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01-16-2008, 11:29 AM
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 can Linux directly access Sparc ports? I have a Sparcstation 10. I am thinking it may be possible to replace the SunOS with Linux to gain direct access to things like the parallel port via ioperm. I have had no success getting useful info from Sun on using BPPIOC_SETOUTPINS and/or BPPIOC_SETPARMS ioctl under SunOS, so consider this easier approach. Anyone accessed parallel port on a Sparcstation directly under Linux? Maybe something similar? Are the port addresses posted online somewhere? I am open to suggestions about installing Linux on a Sparc. Dominic      |
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01-16-2008, 11:30 AM
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| Re: can Linux directly access Sparc ports? On Tuesday 18 November 2003 5:43 pm in comp.sys.sun.hardware Dominic-Luc Webb wrote: > > I have a Sparcstation 10. I am thinking it may be possible to replace > the SunOS with Linux to gain direct access to things like the parallel > port via ioperm. I have had no success getting useful info from Sun > on using BPPIOC_SETOUTPINS and/or BPPIOC_SETPARMS ioctl under SunOS, so > consider this easier approach. > > Anyone accessed parallel port on a Sparcstation directly under Linux? > Maybe something similar? Are the port addresses posted online > somewhere? I am open to suggestions about installing Linux on a Sparc. The parallel port drivers in the Sparc Linux kernel have been broken for some time, and there is no maintainer for this module. Feel free to volunteer to fix it, the Sparc Linux kernel team have other more urgent priorities. If you have the time and skills to have a go at this issue the folks on the sparclinux mailing list at vger.kernel.org will almost certainly have whatever documentation exists. http://vger.kernel.org/majordomo-info.html In reality(tm) there is little demand because Sun boxes are usually used with network printers. Both Splack and Debian should work OK on your machine, but the broken printer port drivers affect all. -- My real address is crn (at) netunix (dot) com WARNING all messages containing attachments or html will be silently deleted. Send only plain text. |
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01-16-2008, 11:30 AM
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| Re: can Linux directly access Sparc ports? Dominic-Luc Webb <dlwebb@canit.se> writes: >I have a Sparcstation 10. I am thinking it may be possible to replace >the SunOS with Linux to gain direct access to things like the parallel >port via ioperm. I have had no success getting useful info from Sun >on using BPPIOC_SETOUTPINS and/or BPPIOC_SETPARMS ioctl under SunOS, so >consider this easier approach. SPARC I/O works quite different from IA32 I/O ports; things like ioperm have no meaning in that context (SPARC does not have I/O ports) Which information do you need? Casper -- Expressed in this posting are my opinions. They are in no way related to opinions held by my employer, Sun Microsystems. Statements on Sun products included here are not gospel and may be fiction rather than truth. |
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