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From: "Michael Büsch" <m@bues.ch>
To: b43-dev@lists.infradead.org
Subject: BCM4321 support
Date: Tue, 30 Aug 2011 01:46:35 +0200	[thread overview]
Message-ID: <20110830014635.2c0623d8@milhouse> (raw)
In-Reply-To: <4E5BC004.8060608@lwfinger.net>

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.

      parent reply	other threads:[~2011-08-29 23:46 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-24 16:33 BCM4321 support Octavian Voicu
2011-08-24 16:42 ` Octavian Voicu
2011-08-24 16:55 ` Rafał Miłecki
2011-08-24 18:32   ` Octavian Voicu
2011-08-24 21:11     ` Rafał Miłecki
2011-08-27 14:57   ` Octavian Voicu
2011-08-27 18:13     ` Gábor Stefanik
2011-08-28 16:59       ` Octavian Voicu
2011-08-28 21:43         ` Larry Finger
2011-08-29 13:08           ` Octavian Voicu
2011-08-29 16:36             ` Larry Finger
2011-08-29 21:42               ` Nicolas de Pesloüan
2011-08-29 23:33               ` Octavian Voicu
2011-08-30  6:46                 ` Nicolas de Pesloüan
2011-08-29 23:46               ` Michael Büsch [this message]

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