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Message-ID: <56C521C9.4050906@rock-chips.com>
Date: Thu, 18 Feb 2016 09:43:37 +0800
From: Jianqun Xu <jay.xu@...k-chips.com>
To: Heiko Stuebner <heiko@...ech.de>
Cc: robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
jwerner@...omium.org, broonie@...nel.org, catalin.marinas@....com,
will.deacon@....com, sboyd@...eaurora.org,
linus.walleij@...aro.org, sjoerd.simons@...labora.co.uk,
huangtao@...k-chips.com, linux-rockchip@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH 6/6] ARM64: dts: rockchip: add core dtsi file for rk3399
在 17/02/2016 15:00, Heiko Stuebner 写道:
> Hi Jianqun,
>
> Am Mittwoch, 17. Februar 2016, 10:01:16 schrieb jianqun.xu:
>> From: Xu Jianqun <jay.xu@...k-chips.com>
>>
>> Add dtsi file for Rockchip rk3399 SoCs, which includes some
>> general nodes such as cpu, pmu, cru, gic, amba and so on.
>>
>> Change-Id: Ie3b824e8ead967d4cb119d73222b7a198478c29c
>
> please remove any review-cruft like Change-Ids from mainline patches :-)
ok, will fix it in next version patch
>
>> Signed-off-by: Xu Jianqun <jay.xu@...k-chips.com>
>> ---
>> arch/arm64/boot/dts/rockchip/rk3399.dtsi | 989
>> +++++++++++++++++++++++++++++++ 1 file changed, 989 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/rockchip/rk3399.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
>> b/arch/arm64/boot/dts/rockchip/rk3399.dtsi new file mode 100644
>> index 0000000..eb671f6
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
>> @@ -0,0 +1,989 @@
>> +/*
>> + * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
>> + *
>> + * This file is dual-licensed: you can use it either under the terms
>> + * of the GPL or the X11 license, at your option. Note that this dual
>> + * licensing only applies to this file, and not this project as a
>> + * whole.
>> + *
>> + * a) This library is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License as
>> + * published by the Free Software Foundation; either version 2 of the
>> + * License, or (at your option) any later version.
>> + *
>> + * This library is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * Or, alternatively,
>> + *
>> + * b) Permission is hereby granted, free of charge, to any person
>> + * obtaining a copy of this software and associated documentation
>> + * files (the "Software"), to deal in the Software without
>> + * restriction, including without limitation the rights to use,
>> + * copy, modify, merge, publish, distribute, sublicense, and/or
>> + * sell copies of the Software, and to permit persons to whom the
>> + * Software is furnished to do so, subject to the following
>> + * conditions:
>> + *
>> + * The above copyright notice and this permission notice shall be
>> + * included in all copies or substantial portions of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
>> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
>> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
>> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
>> + * OTHER DEALINGS IN THE SOFTWARE.
>> + */
>> +#include <dt-bindings/clock/rk3399-cru.h>
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/interrupt-controller/irq.h>
>> +#include <dt-bindings/pinctrl/rockchip.h>
>> +
>> +/ {
>> + compatible = "rockchip,rk3399";
>> + interrupt-parent = <&gic>;
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + serial1 = &uart1;
>> + serial2 = &uart2;
>> + serial3 = &uart3;
>> + };
>> +
>> + psci {
>> + compatible = "arm,psci";
>> + method = "smc";
>> + };
>> +
>> + cpus {
>> + #address-cells = <2>;
>> + #size-cells = <0>;
>> +
>> + cpu-map {
>> + cluster0 {
>> + core0 {
>> + cpu = <&cpu_l0>;
>> + };
>> + core1 {
>> + cpu = <&cpu_l1>;
>> + };
>> + core2 {
>> + cpu = <&cpu_l2>;
>> + };
>> + core3 {
>> + cpu = <&cpu_l3>;
>> + };
>> + };
>> +
>> + cluster1 {
>> + core0 {
>> + cpu = <&cpu_b0>;
>> + };
>> + core1 {
>> + cpu = <&cpu_b1>;
>> + };
>> + };
>> + };
>> +
>> + idle-states {
>> + entry-method = "psci";
>> +
>> + cpu_sleep: cpu-sleep-0 {
>> + compatible = "arm,idle-state";
>> + };
>> + };
>
> why the essentially empty idle-states, which is probably missing properties?
> In the absence of a real idle driver the kernel will fall back to
> arch_cpu_idle(), which already does WFI handling even on arm64.
>
the idle node will be added by my colleague with new patch later,
so I will remove it first in next version patch.
>
>> +
>> + cpu_l0: cpu@0 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a53", "arm,armv8";
>> + reg = <0x0 0x0>;
>> + cpu-idle-states = <&cpu_sleep>;
>
> that won't compile, as the referenced node is not present
>
>
>> + enable-method = "psci";
>> + };
>> +
>> + cpu_l1: cpu@1 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a53", "arm,armv8";
>> + reg = <0x0 0x1>;
>> + cpu-idle-states = <&cpu_sleep>;
>> + enable-method = "psci";
>> + };
>> +
>> + cpu_l2: cpu@2 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a53", "arm,armv8";
>> + reg = <0x0 0x2>;
>> + cpu-idle-states = <&cpu_sleep>;
>> + enable-method = "psci";
>> + };
>> +
>> + cpu_l3: cpu@3 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a53", "arm,armv8";
>> + reg = <0x0 0x3>;
>> + cpu-idle-states = <&cpu_sleep>;
>> + enable-method = "psci";
>> + };
>> +
>> + cpu_b0: cpu@100 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a72", "arm,armv8";
>> + reg = <0x0 0x100>;
>> + cpu-idle-states = <&cpu_sleep>;
>> + enable-method = "psci";
>> + };
>> +
>> + cpu_b1: cpu@101 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a72", "arm,armv8";
>> + reg = <0x0 0x101>;
>> + cpu-idle-states = <&cpu_sleep>;
>> + enable-method = "psci";
>> + };
>> + };
>> +
>> + pmu {
>> + compatible = "arm,armv8-pmuv3";
>> + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
>> + interrupt-affinity = <&cpu_l0>, <&cpu_l1>, <&cpu_l2>,
>> + <&cpu_l3>, <&cpu_b0>, <&cpu_b1>;
>> + };
>> +
>> + timer {
>> + compatible = "arm,armv8-timer";
>> + interrupts =
>> + <GIC_PPI 13
>> + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
>
> shouldn't that be GIC_CPU_MASK_SIMPLE(6) instead of 4?
>
ok, will fix it in next version patch
>
>> + <GIC_PPI 14
>> + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
>> + <GIC_PPI 11
>> + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
>> + <GIC_PPI 10
>> + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>> + clock-frequency = <24000000>;
>> + };
>> +
>> + xin24m: xin24m {
>> + compatible = "fixed-clock";
>> + #clock-cells = <0>;
>> + clock-frequency = <24000000>;
>> + clock-output-names = "xin24m";
>> + };
>> +
>> + gic: interrupt-controller@...00000 {
>> + compatible = "arm,gic-v3";
>> + #interrupt-cells = <3>;
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + ranges;
>> + interrupt-controller;
>> +
>> + reg = <0x0 0xfee00000 0 0x10000>, /* GICD */
>> + <0x0 0xfef00000 0 0xc0000>, /* GICR */
>> + <0x0 0xfff00000 0 0x10000>, /* GICC */
>> + <0x0 0xfff10000 0 0x10000>, /* GICH */
>> + <0x0 0xfff20000 0 0x10000>; /* GICV */
>> + interrupts =
>> + <GIC_PPI 9
>> + (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>
> again GIC_CPU_MASK_SIMPLE(6)?
ok.
>
>> + its: interrupt-controller@...20000 {
>> + compatible = "arm,gic-v3-its";
>> + msi-controller;
>> + reg = <0x0 0xfee20000 0x0 0x20000>;
>> + };
>> + };
>> +
>> + amba {
>> + compatible = "arm,amba-bus";
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + ranges;
>> +
>> + dmac_bus: dma-controller@...d0000 {
>> + compatible = "arm,pl330", "arm,primecell";
>> + reg = <0x0 0xff6d0000 0x0 0x4000>;
>> + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
>> + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
>> + #dma-cells = <1>;
>> + clocks = <&cru ACLK_DMAC_BUS>;
>> + clock-names = "apb_pclk";
>
> has the FLUSHP bug gotten fixed? That would be cool.
>
Since amba node is added by my colleague, I will double check it, thanks
>
>> + };
>
> rest looks nice on first glance :-)
>
>
> Heiko
>
>
>
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