From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael =?UTF-8?B?QsO8c2No?= <m@bues.ch>
Date: Tue, 30 Aug 2011 01:46:35 +0200
Subject: BCM4321 support
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On Mon, 29 Aug 2011 11:36:20 -0500
Larry Finger <Larry.Finger@lwfinger.net> wrote:

> The firmware has its own private memory and it shares some memory with the host 
> CPU

The firmware does not share any memory with the host CPU. The memory is called
"shared memory", but that is a misnomer. The host CPU accesses that memory
by memory mapped I/O. Firmware can do DMA only indirectly through the
TX and RX engines.

-- 
Greetings, Michael.