other processor and TZ has
locked down that BLSP.
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| From | "Sricharan" <sricharan@codeaurora.org> |
|---|---|
| Date | 2016-03-28 15:00 +0200 |
| Message-ID | <rhEVZ-7c7-25@gated-at.bofh.it> |
| In reply to | #1364899 |
> On Fri, Mar 25, 2016 at 04:17:30PM -0700, Bjorn Andersson wrote:
> > On Tue, Jan 19, 2016 at 2:02 AM, Sricharan R <sricharan@codeaurora.org>
> wrote:
> > > Signed-off-by: Sricharan R <sricharan@codeaurora.org>
> > > Reviewed-by: Andy Gross <andy.gross@linaro.org>
>
> <snip>
>
> > > + blsp2_dma: dma-controller@f9944000 {
> > > + compatible = "qcom,bam-v1.4.0";
> > > + reg = <0xf9944000 0x19000>;
> > > + interrupts = <GIC_SPI 239
IRQ_TYPE_LEVEL_HIGH>;
> > > + clocks = <&gcc GCC_BLSP2_AHB_CLK>;
> > > + clock-names = "bam_clk";
> > > + #dma-cells = <1>;
> > > + qcom,ee = <0>;
> >
> > Without "qcom,bam_ctrl_remote;" and
> > https://patchwork.kernel.org/patch/8639181/ the Xperia Honami board
> > fails to boot with this patch included.
>
> Ouch. At least one set of pipes must be used by some other processor and
> TZ has locked down that BLSP.
Hmm, this was not the case atleast on the apq8074DB board that I tested
this on.
Regards,
Sricharan
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