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5682b0d954
This replaces our SMP implementation with a very similar version which is Broadcom currently trying to get into mainline kernel. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 47247
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
From ddbf0ad85be06948dd214c7beb7b315ef2749e65 Mon Sep 17 00:00:00 2001
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From: Jon Mason <jonmason@broadcom.com>
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Date: Thu, 15 Oct 2015 14:14:10 -0400
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Subject: [PATCH] ARM: BCM: Add SMP support for Broadcom 4708
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ARM: BCM: Add SMP support for Broadcom 4708
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Add SMP support for Broadcom's 4708 SoCs.
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Signed-off-by: Jon Mason <jonmason@broadcom.com>
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---
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arch/arm/boot/dts/bcm4708.dtsi | 2 ++
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arch/arm/mach-bcm/Kconfig | 2 ++
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arch/arm/mach-bcm/Makefile | 3 +++
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3 files changed, 7 insertions(+)
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--- a/arch/arm/boot/dts/bcm4708.dtsi
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+++ b/arch/arm/boot/dts/bcm4708.dtsi
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@@ -15,6 +15,8 @@
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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+ enable-method = "brcm,bcm-nsp-smp";
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+ secondary-boot-reg = <0xffff0400>;
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cpu@0 {
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device_type = "cpu";
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--- a/arch/arm/mach-bcm/Kconfig
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+++ b/arch/arm/mach-bcm/Kconfig
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@@ -38,6 +38,8 @@ config ARCH_BCM_CYGNUS
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config ARCH_BCM_5301X
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bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
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select ARCH_BCM_IPROC
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+ select ARM_ERRATA_764369 if SMP
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+ select HAVE_SMP
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help
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Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
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--- a/arch/arm/mach-bcm/Makefile
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+++ b/arch/arm/mach-bcm/Makefile
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@@ -36,6 +36,9 @@ obj-$(CONFIG_ARCH_BCM2835) += board_bcm2
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# BCM5301X
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obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o
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+ifeq ($(CONFIG_ARCH_BCM_5301X),y)
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+obj-$(CONFIG_SMP) += headsmp.o platsmp.o
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+endif
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# BCM63XXx
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obj-$(CONFIG_ARCH_BCM_63XX) := bcm63xx.o
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