arch/sh/include/asm/global_data.h

   1 /*
   2  * (C) Copyright 2002-2010
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * (C) Copyright 2007
   6  * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   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_SH_GLOBALDATA_H_
  28 #define __ASM_SH_GLOBALDATA_H_
  29
  30 typedef struct global_data
  31 {
  32         bd_t            *bd;
  33         unsigned long   flags;
  34         unsigned long   baudrate;
  35         unsigned long   cpu_clk;        /* CPU clock in Hz! */
  36         unsigned long   have_console;   /* serial_init() was called */
  37 #ifdef CONFIG_PRE_CONSOLE_BUFFER
  38         unsigned long   precon_buf_idx; /* Pre-Console buffer index */
  39 #endif
  40         phys_size_t     ram_size;       /* RAM size */
  41         unsigned long   env_addr;       /* Address  of Environment struct */
  42         unsigned long   env_valid;      /* Checksum of Environment valid */
  43         void            **jt;           /* Standalone app jump table */
  44         char            env_buf[32];    /* buffer for getenv() before reloc. */
  45 } gd_t;
  46
  47 #define GD_FLG_RELOC            0x00001 /* Code was relocated to RAM            */
  48 #define GD_FLG_DEVINIT          0x00002 /* Devices have been initialized        */
  49 #define GD_FLG_SILENT           0x00004 /* Silent mode                          */
  50 #define GD_FLG_POSTFAIL         0x00008 /* Critical POST test failed            */
  51 #define GD_FLG_POSTSTOP         0x00010 /* POST seqeunce aborted                */
  52 #define GD_FLG_LOGINIT          0x00020 /* Log Buffer has been initialized      */
  53 #define GD_FLG_DISABLE_CONSOLE  0x00040 /* Disable console (in & out)           */
  54 #define GD_FLG_ENV_READY        0x00080 /* Environment imported into hash table */
  55
  56 #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r13")
  57
  58 #endif /* __ASM_SH_GLOBALDATA_H_ */