[people/ms/u-boot.git] / arch / microblaze / include / asm / global_data.h

/*
 * (C) Copyright 2004 Atmark Techno, Inc.
 *
 * Yasushi SHOJI <yashi@atmark-techno.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef	__ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H
/*
 * The following data structure is placed in some memory wich is
 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
 * some locked parts of the data cache) to allow for a minimum set of
 * global variables during system initialization (until we have set
 * up the memory controller so that we can use RAM).
 *
 * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
 */

typedef	struct	global_data {
	bd_t		*bd;
	unsigned long	flags;
	unsigned long	baudrate;
	unsigned long	have_console;	/* serial_init() was called */
	unsigned long	env_addr;	/* Address  of Environment struct */
	unsigned long	env_valid;	/* Checksum of Environment valid? */
	unsigned long	fb_base;	/* base address of frame buffer */
	void		**jt;		/* jump table */
} gd_t;

/*
 * Global Data Flags
 */
#define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
#define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
#define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
#define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
#define	GD_FLG_POSTSTOP	0x00010		/* POST seqeunce aborted		*/
#define	GD_FLG_LOGINIT	0x00020		/* Log Buffer has been initialized	*/
#define GD_FLG_DISABLE_CONSOLE	0x00040		/* Disable console (in & out)	 */

#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r31")

#endif /* __ASM_GBL_DATA_H */
Commit	Line	Data
507bbe3e WD	1	/*
	2	* (C) Copyright 2004 Atmark Techno, Inc.
	3	*
	4	* Yasushi SHOJI <yashi@atmark-techno.com>
	5	*
	6	* See file CREDITS for list of people who contributed to this
	7	* project.
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation; either version 2 of
	12	* the License, or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	22	* MA 02111-1307 USA
	23	*/
	24
	25	#ifndef __ASM_GBL_DATA_H
	26	#define __ASM_GBL_DATA_H
	27	/*
	28	* The following data structure is placed in some memory wich is
	29	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	30	* some locked parts of the data cache) to allow for a minimum set of
	31	* global variables during system initialization (until we have set
	32	* up the memory controller so that we can use RAM).
	33	*
6d0f6bcf	34	* Keep it SMALL and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
507bbe3e WD	35	*/
	36
	37	typedef struct global_data {
	38	bd_t *bd;
	39	unsigned long flags;
	40	unsigned long baudrate;
	41	unsigned long have_console; /* serial_init() was called */
507bbe3e WD	42	unsigned long env_addr; /* Address of Environment struct */
	43	unsigned long env_valid; /* Checksum of Environment valid? */
	44	unsigned long fb_base; /* base address of frame buffer */
	45	void *jt; / jump table */
	46	} gd_t;
	47
	48	/*
	49	* Global Data Flags
	50	*/
	51	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	52	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
	53	#define GD_FLG_SILENT 0x00004 /* Silent mode */
b428f6a8	54	#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
28a38506	55	#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
0e15ddd1	56	#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
f5c3ba79	57	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
507bbe3e WD	58
	59	#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r31")
	60
	61	#endif /* __ASM_GBL_DATA_H */