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

/*
 * (C) Copyright 2002
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2007
 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.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

#include "asm/types.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 cpu_clk;	/* CPU clock in Hz!             */
	unsigned long bus_clk;

	phys_size_t ram_size;		/* RAM size */
	unsigned long reloc_off;	/* Relocation Offset */
	unsigned long reset_status;	/* reset status register at boot        */
	unsigned long env_addr;	/* Address  of Environment struct       */
	unsigned long env_valid;	/* Checksum of Environment valid?       */
	unsigned long have_console;	/* serial_init() was called */

#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
	unsigned long fb_base;	/* Base address of framebuffer memory   */
#endif
#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
#ifdef CONFIG_BOARD_TYPES
	unsigned long board_type;
#endif
#ifdef CONFIG_MODEM_SUPPORT
	unsigned long do_mdm_init;
	unsigned long be_quiet;
#endif
#ifdef CONFIG_LWMON
	unsigned long kbd_status;
#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 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 ("%g7")

#endif				/* __ASM_GBL_DATA_H */
Commit	Line	Data
c2f02da2 DH	1	/*
	2	* (C) Copyright 2002
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* (C) Copyright 2007
	6	* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
	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_GBL_DATA_H
	28	#define __ASM_GBL_DATA_H
	29
	30	#include "asm/types.h"
	31
	32	/*
	33	* The following data structure is placed in some memory wich is
	34	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	35	* some locked parts of the data cache) to allow for a minimum set of
	36	* global variables during system initialization (until we have set
	37	* up the memory controller so that we can use RAM).
	38	*
6d0f6bcf	39	* Keep it SMALL and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
c2f02da2 DH	40	*/
	41
	42	typedef struct global_data {
	43	bd_t *bd;
	44	unsigned long flags;
	45	unsigned long baudrate;
	46	unsigned long cpu_clk; /* CPU clock in Hz! */
	47	unsigned long bus_clk;
	48
b57ca3e1	49	phys_size_t ram_size; /* RAM size */
c2f02da2 DH	50	unsigned long reloc_off; /* Relocation Offset */
	51	unsigned long reset_status; /* reset status register at boot */
	52	unsigned long env_addr; /* Address of Environment struct */
	53	unsigned long env_valid; /* Checksum of Environment valid? */
	54	unsigned long have_console; /* serial_init() was called */
	55
	56	#if defined(CONFIG_LCD) \|\| defined(CONFIG_VIDEO)
	57	unsigned long fb_base; /* Base address of framebuffer memory */
	58	#endif
	59	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
	60	unsigned long post_log_word; /* Record POST activities */
	61	unsigned long post_init_f_time; /* When post_init_f started */
	62	#endif
	63	#ifdef CONFIG_BOARD_TYPES
	64	unsigned long board_type;
	65	#endif
	66	#ifdef CONFIG_MODEM_SUPPORT
	67	unsigned long do_mdm_init;
	68	unsigned long be_quiet;
	69	#endif
	70	#ifdef CONFIG_LWMON
	71	unsigned long kbd_status;
	72	#endif
	73	void *jt; / jump table */
	74	} gd_t;
	75
	76	/*
	77	* Global Data Flags
	78	*/
	79	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	80	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
	81	#define GD_FLG_SILENT 0x00004 /* Silent mode */
28a38506 YT	82	#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
28a38506 YT	83	#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
0e15ddd1	84	#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
f5c3ba79	85	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
c2f02da2 DH	86
	87	#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("%g7")
	88
	89	#endif /* __ASM_GBL_DATA_H */