summaryrefslogtreecommitdiffstats
path: root/arch/mips/loongson/Platform
blob: 0ac20eb84ecc84a0e08472610082c4787e51cab3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
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
OpenPOWER on IntegriCloud