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<font color="#FFFFFF" size="5" face="Arial, Helvetica, sans-serif"><strong>Embedded SDIO Driver Kit Help </strong></font></td>
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<p class="BODYTEXT">To begin using the embedded SDIO Driver Kit you will need
to set up the development and target environments. The development environment
is
typically a PC/workstation where the SDIO kit header files, libraries
and tools are installed. The target's operating system build
tools
and
build environment should also be installed on this system. </p>
<p class="BODYTEXT">The target system contains
the host controller
hardware and target operating system hosting the SDIO stack binaries. Make
sure your target platform meets the requirements of the SDIO stack.</p>
<p class="BODYTEXT">Information on setting up development and target environment
can be found in this help for each supported operating system:</p>
<table width="50%" border="0" align="center">
<tr>
<td align="center"><div align="center"><font face="Arial, Helvetica, sans-serif"><a href="#Install">Program installation</a></font></div></td>
</tr>
<tr>
<td align="center"><div align="center"><font face="Arial, Helvetica, sans-serif"><a href="#DKernelSrc">Download kernel
source</a></font></div></td>
</tr>
<tr>
<td align="center"><div align="center"><font face="Arial, Helvetica, sans-serif"><a href="#KernelSrc">Install kernel
source</a></font></div></td>
</tr>
<tr>
<td align="center"><div align="center"><font face="Arial, Helvetica, sans-serif"><a href="#TestMem">Testing the stack
using memory cards</a></font></div></td>
</tr>
<tr>
<td align="center"><div align="center"><font face="Arial, Helvetica, sans-serif"><a href="#Build">Building the sample
driver</a></font></div></td>
</tr>
</table>
<div align="center"></div>
<p class="BODYTEXT"> </p>
<p class="BODYTEXT">Linux : </p>
<p class="BODYTEXT"><strong><a name="Install"></a>-To run the installation program:</strong></p>
<p class="BODYTEXT">#sh ./install.bin</p>
<p class="BODYTEXT"><strong><a name="DKernelSrc"></a>-To download linux kernel
source code :</strong></p>
<p class="BODYTEXT">You can download the x86-FC3 kernel (kernel-2.6.9-1.667.src.rpm)
from <a href="http://download.fedora.redhat.com/pub/fedora/linux/core/3/SRPMS" target="_blank">http://download.fedora.redhat.com/pub/fedora/linux/core/3/SRPMS</a></p>
<p class="BODYTEXT"><strong><a name="KernelSrc"></a>-install the kernel source:</strong></p>
<p class="BODYTEXT">#rpm -iv kernel-2.6.9-1.667.src.rpm <br>
the resulting source
should be placed into:<br>
/usr/src/redhat/BUILD/kernel-2.6.9/linux-2.6.9</p>
<p class="BODYTEXT">
<strong>For linux kernels 2.6 or higher the SDIO bus driver uses
the PnP subsystem to register device instances. In order to enable
the PnP subsystem on non-x86 platforms, you must modify the <font face="Courier New, Courier, mono">Kconfig</font> file
located in <font face="Courier New, Courier, mono">/drivers/pnp</font>.
Comment
out the line: "<font face="Courier New, Courier, mono"> depends on ISA</font>".
You will then need to run "<font face="Courier New, Courier, mono">make
menuconfig</font>" and select "<font face="Courier New, Courier, mono">Plug and Play Support</font>".
You do not need to enable "<font face="Courier New, Courier, mono">ISA
Plug and Play</font>" or "<font face="Courier New, Courier, mono">PnP
Debug Messages</font>"</strong>.
</p>
<p class="BODYTEXT">Perform an RPM Build:<br>
#<font face="Courier New, Courier, mono">rpmbuild -bp --target=i586 /usr/src/redhat/SPEC/kernel-2.6.spec</font></p>
<p class="BODYTEXT">Now you will need to make the source. From the linux-2.6.9
directory type <font face="Courier New, Courier, mono">make</font>. The make
will take some time on your machine.<br>
<br>
Note: if you install your Linux source in a different directory, you will
need to modify the <font face="Courier New, Courier, mono">localmake.linux.inc</font> to
have the <font face="Courier New, Courier, mono">CT_LINUXPATH</font> point
to the source directory. This file is located in your product src install
directory.</p>
<p class="BODYTEXT"><strong><a name="TestMem"></a>-Testing the stack operation using an SD or MMC memory card:</strong></p>
<p class="BODYTEXT">Copy the stack modules from the modules directory to your
target machine along with the script <font face="Courier New, Courier, mono">loadsdiosample.scr</font>.
Run the load script (you may need to be root to run this script). The script
will load the stack modules. You can unload the stack using the command: "<font face="Courier New, Courier, mono">./loadsdiosample.scr
unloadall</font>". To test and mount a memory card do the following:</p>
<p class="BODYTEXT">1. Insert the SD or MMC card<br>
2. look for the major number assigned to the card:<br>
<font face="Courier New, Courier, mono">#cat /proc/devices</font><br>
Under the "Block devices" you should see the sdio card listed with
a number such as 253 or 254. Assume 253 for this example.<br>
3. Create a device node for the block device:<br>
<font face="Courier New, Courier, mono">#mknod /dev/sdio0p1
b 253 1</font><br>
(use the assigned block number in place of 253)<br>
4. Create a directory to mount the card to:<br>
#<font face="Courier New, Courier, mono">mkdir /mnt/mmc</font><br>
5. Mounting the card<br>
#<font face="Courier New, Courier, mono">mount -t vfat /dev/sdio0p1 /mnt/mmc</font><br>
6. the card should be available to the system, e.g.:<br>
#<font face="Courier New, Courier, mono">ls /mnt/mmc<br>
</font>7. To remove the card, unmount it:<br>
#<font face="Courier New, Courier, mono">umount /mnt/mmc</font></p>
<p class="BODYTEXT">Note, these operations
can be automated by updating <font face="Courier New, Courier, mono">/etc/fstab</font> and
using <font face="Courier New, Courier, mono">udev</font>.<font face="Courier New, Courier, mono"><br>
</font></p>
<p class="BODYTEXT"><strong><a name="Build"></a>-Building the sample
driver:</strong></p>
<p class="BODYTEXT">1. Change to the install <font face="Courier New, Courier, mono">src</font> directory.<br>
2. Test the build:<br>
#<font face="Courier New, Courier, mono">./build.scr</font><br>
The sample driver should build without errors (warnings for library references
are OK).<br>
3. Modify the sample driver to match your peripheral device.<br>
In the file <font face="Courier New, Courier, mono">src/function/sample/linux/sample_os.c</font>, modify the following structure:
<pre>static SD_PNP_INFO Ids[] = {
{.SDIO_ManufacturerID = 0x100, /* specific SDIO card */
.SDIO_ManufacturerCode = 0x303,
.SDIO_FunctionNo = 1},
{}
};
</pre>
<p>Replace the 0x100 and 0x303 with the identification of your card.<br>
4.
Then rebuild
the sample function driver module and move the resulting <font face="Courier New, Courier, mono">sdio_sample_fd.ko</font> to target machine.<br>
5. Load the new sample driver, by first stopping the current and reloading
the new one:<br>
#<font face="Courier New, Courier, mono">rmmod sdio_sample_fd</font><br>
#<font face="Courier New, Courier, mono">insmod sdio_sample_fd.ko</font><br>
6. Now insert the your peripheral card. Debug messages should be printed
indicating your card was detected and assigned to the sample driver.<br>
7. Setting up the test application to communicate with the sdio_sample_fd
module:<br>
a)*. Locate the assigned major number:<br>
#<font face="Courier New, Courier, mono">cat /proc/devices</font> <br>
Locate the major number for sdiosam0 under the Character Devices, for example
253.
<br>
b)*. Create a device node for it:<br>
#<font face="Courier New, Courier, mono">mknod /dev/sdiosam0 c 253 0</font><br>
(use the actual major number in place of 253)<br>
c). Copy the test application to the target system from <font face="Courier New, Courier, mono">src/function/sample/linux/testapp/testcmd</font><br>
d. run the test application,. The application allows you read and write using
CMD52 and CMD53 to your device, e.g.:<br>
testcmd -r 0<br>
Read register offset 0 with a CMD52.</p>
<p>Note: steps a) and b) can be automated using the <font face="Courier New, Courier, mono">makesdiosampledev.scr </font>script.</p>
<p> </p>
<p class="BODYTEXT"> </p>
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