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_ */
54