<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v =
"urn:schemas-microsoft-com:vml" xmlns:o =
"urn:schemas-microsoft-com:office:office" xmlns:w =
"urn:schemas-microsoft-com:office:word"><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content=Word.Document name=ProgId>
<META content="MSHTML 6.00.2722.900" name=GENERATOR>
<META content="Microsoft Word 10" name=Originator><LINK
href="cid:filelist.xml@01C520BF.7B2630F0" rel=File-List><!--[if gte mso 9]><xml>
<o:OfficeDocumentSettings>
<o:DoNotRelyOnCSS/>
</o:OfficeDocumentSettings>
</xml><![endif]--><!--[if gte mso 9]><xml>
<w:WordDocument>
<w:SpellingState>Clean</w:SpellingState>
<w:GrammarState>Clean</w:GrammarState>
<w:DocumentKind>DocumentEmail</w:DocumentKind>
<w:EnvelopeVis/>
<w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel>
</w:WordDocument>
</xml><![endif]-->
<STYLE>@page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; mso-header-margin: .5in; mso-footer-margin: .5in; mso-paper-source: 0; }
P.MsoNormal {
FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; mso-style-parent: ""; mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman"
}
LI.MsoNormal {
FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; mso-style-parent: ""; mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman"
}
DIV.MsoNormal {
FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"; mso-style-parent: ""; mso-pagination: widow-orphan; mso-fareast-font-family: "Times New Roman"
}
A:link {
COLOR: blue; TEXT-DECORATION: underline; text-underline: single
}
SPAN.MsoHyperlink {
COLOR: blue; TEXT-DECORATION: underline; text-underline: single
}
A:visited {
COLOR: purple; TEXT-DECORATION: underline; text-underline: single
}
SPAN.MsoHyperlinkFollowed {
COLOR: purple; TEXT-DECORATION: underline; text-underline: single
}
SPAN.EmailStyle18 {
COLOR: navy; FONT-FAMILY: Arial; mso-style-type: personal-reply; mso-style-noshow: yes; mso-ansi-font-size: 10.0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial
}
SPAN.GramE {
mso-style-name: ""; mso-gram-e: yes
}
DIV.Section1 {
page: Section1
}
</STYLE>
<!--[if gte mso 10]>
<style>
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:"Table Normal";
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin:0in;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";}
</style>
<![endif]--><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></HEAD>
<BODY lang=EN-US style="tab-interval: .5in" vLink=purple link=blue
bgColor=white>
<DIV>Akash,</DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>What hardware are you using? I know Extreme
Engineering</FONT></DIV>
<DIV><FONT face=Arial size=2>has 8280-capable cards with a
Linux MCC driver available.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>PMC:</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.xes-inc.com/Products/XPort/XPort2000/XPort2000.html">http://www.xes-inc.com/Products/XPort/XPort2000/XPort2000.html</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>PCI:</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.xes-inc.com/Products/XPort/XPort2010/XPort2010.html">http://www.xes-inc.com/Products/XPort/XPort2010/XPort2010.html</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>CompactPCI:</FONT></DIV>
<DIV><FONT face=Arial size=2><A
href="http://www.xes-inc.com/Products/XPort/XPort2020/XPort2020.html">http://www.xes-inc.com/Products/XPort/XPort2020/XPort2020.html</A></FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>For what it's worth,</FONT></DIV>
<DIV><FONT face=Arial size=2>Matt</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=akashkaul@deccanetworld.com
href="mailto:akashkaul@deccanetworld.com">akash kaul</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=linuxppc-embedded@ozlabs.org
href="mailto:linuxppc-embedded@ozlabs.org">linuxppc-embedded@ozlabs.org</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Friday, March 04, 2005 2:08
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> MCC driver help</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">H<FONT color=navy><SPAN
style="COLOR: navy">i </SPAN></FONT>All,</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> We are
developing MCC driver for MPC8280. We are using TDMD2 for
2 channels in HDLC mode. </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> Currently we
are testing using internal/external loopback setting. For this we have
connected BRG6 Output to CLK19 and TMR3IN (timer3 input). The TMR3O(timer 3
output) is fed to L1RSYNC. We are receiving GUN interrupt. In the first
interrupt we are receiving IDL interrupt followwd by GUN interrupt
and the driver stops.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> We have
verified the reasons given for this.But not able to overcome this
problem.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> I have
pasted some of the code snippets of my driver which i am doubtful of. I
hope to get some comments from the group on
this.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> Please find
below some of the code snippets: </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
<STRONG><B><FONT face=Arial><SPAN style="FONT-FAMILY: Arial">/*Configuring
SIxMR for
TDMD2*/</SPAN></FONT></B></STRONG></SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <SPAN
class=GramE>immap</SPAN>->im_siramctl2.si_dmr = 0xA68;
/*(SI_M_CRT | SI_M_SDM_INTERNAL_LOOPBACK | SI_M_SAD_0 | SI_M_CE | SI_M_FE |
SI_M_SL | SI_M_RFSD_2BIT_DELAY);*/</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <STRONG><B><FONT
face=Arial><SPAN style="FONT-FAMILY: Arial">/* SI2 RAM
programming*/</SPAN></FONT></B></STRONG></SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> </SPAN></FONT><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> immap->im_si2txram[0]
= ( SIRAM_MCC | (SIRAM_CNT_1<<2) |SIRAM_RESOL_BYTE|
(128<<5));<BR> immap->im_si2txram[1] = ( SIRAM_MCC
| (SIRAM_CNT_8<<2) | SIRAM_RESOL_BYTE | SIRAM_ENTRY_LAST |
(129<<5));</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_si2rxram[0] = ( SIRAM_MCC | (SIRAM_CNT_1<<2)
|SIRAM_RESOL_BYTE| (128<<5));<BR>
immap->im_si2rxram[1] = ( SIRAM_MCC |(SIRAM_CNT_8<<2)
|SIRAM_RESOL_BYTE| SIRAM_ENTRY_LAST |
(129<<5));</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
<STRONG><B><FONT face=Arial><SPAN style="FONT-FAMILY: Arial">/*Clock and BRG6
initialization
*/</SPAN></FONT></B></STRONG></SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <SPAN
class=GramE>immap</SPAN>->im_cpmtimer.cpmt_tmr3= 0x0e;
/*(CPM_TIMER_ICLK|CPM_TIMER_GE|CPM_TIMER_FRR);*/<BR> immap->im_cpmtimer.cpmt_trr3=
0x41; /* 63 bits :: <STRONG><B><FONT face=Arial><SPAN
style="FONT-FAMILY: Arial">Is this right</SPAN></FONT></B></STRONG>, I have
set it to 63 b<FONT color=navy><SPAN style="COLOR: navy">e</SPAN></FONT>cause
my first channel is 1 bit wide and second channel is 64 bit
wide */<BR> <SPAN
class=GramE>immap</SPAN>->im_cpmtimer.cpmt_tgcr2 = 0x09
; <BR> immap->im_brgc6 = 0x00010000; /*
Directly feeding BRG6 with BRG_CLK which is of 33Mhz in my
board*/</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
<STRONG><B><FONT face=Arial><SPAN style="FONT-FAMILY: Arial">/*Port pin
configuration*/</SPAN></FONT></B></STRONG></SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> immap->im_ioport.iop_psorb
|=
(TDMD2_L1TXD|TDMD2_L1RXD|TDMD2_L1RSYNC); <BR>
immap->im_ioport.iop_pdirb &=
~(TDMD2_L1TXD|TDMD2_L1RXD|TDMD2_L1RSYNC); </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_ioport.iop_pparb |=
(TDMD2_L1TXD|TDMD2_L1RXD|TDMD2_L1RSYNC); </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=3><SPAN style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_ioport.iop_psora &=
~(TDMD2_CLK19); </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_ioport.iop_pdira &=
~(TDMD2_CLK19); <BR> immap->im_ioport.iop_ppara |=
(TDMD2_CLK19); <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_ioport.iop_psorc &= ~(TDMD2_TIN3 | TDMD2_BRGO6
|TDMD2_TOUT3);</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_ioport.iop_pdirc |= (TDMD2_BRGO6 |
TDMD2_TOUT3); <BR> immap->im_ioport.iop_pdirc
&= ~(TDMD2_TIN3); </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_ioport.iop_pparc |= (TDMD2_TIN3 | TDMD2_BRGO6 |
TDMD2_TOUT3); </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_cpmux.cmx_si2cr |=
(TDMD2_CLK19_CS);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><STRONG><B><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/*Initialize RxBDs.*/ called for two
channels</SPAN></FONT></B></STRONG><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><STRONG><B><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> </SPAN></FONT></B></STRONG><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> for
(index = 0; index < MAX_NUM_BD;
index++)<BR>
{<BR> if( index !=
(MAX_NUM_BD-1) ) /* If not the last RxBD for this channel
*/<BR>
{<BR>
rx_tx_bd->rx_bd[index+offset].cbd_sc = 0x9000; /* Empty, Interrupt
*/<BR>
}<BR> else /* if
last RxBD for this channel
*/<BR>
{<BR>
rx_tx_bd->rx_bd[index+offset].cbd_sc = 0xB000; /* Empty,
Interrupt,and wrap
*/<BR>
}<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* set the CM bit in the RxBDS
*/<BR>
rx_tx_bd->rx_bd[index+offset].cbd_sc |= 0x0200; /* set
continuous bit */<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* clear the buffer length
*/<BR>
rx_tx_bd->rx_bd[index+offset].cbd_datlen =
0;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* set address to point to proper receive area for this BD in
the bufferpool scheme this program uses
*/<BR> va_ptr = (u32
*)cpm2_hostalloc(MAX_BUF_LEN,
8);<BR>
rx_tx_bd->rx_bd[index+offset].cbd_bufaddr = (uint
)__pa(va_ptr);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
} /* end for loop initializing RxBDs */<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">/* <STRONG><B><FONT
face=Arial><SPAN style="FONT-FAMILY: Arial">Initialize TxBDs and RX BDs for
both the
channels</SPAN></FONT></B></STRONG>*/<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> for ( offset = 0, counter =
0; counter < NUM_CHANS_PER_TDM;)<BR>
{<BR><STRONG><B><FONT face=Arial><SPAN
style="FONT-FAMILY: Arial"> /* Initialize
TxBDs. */</SPAN></FONT></B></STRONG><B><SPAN
style="FONT-WEIGHT: bold"><BR><STRONG><B><FONT face=Arial><SPAN
style="FONT-FAMILY: Arial"> </SPAN></FONT></B></STRONG></SPAN></B>
for (index=0; index < MAX_NUM_BD;
index++)<BR>
{<BR> if( index !=
(MAX_NUM_BD-1) ) /* If not the last TxBD for this channel
*/<BR>
{<BR>
/* Set Ready bit
*/<BR>
rx_tx_bd->tx_bd[index+offset].cbd_sc =
0x8000;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* If this channel is HDLC, also set Last and TC bits
*/<BR>
rx_tx_bd->tx_bd[index+offset].cbd_sc |=
0x0C00;<BR>
}<BR> else /* if
last TxBD for this channel
*/<BR>
{<BR>
/* Set Ready, Wrap bits
*/<BR>
rx_tx_bd->tx_bd[index+offset].cbd_sc =
0xA000;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* If this channel is HDLC, also set Last and TC bits
*/<BR>
rx_tx_bd->tx_bd[index+offset].cbd_sc |=
0x0C00;<BR>
};<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* set the CM bit in the TxBDS
*/<BR>
rx_tx_bd->tx_bd[index+offset].cbd_sc |= 0x0200; /* set
continuous bit */<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
/* set address to point to proper receive area for this BD in the
bufferpool scheme this program uses
*/<BR> va_ptr =
(u32 *)cpm2_hostalloc(MAX_BUF_LEN,
8);<BR>
memset(va_ptr,(u8)'B',
MAX_BUF_LEN);<BR>
rx_tx_bd->tx_bd[index+offset].cbd_bufaddr = (uint
)__pa(va_ptr);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><BR>
/* load the buffer length
*/<BR>
rx_tx_bd->tx_bd[index+offset].cbd_datlen =
54;//MAX_BUF_LEN;<BR> }/* end for loop
initializing TxBDs */<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> offset = (++ counter *
MAX_NUM_BD);<BR>} /* End of outer for
loop*/<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><STRONG><B><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> /* MCC
Init*/</SPAN></FONT></B></STRONG><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><STRONG><B><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
#define TDM 3</SPAN></FONT></B></STRONG><FONT face=Arial
size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_mcc2.mcc_mccf = TDM | (TDM << 2) | (TDM << 4) |
(TDM << 6); /* Enable TDM2 to use channels 128 to 225
*/<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> /* Clear all
the interrupts and enable the required interrupts */<BR>
immap->im_mcc2.mcc_mcce = (MCC_EM_GOV | MCC_EM_GUN | MCC_EM_TINT |
MCC_EM_TQOV
|<BR>
MCC_EM_RINT3 | MCC_EM_QOV3 | MCC_EM_RINT2 |
MCC_EM_QOV2<BR>
|MCC_EM_RINT1 | MCC_EM_QOV1 | MCC_EM_RINT0 |
MCC_EM_QOV0);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_mcc2.mcc_mccm = (MCC_EM_GOV | MCC_EM_GUN | MCC_EM_TINT |
MCC_EM_TQOV
|<BR>
MCC_EM_RINT3 | MCC_EM_QOV3 | MCC_EM_RINT2 |
MCC_EM_QOV2<BR>
|MCC_EM_RINT1 | MCC_EM_QOV1 | MCC_EM_RINT0 |
MCC_EM_QOV0);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> Note : Apart
from this i am doing global channel parameters, channel specific parameters
and xtra channel parameters.<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><STRONG><B><FONT face=Arial
size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> /*
Initialising the TX and Rx parameters */</SPAN></FONT></B></STRONG><FONT
face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> while
((immap->im_cpm.cp_cpcr & CPCR_FLG) !=
READY_TO_RX_CMD);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_cpm.cp_cpcr = CPCR_INIT_TX_RX_ONECHANL | psbc | (128<<6)|
CPCR_FLG; /* ISSUE COMMAND
*/<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> while
((immap->im_cpm.cp_cpcr & CPCR_FLG) !=
READY_TO_RX_CMD);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> while
((immap->im_cpm.cp_cpcr & CPCR_FLG) !=
READY_TO_RX_CMD);<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">
immap->im_cpm.cp_cpcr = CPCR_INIT_TX_RX_ONECHANL | psbc | (129<<6)|
CPCR_FLG; /* ISSUE COMMAND
*/<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> while
((immap->im_cpm.cp_cpcr & CPCR_FLG) !=
READY_TO_RX_CMD);<o:p></o:p></SPAN></FONT></P></DIV></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <STRONG><B><FONT
face=Arial><SPAN style="FONT-FAMILY: Arial">/*Enabling
TDMD2 */</SPAN></FONT></B></STRONG><o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <SPAN
class=GramE>immap</SPAN>->im_siramctl2.si_gmr = 1 <<
3;<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Courier New"
size=2><SPAN
style="FONT-SIZE: 11pt; FONT-FAMILY: 'Courier New'"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=2><SPAN style="FONT-SIZE: 11pt; mso-bidi-font-family: 'Courier New'">Any
hint would be greatly appreciated.</SPAN></FONT><FONT size=2><SPAN
style="FONT-SIZE: 11pt; mso-bidi-font-family: Arial"><BR
style="mso-special-character: line-break"><![if !supportLineBreakNewLine]><BR
style="mso-special-character: line-break"><![endif]><FONT color=navy><SPAN
style="COLOR: navy"><o:p></o:p></SPAN></FONT></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 11pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=2><SPAN style="FONT-SIZE: 11pt; mso-bidi-font-family: Arial"> Best
Regards,<o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal style="MARGIN-LEFT: 0.5in"><FONT face="Times New Roman"
size=2><SPAN
style="FONT-SIZE: 11pt; mso-bidi-font-family: Arial"><BR> -Akash
Kaul<o:p></o:p></SPAN></FONT></P></DIV></DIV>
<P>
<HR>
<P></P>_______________________________________________<BR>Linuxppc-embedded
mailing
list<BR>Linuxppc-embedded@ozlabs.org<BR>https://ozlabs.org/mailman/listinfo/linuxppc-embedded</BLOCKQUOTE></BODY></HTML>