select SYS_SUPPORTS_LITTLE_ENDIAN
select SSB
select SSB_DRIVER_MIPS
+ select SSB_DRIVER_EXTIF
+ select SSB_PCICORE_HOSTMODE if PCI
select GENERIC_GPIO
select SYS_HAS_EARLY_PRINTK
select CFE
select BOOT_ELF32
select CEVT_R4K
select CSRC_R4K
+ select CPU_DADDI_WORKAROUNDS if 64BIT
+ select CPU_R4000_WORKAROUNDS if 64BIT
+ select CPU_R4400_WORKAROUNDS if 64BIT
select DMA_NONCOHERENT
select NO_IOPORT
select IRQ_CPU
select ARCH_MAY_HAVE_PC_FDC
select CEVT_R4K
select CSRC_R4K
+ select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
select GENERIC_ISA_DMA
select IRQ_CPU
select I8253
select I8259
select ISA
- select PCSPEAKER
select SYS_HAS_CPU_R4X00
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
select I8259
select IRQ_CPU
select ISA
- select PCSPEAKER
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_EARLY_PRINTK
select BOOT_ELF32
select CEVT_R4K
select CSRC_R4K
+ select DEFAULT_SGI_PARTITION
select DMA_NONCOHERENT
select HW_HAS_EISA
select I8253
select IP22_CPU_SCACHE
select IRQ_CPU
select GENERIC_ISA_DMA_SUPPORT_BROKEN
+ select SGI_HAS_DS1286
+ select SGI_HAS_I8042
+ select SGI_HAS_INDYDOG
+ select SGI_HAS_SEEQ
+ select SGI_HAS_WD93
+ select SGI_HAS_ZILOG
select SWAP_IO_SPACE
select SYS_HAS_CPU_R4X00
select SYS_HAS_CPU_R5000
select ARC
select ARC64
select BOOT_ELF64
+ select DEFAULT_SGI_PARTITION
select DMA_IP27
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
workstations. To compile a Linux kernel that runs on these, say Y
here.
+config SGI_IP28
+ bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ select ARC
+ select ARC64
+ select BOOT_ELF64
+ select CEVT_R4K
+ select CSRC_R4K
+ select DEFAULT_SGI_PARTITION
+ select DMA_NONCOHERENT
+ select GENERIC_ISA_DMA_SUPPORT_BROKEN
+ select IRQ_CPU
+ select HW_HAS_EISA
+ select I8253
+ select I8259
+ select SGI_HAS_DS1286
+ select SGI_HAS_I8042
+ select SGI_HAS_INDYDOG
+ select SGI_HAS_SEEQ
+ select SGI_HAS_WD93
+ select SGI_HAS_ZILOG
+ select SWAP_IO_SPACE
+ select SYS_HAS_CPU_R10000
+ select SYS_HAS_EARLY_PRINTK
+ select SYS_SUPPORTS_64BIT_KERNEL
+ select SYS_SUPPORTS_BIG_ENDIAN
+ help
+ This is the SGI Indigo2 with R10000 processor. To compile a Linux
+ kernel that runs on these, say Y here.
+
config SGI_IP32
bool "SGI IP32 (O2)"
select ARC
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
-config SIBYTE_PTSWARM
- bool "Sibyte BCM91250PT-PTSWARM"
- depends on EXPERIMENTAL
- select BOOT_ELF32
- select DMA_COHERENT
- select NR_CPUS_DEFAULT_2
- select SIBYTE_SB1250
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_SB1
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_HIGHMEM
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
config SIBYTE_BIGSUR
bool "Sibyte BCM91480B-BigSur"
select BOOT_ELF32
bool "SNI RM200/300/400"
select ARC if CPU_LITTLE_ENDIAN
select ARC32 if CPU_LITTLE_ENDIAN
+ select SNIPROM if CPU_BIG_ENDIAN
select ARCH_MAY_HAVE_PC_FDC
select BOOT_ELF32
select CEVT_R4K
select CSRC_R4K
+ select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
select HW_HAS_EISA
select I8253
select I8259
select ISA
- select PCSPEAKER
select SWAP_IO_SPACE if CPU_BIG_ENDIAN
select SYS_HAS_CPU_R4X00
select SYS_HAS_CPU_R5000
bool
default n
+config ARCH_SUPPORTS_OPROFILE
+ bool
+ default y if !MIPS_MT_SMTC
+
config GENERIC_FIND_NEXT_BIT
bool
default y
config DMA_IP27
bool
-config DMA_IP32
- bool
- select DMA_NEED_PCI_MAP_STATE
-
config DMA_NONCOHERENT
bool
select DMA_NEED_PCI_MAP_STATE
config SERIAL_RM9000
bool
+config SGI_HAS_DS1286
+ bool
+
+config SGI_HAS_INDYDOG
+ bool
+
+config SGI_HAS_SEEQ
+ bool
+
+config SGI_HAS_WD93
+ bool
+
+config SGI_HAS_ZILOG
+ bool
+
+config SGI_HAS_I8042
+ bool
+
+config DEFAULT_SGI_PARTITION
+ bool
+
config ARC32
bool
+config SNIPROM
+ bool
+
config BOOT_ELF32
bool
config MIPS_L1_CACHE_SHIFT
int
default "4" if MACH_DECSTATION
- default "7" if SGI_IP27 || SNI_RM
+ default "7" if SGI_IP27 || SGI_IP28 || SNI_RM
default "4" if PMC_MSP4200_EVAL
default "5"
config ARC_CONSOLE
bool "ARC console support"
- depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN)
+ depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
config ARC_MEMORY
bool
config ARC_PROMLIB
bool
- depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32
+ depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
default y
config ARC64
menu "CPU selection"
-source "kernel/time/Kconfig"
-
choice
prompt "CPU type"
default CPU_R4X00
select MIPS_MT
select NR_CPUS_DEFAULT_2
select SMP
+ select SYS_SUPPORTS_SCHED_SMT if SMP
select SYS_SUPPORTS_SMP
+ select SMP_UP
help
This is a kernel model which is also known a VSMP or lately
has been marketesed into SMVP.
select NR_CPUS_DEFAULT_8
select SMP
select SYS_SUPPORTS_SMP
+ select SMP_UP
help
This is a kernel model which is known a SMTC or lately has been
marketesed into SMVP.
config MIPS_MT
bool
+config SCHED_SMT
+ bool "SMT (multithreading) scheduler support"
+ depends on SYS_SUPPORTS_SCHED_SMT
+ default n
+ help
+ SMT scheduler support improves the CPU scheduler's decision making
+ when dealing with MIPS MT enabled cores at a cost of slightly
+ increased overhead in some places. If unsure say N here.
+
+config SYS_SUPPORTS_SCHED_SMT
+ bool
+
+
config SYS_SUPPORTS_MULTITHREADING
bool
config CPU_HAS_WB
bool
-config 64BIT_CONTEXT
- bool "Save 64bit integer registers"
- depends on 32BIT && CPU_LOONGSON2
- help
- Loongson2 CPU is 64bit , when used in 32BIT mode, its integer
- registers can still be accessed as 64bit, mainly for multimedia
- instructions. We must have all 64bit save/restored to make sure
- those instructions to get correct result.
-
#
# Vectored interrupt mode is an R2 feature
#
config GENERIC_CLOCKEVENTS_BROADCAST
bool
+#
+# CPU non-features
+#
+config CPU_DADDI_WORKAROUNDS
+ bool
+
+config CPU_R4000_WORKAROUNDS
+ bool
+ select CPU_R4400_WORKAROUNDS
+
+config CPU_R4400_WORKAROUNDS
+ bool
+
#
# Use the generic interrupt handling code in kernel/irq/:
#
If you don't know what to do here, say N.
+config SMP_UP
+ bool
+
config SYS_SUPPORTS_SMP
bool
performance should round up your number of processors to the next
power of two.
+source "kernel/time/Kconfig"
+
#
# Timer Interrupt Frequency Configuration
#
config I8253
bool
-config PCSPEAKER
- bool
-
config ZONE_DMA32
bool