Add DuetTimerLib and DuetSerialIo library instance.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5162 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2008-05-05 07:21:29 +00:00
parent ccb3cad09f
commit f5752cb24c
5 changed files with 517 additions and 2 deletions

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@ -48,7 +48,7 @@
OemHookStatusCodeLib|IntelFrameworkModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf OemHookStatusCodeLib|IntelFrameworkModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
TimerLib|MdePkg/Library/SecPeiDxeTimerLibCpu/SecPeiDxeTimerLibCpu.inf TimerLib|DuetPkg/Library/DuetTimerLib/DuetTimerLib.inf
[LibraryClasses.common.DXE_DRIVER] [LibraryClasses.common.DXE_DRIVER]
MemoryAllocationLib|MdePkg/Library/DxeMemoryAllocationLib/DxeMemoryAllocationLib.inf MemoryAllocationLib|MdePkg/Library/DxeMemoryAllocationLib/DxeMemoryAllocationLib.inf
@ -79,7 +79,6 @@
ReportStatusCodeLib|IntelFrameworkModulePkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf ReportStatusCodeLib|IntelFrameworkModulePkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf
SerialPortLib|DuetPkg/Library/DuetSerialIoLib/DuetSerialIoLib.inf SerialPortLib|DuetPkg/Library/DuetSerialIoLib/DuetSerialIoLib.inf
IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
#TimerLib|MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf
DebugLib|IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/PeiDxeDebugLibReportStatusCode.inf DebugLib|IntelFrameworkModulePkg/Library/PeiDxeDebugLibReportStatusCode/PeiDxeDebugLibReportStatusCode.inf
[LibraryClasses.common.UEFI_DRIVER] [LibraryClasses.common.UEFI_DRIVER]

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@ -0,0 +1,36 @@
#/**@file
# This library instance produce SerialIo library class for DUET platform.
#
# Copyright (c) 2006 - 2007, Intel Corporation
# All rights reserved. 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.
#
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = DuetSerialPortLib
FILE_GUID = 1B25AF84-1EA8-4b52-894E-BFA6880B97FF
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
LIBRARY_CLASS = SerialPortLib
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x0002000A
[Packages]
MdePkg/MdePkg.dec
[LibraryClasses]
SerialPortLib
IoLib
[Sources.common]
SerialPortLib.c

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/** @file
Serial I/O Port library functions with no library constructor/destructor
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
**/
#include <Base.h>
#include <Library/IoLib.h>
#include <Library/SerialPortLib.h>
//---------------------------------------------
// UART Register Offsets
//---------------------------------------------
#define BAUD_LOW_OFFSET 0x00
#define BAUD_HIGH_OFFSET 0x01
#define IER_OFFSET 0x01
#define LCR_SHADOW_OFFSET 0x01
#define FCR_SHADOW_OFFSET 0x02
#define IR_CONTROL_OFFSET 0x02
#define FCR_OFFSET 0x02
#define EIR_OFFSET 0x02
#define BSR_OFFSET 0x03
#define LCR_OFFSET 0x03
#define MCR_OFFSET 0x04
#define LSR_OFFSET 0x05
#define MSR_OFFSET 0x06
//---------------------------------------------
// UART Register Bit Defines
//---------------------------------------------
#define LSR_TXRDY 0x20
#define LSR_RXDA 0x01
#define DLAB 0x01
UINT16 gComBase = 0x3f8;
UINTN gBps = 115200;
UINT8 gData = 8;
UINT8 gStop = 1;
UINT8 gParity = 0;
UINT8 gBreakSet = 0;
/*
Programmed hardware of Serial port.
@return Always return EFI_UNSUPPORTED.
**/
RETURN_STATUS
EFIAPI
SerialPortInitialize (
VOID
)
{
UINTN Divisor;
UINT8 OutputData;
UINT8 Data;
//
// 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);
return RETURN_SUCCESS;
}
/**
Write data to serial device.
@param Buffer Point of data buffer which need to be writed.
@param NumberOfBytes Number of output bytes which are cached in Buffer.
@retval 0 Write data failed.
@retval !0 Actual number of bytes writed to serial device.
**/
UINTN
EFIAPI
SerialPortWrite (
IN UINT8 *Buffer,
IN UINTN NumberOfBytes
)
{
UINTN Result;
UINT8 Data;
if (NULL == Buffer) {
return 0;
}
Result = NumberOfBytes;
while (NumberOfBytes--) {
//
// Wait for the serail port to be ready.
//
do {
Data = IoRead8 (gComBase + LSR_OFFSET);
} while ((Data & LSR_TXRDY) == 0);
IoWrite8 (gComBase, *Buffer++);
}
return Result;
}
/**
Read data from serial device and save the datas in buffer.
@param Buffer Point of data buffer which need to be writed.
@param NumberOfBytes Number of output bytes which are cached in Buffer.
@retval 0 Read data failed.
@retval !0 Aactual number of bytes read from serial device.
**/
UINTN
EFIAPI
SerialPortRead (
OUT UINT8 *Buffer,
IN UINTN NumberOfBytes
)
{
return 0;
}

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#/** @file
# Timer Library implementation for Boot Timer moudles that require timer services.
#
# Timer Library that uses CPU resources to provide calibrated
# delays on IA-32 and x64, and uses ITC on IPF. Note: Because CpuLocalApci
# and ITC could be programmed by OS, it cannot be used by SMM drivers
# and runtime drivers, ACPI timer is recommended for SMM drivers and RUNTIME
# drivers.
# Copyright (c) 2007, Intel Corporation.
#
# All rights reserved. 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.
#
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = DuetTimerLib
FILE_GUID = 5F9A01F5-726E-4f59-809D-887F4766734E
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = TimerLib
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
#
# VALID_ARCHITECTURES = IA32 X64
#
[Sources.Ia32]
x86TimerLib.c
[Sources.X64]
x86TimerLib.c
[Packages]
MdePkg/MdePkg.dec
[LibraryClasses]
BaseLib
[LibraryClasses.IA32]
PcdLib
IoLib
[LibraryClasses.X64]
PcdLib
IoLib
[LibraryClasses.IPF]
DebugLib
PalCallLib
[Pcd.IA32]
gEfiMdePkgTokenSpaceGuid.PcdFSBClock
[Pcd.X64]
gEfiMdePkgTokenSpaceGuid.PcdFSBClock

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/** @file
Timer Library functions built upon local APIC on IA32/x64.
Copyright (c) 2006 - 2007, Intel Corporation<BR>
All rights reserved. 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.
**/
#include <Base.h>
#include <Library/TimerLib.h>
#include <Library/BaseLib.h>
#include <Library/IoLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
//
// The following array is used in calculating the frequency of local APIC
// timer. Refer to IA-32 developers' manual for more details.
//
GLOBAL_REMOVE_IF_UNREFERENCED
CONST UINT8 mTimerLibLocalApicDivisor[] = {
0x02, 0x04, 0x08, 0x10,
0x02, 0x04, 0x08, 0x10,
0x20, 0x40, 0x80, 0x01,
0x20, 0x40, 0x80, 0x01
};
/**
Internal function to retrieve the base address of local APIC.
Internal function to retrieve the base address of local APIC.
@return The base address of local APIC
**/
STATIC
UINTN
InternalX86GetApicBase (
VOID
)
{
return (UINTN)AsmMsrBitFieldRead64 (27, 12, 35) << 12;
}
/**
Internal function to return the frequency of the local APIC timer.
Internal function to return the frequency of the local APIC timer.
@param ApicBase The base address of memory mapped registers of local APIC.
@return The frequency of the timer in Hz.
**/
STATIC
UINT32
InternalX86GetTimerFrequency (
IN UINTN ApicBase
)
{
return
PcdGet32(PcdFSBClock) /
mTimerLibLocalApicDivisor[MmioBitFieldRead32 (ApicBase + 0x3e0, 0, 3)];
}
/**
Internal function to read the current tick counter of local APIC.
Internal function to read the current tick counter of local APIC.
@param ApicBase The base address of memory mapped registers of local APIC.
@return The tick counter read.
**/
STATIC
INT32
InternalX86GetTimerTick (
IN UINTN ApicBase
)
{
return MmioRead32 (ApicBase + 0x390);
}
/**
Stalls the CPU for at least the given number of ticks.
Stalls the CPU for at least the given number of ticks. It's invoked by
MicroSecondDelay() and NanoSecondDelay().
@param ApicBase The base address of memory mapped registers of local APIC.
@param Delay A period of time to delay in ticks.
**/
STATIC
VOID
InternalX86Delay (
IN UINTN ApicBase,
IN UINT32 Delay
)
{
INT32 Ticks;
//
// The target timer count is calculated here
//
Ticks = InternalX86GetTimerTick (ApicBase) - Delay;
//
// Wait until time out
// Delay > 2^31 could not be handled by this function
// Timer wrap-arounds are handled correctly by this function
//
while (InternalX86GetTimerTick (ApicBase) - Ticks >= 0);
}
/**
Stalls the CPU for at least the given number of microseconds.
Stalls the CPU for the number of microseconds specified by MicroSeconds.
@param MicroSeconds The minimum number of microseconds to delay.
@return MicroSeconds
**/
UINTN
EFIAPI
MicroSecondDelay (
IN UINTN MicroSeconds
)
{
UINTN ApicBase;
ApicBase = InternalX86GetApicBase ();
InternalX86Delay (
ApicBase,
(UINT32)DivU64x32 (
MultU64x64 (
InternalX86GetTimerFrequency (ApicBase),
MicroSeconds
),
1000000u
)
);
return MicroSeconds;
}
/**
Stalls the CPU for at least the given number of nanoseconds.
Stalls the CPU for the number of nanoseconds specified by NanoSeconds.
@param NanoSeconds The minimum number of nanoseconds to delay.
@return NanoSeconds
**/
UINTN
EFIAPI
NanoSecondDelay (
IN UINTN NanoSeconds
)
{
UINTN ApicBase;
ApicBase = InternalX86GetApicBase ();
InternalX86Delay (
ApicBase,
(UINT32)DivU64x32 (
MultU64x64 (
InternalX86GetTimerFrequency (ApicBase),
NanoSeconds
),
1000000000u
)
);
return NanoSeconds;
}
/**
Retrieves the current value of a 64-bit free running performance counter.
Retrieves the current value of a 64-bit free running performance counter. The
counter can either count up by 1 or count down by 1. If the physical
performance counter counts by a larger increment, then the counter values
must be translated. The properties of the counter can be retrieved from
GetPerformanceCounterProperties().
@return The current value of the free running performance counter.
**/
UINT64
EFIAPI
GetPerformanceCounter (
VOID
)
{
return (UINT64)(UINT32)InternalX86GetTimerTick (InternalX86GetApicBase ());
}
/**
Retrieves the 64-bit frequency in Hz and the range of performance counter
values.
If StartValue is not NULL, then the value that the performance counter starts
with immediately after is it rolls over is returned in StartValue. If
EndValue is not NULL, then the value that the performance counter end with
immediately before it rolls over is returned in EndValue. The 64-bit
frequency of the performance counter in Hz is always returned. If StartValue
is less than EndValue, then the performance counter counts up. If StartValue
is greater than EndValue, then the performance counter counts down. For
example, a 64-bit free running counter that counts up would have a StartValue
of 0 and an EndValue of 0xFFFFFFFFFFFFFFFF. A 24-bit free running counter
that counts down would have a StartValue of 0xFFFFFF and an EndValue of 0.
@param StartValue The value the performance counter starts with when it
rolls over.
@param EndValue The value that the performance counter ends with before
it rolls over.
@return The frequency in Hz.
**/
UINT64
EFIAPI
GetPerformanceCounterProperties (
OUT UINT64 *StartValue, OPTIONAL
OUT UINT64 *EndValue OPTIONAL
)
{
UINTN ApicBase;
ApicBase = InternalX86GetApicBase ();
if (StartValue != NULL) {
*StartValue = MmioRead32 (ApicBase + 0x380);
}
if (EndValue != NULL) {
*EndValue = 0;
}
return (UINT64) InternalX86GetTimerFrequency (ApicBase);;
}