config.help

是关于linux2.5.1的完全源码

CONFIG_MTD_SA1100
  This enables access to the flash chips on most platforms based on
  the SA1100 and SA1110, including the Assabet and the Compaq iPAQ.
  If you have such a board, say 'Y'.

CONFIG_MTD_PHYSMAP
  This provides a 'mapping' driver which allows the CFI probe and
  command set driver code to communicate with flash chips which
  are mapped physically into the CPU's memory. You will need to
  configure the physical address and size of the flash chips on
  your particular board as well as the bus width.

CONFIG_MTD_PHYSMAP_START
  This is the physical memory location at which the flash chips
  are mapped on your particular target board. Refer to the
  memory map which should hopefully be in the documentation for
  your board.

CONFIG_MTD_PHYSMAP_LEN
  This is the total length of the mapping of the flash chips on
  your particular board. If there is space, or aliases, in the
  physical memory map between the chips, this could be larger
  than the total amount of flash present. Refer to the memory
  map which should hopefully be in the documentation for your
  board.

CONFIG_MTD_PHYSMAP_BUSWIDTH
  This is the total width of the data bus of the flash devices
  in octets. For example, if you have a data bus width of 32
  bits, you would set the bus width octect value to 4. This is
  used internally by the CFI drivers.

CONFIG_MTD_SUN_UFLASH
  This provides a 'mapping' driver which supports the way in 
  which user-programmable flash chips are connected on various 
  Sun Microsystems boardsets.  This driver will require CFI support 
  in the kernel, so if you did not enable CFI previously, do that now.

CONFIG_MTD_NORA
  If you had to ask, you don't have one. Say 'N'.

CONFIG_MTD_PNC2000
  PNC-2000 is the name of Network Camera product from PHOTRON
  Ltd. in Japan. It uses CFI-compliant flash.

CONFIG_MTD_RPXLITE
  The RPXLite PowerPC board has CFI-compliant chips mapped in
  a strange sparse mapping. This 'mapping' driver supports that
  arrangement, allowing the CFI probe and command set driver code
  to communicate with the chips on the RPXLite board. More at
  <http://www.embeddedplanet.com/rpx_lite_specification_sheet.htm>.

CONFIG_MTD_SC520CDP
  The SC520 CDP board has two banks of CFI-compliant chips and one
  Dual-in-line JEDEC chip. This 'mapping' driver supports that
  arrangement, implementing three MTD devices.

CONFIG_MTD_SBC_GXX
  This provides a driver for the on-board flash of Arcom Control
  Systems' SBC-GXn family of boards, formerly known as SBC-MediaGX.
  By default the flash is split into 3 partitions which are accessed
  as separate MTD devices.  This board utilizes Intel StrataFlash.
  More info at
  <http://www.arcomcontrols.com/products/icp/pc104/processors/>.

CONFIG_MTD_DBOX2
  This enables access routines for the flash chips on the Nokia/Sagem
  D-Box 2 board. If you have one of these boards and would like to use
  the flash chips on it, say 'Y'.

CONFIG_MTD_IQ80310
  This enables access routines for the flash chips on the Intel XScale
  IQ80310 evaluation board. If you have one of these boards and would 
  like to use the flash chips on it, say 'Y'.

CONFIG_MTD_NETSC520
  This enables access routines for the flash chips on the AMD NetSc520
  demonstration board. If you have one of these boards and would like 
  to use the flash chips on it, say 'Y'.

CONFIG_MTD_ELAN_104NC
  This provides a driver for the on-board flash of the Arcom Control
  System's ELAN-104NC development board. By default the flash
  is split into 3 partitions which are accessed as separate MTD
  devices. This board utilizes Intel StrataFlash. More info at
  <http://www.arcomcontrols.com/products/icp/pc104/processors/>.

CONFIG_MTD_DC21285
  This provides a driver for the flash accessed using Intel's
  21285 bridge used with Intel's StrongARM processors. More info at
  <http://developer.intel.com/design/bridge/quicklist/dsc-21285.htm>.

CONFIG_MTD_CSTM_MIPS_IXX
  This provides a mapping driver for the Integrated Tecnology Express,
  Inc (ITE) QED-4N-S01B eval board and the Globespan IVR Reference
  Board.  It provides the necessary addressing, length, buswidth, vpp
  code and addition setup of the flash device for these boards.  In
  addition, this mapping driver can be used for other boards via
  setting of the CONFIG_MTD_CSTM_MIPS_IXX_START/LEN/BUSWIDTH
  parameters.  This mapping will provide one mtd device using one
  partition.  The start address can be offset from the beginning of
  flash and the len can be less than the total flash device size to
  allow a window into the flash.  Both CFI and JEDEC probes are
  called.

CONFIG_MTD_CSTM_MIPS_IXX_START
  This is the physical memory location that the MTD driver will
  use for the flash chips on your particular target board. 
  Refer to the memory map which should hopefully be in the 
  documentation for your board.

CONFIG_MTD_CSTM_MIPS_IXX_LEN
  This is the total length that the MTD driver will use for the 
  flash chips on your particular board.  Refer to the memory
  map which should hopefully be in the documentation for your
  board.

CONFIG_MTD_CSTM_MIPS_IXX_BUSWIDTH
  This is the total bus width of the mapping of the flash chips
  on your particular board.

CONFIG_MTD_MIXMEM
  This supports the paging arrangement for access to flash chips
  on the MixCOM piggyback card, allowing the flash chip drivers
  to get on with their job of driving the flash chips without
  having to know about the paging. If you have one of these boards,
  you probably want to enable this mapping driver. More info is at
  <http://www.itc.hu/>.

CONFIG_MTD_OCTAGON
  This provides a 'mapping' driver which supports the way in which
  the flash chips are connected in the Octagon-5066 Single Board
  Computer. More information on the board is available at
  <http://www.octagonsystems.com/Products/5066/5066.html>.

CONFIG_MTD_VMAX
  This provides a 'mapping' driver which supports the way in which
  the flash chips are connected in the Tempustech VMAX SBC301 Single
  Board Computer. More information on the board is available at
  <http://www.tempustech.com/tt301.htm>.

CONFIG_MTD_CFI_FLAGADM
  Mapping for the Flaga digital module.  If you don磘 have one, ignore
  this setting.

CONFIG_MTD_OCELOT
  This enables access routines for the boot flash device and for the
  NVRAM on the Momenco Ocelot board.  If you have one of these boards
  and would like access to either of these, say 'Y'.

CONFIG_MTD_CDB89712
  This enables access to the flash or ROM chips on the CDB89712 board.
  If you have such a board, say 'Y'.

CONFIG_MTD_L440GX
  Support for treating the BIOS flash chip on Intel L440GX motherboards
  as an MTD device - with this you can reprogram your BIOS.

  BE VERY CAREFUL.

CONFIG_MTD_SOLUTIONENGINE
  This enables access to the flash chips on the Hitachi SolutionEngine and
  similar boards. Say 'Y' if you are building a kernel for such a board.

CONFIG_MTD_TQM8XXL
  The TQM8xxL PowerPC board has up to two banks of CFI-compliant
  chips, currently uses AMD one. This 'mapping' driver supports
  that arrangement, allowing the CFI probe and command set driver
  code to communicate with the chips on the TQM8xxL board. More at
  <http://www.denx.de/embedded-ppc-en.html>.