xref: /openbmc/u-boot/arch/sh/include/asm/global_data.h (revision 26ddff2d)
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_ */
59