From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karl Hiramoto Subject: Re: PCI IRQ Pins Date: Thu, 21 May 2009 21:12:21 +0200 Message-ID: <4A15A795.4090100@hiramoto.org> References: <4A13EC76.3020206@hiramoto.org> <20090520205151.GC4095@n2100.arm.linux.org.uk> <4A14F160.6080605@hiramoto.org> <4A150B9A.7080700@hiramoto.org> <4A1568FB.20508@ru.mvista.com> <4A156A21.2060108@hiramoto.org> <4A156E36.6080806@hiramoto.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ath9k-devel-bounces@lists.ath9k.org Errors-To: ath9k-devel-bounces@lists.ath9k.org To: Krzysztof Halasa Cc: Sergei Shtylyov , linux-ide@vger.kernel.org, "ath9k-devel@lists.ath9k.org" , Russell King - ARM Linux , linux-arm-kernel List-Id: linux-ide@vger.kernel.org Krzysztof Halasa wrote: > Karl Hiramoto writes: > > >> Sorry, think i misspoke, after reading the IXP4xx dev manual it says >> 66Mhz PCI version 2.2. >> > > Typically the PCI clock on IXP4xx is 33 MHz but your board can use any > value from 0 to 66.666 MHz. Most wifi cards don't work with 66 MHz, > though. The only card working @ 66 MHz for me is CM9 (all cards I have > fail to connect the M66EN line to ground, so they simply don't work > instead of forcing 33 MHz clock). They are all based on ath5 chips. > checking IXP4XX_EXP_CFG0 bit 4 is 0 so PCI_CLK should be 33mhz So i shouldn't have to tie the M66EN to ground. -- Karl