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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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11b897a2f7
Introduce the message manager node for the A15 queues on which Linux runs. The Message Manager is primarily used for communication with Power Management controller on K2G. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
130 lines
3.3 KiB
Plaintext
130 lines
3.3 KiB
Plaintext
/*
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* Device Tree Source for K2G SOC
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*
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* Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/pinctrl/keystone.h>
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#include "skeleton.dtsi"
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/ {
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compatible = "ti,k2g","ti,keystone";
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model = "Texas Instruments K2G SoC";
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#address-cells = <2>;
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#size-cells = <2>;
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interrupt-parent = <&gic>;
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aliases {
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serial0 = &uart0;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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compatible = "arm,cortex-a15";
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device_type = "cpu";
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reg = <0>;
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};
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};
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gic: interrupt-controller@02561000 {
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compatible = "arm,cortex-a15-gic";
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#interrupt-cells = <3>;
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interrupt-controller;
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reg = <0x0 0x02561000 0x0 0x1000>,
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<0x0 0x02562000 0x0 0x2000>,
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<0x0 0x02564000 0x0 0x1000>,
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<0x0 0x02566000 0x0 0x2000>;
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interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
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IRQ_TYPE_LEVEL_HIGH)>;
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};
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timer {
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compatible = "arm,armv7-timer";
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interrupts =
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<GIC_PPI 13
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(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 14
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(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 11
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(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 10
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(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
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};
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pmu {
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compatible = "arm,cortex-a15-pmu";
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interrupts = <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>;
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};
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soc {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "ti,keystone","simple-bus";
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ranges = <0x0 0x0 0x0 0xc0000000>;
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dma-ranges = <0x80000000 0x8 0x00000000 0x80000000>;
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k2g_pinctrl: pinmux@02621000 {
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compatible = "pinctrl-single";
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reg = <0x02621000 0x410>;
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pinctrl-single,register-width = <32>;
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pinctrl-single,function-mask = <0x001b0007>;
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};
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devctrl: device-state-control@02620000 {
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compatible = "ti,keystone-devctrl", "syscon";
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reg = <0x02620000 0x1000>;
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};
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uart0: serial@02530c00 {
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compatible = "ns16550a";
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current-speed = <115200>;
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reg-shift = <2>;
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reg-io-width = <4>;
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reg = <0x02530c00 0x100>;
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interrupts = <GIC_SPI 164 IRQ_TYPE_EDGE_RISING>;
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clock-frequency = <200000000>;
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status = "disabled";
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};
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kirq0: keystone_irq@026202a0 {
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compatible = "ti,keystone-irq";
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interrupts = <GIC_SPI 1 IRQ_TYPE_EDGE_RISING>;
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interrupt-controller;
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#interrupt-cells = <1>;
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ti,syscon-dev = <&devctrl 0x2a0>;
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};
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dspgpio0: keystone_dsp_gpio@02620240 {
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compatible = "ti,keystone-dsp-gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio,syscon-dev = <&devctrl 0x240>;
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};
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msgmgr: msgmgr@02a00000 {
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compatible = "ti,k2g-message-manager";
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#mbox-cells = <2>;
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reg-names = "queue_proxy_region",
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"queue_state_debug_region";
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reg = <0x02a00000 0x400000>, <0x028c3400 0x400>;
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interrupt-names = "rx_005",
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"rx_057";
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interrupts = <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>;
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};
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};
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};
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