sh: Initial SH-X3 SMP support.

This adds basic support for SH-X3 SMP (4 CPUs).

More IPI and cache debugging is necessary, mostly interfacing the
d-cache coherency and the I-cache broadcast invalidates. Only for
testing at present!

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index e6a1fb5f8484..24539873943a 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -10,6 +10,9 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7343)	+= setup-sh7343.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7722)        += setup-sh7722.o
 obj-$(CONFIG_CPU_SUBTYPE_SHX3)          += setup-shx3.o
 
+# SMP setup
+smp-$(CONFIG_CPU_SUBTYPE_SHX3)          := smp-shx3.o
+
 # Primary on-chip clocks (common)
 clock-$(CONFIG_CPU_SUBTYPE_SH7770)      := clock-sh7770.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7780)      := clock-sh7780.o
@@ -18,4 +21,5 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7343.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7722)      := clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SHX3)        := clock-shx3.o
 
-obj-y   += $(clock-y)
+obj-y                   += $(clock-y)
+obj-$(CONFIG_SMP)       += $(smp-y)