[people/ms/u-boot.git] / include / asm-avr32 / global_data.h

/*
 * Copyright (C) 2004-2006 Atmel Corporation
 *
 * 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_GLOBAL_DATA_H__
#define __ASM_GLOBAL_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	stack_end;	/* highest stack address */
	unsigned long	have_console;	/* serial_init() was called */
	unsigned long	reloc_off;	/* Relocation Offset */
	unsigned long	env_addr;	/* Address of env struct */
	unsigned long	env_valid;	/* Checksum of env valid? */
	unsigned long	cpu_hz;		/* cpu core clock frequency */
	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 Buf has been initialized	 */
#define GD_FLG_DISABLE_CONSOLE	0x00040		/* Disable console (in & out)	 */

#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5")

#endif /* __ASM_GLOBAL_DATA_H__ */
Commit	Line	Data
7b64fef3 WD	1	/*
	2	* Copyright (C) 2004-2006 Atmel Corporation
	3	*
	4	* See file CREDITS for list of people who contributed to this
	5	* project.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License as
	9	* published by the Free Software Foundation; either version 2 of
	10	* the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	20	* MA 02111-1307 USA
	21	*/
	22	#ifndef __ASM_GLOBAL_DATA_H__
	23	#define __ASM_GLOBAL_DATA_H__
	24
	25	/*
	26	* The following data structure is placed in some memory wich is
	27	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	28	* some locked parts of the data cache) to allow for a minimum set of
	29	* global variables during system initialization (until we have set
	30	* up the memory controller so that we can use RAM).
	31	*
6d0f6bcf	32	* Keep it SMALL and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
7b64fef3 WD	33	*/
	34
	35	typedef struct global_data {
	36	bd_t *bd;
	37	unsigned long flags;
7b64fef3	38	unsigned long baudrate;
1f4f2121	39	unsigned long stack_end; /* highest stack address */
7b64fef3 WD	40	unsigned long have_console; /* serial_init() was called */
	41	unsigned long reloc_off; /* Relocation Offset */
	42	unsigned long env_addr; /* Address of env struct */
	43	unsigned long env_valid; /* Checksum of env valid? */
	44	unsigned long cpu_hz; /* cpu core clock frequency */
	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 Buf has been initialized */
f5c3ba79	57	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
7b64fef3 WD	58
	59	#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5")
	60
	61	#endif /* __ASM_GLOBAL_DATA_H__ */