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<DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff
size=2>Prathima,</FONT></SPAN></DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff size=2>The
address 0x0F010000 is the base address. It <SPAN
class=555021116-28092004>gives </SPAN>you the acess to the internal memory
register. Example:</FONT></SPAN></DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff size=2>The
BR0's address = 0x0F010000 + 100</FONT></SPAN></DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff size=2><SPAN
class=336095815-28092004><FONT face=Arial color=#0000ff size=2>The</FONT></SPAN>
OR0's address = 0x0F010000 + 104......</FONT></SPAN></DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=336095815-28092004><FONT face=Arial color=#0000ff size=2>Tien
Nghiem</FONT></SPAN></DIV></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
u-boot-users-admin@lists.sourceforge.net
[mailto:u-boot-users-admin@lists.sourceforge.net]<B>On Behalf Of
</B>Prathima_Kolar<BR><B>Sent:</B> Tuesday, September 28, 2004 8:09
AM<BR><B>To:</B> 'U-Boot-Users@lists.sourceforge.net'<BR><B>Cc:</B>
Nishant_Galange; Apoorv_Sangal; Lochana_Lingegowda<BR><B>Subject:</B>
[U-Boot-Users] value of r4 in start.S in boot_cold?<BR><BR></FONT></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hello,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I am not able to figure out the
content of register r4 in the given code snippet.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I also wanted to know the
significance of the address 0x 0F010000 got from the line "</SPAN></FONT><SPAN
class=SpellE>lwz</SPAN><SPAN style="mso-tab-count: 1">
</SPAN>r4, 0(r3)".<o:p></o:p></P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><SPAN class=SpellE><FONT face="Times New Roman"
size=3><SPAN
style="FONT-SIZE: 12pt">boot_cold</SPAN></FONT></SPAN>:<o:p></o:p></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">#if <SPAN
class=GramE>defined(</SPAN>CONFIG_MPC8260ADS)<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><SPAN
style="mso-tab-count: 1">
</SPAN></SPAN></FONT><SPAN lang=PT-BR
style="mso-ansi-language: PT-BR">lis<SPAN
style="mso-tab-count: 1">
</SPAN>r3, CFG_DEFAULT_IMMR@h<o:p></o:p></SPAN></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>nop<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>lwz<SPAN style="mso-tab-count: 1">
</SPAN>r4, 0(r3)<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>nop<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>rlwinm<SPAN style="mso-tab-count: 1"> </SPAN>r4, r4, 0, 8,
5<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>nop<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>oris<SPAN style="mso-tab-count: 1">
</SPAN>r4, r4, 0x0200<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN>nop<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN lang=PT-BR
style="FONT-SIZE: 12pt; mso-ansi-language: PT-BR"><SPAN
style="mso-tab-count: 1">
</SPAN></SPAN><SPAN class=SpellE><SPAN class=GramE>stw</SPAN></SPAN><SPAN
style="mso-tab-count: 1"> </SPAN>r4,
0(r3)<o:p></o:p></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><SPAN
style="mso-tab-count: 1">
</SPAN><SPAN class=SpellE><SPAN
class=GramE>nop</SPAN></SPAN><o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Thanks & Warm
Regards,<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt">Prathima.<o:p></o:p></SPAN></FONT></P></DIV>
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