MIPS: Add support for uncached accelerated mappings.

Loongson2f support video acceleration.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/624/
Patchwork: http://patchwork.linux-mips.org/patch/625/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 51e4e5b02f9d..e2116b1f968e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1336,6 +1336,7 @@ config SYS_HAS_CPU_LOONGSON2F
         bool
         select CPU_SUPPORTS_CPUFREQ
         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
+        select CPU_SUPPORTS_UNCACHED_ACCELERATED
 
 config SYS_HAS_CPU_MIPS32_R1
         bool
@@ -1451,6 +1452,8 @@ config CPU_SUPPORTS_ADDRWINCFG
         bool
 config CPU_SUPPORTS_HUGEPAGES
         bool
+config CPU_SUPPORTS_UNCACHED_ACCELERATED
+        bool
 config MIPS_PGD_C0_CONTEXT
         bool
         default y if 64BIT && CPU_MIPSR2