From: Tony Lindgren <tony@atomide.com>
To: Husam <husamsenussi@gmail.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: Reading/Writing to MMC without interrupt handler
Date: Mon, 3 Apr 2006 07:24:01 -0700 [thread overview]
Message-ID: <20060403142359.GB13009@atomide.com> (raw)
In-Reply-To: <200604011304.36250.husamsenussi@gmail.com>
* 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
next prev parent reply other threads:[~2006-04-03 14:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-01 12:04 Reading/Writing to MMC without interrupt handler Husam
2006-04-03 14:24 ` Tony Lindgren [this message]
2006-04-03 20:52 ` Husam
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