update bcm2837 with what's currently upstream for a64

1 files changed, 154 insertions, 0 deletions

diff --git a/bcm2837-initial-support.patch b/bcm2837-initial-support.patch
new file mode 100644
index 000000000..0521f05f5
--- /dev/null
+++ b/bcm2837-initial-support.patch
@@ -0,0 +1,154 @@
+From a2858804c7f5f4585b718543236b7ba3b3ec813a Mon Sep 17 00:00:00 2001
+From: Peter Robinson <pbrobinson@gmail.com>
+Date: Mon, 29 Aug 2016 09:14:15 +0100
+Subject: [PATCH] ARM: bcm283x: Add devicetree for the Raspberry Pi 3.
+
+For now this doesn't support the new hardware present on the Pi 3 (BT,
+wifi, GPIO expander).
+
+Rebased to the patch that went upstream for ARM64
+
+Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
+---
+ arch/arm/boot/dts/Makefile            |  3 +-
+ arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 30 ++++++++++++++
+ arch/arm/boot/dts/bcm2837.dtsi        | 76 +++++++++++++++++++++++++++++++++++
+ 3 files changed, 108 insertions(+), 1 deletion(-)
+ create mode 100644 arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+ create mode 100644 arch/arm/boot/dts/bcm2837.dtsi
+
+diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
+index faacd52..ec41888 100644
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -69,7 +69,8 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
+ 	bcm2835-rpi-b-rev2.dtb \
+ 	bcm2835-rpi-b-plus.dtb \
+ 	bcm2835-rpi-a-plus.dtb \
+-	bcm2836-rpi-2-b.dtb
++	bcm2836-rpi-2-b.dtb \
++	bcm2837-rpi-3-b.dtb
+ dtb-$(CONFIG_ARCH_BCM_5301X) += \
+ 	bcm4708-asus-rt-ac56u.dtb \
+ 	bcm4708-asus-rt-ac68u.dtb \
+diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+new file mode 100644
+index 0000000..7841b72
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+@@ -0,0 +1,30 @@
++/dts-v1/;
++#include "bcm2837.dtsi"
++#include "bcm2835-rpi.dtsi"
++#include "bcm283x-rpi-smsc9514.dtsi"
++
++/ {
++	compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
++	model = "Raspberry Pi 3 Model B";
++
++	memory {
++		reg = <0 0x40000000>;
++	};
++
++	leds {
++		act {
++			gpios = <&gpio 47 0>;
++		};
++
++		pwr {
++			label = "PWR";
++			gpios = <&gpio 35 0>;
++			default-state = "keep";
++			linux,default-trigger = "default-on";
++		};
++	};
++};
++
++&uart1 {
++	status = "okay";
++};
+diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
+new file mode 100644
+index 0000000..8216bbb
+--- /dev/null
++++ b/arch/arm/boot/dts/bcm2837.dtsi
+@@ -0,0 +1,76 @@
++#include "bcm283x.dtsi"
++
++/ {
++	compatible = "brcm,bcm2836";
++
++	soc {
++		ranges = <0x7e000000 0x3f000000 0x1000000>,
++			 <0x40000000 0x40000000 0x00001000>;
++		dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
++
++		local_intc: local_intc {
++			compatible = "brcm,bcm2836-l1-intc";
++			reg = <0x40000000 0x100>;
++			interrupt-controller;
++			#interrupt-cells = <1>;
++			interrupt-parent = <&local_intc>;
++		};
++	};
++
++	timer {
++		compatible = "arm,armv7-timer";
++		interrupt-parent = <&local_intc>;
++		interrupts = <0>, // PHYS_SECURE_PPI
++			     <1>, // PHYS_NONSECURE_PPI
++			     <3>, // VIRT_PPI
++			     <2>; // HYP_PPI
++		always-on;
++	};
++
++	cpus: cpus {
++		#address-cells = <1>;
++		#size-cells = <0>;
++
++		cpu0: cpu@0 {
++			device_type = "cpu";
++			compatible = "arm,cortex-a53";
++			reg = <0>;
++			enable-method = "spin-table";
++			cpu-release-addr = <0x0 0x000000d8>;
++		};
++
++		cpu1: cpu@1 {
++			device_type = "cpu";
++			compatible = "arm,cortex-a53";
++			reg = <1>;
++			enable-method = "spin-table";
++			cpu-release-addr = <0x0 0x000000e0>;
++		};
++
++		cpu2: cpu@2 {
++			device_type = "cpu";
++			compatible = "arm,cortex-a53";
++			reg = <2>;
++			enable-method = "spin-table";
++			cpu-release-addr = <0x0 0x000000e8>;
++		};
++
++		cpu3: cpu@3 {
++			device_type = "cpu";
++			compatible = "arm,cortex-a53";
++			reg = <3>;
++			enable-method = "spin-table";
++			cpu-release-addr = <0x0 0x000000f0>;
++		};
++	};
++};
++
++/* Make the BCM2835-style global interrupt controller be a child of the
++ * CPU-local interrupt controller.
++ */
++&intc {
++	compatible = "brcm,bcm2836-armctrl-ic";
++	reg = <0x7e00b200 0x200>;
++	interrupt-parent = <&local_intc>;
++	interrupts = <8>;
++};
+-- 
+2.9.3
+