On Mon 07 May 15:59 PDT 2018, Stephen Boyd wrote:
> Quoting Bjorn Andersson (2018-04-27 22:42:47)
> > diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
> > new file mode 100644
> > index 000000000000..d6665e4f801f
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
> > @@ -0,0 +1,340 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/* Copyright (c) 2016, The Linux Foundation. All rights reserved. */
> > +
> > +#include <dt-bindings/interrupt-controller/arm-gic.h>
> > +#include <dt-bindings/clock/qcom,gcc-msm8998.h>
> > +
> > +/ {
> > + model = "Qualcomm Technologies, Inc. MSM 8998";
> > +
> > + interrupt-parent = <&intc>;
> > +
> > + qcom,msm-id = <292 0x0>;
>
> No update to dtbtool?
>
This allows me to concatenate the dtb to the Image.gz and boot the
device. From my scripts I see that I tried to use dtbTool before
reverting to this...
[..]
> > + cpu-map {
> > + cluster0 {
> > + core0 {
> > + cpu = <&CPU0>;
> > + };
> > +
> > + core1 {
> > + cpu = <&CPU1>;
> > + };
> > +
> > + core2 {
> > + cpu = <&CPU2>;
> > + };
> > +
> > + core3 {
> > + cpu = <&CPU3>;
> > + };
> > + };
> > +
> > + cluster1 {
> > + core0 {
> > + cpu = <&CPU4>;
> > + };
> > +
> > + core1 {
> > + cpu = <&CPU5>;
> > + };
> > +
> > + core2 {
> > + cpu = <&CPU6>;
> > + };
> > +
> > + core3 {
> > + cpu = <&CPU7>;
> > + };
> > + };
> > + };
>
> I still wonder if this is accurate, but OK.
>
Afaict it matches downstream, not sure if I'm missing something?
[..]
> > + intc: interrupt-controller@17a00000 {
> > + compatible = "arm,gic-v3";
> > + reg = <0x17a00000 0x10000>, /* GICD */
> > + <0x17b00000 0x100000>; /* GICR * 8 */
> > + #interrupt-cells = <3>;
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + ranges;
> > + interrupt-controller;
> > + #redistributor-regions = <1>;
> > + redistributor-stride = <0x0 0x20000>;
>
> Is this needed? The redistributor stuff can be left out if there's only
> one right?
>
#redistributor-regions is listed as optional if there's more than 1, the
stride is still needed.
Afaict the stride still needs to be specified, as it's different from
the default 64kb.
> > + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> > + };
> > +
> > + blsp2_uart1: serial@c1b0000 {
>
> Clk name says uart2 though?
>
That's because it's the wrong clock. Thanks!
> > + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
> > + reg = <0xc1b0000 0x1000>;
> > + interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&gcc GCC_BLSP2_UART2_APPS_CLK>,
> > + <&gcc GCC_BLSP2_AHB_CLK>;
> > + clock-names = "core", "iface";
> > + status = "disabled";
> > + };
Regards,
Bjorn
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