diff options
Diffstat (limited to 'arch/microblaze/Kconfig')
| -rw-r--r-- | arch/microblaze/Kconfig | 222 |
1 files changed, 71 insertions, 151 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index d22a4ecffff4..484ebb3baedf 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -1,46 +1,66 @@ +# SPDX-License-Identifier: GPL-2.0-only config MICROBLAZE def_bool y - select HAVE_MEMBLOCK - select HAVE_MEMBLOCK_NODE_MAP - select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_TRACE_MCOUNT_TEST - select HAVE_FUNCTION_GRAPH_TRACER - select HAVE_DYNAMIC_FTRACE - select HAVE_FTRACE_MCOUNT_RECORD - select ARCH_WANT_OPTIONAL_GPIOLIB - select HAVE_OPROFILE - select HAVE_ARCH_KGDB - select HAVE_DMA_ATTRS - select HAVE_DMA_API_DEBUG - select TRACING_SUPPORT - select OF - select OF_EARLY_FLATTREE + select ARCH_32BIT_OFF_T + select ARCH_NO_SWAP + select ARCH_HAS_DMA_PREP_COHERENT + select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_SYNC_DMA_FOR_CPU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_WANT_IPC_PARSE_VERSION - select HAVE_DEBUG_KMEMLEAK - select IRQ_DOMAIN - select HAVE_GENERIC_HARDIRQS - select VIRT_TO_BUS + select BUILDTIME_TABLE_SORT + select TIMER_OF + select CLONE_BACKWARDS3 + select COMMON_CLK + select DMA_DIRECT_REMAP + select GENERIC_ATOMIC64 + select GENERIC_CPU_DEVICES + select GENERIC_IDLE_POLL_SETUP select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select GENERIC_PCI_IOMAP - select GENERIC_CPU_DEVICES - select GENERIC_ATOMIC64 - select GENERIC_CLOCKEVENTS - select GENERIC_IDLE_POLL_SETUP + select GENERIC_SCHED_CLOCK + select HAS_IOPORT if PCI + select HAVE_ARCH_HASH + select HAVE_ARCH_KGDB + select HAVE_ARCH_SECCOMP + select HAVE_DEBUG_KMEMLEAK + select HAVE_DMA_CONTIGUOUS + select HAVE_DYNAMIC_FTRACE + select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_TRACER + select HAVE_PAGE_SIZE_4KB + select HAVE_PCI + select IRQ_DOMAIN + select XILINX_INTC select MODULES_USE_ELF_RELA - select CLONE_BACKWARDS - -config SWAP - def_bool n + select OF + select OF_EARLY_FLATTREE + select PCI_DOMAINS_GENERIC if PCI + select PCI_SYSCALL if PCI + select CPU_NO_EFFICIENT_FFS + select MMU_GATHER_NO_RANGE + select SPARSE_IRQ + select ZONE_DMA + select TRACE_IRQFLAGS_SUPPORT + select GENERIC_IRQ_MULTI_HANDLER + +# Endianness selection +choice + prompt "Endianness selection" + default CPU_LITTLE_ENDIAN + help + microblaze architectures can be configured for either little or + big endian formats. Be sure to select the appropriate mode. -config RWSEM_GENERIC_SPINLOCK - def_bool y +config CPU_BIG_ENDIAN + bool "Big endian" -config ZONE_DMA - def_bool y +config CPU_LITTLE_ENDIAN + bool "Little endian" -config RWSEM_XCHGADD_ALGORITHM - bool +endchoice config ARCH_HAS_ILOG2_U32 def_bool n @@ -63,29 +83,14 @@ config STACKTRACE_SUPPORT config LOCKDEP_SUPPORT def_bool y -config HAVE_LATENCYTOP_SUPPORT - def_bool y - -source "init/Kconfig" - -source "kernel/Kconfig.freezer" - -source "arch/microblaze/platform/Kconfig.platform" +source "arch/microblaze/Kconfig.platform" menu "Processor type and features" -source "kernel/Kconfig.preempt" - source "kernel/Kconfig.hz" config MMU - bool "MMU support" - default n - -config NO_MMU - bool - depends on !MMU - default y + def_bool y comment "Boot options" @@ -110,26 +115,13 @@ config CMDLINE_FORCE Set this to have arguments from the default kernel command string override those passed by the boot loader. -config SECCOMP - bool "Enable seccomp to safely compute untrusted bytecode" - depends on 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. - endmenu -menu "Advanced setup" +menu "Kernel features" + +config NR_CPUS + int + default "1" config ADVANCED_OPTIONS bool "Prompt for advanced kernel configuration options" @@ -144,18 +136,9 @@ config ADVANCED_OPTIONS comment "Default settings for advanced configuration options are used" depends on !ADVANCED_OPTIONS -config XILINX_UNCACHED_SHADOW - bool "Are you using uncached shadow for RAM ?" - depends on ADVANCED_OPTIONS && !MMU - default n - help - This is needed to be able to allocate uncachable memory regions. - The feature requires the design to define the RAM memory controller - window to be twice as large as the actual physical memory. - config HIGHMEM bool "High memory support" - depends on MMU + select KMAP_LOCAL help The address space of Microblaze processors is only 4 Gigabytes large and it has to accommodate user address space, kernel address @@ -168,7 +151,7 @@ config HIGHMEM config LOWMEM_SIZE_BOOL bool "Set maximum low memory" - depends on ADVANCED_OPTIONS && MMU + depends on ADVANCED_OPTIONS help This option allows you to set the maximum amount of memory which will be used as "low memory", that is, memory which the kernel can @@ -206,12 +189,11 @@ config KERNEL_START_BOOL config KERNEL_START hex "Virtual address of kernel base" if KERNEL_START_BOOL - default "0xc0000000" if MMU - default KERNEL_BASE_ADDR if !MMU + default "0xc0000000" config TASK_SIZE_BOOL bool "Set custom user task size" - depends on ADVANCED_OPTIONS && MMU + depends on ADVANCED_OPTIONS help This option allows you to set the amount of virtual address space allocated to user tasks. This can be useful in optimizing the @@ -223,76 +205,14 @@ config TASK_SIZE hex "Size of user task space" if TASK_SIZE_BOOL default "0x80000000" -choice - prompt "Page size" - default MICROBLAZE_4K_PAGES - depends on ADVANCED_OPTIONS && !MMU +config MB_MANAGER + bool "Support for Microblaze Manager" + depends on ADVANCED_OPTIONS help - Select the kernel logical page size. Increasing the page size - will reduce software overhead at each page boundary, allow - hardware prefetch mechanisms to be more effective, and allow - larger dma transfers increasing IO efficiency and reducing - overhead. However the utilization of memory will increase. - For example, each cached file will using a multiple of the - page size to hold its contents and the difference between the - end of file and the end of page is wasted. - - If unsure, choose 4K_PAGES. - -config MICROBLAZE_4K_PAGES - bool "4k page size" - -config MICROBLAZE_16K_PAGES - bool "16k page size" - -config MICROBLAZE_64K_PAGES - bool "64k page size" - -endchoice - -config KERNEL_PAD - hex "Kernel PAD for unpacking" if ADVANCED_OPTIONS - default "0x80000" if MMU - -endmenu + This option enables API for configuring the MicroBlaze manager + control register, which is consumed by the break handler to + block the break. -source "mm/Kconfig" - -menu "Executable file formats" - -source "fs/Kconfig.binfmt" - -endmenu - -menu "Bus Options" - -config PCI - bool "PCI support" - -config PCI_DOMAINS - def_bool PCI - -config PCI_SYSCALL - def_bool PCI - -config PCI_XILINX - bool "Xilinx PCI host bridge support" - depends on PCI - -source "drivers/pci/Kconfig" + Say N here unless you know what you are doing. endmenu - -source "net/Kconfig" - -source "drivers/Kconfig" - -source "fs/Kconfig" - -source "arch/microblaze/Kconfig.debug" - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" |