[MIPS] Nevada support for SGI O2.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c3e852e9953e12824cc0d401bc9a2796fd44894e..767de847b4abd3ac15c703e929a3e68ee4d34007 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -595,6 +595,7 @@ config SGI_IP32
        select SYS_HAS_CPU_R5000
        select SYS_HAS_CPU_R10000 if BROKEN
        select SYS_HAS_CPU_RM7000
+       select SYS_HAS_CPU_NEVADA
        select SYS_SUPPORTS_64BIT_KERNEL
        select SYS_SUPPORTS_BIG_ENDIAN
        help

diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index 967e7acd8e1f5e4efbf79b5ad3cd334ff3c980a5..a34db6e82b27c07cd123bba3a86b11882f281f18 100644 (file)
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -102,6 +102,7 @@ CONFIG_CPU_R5000=y
 # CONFIG_CPU_RM9000 is not set
 # CONFIG_CPU_SB1 is not set
 CONFIG_SYS_HAS_CPU_R5000=y
+CONFIG_SYS_HAS_CPU_NEVADA=y
 CONFIG_SYS_HAS_CPU_RM7000=y
 CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
 CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y

diff --git a/include/asm-mips/mach-ip32/cpu-feature-overrides.h b/include/asm-mips/mach-ip32/cpu-feature-overrides.h
index b80c30725cf66578d0e30b22b407242cac41e908..36070b5654abadb0593337139a8d5761d879ce2d 100644 (file)
--- a/include/asm-mips/mach-ip32/cpu-feature-overrides.h
+++ b/include/asm-mips/mach-ip32/cpu-feature-overrides.h
@@ -18,7 +18,7 @@
  * so, for 64bit IP32 kernel we just don't use ll/sc.
  * This does not affect luserland.
  */
-#if defined(CONFIG_CPU_R5000) && defined(CONFIG_64BIT)
+#if (defined(CONFIG_CPU_R5000) || defined(CONFIG_CPU_NEVADA)) && defined(CONFIG_64BIT)
 #define cpu_has_llsc           0
 #else
 #define cpu_has_llsc           1