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authorTakashi Iwai <tiwai@suse.de>2010-08-18 15:17:30 +0200
committerTakashi Iwai <tiwai@suse.de>2010-08-18 15:17:30 +0200
commit6ab561c8aab2e4af535f09adbc6253f958536848 (patch)
tree37846adb4ea106485720d113e252d71d615c23ed /arch/mips/loongson/Platform
parent4f4e8f69895c8696a4bcc751817d4b186023ac44 (diff)
parentcbaa9f60d5d5c3af10f94e0d49789d5b82341a4a (diff)
Merge branch 'topic/isa' into topic/misc
Diffstat (limited to 'arch/mips/loongson/Platform')
-rw-r--r--arch/mips/loongson/Platform32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/loongson/Platform b/arch/mips/loongson/Platform
new file mode 100644
index 00000000000..29692e5433b
--- /dev/null
+++ b/arch/mips/loongson/Platform
@@ -0,0 +1,32 @@
+#
+# Loongson Processors' Support
+#
+
+# Only gcc >= 4.4 have Loongson specific support
+cflags-$(CONFIG_CPU_LOONGSON2) += -Wa,--trap
+cflags-$(CONFIG_CPU_LOONGSON2E) += \
+ $(call cc-option,-march=loongson2e,-march=r4600)
+cflags-$(CONFIG_CPU_LOONGSON2F) += \
+ $(call cc-option,-march=loongson2f,-march=r4600)
+# Enable the workarounds for Loongson2f
+ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
+ ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),)
+ $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop)
+ else
+ cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop
+ endif
+ ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),)
+ $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump)
+ else
+ cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump
+ endif
+endif
+
+#
+# Loongson Machines' Support
+#
+
+platform-$(CONFIG_MACH_LOONGSON) += loongson/
+cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely
+load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
+load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000