diff options
69 files changed, 294 insertions, 585 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 64607a0cf39b..4a7164afdb3d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3971,6 +3971,7 @@ M: William Zhang <william.zhang@broadcom.com> M: Anand Gore <anand.gore@broadcom.com> M: Kursad Oney <kursad.oney@broadcom.com> M: Florian Fainelli <f.fainelli@gmail.com> +M: Rafał Miłecki <rafal@milecki.pl> R: Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 87badeae3181..22dc1d6936bc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -28,7 +28,6 @@ config ARM select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_KEEP_MEMBLOCK select ARCH_MIGHT_HAVE_PC_PARPORT - select ARCH_NO_SG_CHAIN if !ARM_HAS_SG_CHAIN select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if CPU_V7 select ARCH_SUPPORTS_ATOMIC_RMW @@ -42,6 +41,7 @@ config ARM select ARCH_WANT_LD_ORPHAN_WARN select BINFMT_FLAT_ARGVP_ENVP_ON_STACK select BUILDTIME_TABLE_SORT if MMU + select COMMON_CLK if !(ARCH_RPC || ARCH_FOOTBRIDGE) select CLONE_BACKWARDS select CPU_PM if SUSPEND || CPU_IDLE select DCACHE_WORD_ACCESS if HAVE_EFFICIENT_UNALIGNED_ACCESS @@ -110,6 +110,7 @@ config ARM select HAVE_MOD_ARCH_SPECIFIC select HAVE_NMI select HAVE_OPTPROBES if !THUMB2_KERNEL + select HAVE_PCI if MMU select HAVE_PERF_EVENTS select HAVE_PERF_REGS select HAVE_PERF_USER_STACK_DUMP @@ -126,13 +127,17 @@ config ARM select OF_EARLY_FLATTREE if OF select OLD_SIGACTION select OLD_SIGSUSPEND3 + select PCI_DOMAINS_GENERIC if PCI select PCI_SYSCALL if PCI select PERF_USE_VMALLOC select RTC_LIB + select SPARSE_IRQ if !(ARCH_FOOTBRIDGE || ARCH_RPC) select SYS_SUPPORTS_APM_EMULATION select THREAD_INFO_IN_TASK + select TIMER_OF if OF select HAVE_ARCH_VMAP_STACK if MMU && ARM_HAS_GROUP_RELOCS select TRACE_IRQFLAGS_SUPPORT if !CPU_V7M + select USE_OF if !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) # Above selects are sorted alphabetically; please add new ones # according to that. Thanks. help @@ -154,12 +159,8 @@ config ARM_HAS_GROUP_RELOCS which is usually sufficient, but not for allyesconfig, so we disable this feature when doing compile testing. -config ARM_HAS_SG_CHAIN - bool - config ARM_DMA_USE_IOMMU bool - select ARM_HAS_SG_CHAIN select NEED_SG_DMA_LENGTH if ARM_DMA_USE_IOMMU @@ -245,7 +246,7 @@ config ARCH_MTD_XIP config ARM_PATCH_PHYS_VIRT bool "Patch physical to virtual translations at runtime" if EMBEDDED default y - depends on !XIP_KERNEL && MMU + depends on MMU help Patch phys-to-virt and virt-to-phys translation functions at boot and module load time according to the position of the @@ -274,7 +275,7 @@ config NEED_MACH_MEMORY_H config PHYS_OFFSET hex "Physical address of main memory" if MMU - depends on !ARM_PATCH_PHYS_VIRT + depends on !ARM_PATCH_PHYS_VIRT || !AUTO_ZRELADDR default DRAM_BASE if !MMU default 0x00000000 if ARCH_FOOTBRIDGE default 0x10000000 if ARCH_OMAP1 || ARCH_RPC @@ -307,13 +308,8 @@ config MMU config ARM_SINGLE_ARMV7M def_bool !MMU select ARM_NVIC - select AUTO_ZRELADDR - select TIMER_OF - select COMMON_CLK select CPU_V7M select NO_IOPORT_MAP - select SPARSE_IRQ - select USE_OF config ARCH_MMAP_RND_BITS_MIN default 8 @@ -323,94 +319,31 @@ config ARCH_MMAP_RND_BITS_MAX default 15 if PAGE_OFFSET=0x80000000 default 16 -# -# The "ARM system type" choice list is ordered alphabetically by option -# text. Please add new entries in the option alphabetic order. -# -choice - prompt "ARM system type" - depends on MMU - default ARCH_MULTIPLATFORM - config ARCH_MULTIPLATFORM - bool "Allow multiple platforms to be selected" - select ARCH_FLATMEM_ENABLE - select ARCH_SPARSEMEM_ENABLE - select ARCH_SELECT_MEMORY_MODEL - select ARM_HAS_SG_CHAIN - select ARM_PATCH_PHYS_VIRT - select AUTO_ZRELADDR - select TIMER_OF - select COMMON_CLK - select HAVE_PCI - select PCI_DOMAINS_GENERIC if PCI - select SPARSE_IRQ - select USE_OF - -config ARCH_FOOTBRIDGE - bool "FootBridge" - depends on CPU_LITTLE_ENDIAN - depends on ATAGS - select CPU_SA110 - select FOOTBRIDGE - select NEED_MACH_MEMORY_H - help - Support for systems based on the DC21285 companion chip - ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. - -config ARCH_RPC - bool "RiscPC" - depends on !CC_IS_CLANG && GCC_VERSION < 90100 && GCC_VERSION >= 60000 - depends on CPU_LITTLE_ENDIAN - depends on ATAGS - select ARCH_ACORN - select ARCH_MAY_HAVE_PC_FDC - select ARCH_SPARSEMEM_ENABLE - select ARM_HAS_SG_CHAIN - select CPU_SA110 - select FIQ - select HAVE_PATA_PLATFORM - select ISA_DMA_API - select LEGACY_TIMER_TICK - select NEED_MACH_IO_H - select NEED_MACH_MEMORY_H - select NO_IOPORT_MAP + bool "Require kernel to be portable to multiple machines" if EXPERT + depends on MMU && !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) + default y help - On the Acorn Risc-PC, Linux can support the internal IDE disk and - CD-ROM interface, serial and parallel port, and the floppy drive. + In general, all Arm machines can be supported in a single + kernel image, covering either Armv4/v5 or Armv6/v7. -config ARCH_SA1100 - bool "SA1100-based" - depends on CPU_LITTLE_ENDIAN - depends on ATAGS - select ARCH_MTD_XIP - select ARCH_SPARSEMEM_ENABLE - select CLKSRC_MMIO - select CLKSRC_PXA - select TIMER_OF if OF - select COMMON_CLK - select CPU_FREQ - select CPU_SA1100 - select GPIOLIB - select IRQ_DOMAIN - select ISA - select NEED_MACH_MEMORY_H - select SPARSE_IRQ - help - Support for StrongARM 11x0 based boards. + However, some configuration options require hardcoding machine + specific physical addresses or enable errata workarounds that may + break other machines. -endchoice + Selecting N here allows using those options, including + DEBUG_UNCOMPRESS, XIP_KERNEL and ZBOOT_ROM. If unsure, say Y. -menu "Multiple platform selection" - depends on ARCH_MULTIPLATFORM +menu "Platform selection" + depends on MMU comment "CPU Core family selection" config ARCH_MULTI_V4 - bool "ARMv4 based platforms (FA526)" + bool "ARMv4 based platforms (FA526, StrongARM)" depends on !ARCH_MULTI_V6_V7 select ARCH_MULTI_V4_V5 - select CPU_FA526 + select CPU_FA526 if !(CPU_SA110 || CPU_SA1100) config ARCH_MULTI_V4T bool "ARMv4T based platforms (ARM720T, ARM920T, ...)" @@ -472,7 +405,6 @@ config ARCH_AIROHA select ARM_GIC_V3 select ARM_PSCI select HAVE_ARM_ARCH_TIMER - select COMMON_CLK help Support for Airoha EN7523 SoCs @@ -573,6 +505,8 @@ source "arch/arm/mach-rda/Kconfig" source "arch/arm/mach-realtek/Kconfig" +source "arch/arm/mach-rpc/Kconfig" + source "arch/arm/mach-rockchip/Kconfig" source "arch/arm/mach-s3c/Kconfig" @@ -638,7 +572,6 @@ config ARCH_ACORN config PLAT_ORION bool select CLKSRC_MMIO - select COMMON_CLK select GENERIC_IRQ_CHIP select IRQ_DOMAIN @@ -989,11 +922,6 @@ config ISA (MCA) or VESA. ISA is an older system, now being displaced by PCI; newer boards don't support it. If you have ISA, say Y, otherwise N. -# Select ISA DMA controller support -config ISA_DMA - bool - select ISA_DMA_API - # Select ISA DMA interface config ISA_DMA_API bool @@ -1054,7 +982,7 @@ config SMP config SMP_ON_UP bool "Allow booting SMP kernel on uniprocessor systems" - depends on SMP && !XIP_KERNEL && MMU + depends on SMP && MMU default y help SMP kernels contain instructions which fail on non-SMP processors. @@ -1303,7 +1231,7 @@ config THUMB2_KERNEL config ARM_PATCH_IDIV bool "Runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()" - depends on CPU_32v7 && !XIP_KERNEL + depends on CPU_32v7 default y help The ARM compiler inserts calls to __aeabi_idiv() and @@ -1358,13 +1286,13 @@ config OABI_COMPAT at all). If in doubt say N. config ARCH_SELECT_MEMORY_MODEL - bool + def_bool y config ARCH_FLATMEM_ENABLE - bool + def_bool !(ARCH_RPC || ARCH_SA1100) config ARCH_SPARSEMEM_ENABLE - bool + def_bool !ARCH_FOOTBRIDGE select SPARSEMEM_STATIC if SPARSEMEM config HIGHMEM @@ -1671,7 +1599,6 @@ config CMDLINE choice prompt "Kernel command line type" if CMDLINE != "" default CMDLINE_FROM_BOOTLOADER - depends on ATAGS config CMDLINE_FROM_BOOTLOADER bool "Use bootloader kernel arguments if available" @@ -1698,6 +1625,7 @@ endchoice config XIP_KERNEL bool "Kernel Execute-In-Place from ROM" depends on !ARM_LPAE && !ARCH_MULTIPLATFORM + depends on !ARM_PATCH_IDIV && !ARM_PATCH_PHYS_VIRT && !SMP_ON_UP help Execute-In-Place allows the kernel to run from non-volatile storage directly addressable by the CPU, such as NOR flash. This saves RAM @@ -1772,7 +1700,8 @@ config CRASH_DUMP For more details see Documentation/admin-guide/kdump/kdump.rst config AUTO_ZRELADDR - bool "Auto calculation of the decompressed kernel image address" + bool "Auto calculation of the decompressed kernel image address" if !ARCH_MULTIPLATFORM + default !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) help ZRELADDR is the physical address where the decompressed kernel image will be placed. If AUTO_ZRELADDR is selected, the address diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 792796a348c3..c345775f035b 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -1904,7 +1904,8 @@ config DEBUG_UART_8250_PALMCHIP config DEBUG_UNCOMPRESS bool "Enable decompressor debugging via DEBUG_LL output" - depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M + depends on !ARCH_MULTIPLATFORM + depends on !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ !DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING @@ -1921,9 +1922,8 @@ config DEBUG_UNCOMPRESS config UNCOMPRESS_INCLUDE string - default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \ - PLAT_SAMSUNG || ARM_SINGLE_ARMV7M - default "mach/uncompress.h" + default "mach/uncompress.h" if ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100 + default "debug/uncompress.h" config EARLY_PRINTK bool "Early printk" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 44b240d6ed30..0e04bc6b2ad3 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -227,40 +227,24 @@ machine-$(CONFIG_ARCH_ZYNQ) += zynq machine-$(CONFIG_PLAT_VERSATILE) += versatile machine-$(CONFIG_PLAT_SPEAR) += spear -# Platform directory name. This list is sorted alphanumerically -# by CONFIG_* macro name. -plat-$(CONFIG_PLAT_ORION) += orion +# legacy platforms provide their own mach/*.h headers globally, +# these three are mutually exclusive +machdirs-$(CONFIG_ARCH_FOOTBRIDGE) += arch/arm/mach-footbridge +machdirs-$(CONFIG_ARCH_RPC) += arch/arm/mach-rpc +machdirs-$(CONFIG_ARCH_SA1100) += arch/arm/mach-sa1100 +KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%/include,$(machdirs-y)) # The byte offset of the kernel image in RAM from the start of RAM. TEXT_OFFSET := $(textofs-y) -# The first directory contains additional information for the boot setup code -ifneq ($(machine-y),) -MACHINE := arch/arm/mach-$(word 1,$(machine-y))/ -else -MACHINE := -endif -ifeq ($(CONFIG_ARCH_MULTIPLATFORM),y) -MACHINE := -endif - -machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) -platdirs := $(patsubst %,arch/arm/plat-%/,$(sort $(plat-y))) - -ifneq ($(CONFIG_ARCH_MULTIPLATFORM),y) -ifneq ($(CONFIG_ARM_SINGLE_ARMV7M),y) -KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs)) -endif -endif - export TEXT_OFFSET GZFLAGS MMUEXT # If we have a machine-specific directory, then include it in the build. -core-y += $(machdirs) $(platdirs) - +core-y += $(patsubst %,arch/arm/mach-%/,$(machine-y)) # For cleaning -core- += $(patsubst %,arch/arm/mach-%/, $(machine-)) -core- += $(patsubst %,arch/arm/plat-%/, $(plat-)) +core- += $(patsubst %,arch/arm/mach-%/,$(machine-)) + +core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/ libs-y := arch/arm/lib/ $(libs-y) @@ -313,7 +297,7 @@ bootpImage uImage: zImage zImage: Image $(BOOT_TARGETS): vmlinux - $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ + $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ @$(kecho) ' Kernel: $(boot)/$@ is ready' $(INSTALL_TARGETS): KBUILD_IMAGE = $(boot)/$(patsubst %install,%Image,$@) @@ -327,7 +311,7 @@ ifeq ($(CONFIG_VDSO),y) endif # My testing targets (bypasses dependencies) -bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage +bp:; $(Q)$(MAKE) $(build)=$(boot) $(boot)/bootpImage define archhelp diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 54a09f9464fb..abd6a2889fd0 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -10,22 +10,16 @@ # # Copyright (C) 1995-2002 Russell King # - OBJCOPYFLAGS :=-O binary -R .comment -S -ifneq ($(MACHINE),) -include $(MACHINE)/Makefile.boot -endif - -# Note: the following conditions must always be true: # ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET) -# PARAMS_PHYS must be within 4MB of ZRELADDR -# INITRD_PHYS must be in RAM -ZRELADDR := $(zreladdr-y) -PARAMS_PHYS := $(params_phys-y) -INITRD_PHYS := $(initrd_phys-y) +ifdef CONFIG_PHYS_OFFSET +add_hex = $(shell printf 0x%x $$(( $(1) + $(2) )) ) +ZRELADDR := $(call add_hex, $(CONFIG_PHYS_OFFSET), $(TEXT_OFFSET)) +endif -export ZRELADDR INITRD_PHYS PARAMS_PHYS +PHYS_OFFSET := $(CONFIG_PHYS_OFFSET) +export ZRELADDR PARAMS_PHYS PHYS_OFFSET targets := Image zImage xipImage bootpImage uImage @@ -90,17 +84,10 @@ $(obj)/uImage: $(obj)/zImage FORCE @$(check_for_multiple_loadaddr) $(call if_changed,uimage) -$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE +$(obj)/bootp/bootp: $(obj)/zImage FORCE $(Q)$(MAKE) $(build)=$(obj)/bootp $@ $(obj)/bootpImage: $(obj)/bootp/bootp FORCE $(call if_changed,objcopy) -PHONY += initrd -initrd: - @test "$(INITRD_PHYS)" != "" || \ - (echo This machine does not support INITRD; exit -1) - @test "$(INITRD)" != "" || \ - (echo You must specify INITRD; exit -1) - subdir- := bootp compressed dts diff --git a/arch/arm/boot/bootp/Makefile b/arch/arm/boot/bootp/Makefile index 981a8d03f064..a2934e6fd89a 100644 --- a/arch/arm/boot/bootp/Makefile +++ b/arch/arm/boot/bootp/Makefile @@ -5,9 +5,40 @@ # This file is included by the global makefile so that you can add your own # architecture-specific flags and dependencies. # - GCOV_PROFILE := n +ifdef PHYS_OFFSET +add_hex = $(shell printf 0x%x $$(( $(1) + $(2) )) ) + +# If PHYS_OFFSET is set, INITRD_PHYS and PARAMS_PHYS can be derived, +# otherwise they must be passed on the command line. +# +# Note: the following conditions must always be true: +# PARAMS_PHYS must be within 4MB of ZRELADDR +# INITRD_PHYS must be in RAM + +PARAMS_PHYS := $(call add_hex, $(PHYS_OFFSET), 0x100) + +# guess an initrd location if possible +initrd_offset-$(CONFIG_ARCH_FOOTBRIDGE) += 0x00800000 +initrd_offset-$(CONFIG_ARCH_SA1100) += 0x00800000 +initrd_offset-$(CONFIG_ARCH_RPC) += 0x08000000 +INITRD_OFFSET := $(initrd_offset-y) +ifdef INITRD_OFFSET +INITRD_PHYS := $(call add_hex, $(PHYS_OFFSET), $(INITRD_OFFSET)) +endif + +endif + +PHONY += initrd +initrd: + @test "$(PARAMS_PHYS)" != "" || \ + (echo bootpImage: You must specify PHYS_OFFSET of PARAMS_PHYS ; exit -1) + @test "$(INITRD_PHYS)" != "" || \ + (echo bootpImage: You must specify INITRD_OFFSET or INITRD_PHYS ; exit -1) + @test "$(INITRD)" != "" || \ + (echo bootpImage: You must specify INITRD; exit -1) + LDFLAGS_bootp := --no-undefined -X \ --defsym initrd_phys=$(INITRD_PHYS) \ --defsym params_phys=$(PARAMS_PHYS) -T @@ -24,6 +55,6 @@ $(obj)/bootp: $(src)/bootp.lds $(addprefix $(obj)/,init.o kernel.o initrd.o) FOR $(obj)/kernel.o: arch/arm/boot/zImage FORCE -$(obj)/initrd.o: $(INITRD) FORCE +$(obj)/initrd.o: initrd $(INITRD) FORCE PHONY += $(INITRD) diff --git a/arch/arm/configs/assabet_defconfig b/arch/arm/configs/assabet_defconfig index 801383e4135d..8ba8eb7a4adf 100644 --- a/arch/arm/configs/assabet_defconfig +++ b/arch/arm/configs/assabet_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_ASSABET=y CONFIG_CMDLINE="mem=32M console=ttySA0,38400n8 initrd=0xc0800000,3M root=/dev/ram" diff --git a/arch/arm/configs/badge4_defconfig b/arch/arm/configs/badge4_defconfig index 6908032fbce8..337e5c9718ae 100644 --- a/arch/arm/configs/badge4_defconfig +++ b/arch/arm/configs/badge4_defconfig @@ -1,5 +1,7 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_EXPERT=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_BADGE4=y CONFIG_UNUSED_BOARD_FILES=y diff --git a/arch/arm/configs/cerfcube_defconfig b/arch/arm/configs/cerfcube_defconfig index 7e6f7dfa3023..9ada868e2648 100644 --- a/arch/arm/configs/cerfcube_defconfig +++ b/arch/arm/configs/cerfcube_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_LOG_BUF_SHIFT=14 +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_CERF=y CONFIG_SA1100_CERF_FLASH_16MB=y diff --git a/arch/arm/configs/collie_defconfig b/arch/arm/configs/collie_defconfig index d35cc59ce847..2a2d2cb3ce2e 100644 --- a/arch/arm/configs/collie_defconfig +++ b/arch/arm/configs/collie_defconfig @@ -5,6 +5,8 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y # CONFIG_BASE_FULL is not set # CONFIG_EPOLL is not set +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_COLLIE=y CONFIG_CMDLINE="noinitrd root=/dev/mtdblock2 rootfstype=jffs2 fbcon=rotate:1" diff --git a/arch/arm/configs/footbridge_defconfig b/arch/arm/configs/footbridge_defconfig index b5b56f8dda5f..87c489337d0e 100644 --- a/arch/arm/configs/footbridge_defconfig +++ b/arch/arm/configs/footbridge_defconfig @@ -4,6 +4,8 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y # CONFIG_HOTPLUG is not set +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_FOOTBRIDGE=y CONFIG_ARCH_EBSA285_HOST=y CONFIG_ARCH_NETWINDER=y diff --git a/arch/arm/configs/h3600_defconfig b/arch/arm/configs/h3600_defconfig index 5bd1ec539610..4e272875c797 100644 --- a/arch/arm/configs/h3600_defconfig +++ b/arch/arm/configs/h3600_defconfig @@ -4,6 +4,8 @@ CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_H3600=y # CONFIG_CPU_FREQ_STAT is not set diff --git a/arch/arm/configs/hackkit_defconfig b/arch/arm/configs/hackkit_defconfig index 398558c4ffa8..3c91a851fd08 100644 --- a/arch/arm/configs/hackkit_defconfig +++ b/arch/arm/configs/hackkit_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_HACKKIT=y CONFIG_UNUSED_BOARD_FILES=y diff --git a/arch/arm/configs/jornada720_defconfig b/arch/arm/configs/jornada720_defconfig index 1a11ee6b3e24..ae1d68da4f2a 100644 --- a/arch/arm/configs/jornada720_defconfig +++ b/arch/arm/configs/jornada720_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_JORNADA720=y CONFIG_SA1100_JORNADA720_SSP=y diff --git a/arch/arm/configs/lart_defconfig b/arch/arm/configs/lart_defconfig index 00583d64d2ea..916177d07a39 100644 --- a/arch/arm/configs/lart_defconfig +++ b/arch/arm/configs/lart_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_LART=y CONFIG_UNUSED_BOARD_FILES=y diff --git a/arch/arm/configs/neponset_defconfig b/arch/arm/configs/neponset_defconfig index 2d16ddb0e7ff..c333406ce5e3 100644 --- a/arch/arm/configs/neponset_defconfig +++ b/arch/arm/configs/neponset_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_ASSABET=y CONFIG_ASSABET_NEPONSET=y diff --git a/arch/arm/configs/netwinder_defconfig b/arch/arm/configs/netwinder_defconfig index 7a14ea1faa65..30ff6fbce5a3 100644 --- a/arch/arm/configs/netwinder_defconfig +++ b/arch/arm/configs/netwinder_defconfig @@ -1,5 +1,7 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_FOOTBRIDGE=y CONFIG_ARCH_NETWINDER=y CONFIG_DEPRECATED_PARAM_STRUCT=y diff --git a/arch/arm/configs/pleb_defconfig b/arch/arm/configs/pleb_defconfig index d87263336cb2..fd2667873273 100644 --- a/arch/arm/configs/pleb_defconfig +++ b/arch/arm/configs/pleb_defconfig @@ -4,6 +4,8 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y # CONFIG_HOTPLUG is not set # CONFIG_SHMEM is not set +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_PLEB=y CONFIG_UNUSED_BOARD_FILES=y diff --git a/arch/arm/configs/rpc_defconfig b/arch/arm/configs/rpc_defconfig index b667c9d4527c..210974364d61 100644 --- a/arch/arm/configs/rpc_defconfig +++ b/arch/arm/configs/rpc_defconfig @@ -4,6 +4,8 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_RPC=y CONFIG_CPU_SA110=y CONFIG_FPE_NWFPE=y diff --git a/arch/arm/configs/shannon_defconfig b/arch/arm/configs/shannon_defconfig index 42252e85ee49..dfcea70b8034 100644 --- a/arch/arm/configs/shannon_defconfig +++ b/arch/arm/configs/shannon_defconfig @@ -1,6 +1,8 @@ CONFIG_SYSVIPC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_SHANNON=y CONFIG_UNUSED_BOARD_FILES=y diff --git a/arch/arm/configs/simpad_defconfig b/arch/arm/configs/simpad_defconfig index cc451728f6d9..4e00a4c2c287 100644 --- a/arch/arm/configs/simpad_defconfig +++ b/arch/arm/configs/simpad_defconfig @@ -5,6 +5,8 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_EXPERT=y CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_EXTRA_PASS=y +CONFIG_ARCH_MULTI_V4=y +# CONFIG_ARCH_MULTI_V7 is not set CONFIG_ARCH_SA1100=y CONFIG_SA1100_SIMPAD=y CONFIG_UNUSED_BOARD_FILES=y diff --git a/arch/arm/include/asm/dma-direct.h b/arch/arm/include/asm/dma-direct.h deleted file mode 100644 index 4f7bcde03abb..000000000000 --- a/arch/arm/include/asm/dma-direct.h +++ /dev/null @@ -1 +0,0 @@ -#include <mach/dma-direct.h> diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h index 05f29a72150b..c6aded1b069c 100644 --- a/arch/arm/include/asm/dma.h +++ b/arch/arm/include/asm/dma.h @@ -106,7 +106,7 @@ extern void set_dma_sg(unsigned int chan, struct scatterlist *sg, int nr_sg); */ extern void __set_dma_addr(unsigned int chan, void *addr); #define set_dma_addr(chan, addr) \ - __set_dma_addr(chan, (void *)__bus_to_virt(addr)) + __set_dma_addr(chan, (void *)isa_bus_to_virt(addr)) /* Set the DMA byte count for this channel * diff --git a/arch/arm/include/asm/hardware/dec21285.h b/arch/arm/include/asm/hardware/dec21285.h index 3f18a56a025d..894f2a635cbb 100644 --- a/arch/arm/include/asm/hardware/dec21285.h +++ b/arch/arm/include/asm/hardware/dec21285.h @@ -22,6 +22,13 @@ #define DC21285_IO(x) (x) #endif +/* + * The footbridge is programmed to expose the system RAM at 0xe0000000. + * The requirement is that the RAM isn't placed at bus address 0, which + * would clash with VGA cards. + */ +#define BUS_OFFSET 0xe0000000 + #define CSR_PCICMD DC21285_IO(0x0004) #define CSR_CLASSREV DC21285_IO(0x0008) #define CSR_PCICACHELINESIZE DC21285_IO(0x000c) @@ -81,19 +88,6 @@ #define SA110_CNTL_XCSDIR(x) ((x)<<28) #define SA110_CNTL_PCICFN (1 << 31) -/* - * footbridge_cfn_mode() is used when we want - * to check whether we are the central function - */ -#define __footbridge_cfn_mode() (*CSR_SA110_CNTL & SA110_CNTL_PCICFN) -#if defined(CONFIG_FOOTBRIDGE_HOST) && defined(CONFIG_FOOTBRIDGE_ADDIN) -#define footbridge_cfn_mode() __footbridge_cfn_mode() -#elif defined(CONFIG_FOOTBRIDGE_HOST) -#define footbridge_cfn_mode() (1) -#else -#define footbridge_cfn_mode() (0) -#endif - #define CSR_PCIADDR_EXTN DC21285_IO(0x0140) #define CSR_PREFETCHMEMRANGE DC21285_IO(0x0144) #define CSR_XBUS_CYCLE DC21285_IO(0x0148) diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h index 1506422af383..5ec11d7f0d04 100644 --- a/arch/arm/include/asm/mach/dma.h +++ b/arch/arm/include/asm/mach/dma.h @@ -44,8 +44,3 @@ struct dma_struct { * isa_dma_add - add an ISA-style DMA channel */ extern int isa_dma_add(unsigned int, dma_t *dma); - -/* - * Add the ISA DMA controller. Always takes channels 0-7. - */ -extern void isa_init_dma(void); diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index a55a9038abc8..d8eef4bd8c71 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -370,17 +370,6 @@ static inline unsigned long __virt_to_idmap(unsigned long x) #define virt_to_idmap(x) __virt_to_idmap((unsigned long)(x)) /* - * Virtual <-> DMA view memory address translations - * Again, these are *only* valid on the kernel direct mapped RAM - * memory. Use of these is *deprecated* (and that doesn't mean - * use the __ prefixed forms instead.) See dma-mapping.h. - */ -#ifndef __virt_to_bus -#define __virt_to_bus __virt_to_phys -#define __bus_to_virt __phys_to_virt -#endif - -/* * Conversion between a struct page and a physical address. * * page_to_pfn(page) convert a struct page * to a PFN number diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 553866751e1a..95034d32213c 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -45,7 +45,6 @@ obj-$(CONFIG_ISA_DMA_API) += dma.o obj-$(CONFIG_FIQ) += fiq.o fiqasm.o obj-$(CONFIG_MODULES) += armksyms.o module.o obj-$(CONFIG_ARM_MODULE_PLTS) += module-plts.o -obj-$(CONFIG_ISA_DMA) += dma-isa.o obj-$(CONFIG_PCI) += bios32.o isa.o obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o suspend.o obj-$(CONFIG_HIBERNATION) += hibernate.o diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 02839d8b6202..264827281113 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -194,14 +194,12 @@ const struct machine_desc * __init setup_machine_fdt(void *dt_virt) { const struct machine_desc *mdesc, *mdesc_best = NULL; -#if defined(CONFIG_ARCH_MULTIPLATFORM) || defined(CONFIG_ARM_SINGLE_ARMV7M) DT_MACHINE_START(GENERIC_DT, "Generic DT based system") .l2c_aux_val = 0x0, .l2c_aux_mask = ~0x0, MACHINE_END mdesc_best = &__mach_desc_GENERIC_DT; -#endif if (!dt_virt || !early_init_dt_verify(dt_virt)) return NULL; diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig index cd8a15be0724..080019aa6fcd 100644 --- a/arch/arm/mach-aspeed/Kconfig +++ b/arch/arm/mach-aspeed/Kconfig @@ -19,9 +19,9 @@ config MACH_ASPEED_G4 select PINCTRL_ASPEED_G4 select FTTMR010_TIMER help - Say yes if you intend to run on an Aspeed ast2400 or similar - fourth generation BMCs, such as those used by OpenPower Power8 - systems. + Say yes if you intend to run on an Aspeed ast2400 or similar + fourth generation BMCs, such as those used by OpenPower Power8 + systems. config MACH_ASPEED_G5 bool "Aspeed SoC 5th Generation" @@ -29,8 +29,8 @@ config MACH_ASPEED_G5 select PINCTRL_ASPEED_G5 select FTTMR010_TIMER help - Say yes if you intend to run on an Aspeed ast2500 or similar - fifth generation Aspeed BMCs. + Say yes if you intend to run on an Aspeed ast2500 or similar + fifth generation Aspeed BMCs. config MACH_ASPEED_G6 bool "Aspeed SoC 6th Generation" @@ -40,7 +40,7 @@ config MACH_ASPEED_G6 select ARM_GIC select HAVE_ARM_ARCH_TIMER help - Say yes if you intend to run on an Aspeed ast2600 or similar - sixth generation Aspeed BMCs. + Say yes if you intend to run on an Aspeed ast2600 or similar + sixth generation Aspeed BMCs. endif diff --git a/arch/arm/mach-at91/Makefile.boot b/arch/arm/mach-at91/Makefile.boot deleted file mode 100644 index 5dde7328a7a9..000000000000 --- a/arch/arm/mach-at91/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# Empty file waiting for deletion once Makefile.boot isn't needed any more. -# Patch waits for application at -# https://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 . diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot deleted file mode 100644 index d36b251f325b..000000000000 --- a/arch/arm/mach-davinci/Makefile.boot +++ /dev/null @@ -1,8 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -zreladdr-$(CONFIG_ARCH_DAVINCI_DA8XX) += 0xc0008000 -params_phys-$(CONFIG_ARCH_DAVINCI_DA8XX) := 0xc0000100 -initrd_phys-$(CONFIG_ARCH_DAVINCI_DA8XX) := 0xc0800000 - -zreladdr-$(CONFIG_ARCH_DAVINCI_DMx) += 0x80008000 -params_phys-$(CONFIG_ARCH_DAVINCI_DMx) := 0x80000100 -initrd_phys-$(CONFIG_ARCH_DAVINCI_DMx) := 0x80800000 diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile index e83f6492834d..da373a5768ba 100644 --- a/arch/arm/mach-dove/Makefile +++ b/arch/arm/mach-dove/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include +ccflags-y := -I$(srctree)/arch/arm/plat-orion/include obj-y += common.o obj-$(CONFIG_DOVE_LEGACY) += irq.o mpp.o diff --git a/arch/arm/mach-dove/Makefile.boot b/arch/arm/mach-dove/Makefile.boot deleted file mode 100644 index e4dd1d26038f..000000000000 --- a/arch/arm/mach-dove/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x00008000 -params_phys-y := 0x00000100 -initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot deleted file mode 100644 index 4c0a039a5027..000000000000 --- a/arch/arm/mach-ep93xx/Makefile.boot +++ /dev/null @@ -1,2 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# Empty file waiting for deletion once Makefile.boot isn't needed any more. diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig index acc10b1caa69..b5e7cbfed119 100644 --- a/arch/arm/mach-footbridge/Kconfig +++ b/arch/arm/mach-footbridge/Kconfig @@ -1,38 +1,37 @@ # SPDX-License-Identifier: GPL-2.0-only -if ARCH_FOOTBRIDGE +menuconfig ARCH_FOOTBRIDGE + bool "FootBridge Implementations" + depends on ARCH_MULTI_V4 && !(ARCH_MULTI_V4T || ARCH_MULTI_V5) + depends on !(ARCH_MOXART || ARCH_GEMINI || ARCH_SA1100) + depends on ATAGS + depends on CPU_LITTLE_ENDIAN + depends on MMU + select ARCH_NO_SG_CHAIN + select CPU_SA110 + select FOOTBRIDGE + select NEED_MACH_MEMORY_H + help + Support for systems based on the DC21285 companion chip + ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. -menu "Footbridge Implementations" +if ARCH_FOOTBRIDGE config ARCH_CATS bool "CATS" depends on UNUSED_BOARD_FILES select CLKEVT_I8253 select CLKSRC_I8253 - select FOOTBRIDGE_HOST select ISA - select ISA_DMA select FORCE_PCI help Say Y here if you intend to run this kernel on the CATS. Saying N will reduce the size of the Footbridge kernel. -config ARCH_EBSA285_ADDIN - bool "EBSA285 (addin mode)" - select ARCH_EBSA285 - select FOOTBRIDGE_ADDIN - help - Say Y here if you intend to run this kernel on the EBSA285 card - in addin mode. - - Saying N will reduce the size of the Footbridge kernel. - config ARCH_EBSA285_HOST bool "EBSA285 (host mode)" select ARCH_EBSA285 - select FOOTBRIDGE_HOST select ISA - select ISA_DMA select ARCH_MAY_HAVE_PC_FDC select FORCE_PCI help @@ -45,9 +44,7 @@ config ARCH_NETWINDER bool "NetWinder" select CLKEVT_I8253 select CLKSRC_I8253 - select FOOTBRIDGE_HOST select ISA - select ISA_DMA select FORCE_PCI help Say Y here if you intend to run this kernel on the Rebel.COM @@ -57,23 +54,12 @@ config ARCH_NETWINDER Saying N will reduce the size of the Footbridge kernel. -endmenu - # Footbridge support config FOOTBRIDGE - select ARCH_HAS_PHYS_TO_DMA - bool - -# Footbridge in host mode -config FOOTBRIDGE_HOST - bool + def_bool y select ARCH_MIGHT_HAVE_PC_SERIO + select ISA_DMA_API -# Footbridge in addin mode -config FOOTBRIDGE_ADDIN - bool - -# EBSA285 board in either host or addin mode config ARCH_EBSA285 bool diff --git a/arch/arm/mach-footbridge/Makefile b/arch/arm/mach-footbridge/Makefile index 6262993c0555..55d570739f19 100644 --- a/arch/arm/mach-footbridge/Makefile +++ b/arch/arm/mach-footbridge/Makefile @@ -5,11 +5,11 @@ # Object file lists. -obj-y := common.o dma.o isa-irq.o +obj-y := common.o isa-irq.o isa.o isa-rtc.o dma-isa.o pci-y += dc21285.o pci-$(CONFIG_ARCH_CATS) += cats-pci.o -pci-$(CONFIG_ARCH_EBSA285_HOST) += ebsa285-pci.o +pci-$(CONFIG_ARCH_EBSA285) += ebsa285-pci.o pci-$(CONFIG_ARCH_NETWINDER) += netwinder-pci.o obj-$(CONFIG_ARCH_CATS) += cats-hw.o isa-timer.o @@ -18,4 +18,3 @@ obj-$(CONFIG_ARCH_NETWINDER) += netwinder-hw.o isa-timer.o obj-$(CONFIG_PCI) +=$(pci-y) -obj-$(CONFIG_ISA) += isa.o isa-rtc.o diff --git a/arch/arm/mach-footbridge/Makefile.boot b/arch/arm/mach-footbridge/Makefile.boot deleted file mode 100644 index e4313e912cac..000000000000 --- a/arch/arm/mach-footbridge/Makefile.boot +++ /dev/null @@ -1,5 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x00008000 -params_phys-y := 0x00000100 -initrd_phys-y := 0x00800000 - diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c index 5020eb96b025..629e4676ed77 100644 --- a/arch/arm/mach-footbridge/common.c +++ b/arch/arm/mach-footbridge/common.c @@ -198,9 +198,6 @@ void __init footbridge_init_irq(void) __fb_init_irq(); - if (!footbridge_cfn_mode()) - return; - if (machine_is_ebsa285()) /* The following is dependent on which slot * you plug the Southbridge card into. We @@ -221,21 +218,13 @@ void __init footbridge_init_irq(void) * commented out since there is a "No Fix" problem with it. Not mapping * it means that we have extra bullet protection on our feet. */ -static struct map_desc fb_common_io_desc[] __initdata = { +static struct map_desc ebsa285_host_io_desc[] __initdata = { { .virtual = ARMCSR_BASE, .pfn = __phys_to_pfn(DC21285_ARMCSR_BASE), .length = ARMCSR_SIZE, .type = MT_DEVICE, - } -}; - -/* - * The mapping when the footbridge is in host mode. We don't map any of - * this when we are in add-in mode. - */ -static struct map_desc ebsa285_host_io_desc[] __initdata = { -#if defined(CONFIG_ARCH_FOOTBRIDGE) && defined(CONFIG_FOOTBRIDGE_HOST) + }, { .virtual = PCIMEM_BASE, .pfn = __phys_to_pfn(DC21285_PCI_MEM), @@ -257,26 +246,12 @@ static struct map_desc ebsa285_host_io_desc[] __initdata = { .length = PCIIACK_SIZE, .type = MT_DEVICE, }, -#endif }; void __init footbridge_map_io(void) { - /* - * Set up the common mapping first; we need this to - * determine whether we're in host mode or not. - */ - iotable_init(fb_common_io_desc, ARRAY_SIZE(fb_common_io_desc)); - - /* - * Now, work out what we've got to map in addition on this - * platform. - */ - if (footbridge_cfn_mode()) { - iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc)); - pci_map_io_early(__phys_to_pfn(DC21285_PCI_IO)); - } - + iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc)); + pci_map_io_early(__phys_to_pfn(DC21285_PCI_IO)); vga_base = PCIMEM_BASE; } @@ -306,49 +281,3 @@ void footbridge_restart(enum reboot_mode mode, const char *cmd) *CSR_SA110_CNTL |= (1 << 13); } } - -#ifdef CONFIG_FOOTBRIDGE_ADDIN - -static inline unsigned long fb_bus_sdram_offset(void) -{ - return *CSR_PCISDRAMBASE & 0xfffffff0; -} - -/* - * These two functions convert virtual addresses to PCI addresses and PCI - * addresses to virtual addresses. Note that it is only legal to use these - * on memory obtained via get_zeroed_page or kmalloc. - */ -unsigned long __virt_to_bus(unsigned long res) -{ - WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory); - - return res + (fb_bus_sdram_offset() - PAGE_OFFSET); -} -EXPORT_SYMBOL(__virt_to_bus); - -unsigned long __bus_to_virt(unsigned long res) -{ - res = res - (fb_bus_sdram_offset() - PAGE_OFFSET); - - WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory); - - return res; -} -EXPORT_SYMBOL(__bus_to_virt); -#else -static inline unsigned long fb_bus_sdram_offset(void) -{ - return BUS_OFFSET; -} -#endif /* CONFIG_FOOTBRIDGE_ADDIN */ - -dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) -{ - return paddr + (fb_bus_sdram_offset() - PHYS_OFFSET); -} - -phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr) -{ - return dev_addr - (fb_bus_sdram_offset() - PHYS_OFFSET); -} diff --git a/arch/arm/mach-footbridge/dc21285.c b/arch/arm/mach-footbridge/dc21285.c index f9713dc561cf..f8920d0010de 100644 --- a/arch/arm/mach-footbridge/dc21285.c +++ b/arch/arm/mach-footbridge/dc21285.c @@ -5,6 +5,7 @@ * Copyright (C) 1998-2001 Russell King * Copyright (C) 1998-2000 Phil Blundell */ +#include <linux/dma-map-ops.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/interrupt.h> @@ -241,13 +242,26 @@ static irqreturn_t dc21285_parity_irq(int irq, void *dev_id) return IRQ_HANDLED; } +static int dc21285_pci_bus_notifier(struct notifier_block *nb, + unsigned long action, + void *data) +{ + if (action != BUS_NOTIFY_ADD_DEVICE) + return NOTIFY_DONE; + + dma_direct_set_offset(data, PHYS_OFFSET, BUS_OFFSET, SZ_256M); + + return NOTIFY_OK; +} + +static struct notifier_block dc21285_pci_bus_nb = { + .notifier_call = dc21285_pci_bus_notifier, +}; + int __init dc21285_setup(int nr, struct pci_sys_data *sys) { struct resource *res; - if (nr || !footbridge_cfn_mode()) - return 0; - res = kcalloc(2, sizeof(struct resource), GFP_KERNEL); if (!res) { printk("out of memory for root bus resources"); @@ -269,6 +283,8 @@ int __init dc21285_setup(int nr, struct pci_sys_data *sys) pci_add_resource_offset(&sys->resources, &res[0], sys->mem_offset); pci_add_resource_offset(&sys->resources, &res[1], sys->mem_offset); + bus_register_notifier(&pci_bus_type, &dc21285_pci_bus_nb); + return 1; } @@ -278,7 +294,6 @@ int __init dc21285_setup(int nr, struct pci_sys_data *sys) void __init dc21285_preinit(void) { unsigned int mem_size, mem_mask; - int cfn_mode; pcibios_min_mem = 0x81000000; @@ -298,21 +313,15 @@ void __init dc21285_preinit(void) *CSR_CSRBASEOFFSET = 0; *CSR_PCIADDR_EXTN = 0; - cfn_mode = __footbridge_cfn_mode(); - printk(KERN_INFO "PCI: DC21285 footbridge, revision %02lX, in " - "%s mode\n", *CSR_CLASSREV & 0xff, cfn_mode ? - "central function" : "addin"); - - if (footbridge_cfn_mode()) { - /* - * Clear any existing errors - we aren't - * interested in historical data... - */ - *CSR_SA110_CNTL = (*CSR_SA110_CNTL & 0xffffde07) | - SA110_CNTL_RXSERR; - *CSR_PCICMD = (*CSR_PCICMD & 0xffff) | PCICMD_ERROR_BITS; - } + "central function mode\n", *CSR_CLASSREV & 0xff); + + /* + * Clear any existing errors - we aren't + * interested in historical data... + */ + *CSR_SA110_CNTL = (*CSR_SA110_CNTL & 0xffffde07) | SA110_CNTL_RXSERR; + *CSR_PCICMD = (*CSR_PCICMD & 0xffff) | PCICMD_ERROR_BITS; timer_setup(&serr_timer, dc21285_enable_error, 0); timer_setup(&perr_timer, dc21285_enable_error, 0); @@ -331,29 +340,18 @@ void __init dc21285_preinit(void) dc21285_request_irq(IRQ_PCI_DPERR, dc21285_dparity_irq, 0, "PCI data parity", NULL); - if (cfn_mode) { - /* - * Map our SDRAM at a known address in PCI space, just in case - * the firmware had other ideas. Using a nonzero base is - * necessary, since some VGA cards forcefully use PCI addresses - * in the range 0x000a0000 to 0x000c0000. (eg, S3 cards). - */ - *CSR_PCICSRBASE = 0xf4000000; - *CSR_PCICSRIOBASE = 0; - *CSR_PCISDRAMBASE = __virt_to_bus(PAGE_OFFSET); - *CSR_PCIROMBASE = 0; - *CSR_PCICMD = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | - PCI_COMMAND_INVALIDATE | PCICMD_ERROR_BITS; - } else if (footbridge_cfn_mode() != 0) { - /* - * If we are not compiled to accept "add-in" mode, then - * we are using a constant virt_to_bus translation which - * can not hope to cater for the way the host BIOS has - * set up the machine. - */ - panic("PCI: this kernel is compiled for central " - "function mode only"); - } + /* + * Map our SDRAM at a known address in PCI space, just in case + * the firmware had other ideas. Using a nonzero base is + * necessary, since some VGA cards forcefully use PCI addresses + * in the range 0x000a0000 to 0x000c0000. (eg, S3 cards). + */ + *CSR_PCICSRBASE = 0xf4000000; + *CSR_PCICSRIOBASE = 0; + *CSR_PCISDRAMBASE = BUS_OFFSET; + *CSR_PCIROMBASE = 0; + *CSR_PCICMD = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | + PCI_COMMAND_INVALIDATE | PCICMD_ERROR_BITS; } void __init dc21285_postinit(void) diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/mach-footbridge/dma-isa.c index 2d90ecce5a11..937f5376d5e7 100644 --- a/arch/arm/kernel/dma-isa.c +++ b/arch/arm/mach-footbridge/dma-isa.c @@ -1,7 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * linux/arch/arm/kernel/dma-isa.c - * * Copyright (C) 1999-2000 Russell King * * ISA DMA primitives @@ -13,6 +11,7 @@ * arch/arm/kernel/dma-ebsa285.c * Copyright (C) 1998 Phil Blundell */ +#include <linux/dma-map-ops.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/dma-mapping.h> @@ -20,6 +19,7 @@ #include <asm/dma.h> #include <asm/mach/dma.h> +#include <asm/hardware/dec21285.h> #define ISA_DMA_MASK 0 #define ISA_DMA_MODE 1 @@ -157,7 +157,7 @@ static dma_t isa_dma[8]; /* * ISA DMA always starts at channel 0 */ -void __init isa_init_dma(void) +static int __init isa_dma_init(void) { /* * Try to autodetect presence of an ISA DMA controller. @@ -222,4 +222,9 @@ void __init isa_init_dma(void) request_dma(DMA_ISA_CASCADE, "cascade"); } + + dma_direct_set_offset(&isa_dma_dev, PHYS_OFFSET, BUS_OFFSET, SZ_256M); + + return 0; } +core_initcall(isa_dma_init); diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c deleted file mode 100644 index 86618074a7a5..000000000000 --- a/arch/arm/mach-footbridge/dma.c +++ /dev/null @@ -1,58 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * linux/arch/arm/kernel/dma-ebsa285.c - * - * Copyright (C) 1998 Phil Blundell - * - * DMA functions specific to EBSA-285/CATS architectures - * - * Changelog: - * 09-Nov-1998 RMK Split out ISA DMA functions to dma-isa.c - * 17-Mar-1999 RMK Allow any EBSA285-like architecture to have - * ISA DMA controllers. - */ -#include <linux/init.h> -#include <linux/io.h> -#include <linux/spinlock.h> -#include <linux/scatterlist.h> - -#include <asm/dma.h> - -#include <asm/mach/dma.h> -#include <asm/hardware/dec21285.h> - -#if 0 -static int fb_dma_request(unsigned int chan, dma_t *dma) -{ - return -EINVAL; -} - -static void fb_dma_enable(unsigned int chan, dma_t *dma) -{ -} - -static void fb_dma_disable(unsigned int chan, dma_t *dma) -{ -} - -static struct dma_ops fb_dma_ops = { - .type = "fb", - .request = fb_dma_request, - .enable = fb_dma_enable, - .disable = fb_dma_disable, -}; -#endif - -static int __init fb_dma_init(void) -{ -#if 0 - dma[_DC21285_DMA(0)].d_ops = &fb_dma_ops; - dma[_DC21285_DMA(1)].d_ops = &fb_dma_ops; -#endif -#ifdef CONFIG_ISA_DMA - if (footbridge_cfn_mode()) - isa_init_dma(); -#endif - return 0; -} -core_initcall(fb_dma_init); diff --git a/arch/arm/mach-footbridge/include/mach/dma-direct.h b/arch/arm/mach-footbridge/include/mach/dma-direct.h deleted file mode 100644 index 01f9e8367c00..000000000000 --- a/arch/arm/mach-footbridge/include/mach/dma-direct.h +++ /dev/null @@ -1,8 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef MACH_FOOTBRIDGE_DMA_DIRECT_H -#define MACH_FOOTBRIDGE_DMA_DIRECT_H 1 - -dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); -phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr); - -#endif /* MACH_FOOTBRIDGE_DMA_DIRECT_H */ diff --git a/arch/arm/mach-footbridge/include/mach/isa-dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h index 8a1b991076e1..b10731a1f66a 100644 --- a/arch/arm/mach-footbridge/include/mach/isa-dma.h +++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h @@ -10,17 +10,9 @@ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H -/* - * The 21285 has two internal DMA channels; we call these 8 and 9. - * On CATS hardware we have an additional eight ISA dma channels - * numbered 0..7. - */ -#define _ISA_DMA(x) (0+(x)) -#define _DC21285_DMA(x) (8+(x)) - -#define MAX_DMA_CHANNELS 10 +#define MAX_DMA_CHANNELS 8 -#define DMA_FLOPPY _ISA_DMA(2) -#define DMA_ISA_CASCADE _ISA_DMA(4) +#define DMA_FLOPPY (2) +#define DMA_ISA_CASCADE (4) #endif /* _ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h index 3a5d2638c18f..9516877667d7 100644 --- a/arch/arm/mach-footbridge/include/mach/memory.h +++ b/arch/arm/mach-footbridge/include/mach/memory.h @@ -16,37 +16,6 @@ #ifndef __ASM_ARCH_MEMORY_H #define __ASM_ARCH_MEMORY_H - -#if defined(CONFIG_FOOTBRIDGE_ADDIN) -/* - * If we may be using add-in footbridge mode, then we must - * use the out-of-line translation that makes use of the - * PCI BAR - */ -#ifndef __ASSEMBLY__ -extern unsigned long __virt_to_bus(unsigned long); -extern unsigned long __bus_to_virt(unsigned long); -#endif -#define __virt_to_bus __virt_to_bus -#define __bus_to_virt __bus_to_virt - -#elif defined(CONFIG_FOOTBRIDGE_HOST) - -/* - * The footbridge is programmed to expose the system RAM at 0xe0000000. - * The requirement is that the RAM isn't placed at bus address 0, which - * would clash with VGA cards. - */ -#define BUS_OFFSET 0xe0000000 -#define __virt_to_bus(x) ((x) + (BUS_OFFSET - PAGE_OFFSET)) -#define __bus_to_virt(x) ((x) - (BUS_OFFSET - PAGE_OFFSET)) - -#else - -#error "Undefined footbridge mode" - -#endif - /* * Cache flushing area. */ diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c index ec5af521cf95..84caccddce44 100644 --- a/arch/arm/mach-footbridge/isa.c +++ b/arch/arm/mach-footbridge/isa.c @@ -79,16 +79,12 @@ static int __init footbridge_isa_init(void) { int err = 0; - if (!footbridge_cfn_mode()) - return 0; - /* Personal server doesn't have RTC */ - if (!machine_is_personal_server()) { - isa_rtc_init(); - err = platform_device_register(&rtc_device); - if (err) - printk(KERN_ERR "Unable to register RTC device: %d\n", err); - } + isa_rtc_init(); + err = platform_device_register(&rtc_device); + if (err) + printk(KERN_ERR "Unable to register RTC device: %d\n", err); + err = platform_device_register(&serial_device); if (err) printk(KERN_ERR "Unable to register serial device: %d\n", err); diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 77e435df8dfe..ab767f059929 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only menuconfig ARCH_MXC bool "Freescale i.MX family" - depends on (ARCH_MULTI_V4_V5 && CPU_LITTLE_ENDIAN) || \ + depends on ((ARCH_MULTI_V4T || ARCH_MULTI_V5) && CPU_LITTLE_ENDIAN) || \ ARCH_MULTI_V6_V7 || ARM_SINGLE_ARMV7M select CLKSRC_IMX_GPT select GENERIC_IRQ_CHIP diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot deleted file mode 100644 index e69de29bb2d1..000000000000 --- a/arch/arm/mach-imx/Makefile.boot +++ /dev/null diff --git a/arch/arm/mach-iop32x/Makefile.boot b/arch/arm/mach-iop32x/Makefile.boot deleted file mode 100644 index 5c3af01c4000..000000000000 --- a/arch/arm/mach-iop32x/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0xa0008000 -params_phys-y := 0xa0000100 -initrd_phys-y := 0xa0800000 diff --git a/arch/arm/mach-lpc18xx/Makefile.boot b/arch/arm/mach-lpc18xx/Makefile.boot deleted file mode 100644 index cec195d4fcba..000000000000 --- a/arch/arm/mach-lpc18xx/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# Empty file waiting for deletion once Makefile.boot isn't needed any more. -# Patch waits for application at -# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 . diff --git a/arch/arm/mach-lpc32xx/Makefile.boot b/arch/arm/mach-lpc32xx/Makefile.boot deleted file mode 100644 index 37d09ddb27f8..000000000000 --- a/arch/arm/mach-lpc32xx/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x80008000 -params_phys-y := 0x80000100 -initrd_phys-y := 0x82000000 diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile index a839e960b8c6..50aff70065f2 100644 --- a/arch/arm/mach-mv78xx0/Makefile +++ b/arch/arm/mach-mv78xx0/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include +ccflags-y := -I$(srctree)/arch/arm/plat-orion/include obj-y += common.o mpp.o irq.o pcie.o obj-$(CONFIG_MACH_DB78X00_BP) += db78x00-bp-setup.o diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index cb106899dd7c..c21733cbb4fa 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include +ccflags-y := -I$(srctree)/arch/arm/plat-orion/include AFLAGS_coherency_ll.o := -Wa,-march=armv7-a CFLAGS_pmsu.o := -march=armv7-a diff --git a/arch/arm/mach-nspire/Kconfig b/arch/arm/mach-nspire/Kconfig index eb9916233dea..b7a3871876d7 100644 --- a/arch/arm/mach-nspire/Kconfig +++ b/arch/arm/mach-nspire/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config ARCH_NSPIRE bool "TI-NSPIRE based" - depends on ARCH_MULTI_V4_V5 + depends on ARCH_MULTI_V4T depends on CPU_LITTLE_ENDIAN select CPU_ARM926T select GENERIC_IRQ_CHIP diff --git a/arch/arm/mach-omap1/Makefile.boot b/arch/arm/mach-omap1/Makefile.boot deleted file mode 100644 index 2c771515a606..000000000000 --- a/arch/arm/mach-omap1/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x10008000 -params_phys-y := 0x10000100 -initrd_phys-y := 0x10800000 diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile index 1a585a62d5e6..572c3520f7fe 100644 --- a/arch/arm/mach-orion5x/Makefile +++ b/arch/arm/mach-orion5x/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include +ccflags-y := -I$(srctree)/arch/arm/plat-orion/include obj-y += common.o pci.o irq.o mpp.o obj-$(CONFIG_MACH_DB88F5281) += db88f5281-setup.o diff --git a/arch/arm/mach-rpc/Kconfig b/arch/arm/mach-rpc/Kconfig new file mode 100644 index 000000000000..55f6d829b677 --- /dev/null +++ b/arch/arm/mach-rpc/Kconfig @@ -0,0 +1,21 @@ +config ARCH_RPC + bool "RiscPC" + depends on ARCH_MULTI_V4 && !(ARCH_MULTI_V4T || ARCH_MULTI_V5) + depends on !(ARCH_FOOTBRIDGE || ARCH_SA1100 || ARCH_MOXART || ARCH_GEMINI) + depends on !CC_IS_CLANG && GCC_VERSION < 90100 && GCC_VERSION >= 60000 + depends on CPU_LITTLE_ENDIAN + depends on ATAGS + depends on MMU + select ARCH_ACORN + select ARCH_MAY_HAVE_PC_FDC + select CPU_SA110 + select FIQ + select HAVE_PATA_PLATFORM + select ISA_DMA_API + select LEGACY_TIMER_TICK + select NEED_MACH_IO_H + select NEED_MACH_MEMORY_H + select NO_IOPORT_MAP + help + On the Acorn Risc-PC, Linux can support the internal IDE disk and + CD-ROM interface, serial and parallel port, and the floppy drive. diff --git a/arch/arm/mach-rpc/Makefile.boot b/arch/arm/mach-rpc/Makefile.boot deleted file mode 100644 index 0ed8e8fbde99..000000000000 --- a/arch/arm/mach-rpc/Makefile.boot +++ /dev/null @@ -1,5 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x10008000 -params_phys-y := 0x10000100 -initrd_phys-y := 0x18000000 - diff --git a/arch/arm/mach-s3c/Makefile.boot b/arch/arm/mach-s3c/Makefile.boot deleted file mode 100644 index 7f19e226035e..000000000000 --- a/arch/arm/mach-s3c/Makefile.boot +++ /dev/null @@ -1,9 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 - -ifeq ($(CONFIG_PM_H1940),y) - zreladdr-y += 0x30108000 - params_phys-y := 0x30100100 -else - zreladdr-y += 0x30008000 - params_phys-y := 0x30000100 -endif diff --git a/arch/arm/mach-s3c/devs.h b/arch/arm/mach-s3c/devs.h index 02b0c5750572..991b9b2006a1 100644 --- a/arch/arm/mach-s3c/devs.h +++ b/arch/arm/mach-s3c/devs.h @@ -33,8 +33,6 @@ extern struct platform_device s3c64xx_device_onenand1; extern struct platform_device s3c64xx_device_pcm0; extern struct platform_device s3c64xx_device_pcm1; extern struct platform_device s3c64xx_device_spi0; -extern struct platform_device s3c64xx_device_spi1; -extern struct platform_device s3c64xx_device_spi2; extern struct platform_device s3c_device_adc; extern struct platform_device s3c_device_cfcon; diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig index 7e0161cb1c1f..fb9cd10705de 100644 --- a/arch/arm/mach-sa1100/Kconfig +++ b/arch/arm/mach-sa1100/Kconfig @@ -1,7 +1,25 @@ # SPDX-License-Identifier: GPL-2.0-only -if ARCH_SA1100 +menuconfig ARCH_SA1100 + bool "SA11x0 Implementations" + depends on ARCH_MULTI_V4 && !(ARCH_MULTI_V4T || ARCH_MULTI_V5) + depends on !(ARCH_MOXART || ARCH_GEMINI) + depends on ATAGS + depends on CPU_LITTLE_ENDIAN + depends on MMU + select ARCH_NO_SG_CHAIN + select ARCH_MTD_XIP + select CLKSRC_MMIO + select CLKSRC_PXA + select CPU_FREQ + select CPU_SA1100 + select GPIOLIB + select IRQ_DOMAIN + select ISA + select NEED_MACH_MEMORY_H + help + Support for StrongARM 11x0 based boards. -menu "SA11x0 Implementations" +if ARCH_SA1100 config SA1100_ASSABET bool "Assabet" @@ -179,7 +197,4 @@ config SA1100_SSP This isn't for audio support, but for attached sensors and other devices, eg for BadgePAD 4 sensor support. -endmenu - endif - diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot deleted file mode 100644 index 9d8246f2cab4..000000000000 --- a/arch/arm/mach-sa1100/Makefile.boot +++ /dev/null @@ -1,9 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -ifeq ($(CONFIG_SA1111),y) - zreladdr-y += 0xc0208000 -else - zreladdr-y += 0xc0008000 -endif -params_phys-y := 0xc0000100 -initrd_phys-y := 0xc0800000 - diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 50909c4b95b2..37f862f13c8d 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -6,5 +6,4 @@ menuconfig ARCH_RENESAS select GPIOLIB select NO_IOPORT_MAP select PINCTRL - select SOC_BUS select ZONE_DMA if ARM_LPAE diff --git a/arch/arm/mach-stm32/Makefile.boot b/arch/arm/mach-stm32/Makefile.boot deleted file mode 100644 index 5dde7328a7a9..000000000000 --- a/arch/arm/mach-stm32/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# Empty file waiting for deletion once Makefile.boot isn't needed any more. -# Patch waits for application at -# https://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 . diff --git a/arch/arm/mach-versatile/Makefile.boot b/arch/arm/mach-versatile/Makefile.boot deleted file mode 100644 index cec195d4fcba..000000000000 --- a/arch/arm/mach-versatile/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# Empty file waiting for deletion once Makefile.boot isn't needed any more. -# Patch waits for application at -# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 . diff --git a/arch/arm/mach-vt8500/Makefile.boot b/arch/arm/mach-vt8500/Makefile.boot deleted file mode 100644 index 883985f4b6c1..000000000000 --- a/arch/arm/mach-vt8500/Makefile.boot +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only - zreladdr-y += 0x00008000 -params_phys-y := 0x00000100 -initrd_phys-y := 0x01000000 diff --git a/arch/arm/plat-orion/Makefile b/arch/arm/plat-orion/Makefile index 4e3f25de13c1..830b0be038c6 100644 --- a/arch/arm/plat-orion/Makefile +++ b/arch/arm/plat-orion/Makefile @@ -2,7 +2,7 @@ # # Makefile for the linux kernel. # -ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include +ccflags-y := -I$(srctree)/$(src)/include orion-gpio-$(CONFIG_GPIOLIB) += gpio.o obj-$(CONFIG_PLAT_ORION_LEGACY) += irq.o pcie.o time.o common.o mpp.o diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index bfd344a4737e..76580b932e44 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -33,6 +33,11 @@ config ARCH_APPLE This enables support for Apple's in-house ARM SoC family, starting with the Apple M1. +menuconfig ARCH_BCM + bool "Broadcom SoC Support" + +if ARCH_BCM + config ARCH_BCM2835 bool "Broadcom BCM2835 family" select TIMER_OF @@ -65,6 +70,16 @@ config ARCH_BCMBCA This enables support for Broadcom BCA ARM-based broadband chipsets, including the DSL, PON and Wireless family of chips. +config ARCH_BRCMSTB + bool "Broadcom Set-Top-Box SoCs" + select ARCH_HAS_RESET_CONTROLLER + select GENERIC_IRQ_CHIP + select PINCTRL + help + This enables support for Broadcom's ARMv8 Set Top Box SoCs + +endif + config ARCH_BERLIN bool "Marvell Berlin SoC Family" select DW_APB_ICTL @@ -79,14 +94,6 @@ config ARCH_BITMAIN help This enables support for the Bitmain SoC Family. -config ARCH_BRCMSTB - bool "Broadcom Set-Top-Box SoCs" - select ARCH_HAS_RESET_CONTROLLER - select GENERIC_IRQ_CHIP - select PINCTRL - help - This enables support for Broadcom's ARMv8 Set Top Box SoCs - config ARCH_EXYNOS bool "ARMv8 based Samsung Exynos SoC family" select COMMON_CLK_SAMSUNG @@ -128,12 +135,6 @@ config ARCH_K3 This enables support for Texas Instruments' K3 multicore SoC architecture. -config ARCH_LAYERSCAPE - bool "ARMv8 based Freescale Layerscape SoC family" - select EDAC_SUPPORT - help - This enables support for the Freescale Layerscape SoC family. - config ARCH_LG1K bool "LG Electronics LG1K SoC Family" help @@ -192,6 +193,17 @@ config ARCH_MVEBU - Armada 8K SoC Family - 98DX2530 SoC Family +menuconfig ARCH_NXP + bool "NXP SoC support" + +if ARCH_NXP + +config ARCH_LAYERSCAPE + bool "ARMv8 based Freescale Layerscape SoC family" + select EDAC_SUPPORT + help + This enables support for the Freescale Layerscape SoC family. + config ARCH_MXC bool "ARMv8 based NXP i.MX SoC family" select ARM64_ERRATUM_843419 @@ -206,6 +218,13 @@ config ARCH_MXC This enables support for the ARMv8 based SoCs in the NXP i.MX family. +config ARCH_S32 + bool "NXP S32 SoC Family" + help + This enables support for the NXP S32 family of processors. + +endif + config ARCH_NPCM bool "Nuvoton NPCM Architecture" select PINCTRL @@ -235,7 +254,6 @@ config ARCH_RENESAS bool "Renesas SoC Platforms" select GPIOLIB select PINCTRL - select SOC_BUS help This enables support for the ARMv8 based Renesas SoCs. @@ -249,11 +267,6 @@ config ARCH_ROCKCHIP This enables support for the ARMv8 based Rockchip chipsets, like the RK3368. -config ARCH_S32 - bool "NXP S32 SoC Family" - help - This enables support for the NXP S32 family of processors. - config ARCH_SEATTLE bool "AMD Seattle SoC Family" help diff --git a/drivers/soc/pxa/ssp.c b/drivers/soc/pxa/ssp.c index 563440315acd..93449fb3519e 100644 --- a/drivers/soc/pxa/ssp.c +++ b/drivers/soc/pxa/ssp.c @@ -180,11 +180,7 @@ static int pxa_ssp_probe(struct platform_device *pdev) static int pxa_ssp_remove(struct platform_device *pdev) { - struct ssp_device *ssp; - - ssp = platform_get_drvdata(pdev); - if (ssp == NULL) - return -ENODEV; + struct ssp_device *ssp = platform_get_drvdata(pdev); mutex_lock(&ssp_lock); list_del(&ssp->node); diff --git a/drivers/tty/serial/21285.c b/drivers/tty/serial/21285.c index 7520cc02fd4d..65d6af755567 100644 --- a/drivers/tty/serial/21285.c +++ b/drivers/tty/serial/21285.c @@ -461,9 +461,6 @@ static int __init serial21285_console_setup(struct console *co, char *options) int parity = 'n'; int flow = 'n'; - if (machine_is_personal_server()) - baud = 57600; - /* * Check whether an invalid uart number has been specified, and * if so, search for the first available port that does have |