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-General Description
-===================
-
-This driver supports the 53c700 and 53c700-66 chips.  It also supports
-the 53c710 but only in 53c700 emulation mode.  It is full featured and
-does sync (-66 and 710 only), disconnects and tag command queueing.
-
-Since the 53c700 must be interfaced to a bus, you need to wrapper the
-card detector around this driver.  For an example, see the
-NCR_D700.[ch] or lasi700.[ch] files.
-
-The comments in the 53c700.[ch] files tell you which parts you need to
-fill in to get the driver working.
-
-
-Compile Time Flags
-==================
-
-A compile time flag is:
-
-CONFIG_53C700_LE_ON_BE
-
-define if the chipset must be supported in little endian mode on a big
-endian architecture (used for the 700 on parisc).
-
-
-Using the Chip Core Driver
-==========================
-
-In order to plumb the 53c700 chip core driver into a working SCSI
-driver, you need to know three things about the way the chip is wired
-into your system (or expansion card).
-
-1. The clock speed of the SCSI core
-2. The interrupt line used
-3. The memory (or io space) location of the 53c700 registers.
-
-Optionally, you may also need to know other things, like how to read
-the SCSI Id from the card bios or whether the chip is wired for
-differential operation.
-
-Usually you can find items 2. and 3. from general spec. documents or
-even by examining the configuration of a working driver under another
-operating system.
-
-The clock speed is usually buried deep in the technical literature.
-It is required because it is used to set up both the synchronous and
-asynchronous dividers for the chip.  As a general rule of thumb,
-manufacturers set the clock speed at the lowest possible setting
-consistent with the best operation of the chip (although some choose
-to drive it off the CPU or bus clock rather than going to the expense
-of an extra clock chip).  The best operation clock speeds are:
-
-53c700 - 25MHz
-53c700-66 - 50MHz
-53c710 - 40Mhz
-
-Writing Your Glue Driver
-========================
-
-This will be a standard SCSI driver (I don't know of a good document
-describing this, just copy from some other driver) with at least a
-detect and release entry.
-
-In the detect routine, you need to allocate a struct
-NCR_700_Host_Parameters sized memory area and clear it (so that the
-default values for everything are 0).  Then you must fill in the
-parameters that matter to you (see below), plumb the NCR_700_intr
-routine into the interrupt line and call NCR_700_detect with the host
-template and the new parameters as arguments.  You should also call
-the relevant request_*_region function and place the register base
-address into the `base' pointer of the host parameters.
-
-In the release routine, you must free the NCR_700_Host_Parameters that
-you allocated, call the corresponding release_*_region and free the
-interrupt.
-
-Handling Interrupts
--------------------
-
-In general, you should just plumb the card's interrupt line in with 
-
-request_irq(irq, NCR_700_intr, <irq flags>, <driver name>, host);
-
-where host is the return from the relevant NCR_700_detect() routine.
-
-You may also write your own interrupt handling routine which calls
-NCR_700_intr() directly.  However, you should only really do this if
-you have a card with more than one chip on it and you can read a
-register to tell which set of chips wants the interrupt.
-
-Settable NCR_700_Host_Parameters
---------------------------------
-
-The following are a list of the user settable parameters:
-
-clock: (MANDATORY)
-
-Set to the clock speed of the chip in MHz.
-
-base: (MANDATORY)
-
-set to the base of the io or mem region for the register set. On 64
-bit architectures this is only 32 bits wide, so the registers must be
-mapped into the low 32 bits of memory.
-
-pci_dev: (OPTIONAL)
-
-set to the PCI board device.  Leave NULL for a non-pci board.  This is
-used for the pci_alloc_consistent() and pci_map_*() functions.
-
-dmode_extra: (OPTIONAL, 53c710 only)
-
-extra flags for the DMODE register.  These are used to control bus
-output pins on the 710.  The settings should be a combination of
-DMODE_FC1 and DMODE_FC2.  What these pins actually do is entirely up
-to the board designer.  Usually it is safe to ignore this setting.
-
-differential: (OPTIONAL)
-
-set to 1 if the chip drives a differential bus.
-
-force_le_on_be: (OPTIONAL, only if CONFIG_53C700_LE_ON_BE is set)
-
-set to 1 if the chip is operating in little endian mode on a big
-endian architecture.
-
-chip710: (OPTIONAL)
-
-set to 1 if the chip is a 53c710.
-
-burst_disable: (OPTIONAL, 53c710 only)
-
-disable 8 byte bursting for DMA transfers.
-