Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx> --- arch/mips/Kbuild.platforms | 1 + arch/mips/Makefile | 29 ----------------------------- arch/mips/loongson/Platform | 32 ++++++++++++++++++++++++++++++++ 3 files changed, 33 insertions(+), 29 deletions(-) create mode 100644 arch/mips/loongson/Platform diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms index 681b2d4..9784c49 100644 --- a/arch/mips/Kbuild.platforms +++ b/arch/mips/Kbuild.platforms @@ -1,6 +1,7 @@ # All platforms listed in alphabetic order platforms += ar7 +platforms += loongson # include the platform specific files include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms)) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index ff71a54..14b755d 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -130,26 +130,6 @@ cflags-$(CONFIG_CPU_R4300) += -march=r4300 -Wa,--trap cflags-$(CONFIG_CPU_VR41XX) += -march=r4100 -Wa,--trap cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap -# only gcc >= 4.4 have the loongson-specific support -cflags-$(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$(comma)-mfix-loongson2f-jump - endif -endif - cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ -Wa,-mips32 -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ @@ -346,15 +326,6 @@ cflags-$(CONFIG_WR_PPMC) += -I$(srctree)/arch/mips/include/asm/mach-wrppmc load-$(CONFIG_WR_PPMC) += 0xffffffff80100000 # -# Loongson family -# -core-$(CONFIG_MACH_LOONGSON) += arch/mips/loongson/ -cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson \ - -mno-branch-likely -load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 -load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 - -# # MIPS Malta board # core-$(CONFIG_MIPS_MALTA) += arch/mips/mti-malta/ diff --git a/arch/mips/loongson/Platform b/arch/mips/loongson/Platform new file mode 100644 index 0000000..29692e5 --- /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 -- 1.6.5
