Logo Search packages:      
Sourcecode: x-loader version File versions  Download package

common.h

/*
 * (C) Copyright 2004
 * Texas Instruments
 *
 * (C) Copyright 2000-2004
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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 __COMMON_H_
#define __COMMON_H_     1

#undef      _LINUX_CONFIG_H
#define _LINUX_CONFIG_H 1     /* avoid reading Linux autoconf.h file    */

typedef unsigned char         uchar;
typedef volatile unsigned long      vu_long;
typedef volatile unsigned short vu_short;
typedef volatile unsigned char      vu_char;

#include <config.h>
#include <linux/types.h>
#include <stdarg.h>

#ifdef CONFIG_ARM
#define asmlinkage      /* nothing */
#endif


#ifdef CONFIG_ARM
# include <asm/setup.h>
# include <asm/x-load-arm.h>  /* ARM version to be fixed! */
#endif /* CONFIG_ARM */

#ifdef      CFG_PRINTF
#define printf(fmt,args...)   serial_printf (fmt ,##args)
#define getc() serial_getc()
#else
#define printf(fmt,args...)
#define getc() ' '
#endif      /* CFG_PRINTF */

/* board/$(BOARD)/$(BOARD).c */
int   board_init (void);
int   nand_init (void);
int     mmc_boot (unsigned char *buf);
void  board_hang (void);

/* cpu/$(CPU)/cpu.c */
int   cpu_init (void);
#ifdef  CFG_UDELAY
void  udelay (unsigned long usec);
#endif

/* nand driver */
#define NAND_CMD_READ0        0
#define NAND_CMD_READ1        1
#define NAND_CMD_READOOB      0x50
#define NAND_CMD_STATUS       0x70
#define NAND_CMD_READID       0x90
#define NAND_CMD_RESET        0xff

/* Extended Commands for Large page devices */
#define NAND_CMD_READSTART    0x30

int   nand_chip(void);
int   nand_read_block(uchar *buf, ulong block_addr);

int   onenand_chip(void);
int   onenand_read_block(unsigned char *buf, ulong block);


#ifdef CFG_PRINTF

/* serial driver */
int   serial_init   (void);
void  serial_setbrg (void);
void  serial_putc   (const char);
void  serial_puts   (const char *);
int   serial_getc   (void);
int   serial_tstc   (void);

/* lib/printf.c */
void  serial_printf (const char *fmt, ...);
#endif

/* lib/crc.c */
void  nand_calculate_ecc (const u_char *dat, u_char *ecc_code);
int   nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc);

/* lib/board.c */
void  hang        (void) __attribute__ ((noreturn));
#endif      /* __COMMON_H_ */

Generated by  Doxygen 1.6.0   Back to index