1b0fac4587
Continuing the work started in 411f0f3edc ...
This enables code with a dma path, that compiles away, to build without
requiring additional code factoring. It also prevents code that calls
dma_alloc_coherent and dma_free_coherent from linking whereas previously
the code would hit a BUG() at run time. Finally, it allows archs that set
!HAS_DMA to delete their asm/dma-mapping.h file.
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: <geert@linux-m68k.org>
Cc: <zippel@linux-m68k.org>
Cc: <spyro@f2s.com>
Cc: <ysato@users.sourceforge.jp>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
253 lines
5.7 KiB
Text
253 lines
5.7 KiB
Text
#
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# For a description of the syntax of this configuration file,
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# see Documentation/kbuild/kconfig-language.txt.
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#
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mainmenu "Linux Kernel Configuration"
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config ARM
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bool
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default y
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config ARM26
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bool
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default y
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config MMU
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bool
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default y
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config NO_DMA
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def_bool y
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config ARCH_ACORN
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bool
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default y
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config CPU_26
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bool
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default y
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config FIQ
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bool
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default y
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# 9 = 512 pages 8 = 256 pages 7 = 128 pages
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config FORCE_MAX_ZONEORDER
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int
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default 9
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config RWSEM_GENERIC_SPINLOCK
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bool
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default y
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config RWSEM_XCHGADD_ALGORITHM
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bool
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config ARCH_HAS_ILOG2_U32
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bool
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default n
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config ARCH_HAS_ILOG2_U64
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bool
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default n
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config GENERIC_HWEIGHT
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bool
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default y
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config GENERIC_CALIBRATE_DELAY
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bool
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default y
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config ZONE_DMA
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bool
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default y
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config GENERIC_ISA_DMA
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bool
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config ARCH_MAY_HAVE_PC_FDC
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bool
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source "init/Kconfig"
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menu "System Type"
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choice
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prompt "Archimedes/A5000 Implementations"
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config ARCH_ARC
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bool "Archimedes"
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help
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Say Y to support the Acorn Archimedes.
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The Acorn Archimedes was an personal computer based on an 8MHz ARM2
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processor, released in 1987. It supported up to 16MB of RAM in
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later models and floppy, harddisc, ethernet etc.
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config ARCH_A5K
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bool "A5000"
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select ARCH_MAY_HAVE_PC_FDC
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help
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Say Y here to support the Acorn A5000.
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Linux can support the
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internal IDE disk and CD-ROM interface, serial and parallel port,
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and the floppy drive. Note that on some A5000s the floppy is
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plugged into the wrong socket on the motherboard.
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config PAGESIZE_16
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bool "2MB physical memory (broken)"
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help
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Say Y here if your Archimedes or A5000 system has only 2MB of
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memory, otherwise say N. The resulting kernel will not run on a
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machine with 4MB of memory.
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endchoice
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endmenu
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config ISA_DMA_API
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bool
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default y
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menu "General setup"
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# Compressed boot loader in ROM. Yes, we really want to ask about
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# TEXT and BSS so we preserve their values in the config files.
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config ZBOOT_ROM
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bool "Compressed boot loader in ROM/flash"
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help
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Say Y here if you intend to execute your compressed kernel image (zImage)
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directly from ROM or flash. If unsure, say N.
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config ZBOOT_ROM_TEXT
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depends on ZBOOT_ROM
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hex "Compressed ROM boot loader base address"
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default "0"
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help
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The base address for zImage. Unless you have special requirements, you
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should not change this value.
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config ZBOOT_ROM_BSS
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depends on ZBOOT_ROM
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hex "Compressed ROM boot loader BSS address"
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default "0"
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help
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The base address of 64KiB of read/write memory, which must be available
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while the decompressor is running. Unless you have special requirements,
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you should not change this value.
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config XIP_KERNEL
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bool "Execute In Place (XIP) kernel image"
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help
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Select this option to create a kernel that can be programmed into
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the OS ROMs.
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comment "At least one math emulation must be selected"
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config FPE_NWFPE
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tristate "NWFPE math emulation"
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---help---
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Say Y to include the NWFPE floating point emulator in the kernel.
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This is necessary to run most binaries. Linux does not currently
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support floating point hardware so you need to say Y here even if
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your machine has an FPA or floating point co-processor module.
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It is also possible to say M to build the emulator as a module
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(nwfpe) or indeed to leave it out altogether. However, unless you
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know what you are doing this can easily render your machine
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unbootable. Saying Y is the safe option.
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You may say N here if you are going to load the Acorn FPEmulator
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early in the bootup.
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source "fs/Kconfig.binfmt"
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config PREEMPT
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bool "Preemptible Kernel (EXPERIMENTAL)"
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depends on CPU_32 && EXPERIMENTAL
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help
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This option reduces the latency of the kernel when reacting to
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real-time or interactive events by allowing a low priority process to
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be preempted even if it is in kernel mode executing a system call.
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This allows applications to run more reliably even when the system is
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under load.
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Say Y here if you are building a kernel for a desktop, embedded
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or real-time system. Say N if you are unsure.
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config ARTHUR
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tristate "RISC OS personality"
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depends on CPU_32
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help
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Say Y here to include the kernel code necessary if you want to run
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Acorn RISC OS/Arthur binaries under Linux. This code is still very
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experimental; if this sounds frightening, say N and sleep in peace.
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You can also say M here to compile this support as a module (which
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will be called arthur).
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config CMDLINE
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string "Default kernel command string"
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default ""
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help
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On some architectures (EBSA110 and CATS), there is currently no way
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for the boot loader to pass arguments to the kernel. For these
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architectures, you should supply some command-line options at build
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time by entering them here. As a minimum, you should specify the
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memory size and the root device (e.g., mem=64M root=/dev/nfs).
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source "mm/Kconfig"
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endmenu
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source "net/Kconfig"
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source "drivers/base/Kconfig"
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source "drivers/parport/Kconfig"
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source "drivers/pnp/Kconfig"
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source "drivers/block/Kconfig"
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source "drivers/md/Kconfig"
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source "drivers/net/Kconfig"
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source "drivers/ide/Kconfig"
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source "drivers/scsi/Kconfig"
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source "drivers/isdn/Kconfig"
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#
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# input before char - char/joystick depends on it. As does USB.
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#
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source "drivers/input/Kconfig"
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source "drivers/char/Kconfig"
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source "drivers/media/Kconfig"
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source "fs/Kconfig"
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source "drivers/video/Kconfig"
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if ARCH_ACORN
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source "sound/Kconfig"
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endif
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source "drivers/misc/Kconfig"
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source "drivers/usb/Kconfig"
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source "arch/arm26/Kconfig.debug"
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source "security/Kconfig"
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source "crypto/Kconfig"
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source "lib/Kconfig"
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