openwrt_archive/target/linux/ipq806x/patches-4.1/036-ARM-qcom-add-SMEM-device-node-to-IPQ806x-dts.patch
John Crispin f6ad842271 ipq806x: add SMEM support
2 patches are cherry-picked from the following LKML thread:
*https://lkml.org/lkml/2015/4/11/208

The last patch (036-soc-qcom-add-smem-to-IPQ806x-platforms.patch) is
adding the corresponding DT nodes required for IPQ806x.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 46656
2015-08-17 06:17:58 +00:00

37 lines
966 B
Diff

From f212be3a6134db8dd7c5f6f0987536a669401fae Mon Sep 17 00:00:00 2001
From: Mathieu Olivari <mathieu@codeaurora.org>
Date: Fri, 14 Aug 2015 11:17:20 -0700
Subject: [PATCH 2/3] ARM: qcom: add SMEM device node to IPQ806x dts
SMEM is used on IPQ806x to store various board related information such
as boot device and flash partition layout. We'll declare it as a device
so we can make use of it thanks to the new SMEM soc driver.
Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
---
arch/arm/boot/dts/qcom-ipq8064.dtsi | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -55,7 +55,7 @@
no-map;
};
- smem@41000000 {
+ smem: smem@41000000 {
reg = <0x41000000 0x200000>;
no-map;
};
@@ -341,4 +341,10 @@
#hwlock-cells = <1>;
};
+
+ smem {
+ compatible = "qcom,smem";
+ memory-region = <&smem>;
+ hwlocks = <&sfpb_mutex 3>;
+ };
};