# SPDX-License-Identifier: GPL-2.0-only
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#
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# EISA configuration
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#
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config HAVE_EISA
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bool
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menuconfig EISA
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bool "EISA support"
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depends on HAVE_EISA
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help
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The Extended Industry Standard Architecture (EISA) bus was
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developed as an open alternative to the IBM MicroChannel bus.
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The EISA bus provided some of the features of the IBM MicroChannel
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bus while maintaining backward compatibility with cards made for
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the older ISA bus. The EISA bus saw limited use between 1988 and
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1995 when it was made obsolete by the PCI bus.
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Say Y here if you are building a kernel for an EISA-based machine.
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Otherwise, say N.
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config EISA_VLB_PRIMING
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bool "Vesa Local Bus priming"
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depends on X86 && EISA
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default n
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help
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Activate this option if your system contains a Vesa Local
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Bus (VLB) card that identify itself as an EISA card (such as
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the Adaptec AHA-284x).
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When in doubt, say N.
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config EISA_PCI_EISA
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bool "Generic PCI/EISA bridge"
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depends on !PARISC && PCI && EISA
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default y
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help
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Activate this option if your system contains a PCI to EISA
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bridge. If your system have both PCI and EISA slots, you
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certainly need this option.
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When in doubt, say Y.
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# Using EISA_VIRTUAL_ROOT on something other than an Alpha or
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# an X86 may lead to crashes...
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config EISA_VIRTUAL_ROOT
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bool "EISA virtual root device"
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depends on EISA && (ALPHA || X86)
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default y
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help
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Activate this option if your system only have EISA bus
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(no PCI slots). The Alpha Jensen is an example of such
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a system.
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When in doubt, say Y.
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config EISA_NAMES
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bool "EISA device name database"
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depends on EISA
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default y
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help
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By default, the kernel contains a database of all known EISA
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device names to make the information in sysfs comprehensible
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to the user. This database increases size of the kernel
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image by about 40KB, but it gets freed after the system
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boots up, so it doesn't take up kernel memory. Anyway, if
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you are building an installation floppy or kernel for an
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embedded system where kernel image size really matters, you
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can disable this feature and you'll get device ID instead of
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names.
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When in doubt, say Y.
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