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Change DUET DxeIpl to use SerialPort instead of manipulating serial port directly.

Browse Source 
Signed-off-by: niruiyu
Reviewed-by: jyao1

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11876 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu
2011-06-23 08:31:18 +00:00
parent f6bd06633d
commit b68b78e66c
15 changed files with 180 additions and 574 deletions
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130
DuetPkg/DxeIpl/SerialStatusCode.c
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@@ -1,6 +1,6 @@
/** @file
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, 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
@@ -18,16 +18,9 @@ Revision History:
**/
#include <Library/SerialPortLib.h>
#include "SerialStatusCode.h"
UINT16 gComBase = 0x3f8;
UINTN gBps = 115200;
UINT8 gData = 8;
UINT8 gStop = 1;
UINT8 gParity = 0;
UINT8 gBreakSet = 0;
//
// All of the lookup tables are only needed in debug.
//
@@ -602,68 +595,6 @@ Returns:
}
VOID
DebugSerialWrite (
IN UINT8 Character
)
/*++
Routine Description:
DebugSerialWrite - Outputs a character to the Serial port
Repeatedly polls the TXRDY bit of the Line Status Register
until the Transmitter Holding Register is empty. The character
is then written to the Serial port.
Arguments:
Character - Character to write
Returns:
None
--*/
{
UINT8 Data;
//
// Wait for the serail port to be ready.
//
do {
Data = IoRead8 (gComBase + LSR_OFFSET);
} while ((Data & LSR_TXRDY) == 0);
IoWrite8 (gComBase, Character);
}
VOID
DebugSerialPrint (
IN CHAR8 *OutputString
)
/*++
Routine Description:
Prints a string to the Serial port
Arguments:
OutputString - Ascii string to print to serial port.
Returns:
None
--*/
{
for ( ; *OutputString != 0; OutputString++) {
DebugSerialWrite (*OutputString);
}
}
EFI_STATUS
EFIAPI
SerialReportStatusCode (
@@ -697,7 +628,7 @@ Returns:
CHAR8 *Format;
BASE_LIST Marker;
UINT32 ErrorLevel;
UINTN CharCount;
UINTN CharCount = 0;
Buffer[0] = '\0';
@@ -706,7 +637,7 @@ Returns:
//
// Processes PEI_ASSERT ()
//
AsciiSPrint (
CharCount = AsciiSPrint (
Buffer,
sizeof (Buffer),
"\nPEI_ASSERT!: %a (%d): %a\n",
@@ -720,7 +651,7 @@ Returns:
//
// Process PEI_DEBUG () macro to Serial
//
AsciiBSPrint (Buffer, sizeof (Buffer), Format, Marker);
CharCount = AsciiBSPrint (Buffer, sizeof (Buffer), Format, Marker);
} else if ((CodeType & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) {
//
@@ -744,7 +675,7 @@ Returns:
//
// Callout to platform Lib function to do print.
//
DebugSerialPrint (Buffer);
SerialPortWrite (Buffer, CharCount);
}
//
@@ -786,7 +717,7 @@ Returns:
//
// Concatenate the instance
//
AsciiSPrint (
CharCount = AsciiSPrint (
Buffer,
sizeof (Buffer),
"%a:%a:%a:%d\n",
@@ -796,7 +727,7 @@ Returns:
Instance
);
DebugSerialPrint (Buffer);
SerialPortWrite (Buffer, CharCount);
}
}
@@ -812,15 +743,11 @@ InstallSerialStatusCode (
Routine Description:
Initialize Serial Port
The Baud Rate Divisor registers are programmed and the LCR
is used to configure the communications format. Hard coded
UART config comes from globals in DebugSerialPlatform lib.
Initialize Serial Port and Status Code Handler
Arguments:
None
ReportStatusCode - A pointer to the handler
Returns:
@@ -828,41 +755,6 @@ Returns:
--*/
{
UINTN Divisor;
UINT8 OutputData;
UINT8 Data;
//
// Some init is done by the platform status code initialization.
//
//
// Map 5..8 to 0..3
//
Data = (UINT8) (gData - (UINT8)5);
//
// Calculate divisor for baud generator
//
Divisor = 115200 / gBps;
//
// Set communications format
//
OutputData = (UINT8)((DLAB << 7) | ((gBreakSet << 6) | ((gParity << 3) | ((gStop << 2) | Data))));
IoWrite8 (gComBase + LCR_OFFSET, OutputData);
//
// Configure baud rate
//
IoWrite8 (gComBase + BAUD_HIGH_OFFSET, (UINT8)(Divisor >> 8));
IoWrite8 (gComBase + BAUD_LOW_OFFSET, (UINT8)(Divisor & 0xff));
//
// Switch back to bank 0
//
OutputData = (UINT8)((~DLAB<<7)|((gBreakSet<<6)|((gParity<<3)|((gStop<<2)| Data))));
IoWrite8 (gComBase + LCR_OFFSET, OutputData);
SerialPortInitialize();
*ReportStatusCode = SerialReportStatusCode;
}