--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/nkernsmp/arm/arm_tmr.h Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,84 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// e32\include\nkernsmp\arm\arm_tmr.h
+//
+// WARNING: This file contains some APIs which are internal and are subject
+// to change without notice. Such APIs should therefore not be used
+// outside the Kernel and Hardware Services package.
+//
+
+#ifndef __ARM_TMR_H__
+#define __ARM_TMR_H__
+#include <e32def.h>
+
+#ifdef __STANDALONE_NANOKERNEL__
+#undef __IN_KERNEL__
+#define __IN_KERNEL__
+#endif
+
+#if !defined(__CPU_ARM11MP__) && !defined(__CPU_CORTEX_A9__)
+#error Unknown local timer
+#endif
+
+// Local timer looks the same on ARM11MP and Cortex A9
+struct ArmLocalTimer
+ {
+ volatile TUint32 iTimerLoad; // 00 Timer reload value (write also writes counter)
+ volatile TUint32 iTimerCount; // 04 Timer instantaneous count value
+ volatile TUint32 iTimerCtrl; // 08 Timer control register
+ volatile TUint32 iTimerIntStatus; // 0C Timer interrupt status register
+ volatile TUint32 i_Spare1[4]; // 10 unused
+ volatile TUint32 iWatchdogLoad; // 20 Watchdog reload value (write also writes counter)
+ volatile TUint32 iWatchdogCount; // 24 Watchdog instantaneous count value
+ volatile TUint32 iWatchdogCtrl; // 28 Watchdog control register
+ volatile TUint32 iWatchdogIntStatus; // 2C Watchdog interrupt status register
+ volatile TUint32 iWatchdogResetSent; // 30 Watchdog reset sent register
+ volatile TUint32 iWatchdogDisable; // 34 Watchdog disable register
+ volatile TUint32 i_Spare2[50]; // 38 unused
+ };
+
+__ASSERT_COMPILE(sizeof(ArmLocalTimer)==0x100);
+
+// These bits apply to both timer and watchdog control registers
+enum TArmTimerCtrl
+ {
+ E_ArmTmrCtrl_Enable =1u, // when set, timer counts down
+ E_ArmTmrCtrl_Reload =2u, // when set, timer reloads on reaching zero
+ E_ArmTmrCtrl_IntEn =4u, // when set enables timer interrupt
+ E_ArmTmrCtrl_WD =8u, // set when in watchdog mode (watchdog only, can write to 1 but not 0)
+ E_ArmTmrCtrl_PrescaleShift =8u,
+ E_ArmTmrCtrl_PrescaleMask =0xff00u, // bits 8-15 = prescale value - divides by (P+1)
+ // input to prescaler is PERIPHCLK (=CPUCLK/2 on NE1, CPUCLK/N in general, N>=2)
+ E_ArmTmrCtrl_Prescale64 =0x3f00u, // value to prescale by 64 (matches cycle counter prescaler)
+ };
+
+enum TArmTimerIntStatus
+ {
+ E_ArmTmrIntStatus_Event =1u // set when timer counter reaches zero, write 1 to clear
+ };
+
+enum TArmTimerWRS
+ {
+ E_ArmTmrWRS_ResetSent =1u // set if the watchdog caused a reset, write 1 to clear
+ };
+
+enum TArmTimerWDDisable
+ {
+ E_ArmTmrWDD_1 =0x12345678u, // to disable watchdog, write this ...
+ E_ArmTmrWDD_2 =0x87654321u, // ... then this with no intervening writes
+ };
+
+
+
+#endif // __ARM_TMR_H__