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<p class="MsoNormal"><span style="color:#1F497D">The only thing I can think of is to use an oscilloscope to see if the signal is clear.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">No changes were made to the USB as it just comes up to as a COM Port and I connect using putty at the required baud rate.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Are you using a Serial to USB or a real RS232 serial port? On Windows there are setting for each serial port (where you can set its baud rate etc, but I think these are for default connection and do not affect
most terminal software that connect using a particular baud rate.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Mayuri Tendulkar [mailto:mayuri.tendulkar@aricent.com]
<br>
<b>Sent:</b> Wednesday, 13 July 2016 2:18 AM<br>
<b>To:</b> Naveed Ghori; coreboot<br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Hi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Minnowboard also uses the same pin</span><span style="color:#1F497D"> BD14 (GPIO_S0_SC[57]) as TX and 61 as RX and baud rate 115200.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We have not enabled post codes, but only enabled serial port console o/p.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">It works fine on Minnowboard, but not on this.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">So not getting any clue.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Mayuri</span><span lang="EN-IN" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Naveed Ghori [<a href="mailto:naveed.ghori@dti.com.au">mailto:naveed.ghori@dti.com.au</a>]
<br>
<b>Sent:</b> 11 July 2016 20:03<br>
<b>To:</b> Mayuri Tendulkar <<a href="mailto:mayuri.tendulkar@aricent.com">mayuri.tendulkar@aricent.com</a>>; coreboot <<a href="mailto:coreboot@coreboot.org">coreboot@coreboot.org</a>><br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></p>
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<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">First thing is to get serial output as there will probably be other hurdles before the display works.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I used coreboot bayleybay as the basis and it had the port mentioned (pin BD14 (GPIO_S0_SC[57]))) setup for debug output and the baud rate of 115200.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Minnowboard may be different.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Also, I had to setup the full 8MB of flash using the FITC tool but this is probably not your issue since you probably have serial output already.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">All I can think of is baud rate setting under console in “make menuconfig”.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Also the output may be setup to output POST codes only in which case to a text terminal it will like only junk is coming out. Make sure console debug level is set to DEBUG or SPEW to get a lot more
debug initially.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Also Enable “Serial Port Console output”<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Mayuri Tendulkar [<a href="mailto:mayuri.tendulkar@aricent.com">mailto:mayuri.tendulkar@aricent.com</a>]
<br>
<b>Sent:</b> Tuesday, 12 July 2016 10:53 AM<br>
<b>To:</b> Naveed Ghori<br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">We didn’t change anything. Our base is valley island. As it was not having serial, we took tht part same as Minnowboard (PCU UART)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Tried different rates but doesn’t work.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">We checked TTL levels, so we were seeing freq as 38.4, so tried tht also.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Somehow its stuck somewhere as we don’t see USB and display also not coming, but nt able to get exact data due to serial prints.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Naveed Ghori [<a href="mailto:naveed.ghori@dti.com.au">mailto:naveed.ghori@dti.com.au</a>]
<br>
<b>Sent:</b> 11 July 2016 19:48<br>
<b>To:</b> Mayuri Tendulkar <<a href="mailto:mayuri.tendulkar@aricent.com">mayuri.tendulkar@aricent.com</a>><br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Did you change anything? Is your base Bayley Bay? The default setting for it are 115200 with the output pin as per below.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Check the console settings in the menuconfig. If you are getting junk then I assume it is already enabled but maybe just the baud is modified by mistake.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Mayuri Tendulkar [<a href="mailto:mayuri.tendulkar@aricent.com">mailto:mayuri.tendulkar@aricent.com</a>]
<br>
<b>Sent:</b> Tuesday, 12 July 2016 10:45 AM<br>
<b>To:</b> Naveed Ghori<br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">But what settings to be added in coreboot config?
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Naveed Ghori [<a href="mailto:naveed.ghori@dti.com.au">mailto:naveed.ghori@dti.com.au</a>]
<br>
<b>Sent:</b> 11 July 2016 18:42<br>
<b>To:</b> Mayuri Tendulkar <<a href="mailto:mayuri.tendulkar@aricent.com">mayuri.tendulkar@aricent.com</a>>; coreboot <<a href="mailto:coreboot@coreboot.org">coreboot@coreboot.org</a>><br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We take the pins direct off the E3845 (only really need the tx (pin BD14 (GPIO_S0_SC[57]))). The pins direct are TTL so we had to use a TTL-USB serial port converter.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Mayuri Tendulkar [<a href="mailto:mayuri.tendulkar@aricent.com">mailto:mayuri.tendulkar@aricent.com</a>]
<br>
<b>Sent:</b> Tuesday, 12 July 2016 9:37 AM<br>
<b>To:</b> Naveed Ghori; coreboot<br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Thanks. We tried 115200, but it didn’t work. We checked TTL levels and tried to match, but no luck.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D">Are you using PCU UART (same as minnowboard) or anything different?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Naveed Ghori [<a href="mailto:naveed.ghori@dti.com.au">mailto:naveed.ghori@dti.com.au</a>]
<br>
<b>Sent:</b> 11 July 2016 18:17<br>
<b>To:</b> Mayuri Tendulkar <<a href="mailto:mayuri.tendulkar@aricent.com">mayuri.tendulkar@aricent.com</a>>; coreboot <<a href="mailto:coreboot@coreboot.org">coreboot@coreboot.org</a>><br>
<b>Subject:</b> Re: Help on setting clock speed in coreboot<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Garbage usually means baud rate. Did you try 115200baud?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">If you are still getting garbage I would recommend seeing it on the scope and making sure voltage levels are fine. The output by default would be TTL level and may need to be converted.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I have used some TTL (1.8V if I remember correctly (TTL-232RG) to convert the signal so I could read the output.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Naveed<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> coreboot [<a href="mailto:coreboot-bounces@coreboot.org">mailto:coreboot-bounces@coreboot.org</a>]
<b>On Behalf Of </b>Mayuri Tendulkar<br>
<b>Sent:</b> Tuesday, 12 July 2016 8:27 AM<br>
<b>To:</b> coreboot<br>
<b>Subject:</b> [coreboot] Help on setting clock speed in coreboot<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-IN">Hi Team<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">I have a customized board based on Intel valley island design. Reference design uses Intel Baytrail processor E3825, while my design is using E3845.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">I am customizing coreboot for this E3845, but getting just garbage on coreboot, so not able to debug where it is stuck.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">When I add memory test as secondary payload, I cd see some operations happening on console but not able to decode it.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Tried with all possible baud rates, but no success. USB and display also not enumerating.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Can you please give some clue? Is it due to different core speed for E3835(1.33GHZ) vs E3845(1.91GHz).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Where is the option to change this in coreboot?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Appreciate your support.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN">Mayuri<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="font-size:12.0pt;font-family:"Times New Roman","serif"">"DISCLAIMER: This message is proprietary to Aricent and is intended solely for the use of the individual to whom it is addressed. It may contain privileged
or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified
that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. Aricent accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus."
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<p class="MsoNormal"><span lang="EN-IN" style="font-size:12.0pt;font-family:"Times New Roman","serif"">"DISCLAIMER: This message is proprietary to Aricent and is intended solely for the use of the individual to whom it is addressed. It may contain privileged
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<p class="MsoNormal"><span lang="EN-IN" style="font-size:12.0pt;font-family:"Times New Roman","serif"">"DISCLAIMER: This message is proprietary to Aricent and is intended solely for the use of the individual to whom it is addressed. It may contain privileged
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that you are strictly prohibited from using, copying, altering, or disclosing the contents of this message. Aricent accepts no responsibility for loss or damage arising from the use of the information transmitted by this email including damage from virus."
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<p class="MsoNormal"><span lang="EN-IN" style="font-size:12.0pt;font-family:"Times New Roman","serif"">"DISCLAIMER: This message is proprietary to Aricent and is intended solely for the use of the individual to whom it is addressed. It may contain privileged
or confidential information and should not be circulated or used for any purpose other than for what it is intended. If you have received this message in error, please notify the originator immediately. If you are not the intended recipient, you are notified
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