bcm27xx: update to latest patches from RPi foundation

Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 229 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0625-Add-upstream-and-upstream-pi4-to-overlay_map.patch b/target/linux/bcm27xx/patches-5.4/950-0625-Add-upstream-and-upstream-pi4-to-overlay_map.patch
new file mode 100644
index 0000000000..e76367b9da
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0625-Add-upstream-and-upstream-pi4-to-overlay_map.patch
@@ -0,0 +1,229 @@
+From 0a65f76d99bce7685e57ae506eedc499c551ac83 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Mon, 6 Apr 2020 09:47:42 +0100
+Subject: [PATCH] Add upstream and upstream-pi4 to overlay_map
+
+Because the upstream overlay applies vc4-kms-v3d, of which Pi 4 has its
+own version, there also needs to be a Pi 4 version - vc4-kms-v3d-pi4.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ arch/arm/boot/dts/overlays/Makefile           |   1 +
+ arch/arm/boot/dts/overlays/README             |   7 +
+ arch/arm/boot/dts/overlays/overlay_map.dts    |   9 +
+ .../dts/overlays/upstream-pi4-overlay.dts     | 161 ++++++++++++++++++
+ 4 files changed, 178 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -183,6 +183,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	uart5.dtbo \
+ 	udrc.dtbo \
+ 	upstream.dtbo \
++	upstream-pi4.dtbo \
+ 	vc4-fkms-v3d.dtbo \
+ 	vc4-kms-kippah-7inch.dtbo \
+ 	vc4-kms-v3d.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -2653,6 +2653,13 @@ Info:   This overlay has been deprecated
+ Load:   <Deprecated>
+ 
+ 
++Name:   upstream-pi4
++Info:   Allow usage of downstream .dtb with upstream kernel on Pi 4. Comprises
++        the vc4-kms-v3d-pi4 and dwc2 overlays.
++Load:   dtoverlay=upstream-pi4
++Params: <None>
++
++
+ Name:   vc4-fkms-v3d
+ Info:   Enable Eric Anholt's DRM VC4 V3D driver on top of the dispmanx
+         display stack.
+--- a/arch/arm/boot/dts/overlays/overlay_map.dts
++++ b/arch/arm/boot/dts/overlays/overlay_map.dts
+@@ -105,10 +105,19 @@
+ 		bcm2711;
+ 	};
+ 
++	upstream {
++		bcm2835;
++		bcm2711 = "upstream-pi4";
++	};
++
+ 	upstream-aux-interrupt {
+ 		deprecated = "no longer necessary";
+ 	};
+ 
++	upstream-pi4 {
++		bcm2711;
++	};
++
+ 	vc4-kms-v3d {
+ 		bcm2835;
+ 		bcm2711 = "vc4-kms-v3d-pi4";
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/upstream-pi4-overlay.dts
+@@ -0,0 +1,161 @@
++// redo: ovmerge -c vc4-kms-v3d-pi4-overlay.dts,cma-96 dwc2-overlay.dts,dr_mode=otg
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/clock/bcm2835.h>
++
++/ {
++	compatible = "brcm,bcm2835";
++	fragment@0 {
++		target-path = "/chosen";
++		__dormant__ {
++			bootargs = "cma=256M";
++		};
++	};
++	fragment@1 {
++		target-path = "/chosen";
++		__dormant__ {
++			bootargs = "cma=192M";
++		};
++	};
++	fragment@2 {
++		target-path = "/chosen";
++		__dormant__ {
++			bootargs = "cma=128M";
++		};
++	};
++	fragment@3 {
++		target-path = "/chosen";
++		__overlay__ {
++			bootargs = "cma=96M";
++		};
++	};
++	fragment@4 {
++		target-path = "/chosen";
++		__dormant__ {
++			bootargs = "cma=64M";
++		};
++	};
++	fragment@5 {
++		target = <&ddc0>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@6 {
++		target = <&ddc1>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@7 {
++		target = <&hdmi0>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@8 {
++		target = <&hdmi1>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@9 {
++		target = <&hvs>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@10 {
++		target = <&pixelvalve0>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@11 {
++		target = <&pixelvalve1>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@12 {
++		target = <&pixelvalve2>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@13 {
++		target = <&pixelvalve3>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@14 {
++		target = <&pixelvalve4>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@15 {
++		target = <&v3d>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@16 {
++		target = <&vc4>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@17 {
++		target = <&txp>;
++		__overlay__ {
++			status = "okay";
++		};
++	};
++	fragment@18 {
++		target = <&fb>;
++		__overlay__ {
++			status = "disabled";
++		};
++	};
++	fragment@19 {
++		target = <&firmwarekms>;
++		__overlay__ {
++			status = "disabled";
++		};
++	};
++	fragment@20 {
++		target = <&vec>;
++		__overlay__ {
++			status = "disabled";
++		};
++	};
++	fragment@21 {
++		target = <&hdmi0>;
++		__dormant__ {
++			dmas;
++		};
++	};
++	fragment@22 {
++		target = <&hdmi1>;
++		__dormant__ {
++			dmas;
++		};
++	};
++	fragment@23 {
++		target = <&usb>;
++		#address-cells = <1>;
++		#size-cells = <1>;
++		__overlay__ {
++			compatible = "brcm,bcm2835-usb";
++			dr_mode = "otg";
++			g-np-tx-fifo-size = <32>;
++			g-rx-fifo-size = <558>;
++			g-tx-fifo-size = <512 512 512 512 512 256 256>;
++			status = "okay";
++		};
++	};
++};