diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0670-dts-bcm2711-add-High-Peripheral-mode-overlay.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0670-dts-bcm2711-add-High-Peripheral-mode-overlay.patch | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0670-dts-bcm2711-add-High-Peripheral-mode-overlay.patch b/target/linux/bcm27xx/patches-5.4/950-0670-dts-bcm2711-add-High-Peripheral-mode-overlay.patch new file mode 100644 index 0000000000..e24f5de000 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0670-dts-bcm2711-add-High-Peripheral-mode-overlay.patch @@ -0,0 +1,140 @@ +From f6d6731d8e896ab029466547dfa66d91a9a6b73a Mon Sep 17 00:00:00 2001 +From: Hristo Venev <hristo@venev.name> +Date: Wed, 22 Apr 2020 16:34:59 +0300 +Subject: [PATCH] dts: bcm2711: add "High Peripheral" mode overlay + +The following addresses change: + + - 0xfc00_0000 -> 0x4_7c00_0000 + - 0xff80_0000 -> 0x4_c000_0000 + +The range 0xfc00_0000-0xffff_ffff becomes available as system RAM on +devices with >= 4 GiB of RAM. Firmware should initialize the memory node +appropriately. + +Signed-off-by: Hristo Venev <hristo@venev.name> +--- + arch/arm/boot/dts/bcm2711-rpi.dtsi | 2 +- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 6 ++ + .../boot/dts/overlays/highperi-overlay.dts | 64 +++++++++++++++++++ + arch/arm/boot/dts/overlays/overlay_map.dts | 4 ++ + 5 files changed, 76 insertions(+), 1 deletion(-) + create mode 100644 arch/arm/boot/dts/overlays/highperi-overlay.dts + +--- a/arch/arm/boot/dts/bcm2711-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi +@@ -16,7 +16,7 @@ + compatible = "arm,cortex-a72-pmu", "arm,cortex-a15-pmu"; + }; + +- v3dbus { ++ v3dbus: v3dbus { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <2>; +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -64,6 +64,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + hifiberry-dacplushd.dtbo \ + hifiberry-digi.dtbo \ + hifiberry-digi-pro.dtbo \ ++ highperi.dtbo \ + hy28a.dtbo \ + hy28b.dtbo \ + hy28b-2017.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -1019,6 +1019,12 @@ Load: dtoverlay=hifiberry-digi-pro + Params: <None> + + ++Name: highperi ++Info: Enables "High Peripheral" mode ++Load: dtoverlay=highperi ++Params: <None> ++ ++ + Name: hy28a + Info: HY28A - 2.8" TFT LCD Display Module by HAOYU Electronics + Default values match Texy's display shield +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/highperi-overlay.dts +@@ -0,0 +1,64 @@ ++/* ++ * highperi.dts ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2711"; ++ ++ fragment@0 { ++ target = <&soc>; ++ #address-cells = <2>; ++ #size-cells = <1>; ++ ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ranges = <0x7c000000 0x4 0x7c000000 0x04000000>, ++ <0x40000000 0x4 0xc0000000 0x00800000>; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&scb>; ++ #address-cells = <2>; ++ #size-cells = <1>; ++ ++ __overlay__ { ++ #address-cells = <2>; ++ #size-cells = <2>; ++ ranges = <0x0 0x7c000000 0x4 0x7c000000 0x0 0x04000000>, ++ <0x0 0x40000000 0x4 0xc0000000 0x0 0x00800000>, ++ <0x6 0x00000000 0x6 0x00000000 0x0 0x40000000>, ++ <0x0 0x00000000 0x0 0x00000000 0x1 0x00000000>; ++ dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x2 0x00000000>; ++ }; ++ }; ++ ++ fragment@2 { ++ target = <&v3dbus>; ++ #address-cells = <2>; ++ #size-cells = <1>; ++ ++ __overlay__ { ++ #address-cells = <1>; ++ #size-cells = <2>; ++ ranges = <0x7c500000 0x4 0x7c500000 0x0 0x03300000>, ++ <0x40000000 0x4 0xc0000000 0x0 0x00800000>; ++ }; ++ }; ++ ++ fragment@3 { ++ target = <&emmc2bus>; ++ #address-cells = <2>; ++ #size-cells = <1>; ++ ++ __overlay__ { ++ #address-cells = <2>; ++ #size-cells = <1>; ++ ranges = <0x0 0x7e000000 0x4 0x7e000000 0x01800000>; ++ }; ++ }; ++}; +--- a/arch/arm/boot/dts/overlays/overlay_map.dts ++++ b/arch/arm/boot/dts/overlays/overlay_map.dts +@@ -5,6 +5,10 @@ + deprecated = "use i2c-sensor,bmp085"; + }; + ++ highperi { ++ bcm2711; ++ }; ++ + i2c0-bcm2708 { + deprecated = "use i2c0"; + }; |