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Add a very minimalistic set of Northstar Plus Device Tree files which describes the SoC and the BCM958625 implementation. The perpherials described are: ARM Cortex A9 CPU 2 8250 UARTs ARM GIC PL310 L2 Cache ARM A9 Global timer Signed-off-by: Kapil Hali <kapilh@broadcom.com> Signed-off-by: Jon Mason <jonmason@broadcom.com> Reviewed-by: Ray Jui <rjui@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
120 lines
3.3 KiB
Plaintext
120 lines
3.3 KiB
Plaintext
/*
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* BSD LICENSE
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*
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* Copyright(c) 2015 Broadcom Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Broadcom Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include "skeleton.dtsi"
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/ {
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compatible = "brcm,nsp";
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model = "Broadcom Northstar Plus SoC";
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interrupt-parent = <&gic>;
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mpcore {
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compatible = "simple-bus";
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ranges = <0x00000000 0x19020000 0x00003000>;
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#address-cells = <1>;
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#size-cells = <1>;
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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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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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reg = <0x0>;
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};
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};
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L2: l2-cache {
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compatible = "arm,pl310-cache";
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reg = <0x2000 0x1000>;
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cache-unified;
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cache-level = <2>;
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};
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gic: interrupt-controller@19021000 {
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compatible = "arm,cortex-a9-gic";
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#interrupt-cells = <3>;
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#address-cells = <0>;
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interrupt-controller;
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reg = <0x1000 0x1000>,
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<0x0100 0x100>;
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};
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timer@19020200 {
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compatible = "arm,cortex-a9-global-timer";
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reg = <0x0200 0x100>;
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interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&periph_clk>;
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};
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};
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clocks {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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periph_clk: periph_clk {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <500000000>;
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};
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};
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axi {
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compatible = "simple-bus";
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ranges = <0x00000000 0x18000000 0x00001000>;
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#address-cells = <1>;
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#size-cells = <1>;
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uart0: serial@18000300 {
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compatible = "ns16550a";
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reg = <0x0300 0x100>;
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interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
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clock-frequency = <62499840>;
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status = "disabled";
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};
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uart1: serial@18000400 {
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compatible = "ns16550a";
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reg = <0x0400 0x100>;
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interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
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clock-frequency = <62499840>;
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status = "disabled";
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};
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};
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};
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