Merge tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Paul Burton:

 - Support for the MIPSr6 MemoryMapID register & Global INValidate TLB
   (GINVT) instructions, allowing for more efficient TLB maintenance
   when running on a CPU such as the I6500 that supports these.

 - Enable huge page support for MIPS64r6.

 - Optimize post-DMA cache sync by removing that code entirely for
   kernel configurations in which we know it won't be needed.

 - The number of pages allocated for interrupt stacks is now calculated
   correctly, where before we would wastefully allocate too much memory
   in some configurations.

 - The ath79 platform migrates to devicetree.

 - The bcm47xx platform sees fixes for the Buffalo WHR-G54S board.

 - The ingenic/jz4740 platform gains support for appended devicetrees.

 - The cavium_octeon, lantiq, loongson32 & sgi-ip27 platforms all see
   cleanups as do various pieces of core architecture code.

* tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (66 commits)
  MIPS: lantiq: Remove separate GPHY Firmware loader
  MIPS: ingenic: Add support for appended devicetree
  MIPS: SGI-IP27: rework HUB interrupts
  MIPS: SGI-IP27: do boot CPU init later
  MIPS: SGI-IP27: do xtalk scanning later
  MIPS: SGI-IP27: use pr_info/pr_emerg and pr_cont to fix output
  MIPS: SGI-IP27: clean up bridge access and header files
  MIPS: SGI-IP27: get rid of volatile and hubreg_t
  MIPS: irq: Allocate accurate order pages for irq stack
  MIPS: dma-noncoherent: Remove bogus condition in dma_sync_phys()
  MIPS: eBPF: Remove REG_32BIT_ZERO_EX
  MIPS: eBPF: Always return sign extended 32b values
  MIPS: CM: Fix indentation
  MIPS: BCM47XX: Fix/improve Buffalo WHR-G54S support
  MIPS: OCTEON: program rx/tx-delay always from DT
  MIPS: OCTEON: delete board-specific link status
  MIPS: OCTEON: don't lie about interface type of CN3005 board
  MIPS: OCTEON: warn if deprecated link status is being used
  MIPS: OCTEON: add fixed-link nodes to in-kernel device tree
  MIPS: Delete unused flush_cache_sigtramp()
  ...

114 files changed, 1607 insertions, 4335 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a84c24d894aa..9036ef9ec74a 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -206,7 +206,6 @@ config ATH79
 	select COMMON_CLK
 	select CLKDEV_LOOKUP
 	select IRQ_MIPS_CPU
-	select MIPS_MACHINE
 	select SYS_HAS_CPU_MIPS32_R2
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_32BIT_KERNEL
@@ -391,7 +390,7 @@ config MACH_INGENIC
 	select GPIOLIB
 	select COMMON_CLK
 	select GENERIC_IRQ_CHIP
-	select BUILTIN_DTB
+	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
 	select USE_OF
 	select LIBFDT
 
@@ -676,6 +675,7 @@ config SGI_IP27
 	select DEFAULT_SGI_PARTITION
 	select SYS_HAS_EARLY_PRINTK
 	select HAVE_PCI
+	select IRQ_MIPS_CPU
 	select NR_CPUS_DEFAULT_64
 	select SYS_HAS_CPU_R10000
 	select SYS_SUPPORTS_64BIT_KERNEL
@@ -1124,7 +1124,6 @@ config DMA_NONCOHERENT
 	bool
 	select ARCH_HAS_DMA_MMAP_PGPROT
 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
-	select ARCH_HAS_SYNC_DMA_FOR_CPU
 	select NEED_DMA_MAP_STATE
 	select ARCH_HAS_DMA_COHERENT_TO_PFN
 	select DMA_NONCOHERENT_CACHE_SYNC
@@ -1556,6 +1555,7 @@ config CPU_MIPS64_R6
 	select CPU_SUPPORTS_32BIT_KERNEL
 	select CPU_SUPPORTS_64BIT_KERNEL
 	select CPU_SUPPORTS_HIGHMEM
+	select CPU_SUPPORTS_HUGEPAGES
 	select CPU_SUPPORTS_MSA
 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
 	select HAVE_KVM
@@ -1881,7 +1881,7 @@ config CPU_LOONGSON2
 config CPU_LOONGSON1
 	bool
 	select CPU_MIPS32
-	select CPU_MIPSR1
+	select CPU_MIPSR2
 	select CPU_HAS_PREFETCH
 	select CPU_HAS_LOAD_STORE_LR
 	select CPU_SUPPORTS_32BIT_KERNEL
@@ -1943,9 +1943,11 @@ config SYS_HAS_CPU_MIPS32_R3_5
 
 config SYS_HAS_CPU_MIPS32_R5
 	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
 
 config SYS_HAS_CPU_MIPS32_R6
 	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
 
 config SYS_HAS_CPU_MIPS64_R1
 	bool
@@ -1955,6 +1957,7 @@ config SYS_HAS_CPU_MIPS64_R2
 
 config SYS_HAS_CPU_MIPS64_R6
 	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
 
 config SYS_HAS_CPU_R3000
 	bool
@@ -1991,6 +1994,7 @@ config SYS_HAS_CPU_R8000
 
 config SYS_HAS_CPU_R10000
 	bool
+	select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
 
 config SYS_HAS_CPU_RM7000
 	bool
@@ -2019,6 +2023,7 @@ config SYS_HAS_CPU_BMIPS4380
 config SYS_HAS_CPU_BMIPS5000
 	bool
 	select SYS_HAS_CPU_BMIPS
+	select ARCH_HAS_SYNC_DMA_FOR_CPU
 
 config SYS_HAS_CPU_XLR
 	bool
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 5b174c3d0de3..8f4486c4415b 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -233,6 +233,8 @@ toolchain-crc				:= $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mcrc)
 cflags-$(toolchain-crc)			+= -DTOOLCHAIN_SUPPORTS_CRC
 toolchain-dsp				:= $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mdsp)
 cflags-$(toolchain-dsp)			+= -DTOOLCHAIN_SUPPORTS_DSP
+toolchain-ginv				:= $(call cc-option-yn,$(mips-cflags) -Wa$(comma)-mginv)
+cflags-$(toolchain-ginv)		+= -DTOOLCHAIN_SUPPORTS_GINV
 
 #
 # Firmware support
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 191c3910eac5..7367416642cb 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -1,79 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 if ATH79
 
-menu "Atheros AR71XX/AR724X/AR913X machine selection"
-
-config ATH79_MACH_AP121
-	bool "Atheros AP121 reference board"
-	select SOC_AR933X
-	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
-	select ATH79_DEV_USB
-	select ATH79_DEV_WMAC
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Atheros AP121 reference board.
-
-config ATH79_MACH_AP136
-	bool "Atheros AP136 reference board"
-	select SOC_QCA955X
-	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
-	select ATH79_DEV_USB
-	select ATH79_DEV_WMAC
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Atheros AP136 reference board.
-
-config ATH79_MACH_AP81
-	bool "Atheros AP81 reference board"
-	select SOC_AR913X
-	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
-	select ATH79_DEV_USB
-	select ATH79_DEV_WMAC
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Atheros AP81 reference board.
-
-config ATH79_MACH_DB120
-	bool "Atheros DB120 reference board"
-	select SOC_AR934X
-	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
-	select ATH79_DEV_USB
-	select ATH79_DEV_WMAC
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Atheros DB120 reference board.
-
-config ATH79_MACH_PB44
-	bool "Atheros PB44 reference board"
-	select SOC_AR71XX
-	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
-	select ATH79_DEV_USB
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Atheros PB44 reference board.
-
-config ATH79_MACH_UBNT_XM
-	bool "Ubiquiti Networks XM (rev 1.0) board"
-	select SOC_AR724X
-	select ATH79_DEV_GPIO_BUTTONS
-	select ATH79_DEV_LEDS_GPIO
-	select ATH79_DEV_SPI
-	help
-	  Say 'Y' here if you want your kernel to support the
-	  Ubiquiti Networks XM (rev 1.0) board.
-
-endmenu
-
 config SOC_AR71XX
 	select HAVE_PCI
 	def_bool n
diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index fcc382cfc770..e18d9a2ecf62 100644
--- a/