include/asm-nios2/global_data.h

   1 /*
   2  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
   3  * Scott McNutt <smcnutt@psyent.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23 #ifndef __ASM_NIOS2_GLOBALDATA_H_
  24 #define __ASM_NIOS2_GLOBALDATA_H_
  25
  26 typedef struct  global_data {
  27         bd_t            *bd;
  28         unsigned long   flags;
  29         unsigned long   baudrate;
  30         unsigned long   cpu_clk;        /* CPU clock in Hz!             */
  31         unsigned long   have_console;   /* serial_init() was called */
  32         phys_size_t     ram_size;       /* RAM size */
  33         unsigned long   env_addr;       /* Address  of Environment struct */
  34         unsigned long   env_valid;      /* Checksum of Environment valid */
  35 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
  36         unsigned long   post_log_word;  /* Record POST activities */
  37         unsigned long   post_init_f_time; /* When post_init_f started */
  38 #endif
  39         void            **jt;           /* Standalone app jump table */
  40 } gd_t;
  41
  42 /* flags */
  43 #define GD_FLG_RELOC    0x00001         /* Code was relocated to RAM            */
  44 #define GD_FLG_DEVINIT  0x00002         /* Devices have been initialized        */
  45 #define GD_FLG_SILENT   0x00004         /* Silent mode                          */
  46 #define GD_FLG_POSTFAIL 0x00008         /* Critical POST test failed            */
  47 #define GD_FLG_POSTSTOP 0x00010         /* POST seqeunce aborted                */
  48 #define GD_FLG_LOGINIT  0x00020         /* Log Buffer has been initialized      */
  49 #define GD_FLG_DISABLE_CONSOLE  0x00040         /* Disable console (in & out)    */
  50
  51 #define DECLARE_GLOBAL_DATA_PTR     register gd_t *gd asm ("r15")
  52
  53 #endif /* __ASM_NIOS2_GLOBALDATA_H_ */