epoc32/include/assp/template_assp/template_assp.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // template\template_assp\template_assp.h
    15 // Definitions for Template ASSP
    16 // 
    17 //
    18 
    19 
    20 
    21 #ifndef __A32TEMPLATEV1_H__
    22 #define __A32TEMPLATEV1_H__
    23 #include <e32const.h>
    24 #include <platform.h>
    25 #include <e32hal.h>
    26 #include <assp.h>
    27 #include <kern_priv.h>
    28 
    29 //----------------------------------------------------------------------------
    30 // Constant conventions:
    31 //----------------------------------------------------------------------------
    32 
    33 // KH		Hardware definition
    34 // KHw		4-byte word definition prefix
    35 // KHb		Byte definition prefix
    36 // KHt		Bit definition prefix
    37 // KHm		Mask definition prefix
    38 // KHs		Shift definition prefix
    39 // KHo		Offset definition prefix
    40 // KHwRo	Read-only register
    41 // KHwWo	Write-only register
    42 // KHwRw	Read/write register
    43 // KHwBase	Base address within memory map
    44 // _i		Input suffix
    45 // _o		Output suffix
    46 // _b		Input/output suffix
    47 
    48 //----------------------------------------------------------------------------
    49 // Memory map: physical addresses
    50 //----------------------------------------------------------------------------
    51 // NB: these are just examples
    52 
    53 const TUint KHwBaseCs0			=	0x00000000;
    54 const TUint KHwBaseCs1			=	KHwBaseCs0 + 128*KMega;
    55 const TUint KHwBaseCs2			=	KHwBaseCs1 + 128*KMega;
    56 const TUint KHwBaseCs3			=	KHwBaseCs2 + 128*KMega;
    57 
    58 const TUint KHwBaseMemBank0		=	0x20000000;
    59 const TUint KHwBaseMemBank1		=	KHwBaseMemBank0 + 256*KMega;
    60 
    61 const TUint KHwBaseRegisters	=	0x80000000;
    62 const TUint KHwBasePeripherals	=	KHwBaseRegisters;					// 8000.0000
    63 const TUint KHwBasePeripheralsA	=	KHwBasePeripherals  + 256*KMega;	// 9000.0000
    64 const TUint KHwBasePeripheralsB	=	KHwBasePeripheralsA + 256*KMega;	// A000.0000
    65 const TUint KHwBasePeripheralsC	=	KHwBasePeripheralsB + 256*KMega;	// B000.0000
    66 
    67 // etc...
    68 
    69 //----------------------------------------------------------------------------
    70 // Memory map: linear addresses
    71 //----------------------------------------------------------------------------
    72 
    73 #if defined (__MEMMODEL_MULTIPLE__)
    74 const TUint KHwLinBaseRegisters = 0xc6000000;			// as mapped by bootstrap
    75 const TUint KHwLinSeparation	= 0x1000;
    76 #elif defined(__MEMMODEL_DIRECT__)
    77 const TUint KHwLinBaseRegisters	= 0x10000000;			// physical address (example only)
    78 const TUint KHwLinSeparation	= 0x01000000;			// physical offsets (example only)
    79 #else
    80 const TUint KHwLinBaseRegisters = 0x63000000;			// as mapped by bootstrap
    81 const TUint KHwLinSeparation	= 0x1000;
    82 #endif
    83 
    84 // EXAMPLE ONLY:
    85 const TUint KHwLinBasePeriphGroupA	=	KHwLinBaseRegisters;
    86 const TUint KHwLinBasePeripheral1	=	KHwLinBasePeriphGroupA + 0x00*KHwLinSeparation;
    87 const TUint KHwLinBasePeripheral2	=	KHwLinBasePeriphGroupA + 0x01*KHwLinSeparation;
    88 const TUint KHwLinBasePeripheral3	=	KHwLinBasePeriphGroupA + 0x02*KHwLinSeparation;
    89 const TUint KHwLinBasePeripheral4	=	KHwLinBasePeriphGroupA + 0x03*KHwLinSeparation;
    90 
    91 const TUint KHwLinBasePeriphGroupB	=	KHwLinBaseRegisters + 0x20*KHwLinSeparation;
    92 
    93 const TUint KHwBaseSerial1	=	KHwLinBasePeriphGroupB + 0x00*KHwLinSeparation;
    94 const TUint KHwBaseSerial2	=	KHwLinBasePeriphGroupB + 0x01*KHwLinSeparation;
    95 const TUint KHwBaseSerial3	=	KHwLinBasePeriphGroupB + 0x02*KHwLinSeparation;
    96 
    97 const TUint KHwLinBasePeriphGroupC	=	KHwLinBaseRegisters + 0x30*KHwLinSeparation;
    98 
    99 const TUint KHwBaseInterrupts		=	KHwLinBasePeriphGroupC + 0x00*KHwLinSeparation;
   100 const TUint KHwInterruptsMaskRo		=	KHwBaseInterrupts + 0x00;
   101 const TUint KHwInterruptsMaskSet	=	KHwBaseInterrupts + 0x04;
   102 const TUint KHwInterruptsMaskClear	=	KHwBaseInterrupts + 0x08;
   103 const TUint KHoInterruptsIrqPending	=	0x0C;
   104 const TUint KHwInterruptsIrqPending	=	KHwBaseInterrupts + KHoInterruptsIrqPending;
   105 const TUint KHoInterruptsFiqPending	=	0x10;
   106 const TUint KHwInterruptsFiqending	=	KHwBaseInterrupts + KHoInterruptsFiqPending;
   107 
   108 
   109 // Other device specifc constants, register offsets, bit masks, general-purpose I/O allocations,
   110 // interrupt sources, Memory settings and geometries, etc
   111 
   112 
   113 class TTemplate
   114 	{
   115 	/**
   116 	 * Accessor functions to hardware resources managed by ASSP (ASIC). Auxiliary and information functions which
   117 	 * are commonly used by Device Drivers or ASSP/Variant code.
   118 	 * Some examples below. These examples assume that the hardware blocks they access (e.g. Interrupt controller
   119 	 * RTC, Clock Control Module, UART, etc) are part of the ASSP.
   120 	 */
   121 public:
   122 	/**
   123 	 * initialisation
   124 	 */
   125 	static void Init3();
   126 	/**
   127 	 * Active waiting loop (not to be used after System Tick timer has been set up - Init3()
   128 	 * @param aDuration A wait time in milliseconds
   129 	 */	
   130 	IMPORT_C static void BootWaitMilliSeconds(TInt aDuration);
   131 	/**
   132 	 * Read and return the Startup reason of the Hardware
   133 	 * @return A TMachineStartupType enumerated value
   134 	 */	
   135 	IMPORT_C static TMachineStartupType StartupReason();
   136 	/**
   137 	 * Read and return the the CPU ID
   138 	 * @return An integer containing the CPU ID string read off the hardware
   139 	 */	
   140 	IMPORT_C static TInt CpuVersionId();
   141 	/**
   142 	 * Read Linear base address of debug UART (as selected in obey file or with eshell debugport command).
   143 	 * @return An integer containing the Linear address of debug Serial Port
   144 	 */	
   145 	IMPORT_C static TUint DebugPortAddr();
   146 	/**
   147 	 * Read CPU clock period in picoseconds
   148 	 * @return An integer containing the CPU clock period in picoseconds
   149 	 */	
   150 	IMPORT_C static TUint ProcessorPeriodInPs();
   151 	/**
   152 	 * Set the Hardware Interrupt masks
   153 	 * @param aValue A new interrupt mask value
   154 	 */	
   155 	IMPORT_C static void SetIntMask(TUint aValue);
   156 	/**
   157 	 * Modify the Hardware Interrupt masks
   158 	 * @param aClearMask A mask with interrupt source bits to clear (disable)
   159 	 * @param aSetMask A mask with interrupt source bits to set (enable)
   160 	 */
   161 	IMPORT_C static void ModifyIntMask(TUint aClearMask,TUint aSetMask);
   162 	/**
   163 	 * Read the state of pending interrupts
   164 	 * @return A mask containing bits set for all pending interrupts
   165 	 */	
   166 	IMPORT_C static TUint IntsPending();
   167 	/**
   168 	 * Read the current time of the RTC
   169 	 * @return A value that is the real time as given by a RTC
   170 	 */	
   171 	IMPORT_C static TUint RtcData();
   172 	/**
   173 	 * Set the RTC time 
   174 	 * @param aValue The real time to set the RTC
   175 	 */	
   176 	IMPORT_C static void SetRtcData(TUint aValue);
   177 	/**
   178 	 * Obtain the physical start address of Video Buffer
   179 	 * @return the physical start address of Video Buffer
   180 	 */	
   181 	IMPORT_C static TPhysAddr VideoRamPhys();
   182 private:
   183 	/**
   184 	 * Auxiliary accessor functions for Hardware registers (used by functions above)
   185 	 */	
   186 	static inline TUint Register32(TUint aAddr);
   187 	static inline void SetRegister32(TUint aValue, TUint aAddr);
   188 	static void ModifyRegister32(TUint aClearMask, TUint aSetMask, TUint aAddr);
   189 	/**
   190 	 * Assp-specific implementation for Kern::NanoWait function
   191 	 */
   192 	static void NanoWait(TUint32 aInterval);
   193 	};
   194 
   195 // TO DO: (optional)
   196 //
   197 // Enumerate here all ASSP interrupt souces. It could be a good idea to enumerate them in a way that facilitates
   198 // operating on the corresponding interrupt controller registers (e.g using their value as a shift count)
   199 //
   200 // EXAMPLE ONLY
   201 enum TTemplateAsspInterruptId
   202 	{
   203 	// ASSP or first-level Interrupt IDs
   204 	EAsspIntIdA=0,
   205 	EAsspIntIdB=1,
   206 	EAsspIntIdC=2,
   207 	EAsspIntIdD=3,
   208 	EAsspIntIdE=4,
   209 	// ...
   210 	EAsspIntIdUsb=11,
   211 	EAsspIntIdDma=12,
   212 	// ...
   213 	EAsspIntIdZ=25
   214 	};
   215 
   216 //
   217 // TO DO: (optional)
   218 //
   219 // Define here some commonly used ASSP interrupts
   220 //
   221 // EXAMPLE ONLY
   222 const TInt KIntIdExpansion=EAsspIntIdA;		// this is the ASSP interrupt which connects to second-level (Variant)
   223 											// Interrupt controller: all 2nd level interrupts come through this interrupt
   224 const TInt KIntIdOstMatchMsTimer=EAsspIntIdB;
   225 const TInt KIntIdDigitiser=EAsspIntIdC;
   226 const TInt KIntIdSound=EAsspIntIdD;
   227 const TInt KIntIdTimer1=EAsspIntIdE;	
   228 
   229 
   230 #endif