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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Anteja,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">COM port is a specific interface. In Windows COM-port is defined by serial.sys.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D">Iaiouart.sys is SerCx driver but it is a driver for HSUART, there is only one COM port – that is the PCU COM-port with legacy I/O interface which is already exposed
as COM1.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D">Ivan.<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Anteja Vuk Macek [mailto:anteja.vm@dolotron.com]
<br>
<b>Sent:</b> Wednesday, July 1, 2015 5:43 AM<br>
<b>To:</b> Rouzanov, Ivan; edk2-devel(email list); elinux-minnowboard<br>
<b>Subject:</b> Re: [MinnowBoard] UART and COM ports problem<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D">Hello,<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D"> <o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#3D3D3D">I tried with IOCTL, but problem was I couldn't open driver file with CreateFile method because I couldn't find path ( something like this
<a href="file:///\\\PCI%23VEN_8086&DEV_0F0E&SUBSYS_72708086&REV_0C%233&11583659&0&F5%23%7bbadc33d6-be37-4372-b90e-bbf2d986b0eb%7d">
\\\\.\\PCI#VEN_8086&DEV_0F0E&SUBSYS_72708086&REV_0C#3&11583659&0&F5#{badc33d6-be37-4372-b90e-bbf2d986b0eb}</a> ). For UART I have iaiouart.sys driver and I want to know if this driver return SerCx framework. I find for Windows 8 UART driver ( uart16550pc.sys
), but I don't know if I need some kind of bridge driver between two drivers. <o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:9.5pt;font-family:"Verdana",sans-serif">Best regards</span><span style="font-family:"Verdana",sans-serif">, </span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Verdana",sans-serif;color:black">Anteja </span><o:p></o:p></p>
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<p class="MsoNormal">>On Tue, Jun 30, 2015 at 7:33 AM, Anteja Vuk Macek <<a href="mailto:anteja.vm@dolotron.com" target="_blank">anteja.vm@dolotron.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">>Hi Ivan, <br>
><br>
>Thank you for advice, but I want two COM ports. I found LPC_DEV.ASL ACPI_table in Vlv2TbltDeviceRefCodePkg where was ASL code for the device IUR3 HID - PNP0501. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Device(IUR3) // Internal UART<o:p></o:p></p>
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<p class="MsoNormal">{<o:p></o:p></p>
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<p class="MsoNormal"> Name(_HID, EISAID("PNP0501"))<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Name(_UID,1)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> // Status Method for internal UART<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Method(_STA,0,Serialized)<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> // Only report resources to the OS if internal UART is<o:p></o:p></p>
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<p class="MsoNormal"> // not set to Disabled in BIOS Setup.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> If(LEqual(USEL,0))<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> If(LEqual(PU1E,1))<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> Store(1,UI3E) // Enable IRQ3 for UART<o:p></o:p></p>
</div>
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<p class="MsoNormal"> Store(1,UI4E) // Enable IRQ4 for UART<o:p></o:p></p>
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<p class="MsoNormal"> Store(1,C1EN) // Enable UART<o:p></o:p></p>
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<p class="MsoNormal"> Return(0x000F)<o:p></o:p></p>
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<p class="MsoNormal"> }<o:p></o:p></p>
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<p class="MsoNormal"> }<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Return(0x0000)<o:p></o:p></p>
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<p class="MsoNormal"> }<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> // Disable Method for internal UART<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Method(_DIS,0,Serialized)<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> Store(0,UI3E)<o:p></o:p></p>
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<p class="MsoNormal"> Store(0,UI4E)<o:p></o:p></p>
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<p class="MsoNormal"> Store(0,C1EN)<o:p></o:p></p>
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<p class="MsoNormal"> }<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> // Current Resource Setting Method for internal UART<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Method(_CRS,0,Serialized)<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<div>
<p class="MsoNormal"> // Create the Buffer that stores the Resources to<o:p></o:p></p>
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<p class="MsoNormal"> // be returned.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Name(BUF0,ResourceTemplate()<o:p></o:p></p>
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<div>
<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> IO(Decode16,0x03F8,0x03F8,0x01,0x08)<o:p></o:p></p>
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<p class="MsoNormal"> IRQNoFlags() {3}<o:p></o:p></p>
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<p class="MsoNormal"> })<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Name(BUF1,ResourceTemplate()<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> IO(Decode16,0x03F8,0x03F8,0x01,0x08)<o:p></o:p></p>
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<p class="MsoNormal"> IRQNoFlags() {4}<o:p></o:p></p>
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<p class="MsoNormal"> })<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> If (LLessEqual(SRID, 0x04))<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> Return(BUF0)<o:p></o:p></p>
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<p class="MsoNormal"> } Else<o:p></o:p></p>
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<p class="MsoNormal"> {<o:p></o:p></p>
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<p class="MsoNormal"> Return(BUF1)<o:p></o:p></p>
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<p class="MsoNormal"> }<o:p></o:p></p>
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<p class="MsoNormal"> }<o:p></o:p></p>
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<p class="MsoNormal">}<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I want to make second IUR device. I don't know value of variables : SEL, PU1E, UI3E, UI4E and C1EN and where it was defined. Also, I would like to know what I need to change to write ASL code for second IURx device. <o:p></o:p></p>
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<p class="MsoNormal">Best regards,<br>
<br>
Anteja<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">>On Thu, Jun 25, 2015 at 11:16 AM, Rouzanov, Ivan <<a href="mailto:ivan.rouzanov@intel.com" target="_blank">ivan.rouzanov@intel.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">>Anteja,<br>
><br>
>As far as I understand we have 2 UARTs but only one follows legacy COM-interface and the other one does not so Windows inbox driver serial.sys does not work with it so you only have one COM port.<br>
>(Basically COMx is just a symbolic link serial.sys creates to point to its device object, so if it does not service a device like in the case of the second HSUART, then it is not a COM-port).<br>
>f you need to use COM-port and have ability to debug, I'd suggest to use Ethernet for debugging and free up COM1 for your other needs.<br>
><br>
>I hope this helps.<br>
>Best regards,<o:p></o:p></p>
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<div>
<p class="MsoNormal">>van Rouzanov.<br>
><br>
><br>
><br>
>Message: 3<br>
>Date: Wed, 24 Jun 2015 10:06:02 +0200<br>
>From: Anteja Vuk Macek <<a href="mailto:anteja.vm@dolotron.com" target="_blank">anteja.vm@dolotron.com</a>><br>
>To: EDK2 email list <<a href="mailto:edk2-devel@lists.sourceforge.net" target="_blank">edk2-devel@lists.sourceforge.net</a>>, MinnowMax<br>
> Community <<a href="mailto:elinux-minnowboard@lists.elinux.org" target="_blank">elinux-minnowboard@lists.elinux.org</a>><br>
>Subject: [MinnowBoard] UART and COM ports problem<br>
>Message-ID:<br>
> <<a href="mailto:CAOPTR2BQg0h5KT8dogxr60t3%2B%2Bi4tCHPFchyo6qWqKYkqGWZhw@mail.gmail.com" target="_blank">CAOPTR2BQg0h5KT8dogxr60t3++i4tCHPFchyo6qWqKYkqGWZhw@mail.gmail.com</a>><br>
>Content-Type: text/plain; charset="utf-8"<br>
><br>
>Hi all,<br>
><br>
>On MinnowMax I work on Windows 8.1 with UART.<br>
> In BIOS Setup I enable UART. In LSS & SCC Configuration menu in BIOS<br>
>Setup I enable : LSS HSUART #1 Support , LSS HSUART #1 FlowCtrl , LSS HSUART #2 Support , and LSS HSUART #2 FlowCtrl . But I don't know if I need to in BIOS Setup in Miscellaneous configuration set UART >interface on Super IO UART, for now I set Internal
UART for UART interface.<br>
>I install Intel driver (<br>
><a href="https://downloadcenter.intel.com/download/24228/Intel-embedded-drivers-for-Windows-8-1-32-bit-" target="_blank">https://downloadcenter.intel.com/download/24228/Intel-embedded-drivers-for-Windows-8-1-32-bit-</a><br>
>)<br>
>and I got two UART controllers.<br>
><br>
>Problem :<br>
>Problem is that I have only one COM port ( COM1) and it is for debugging. I looking in inf (iaiouart.inf ) file of driver for which device is , and I find APCI/INT33BC device. The COM1 is device<br>
>APCI/PNP0501 .<br>
><br>
>What I need to do to get COM 2 device ? I saw BaseSerialPortLib 16550 module in MdeModulePkg/Library for what it is this module. Need I add some module for UART or Serial port in fdf (PlatformPkg.fdf ) file to get<br>
>COM2 device, or add COM2 in ACPI_table? Where I can find ACPI_table in source of firmware?<br>
><br>
>Best regards,<br>
><br>
>Anteja<br>
> <o:p></o:p></p>
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