[ts-7000] memory address confusion

To:
Subject:	[ts-7000] memory address confusion
From:	Don Tucker <>
Date:	Mon, 04 Jun 2012 17:46:24 -0500

I'm attempting to decipher this documentation

http://wiki.embeddedarm.com/wiki/TS-ETH2

to determine the proper address to point to in order to access the ASIX
AX88796B memory registers.

I'm using a TS-7260 base board (pc104_base = 0x11e00000).

The documentation says that with my jumper configuration (JP1 and JP2
off), the PLD base address is 0x280 for the TS-ETH2, and the base
address for port 1 is 0x100 and the base address for port 2 is 0x140.

When I load the driver for the AX88796B I might type "insmod
ts-dual-eth1.o mem=0x100 irq=22".

So, if I want to access the AX88796B memory registers, do I point to
0x11e00000 + 0x280 + 0x100?  Or does the AX88796B driver already take
into account the base address and peripheral board offset?


Don

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