Messages in this thread | | | Date | Sat, 07 Nov 2015 00:27:51 +0100 | From | Hauke Mehrtens <> | Subject | Re: [PATCH v3 4/4] ARM: BCM: Add SMP support for Broadcom 4708 |
| |
On 11/06/2015 11:54 PM, Jon Mason wrote: > On Fri, Nov 06, 2015 at 10:42:41PM +0100, Hauke Mehrtens wrote: >> On 11/06/2015 10:11 PM, Kapil Hali wrote: >>> From: Jon Mason <jonmason@broadcom.com> >>> >>> 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> >> >> 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 >>> select ARCH_BCM_IPROC >> >> You activated ARM_ERRATA_764369 for NSP is this not needed for NS? > > I'm not certain the CPU version, and without that it is difficult to > know what errata's are present in the underlying hardware. My guess > is that all present in NSP are present in NS (for UP and SMP). This > would put it as: > select ARM_ERRATA_754322 > select ARM_ERRATA_775420 > select ARM_ERRATA_764369 if SMP > > Would you like me to have them added? >
I will send a separate patch adding all the workarounds for erratas in the CPU core and the cache controller.
Hauke
| |