brcm2708: add linux 4.19 support

Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

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

1 files changed, 97 insertions, 0 deletions

diff --git a/target/linux/brcm2708/patches-4.19/950-0507-overlays-Remove-upstream-aux-interrupt-overlay.patch b/target/linux/brcm2708/patches-4.19/950-0507-overlays-Remove-upstream-aux-interrupt-overlay.patch
new file mode 100644
index 0000000000..d1f2bb8fb2
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0507-overlays-Remove-upstream-aux-interrupt-overlay.patch
@@ -0,0 +1,97 @@
+From 1bb35a0debe9afff8113fe7727020e22a6160fd2 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Tue, 7 May 2019 10:06:04 +0100
+Subject: [PATCH 507/703] overlays: Remove upstream-aux-interrupt overlay
+
+We no longer have a downstream-specific auxilliary interrupt
+driver, so the overlay to disable it is no longer needed.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 -
+ arch/arm/boot/dts/overlays/README             | 12 +++----
+ .../upstream-aux-interrupt-overlay.dts        | 33 -------------------
+ .../boot/dts/overlays/upstream-overlay.dts    |  2 +-
+ 4 files changed, 6 insertions(+), 42 deletions(-)
+ delete mode 100644 arch/arm/boot/dts/overlays/upstream-aux-interrupt-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -151,7 +151,6 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+ 	uart1.dtbo \
+ 	udrc.dtbo \
+ 	upstream.dtbo \
+-	upstream-aux-interrupt.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
+@@ -2206,18 +2206,16 @@ Params: alsaname                Name of
+ 
+ 
+ Name:   upstream
+-Info:   Allow usage of downstream .dtb with upstream kernel. Comprises
+-        vc4-kms-v3d, dwc2 and upstream-aux-interrupt overlays.
++Info:   Allow usage of downstream .dtb with upstream kernel. Comprises the
++        vc4-kms-v3d and dwc2 overlays.
+ Load:   dtoverlay=upstream
+ Params: <None>
+ 
+ 
+ Name:   upstream-aux-interrupt
+-Info:   Allow usage of downstream .dtb with upstream kernel by binding AUX
+-        devices directly to the shared AUX interrupt line. One of the parts
+-        of the 'upstream' overlay
+-Load:   dtoverlay=upstream-aux-interrupt
+-Params: <None>
++Info:   This overlay has been deprecated and removed because it is no longer
++        necessary.
++Load:   <Deprecated>
+ 
+ 
+ Name:   vc4-fkms-v3d
+--- a/arch/arm/boot/dts/overlays/upstream-aux-interrupt-overlay.dts
++++ /dev/null
+@@ -1,33 +0,0 @@
+-// Overlay for missing AUX interrupt controller
+-// Instead we bind all AUX devices to the generic AUX interrupt line
+-/dts-v1/;
+-/plugin/;
+-
+-/ {
+-    compatible = "brcm,bcm2708";
+-
+-    fragment@0 {
+-        target = <&uart1>;
+-        __overlay__ {
+-            interrupt-parent = <&intc>;
+-            interrupts = <0x1 0x1d>;
+-        };
+-    };
+-
+-    fragment@1 {
+-        target = <&spi1>;
+-        __overlay__ {
+-            interrupt-parent = <&intc>;
+-            interrupts = <0x1 0x1d>;
+-        };
+-    };
+-
+-    fragment@2 {
+-        target = <&spi2>;
+-        __overlay__ {
+-            interrupt-parent = <&intc>;
+-            interrupts = <0x1 0x1d>;
+-        };
+-    };
+-};
+-
+--- a/arch/arm/boot/dts/overlays/upstream-overlay.dts
++++ b/arch/arm/boot/dts/overlays/upstream-overlay.dts
+@@ -1,4 +1,4 @@
+-// redo: ovmerge -c vc4-kms-v3d-overlay.dts,cma-96 dwc2-overlay.dts,dr_mode=otg upstream-aux-interrupt-overlay.dts,
++// redo: ovmerge -c vc4-kms-v3d-overlay.dts,cma-96 dwc2-overlay.dts,dr_mode=otg
+ 
+ /dts-v1/;
+ /plugin/;