From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tony Lindgren <tony@atomide.com>
Subject: Re: Reading/Writing to MMC without interrupt handler
Date: Mon, 3 Apr 2006 07:24:01 -0700
Message-ID: <20060403142359.GB13009@atomide.com>
References: <200604011304.36250.husamsenussi@gmail.com>
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To: Husam <husamsenussi@gmail.com>
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* Husam <husamsenussi@gmail.com> [060401 04:53]:
> Hi,
> 
> I guess this stupid question, but I'm going to asked anyway :)
> 
> I'm adding ipaq h6300 support to u-boot which based OMAP1510 processer, I want 
> to allow u-boot to load an kernel image from MMC/SD card.
> 
> I did make the changes but I'm having problem reading from the MMC card 
> (Getting Data Timeout) ,
> 
> At the moment I'm polling for the status without using irq, and that seems to 
> work for configuring the card and reading manufacturer information like date, 
> serial number  etc.
> 
> mca_vsn : 03
> cmdclass : 1F5
> tacc_clks: 00
> tacc_ns  : 4C4B400
> max_dtr  : 1312D00
> read_blkbits: 9
> capacity    : 1003520
> Manufacturer ID = 0000049A
> HW/FW Revision = 0 0
> Product Name = MMC
> Serial Number = 0000049a
> Month = 12
> Year = 2004
> 
> My question is it passible to do that without having to enable irq and using 
> interrupt handler?

Yes, it should be doable.

Tony