Re: [PATCH v3 4/4] ARM: BCM: Add SMP support for Broadcom 4708

From: Scott Branden
Date: Fri Nov 06 2015 - 18:16:45 EST

Hi Hauke,

On 15-11-06 01:42 PM, Hauke Mehrtens wrote:
On 11/06/2015 10:11 PM, Kapil Hali wrote:
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>

I tested this on a Netgear R6250 V1 (BCM4708) and SMP worked.

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/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

You activated ARM_ERRATA_764369 for NSP is this not needed for NS?

You would have to read the ARM CPU register and then compare to ARM Errata to see whether the Errata affects NS or not.

+ select HAVE_SMP
Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.



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