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<p class=MsoNormal><span class=SpellE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Dear</span></font></span><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> list,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><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'>When booting <span
class=SpellE>linux</span> (2.6.12) on a custom board with a ppc405gp processor <span
class=SpellE>i</span> run in to some problems. The board’s got 64 <span
class=SpellE>mb</span> SDRAM at 0x00000000. The board is booted with a stripped
version of <span class=SpellE>ppc</span>-boot (I added a <span class=SpellE>board_information</span>
structure with the right values and placed the address in gpr3) witch is
located in SRAM, and then jumps to 0x0000 where I placed my raw binary image. <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'>I made a platform file where I
call: ppc4xx_intit, ppc4xx_setup_arch, ppc4xx_map_io, and a function ppc405_map_irq,
but with an empty table (no PCI devices). I set the link/load address at 0x0
(where I placed my image) and didn’t touch the virtual address of the
kernel base. As <span class=SpellE>kernelargs</span> I gave console=ttyS0<span
class=GramE>,9600</span>, and my <span class=SpellE>rootfs</span> is a <span
class=SpellE>busybox</span> in an <span class=SpellE>initramfs</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'><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'>Still I don’t get
anything on the UART (checked both in just in case) so there is definitely something
wrong. I only have 1 day in the week to work on that and I have access to a
BDI2000 to debug this Friday, so that should give me some insights to where it
all goes wrong.<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'>But can someone tell me what I’m
doing wrong? (<span class=GramE>or</span> right just to give me some hope after
all ;) )<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'>Thank you,<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>IWT-KDG</span> Antwerpen <span
class=SpellE>Belgium</span><o:p></o:p></span></font></p>
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