Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[linux-2.6-omap-h63xx.git] / arch / mips / Kconfig

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a5255e7c79e004001a8f55c82e33d964198b403f..e61465a18c7e4b6e66ba35194b1b7ae0eda5ddb7 100644 (file)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -351,7 +351,7 @@ config SGI_IP27
        select ARC64
        select BOOT_ELF64
        select DEFAULT_SGI_PARTITION
-       select DMA_IP27
+       select DMA_COHERENT
        select SYS_HAS_EARLY_PRINTK
        select HW_HAS_PCI
        select NR_CPUS_DEFAULT_64
@@ -595,6 +595,44 @@ config WR_PPMC
          This enables support for the Wind River MIPS32 4KC PPMC evaluation
          board, which is based on GT64120 bridge chip.
 
+config CAVIUM_OCTEON_SIMULATOR
+       bool "Support for the Cavium Networks Octeon Simulator"
+       select CEVT_R4K
+       select 64BIT_PHYS_ADDR
+       select DMA_COHERENT
+       select SYS_SUPPORTS_64BIT_KERNEL
+       select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_HIGHMEM
+       select SYS_HAS_CPU_CAVIUM_OCTEON
+       help
+         The Octeon simulator is software performance model of the Cavium
+         Octeon Processor. It supports simulating Octeon processors on x86
+         hardware.
+
+config CAVIUM_OCTEON_REFERENCE_BOARD
+       bool "Support for the Cavium Networks Octeon reference board"
+       select CEVT_R4K
+       select 64BIT_PHYS_ADDR
+       select DMA_COHERENT
+       select SYS_SUPPORTS_64BIT_KERNEL
+       select SYS_SUPPORTS_BIG_ENDIAN
+       select SYS_SUPPORTS_HIGHMEM
+       select SYS_HAS_EARLY_PRINTK
+       select SYS_HAS_CPU_CAVIUM_OCTEON
+       select SWAP_IO_SPACE
+       help
+         This option supports all of the Octeon reference boards from Cavium
+         Networks. It builds a kernel that dynamically determines the Octeon
+         CPU type and supports all known board reference implementations.
+         Some of the supported boards are:
+               EBT3000
+               EBH3000
+               EBH3100
+               Thunder
+               Kodama
+               Hikari
+         Say Y here for most Octeon reference boards.
+
 endchoice
 
 source "arch/mips/alchemy/Kconfig"
@@ -607,6 +645,7 @@ source "arch/mips/sgi-ip27/Kconfig"
 source "arch/mips/sibyte/Kconfig"
 source "arch/mips/txx9/Kconfig"
 source "arch/mips/vr41xx/Kconfig"
+source "arch/mips/cavium-octeon/Kconfig"
 
 endmenu
 
@@ -682,7 +721,11 @@ config CEVT_DS1287
 config CEVT_GT641XX
        bool
 
+config CEVT_R4K_LIB
+       bool
+
 config CEVT_R4K
+       select CEVT_R4K_LIB
        bool
 
 config CEVT_SB1250
@@ -697,7 +740,11 @@ config CSRC_BCM1480
 config CSRC_IOASIC
        bool
 
+config CSRC_R4K_LIB
+       bool
+
 config CSRC_R4K
+       select CSRC_R4K_LIB
        bool
 
 config CSRC_SB1250
@@ -714,9 +761,6 @@ config CFE
 config DMA_COHERENT
        bool
 
-config DMA_IP27
-       bool
-
 config DMA_NONCOHERENT
        bool
        select DMA_NEED_PCI_MAP_STATE
@@ -835,6 +879,9 @@ config IRQ_GT641XX
 config IRQ_GIC
        bool
 
+config IRQ_CPU_OCTEON
+       bool
+
 config MIPS_BOARDS_GEN
        bool
 
@@ -924,7 +971,7 @@ config BOOT_ELF32
 config MIPS_L1_CACHE_SHIFT
        int
        default "4" if MACH_DECSTATION || MIKROTIK_RB532
-       default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM
+       default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
        default "4" if PMC_MSP4200_EVAL
        default "5"
 
@@ -1185,6 +1232,24 @@ config CPU_SB1
        select CPU_SUPPORTS_HIGHMEM
        select WEAK_ORDERING
 
+config CPU_CAVIUM_OCTEON
+       bool "Cavium Octeon processor"
+       depends on SYS_HAS_CPU_CAVIUM_OCTEON
+       select IRQ_CPU
+       select IRQ_CPU_OCTEON
+       select CPU_HAS_PREFETCH
+       select CPU_SUPPORTS_64BIT_KERNEL
+       select SYS_SUPPORTS_SMP
+       select NR_CPUS_DEFAULT_16
+       select WEAK_ORDERING
+       select WEAK_REORDERING_BEYOND_LLSC
+       select CPU_SUPPORTS_HIGHMEM
+       help
+         The Cavium Octeon processor is a highly integrated chip containing
+         many ethernet hardware widgets for networking tasks. The processor
+         can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
+         Full details can be found at http://www.caviumnetworks.com.
+
 endchoice
 
 config SYS_HAS_CPU_LOONGSON2
@@ -1250,6 +1315,9 @@ config SYS_HAS_CPU_RM9000
 config SYS_HAS_CPU_SB1
        bool
 
+config SYS_HAS_CPU_CAVIUM_OCTEON
+       bool
+
 #
 # CPU may reorder R->R, R->W, W->R, W->W
 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
@@ -1285,7 +1353,7 @@ config CPU_MIPSR1
 
 config CPU_MIPSR2
        bool
-       default y if CPU_MIPS32_R2 || CPU_MIPS64_R2
+       default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
 
 config SYS_SUPPORTS_32BIT_KERNEL
        bool
@@ -1301,7 +1369,7 @@ config CPU_SUPPORTS_64BIT_KERNEL
 #
 config HARDWARE_WATCHPOINTS
        bool
-       default y if CPU_MIPS32 || CPU_MIPS64
+       default y if CPU_MIPSR1 || CPU_MIPSR2
 
 menu "Kernel type"
 
@@ -1323,6 +1391,7 @@ config 32BIT
 config 64BIT
        bool "64-bit kernel"
        depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
+       select HAVE_SYSCALL_WRAPPERS
        help
          Select this option if you want to build a 64-bit kernel.