marvell/obm/Common/Include/Partition.h

/******************************************************************************
 *
 *  (C)Copyright 2005 - 2011 Marvell. All Rights Reserved.
 *
 *  THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MARVELL.
 *  The copyright notice above does not evidence any actual or intended
 *  publication of such source code.
 *  This Module contains Proprietary Information of Marvell and should be
 *  treated as Confidential.
 *  The information in this file is provided for the exclusive use of the
 *  licensees of Marvell.
 *  Such users have the right to use, modify, and incorporate this code into
 *  products for purposes authorized by the license agreement provided they
 *  include this notice and the associated copyright notice with any such
 *  product.
 *  The information in this file is provided "AS IS" without warranty.
 
 ******************************************************************************/

#ifndef __Partition_H__
#define __Partition_H__

#include "Typedef.h"
#include "BBM.h"

//Marvell Master Partition Table ID: "MRVL MPT"
#define MARVELL_PARTITION_TABLE_ID0	0x4D52564C
#define MARVELL_PARTITION_TABLE_ID1	0x204D5054

/* Partition Info values */
//Type
#define PI_TYPE_PHYSICAL	0x50687973		//"Phys"
#define PI_TYPE_LOGICAL		0x4C6F6769		//"Logi"

//Usage
#define PI_USAGE_BOOT		0x424F4F54		//"Boot" Boot Partition
#define PI_USAGE_OSLD		0x4F534C44		//"OSLD" OS Loader Partition
#define PI_USAGE_KRNL		0x4B524E4C		//"KRNL" Kernal Partition
#define PI_USAGE_FFOS		0x46464F53		//"FFOS" FF OS Partition
#define PI_USAGE_FSYS		0x46535953		//"FSYS" File System Partition

//Partition Attributes
typedef struct
{
	UINT ReadOnly		: 1;
	UINT Writable		: 1;
	UINT Executable		: 1;
	UINT Compressed		: 1;
	UINT CompressType	: 4;
	UINT Reserved		: 24;
} PartAttributes_T;

//Reserved Pool Algorithm
#define PI_RP_ALGO_NA		0x00000000		//Reserved Pool Not Used
#define PI_RP_ALGO_UPWD		0x55505744		//"UPWD" Reserved Pool grows Upwards
#define PI_RP_ALGO_DNWD		0x444E5744		//"DNWD" Reserved Pool grows Downwards

/*  End of Partition Info values */



// Indicates the state of the PT in volatile memory
typedef enum
{
	PT_INVALID	= 1,
	PT_VALID	= 2,
	PT_NEW		= 3		//this means that either the PT was loaded externally, OR block 0 was erased
} PTState_T;

//Partition table structure:
typedef struct {
	UINT_T				Type;				//Partition Type
	UINT_T				Usage;				//Partition Usage
	UINT_T				Indentifier;		//Partition ID
	PartAttributes_T	Attributes;			//Attributes for this partition
	UINT_T				StartAddr;			//Absolute address of start of partition
	UINT_T				Reserved1;				//for now, the upper 32bits of 64bit address are reserved
	UINT_T				EndAddr;			//Absolute address of end of partition
	UINT_T				Reserved2;				//for now, the upper 32bits of 64bit address are reserved
	UINT_T				ReserveStartAddr;	//Absolute address of start of reserved pool
	UINT_T				Reserved3;				//for now, the upper 32bits of 64bit address are reserved
	UINT_T				ReserveSize;		//Size of the reserved pool
	UINT_T				Reserved4;				//for now, the upper 32bits of 64bit address are reserved
	UINT_T				ReserveAlgorithm;	//Reserved pool algorithm
	BBT_TYPE			BBT_Type; 			//runtime BBT type
	UINT_T				RBBT_Location;		//Absolute address of runtime BBT
	UINT_T				Reserved5;				//for now, the upper 32bits of 64bit address are reserved
	UINT_T				BackupRBBT_Location;//Absoulte address of backup runtime BBT
	UINT_T				Reserved6;				//for now, the upper 32bits of 64bit address are reserved
	UINT_T				Reserved[2];
} PartitionInfo_T, *P_PartitionInfo_T;

typedef struct 
{
	union
	{
		UINT64			Identifier;		//Partiton Table ID
		struct
		{
			UINT_T		Identifier0;	// low half - for easier code access
			UINT_T		Identifier1;	// hi half
		};
	};

	UINT_T			Version;		//Partition Version
	UINT_T			NumPartitions;	//Number of partitions
	UINT_T			Reserved[2];
} PartitionTable_T, *P_PartitionTable_T;


#endif