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

/*
 * U-boot - global_data.h Declarations for global data of u-boot
 *
 * Copyright (c) 2005-2007 Analog Devices Inc.
 *
 * (C) Copyright 2000-2004
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#ifndef	__ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H

#include <asm/u-boot.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 board_type;
	unsigned long baudrate;
	unsigned long have_console;	/* serial_init() was called */
	phys_size_t ram_size;		/* RAM size */
	unsigned long env_addr;	/* Address  of Environment struct */
	unsigned long env_valid;	/* Checksum of Environment valid? */
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
	unsigned long post_log_word;	/* Record POST activities */
	unsigned long post_init_f_time;	/* When post_init_f started */
#endif

	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 * volatile gd asm ("P3")

#endif
Commit	Line	Data
6cb142fa WD	1	/*
	2	* U-boot - global_data.h Declarations for global data of u-boot
	3	*
155fd766	4	* Copyright (c) 2005-2007 Analog Devices Inc.
6cb142fa WD	5	*
	6	* (C) Copyright 2000-2004
	7	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	8	*
	9	* See file CREDITS for list of people who contributed to this
	10	* project.
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License as
	14	* published by the Free Software Foundation; either version 2 of
	15	* the License, or (at your option) any later version.
	16	*
	17	* This program is distributed in the hope that it will be useful,
	18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	* GNU General Public License for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License
	23	* along with this program; if not, write to the Free Software
155fd766 AL	24	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
155fd766 AL	25	* MA 02110-1301 USA
6cb142fa WD	26	*/
	27
	28	#ifndef __ASM_GBL_DATA_H
	29	#define __ASM_GBL_DATA_H
	30
f5402d4c MF	31	#include <asm/u-boot.h>
f5402d4c MF	32
6cb142fa WD	33	/*
	34	* The following data structure is placed in some memory wich is
	35	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	36	* some locked parts of the data cache) to allow for a minimum set of
	37	* global variables during system initialization (until we have set
	38	* up the memory controller so that we can use RAM).
	39	*
6d0f6bcf	40	* Keep it SMALL and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
6cb142fa WD	41	*/
	42	typedef struct global_data {
	43	bd_t *bd;
	44	unsigned long flags;
	45	unsigned long board_type;
	46	unsigned long baudrate;
	47	unsigned long have_console; /* serial_init() was called */
b57ca3e1	48	phys_size_t ram_size; /* RAM size */
3f0606ad	49	unsigned long env_addr; /* Address of Environment struct */
6cb142fa	50	unsigned long env_valid; /* Checksum of Environment valid? */
3f0606ad AL	51	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
	52	unsigned long post_log_word; /* Record POST activities */
	53	unsigned long post_init_f_time; /* When post_init_f started */
	54	#endif
	55
	56	void *jt; / jump table */
6cb142fa WD	57	} gd_t;
	58
	59	/*
	60	* Global Data Flags
	61	*/
	62	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	63	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
	64	#define GD_FLG_SILENT 0x00004 /* Silent mode */
b428f6a8	65	#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
28a38506	66	#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
0e15ddd1	67	#define GD_FLG_LOGINIT 0x00020 /* Log Buf has been initialized */
f5c3ba79	68	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
6cb142fa	69
c4db335c	70	#define DECLARE_GLOBAL_DATA_PTR register gd_t * volatile gd asm ("P3")
6cb142fa WD	71
6cb142fa WD	72	#endif