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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0747-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0747-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0747-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0747-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch b/target/linux/bcm27xx/patches-5.4/950-0747-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch
new file mode 100644
index 0000000000..947fb73a39
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0747-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch
@@ -0,0 +1,67 @@
+From 79495a5ecdfba69de51e88701a69c42d09806d84 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.com>
+Date: Wed, 20 May 2020 16:36:57 +0100
+Subject: [PATCH] ARM: dts: Update for new VCHIQ BCM2711 DMA support
+
+Now that the enhanced BCM2711 DMA controller is located by compatible
+string and used directly for generating bulk transfer addresses,
+remove the workaround of moving the vchiq node.
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.com>
+---
+ arch/arm/boot/dts/bcm2711-rpi.dtsi | 23 ++++-------------------
+ 1 file changed, 4 insertions(+), 19 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm2711-rpi.dtsi
++++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi
+@@ -4,7 +4,6 @@
+ / {
+ soc {
+ /delete-node/ v3d@7ec00000;
+- /delete-node/ mailbox@7e00b840;
+ };
+
+ __overrides__ {
+@@ -88,12 +87,6 @@
+ brcm,dma-channel-mask = <0x7800>;
+ };
+
+- vchiq: mailbox@7e00b840 {
+- compatible = "brcm,bcm2711-vchiq";
+- reg = <0 0x7e00b840 0x0 0x3c>;
+- interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+- };
+-
+ xhci: xhci@7e9c0000 {
+ compatible = "generic-xhci";
+ status = "disabled";
+@@ -127,18 +120,6 @@
+ };
+ };
+
+-&vchiq {
+- /* Onboard audio
+- * This node is replicated because the original from bcm270x-rpi.dtsi
+- * was deleted when the vchiq node was deleted above.
+- */
+- audio: bcm2835_audio {
+- compatible = "brcm,bcm2835-audio";
+- brcm,pwm-channels = <8>;
+- status = "disabled";
+- };
+-};
+-
+ &dma {
+ /* The VPU firmware uses DMA channel 11 for VCHIQ */
+ brcm,dma-channel-mask = <0x1f5>;
+@@ -149,6 +130,10 @@
+ brcm,dma-channel-mask = <0x7000>;
+ };
+
++&vchiq {
++ compatible = "brcm,bcm2711-vchiq";
++};
++
+ &firmwarekms {
+ interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+ };