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Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig146
1 files changed, 95 insertions, 51 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 1924f2d83932..4364f3dba688 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -4,9 +4,10 @@ config MIPS
default y
select ARCH_32BIT_OFF_T if !64BIT
select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
+ select ARCH_HAS_CC_CAN_LINK
select ARCH_HAS_CPU_CACHE_ALIASING
select ARCH_HAS_CPU_FINALIZE_INIT
- select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
+ select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
select ARCH_HAS_DMA_OPS if MACH_JAZZ
select ARCH_HAS_FORTIFY_SOURCE
@@ -38,7 +39,6 @@ config MIPS
select GENERIC_CMOS_UPDATE
select GENERIC_CPU_AUTOPROBE
select GENERIC_GETTIMEOFDAY
- select GENERIC_IOMAP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select GENERIC_ISA_DMA if EISA
@@ -47,6 +47,7 @@ config MIPS
select GENERIC_LIB_CMPDI2
select GENERIC_LIB_LSHRDI3
select GENERIC_LIB_UCMPDI2
+ select GENERIC_PCI_IOMAP
select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
select GENERIC_SMP_IDLE_THREAD
select GENERIC_IDLE_POLL_SETUP
@@ -72,7 +73,6 @@ config MIPS
select HAVE_EBPF_JIT if !CPU_MICROMIPS
select HAVE_EXIT_THREAD
select HAVE_GUP_FAST
- select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select HAVE_GCC_PLUGINS
@@ -100,6 +100,7 @@ config MIPS
select IRQ_FORCED_THREADING
select ISA if EISA
select LOCK_MM_AND_FIND_VMA
+ select MMU_GATHER_RCU_TABLE_FREE
select MODULES_USE_ELF_REL if MODULES
select MODULES_USE_ELF_RELA if MODULES && 64BIT
select PERF_USE_VMALLOC
@@ -390,6 +391,31 @@ config MACH_DECSTATION
otherwise choose R3000.
+config ECONET
+ bool "EcoNet MIPS family"
+ select BOOT_RAW
+ select CPU_BIG_ENDIAN
+ select DEBUG_ZBOOT if DEBUG_KERNEL
+ select EARLY_PRINTK_8250
+ select ECONET_EN751221_TIMER
+ select SERIAL_8250
+ select SERIAL_OF_PLATFORM
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_HAS_CPU_MIPS32_R2
+ select SYS_HAS_EARLY_PRINTK
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_MIPS16
+ select SYS_SUPPORTS_ZBOOT_UART16550
+ select USE_GENERIC_EARLY_PRINTK_8250
+ select USE_OF
+ help
+ EcoNet EN75xx MIPS devices are big endian MIPS machines used
+ in XPON (fiber) and DSL applications. They have SPI, PCI, USB,
+ GPIO, and Ethernet, with optional XPON, DSL, and VoIP DSP cores.
+ Don't confuse these with the Airoha ARM devices sometimes referred
+ to as "EcoNet", this family is for MIPS based devices only.
+
config MACH_JAZZ
bool "Jazz family of machines"
select ARC_MEMORY
@@ -455,6 +481,23 @@ config LANTIQ
config MACH_LOONGSON32
bool "Loongson 32-bit family of machines"
+ select MACH_GENERIC_CORE
+ select USE_OF
+ select BUILTIN_DTB
+ select BOOT_ELF32
+ select CEVT_R4K
+ select CSRC_R4K
+ select COMMON_CLK
+ select DMA_NONCOHERENT
+ select GENERIC_IRQ_SHOW_LEVEL
+ select IRQ_MIPS_CPU
+ select LS1X_IRQ
+ select SYS_HAS_CPU_LOONGSON32
+ select SYS_HAS_EARLY_PRINTK
+ select USE_GENERIC_EARLY_PRINTK_8250
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_ZBOOT
help
This enables support for the Loongson-1 family of machines.
@@ -537,6 +580,7 @@ config MIPS_MALTA
select MIPS_L1_CACHE_SHIFT_6
select MIPS_MSC
select PCI_GT64XXX_PCI0
+ select RTC_MC146818_LIB
select SMP_UP if SMP
select SWAP_IO_SPACE
select SYS_HAS_CPU_MIPS32_R1
@@ -616,6 +660,7 @@ config EYEQ
select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
select USE_OF
+ select HOTPLUG_PARALLEL if HOTPLUG_CPU
help
Select this to build a kernel supporting EyeQ SoC from Mobileye.
@@ -1019,6 +1064,7 @@ source "arch/mips/ath79/Kconfig"
source "arch/mips/bcm47xx/Kconfig"
source "arch/mips/bcm63xx/Kconfig"
source "arch/mips/bmips/Kconfig"
+source "arch/mips/econet/Kconfig"
source "arch/mips/generic/Kconfig"
source "arch/mips/ingenic/Kconfig"
source "arch/mips/jazz/Kconfig"
@@ -1085,7 +1131,6 @@ config CSRC_IOASIC
bool
config CSRC_R4K
- select CLOCKSOURCE_WATCHDOG if CPU_FREQ
bool
config CSRC_SB1250
@@ -1358,25 +1403,19 @@ config CPU_LOONGSON2F
have a similar programming interface with FPGA northbridge used in
Loongson2E.
-config CPU_LOONGSON1B
- bool "Loongson 1B"
- depends on SYS_HAS_CPU_LOONGSON1B
- select CPU_LOONGSON32
- select LEDS_GPIO_REGISTER
- help
- The Loongson 1B is a 32-bit SoC, which implements the MIPS32
- Release 1 instruction set and part of the MIPS32 Release 2
- instruction set.
-
-config CPU_LOONGSON1C
- bool "Loongson 1C"
- depends on SYS_HAS_CPU_LOONGSON1C
- select CPU_LOONGSON32
+config CPU_LOONGSON32
+ bool "Loongson 32-bit CPU"
+ depends on SYS_HAS_CPU_LOONGSON32
+ select CPU_MIPS32
+ select CPU_MIPSR2
+ select CPU_HAS_PREFETCH
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_CPUFREQ
select LEDS_GPIO_REGISTER
help
- The Loongson 1C is a 32-bit SoC, which implements the MIPS32
- Release 1 instruction set and part of the MIPS32 Release 2
- instruction set.
+ The Loongson GS232 microarchitecture implements the MIPS32 Release 1
+ instruction set and part of the MIPS32 Release 2 instruction set.
config CPU_MIPS32_R1
bool "MIPS32 Release 1"
@@ -1809,15 +1848,7 @@ config CPU_LOONGSON2EF
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
select CPU_SUPPORTS_HUGEPAGES
-
-config CPU_LOONGSON32
- bool
- select CPU_MIPS32
- select CPU_MIPSR2
- select CPU_HAS_PREFETCH
- select CPU_SUPPORTS_32BIT_KERNEL
- select CPU_SUPPORTS_HIGHMEM
- select CPU_SUPPORTS_CPUFREQ
+ select RTC_MC146818_LIB
config CPU_BMIPS32_3300
select SMP_UP if SMP
@@ -1856,10 +1887,7 @@ config SYS_HAS_CPU_LOONGSON2F
select CPU_SUPPORTS_CPUFREQ
select CPU_SUPPORTS_ADDRWINCFG if 64BIT
-config SYS_HAS_CPU_LOONGSON1B
- bool
-
-config SYS_HAS_CPU_LOONGSON1C
+config SYS_HAS_CPU_LOONGSON32
bool
config SYS_HAS_CPU_MIPS32_R1
@@ -1996,7 +2024,6 @@ config CPU_MIPSR5
config CPU_MIPSR6
bool
default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
- select ARCH_HAS_CRC32
select CPU_HAS_RIXI
select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
select HAVE_ARCH_BITREVERSE
@@ -2195,7 +2222,7 @@ config MIPS_MT_SMP
select SMP
select SMP_UP
select SYS_SUPPORTS_SMP
- select SYS_SUPPORTS_SCHED_SMT
+ select ARCH_SUPPORTS_SCHED_SMT
select MIPS_PERF_SHARED_TC_COUNTERS
help
This is a kernel model which is known as SMVP. This is supported
@@ -2207,18 +2234,6 @@ config MIPS_MT_SMP
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
@@ -2286,10 +2301,11 @@ config MIPS_CPS
select MIPS_CM
select MIPS_CPS_PM if HOTPLUG_CPU
select SMP
+ select HOTPLUG_SMT if HOTPLUG_PARALLEL
select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
select SYS_SUPPORTS_HOTPLUG_CPU
- select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
+ select ARCH_SUPPORTS_SCHED_SMT if CPU_MIPSR6
select SYS_SUPPORTS_SMP
select WEAK_ORDERING
select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
@@ -2617,6 +2633,7 @@ config RELOCATABLE
CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
CPU_P5600 || CAVIUM_OCTEON_SOC || \
CPU_LOONGSON64
+ select ARCH_VMLINUX_NEEDS_RELOCS
help
This builds a kernel image that retains relocation information
so it can be loaded someplace besides the default 1MB.
@@ -2969,8 +2986,8 @@ choice
prompt "Kernel command line type"
depends on !CMDLINE_OVERRIDE
default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
- !MACH_LOONGSON64 && !MIPS_MALTA && \
- !CAVIUM_OCTEON_SOC
+ !MACH_LOONGSON64 && !MACH_LOONGSON32 && \
+ !MIPS_MALTA && !CAVIUM_OCTEON_SOC
default MIPS_CMDLINE_FROM_BOOTLOADER
config MIPS_CMDLINE_FROM_DTB
@@ -3109,6 +3126,33 @@ config CC_HAS_MNO_BRANCH_LIKELY
config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
def_bool y if CC_IS_CLANG
+config ARCH_CC_CAN_LINK_N32
+ bool
+ default $(cc_can_link_user,-mabi=n32 -EL) if MIPS32_N32 && CPU_LITTLE_ENDIAN
+ default $(cc_can_link_user,-mabi=n32 -EB) if MIPS32_N32 && CPU_BIG_ENDIAN
+
+config ARCH_CC_CAN_LINK_N64
+ bool
+ default $(cc_can_link_user,-mabi=64 -EL) if 64BIT && CPU_LITTLE_ENDIAN
+ default $(cc_can_link_user,-mabi=64 -EB) if 64BIT && CPU_BIG_ENDIAN
+
+config ARCH_CC_CAN_LINK_O32
+ bool
+ default $(cc_can_link_user,-mabi=32 -EL) if (32BIT || MIPS32_O32) && CPU_LITTLE_ENDIAN
+ default $(cc_can_link_user,-mabi=32 -EB) if (32BIT || MIPS32_O32) && CPU_BIG_ENDIAN
+
+config ARCH_CC_CAN_LINK
+ def_bool ARCH_CC_CAN_LINK_N32 || ARCH_CC_CAN_LINK_N64 || ARCH_CC_CAN_LINK_O32
+
+config ARCH_USERFLAGS
+ string
+ default "-mabi=n32 -EL" if ARCH_CC_CAN_LINK_N32 && CPU_LITTLE_ENDIAN
+ default "-mabi=n32 -EB" if ARCH_CC_CAN_LINK_N32 && CPU_BIG_ENDIAN
+ default "-mabi=64 -EL" if ARCH_CC_CAN_LINK_N64 && CPU_LITTLE_ENDIAN
+ default "-mabi=64 -EB" if ARCH_CC_CAN_LINK_N64 && CPU_BIG_ENDIAN
+ default "-mabi=32 -EL" if ARCH_CC_CAN_LINK_O32 && CPU_LITTLE_ENDIAN
+ default "-mabi=32 -EB" if ARCH_CC_CAN_LINK_O32 && CPU_BIG_ENDIAN
+
menu "Power management options"
config ARCH_HIBERNATION_POSSIBLE