xtensa: variant-specific code
Allow the variant to provide real code. Add empty dummy Makefiles for
the existing variants.
Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 1da55fe..6d7f60e 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -68,6 +68,9 @@
head-y := arch/xtensa/kernel/head.o
core-y += arch/xtensa/kernel/ arch/xtensa/mm/
+ifneq ($(VARIANT),)
+core-y += arch/xtensa/variants/$(VARIANT)/
+endif
ifneq ($(PLATFORM),)
core-y += arch/xtensa/platforms/$(PLATFORM)/
endif
diff --git a/arch/xtensa/variants/dc232b/Makefile b/arch/xtensa/variants/dc232b/Makefile
new file mode 100644
index 0000000..3c8f268
--- /dev/null
+++ b/arch/xtensa/variants/dc232b/Makefile
@@ -0,0 +1 @@
+# dc232b Makefile
diff --git a/arch/xtensa/variants/fsf/Makefile b/arch/xtensa/variants/fsf/Makefile
new file mode 100644
index 0000000..3fadcfd
--- /dev/null
+++ b/arch/xtensa/variants/fsf/Makefile
@@ -0,0 +1 @@
+# fsf Makefile