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| author |   Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-01-13 18:15:00 +0800 |
|---|---|---|
| committer |   Paul Burton <paulburton@kernel.org> | 2020-01-23 10:26:48 -0800 |
| commit | 51522217f65f1f937f421d9f417cf0e714ef3c02 (patch) | |
| tree | 29384efccae4de2d23e641f8d07ef16273acecae /arch/mips/Kconfig | |
| parent | MIPS: Make DIEI support as a config option (diff) | |
| download | linux-dev-51522217f65f1f937f421d9f417cf0e714ef3c02.tar.xz linux-dev-51522217f65f1f937f421d9f417cf0e714ef3c02.zip | |
MIPS: Loongson64: Bump ISA level to MIPSR2
Despite early sample of Loongson-3A1000, the whole Loongson64 family have
implemented all the features required by MIPS64 Release2. Thus we decide to
bump the ISA option to R2.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: chenhc@lemote.com
Cc: paul.burton@mips.com
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/Kconfig')
| -rw-r--r-- | arch/mips/Kconfig | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 75fca0cee9a2..08b6f3413c01 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1436,10 +1436,14 @@ config CPU_LOONGSON64 bool "Loongson 64-bit CPU" depends on SYS_HAS_CPU_LOONGSON64 select ARCH_HAS_PHYS_TO_DMA + select CPU_MIPSR2 + select CPU_HAS_PREFETCH select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_HUGEPAGES select CPU_SUPPORTS_MSA + select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT + select CPU_MIPSR2_IRQ_VI select WEAK_ORDERING select WEAK_REORDERING_BEYOND_LLSC select MIPS_ASID_BITS_VARIABLE @@ -1457,8 +1461,6 @@ config CPU_LOONGSON64 config LOONGSON3_ENHANCEMENT bool "New Loongson-3 CPU Enhancements" default n - select CPU_MIPSR2 - select CPU_HAS_PREFETCH depends on CPU_LOONGSON64 help New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A |