loader.h

freescale i.mx31 BSP CE5.0全部源码

//------------------------------------------------------------------------------
//
//  Copyright (C) 2004,    Motorola Inc. All Rights Reserved
//
//-----------------------------------------------------------------------------
//
//  Copyright (C) 2004, Freescale Semiconductor, Inc. All Rights Reserved
//  THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
//  BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
//  FREESCALE SEMICONDUCTOR, INC.
//
//-----------------------------------------------------------------------------
//
//  Header:     loader.h
//
//  Provides Definitions for EBOOT.
//
//------------------------------------------------------------------------------


#ifndef __SRC_BOOTLOADER_EBOOT_LOADER_H
#define __SRC_BOOTLOADER_EBOOT_LOADER_H

//------------------------------------------------------------------------------
// INCLUDE FILES
//------------------------------------------------------------------------------
#include <halether.h>
#include "bsp.h"

#define NAND_BOOT_SUPPORT    1

//------------------------------------------------------------------------------
// MACRO DEFINITIONS
//------------------------------------------------------------------------------
// Revision information displayed on debug serial output
#define EBOOT_VERSION_MAJOR  0
#define EBOOT_VERSION_MINOR  1

// Magic number
// If stored magic number is different from this, configuration will be
// restored to default.
#define EbootCFGMagicNumber    (EBOOT_VERSION_MAJOR << 8 | EBOOT_VERSION_MINOR)

// Platform String
#define PLATFORM_STRING     "MX31"
#define EDBG_CPUID          EDBG_CPU_ARM720

#define DELETE_CHAR { OEMWriteDebugByte(0x08); OEMWriteDebugByte(0xFF); OEMWriteDebugByte(0x08);}

// Flash and Ram addres defines
#define FLASH_CVBASE         (DWORD)IMAGE_EBOOT_CODE_CA_START
#define RAM_PBASE             (DWORD)IMAGE_BOOT_RAM_PA_START
#define RAM_CVBASE             (DWORD)OALPAtoVA(RAM_PBASE, TRUE)

// Execution offset from sdram base address
#define EBOOT_IMAGE_SIZE              IMAGE_EBOOT_CODE_SIZE
#define EBOOT_RAM_IMAGE_OFFSET        0x00040000
#define EBOOT_RAM_IMAGE_START        (RAM_CVBASE + EBOOT_RAM_IMAGE_OFFSET)
#define EBOOT_FLASH_IMAGE_START        (FLASH_CVBASE)

// OS image defines
#define OS_FLASH_IMAGE_START        (EBOOT_FLASH_IMAGE_START + EBOOT_IMAGE_SIZE)
#define OS_RAM_IMAGE_START            IMAGE_WINCE_CODE_RAM_CA_START

// Temporary storage for image to be flashed
#define EBOOT_FCACHE_OFFSET            0x00100000
#define EBOOT_FCACHE_START          (RAM_CVBASE + EBOOT_FCACHE_OFFSET)

// NAND Loader defines
#define EBOOT_NANDLOADER_VER_MIN    0x0000
#define EBOOT_NANDLOADER_VER_MAJ    0x0001
#define EBOOT_NANDLOADER_SIG        0x4E414E44    // NAND

#ifdef __cplusplus
extern "C" {
#endif
//------------------------------------------------------------------------------
// ENUMERATIONS AND STRUCTURES
//------------------------------------------------------------------------------
// The BOOT_CFG structure holds a variety of configuration parameters.
// When adding new parameters, make sure that the size of the structure in bytes is
// an integral number of WORDS.  Pad the structure if necessary.
// Add new members at the end. Also remember to increment the EBOOT version
// numbers.
typedef struct
{
    UINT32 IP;
    UINT32 subnetMask;
    UINT32 dwLaunchAddr;
    UINT16 ConfigMagicNumber;
    UINT16 configFlags;
} EBOOT_CFG;

typedef struct
{
    DWORD ConfigMagicNumber;
    DWORD dwLaunchAddr;
    DWORD dwRegionStart;
    DWORD dwRegionLength;
    DWORD dwImageOffset;
    DWORD dwChainStart;
    DWORD dwChainLength;
    DWORD dwChainOffset;
} EBOOT_NANDCFG;

//------------------------------------------------------------------------------
// FUNCTION PROTOTYPES
//------------------------------------------------------------------------------
Launch(DWORD dwLaunchAddr);

// Ethernet support functions
void InitEthDevice(void);
BOOL OEMEthHardwareInit(BSP_ARGS *pBSPArgs, EDBG_ADDR *pMyAddr);

// Nand boot support functions
BOOL InitPartitionMgr(void);
void DeinitPartitionMgr(void);
BOOL WriteRegionsToNand(BOOT_CFG *pBootCfg);
BOOL ReadKernelRegionFromNand(BOOT_CFG *pBootCfg);
BOOL NandFlashMenu(BOOT_CFG *pBootCfg, BOOL *CFGChanged);
BOOL IsNandDevicePresent(void);

void SpinForever(void);
//------------------------------------------------------------------------------
// EXTERN    DECLARATIONS
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// CLASS DEFINITIONS
//------------------------------------------------------------------------------
#ifdef __cplusplus
    }
#endif

#endif /* __SRC_BOOTLOADER_EBOOT_LOADER_H */

//------------------------------------------------------------------------------
// END OF    FILE
//------------------------------------------------------------------------------