LXR uboot/arch/blackfin/include/asm/global

   1/*
   2 * U-boot - global_data.h Declarations for global data of u-boot
   3 *
   4 * Copyright (c) 2005-2007 Analog Devices Inc.
   5 *
   6 * (C) Copyright 2000-2010
   7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8 *
   9 * See file CREDITS for list of people who contributed to this
  10 * project.
  11 *
  12 * This program is free software; you can redistribute it and/or
  13 * modify it under the terms of the GNU General Public License as
  14 * published by the Free Software Foundation; either version 2 of
  15 * the License, or (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 *
  22 * You should have received a copy of the GNU General Public License
  23 * along with this program; if not, write to the Free Software
  24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  25 * MA 02110-1301 USA
  26 */
  27
  28#ifndef __ASM_GBL_DATA_H
  29#define __ASM_GBL_DATA_H
  30
  31#include <asm/u-boot.h>
  32
  33/*
  34 * The following data structure is placed in some memory wich is
  35 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
  36 * some locked parts of the data cache) to allow for a minimum set of
  37 * global variables during system initialization (until we have set
  38 * up the memory controller so that we can use RAM).
  39 */
  40typedef struct global_data {
  41        bd_t *bd;
  42        unsigned long flags;
  43        unsigned long board_type;
  44        unsigned long baudrate;
  45        unsigned long have_console;     /* serial_init() was called */
  46#ifdef CONFIG_PRE_CONSOLE_BUFFER
  47        unsigned long   precon_buf_idx; /* Pre-Console buffer index */
  48#endif
  49        phys_size_t ram_size;           /* RAM size */
  50        unsigned long env_addr; /* Address  of Environment struct */
  51        unsigned long env_valid;        /* Checksum of Environment valid? */
  52#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
  53        unsigned long post_log_word;    /* Record POST activities */
  54        unsigned long post_log_res;     /* success of POST test */
  55        unsigned long post_init_f_time; /* When post_init_f started */
  56#endif
  57
  58        void    **jt;                   /* jump table */
  59        char    env_buf[32];            /* buffer for getenv() before reloc. */
  60} gd_t;
  61
  62#include <asm-generic/global_data_flags.h>
  63
  64#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("P3")
  65
  66#endif
  67