From 16e1bf7dde22ee22a331aabf824cc31a6794a4cb Mon Sep 17 00:00:00 2001
From: Jon Mason <jonmason@broadcom.com>
Date: Thu, 15 Oct 2015 14:09:10 -0400
Subject: [PATCH 134/134] 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>
---
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
@@ -55,6 +55,7 @@ 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
@@ -39,6 +39,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2
# BCM5301X
obj-$(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)