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793f8ab62c
Add kernel patches for version 6.1. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
90 lines
2.5 KiB
Diff
90 lines
2.5 KiB
Diff
From 96c1d3649471109b3da9fc04797fa84f8cab4c81 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 11 May 2023 09:59:04 +0100
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Subject: [PATCH] ARM: dts: bcm27xx: Correct the dma-ranges
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Step one of using DMA addresses the intended way is to make sure that
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the mapping between CPU physical addresses and DMA addresses in Device
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Tree is complete and correct.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm2708.dtsi | 3 ++-
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arch/arm/boot/dts/bcm2709.dtsi | 3 +++
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arch/arm/boot/dts/bcm2710.dtsi | 3 +++
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arch/arm/boot/dts/bcm2711-rpi-ds.dtsi | 13 ++++++++++++-
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4 files changed, 20 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm2708.dtsi
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+++ b/arch/arm/boot/dts/bcm2708.dtsi
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@@ -10,7 +10,8 @@
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};
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&soc {
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- dma-ranges = <0x80000000 0x00000000 0x20000000>;
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+ dma-ranges = <0x80000000 0x00000000 0x20000000>,
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+ <0x7e000000 0x20000000 0x02000000>;
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};
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&vc4 {
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--- a/arch/arm/boot/dts/bcm2709.dtsi
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+++ b/arch/arm/boot/dts/bcm2709.dtsi
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@@ -8,6 +8,9 @@
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ranges = <0x7e000000 0x3f000000 0x01000000>,
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<0x40000000 0x40000000 0x00040000>;
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+ dma-ranges = <0xc0000000 0x00000000 0x3f000000>,
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+ <0x7e000000 0x3f000000 0x01000000>;
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+
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/delete-node/ timer@7e003000;
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};
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--- a/arch/arm/boot/dts/bcm2710.dtsi
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+++ b/arch/arm/boot/dts/bcm2710.dtsi
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@@ -11,6 +11,9 @@
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};
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soc {
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+ dma-ranges = <0xc0000000 0x00000000 0x3f000000>,
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+ <0x7e000000 0x3f000000 0x01000000>;
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+
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/delete-node/ timer@7e003000;
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};
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--- a/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi
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+++ b/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi
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@@ -18,6 +18,10 @@
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/* Add a label */
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};
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+ soc: soc {
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+ /* Add a label */
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+ };
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+
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arm-pmu {
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compatible = "arm,cortex-a72-pmu", "arm,armv8-pmuv3", "arm,cortex-a7-pmu";
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@@ -64,6 +68,12 @@
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alloc-ranges = <0x0 0x00000000 0x30000000>;
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};
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+&soc {
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+ /* Add the physical <-> DMA mapping for the I/O space */
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+ dma-ranges = <0xc0000000 0x0 0x00000000 0x40000000>,
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+ <0x7c000000 0x0 0xfc000000 0x03800000>;
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+};
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+
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&scb {
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#size-cells = <2>;
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@@ -71,7 +81,8 @@
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<0x0 0x40000000 0x0 0xff800000 0x0 0x00800000>,
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<0x6 0x00000000 0x6 0x00000000 0x0 0x40000000>,
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<0x0 0x00000000 0x0 0x00000000 0x0 0xfc000000>;
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- dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x4 0x00000000>;
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+ dma-ranges = <0x4 0x7c000000 0x0 0xfc000000 0x0 0x03800000>,
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+ <0x0 0x00000000 0x0 0x00000000 0x4 0x00000000>;
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dma40: dma@7e007b00 {
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compatible = "brcm,bcm2711-dma";
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