bcm27xx: update patches from RPi foundation
[openwrt/staging/luka.git] / target / linux / bcm27xx / patches-5.4 / 950-0423-ARM-dts-bcm2711-force-CMA-into-first-GB-of-memory.patch
diff --git a/target/linux/bcm27xx/patches-5.4/950-0423-ARM-dts-bcm2711-force-CMA-into-first-GB-of-memory.patch b/target/linux/bcm27xx/patches-5.4/950-0423-ARM-dts-bcm2711-force-CMA-into-first-GB-of-memory.patch
deleted file mode 100644 (file)
index 44f60d6..0000000
+++ /dev/null
@@ -1,45 +0,0 @@
-From 4bcb99a967998d255ef009bb0b6880ae99c6f6bf Mon Sep 17 00:00:00 2001
-From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
-Date: Wed, 6 Nov 2019 10:59:44 +0100
-Subject: [PATCH] ARM: dts: bcm2711: force CMA into first GB of memory
-
-arm64 places the CMA in ZONE_DMA32, which is not good enough for the
-Raspberry Pi 4 since it contains peripherals that can only address the
-first GB of memory. Explicitly place the CMA into that area.
-
-Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
-Acked-by: Stefan Wahren <wahrenst@gmx.net>
-Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
----
- arch/arm/boot/dts/bcm2711.dtsi | 20 ++++++++++++++++++++
- 1 file changed, 20 insertions(+)
-
---- a/arch/arm/boot/dts/bcm2711.dtsi
-+++ b/arch/arm/boot/dts/bcm2711.dtsi
-@@ -12,6 +12,26 @@
-       interrupt-parent = <&gicv2>;
-+      reserved-memory {
-+              #address-cells = <2>;
-+              #size-cells = <1>;
-+              ranges;
-+
-+              /*
-+               * arm64 reserves the CMA by default somewhere in ZONE_DMA32,
-+               * that's not good enough for the BCM2711 as some devices can
-+               * only address the lower 1G of memory (ZONE_DMA).
-+               */
-+              linux,cma {
-+                      compatible = "shared-dma-pool";
-+                      size = <0x2000000>; /* 32MB */
-+                      alloc-ranges = <0x0 0x00000000 0x40000000>;
-+                      reusable;
-+                      linux,cma-default;
-+              };
-+      };
-+
-+
-       soc {
-               /*
-                * Defined ranges: