mxc_nb.h

i.mx31 3DS平台Nandboot引导程序源码

/*
 *  misc/source/bootloader/nandboot/mxc_mb.h
 *
 *  Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef MXC_NB_H
#define MXC_NB_H

/*!
 * @defgroup NANDboot Bootloader for NAND Flash
 */

/*!
 * @file mxc_nb.h
 * 
 * @brief This file contains the NANDboot chip configuration and 
 * source configurations. 
 *
 * @ingroup NANDboot
 */

/*!
 * @name NAND Boot data types
 */

/*! @{ */

#ifdef MXC91231
#include "../ipl/mxc_setup_mxc91231.h"
#endif

#ifdef MXC91331
#include "../ipl/mxc_setup_mxc91331.h"
#endif

#ifdef MXC91131
#include "../ipl/mxc_setup_mxc91131.h"
#endif

#ifdef MX31
#include "../ipl/mxc_setup_mx31.h"
#endif
 
#ifdef MX21
#include "../ipl/mxc_setup_mx21.h"
#endif
 
/*! 
 * 32 bit data type 
 */
typedef unsigned int    U32;  

/*! 
 * 16 bit data type
 */
typedef unsigned short  U16;  

/*! 
 * 8 bit data type
 */
typedef unsigned char   U8;   

/*! @} */

/*!
 * This defines the enabling or disabling menu show
 */
#undef BOOT_NOWAIT

/*!
 * This defines the enabling or disabling of the Watchdog Timer feature 
 * in NANDboot
 */
#define WDOG_EN         0

/* This defines Internal and External UART */ 

 #define INT_UART      1 
 #define EXT_UART      0 

/*!
 * This defines the either internal (INT_UART) or external (EXT_UART) UART to be
 * used for output
 */
#if (!(defined(MX31)||defined(MX21)))
#define UART_OUTPUT    EXT_UART
#else
 /* Use Internal Uart because redboot and linux kernel use same UART */
#define UART_OUTPUT    INT_UART
#endif  

/*!
 * This defines the UART port in NANDboot
 * If EXT_UART is defined UART_PORT 1 is PORT_A and 2 is PORT_B
 */
#define UART_PORT      1

/*!
 * This defines the Baud rate for UART
 */
#define UART_BAUD_RATE        115200

/*!
 * Set this parameter to non-zero to enable unit test code in NANDBoot. 
 */
#define UNIT_TEST      0 

/*!
 * This defines the enabling or disabling of the  command line option
 * in nandboot
 */
#define CHANGE_COMMAND_LINE_OPTION     1
 
/*!
 * This defines the enabling or disabling of the change of  command 
 * line option address  in nandboot
 */
#define CHANGE_COMMAND_LINE_ADDRESS     0

/*!
 * This defines the changing the kernel loading address 
 */

#define  CHANGE_KERNEL_LOADING_ADDRESS  1

/*! 
 * This defines NAND buswidth for 8 and 16 bit 
 */ 
#define NAND_BIT_8      8
#define NAND_BIT_16     16

/*!
 * This defines the NAND buswidth
 */
#define NAND_BUSWIDTH   NAND_BIT_8

/*!
 * These defines are used for Unit Test
 */
#ifdef UNIT_TEST

#define DEBUG_BASE      0x80001000
#define DEBUG_ADDR0     (U32*)(DEBUG_BASE+0x000) /* for debug */
#define DEBUG_ADDR1     (U32*)(DEBUG_BASE+0x100) /* for debug */
#define DEBUG_ADDR2     (U32*)(DEBUG_BASE+0x200) /* for debug */
#define DEBUG_ADDR3     (U32*)(DEBUG_BASE+0x300) /* for debug */
#define DEBUG_ADDR4     (U32*)(DEBUG_BASE+0x400) /* for debug */

#endif

/*!
 * Maximum size for command line option
 */
#define CMDLINE_LEN     150

#ifdef MX21
/*!
 * Command line option address for Linux kernel
 */
#define CMDLINE_ADDR    (U8 *)0xc03FF000
/*!
 * Source address where Linux kernel image is stored
 */
#define SOURCE_ADDR     (U32 *)0xc0008000
/*!
 * Destination address where Linux kernel will be copied for execution
 */
#define DESTN_ADDR      (U32 *)0xc0008000
#else
/*!
 * Command line option address for Linux kernel
 */
#define CMDLINE_ADDR    (U8 *)0x80000100
/*!
 * Source address where Linux kernel image is stored
 */
#define SOURCE_ADDR     (U32 *)0xA0008000
/*!
 * Destination address where Linux kernel will be copied for execution
 */
#define DESTN_ADDR      (U32 *)0x80008000

#endif

/*!
 * Base address for Watchdog Timer
 */
#define WDOG_BASE       WDOG1_BASE_ADDR

 /*!
  * Timeout value for Watchdog Timer
  */
#define WDOG_TIMEOUT        0x4000

/*!
 * AIPS1 register base address
 */
#define AIPS1_REG_BASE  AIPS1_BASE_ADDR
/*!
 * AIPS2 register base address
 */
#define AIPS2_REG_BASE  AIPS2_BASE_ADDR

/*!
 * Time out value for menu in sec
 */
#define MENU_TIMEOUT    5

/*!
 * This defines processor id for the respective processor. 
 * This id is passed to the Linux kernel before booting.
 */
#if defined  (MX31)
#define PROC_ID         0x1BF
#else
#if defined (MXC91331)
#define PROC_ID         0x229
#else
#if defined (MXC91231)
#define PROC_ID         0x22A
#else
#if defined (MXC91131)
#define PROC_ID         0x2C6
#else
#if defined (MX21)
#define PROC_ID         0x2C6
#else
#error PLATFORM should be defined to be one of {MX31|MXC91331|MXC91231|MXC91131|MX21}
#endif
#endif
#endif
#endif
#endif


#endif /* MXC_NB_H */