diff options
Diffstat (limited to 'arch/sparc/Kconfig')
| -rw-r--r-- | arch/sparc/Kconfig | 269 |
1 files changed, 73 insertions, 196 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index a4a626199c47..a630d373e645 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -1,6 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0-only config 64BIT - bool "64-bit kernel" if ARCH = "sparc" - default ARCH = "sparc64" + bool "64-bit kernel" if "$(ARCH)" = "sparc" + default "$(ARCH)" = "sparc64" help SPARC is a family of RISC microprocessors designed and marketed by Sun Microsystems, incorporated. They are very widely found in Sun @@ -12,62 +13,77 @@ config 64BIT config SPARC bool default y + select ARCH_HAS_CPU_CACHE_ALIASING + select ARCH_HAS_DMA_OPS select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI select ARCH_MIGHT_HAVE_PC_SERIO select OF select OF_PROMTREE - select HAVE_IDE - select HAVE_OPROFILE + select HAVE_ASM_MODVERSIONS select HAVE_ARCH_KGDB if !SMP || SPARC64 select HAVE_ARCH_TRACEHOOK + select HAVE_ARCH_SECCOMP if SPARC64 select HAVE_EXIT_THREAD + select HAVE_PCI select SYSCTL_EXCEPTION_TRACE select RTC_CLASS select RTC_DRV_M48T59 select RTC_SYSTOHC - select HAVE_DMA_API_DEBUG select HAVE_ARCH_JUMP_LABEL if SPARC64 select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_PCI_IOMAP - select HAVE_NMI_WATCHDOG if SPARC64 + select HAS_IOPORT + select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64 select HAVE_CBPF_JIT if SPARC32 select HAVE_EBPF_JIT if SPARC64 select HAVE_DEBUG_BUGVERBOSE select GENERIC_SMP_IDLE_THREAD - select GENERIC_CLOCKEVENTS - select GENERIC_STRNCPY_FROM_USER - select GENERIC_STRNLEN_USER select MODULES_USE_ELF_RELA + select PCI_SYSCALL if PCI + select PCI_MSI_ARCH_FALLBACKS if PCI_MSI select ODD_RT_SIGACTION select OLD_SIGSUSPEND - select ARCH_HAS_SG_CHAIN select CPU_NO_EFFICIENT_FFS select LOCKDEP_SMALL if LOCKDEP - select ARCH_WANT_RELAX_ORDER + select NEED_DMA_MAP_STATE + select NEED_SG_DMA_LENGTH + select TRACE_IRQFLAGS_SUPPORT config SPARC32 def_bool !64BIT - select GENERIC_ATOMIC64 + select ARCH_32BIT_OFF_T + select ARCH_HAS_CPU_FINALIZE_INIT if !SMP + select ARCH_HAS_SYNC_DMA_FOR_CPU select CLZ_TAB + select DMA_DIRECT_REMAP + select GENERIC_ATOMIC64 + select GENERIC_LIB_CMPDI2 + select GENERIC_LIB_UCMPDI2 select HAVE_UID16 + select HAVE_PAGE_SIZE_4KB + select LOCK_MM_AND_FIND_VMA select OLD_SIGACTION + select ZONE_DMA config SPARC64 def_bool 64BIT + select ALTERNATE_USER_ADDRESS_SPACE select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_KRETPROBES select HAVE_KPROBES - select HAVE_RCU_TABLE_FREE if SMP - select HAVE_MEMBLOCK - select HAVE_MEMBLOCK_NODE_MAP + select MMU_GATHER_RCU_TABLE_FREE if SMP + select MMU_GATHER_MERGE_VMAS + select MMU_GATHER_NO_FLUSH_CACHE select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_DYNAMIC_FTRACE - select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_PAGE_SIZE_8KB select HAVE_SYSCALL_TRACEPOINTS - select HAVE_CONTEXT_TRACKING + select HAVE_CONTEXT_TRACKING_USER + select HAVE_TIF_NOHZ select HAVE_DEBUG_KMEMLEAK + select IOMMU_HELPER select SPARSE_IRQ select RTC_DRV_CMOS select RTC_DRV_BQ4802 @@ -75,21 +91,27 @@ config SPARC64 select RTC_DRV_STARFIRE select HAVE_PERF_EVENTS select PERF_USE_VMALLOC - select IRQ_PREFLOW_FASTEOI select ARCH_HAVE_NMI_SAFE_CMPXCHG select HAVE_C_RECORDMCOUNT - select NO_BOOTMEM select HAVE_ARCH_AUDITSYSCALL select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_DEBUG_PAGEALLOC + select ARCH_SUPPORTS_HUGETLBFS select HAVE_NMI select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS - -config ARCH_DEFCONFIG - string - default "arch/sparc/configs/sparc32_defconfig" if SPARC32 - default "arch/sparc/configs/sparc64_defconfig" if SPARC64 + select GENERIC_TIME_VSYSCALL + select ARCH_CLOCKSOURCE_DATA + select ARCH_HAS_PTE_SPECIAL + select PCI_DOMAINS if PCI + select ARCH_HAS_GIGANTIC_PAGE + select HAVE_SOFTIRQ_ON_OWN_STACK + select HAVE_SETUP_PER_CPU_AREA + select NEED_PER_CPU_EMBED_FIRST_CHUNK + select NEED_PER_CPU_PAGE_FIRST_CHUNK + select ARCH_SUPPORTS_SCHED_SMT if SMP + select ARCH_SUPPORTS_SCHED_MC if SMP config ARCH_PROC_KCORE_TEXT def_bool y @@ -97,18 +119,6 @@ config ARCH_PROC_KCORE_TEXT config CPU_BIG_ENDIAN def_bool y -config ARCH_ATU - bool - default y if SPARC64 - -config ARCH_DMA_ADDR_T_64BIT - bool - default y if ARCH_ATU - -config IOMMU_HELPER - bool - default y if SPARC64 - config STACKTRACE_SUPPORT bool default y if SPARC64 @@ -124,15 +134,6 @@ config AUDIT_ARCH bool default y -config HAVE_SETUP_PER_CPU_AREA - def_bool y if SPARC64 - -config NEED_PER_CPU_EMBED_FIRST_CHUNK - def_bool y if SPARC64 - -config NEED_PER_CPU_PAGE_FIRST_CHUNK - def_bool y if SPARC64 - config MMU bool default y @@ -140,23 +141,7 @@ config MMU config HIGHMEM bool default y if SPARC32 - -config ZONE_DMA - bool - default y if SPARC32 - -config NEED_DMA_MAP_STATE - def_bool y - -config NEED_SG_DMA_LENGTH - def_bool y - -config GENERIC_ISA_DMA - bool - default y if SPARC32 - -config ARCH_SUPPORTS_DEBUG_PAGEALLOC - def_bool y if SPARC64 + select KMAP_LOCAL config PGTABLE_LEVELS default 4 if 64BIT @@ -165,15 +150,11 @@ config PGTABLE_LEVELS config ARCH_SUPPORTS_UPROBES def_bool y if SPARC64 -source "init/Kconfig" - -source "kernel/Kconfig.freezer" - menu "Processor type and features" config SMP bool "Symmetric multi-processing support" - ---help--- + help This enables support for systems with more than one CPU. If you have a system with only one CPU, say N. If you have a system with more than one CPU, say Y. @@ -188,8 +169,8 @@ config SMP Y to "Enhanced Real Time Clock Support", below. The "Advanced Power Management" code will be disabled if you say Y here. - See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO - available at <http://www.tldp.org/docs.html#howto>. + See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO + available at <https://www.tldp.org/docs.html#howto>. If you don't know what to do here, say N. @@ -201,15 +182,7 @@ config NR_CPUS default 32 if SPARC32 default 4096 if SPARC64 -source kernel/Kconfig.hz - -config RWSEM_GENERIC_SPINLOCK - bool - default y if SPARC32 - -config RWSEM_XCHGADD_ALGORITHM - bool - default y if SPARC64 +source "kernel/Kconfig.hz" config GENERIC_HWEIGHT bool @@ -245,26 +218,11 @@ config EARLYFB bool "Support for early boot text console" default y depends on SPARC64 + select FONT_SUN8x16 + select FONT_SUPPORT help Say Y here to enable a faster early framebuffer boot console. -config SECCOMP - bool "Enable seccomp to safely compute untrusted bytecode" - depends on SPARC64 && PROC_FS - default y - help - This kernel feature is useful for number crunching applications - that may need to compute untrusted bytecode during their - execution. By using pipes or other transports made available to - the process as file descriptors supporting the read/write - syscalls, it's possible to isolate those applications in - their own address space using seccomp. Once seccomp is - enabled via /proc/<pid>/seccomp, it cannot be disabled - and the task is only allowed to execute a few safe syscalls - defined by each seccomp mode. - - If unsure, say Y. Only embedded should say N here. - config HOTPLUG_CPU bool "Support for hot-pluggable CPUs" depends on SPARC64 && SMP @@ -293,7 +251,7 @@ config US3_MC config GENERIC_LOCKBREAK bool default y - depends on SPARC64 && SMP && PREEMPT + depends on SPARC64 && SMP && PREEMPTION config NUMA bool "NUMA support" @@ -303,23 +261,11 @@ config NODES_SHIFT int "Maximum NUMA Nodes (as a power of 2)" range 4 5 if SPARC64 default "5" - depends on NEED_MULTIPLE_NODES + depends on NUMA help Specify the maximum number of NUMA Nodes available on the target system. Increases memory reserved to accommodate various tables. -# Some NUMA nodes have memory ranges that span -# other nodes. Even though a pfn is valid and -# between a node's start and end pfns, it may not -# reside on that node. See memmap_init_zone() -# for details. -config NODES_SPAN_OTHER_NODES - def_bool y - depends on NEED_MULTIPLE_NODES - -config ARCH_SELECT_MEMORY_MODEL - def_bool y if SPARC64 - config ARCH_SPARSEMEM_ENABLE def_bool y if SPARC64 select SPARSEMEM_VMEMMAP_ENABLE @@ -327,46 +273,23 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y if SPARC64 -config FORCE_MAX_ZONEORDER - int "Maximum zone order" - default "13" +config ARCH_FORCE_MAX_ORDER + int "Order of maximal physically contiguous allocations" + default "12" help - The kernel memory allocator divides physically contiguous memory - blocks into "zones", where each zone is a power of two number of - pages. This option selects the largest power of two that the kernel - keeps in the memory allocator. If you need to allocate very large - blocks of physically contiguous memory, then you may need to - increase this value. - - This config option is actually maximum order plus one. For example, - a value of 13 means that the largest free memory block is 2^12 pages. + The kernel page allocator limits the size of maximal physically + contiguous allocations. The limit is called MAX_PAGE_ORDER and it + defines the maximal power of two of number of pages that can be + allocated as a single contiguous block. This option allows + overriding the default setting when ability to allocate very + large blocks of physically contiguous memory is required. -source "mm/Kconfig" + Don't change if unsure. -if SPARC64 +if SPARC64 || COMPILE_TEST source "kernel/power/Kconfig" endif -config SCHED_SMT - bool "SMT (Hyperthreading) scheduler support" - depends on SPARC64 && SMP - default y - help - SMT scheduler support improves the CPU scheduler's decision making - when dealing with SPARC cpus at a cost of slightly increased overhead - in some places. If unsure say N here. - -config SCHED_MC - bool "Multi-core scheduler support" - depends on SPARC64 && SMP - default y - help - Multi-core scheduler support improves the CPU scheduler's decision - making when dealing with multi-core CPU chips at a cost of slightly - increased overhead in some places. If unsure say N here. - -source "kernel/Kconfig.preempt" - config CMDLINE_BOOL bool "Default bootloader kernel arguments" depends on SPARC64 @@ -404,7 +327,7 @@ config SERIAL_CONSOLE bool depends on SPARC32 default y - ---help--- + help If you say Y here, it will be possible to use a serial port as the system console (the system console is the device which receives all kernel messages and warnings and which allows logins in single user @@ -429,7 +352,9 @@ config SPARC_LEON depends on SPARC32 select USB_EHCI_BIG_ENDIAN_MMIO select USB_EHCI_BIG_ENDIAN_DESC - ---help--- + select USB_UHCI_BIG_ENDIAN_MMIO + select USB_UHCI_BIG_ENDIAN_DESC + help If you say Y here if you are running on a SPARC-LEON processor. The LEON processor is a synthesizable VHDL model of the SPARC-v8 standard. LEON is part of the GRLIB collection of @@ -443,7 +368,7 @@ menu "U-Boot options" config UBOOT_LOAD_ADDR hex "uImage Load Address" default 0x40004000 - ---help--- + help U-Boot kernel load address, the address in physical address space where u-boot will place the Linux kernel before booting it. This address is normally the base address of main memory + 0x4000. @@ -451,7 +376,7 @@ config UBOOT_LOAD_ADDR config UBOOT_FLASH_ADDR hex "uImage.o Load Address" default 0x00080000 - ---help--- + help Optional setting only affecting the uImage.o ELF-image used to download the uImage file to the target using a ELF-loader other than U-Boot. It may for example be used to download an uImage to FLASH with @@ -460,7 +385,7 @@ config UBOOT_FLASH_ADDR config UBOOT_ENTRY_ADDR hex "uImage Entry Address" default 0xf0004000 - ---help--- + help Do not change this unless you know what you're doing. This is hardcoded by the SPARC32 and LEON port. @@ -488,24 +413,6 @@ config SUN_LDOMS Say Y here is you want to support virtual devices via Logical Domains. -config PCI - bool "Support for PCI and PS/2 keyboard/mouse" - help - Find out whether your system includes a PCI bus. PCI is the name of - a bus system, i.e. the way the CPU talks to the other stuff inside - your box. If you say Y here, the kernel will include drivers and - infrastructure code to support PCI bus devices. - - CONFIG_PCI is needed for all JavaStation's (including MrCoffee), - CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC. - All of these platforms are extremely obscure, so say N if unsure. - -config PCI_DOMAINS - def_bool PCI if SPARC64 - -config PCI_SYSCALL - def_bool PCI - config PCIC_PCI bool depends on PCI && SPARC32 && !SPARC_LEON @@ -534,10 +441,6 @@ config SPARC_GRPCI2 help Say Y here to include the GRPCI2 Host Bridge Driver. -source "drivers/pci/Kconfig" - -source "drivers/pcmcia/Kconfig" - config SUN_OPENPROMFS tristate "Openprom tree appears in /proc/openprom" help @@ -564,38 +467,12 @@ config SPARC64_PCI_MSI endmenu -menu "Executable file formats" - -source "fs/Kconfig.binfmt" - config COMPAT bool depends on SPARC64 default y - select COMPAT_BINFMT_ELF select HAVE_UID16 select ARCH_WANT_OLD_COMPAT_IPC select COMPAT_OLD_SIGACTION -config SYSVIPC_COMPAT - bool - depends on COMPAT && SYSVIPC - default y - -endmenu - -source "net/Kconfig" - -source "drivers/Kconfig" - source "drivers/sbus/char/Kconfig" - -source "fs/Kconfig" - -source "arch/sparc/Kconfig.debug" - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" |