Re: [RFC] ARM: BCM: Add SMP support for Broadcom 4708

From: Scott Branden
Date: Thu Oct 15 2015 - 14:35:37 EST


Looks good.

On 15-10-15 11:14 AM, Jon Mason wrote:
ARM: BCM: Add SMP support for Broadcom 4708

Add SMP support for Broadcom's 4708 SoCs.

Signed-off-by: Jon Mason <jonmason@xxxxxxxxxxxx>
Acked-by: Scott Branden <sbranden@xxxxxxxxxxxx>
---
arch/arm/boot/dts/bcm4708.dtsi | 2 ++
arch/arm/boot/dts/bcm94708.dts | 2 +-
arch/arm/mach-bcm/Kconfig | 1 +
arch/arm/mach-bcm/Makefile | 3 +++
4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/bcm4708.dtsi b/arch/arm/boot/dts/bcm4708.dtsi
index 31141e8..22a41df 100644
--- a/arch/arm/boot/dts/bcm4708.dtsi
+++ b/arch/arm/boot/dts/bcm4708.dtsi
@@ -15,6 +15,8 @@
cpus {
#address-cells = <1>;
#size-cells = <0>;
+ enable-method = "brcm,bcm-nsp-smp";
+ secondary-boot-reg = <0xffff0400>;

cpu@0 {
device_type = "cpu";
diff --git a/arch/arm/boot/dts/bcm94708.dts b/arch/arm/boot/dts/bcm94708.dts
index f60bb1d..49682d6 100644
--- a/arch/arm/boot/dts/bcm94708.dts
+++ b/arch/arm/boot/dts/bcm94708.dts
@@ -32,7 +32,7 @@

/dts-v1/;

-#include "bcm5301x.dtsi"
+#include "bcm4708.dtsi"

/ {
model = "NorthStar SVK (BCM94708)";
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 2e9dbb5..4fc8fa3 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 36a4ca30..3ca1cf1 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) += headsmp.o platsmp.o
+endif

# BCM63XXx
ifeq ($(CONFIG_ARCH_BCM_63XX),y)


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