openwrtv4/target/linux/bcm53xx/patches-4.3/131-ARM-BCM-Add-SMP-support-for-Broadcom-4708.patch
Hauke Mehrtens c03f264f6d bcm53xx: activate workarounds for erratas
This also deactivates some workaround for erratas only seen in older
CPU cores and L2 cores not used in this SoC.

This partly reverts commit r44947.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 47686
2015-12-02 15:19:29 +00:00

49 lines
1.3 KiB
Diff

From ddbf0ad85be06948dd214c7beb7b315ef2749e65 Mon Sep 17 00:00:00 2001
From: Jon Mason <jonmason@broadcom.com>
Date: Thu, 15 Oct 2015 14:14:10 -0400
Subject: [PATCH] ARM: BCM: Add SMP support for Broadcom 4708
ARM: BCM: Add SMP support for Broadcom 4708
Add SMP support for Broadcom's 4708 SoCs.
Signed-off-by: Jon Mason <jonmason@broadcom.com>
---
arch/arm/boot/dts/bcm4708.dtsi | 2 ++
arch/arm/mach-bcm/Kconfig | 2 ++
arch/arm/mach-bcm/Makefile | 3 +++
3 files changed, 7 insertions(+)
--- 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";
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -41,6 +41,7 @@ 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
@@ -36,6 +36,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2
# BCM5301X
obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o
+ifeq ($(CONFIG_ARCH_BCM_5301X),y)
+obj-$(CONFIG_SMP) += headsmp.o platsmp.o
+endif
# BCM63XXx
ifeq ($(CONFIG_ARCH_BCM_63XX),y)