DHDAXCW-Rockchip-OpenWrt/target/linux/ipq807x/patches-5.10/144-arm64-dts-ipq8074-add-NSS-reserved-memory-node.patch
2021-06-24 12:16:06 +08:00

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From 22865119dada2a40a5e5e8c5f22b5bec08651021 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Fri, 14 May 2021 19:43:41 +0200
Subject: [PATCH] arm64: dts: ipq8074: add NSS reserved memory node
NSS FW has its own dedicated memory it needs to get loaded to.
Since it simply uses ioremap() that memory must be reserved
so the kernel will allow using ioremap() on it.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
arch/arm64/boot/dts/qcom/ipq8074.dtsi | 5 +++++
1 file changed, 5 insertions(+)
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -91,6 +91,11 @@
#size-cells = <2>;
ranges;
+ nss@40000000 {
+ no-map;
+ reg = <0x0 0x40000000 0x0 0x01000000>;
+ };
+
smem_region: memory@4ab00000 {
no-map;
reg = <0x0 0x4ab00000 0x0 0x00100000>;