mirror of https://github.com/acidanthera/audk.git
Get TimerDxe driver compiling.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10497 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
parent
4099cdc7bc
commit
9203284167
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@ -351,6 +351,7 @@
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EmbeddedPkg/MetronomeDxe/MetronomeDxe.inf
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ArmEbPkg/InterruptDxe/InterruptDxe.inf
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ArmEbPkg/TimerDxe/TimerDxe.inf
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#
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# Semi-hosting filesystem
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@ -108,6 +108,9 @@ READ_LOCK_STATUS = TRUE
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INF EmbeddedPkg/RealTimeClockRuntimeDxe/RealTimeClockRuntimeDxe.inf
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INF EmbeddedPkg/MetronomeDxe/MetronomeDxe.inf
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INF ArmEbPkg/InterruptDxe/InterruptDxe.inf
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INF ArmEbPkg/TimerDxe/TimerDxe.inf
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#
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# Semi-hosting filesystem
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#
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@ -15,5 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#define __ARM_EB_H__
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#include <ArmEb\ArmEbUart.h>
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#include <ArmEb\ArmEbTimer.h>
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#endif
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@ -0,0 +1,78 @@
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/*++
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Copyright (c) 2009, Hewlett-Packard Company
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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Timer.h
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Abstract:
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Driver implementing the EFI 2.0 timer protocol using the ARM SP804 timer.
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--*/
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#ifndef _TIMER_SP804_H__
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#define _TIMER_SP804_H__
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// EB board constants
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#define EB_SP810_CTRL_BASE 0x10001000
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#define EB_SP804_TIMER0_BASE 0x10011000
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#define EB_SP804_TIMER1_BASE 0x10011020
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#define EB_SP804_TIMER2_BASE 0x10012000
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#define EB_SP804_TIMER3_BASE 0x10012020
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#define EB_TIMER01_INTERRUPT_NUM 36
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#define EB_TIMER23_INTERRUPT_NUM 37
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// SP804 Timer constants
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#define SP804_TIMER_LOAD_REG 0x00
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#define SP804_TIMER_CURRENT_REG 0x04
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#define SP804_TIMER_CONTROL_REG 0x08
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#define SP804_TIMER_INT_CLR_REG 0x0C
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#define SP804_TIMER_RAW_INT_STS_REG 0x10
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#define SP804_TIMER_MSK_INT_STS_REG 0x14
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#define SP804_TIMER_BG_LOAD_REG 0x18
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// Timer control register bit definitions
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#define SP804_TIMER_CTRL_ONESHOT BIT0
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#define SP804_TIMER_CTRL_32BIT BIT1
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#define SP804_TIMER_CTRL_PRESCALE_MASK (BIT3|BIT2)
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#define SP804_PRESCALE_DIV_1 0
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#define SP804_PRESCALE_DIV_16 BIT2
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#define SP804_PRESCALE_DIV_256 BIT3
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#define SP804_TIMER_CTRL_INT_ENABLE BIT5
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#define SP804_TIMER_CTRL_PERIODIC BIT6
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#define SP804_TIMER_CTRL_ENABLE BIT7
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// SP810 System Controller constants
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#define SP810_SYS_CTRL_REG 0x00
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#define SP810_SYS_CTRL_TIMER0_TIMCLK BIT15 // 0=REFCLK, 1=TIMCLK
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#define SP810_SYS_CTRL_TIMER0_EN BIT16
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#define SP810_SYS_CTRL_TIMER1_TIMCLK BIT17 // 0=REFCLK, 1=TIMCLK
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#define SP810_SYS_CTRL_TIMER1_EN BIT18
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#define SP810_SYS_CTRL_TIMER2_TIMCLK BIT19 // 0=REFCLK, 1=TIMCLK
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#define SP810_SYS_CTRL_TIMER2_EN BIT20
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#define SP810_SYS_CTRL_TIMER3_TIMCLK BIT21 // 0=REFCLK, 1=TIMCLK
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#define SP810_SYS_CTRL_TIMER3_EN BIT22
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// default timer tick period - 1ms, or 10000 units of 100ns
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//#define TIMER_DEFAULT_PERIOD 10000
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// default timer tick period - 50ms, or 500000 units of 100ns
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#define TIMER_DEFAULT_PERIOD 500000
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// default timer tick period - 500ms, or 5000000 units of 100ns
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//#define TIMER_DEFAULT_PERIOD 5000000
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#endif
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@ -23,7 +23,6 @@
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#include <Library/UefiLib.h>
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#include <Library/PcdLib.h>
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#include <Library/IoLib.h>
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#include <Library/OmapLib.h>
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#include <Protocol/Timer.h>
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#include <Protocol/HardwareInterrupt.h>
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@ -44,6 +43,8 @@ EFI_HARDWARE_INTERRUPT_PROTOCOL *gInterrupt = NULL;
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// Cached interrupt vector
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UINTN gVector;
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UINT32 mLastTickCount;
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/**
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@ -184,7 +185,7 @@ TimerDriverSetTimerPeriod (
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Status = gInterrupt->DisableInterruptSource (gInterrupt, gVector);
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} else {
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// Convert TimerPeriod into 1MHz clock counts (us units = 100ns units / 10)
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TimerTicks = DivU64x32 (TimerPeriod, 10, NULL);
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TimerTicks = DivU64x32 (TimerPeriod, 10);
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// if it's larger than 32-bits, pin to highest value
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if (TimerTicks > 0xffffffff) {
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@ -352,10 +353,6 @@ TimerInitialize (
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// Disable the timer
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Status = TimerDriverSetTimerPeriod (&gTimer, 0);
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ASSERT_EFI_ERROR (Status);
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// Install interrupt handler for SP804 timer 0/1 interrupts
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Status = mGic->RegisterInterruptHandler(mGic, EB_TIMER01_INTERRUPT_NUM, TimerInterruptHandler);
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ASSERT_EFI_ERROR (Status);
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// Install interrupt handler
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gVector = EB_TIMER01_INTERRUPT_NUM;
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@ -28,7 +28,7 @@
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[Packages]
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MdePkg/MdePkg.dec
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EmbeddedPkg/EmbeddedPkg.dec
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ArmPkg/ArmPkg.dec
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ArmEbPkg/ArmEbPkg.dec
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[LibraryClasses]
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BaseLib
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