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Date:      Wed, 31 May 2000 17:31:01 -0700
From:      Mike Smith <msmith@freebsd.org>
To:        Joy Ganguly <joy@niksun.com>
Cc:        freebsd-hackers <freebsd-hackers@freeBSD.org>
Subject:   Re: S5933 PCI Adapter..?? 
Message-ID:  <200006010031.RAA02574@mass.cdrom.com>
In-Reply-To: Your message of "Fri, 26 May 2000 11:45:18 EDT." <392E9C0E.4B9EB0FB@falcon.niksun.com> 

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> hi all,
> 
> i have a atm oc3 care which uses the amcc S5933 PCI adapter. however the
> driver reports "unable to map mem" at boot time. i used pciconf to read
> the configuration space base address registers and all of them showed
> 0x00000000. however when i write all 1's t the base registers they give
> me the proper mask. the device and vendor id configuration registers
> show the right values. i think the bios is unable to assign physical
> addresses.

If you don't have "PnP OS" set, and the card doesn't get resources
assigned, this means that there's a resource conflict that prevents the
card from being configured.

> how can i solve this problem?? one way out is to have the driver assign
> physical addresses to map the pci space. however for that i need the
> physical map...what data structure holds that??

Either turn "PnP OS" off, or fix the card/system.  The driver can't do 
resource assignment like you're talking about.

-- 
\\ Give a man a fish, and you feed him for a day. \\  Mike Smith
\\ Tell him he should learn how to fish himself,  \\  msmith@freebsd.org
\\ and he'll hate you for a lifetime.             \\  msmith@cdrom.com




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