CorebootModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / CorebootModulePkg / Library / BaseSerialPortLib16550 / BaseSerialPortLib16550.c

diff --git a/CorebootModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.c b/CorebootModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.c
index 45056363c3f33b9b8d0f949ef45a3f3840209bef..0717ffc2795c09acd5d9ba316b1605dd9c178d9e 100644 (file)
--- a/CorebootModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.c
+++ b/CorebootModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.c
@@ -3,13 +3,7 @@
 
   (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
   Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
-  This program and the accompanying materials
-  are licensed and made available under the terms and conditions of the BSD License
-  which accompanies this distribution.  The full text of the license may be found at
-  http://opensource.org/licenses/bsd-license.php
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
 
@@ -23,7 +17,7 @@
 #include <Library/BaseLib.h>
 
 //
-// PCI Defintions.
+// PCI Definitions.\r
 //
 #define PCI_BRIDGE_32_BIT_IO_SPACE              0x01
 
@@ -451,7 +445,7 @@ SerialPortWritable (
       //    0    0   No cable connected.                       Transmit
       //    0    1   No cable connected.                       Transmit
       //    1    0   Cable connected, but not clear to send.   Wait
-      //    1    1   Cable connected, and clar to send.        Transmit
+      //    1    1   Cable connected, and clear to send.       Transmit\r
       //
       return (BOOLEAN) ((SerialPortReadRegister (SerialRegisterBase, R_UART_MSR) & (B_UART_MSR_DSR | B_UART_MSR_CTS)) != (B_UART_MSR_DSR));
     }
@@ -554,9 +548,10 @@ SerialPortInitialize (
   SerialPortWriteRegister (SerialRegisterBase, R_UART_FCR, (UINT8)(PcdGet8 (PcdSerialFifoControl) & (B_UART_FCR_FIFOE | B_UART_FCR_FIFO64)));
 
   //
-  // Put Modem Control Register(MCR) into its reset state of 0x00.
+  // Set RTS and DTR in Modem Control Register(MCR)
   //
-  SerialPortWriteRegister (SerialRegisterBase, R_UART_MCR, 0x00);
+  SerialPortWriteRegister (SerialRegisterBase, R_UART_MCR,
+                   EFI_SERIAL_REQUEST_TO_SEND | EFI_SERIAL_DATA_TERMINAL_READY);
 
   return RETURN_SUCCESS;
 }
@@ -721,7 +716,7 @@ SerialPortRead (
 /**
   Polls a serial device to see if there is any data waiting to be read.
 
-  Polls aserial device to see if there is any data waiting to be read.
+  Polls a serial device to see if there is any data waiting to be read.\r
   If there is data waiting to be read from the serial device, then TRUE is returned.
   If there is no data waiting to be read from the serial device, then FALSE is returned.
 
@@ -902,13 +897,13 @@ SerialPortGetControl (
 }
 
 /**
-  Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,
+  Sets the baud rate, receive FIFO depth, transmit/receive time out, parity,\r
   data bits, and stop bits on a serial device.
 
   @param BaudRate           The requested baud rate. A BaudRate value of 0 will use the
                             device's default interface speed.
                             On output, the value actually set.
-  @param ReveiveFifoDepth   The requested depth of the FIFO on the receive side of the
+  @param ReceiveFifoDepth   The requested depth of the FIFO on the receive side of the\r
                             serial interface. A ReceiveFifoDepth value of 0 will use
                             the device's default FIFO depth.
                             On output, the value actually set.
@@ -921,7 +916,7 @@ SerialPortGetControl (
                             DefaultParity will use the device's default parity value.
                             On output, the value actually set.
   @param DataBits           The number of data bits to use on the serial device. A DataBits
-                            vaule of 0 will use the device's default data bit setting.
+                            value of 0 will use the device's default data bit setting.\r
                             On output, the value actually set.
   @param StopBits           The number of stop bits to use on this serial device. A StopBits
                             value of DefaultStopBits will use the device's default number of