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From: Eric Valette <eric.valette@free.fr>
To: eric.valette@free.fr
Cc: Russell King <rmk@arm.linux.org.uk>, linux-serial@vger.kernel.org
Subject: Re: ST16C554 Serial device driver
Date: Wed, 22 Sep 2004 13:51:59 +0200	[thread overview]
Message-ID: <4151675F.3040901@free.fr> (raw)
In-Reply-To: <4150200F.7020407@free.fr>


> What is more suspect is the 0x287 (0x2a7) and register address that is 
> described in the manufacturer documentation of the PC104 board that says 
> : "When the same IRQ is shared by the 4 ports, the card uses 2 registers 
> at 287H, one to valid the interrupts and the other to read back the 4 
> interrupt status". The attached pictures gives the signification of the 

Enabling the IRQ via the additionnal 0x287 port, makes the driver 
receive interrupt and work. I have added a samm program that is called 
at the end of init setserial command...

-- 
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   /  `                   	Eric Valette
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(___, / (_(_(__         	35740 Pace

Tel: +33 (0)2 99 85 26 76	Fax: +33 (0)2 99 85 26 76
E-mail: eric.valette@free.fr

      parent reply	other threads:[~2004-09-22 11:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-21 10:40 ST16C554 Serial device driver Eric Valette
2004-09-21 11:08 ` Roman Kurakin
2004-09-21 12:09 ` Russell King
2004-09-21 12:35   ` Eric Valette
2004-09-21 12:54     ` Russell King
2004-09-21 13:13       ` Eric Valette
2004-09-21 13:47         ` Eric Valette
2004-09-22 11:51     ` Eric Valette [this message]

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