LXR uboot/arch/sparc/include/asm/global

   1/*
   2 * (C) Copyright 2002-2010
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * (C) Copyright 2007
   6 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
   7 *
   8 * See file CREDITS for list of people who contributed to this
   9 * project.
  10 *
  11 * This program is free software; you can redistribute it and/or
  12 * modify it under the terms of the GNU General Public License as
  13 * published by the Free Software Foundation; either version 2 of
  14 * the License, or (at your option) any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24 * MA 02111-1307 USA
  25 */
  26
  27#ifndef __ASM_GBL_DATA_H
  28#define __ASM_GBL_DATA_H
  29
  30#include "asm/types.h"
  31
  32/*
  33 * The following data structure is placed in some memory wich is
  34 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
  35 * some locked parts of the data cache) to allow for a minimum set of
  36 * global variables during system initialization (until we have set
  37 * up the memory controller so that we can use RAM).
  38 */
  39
  40typedef struct global_data {
  41        bd_t *bd;
  42        unsigned long flags;
  43        unsigned long baudrate;
  44        unsigned long cpu_clk;  /* CPU clock in Hz!             */
  45        unsigned long bus_clk;
  46
  47        phys_size_t ram_size;           /* RAM size */
  48        unsigned long reloc_off;        /* Relocation Offset */
  49        unsigned long reset_status;     /* reset status register at boot        */
  50        unsigned long env_addr; /* Address  of Environment struct       */
  51        unsigned long env_valid;        /* Checksum of Environment valid?       */
  52        unsigned long have_console;     /* serial_init() was called */
  53
  54#ifdef CONFIG_PRE_CONSOLE_BUFFER
  55        unsigned long   precon_buf_idx; /* Pre-Console buffer index */
  56#endif
  57#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
  58        unsigned long fb_base;  /* Base address of framebuffer memory   */
  59#endif
  60#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
  61        unsigned long post_log_word;    /* Record POST activities */
  62        unsigned long post_log_res;     /* success of POST test */
  63        unsigned long post_init_f_time; /* When post_init_f started */
  64#endif
  65#ifdef CONFIG_BOARD_TYPES
  66        unsigned long board_type;
  67#endif
  68#ifdef CONFIG_MODEM_SUPPORT
  69        unsigned long do_mdm_init;
  70        unsigned long be_quiet;
  71#endif
  72#ifdef CONFIG_LWMON
  73        unsigned long kbd_status;
  74#endif
  75        void    **jt;                   /* jump table */
  76        char    env_buf[32];            /* buffer for getenv() before reloc. */
  77} gd_t;
  78
  79#include <asm-generic/global_data_flags.h>
  80
  81#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("%g7")
  82
  83#endif                          /* __ASM_GBL_DATA_H */
  84