openwrt-owl/target/linux/bcm53xx/patches-4.4/024-ARM-BCM-Add-SMP-support-for-Broadcom-4708.patch

From 99498905ac1fbc73a97d27d21ea449fb939072e3 Mon Sep 17 00:00:00 2001
From: Jon Mason <jonmason@broadcom.com>
Date: Tue, 1 Dec 2015 11:24:09 -0500
Subject: [PATCH] ARM: BCM: Add SMP support for Broadcom 4708

Add SMP support for Broadcom's 4708 SoCs.

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/boot/dts/bcm4708.dtsi | 2 ++
 arch/arm/mach-bcm/Kconfig      | 1 +
 arch/arm/mach-bcm/Makefile     | 3 +++
 3 files changed, 6 insertions(+)

--- a/arch/arm/boot/dts/bcm4708.dtsi
+++ b/arch/arm/boot/dts/bcm4708.dtsi
@@ -15,6 +15,7 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "brcm,bcm-nsp-smp";
 
 		cpu@0 {
 			device_type = "cpu";
@@ -27,6 +28,7 @@
 			device_type = "cpu";
 			compatible = "arm,cortex-a9";
 			next-level-cache = <&L2>;
+			secondary-boot-reg = <0xffff0400>;
 			reg = <0x1>;
 		};
 	};
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -57,6 +57,7 @@ config ARCH_BCM_5301X
 	select ARM_ERRATA_754322
 	select ARM_ERRATA_775420
 	select ARM_ERRATA_764369 if SMP
+	select HAVE_SMP
 
 	help
 	  Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -43,6 +43,9 @@ obj-$(CONFIG_ARCH_BCM2835)	+= board_bcm2835.o
 
 # BCM5301X
 obj-$(CONFIG_ARCH_BCM_5301X)	+= bcm_5301x.o
+ifeq ($(CONFIG_ARCH_BCM_5301X),y)
+obj-$(CONFIG_SMP)		+= platsmp.o
+endif
 
 # BCM63XXx
 ifeq ($(CONFIG_ARCH_BCM_63XX),y)