bcm53xx: use Broadcom's proposed SMP implementation
[openwrt.git] / target / linux / bcm53xx / patches-4.1 / 131-ARM-BCM-Add-SMP-support-for-Broadcom-4708.patch
1 From ddbf0ad85be06948dd214c7beb7b315ef2749e65 Mon Sep 17 00:00:00 2001
2 From: Jon Mason <jonmason@broadcom.com>
3 Date: Thu, 15 Oct 2015 14:14:10 -0400
4 Subject: [PATCH] ARM: BCM: Add SMP support for Broadcom 4708
5
6 ARM: BCM: Add SMP support for Broadcom 4708
7
8 Add SMP support for Broadcom's 4708 SoCs.
9
10 Signed-off-by: Jon Mason <jonmason@broadcom.com>
11 ---
12  arch/arm/boot/dts/bcm4708.dtsi | 2 ++
13  arch/arm/mach-bcm/Kconfig      | 2 ++
14  arch/arm/mach-bcm/Makefile     | 3 +++
15  3 files changed, 7 insertions(+)
16
17 --- a/arch/arm/boot/dts/bcm4708.dtsi
18 +++ b/arch/arm/boot/dts/bcm4708.dtsi
19 @@ -15,6 +15,8 @@
20         cpus {
21                 #address-cells = <1>;
22                 #size-cells = <0>;
23 +               enable-method = "brcm,bcm-nsp-smp";
24 +               secondary-boot-reg = <0xffff0400>;
25  
26                 cpu@0 {
27                         device_type = "cpu";
28 --- a/arch/arm/mach-bcm/Kconfig
29 +++ b/arch/arm/mach-bcm/Kconfig
30 @@ -38,6 +38,8 @@ config ARCH_BCM_CYGNUS
31  config ARCH_BCM_5301X
32         bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7
33         select ARCH_BCM_IPROC
34 +       select ARM_ERRATA_764369 if SMP
35 +       select HAVE_SMP
36         help
37           Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores.
38  
39 --- a/arch/arm/mach-bcm/Makefile
40 +++ b/arch/arm/mach-bcm/Makefile
41 @@ -36,6 +36,9 @@ obj-$(CONFIG_ARCH_BCM2835)    += board_bcm2
42  
43  # BCM5301X
44  obj-$(CONFIG_ARCH_BCM_5301X)   += bcm_5301x.o
45 +ifeq ($(CONFIG_ARCH_BCM_5301X),y)
46 +obj-$(CONFIG_SMP)              += headsmp.o platsmp.o
47 +endif
48  
49  # BCM63XXx
50  obj-$(CONFIG_ARCH_BCM_63XX)    := bcm63xx.o