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MIPS: Loongson32: Revert ISA level to MIPS32R2 

GS232 core have implemented all necessary mips32r2 instructions.
Serval missing FP instructions can be emulated by kernel.

The issue of di instruction have been solved.
Thus we revert the ISA level back to MIPS32R2.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: keguang.zhang@gmail.com
hifive-unleashed-5.1
Jiaxun Yang 2019-01-22 21:04:12 +08:00 committed by Paul Burton
parent bdea8bb163
commit 7e280f6b05
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GPG Key ID: 3EA79FACB57500DD
2 changed files with 2 additions and 2 deletions
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2
arch/mips/Kconfig
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@ -1864,7 +1864,7 @@ config CPU_LOONGSON2
config CPU_LOONGSON1
bool
select CPU_MIPS32
select CPU_MIPSR1
select CPU_MIPSR2
select CPU_HAS_PREFETCH
select CPU_HAS_LOAD_STORE_LR
select CPU_SUPPORTS_32BIT_KERNEL

2
arch/mips/loongson32/Platform
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@ -1,4 +1,4 @@
cflags-$(CONFIG_CPU_LOONGSON1) += -march=mips32 -Wa,--trap
cflags-$(CONFIG_CPU_LOONGSON1) += -march=mips32r2 -Wa,--trap
platform-$(CONFIG_MACH_LOONGSON32) += loongson32/
cflags-$(CONFIG_MACH_LOONGSON32) += -I$(srctree)/arch/mips/include/asm/mach-loongson32
load-$(CONFIG_CPU_LOONGSON1) += 0xffffffff80200000