select HAVE_PERF_EVENTS
select PERF_USE_VMALLOC
select HAVE_ARCH_KGDB
+ select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select ARCH_HAVE_CUSTOM_GPIO_H
select HAVE_FUNCTION_TRACER
select CEVT_R4K
select CSRC_R4K
select IRQ_CPU
+ select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_APM_EMULATION
select IRQ_CPU
select ARCH_REQUIRE_GPIOLIB
select SYS_HAS_EARLY_PRINTK
- select HAVE_PWM
select HAVE_CLK
select GENERIC_IRQ_CHIP
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_CPU_MIPS32_R3_5
select SYS_HAS_CPU_MIPS64_R1
select SYS_HAS_CPU_MIPS64_R2
select SYS_HAS_CPU_NEVADA
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MIPS_CMP
+ select SYS_SUPPORTS_MIPS_CPS
select SYS_SUPPORTS_MULTITHREADING
select SYS_SUPPORTS_SMARTMIPS
select SYS_SUPPORTS_ZBOOT
select CEVT_R4K
select CSRC_R4K
select IRQ_CPU
- select ARCH_SUPPORTS_MSI
select ZONE_DMA32 if 64BIT
select SYNC_R4K
select SYS_HAS_EARLY_PRINTK
bool
config CEVT_GIC
+ select MIPS_CM
bool
config CEVT_SB1250
bool
config CSRC_GIC
+ select MIPS_CM
bool
config CSRC_SB1250
bool
config IRQ_GIC
+ select MIPS_CM
bool
config PCI_GT64XXX_PCI0
prompt "CPU type"
default CPU_R4X00
+config CPU_LOONGSON3
+ bool "Loongson 3 CPU"
+ depends on SYS_HAS_CPU_LOONGSON3
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
+ select WEAK_ORDERING
+ select WEAK_REORDERING_BEYOND_LLSC
+ help
+ The Loongson 3 processor implements the MIPS64R2 instruction
+ set with many extensions.
+
config CPU_LOONGSON2E
bool "Loongson 2E"
depends on SYS_HAS_CPU_LOONGSON2E
select CPU_HAS_PREFETCH
select CPU_SUPPORTS_32BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_MSA
select HAVE_KVM
help
Choose this option to build a kernel for release 2 or later of the
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
select CPU_SUPPORTS_HUGEPAGES
+ select CPU_SUPPORTS_MSA
help
Choose this option to build a kernel for release 2 or later of the
MIPS64 architecture. Many modern embedded systems with a 64-bit
select LIBFDT
select USE_OF
select USB_EHCI_BIG_ENDIAN_MMIO
- select SYS_HAS_DMA_OPS
select MIPS_L1_CACHE_SHIFT_7
help
The Cavium Octeon processor is a highly integrated chip containing
Netlogic Microsystems XLP processors.
endchoice
+config CPU_MIPS32_3_5_FEATURES
+ bool "MIPS32 Release 3.5 Features"
+ depends on SYS_HAS_CPU_MIPS32_R3_5
+ depends on CPU_MIPS32_R2
+ help
+ Choose this option to build a kernel for release 2 or later of the
+ MIPS32 architecture including features from the 3.5 release such as
+ support for Enhanced Virtual Addressing (EVA).
+
+config CPU_MIPS32_3_5_EVA
+ bool "Enhanced Virtual Addressing (EVA)"
+ depends on CPU_MIPS32_3_5_FEATURES
+ select EVA
+ default y
+ help
+ Choose this option if you want to enable the Enhanced Virtual
+ Addressing (EVA) on your MIPS32 core (such as proAptiv).
+ One of its primary benefits is an increase in the maximum size
+ of lowmem (up to 3GB). If unsure, say 'N' here.
+
if CPU_LOONGSON2F
config CPU_NOP_WORKAROUNDS
bool
select SYS_SUPPORTS_SMP
select SYS_SUPPORTS_HOTPLUG_CPU
+config SYS_HAS_CPU_LOONGSON3
+ bool
+ select CPU_SUPPORTS_CPUFREQ
+
config SYS_HAS_CPU_LOONGSON2E
bool
config SYS_HAS_CPU_MIPS32_R2
bool
+config SYS_HAS_CPU_MIPS32_R3_5
+ bool
+
config SYS_HAS_CPU_MIPS64_R1
bool
bool
default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
+config EVA
+ bool
+
config SYS_SUPPORTS_32BIT_KERNEL
bool
config SYS_SUPPORTS_64BIT_KERNEL
config PAGE_SIZE_4KB
bool "4kB"
- depends on !CPU_LOONGSON2
+ depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
help
This option select the standard 4kB Linux page size. On some
R3000-family processors this is the only available page size. Using
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select SYNC_R4K
+ select MIPS_GIC_IPI
select MIPS_MT
select SMP
select SMP_UP
bool "Use all TCs on all VPEs for SMP (DEPRECATED)"
depends on CPU_MIPS32_R2
depends on SYS_SUPPORTS_MULTITHREADING
+ depends on !MIPS_CPS
select CPU_MIPSR2_IRQ_VI
select CPU_MIPSR2_IRQ_EI
select MIPS_MT
depends on MIPS_VPE_APSP_API && !MIPS_CMP
config MIPS_CMP
- bool "MIPS CMP support"
- depends on SYS_SUPPORTS_MIPS_CMP && MIPS_MT_SMP
+ bool "MIPS CMP framework support (DEPRECATED)"
+ depends on SYS_SUPPORTS_MIPS_CMP && !MIPS_MT_SMTC
+ select MIPS_GIC_IPI
select SYNC_R4K
select WEAK_ORDERING
default n
help
- Enable Coherency Manager processor (CMP) support.
+ Select this if you are using a bootloader which implements the "CMP
+ framework" protocol (ie. YAMON) and want your kernel to make use of
+ its ability to start secondary CPUs.
+
+ Unless you have a specific need, you should use CONFIG_MIPS_CPS
+ instead of this.
+
+config MIPS_CPS
+ bool "MIPS Coherent Processing System support"
+ depends on SYS_SUPPORTS_MIPS_CPS
+ select MIPS_CM
+ select MIPS_CPC
+ select MIPS_GIC_IPI
+ select SMP
+ select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
+ select SYS_SUPPORTS_SMP
+ select WEAK_ORDERING
+ help
+ Select this if you wish to run an SMP kernel across multiple cores
+ within a MIPS Coherent Processing System. When this option is
+ enabled the kernel will probe for other cores and boot them with
+ no external assistance. It is safe to enable this when hardware
+ support is unavailable.
+
+config MIPS_GIC_IPI
+ bool
+
+config MIPS_CM
+ bool
+
+config MIPS_CPC
+ bool
config SB1_PASS_1_WORKAROUNDS
bool
When this option is enabled the kernel will be built using the
microMIPS ISA
+config CPU_HAS_MSA
+ bool "Support for the MIPS SIMD Architecture"
+ depends on CPU_SUPPORTS_MSA
+ default y
+ help
+ MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
+ and a set of SIMD instructions to operate on them. When this option
+ is enabled the kernel will support allocating & switching MSA
+ vector register contexts. If you know that your kernel will only be
+ running on CPUs which do not support MSA or that your userland will
+ not be making use of it then you may wish to say N here to reduce
+ the size & complexity of your kernel.
+
+ If unsure, say Y.
+
config CPU_HAS_WB
bool
#
config HIGHMEM
bool "High Memory Support"
- depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
+ depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
config CPU_SUPPORTS_HIGHMEM
bool
config SYS_SUPPORTS_MICROMIPS
bool
+config CPU_SUPPORTS_MSA
+ bool
+
config ARCH_FLATMEM_ENABLE
def_bool y
depends on !NUMA && !CPU_LOONGSON2
config SYS_SUPPORTS_MIPS_CMP
bool
+config SYS_SUPPORTS_MIPS_CPS
+ bool
+
config SYS_SUPPORTS_SMP
bool
your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
say Y, otherwise N.
+config HT_PCI
+ bool "Support for HT-linked PCI"
+ default y
+ depends on CPU_LOONGSON3
+ select PCI
+ select PCI_DOMAINS
+ help
+ Loongson family machines use Hyper-Transport bus for inter-core
+ connection and device connection. The PCI bus is a subordinate
+ linked at HT. Choose Y for Loongson-3 based machines.
+
config PCI_DOMAINS
bool