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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi,<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 style='font-size:10.0pt;
font-family:Arial'>I am trying to boot my 8641D based PowerPC board. I am
having trouble booting it.<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 style='font-size:10.0pt;
font-family:Arial'>Following code snippet is from <i><span style='font-style:
italic'>head_32.S</span></i>…..<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><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
lis r4,2f@h<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
ori r4,r4,2f@l<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
tophys(r4,r4)<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
li r3,MSR_KERNEL & ~(MSR_IR|MSR_DR)<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
FIX_SRR1(r3,r5)<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
mtspr SPRN_SRR0,r4<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
mtspr SPRN_SRR1,r3<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
SYNC<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>
RFI<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>/* Load up the kernel
context */<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><b><i><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold;font-style:italic'>2:
bl load_up_mmu<o:p></o:p></span></font></i></b></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 style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>My code successfully reaches up to the RFI instruction, but
never to “<b><i><span style='font-weight:bold;font-style:italic'>2: bl
load_up_mmu</span></i></b>”. I am not using any debugger (used an LED
write to address to figure it out) in this situation.<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 style='font-size:10.0pt;
font-family:Arial'>Any suggestions on why my execution sequence never reaches
the “<b><i><span style='font-weight:bold;font-style:italic'>2:</span></i></b>
“?<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 style='font-size:10.0pt;
font-family:Arial'>I exhausted all types of debug information and appreciate
any help.<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 style='font-size:10.0pt;
font-family:Arial'>Thanks<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Siva<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>
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