On Thu, Aug 11, 2011 at 08:43, Greg Ungerer <g...@snapgear.com> wrote:
> On 11/08/11 16:15, Sam Ravnborg wrote:
>> On Thu, Aug 11, 2011 at 03:10:21PM +1000, g...@snapgear.com wrote:
>>> diff --git a/arch/m68k/Kconfig.bus b/arch/m68k/Kconfig.bus
>>> new file mode 100644
>>> index 0000000..83263ec
>>> --- /dev/null
>>> +++ b/arch/m68k/Kconfig.bus
>>> @@ -0,0 +1,98 @@
>>> +if MMU
>>> +
>>> +comment "Bus Support"
>>> +
>>> +config EISA
>>> + bool
>>> + help
>>> + The Extended Industry Standard Architecture (EISA) bus was
>>> + developed as an open alternative to the IBM MicroChannel bus.
>>> +
>>> + The EISA bus provided some of the features of the IBM
>>> MicroChannel
>>> + bus while maintaining backward compatibility with cards made
>>> for
>>> + the older ISA bus. The EISA bus saw limited use between 1988
>>> and
>>> + 1995 when it was made obsolete by the PCI bus.
>>> +
>>> + Say Y here if you are building a kernel for an EISA-based
>>> machine.
>>> +
>>> + Otherwise, say N.
>>> +
>>> +config MCA
>>> + bool
>>> + help
>>> + MicroChannel Architecture is found in some IBM PS/2 machines
>>> and
>>> + laptops. It is a bus system similar to PCI or ISA. See
>>> + <file:Documentation/mca.txt> (and especially the web page given
>>> + there) before attempting to build an MCA bus kernel.
>>> +
>>> +config PCMCIA
>>> + tristate
>>> + help
>>> + Say Y here if you want to attach PCMCIA- or PC-cards to your
>>> Linux
>>> + computer. These are credit-card size devices such as network
>>> cards,
>>> + modems or hard drives often used with laptops computers. There
>>> are
>>> + actually two varieties of these cards: the older 16 bit PCMCIA
>>> cards
>>> + and the newer 32 bit CardBus cards. If you want to use CardBus
>>> + cards, you need to say Y here and also to "CardBus support"
>>> below.
>>> +
>>> + To use your PC-cards, you will need supporting software from
>>> David
>>> + Hinds' pcmcia-cs package (see the
>>> file<file:Documentation/Changes>
>>> + for location). Please also read the PCMCIA-HOWTO, available
>>> from
>>> + <http://www.tldp.org/docs.html#howto>.
>>> +
>>> + To compile this driver as modules, choose M here: the
>>> + modules will be called pcmcia_core and ds.
>>> +
>>> +config NUBUS
>>> + bool
>>> + depends on MAC
>>> + default y
>>
>> Do you really need EISA, MCA and PCMIA? They have no promt thus cannot be
>> selected by the user.
>
> Yes, your right, they don't look like than can be selected at all.
> None of the default configs seem to reference them either.
> Geert: do you know why these options might still be around?
Just legacy. There was a time they needed to be there. Let them go!
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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