release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/loongson/Platform

   1 #
   2 # Loongson Processors' Support
   3 #
   4
   5 # Only gcc >= 4.4 have Loongson specific support
   6 cflags-$(CONFIG_CPU_LOONGSON2)  += -Wa,--trap
   7 cflags-$(CONFIG_CPU_LOONGSON2E) += \
   8         $(call cc-option,-march=loongson2e,-march=r4600)
   9 cflags-$(CONFIG_CPU_LOONGSON2F) += \
  10         $(call cc-option,-march=loongson2f,-march=r4600)
  11 # Enable the workarounds for Loongson2f
  12 ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
  13   ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),)
  14     $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop)
  15   else
  16     cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop
  17   endif
  18   ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),)
  19     $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump)
  20   else
  21     cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump
  22   endif
  23 endif
  24
  25 #
  26 # Loongson Machines' Support
  27 #
  28
  29 platform-$(CONFIG_MACH_LOONGSON) += loongson/
  30 cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely
  31 load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
  32 load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000