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https://github.com/AsahiLinux/u-boot
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arm: bcmbca: add bcm6813 SoC support
BCM6813 is a Broadcom B53 based PON and WLAN AP router SoC. It is part of the BCA (Broadband Carrier Access origin) chipset family so it's added under ARCH_BCMBCA platform. This initial support includes a bare-bone implementation and dts with CPU subsystem, memory and ARM PL011 uart. This SoC is supported in the linux-next git repository so the dts and dtsi files are copied from linux. The u-boot image can be loaded from flash or network to the entry point address in the memory and boot from there to the console. Signed-off-by: William Zhang <william.zhang@broadcom.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
William Zhang
Tom Rini
parent
dc6117dcb3
commit
1b81843bac
12 changed files with 265 additions and 0 deletions
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@ -224,6 +224,7 @@ N: bcm[9]?63146
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N: bcm[9]?63148
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N: bcm[9]?63178
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N: bcm[9]?6756
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N: bcm[9]?6813
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N: bcm[9]?6846
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N: bcm[9]?6878
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@ -1194,6 +1194,8 @@ dtb-$(CONFIG_BCM63178) += \
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bcm963178.dtb
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dtb-$(CONFIG_BCM6756) += \
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bcm96756.dtb
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dtb-$(CONFIG_BCM6813) += \
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bcm96813.dtb
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dtb-$(CONFIG_BCM6846) += \
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bcm96846.dtb
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dtb-$(CONFIG_BCM6878) += \
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128
arch/arm/dts/bcm6813.dtsi
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128
arch/arm/dts/bcm6813.dtsi
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@ -0,0 +1,128 @@
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright 2022 Broadcom Ltd.
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*/
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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/ {
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compatible = "brcm,bcm6813", "brcm,bcmbca";
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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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cpus {
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#address-cells = <2>;
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#size-cells = <0>;
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B53_0: cpu@0 {
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compatible = "brcm,brahma-b53";
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device_type = "cpu";
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reg = <0x0 0x0>;
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next-level-cache = <&L2_0>;
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enable-method = "psci";
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};
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B53_1: cpu@1 {
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compatible = "brcm,brahma-b53";
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device_type = "cpu";
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reg = <0x0 0x1>;
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next-level-cache = <&L2_0>;
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enable-method = "psci";
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};
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B53_2: cpu@2 {
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compatible = "brcm,brahma-b53";
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device_type = "cpu";
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reg = <0x0 0x2>;
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next-level-cache = <&L2_0>;
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enable-method = "psci";
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};
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B53_3: cpu@3 {
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compatible = "brcm,brahma-b53";
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device_type = "cpu";
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reg = <0x0 0x3>;
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next-level-cache = <&L2_0>;
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enable-method = "psci";
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};
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L2_0: l2-cache0 {
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compatible = "cache";
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};
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};
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timer {
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compatible = "arm,armv8-timer";
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interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
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<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
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};
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pmu: pmu {
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compatible = "arm,cortex-a53-pmu";
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interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-affinity = <&B53_0>, <&B53_1>,
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<&B53_2>, <&B53_3>;
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};
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clocks: clocks {
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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 = <200000000>;
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};
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uart_clk: uart-clk {
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compatible = "fixed-factor-clock";
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#clock-cells = <0>;
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clocks = <&periph_clk>;
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clock-div = <4>;
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clock-mult = <1>;
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};
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};
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psci {
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compatible = "arm,psci-0.2";
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method = "smc";
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};
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axi@81000000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x0 0x81000000 0x8000>;
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gic: interrupt-controller@1000 {
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compatible = "arm,gic-400";
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#interrupt-cells = <3>;
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interrupt-controller;
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interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
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reg = <0x1000 0x1000>,
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<0x2000 0x2000>,
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<0x4000 0x2000>,
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<0x6000 0x2000>;
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};
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};
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bus@ff800000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0x0 0xff800000 0x800000>;
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uart0: serial@12000 {
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compatible = "arm,pl011", "arm,primecell";
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reg = <0x12000 0x1000>;
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interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&uart_clk>, <&uart_clk>;
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clock-names = "uartclk", "apb_pclk";
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status = "disabled";
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};
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};
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};
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30
arch/arm/dts/bcm96813.dts
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30
arch/arm/dts/bcm96813.dts
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@ -0,0 +1,30 @@
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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright 2022 Broadcom Ltd.
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*/
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/dts-v1/;
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#include "bcm6813.dtsi"
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/ {
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model = "Broadcom BCM96813 Reference Board";
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compatible = "brcm,bcm96813", "brcm,bcm6813", "brcm,bcmbca";
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aliases {
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serial0 = &uart0;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x0 0x0 0x08000000>;
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};
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};
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&uart0 {
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status = "okay";
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};
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@ -55,6 +55,13 @@ config BCM6756
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select DM_SERIAL
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select PL01X_SERIAL
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config BCM6813
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bool "Support for Broadcom 6813 Family"
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select ARM64
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select SYS_ARCH_TIMER
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select DM_SERIAL
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select PL01X_SERIAL
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config BCM6846
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bool "Support for Broadcom 6846 Family"
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select SYS_ARCH_TIMER
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@ -76,6 +83,7 @@ source "arch/arm/mach-bcmbca/bcm63146/Kconfig"
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source "arch/arm/mach-bcmbca/bcm63148/Kconfig"
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source "arch/arm/mach-bcmbca/bcm63178/Kconfig"
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source "arch/arm/mach-bcmbca/bcm6756/Kconfig"
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source "arch/arm/mach-bcmbca/bcm6813/Kconfig"
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source "arch/arm/mach-bcmbca/bcm6846/Kconfig"
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source "arch/arm/mach-bcmbca/bcm6878/Kconfig"
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@ -10,5 +10,6 @@ obj-$(CONFIG_BCM63146) += bcm63146/
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obj-$(CONFIG_BCM63148) += bcm63148/
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obj-$(CONFIG_BCM63178) += bcm63178/
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obj-$(CONFIG_BCM6756) += bcm6756/
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obj-$(CONFIG_BCM6813) += bcm6813/
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obj-$(CONFIG_BCM6846) += bcm6846/
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obj-$(CONFIG_BCM6878) += bcm6878/
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17
arch/arm/mach-bcmbca/bcm6813/Kconfig
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17
arch/arm/mach-bcmbca/bcm6813/Kconfig
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@ -0,0 +1,17 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2022 Broadcom Ltd
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#
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if BCM6813
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config TARGET_BCM96813
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bool "Broadcom 6813 Reference Board"
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depends on ARCH_BCMBCA
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config SYS_SOC
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default "bcm6813"
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source "board/broadcom/bcmbca/Kconfig"
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endif
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5
arch/arm/mach-bcmbca/bcm6813/Makefile
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5
arch/arm/mach-bcmbca/bcm6813/Makefile
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@ -0,0 +1,5 @@
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# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2022 Broadcom Ltd
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#
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obj-y += mmu_table.o
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32
arch/arm/mach-bcmbca/bcm6813/mmu_table.c
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32
arch/arm/mach-bcmbca/bcm6813/mmu_table.c
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@ -0,0 +1,32 @@
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2022 Broadcom Ltd.
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*/
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#include <common.h>
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#include <asm/armv8/mmu.h>
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#include <linux/sizes.h>
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static struct mm_region bcm96813_mem_map[] = {
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{
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.virt = 0x00000000UL,
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.phys = 0x00000000UL,
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.size = 1UL * SZ_1G,
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.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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PTE_BLOCK_INNER_SHARE
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},
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{
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/* SoC peripheral */
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.virt = 0xff800000UL,
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.phys = 0xff800000UL,
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.size = 0x100000,
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.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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PTE_BLOCK_NON_SHARE |
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PTE_BLOCK_PXN | PTE_BLOCK_UXN
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},
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{
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/* List terminator */
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0,
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}
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};
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struct mm_region *mem_map = bcm96813_mem_map;
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@ -58,6 +58,13 @@ config SYS_CONFIG_NAME
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endif
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if TARGET_BCM96813
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config SYS_CONFIG_NAME
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default "bcm96813"
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endif
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if TARGET_BCM96846
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config SYS_CONFIG_NAME
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23
configs/bcm96813_defconfig
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23
configs/bcm96813_defconfig
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@ -0,0 +1,23 @@
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CONFIG_ARM=y
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CONFIG_COUNTER_FREQUENCY=50000000
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CONFIG_ARCH_BCMBCA=y
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CONFIG_SYS_TEXT_BASE=0x01000000
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CONFIG_SYS_MALLOC_LEN=0x2000000
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CONFIG_SYS_MALLOC_F_LEN=0x8000
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CONFIG_BCM6813=y
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CONFIG_TARGET_BCM96813=y
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CONFIG_NR_DRAM_BANKS=2
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CONFIG_DEFAULT_DEVICE_TREE="bcm96813"
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CONFIG_IDENT_STRING=" Broadcom BCM6813"
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CONFIG_SYS_LOAD_ADDR=0x01000000
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CONFIG_ENV_VARS_UBOOT_CONFIG=y
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CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
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CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x2000000
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CONFIG_OF_STDOUT_VIA_ALIAS=y
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CONFIG_DISPLAY_BOARDINFO_LATE=y
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CONFIG_HUSH_PARSER=y
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CONFIG_SYS_MAXARGS=64
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CONFIG_SYS_BOOTM_LEN=0x4000000
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CONFIG_CMD_CACHE=y
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CONFIG_OF_EMBED=y
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CONFIG_CLK=y
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11
include/configs/bcm96813.h
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11
include/configs/bcm96813.h
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@ -0,0 +1,11 @@
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2022 Broadcom Ltd.
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*/
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#ifndef __BCM96813_H
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#define __BCM96813_H
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#endif
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