[PATCH v4 5/5] ARM: BCM: Add SMP support for Broadcom 4708

From: Kapil Hali
Date: Tue Dec 01 2015 - 11:25:15 EST


From: Jon Mason <jonmason@xxxxxxxxxxxx>

Add SMP support for Broadcom's 4708 SoCs.

Signed-off-by: Jon Mason <jonmason@xxxxxxxxxxxx>
Acked-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
Tested-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
Signed-off-by: Kapil Hali <kapilh@xxxxxxxxxxxx>
---
arch/arm/boot/dts/bcm4708.dtsi | 2 ++
arch/arm/mach-bcm/Kconfig | 1 +
arch/arm/mach-bcm/Makefile | 3 +++
3 files changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/bcm4708.dtsi b/arch/arm/boot/dts/bcm4708.dtsi
index 31141e8..eed4dd1 100644
--- 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>;
};
};
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 83765a0..e85246f 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -54,6 +54,7 @@ config ARCH_BCM_NSP
config ARCH_BCM_5301X
bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
select ARCH_BCM_IPROC
+ select HAVE_SMP
help
Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.

diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile
index 5193a25..7d66515 100644
--- 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)
--
2.1.0

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