diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 12:07:54 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 12:07:54 -0800 |
commit | 8312f41f08edc641aa927d31fb71319694ae9c42 (patch) | |
tree | e21de0f34fa104acc35b87e6191fa3a5fe40d8eb /arch | |
parent | 66fc6a6254c7a138aef7806bd933c218e1aefcfc (diff) | |
parent | ad4fddef5f2345aa9214e979febe2f47639c10d9 (diff) |
Merge tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- enable GCOV
- rework setup of protection map
- add support for more MSCC platforms
- add sysfs boardinfo for Loongson64
- enable KASLR for Loogson64
- add reset controller for BCM63xx
- cleanups and fixes
* tag 'mips_5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (70 commits)
mips: fix Section mismatch in reference
MAINTAINERS: Add linux-mips mailing list to JZ47xx entries
MAINTAINERS: Remove JZ4780 DMA driver entry
MAINTAINERS: chenhc@lemote.com -> chenhuacai@kernel.org
MIPS: Octeon: irq: Alloc desc before configuring IRQ
MIPS: mm: Add back define for PAGE_SHARED
MIPS: Select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL to enable sysfs memblock debug
mips: lib: uncached: fix non-standard usage of variable 'sp'
MIPS: DTS: img: Fix schema warnings for pwm-leds
MIPS: KASLR: Avoid endless loop in sync_icache if synci_step is zero
MIPS: Move memblock_dump_all() to the end of setup_arch()
MIPS: SMP-CPS: Add support for irq migration when CPU offline
MIPS: OCTEON: Don't add kernel sections into memblock allocator
MIPS: Don't round up kernel sections size for memblock_add()
MIPS: Enable GCOV
MIPS: configs: drop unused BACKLIGHT_GENERIC option
MIPS: Loongson64: Fix up reserving kernel memory range
MIPS: mm: Remove unused is_aligned_hugepage_range
MIPS: No need to check CPU 0 in {loongson3,bmips,octeon}_cpu_disable()
mips: cdmm: fix use-after-free in mips_cdmm_bus_discover
...
Diffstat (limited to 'arch')
78 files changed, 1988 insertions, 242 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 8d50bc1561f2..0a17bedf4f0d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -9,6 +9,8 @@ config MIPS select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UBSAN_SANITIZE_ALL + select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL select ARCH_SUPPORTS_UPROBES select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if 64BIT @@ -248,6 +250,7 @@ config ATH79 config BMIPS_GENERIC bool "Broadcom Generic BMIPS kernel" + select ARCH_HAS_RESET_CONTROLLER select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL select ARCH_HAS_PHYS_TO_DMA select BOOT_RAW @@ -486,6 +489,7 @@ config MACH_LOONGSON64 select SYS_SUPPORTS_HIGHMEM select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_ZBOOT + select SYS_SUPPORTS_RELOCATABLE select ZONE_DMA32 select NUMA select SMP @@ -2484,6 +2488,7 @@ config MIPS_CPS select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 select SYS_SUPPORTS_SMP select WEAK_ORDERING + select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU help Select this if you wish to run an SMP kernel across multiple cores within a MIPS Coherent Processing System. When this option is @@ -2644,7 +2649,7 @@ config WAR_R4600_V1_INDEX_ICACHEOP # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, # Hit_Invalidate_D and Create_Dirty_Excl_D should only be # executed if there is no other dcache activity. If the dcache is -# accessed for another instruction immeidately preceding when these +# accessed for another instruction immediately preceding when these # cache instructions are executing, it is possible that the dcache # tag match outputs used by these cache instructions will be # incorrect. These cache instructions should be preceded by at least @@ -2777,7 +2782,8 @@ config RELOCATABLE depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ - CPU_P5600 || CAVIUM_OCTEON_SOC + CPU_P5600 || CAVIUM_OCTEON_SOC || \ + CPU_LOONGSON64 help This builds a kernel image that retains relocation information so it can be loaded someplace besides the default 1MB. @@ -2788,6 +2794,7 @@ config RELOCATION_TABLE_SIZE hex "Relocation table size" depends on RELOCATABLE range 0x0 0x01000000 + default "0x00200000" if CPU_LOONGSON64 default "0x00100000" help A table of relocation data will be appended to the kernel binary @@ -3086,7 +3093,7 @@ config MIPS_O32_FP64_SUPPORT Although binutils currently supports use of this flag the details concerning its effect upon the O32 ABI in userland are still being - worked on. In order to avoid userland becoming dependant upon current + worked on. In order to avoid userland becoming dependent upon current behaviour before the details have been finalised, this option should be considered experimental and only enabled by those working upon said details. @@ -3124,7 +3131,7 @@ choice objcopy --update-section .appended_dtb=<filename>.dtb vmlinux - This is meant as a backward compatiblity convenience for those + This is meant as a backward compatibility convenience for those systems with a bootloader that can't be upgraded to accommodate the documented boot protocol using a device tree. diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 0d0f29d662c9..cd4343edeb11 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -347,6 +347,7 @@ bootz-y += vmlinuz.srec ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) bootz-y += uzImage.bin endif +bootz-y += vmlinuz.itb # # Some machines like the Indy need 32-bit ELF binaries for booting purposes. @@ -378,7 +379,7 @@ ifdef CONFIG_SYS_SUPPORTS_ZBOOT # boot/compressed $(bootz-y): $(vmlinux-32) FORCE $(Q)$(MAKE) $(build)=arch/mips/boot/compressed \ - $(bootvars-y) 32bit-bfd=$(32bit-bfd) $@ + $(bootvars-y) 32bit-bfd=$(32bit-bfd) arch/mips/boot/$@ else vmlinuz: FORCE @echo ' CONFIG_SYS_SUPPORTS_ZBOOT is not enabled' diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c index 8b006addd6ba..ae0e01b9438f 100644 --- a/arch/mips/ar7/gpio.c +++ b/arch/mips/ar7/gpio.c @@ -319,6 +319,7 @@ int __init ar7_gpio_init(void) if (ret) { printk(KERN_ERR "%s: failed to add gpiochip\n", gpch->chip.label); + iounmap(gpch->regs); return ret; } printk(KERN_INFO "%s: registered %d GPIOs\n", diff --git a/arch/mips/bcm47xx/Kconfig b/arch/mips/bcm47xx/Kconfig index 6889f74e06f5..13d315ee676b 100644 --- a/arch/mips/bcm47xx/Kconfig +++ b/arch/mips/bcm47xx/Kconfig @@ -9,6 +9,7 @@ config BCM47XX_SSB select SSB_DRIVER_MIPS select SSB_DRIVER_EXTIF select SSB_EMBEDDED + select SSB_PCIHOST if PCI select SSB_B43_PCI_BRIDGE if PCI select SSB_DRIVER_PCICORE if PCI select SSB_PCICORE_HOSTMODE if PCI @@ -27,6 +28,7 @@ config BCM47XX_BCMA select BCMA select BCMA_HOST_SOC select BCMA_DRIVER_MIPS + select BCMA_DRIVER_PCI if PCI select BCMA_DRIVER_PCI_HOSTMODE if PCI select BCMA_DRIVER_GPIO default y diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore index 2adc8581a175..1c7adddf2e60 100644 --- a/arch/mips/boot/.gitignore +++ b/arch/mips/boot/.gitignore @@ -2,6 +2,7 @@ mkboot elf2ecoff vmlinux.* +vmlinuz.* zImage zImage.tmp calc_vmlinuz_load_addr diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index d66511825fe1..47cd9dc7454a 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -36,6 +36,7 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n +GCOV_PROFILE := n # decompressor objects (linked with vmlinuz) vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o @@ -65,7 +66,9 @@ $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE targets := $(notdir $(vmlinuzobjs-y)) targets += vmlinux.bin + OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S + $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE $(call if_changed,objcopy) @@ -78,12 +81,15 @@ tool_$(CONFIG_KERNEL_XZ) = xzkern tool_$(CONFIG_KERNEL_ZSTD) = zstd22 targets += vmlinux.bin.z + $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE $(call if_changed,$(tool_y)) targets += piggy.o dummy.o + OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ --set-section-flags=.image=contents,alloc,load,readonly,data + $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE $(call if_changed,objcopy) @@ -102,14 +108,21 @@ UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) vmlinuzobjs-y += $(obj)/piggy.o +targets += ../../../../vmlinuz + quiet_cmd_zld = LD $@ cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ -quiet_cmd_strip = STRIP $@ +quiet_cmd_strip = STRIP $@ cmd_strip = $(STRIP) -s $@ -vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr + +$(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr $(call cmd,zld) $(call cmd,strip) +objboot := $(objtree)/arch/mips/boot + +$(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE + # # Some DECstations need all possible sections of an ECOFF executable # @@ -121,34 +134,90 @@ endif hostprogs += ../elf2ecoff ifdef CONFIG_32BIT - VMLINUZ = vmlinuz + VMLINUZ = $(objtree)/vmlinuz else - VMLINUZ = vmlinuz.32 + VMLINUZ = $(objboot)/vmlinuz.32 endif +targets += ../vmlinuz.32 + quiet_cmd_32 = OBJCOPY $@ cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ -vmlinuz.32: vmlinuz + +$(objboot)/vmlinuz.32: $(objtree)/vmlinuz $(call cmd,32) +targets += ../vmlinuz.ecoff + quiet_cmd_ecoff = ECOFF $@ cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) -vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) + +$(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff $(VMLINUZ) $(call cmd,ecoff) +targets += ../vmlinuz.bin + OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary -vmlinuz.bin: vmlinuz + +$(objboot)/vmlinuz.bin: $(objtree)/vmlinuz $(call cmd,objcopy) +targets += ../vmlinuz.srec + OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec -vmlinuz.srec: vmlinuz + +$(objboot)/vmlinuz.srec: $(objtree)/vmlinuz $(call cmd,objcopy) -uzImage.bin: vmlinuz.bin FORCE +targets += ../uzImage.bin + +$(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin FORCE $(call if_changed,uimage,none) -clean-files += $(objtree)/vmlinuz -clean-files += $(objtree)/vmlinuz.32 -clean-files += $(objtree)/vmlinuz.ecoff -clean-files += $(objtree)/vmlinuz.bin -clean-files += $(objtree)/vmlinuz.srec +# +# Flattened Image Tree (.itb) image +# + +ifeq ($(ADDR_BITS),32) +itb_addr_cells = 1 +endif +ifeq ($(ADDR_BITS),64) +itb_addr_cells = 2 +endif + +targets += ../vmlinuz.its.S + +quiet_cmd_its_cat = CAT $@ + cmd_its_cat = cat $(real-prereqs) >$@ + +$(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE + $(call if_changed,its_cat) + +targets += ../vmlinuz.its + +quiet_cmd_cpp_its_S = ITS $@ + cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \ + -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \ + -DVMLINUX_BINARY="\"$(2)\"" \ + -DVMLINUX_COMPRESSION="\"none\"" \ + -DVMLINUX_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ + -DVMLINUX_ENTRY_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ + -DADDR_BITS=$(ADDR_BITS) \ + -DADDR_CELLS=$(itb_addr_cells) + +$(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its.S FORCE + $(call if_changed,cpp_its_S,vmlinuz.bin) + +targets += ../vmlinuz.itb + +quiet_cmd_itb-image = ITB $@ + cmd_itb-image = \ + env PATH="$(objtree)/scripts/dtc:$(PATH)" \ + $(BASH) $(MKIMAGE) \ + -D "-I dts -O dtb -p 500 \ + --include $(objtree)/arch/mips \ + --warning no-unit_address_vs_reg" \ + -f $(2) $@ + +$(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE + $(call if_changed,itb-image,$<) diff --git a/arch/mips/boot/compressed/ld.script b/arch/mips/boot/compressed/ld.script index 2ed08fbef8e7..0ebb667274d6 100644 --- a/arch/mips/boot/compressed/ld.script +++ b/arch/mips/boot/compressed/ld.script @@ -31,9 +31,12 @@ SECTIONS CONSTRUCTORS . = ALIGN(16); } - __appended_dtb = .; - /* leave space for appended DTB */ - . += 0x100000; + + .appended_dtb : { + __appended_dtb = .; + /* leave space for appended DTB */ + . += 0x100000; + } _edata = .; /* End of data section */ diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile index 19027129add8..0259238d7a2e 100644 --- a/arch/mips/boot/dts/Makefile +++ b/arch/mips/boot/dts/Makefile @@ -6,7 +6,7 @@ subdir-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += img subdir-$(CONFIG_MACH_INGENIC) += ingenic subdir-$(CONFIG_LANTIQ) += lantiq subdir-$(CONFIG_MACH_LOONGSON64) += loongson -subdir-$(CONFIG_MSCC_OCELOT) += mscc +subdir-$(CONFIG_SOC_VCOREIII) += mscc subdir-$(CONFIG_MIPS_MALTA) += mti subdir-$(CONFIG_LEGACY_BOARD_SEAD3) += mti subdir-$(CONFIG_NLM_XLP_BOARD) += netlogic diff --git a/arch/mips/boot/dts/brcm/bcm63268.dtsi b/arch/mips/boot/dts/brcm/bcm63268.dtsi index 5acb49b61867..e0021ff9f144 100644 --- a/arch/mips/boot/dts/brcm/bcm63268.dtsi +++ b/arch/mips/boot/dts/brcm/bcm63268.dtsi @@ -70,6 +70,12 @@ mask = <0x1>; }; + periph_rst: reset-controller@10000010 { + compatible = "brcm,bcm6345-reset"; + reg = <0x10000010 0x4>; + #reset-cells = <1>; + }; + periph_intc: interrupt-controller@10000020 { compatible = "brcm,bcm6345-l1-intc"; reg = <0x10000020 0x20>, diff --git a/arch/mips/boot/dts/brcm/bcm6328.dtsi b/arch/mips/boot/dts/brcm/bcm6328.dtsi index 1f9edd710392..9dc558763c46 100644 --- a/arch/mips/boot/dts/brcm/bcm6328.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6328.dtsi @@ -57,6 +57,12 @@ #clock-cells = <1>; }; + periph_rst: reset-controller@10000010 { + compatible = "brcm,bcm6345-reset"; + reg = <0x10000010 0x4>; + #reset-cells = <1>; + }; + periph_intc: interrupt-controller@10000020 { compatible = "brcm,bcm6345-l1-intc"; reg = <0x10000020 0x10>, diff --git a/arch/mips/boot/dts/brcm/bcm6358.dtsi b/arch/mips/boot/dts/brcm/bcm6358.dtsi index f21176cac038..9d93e7f5e6fc 100644 --- a/arch/mips/boot/dts/brcm/bcm6358.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6358.dtsi @@ -82,6 +82,12 @@ interrupts = <2>, <3>; }; + periph_rst: reset-controller@fffe0034 { + compatible = "brcm,bcm6345-reset"; + reg = <0xfffe0034 0x4>; + #reset-cells = <1>; + }; + leds0: led-controller@fffe00d0 { #address-cells = <1>; #size-cells = <0>; diff --git a/arch/mips/boot/dts/brcm/bcm6362.dtsi b/arch/mips/boot/dts/brcm/bcm6362.dtsi index c98f9111e3c8..eb10341b75ba 100644 --- a/arch/mips/boot/dts/brcm/bcm6362.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6362.dtsi @@ -70,6 +70,12 @@ mask = <0x1>; }; + periph_rst: reset-controller@10000010 { + compatible = "brcm,bcm6345-reset"; + reg = <0x10000010 0x4>; + #reset-cells = <1>; + }; + periph_intc: interrupt-controller@10000020 { compatible = "brcm,bcm6345-l1-intc"; reg = <0x10000020 0x10>, diff --git a/arch/mips/boot/dts/brcm/bcm6368.dtsi b/arch/mips/boot/dts/brcm/bcm6368.dtsi index 449c167dd892..52c19f40b9cc 100644 --- a/arch/mips/boot/dts/brcm/bcm6368.dtsi +++ b/arch/mips/boot/dts/brcm/bcm6368.dtsi @@ -70,6 +70,12 @@ mask = <0x1>; }; |