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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Hi,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>For an internship I have to
port <span class=SpellE>linux</span> to custom made board. I assume I’ll
have to set the memory-map right and make the hardware initialize, set <span
class=GramE>IRQ, ….</span> Browsing trough the kernel source I found that
all that happens within /arch/<span class=SpellE>ppc</span>/platforms and there
are separate files for each board. But how do I start to write my own code. Can
someone give me some pointers or is there any documentation on this subject? This
is what my board is made of:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<ul style='margin-top:0cm' type=disc>
<li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:EN-GB'>64 Mb SDRAM (a PLD copy’s the kernel
to this location (0x00000000))<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:EN-GB'>1 MB boot ram (a PLD copy’s the boot
loader from flash to this location at the end of the memory map)<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:EN-GB'>MMC card reader<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:EN-GB'>Flash 8MB (don’t have to use it though->
the <span class=SpellE>PLD’s</span> use them to copy boot loader and
kernel there)<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1;tab-stops:list 36.0pt'><span
class=SpellE><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Leds</span></font></span><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:
Arial;mso-ansi-language:EN-GB'> that I can use through a PLD-register<o:p></o:p></span></font></li>
</ul>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>The processor is a 405Gr
processor, 1 UART is connected to a V24 <span class=SpellE>iface</span>.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>The boot loader is a striped
version of <span class=SpellE>ppcboot</span>, and is now used to load a self
written RTOS. So I guess I can use that version.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Is there besides this something
else <span class=GramE>I ‘<span class=SpellE>ll</span></span> have to adjust?
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Joachim Denil<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Student @ <span class=SpellE>Karel</span> De Grote
hogeschool Antwerpen (<span class=SpellE>Belgium</span>)<o:p></o:p></span></font></p>
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