This patch enables SMP on OMAP4430 SDP platform.
Signed-off-by: Santosh Shilimkar <[email protected]>
---
arch/arm/Kconfig | 4 ++--
arch/arm/configs/omap_4430sdp_defconfig | 7 ++++++-
arch/arm/mach-omap2/Makefile | 3 +++
3 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e02b893..dc9f9fd 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -807,7 +807,7 @@ source "kernel/time/Kconfig"
config SMP
bool "Symmetric Multi-Processing (EXPERIMENTAL)"
- depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP)
+ depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP
|| ARCH_OMAP4)
select USE_GENERIC_SMP_HELPERS
help
This enables support for systems with more than one CPU. If you have
@@ -864,7 +864,7 @@ config HOTPLUG_CPU
config LOCAL_TIMERS
bool "Use local timer interrupts"
- depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP ||
REALVIEW_EB_A9MP)
+ depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP ||
REALVIEW_EB_A9MP || ARCH_OMAP4)
default y
help
Enable support for local timers on SMP platforms, rather then the
diff --git a/arch/arm/configs/omap_4430sdp_defconfig
b/arch/arm/configs/omap_4430sdp_defconfig
index 43532bc..fe2690e 100644
--- a/arch/arm/configs/omap_4430sdp_defconfig
+++ b/arch/arm/configs/omap_4430sdp_defconfig
@@ -30,7 +30,7 @@ CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
# General setup
#
CONFIG_EXPERIMENTAL=y
-CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
@@ -104,6 +104,7 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
# CONFIG_LBD is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
@@ -244,6 +245,9 @@ CONFIG_VMSPLIT_3G=y
# CONFIG_VMSPLIT_2G is not set
# CONFIG_VMSPLIT_1G is not set
CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
+CONFIG_LOCAL_TIMERS=y
# CONFIG_PREEMPT is not set
CONFIG_HZ=128
CONFIG_AEABI=y
@@ -695,6 +699,7 @@ CONFIG_HAVE_FUNCTION_TRACER=y
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
+# CONFIG_ARM_UNWIND is not set
# CONFIG_DEBUG_USER is not set
# CONFIG_DEBUG_ERRORS is not set
# CONFIG_DEBUG_STACK_USAGE is not set
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index bfb21e0..8fbbb35 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -14,6 +14,9 @@ obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common)
obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
+# SMP support ONLY available for OMAP4
+obj-$(CONFIG_SMP) += omap-smp.o omap-headsmp.o \
+ timer-mpu.o
# Functions loaded to SRAM
obj-$(CONFIG_ARCH_OMAP2420) += sram242x.o
obj-$(CONFIG_ARCH_OMAP2430) += sram243x.o
--
1.5.4.7
--
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