Adding upstream version 6.9.7.upstream/6.9.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 102 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 797ae590eb..516dc7022b 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -4,6 +4,7 @@ config MIPS
 	default y
 	select ARCH_32BIT_OFF_T if !64BIT
 	select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
+	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_DEBUG_VIRTUAL if !64BIT
@@ -14,7 +15,7 @@ config MIPS
 	select ARCH_HAS_STRNCPY_FROM_USER
 	select ARCH_HAS_STRNLEN_USER
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
-	select ARCH_HAS_UBSAN_SANITIZE_ALL
+	select ARCH_HAS_UBSAN
 	select ARCH_HAS_GCOV_PROFILE_ALL
 	select ARCH_KEEP_MEMBLOCK
 	select ARCH_USE_BUILTIN_BSWAP
@@ -81,6 +82,9 @@ config MIPS
 	select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
 	select HAVE_MOD_ARCH_SPECIFIC
 	select HAVE_NMI
+	select HAVE_PAGE_SIZE_4KB if !CPU_LOONGSON2EF && !CPU_LOONGSON64
+	select HAVE_PAGE_SIZE_16KB if !CPU_R3000
+	select HAVE_PAGE_SIZE_64KB if !CPU_R3000
 	select HAVE_PERF_EVENTS
 	select HAVE_PERF_REGS
 	select HAVE_PERF_USER_STACK_DUMP
@@ -109,6 +113,9 @@ config MIPS_FIXUP_BIGPHYS_ADDR
 config MIPS_GENERIC
 	bool
 
+config MACH_GENERIC_CORE
+	bool
+
 config MACH_INGENIC
 	bool
 	select SYS_SUPPORTS_32BIT_KERNEL
@@ -145,6 +152,7 @@ config MIPS_GENERIC_KERNEL
 	select DMA_NONCOHERENT
 	select HAVE_PCI
 	select IRQ_MIPS_CPU
+	select MACH_GENERIC_CORE
 	select MIPS_AUTO_PFN_OFFSET
 	select MIPS_CPU_SCACHE
 	select MIPS_GIC
@@ -413,6 +421,7 @@ config MACH_INGENIC_SOC
 	bool "Ingenic SoC based machines"
 	select MIPS_GENERIC
 	select MACH_INGENIC
+	select MACH_GENERIC_CORE
 	select SYS_SUPPORTS_ZBOOT_UART16550
 	select CPU_SUPPORTS_CPUFREQ
 	select MIPS_EXTERNAL_TIMER
@@ -566,6 +575,50 @@ config MACH_PIC32
 	  Microchip PIC32 is a family of general-purpose 32 bit MIPS core
 	  microcontrollers.
 
+config MACH_EYEQ5
+	bool "Mobileye EyeQ5 SoC"
+	select MACH_GENERIC_CORE
+	select ARM_AMBA
+	select PHYSICAL_START_BOOL
+	select ARCH_SPARSEMEM_DEFAULT if 64BIT
+	select BOOT_RAW
+	select BUILTIN_DTB
+	select CEVT_R4K
+	select CLKSRC_MIPS_GIC
+	select COMMON_CLK
+	select CPU_MIPSR2_IRQ_EI
+	select CPU_MIPSR2_IRQ_VI
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select HAVE_PCI
+	select IRQ_MIPS_CPU
+	select MIPS_AUTO_PFN_OFFSET
+	select MIPS_CPU_SCACHE
+	select MIPS_GIC
+	select MIPS_L1_CACHE_SHIFT_7
+	select PCI_DRIVERS_GENERIC
+	select SMP_UP if SMP
+	select SWAP_IO_SPACE
+	select SYS_HAS_CPU_MIPS64_R6
+	select SYS_SUPPORTS_64BIT_KERNEL
+	select SYS_SUPPORTS_HIGHMEM
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MIPS_CPS
+	select SYS_SUPPORTS_RELOCATABLE
+	select SYS_SUPPORTS_ZBOOT
+	select UHI_BOOT
+	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
+	select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
+	select USE_OF
+	help
+	  Select this to build a kernel supporting EyeQ5 SoC from Mobileye.
+
+	bool
+
 config MACH_NINTENDO64
 	bool "Nintendo 64 console"
 	select CEVT_R4K
@@ -599,6 +652,7 @@ config RALINK
 config MACH_REALTEK_RTL
 	bool "Realtek RTL838x/RTL839x based machines"
 	select MIPS_GENERIC
+	select MACH_GENERIC_CORE
 	select DMA_NONCOHERENT
 	select IRQ_MIPS_CPU
 	select CSRC_R4K
@@ -948,6 +1002,15 @@ config CAVIUM_OCTEON_SOC
 
 endchoice
 
+config FIT_IMAGE_FDT_EPM5
+	bool "Include FDT for Mobileye EyeQ5 development platforms"
+	depends on MACH_EYEQ5
+	default n
+	help
+	  Enable this to include the FDT for the EyeQ5 development platforms
+	  from Mobileye in the FIT kernel image.
+	  This requires u-boot on the platform.
+
 source "arch/mips/alchemy/Kconfig"
 source "arch/mips/ath25/Kconfig"
 source "arch/mips/ath79/Kconfig"
@@ -1250,6 +1313,7 @@ config CPU_LOONGSON64
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_HUGEPAGES
 	select CPU_SUPPORTS_MSA
+	select CPU_SUPPORTS_VZ
 	select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
 	select CPU_MIPSR2_IRQ_VI
 	select DMA_NONCOHERENT
@@ -1261,7 +1325,6 @@ config CPU_LOONGSON64
 	select MIPS_FP_SUPPORT
 	select GPIOLIB
 	select SWIOTLB
-	select HAVE_KVM
 	help
 	  The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
 	  cores implements the MIPS64R2 instruction set with many extensions,
@@ -1269,44 +1332,6 @@ config CPU_LOONGSON64
 	  3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
 	  Loongson-2E/2F is not covered here and will be removed in future.
 
-config LOONGSON3_ENHANCEMENT
-	bool "New Loongson-3 CPU Enhancements"
-	default n
-	depends on CPU_LOONGSON64
-	help
-	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
-	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
-	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
-	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
-	  Fast TLB refill support, etc.
-
-	  This option enable those enhancements which are not probed at run
-	  time. If you want a generic kernel to run on all Loongson 3 machines,
-	  please say 'N' here. If you want a high-performance kernel to run on
-	  new Loongson-3 machines only, please say 'Y' here.
-
-config CPU_LOONGSON3_WORKAROUNDS
-	bool "Loongson-3 LLSC Workarounds"
-	default y if SMP
-	depends on CPU_LOONGSON64
-	help
-	  Loongson-3 processors have the llsc issues which require workarounds.
-	  Without workarounds the system may hang unexpectedly.
-
-	  Say Y, unless you know what you are doing.
-
-config CPU_LOONGSON3_CPUCFG_EMULATION
-	bool "Emulate the CPUCFG instruction on older Loongson cores"
-	default y
-	depends on CPU_LOONGSON64
-	help
-	  Loongson-3A R4 and newer have the CPUCFG instruction available for
-	  userland to query CPU capabilities, much like CPUID on x86. This
-	  option provides emulation of the instruction on older Loongson
-	  cores, back to Loongson-3A1000.
-
-	  If unsure, please say Y.
-
 config CPU_LOONGSON2E
 	bool "Loongson 2E"
 	depends on SYS_HAS_CPU_LOONGSON2E
@@ -1374,7 +1399,6 @@ config CPU_MIPS32_R2
 	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
 	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
@@ -1389,7 +1413,7 @@ config CPU_MIPS32_R5
 	select CPU_SUPPORTS_32BIT_KERNEL
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
-	select HAVE_KVM
+	select CPU_SUPPORTS_VZ
 	select MIPS_O32_FP64_SUPPORT
 	help
 	  Choose this option to build a kernel for release 5 or later of the
@@ -1405,7 +1429,7 @@ config CPU_MIPS32_R6
 	select CPU_SUPPORTS_32BIT_KERNEL
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
-	select HAVE_KVM
+	select CPU_SUPPORTS_VZ
 	select MIPS_O32_FP64_SUPPORT
 	help
 	  Choose this option to build a kernel for release 6 or later of the
@@ -1441,7 +1465,6 @@ config CPU_MIPS64_R2
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_HUGEPAGES
 	select CPU_SUPPORTS_MSA
-	select HAVE_KVM
 	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
@@ -1459,7 +1482,7 @@ config CPU_MIPS64_R5
 	select CPU_SUPPORTS_HUGEPAGES
 	select CPU_SUPPORTS_MSA
 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
-	select HAVE_KVM
+	select CPU_SUPPORTS_VZ
 	help
 	  Choose this option to build a kernel for release 5 or later of the
 	  MIPS64 architecture.  This is a intermediate MIPS architecture
@@ -1477,7 +1500,7 @@ config CPU_MIPS64_R6
 	select CPU_SUPPORTS_HUGEPAGES
 	select CPU_SUPPORTS_MSA
 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
-	select HAVE_KVM
+	select CPU_SUPPORTS_VZ
 	help
 	  Choose this option to build a kernel for release 6 or later of the
 	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
@@ -1492,9 +1515,9 @@ config CPU_P5600
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
 	select CPU_SUPPORTS_CPUFREQ
+	select CPU_SUPPORTS_VZ
 	select CPU_MIPSR2_IRQ_VI
 	select CPU_MIPSR2_IRQ_EI
-	select HAVE_KVM
 	select MIPS_O32_FP64_SUPPORT
 	help
 	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
@@ -1608,13 +1631,15 @@ config CPU_CAVIUM_OCTEON
 	depends on SYS_HAS_CPU_CAVIUM_OCTEON
 	select CPU_HAS_PREFETCH
 	select CPU_SUPPORTS_64BIT_KERNEL
+	select HAVE_PAGE_SIZE_8KB if !MIPS_VA_BITS_48
+	select HAVE_PAGE_SIZE_32KB if !MIPS_VA_BITS_48
 	select WEAK_ORDERING
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_HUGEPAGES
 	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
 	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
 	select MIPS_L1_CACHE_SHIFT_7
-	select HAVE_KVM
+	select CPU_SUPPORTS_VZ
 	help
 	  The Cavium Octeon processor is a highly integrated chip containing
 	  many ethernet hardware widgets for networking tasks. The processor
@@ -1644,6 +1669,44 @@ config CPU_BMIPS
 
 endchoice
 
+config LOONGSON3_ENHANCEMENT
+	bool "New Loongson-3 CPU Enhancements"
+	default n
+	depends on CPU_LOONGSON64
+	help
+	  New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
+	  R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
+	  FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
+	  Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
+	  Fast TLB refill support, etc.
+
+	  This option enable those enhancements which are not probed at run
+	  time. If you want a generic kernel to run on all Loongson 3 machines,
+	  please say 'N' here. If you want a high-performance kernel to run on
+	  new Loongson-3 machines only, please say 'Y' here.
+
+config CPU_LOONGSON3_WORKAROUNDS
+	bool "Loongson-3 LLSC Workarounds"
+	default y if SMP
+	depends on CPU_LOONGSON64
+	help
+	  Loongson-3 processors have the llsc issues which require workarounds.
+	  Without workarounds the system may hang unexpectedly.
+
+	  Say Y, unless you know what you are doing.
+
+config CPU_LOONGSON3_CPUCFG_EMULATION
+	bool "Emulate the CPUCFG instruction on older Loongson cores"
+	default y
+	depends on CPU_LOONGSON64
+	help
+	  Loongson-3A R4 and newer have the CPUCFG instruction available for
+	  userland to query CPU capabilities, much like CPUID on x86. This
+	  option provides emulation of the instruction on older Loongson
+	  cores, back to Loongson-3A1000.
+
+	  If unsure, please say Y.
+
 config CPU_MIPS32_3_5_FEATURES
 	bool "MIPS32 Release 3.5 Features"
 	depends on SYS_HAS_CPU_MIPS32_R3_5
@@ -1969,6 +2032,8 @@ config CPU_SUPPORTS_ADDRWINCFG
 config CPU_SUPPORTS_HUGEPAGES
 	bool
 	depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
+config CPU_SUPPORTS_VZ
+	bool
 config MIPS_PGD_C0_CONTEXT
 	bool
 	depends on 64BIT
@@ -2029,59 +2094,6 @@ config ZBOOT_LOAD_ADDRESS
 
 	  This is only used if non-zero.
 
-choice
-	prompt "Kernel page size"
-	default PAGE_SIZE_4KB
-
-config PAGE_SIZE_4KB
-	bool "4kB"
-	depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
-	help
-	  This option select the standard 4kB Linux page size.  On some
-	  R3000-family processors this is the only available page size.  Using
-	  4kB page size will minimize memory consumption and is therefore
-	  recommended for low memory systems.
-
-config PAGE_SIZE_8KB
-	bool "8kB"
-	depends on CPU_CAVIUM_OCTEON
-	depends on !MIPS_VA_BITS_48
-	help
-	  Using 8kB page size will result in higher performance kernel at
-	  the price of higher memory consumption.  This option is available
-	  only on cnMIPS processors.  Note that you will need a suitable Linux
-	  distribution to support this.
-
-config PAGE_SIZE_16KB
-	bool "16kB"
-	depends on !CPU_R3000
-	help
-	  Using 16kB page size will result in higher performance kernel at
-	  the price of higher memory consumption.  This option is available on
-	  all non-R3000 family processors.  Note that you will need a suitable
-	  Linux distribution to support this.
-
-config PAGE_SIZE_32KB
-	bool "32kB"
-	depends on CPU_CAVIUM_OCTEON
-	depends on !MIPS_VA_BITS_48
-	help
-	  Using 32kB page size will result in higher performance kernel at
-	  the price of higher memory consumption.  This option is available
-	  only on cnMIPS cores.  Note that you will need a suitable Linux
-	  distribution to support this.
-
-config PAGE_SIZE_64KB
-	bool "64kB"
-	depends on !CPU_R3000
-	help
-	  Using 64kB page size will result in higher performance kernel at
-	  the price of higher memory consumption.  This option is available on
-	  all non-R3000 family processor.  Not that at the time of this
-	  writing this option is still high experimental.
-
-endchoice
-
 config ARCH_FORCE_MAX_ORDER
 	int "Maximum zone order"
 	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
@@ -2171,7 +2183,8 @@ config CPU_R4K_CACHE_TLB
 config MIPS_MT_SMP
 	bool "MIPS MT SMP support (1 TC on each available VPE)"
 	default y
-	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
+	depends on TARGET_ISA_REV > 0 && TARGET_ISA_REV < 6
+	depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MICROMIPS
 	select CPU_MIPSR2_IRQ_VI
 	select CPU_MIPSR2_IRQ_EI
 	select SYNC_R4K