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Broadcom submitted new SMP patches for this SoC to upstream Linux, add them to OpenWrt. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 47687
58 lines
1.6 KiB
Diff
58 lines
1.6 KiB
Diff
From 16e1bf7dde22ee22a331aabf824cc31a6794a4cb 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 14:09:10 -0400
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Subject: [PATCH 134/134] 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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Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
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Tested-by: Hauke Mehrtens <hauke@hauke-m.de>
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Signed-off-by: Kapil Hali <kapilh@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 | 1 +
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arch/arm/mach-bcm/Makefile | 3 +++
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3 files changed, 6 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 +15,7 @@
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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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cpu@0 {
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device_type = "cpu";
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@@ -27,6 +28,7 @@
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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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+ secondary-boot-reg = <0xffff0400>;
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reg = <0x1>;
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};
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};
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--- a/arch/arm/mach-bcm/Kconfig
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+++ b/arch/arm/mach-bcm/Kconfig
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@@ -41,6 +41,7 @@ config ARCH_BCM_5301X
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select ARM_ERRATA_754322
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select ARM_ERRATA_775420
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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) += platsmp.o
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+endif
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# BCM63XXx
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ifeq ($(CONFIG_ARCH_BCM_63XX),y)
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