drivers/staging/bcm/nvm.h

/***************************************************************************************
//
// Copyright (c) Beceem Communications Inc.
//
// Module Name:
//	 NVM.h
//
// Abstract:
//	This file has the prototypes,preprocessors and definitions various NVM libraries.
//
//
// Revision History:
//	 Who 		When		What
//	 --------	--------	----------------------------------------------
//	 Name		Date		Created/reviewed/modified
//
// Notes:
//
****************************************************************************************/


#ifndef _NVM_H_
#define _NVM_H_

typedef struct _FLASH_SECTOR_INFO
{
	UINT uiSectorSig;
	UINT uiSectorSize;

}FLASH_SECTOR_INFO,*PFLASH_SECTOR_INFO;

typedef struct _FLASH_CS_INFO
{
	B_UINT32 MagicNumber;
// let the magic number be 0xBECE-F1A5 - F1A5 for "flas-h"

	B_UINT32 FlashLayoutVersion ;

    // ISO Image/Format/BuildTool versioning
    B_UINT32 ISOImageVersion;

    // SCSI/Flash BootLoader versioning
    B_UINT32 SCSIFirmwareVersion;


	B_UINT32 OffsetFromZeroForPart1ISOImage;
// typically 0

	B_UINT32 OffsetFromZeroForScsiFirmware;
//typically at 12MB

	B_UINT32 SizeOfScsiFirmware ;
//size of the firmware - depends on binary size

	B_UINT32 OffsetFromZeroForPart2ISOImage;
// typically at first Word Aligned offset 12MB +                 sizeOfScsiFirmware.

	B_UINT32 OffsetFromZeroForCalibrationStart;
// typically at 15MB

	B_UINT32 OffsetFromZeroForCalibrationEnd;

// VSA0 offsets
	B_UINT32 OffsetFromZeroForVSAStart;
	B_UINT32 OffsetFromZeroForVSAEnd;

// Control Section offsets
	B_UINT32 OffsetFromZeroForControlSectionStart;
	B_UINT32 OffsetFromZeroForControlSectionData;

// NO Data Activity timeout to switch from MSC to NW Mode
	B_UINT32 CDLessInactivityTimeout;

// New ISO Image Signature
	B_UINT32 NewImageSignature;

// Signature to validate the sector size.
	B_UINT32 FlashSectorSizeSig;

// Sector Size
	B_UINT32 FlashSectorSize;

// Write Size Support
	B_UINT32 FlashWriteSupportSize;

// Total Flash Size
	B_UINT32 TotalFlashSize;

// Flash Base Address for offset specified
	B_UINT32 FlashBaseAddr;

// Flash Part Max Size
	B_UINT32 FlashPartMaxSize;

// Is CDLess or Flash Bootloader
	B_UINT32 IsCDLessDeviceBootSig;

// MSC Timeout after reset to switch from MSC to NW Mode
	B_UINT32 MassStorageTimeout;


}FLASH_CS_INFO,*PFLASH_CS_INFO;

#define FLASH2X_TOTAL_SIZE (64*1024*1024)
#define DEFAULT_SECTOR_SIZE                     (64*1024)

typedef struct _FLASH_2X_CS_INFO
{

	// magic number as 0xBECE-F1A5 - F1A5 for "flas-h"
	B_UINT32 MagicNumber;

	B_UINT32 FlashLayoutVersion ;

    // ISO Image/Format/BuildTool versioning
    B_UINT32 ISOImageVersion;

    // SCSI/Flash BootLoader versioning
    B_UINT32 SCSIFirmwareVersion;

	// ISO Image1 Part1/SCSI Firmware/Flash Bootloader Start offset, size
	B_UINT32 OffsetFromZeroForPart1ISOImage;
	B_UINT32 OffsetFromZeroForScsiFirmware;
	B_UINT32 SizeOfScsiFirmware ;

	// ISO Image1 Part2 start offset
	B_UINT32 OffsetFromZeroForPart2ISOImage;


	// DSD0 offset
	B_UINT32 OffsetFromZeroForDSDStart;
	B_UINT32 OffsetFromZeroForDSDEnd;

	// VSA0 offset
	B_UINT32 OffsetFromZeroForVSAStart;
	B_UINT32 OffsetFromZeroForVSAEnd;

	// Control Section offset
	B_UINT32 OffsetFromZeroForControlSectionStart;
	B_UINT32 OffsetFromZeroForControlSectionData;

	// NO Data Activity timeout to switch from MSC to NW Mode
	B_UINT32 CDLessInactivityTimeout;

	// New ISO Image Signature
	B_UINT32 NewImageSignature;

	B_UINT32 FlashSectorSizeSig;			// Sector Size Signature
	B_UINT32 FlashSectorSize;			// Sector Size
	B_UINT32 FlashWriteSupportSize; 	// Write Size Support

	B_UINT32 TotalFlashSize;			// Total Flash Size

	// Flash Base Address for offset specified
	B_UINT32 FlashBaseAddr;
	B_UINT32 FlashPartMaxSize;			// Flash Part Max Size

	// Is CDLess or Flash Bootloader
	B_UINT32 IsCDLessDeviceBootSig;

	// MSC Timeout after reset to switch from MSC to NW Mode
	B_UINT32 MassStorageTimeout;

	/* Flash Map 2.0 Field */
	B_UINT32 OffsetISOImage1Part1Start; 	// ISO Image1 Part1 offset
	B_UINT32 OffsetISOImage1Part1End;
	B_UINT32 OffsetISOImage1Part2Start; 	// ISO Image1 Part2 offset
	B_UINT32 OffsetISOImage1Part2End;
	B_UINT32 OffsetISOImage1Part3Start; 	// ISO Image1 Part3 offset
	B_UINT32 OffsetISOImage1Part3End;

	B_UINT32 OffsetISOImage2Part1Start; 	// ISO Image2 Part1 offset
	B_UINT32 OffsetISOImage2Part1End;
	B_UINT32 OffsetISOImage2Part2Start; 	// ISO Image2 Part2 offset
	B_UINT32 OffsetISOImage2Part2End;
	B_UINT32 OffsetISOImage2Part3Start; 	// ISO Image2 Part3 offset
	B_UINT32 OffsetISOImage2Part3End;


	// DSD Header offset from start of DSD
	B_UINT32 OffsetFromDSDStartForDSDHeader;
	B_UINT32 OffsetFromZeroForDSD1Start;	// DSD 1 offset
	B_UINT32 OffsetFromZeroForDSD1End;
	B_UINT32 OffsetFromZeroForDSD2Start;	// DSD 2 offset
	B_UINT32 OffsetFromZeroForDSD2End;

	B_UINT32 OffsetFromZeroForVSA1Start;	// VSA 1 offset
	B_UINT32 OffsetFromZeroForVSA1End;
	B_UINT32 OffsetFromZeroForVSA2Start;	// VSA 2 offset
	B_UINT32 OffsetFromZeroForVSA2End;

	/*
*	 ACCESS_BITS_PER_SECTOR	2
*	ACCESS_RW			0
*	ACCESS_RO				1
*	ACCESS_RESVD			2
*	ACCESS_RESVD			3
*	*/
	B_UINT32 SectorAccessBitMap[FLASH2X_TOTAL_SIZE/(DEFAULT_SECTOR_SIZE *16)];

// All expansions to the control data structure should add here

}FLASH2X_CS_INFO,*PFLASH2X_CS_INFO;

typedef struct _VENDOR_SECTION_INFO
{
	B_UINT32 OffsetFromZeroForSectionStart;
	B_UINT32 OffsetFromZeroForSectionEnd;
	B_UINT32 AccessFlags;
	B_UINT32 Reserved[16];

} VENDOR_SECTION_INFO, *PVENDOR_SECTION_INFO;

typedef struct _FLASH2X_VENDORSPECIFIC_INFO
{
	VENDOR_SECTION_INFO VendorSection[TOTAL_SECTIONS];
	B_UINT32 Reserved[16];

} FLASH2X_VENDORSPECIFIC_INFO, *PFLASH2X_VENDORSPECIFIC_INFO;

typedef struct _DSD_HEADER
{
	B_UINT32 DSDImageSize;
	B_UINT32 DSDImageCRC;
	B_UINT32 DSDImagePriority;
	//We should not consider right now. Reading reserve is worthless.
	B_UINT32 Reserved[252]; // Resvd for DSD Header
	B_UINT32 DSDImageMagicNumber;

}DSD_HEADER, *PDSD_HEADER;

typedef struct _ISO_HEADER
{
	B_UINT32 ISOImageMagicNumber;
	B_UINT32 ISOImageSize;
	B_UINT32 ISOImageCRC;
	B_UINT32 ISOImagePriority;
	//We should not consider right now. Reading reserve is worthless.
	B_UINT32 Reserved[60]; //Resvd for ISO Header extension

}ISO_HEADER, *PISO_HEADER;

#define EEPROM_BEGIN_CIS (0)
#define EEPROM_BEGIN_NON_CIS (0x200)
#define EEPROM_END (0x2000)

#define INIT_PARAMS_SIGNATURE (0x95a7a597)

#define MAX_INIT_PARAMS_LENGTH (2048)


#define MAC_ADDRESS_OFFSET 0x200


#define INIT_PARAMS_1_SIGNATURE_ADDRESS  EEPROM_BEGIN_NON_CIS
#define INIT_PARAMS_1_DATA_ADDRESS (INIT_PARAMS_1_SIGNATURE_ADDRESS+16)
#define INIT_PARAMS_1_MACADDRESS_ADDRESS (MAC_ADDRESS_OFFSET)
#define INIT_PARAMS_1_LENGTH_ADDRESS   (INIT_PARAMS_1_SIGNATURE_ADDRESS+4)

#define INIT_PARAMS_2_SIGNATURE_ADDRESS  (EEPROM_BEGIN_NON_CIS+2048+16)
#define INIT_PARAMS_2_DATA_ADDRESS (INIT_PARAMS_2_SIGNATURE_ADDRESS+16)
#define INIT_PARAMS_2_MACADDRESS_ADDRESS (INIT_PARAMS_2_SIGNATURE_ADDRESS+8)
#define INIT_PARAMS_2_LENGTH_ADDRESS   (INIT_PARAMS_2_SIGNATURE_ADDRESS+4)

#define EEPROM_SPI_DEV_CONFIG_REG				 0x0F003000
#define EEPROM_SPI_Q_STATUS1_REG                 0x0F003004
#define EEPROM_SPI_Q_STATUS1_MASK_REG            0x0F00300C

#define EEPROM_SPI_Q_STATUS_REG                  0x0F003008
#define EEPROM_CMDQ_SPI_REG                      0x0F003018
#define EEPROM_WRITE_DATAQ_REG					 0x0F00301C
#define EEPROM_READ_DATAQ_REG					 0x0F003020
#define SPI_FLUSH_REG 							 0x0F00304C

#define EEPROM_WRITE_ENABLE						 0x06000000
#define EEPROM_READ_STATUS_REGISTER				 0x05000000
#define EEPROM_16_BYTE_PAGE_WRITE				 0xFA000000
#define EEPROM_WRITE_QUEUE_EMPTY				 0x00001000
#define EEPROM_WRITE_QUEUE_AVAIL				 0x00002000
#define EEPROM_WRITE_QUEUE_FULL					 0x00004000
#define EEPROM_16_BYTE_PAGE_READ				 0xFB000000
#define EEPROM_4_BYTE_PAGE_READ					 0x3B000000

#define EEPROM_CMD_QUEUE_FLUSH					 0x00000001
#define EEPROM_WRITE_QUEUE_FLUSH				 0x00000002
#define EEPROM_READ_QUEUE_FLUSH					 0x00000004
#define EEPROM_ETH_QUEUE_FLUSH					 0x00000008
#define EEPROM_ALL_QUEUE_FLUSH					 0x0000000f
#define EEPROM_READ_ENABLE						 0x06000000
#define EEPROM_16_BYTE_PAGE_WRITE				 0xFA000000
#define EEPROM_READ_DATA_FULL				 	 0x00000010
#define EEPROM_READ_DATA_AVAIL				 	 0x00000020
#define EEPROM_READ_QUEUE_EMPTY				 	 0x00000002
#define EEPROM_CMD_QUEUE_EMPTY				 	 0x00000100
#define EEPROM_CMD_QUEUE_AVAIL				 	 0x00000200
#define EEPROM_CMD_QUEUE_FULL					 0x00000400

/* Most EEPROM status register bit 0 indicates if the EEPROM is busy
 * with a write if set 1. See the details of the EEPROM Status Register
 * in the EEPROM data sheet. */
#define EEPROM_STATUS_REG_WRITE_BUSY			 0x00000001

// We will have 1 mSec for every RETRIES_PER_DELAY count and have a max attempts of MAX_EEPROM_RETRIES
// This will give us 80 mSec minimum of delay = 80mSecs
#define MAX_EEPROM_RETRIES						 80
#define RETRIES_PER_DELAY                        64


#define MAX_RW_SIZE                              0x10
#define MAX_READ_SIZE							 0x10
#define MAX_SECTOR_SIZE                         (512*1024)
#define MIN_SECTOR_SIZE                         (1024)
#define FLASH_SECTOR_SIZE_OFFSET                 0xEFFFC
#define FLASH_SECTOR_SIZE_SIG_OFFSET             0xEFFF8
#define FLASH_SECTOR_SIZE_SIG                    0xCAFEBABE
#define FLASH_CS_INFO_START_ADDR                 0xFF0000
#define FLASH_CONTROL_STRUCT_SIGNATURE           0xBECEF1A5
#define SCSI_FIRMWARE_MAJOR_VERSION				 0x1
#define SCSI_FIRMWARE_MINOR_VERSION              0x5
#define BYTE_WRITE_SUPPORT                       0x1

#define FLASH_AUTO_INIT_BASE_ADDR                0xF00000




#define FLASH_CONTIGIOUS_START_ADDR_AFTER_INIT   0x1C000000
#define FLASH_CONTIGIOUS_START_ADDR_BEFORE_INIT  0x1F000000

#define FLASH_CONTIGIOUS_START_ADDR_BCS350       0x08000000
#define FLASH_CONTIGIOUS_END_ADDR_BCS350         0x08FFFFFF



#define FLASH_SIZE_ADDR                          0xFFFFEC

#define FLASH_SPI_CMDQ_REG						 0xAF003040
#define FLASH_SPI_WRITEQ_REG					 0xAF003044
#define FLASH_SPI_READQ_REG						 0xAF003048
#define FLASH_CONFIG_REG                         0xAF003050
#define FLASH_GPIO_CONFIG_REG					 0xAF000030

#define FLASH_CMD_WRITE_ENABLE					 0x06
#define FLASH_CMD_READ_ENABLE					 0x03
#define FLASH_CMD_RESET_WRITE_ENABLE			 0x04
#define FLASH_CMD_STATUS_REG_READ				 0x05
#define FLASH_CMD_STATUS_REG_WRITE				 0x01
#define FLASH_CMD_READ_ID                        0x9F

#define PAD_SELECT_REGISTER                      0xAF000410

#define FLASH_PART_SST25VF080B                   0xBF258E

#define EEPROM_CAL_DATA_INTERNAL_LOC             0xbFB00008

#define EEPROM_CALPARAM_START                    0x200
#define EEPROM_SIZE_OFFSET                       524

//As Read/Write time vaires from 1.5 to 3.0 ms.
//so After Ignoring the rdm/wrm time(that is dependent on many factor like interface etc.),
//here time calculated meets the worst case delay, 3.0 ms
#define MAX_FLASH_RETRIES						 4
#define FLASH_PER_RETRIES_DELAY			         16


#define EEPROM_MAX_CAL_AREA_SIZE                 0xF0000



#define BECM                                     ntohl(0x4245434d)

#define FLASH_2X_MAJOR_NUMBER 0x2
#define DSD_IMAGE_MAGIC_NUMBER 0xBECE0D5D
#define ISO_IMAGE_MAGIC_NUMBER 0xBECE0150
#define NON_CDLESS_DEVICE_BOOT_SIG 0xBECEB007
#define MINOR_VERSION(x) ((x >>16) & 0xFFFF)
#define MAJOR_VERSION(x) (x & 0xFFFF)
#define CORRUPTED_PATTERN 0x0
#define UNINIT_PTR_IN_CS 0xBBBBDDDD

#define VENDOR_PTR_IN_CS 0xAAAACCCC


#define FLASH2X_SECTION_PRESENT 1<<0
#define FLASH2X_SECTION_VALID 1<<1
#define FLASH2X_SECTION_RO 1<<2
#define FLASH2X_SECTION_ACT 1<<3
#define SECTOR_IS_NOT_WRITABLE STATUS_FAILURE
#define INVALID_OFFSET STATUS_FAILURE
#define INVALID_SECTION STATUS_FAILURE
#define SECTOR_1K 1024
#define SECTOR_64K (64 *SECTOR_1K)
#define SECTOR_128K (2 * SECTOR_64K)
#define SECTOR_256k (2 * SECTOR_128K)
#define SECTOR_512K (2 * SECTOR_256k)
#define FLASH_PART_SIZE (16 * 1024 * 1024)
#define RESET_CHIP_SELECT -1
#define CHIP_SELECT_BIT12   12

#define SECTOR_READWRITE_PERMISSION 0
#define SECTOR_READONLY 1
#define SIGNATURE_SIZE  4
#define DEFAULT_BUFF_SIZE 0x10000


#define FIELD_OFFSET_IN_HEADER(HeaderPointer,Field) ((PUCHAR)&((HeaderPointer)(NULL))->Field - (PUCHAR)(NULL))

#endif