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[lwip-users] [lwip] RE: CS8900A driver intialisation
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From: |
Richard W. Wilder |
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Subject: |
[lwip-users] [lwip] RE: CS8900A driver intialisation |
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Date: |
Thu, 09 Jan 2003 01:12:40 -0000 |
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Jibin George wrote:
>Hi
> I have a SMD2410 board based on ARM920T core I am now trying
to port lwIP to this board .My board has >a CS8900A (no EEPROM for
intialisation)controller so i decided to use leon's
>driver(<http://www.esrac.ele.tue.nl/~leon/lwip/> ).Anybody familiar
with the same board .
> I dont know the exact IO_BASE and MEM_BASE of CS8900A i
failed to acess the CS8900A registers >for intialising them.Anybody have
know something about acessing the the chip.Actually i tried to read
CS8900A >signature code from memory and failed.If someone has
intialisation routines for the CS8900A please help me
I am not familiar with your board, but a couple of questions come to
mind:
1) Is your board I/O-mapped or memory-mapped? Perhaps you can't see the
signature in memory, because it's not in memory (it's in I/O space)...
2) Does your board permit 16-bit accesses, or only 8-bit?
3) Does your board provide for interrupts?
I believe the Woestenberg drivers are for 16-bit memory-mapped systems
only. I am working on making the driver a bit more generic to cover the
8-bit and I/O-mapped cases. Please see my thread "Suggestion for CS8900
driver".
Best regards,
Dick.
Richard W. Wilder
GrayBox Technologies, Inc.
W141 N9230 Fountain Boulevard
Menomonee Falls, WI 53051
Tel 262-502-4928
Fax 262-502-4943
Cell 262-424-3751
<http://www.graybox.net/> http://www.graybox.net
<mailto:address@hidden> address@hidden
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<div class=3DSection1>
<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><b><=
font
size=3D2 face=3D"Times New Roman"><span style=3D'font-size:10.0pt'>Jibin =
George wrote:<o:p></o:p></span></font></b></strong></p>
<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><b><=
font
size=3D2 face=3D"Times New Roman"><span =
style=3D'font-size:10.0pt'>></span></font></b></strong><font
face=3DArial><span style=3D'font-family:Arial'>Hi </span></font><font =
size=3D3><span
style=3D'font-size:12.0pt'><br>
> </span></font><font =
face=3DArial><span
style=3D'font-family:Arial'>I have a SMD2410 board based on ARM920T core =
I
am now trying to port lwIP to this board .My board has >a CS8900A (no =
EEPROM
for intialisation)controller so i decided to use leon's =
>driver(</span></font><u><font
size=3D3 color=3Dblue><span style=3D'font-size:12.0pt;color:blue'><<a
href=3D"http://www.esrac.ele.tue.nl/~leon/lwip/"; =
target=3D"_blank">http://www.esrac.ele.tue.nl/~leon/lwip/</a>></span><=
/font></u><font
size=3D3><span style=3D'font-size:12.0pt'> ).Anybody familiar with the =
same board .<o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:12.0pt'>> =
I dont know the exact </span></font><font face=3DArial><span =
style=3D'font-family:
Arial'>IO_BASE and MEM_BASE of CS8900A i failed to acess the
CS8900A registers >for intialising them.Anybody have know something =
about
acessing the the chip.Actually i tried to read CS8900A >signature =
code from
memory and failed.If someone has intialisation routines for the CS8900A =
please
help me</span></font><font size=3D3><span =
style=3D'font-size:12.0pt'><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'>I am not familiar with your board, =
but a
couple of questions come to mind:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'>1) Is your board I/O-mapped or
memory-mapped? Perhaps you can't see the signature in memory, because =
it's not
in memory (it's in I/O space)...<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'>2) Does your board permit 16-bit
accesses, or only 8-bit? <o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'>3) Does your board provide for =
interrupts?<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'><o:p> </o:p></span></font></p>=
<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'>I believe the Woestenberg drivers =
are for
16-bit memory-mapped systems only. I am working on making the driver a =
bit more
generic to cover the 8-bit and I/O-mapped cases. Please see my thread =
"Suggestion
for CS8900 driver".<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>Best =
regards, </span></font><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman";mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>Dick.</span=
></font><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman";mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>Richard W. =
Wilder</span></font><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman";mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>GrayBox
Technologies, Inc.</span></font><font size=3D2 face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;mso-bidi-font-family:"Times New =
Roman";mso-no-proof:
yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>W141 =
</span></font><st1:Street><st1:address
style=3D"BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); =
BACKGROUND-POSITION: left bottom; BACKGROUND-REPEAT: repeat-x"><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:
yes'>N9230 Fountain =
Boulevard</span></font></st1:address></st1:Street><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
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<p style=3D'margin:0in;margin-bottom:.0001pt'><st1:place><st1:City><font =
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face=3DArial><span =
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Falls</span></font></st1:City><font size=3D2 face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;mso-no-proof:yes'>, =
</span></font><st1:State><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:
yes'>WI</span></font></st1:State><font size=3D2 face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'> =
</span></font><st1:PostalCode><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:
yes'>53051</span></font></st1:PostalCode></st1:place><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times =
New Roman";
mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>Tel =
262-502-4928</span></font><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman";mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>Fax =
262-502-4943</span></font><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman";mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-no-proof:yes'>Cell =
262-424-3751</span></font><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman";mso-no-proof:yes'><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times =
New Roman";
mso-no-proof:yes'><a href=3D"http://www.graybox.net/";><span =
style=3D'mso-bidi-font-family:
Arial'>http://www.graybox.net</span></a><o:p></o:p></span></font></p>
<p style=3D'margin:0in;margin-bottom:.0001pt'><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times =
New Roman";
mso-no-proof:yes'><a href=3D"mailto:address@hidden";><span =
style=3D'mso-bidi-font-family:
Arial'>address@hidden</span></a></span></font><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times =
New Roman"'><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial;mso-bidi-font-family:"Times New =
Roman"'><o:p> </o:p></span></font></p>
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