linux-kernel - Re: [RFC][PATCH] LED Class support for Soekris net48xx

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Date:	Sat, 22 Jul 2006 23:21:41 -0400
From:	Eric Lammerts <eric@...merts.org>
To:	Chris Boot <bootc@...tc.net>
Cc:	kernel list <linux-kernel@...r.kernel.org>,
	soekris-tech@...ts.soekris.com
Subject: Re: [RFC][PATCH] LED Class support for Soekris net48xx

Chris Boot wrote:
> I'd love to find a way of detecting a Soekris net48xx device
 > but there is no DMI or any Soekris-specific PCI devices.

You could do ugly things like this:

         int i;
         char *bios = __va(0xf0000);

         for(i = 0; i < 0x10000 - 19; i++) {
                 if(memcmp(bios + i, "Soekris Engineering", 19) == 0) {
                         printk("soekris string found at 0x%x\n", i);
                 }
         }

The string "net4801" is also in there (although I'm using a 4826).

If anyone knows a better way, I'd like to know it too.

Eric
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