diff options
Diffstat (limited to 'kernel/arch/mips/loongson/Platform')
| -rw-r--r-- | kernel/arch/mips/loongson/Platform | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/arch/mips/loongson/Platform b/kernel/arch/mips/loongson/Platform new file mode 100644 index 000000000..0ac20eb84 --- /dev/null +++ b/kernel/arch/mips/loongson/Platform @@ -0,0 +1,33 @@ +# +# 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 +load-$(CONFIG_LOONGSON_MACH3X) += 0xffffffff80200000 |