[people/ms/u-boot.git] / arch / m68k / include / asm / global_data.h

/*
 * (C) Copyright 2002 - 2010
 * 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., 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	cpu_clk;	/* CPU clock in Hz!		*/
	unsigned long	bus_clk;
#ifdef CONFIG_PCI
	unsigned long	pci_clk;
#endif
#ifdef CONFIG_EXTRA_CLOCK
	unsigned long	inp_clk;
	unsigned long	vco_clk;
	unsigned long	flb_clk;
#endif
#ifdef CONFIG_FSL_I2C
	unsigned long	i2c1_clk;
	unsigned long	i2c2_clk;
#endif
	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 addr of framebuffer memory */
#endif
#ifdef CONFIG_BOARD_TYPES
	unsigned long	board_type;
#endif
	void		**jt;		/* Standalone app jump table */
	char		env_buf[32];	/* buffer for getenv() before reloc. */
} 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 GD_FLG_ENV_READY	0x00080	/* Environment imported into hash table	*/

#if 0
extern gd_t *global_data;
#define DECLARE_GLOBAL_DATA_PTR     gd_t *gd = global_data
#else
#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("d7")
#endif

#endif /* __ASM_GBL_DATA_H */
Commit	Line	Data
4e5ca3eb	1	/*
91a76751	2	* (C) Copyright 2002 - 2010
4e5ca3eb WD	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	#ifndef __ASM_GBL_DATA_H
	25	#define __ASM_GBL_DATA_H
	26	/*
	27	* The following data structure is placed in some memory wich is
	28	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	29	* some locked parts of the data cache) to allow for a minimum set of
	30	* global variables during system initialization (until we have set
	31	* up the memory controller so that we can use RAM).
	32	*
6d0f6bcf	33	* Keep it SMALL and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t)
4e5ca3eb WD	34	*/
	35
	36	typedef struct global_data {
	37	bd_t *bd;
	38	unsigned long flags;
	39	unsigned long baudrate;
	40	unsigned long cpu_clk; /* CPU clock in Hz! */
	41	unsigned long bus_clk;
8ae158cd TL	42	#ifdef CONFIG_PCI
	43	unsigned long pci_clk;
	44	#endif
	45	#ifdef CONFIG_EXTRA_CLOCK
	46	unsigned long inp_clk;
	47	unsigned long vco_clk;
	48	unsigned long flb_clk;
886d9017 TL	49	#endif
	50	#ifdef CONFIG_FSL_I2C
	51	unsigned long i2c1_clk;
	52	unsigned long i2c2_clk;
8ae158cd	53	#endif
b57ca3e1	54	phys_size_t ram_size; /* RAM size */
4e5ca3eb WD	55	unsigned long reloc_off; /* Relocation Offset */
	56	unsigned long reset_status; /* reset status register at boot */
	57	unsigned long env_addr; /* Address of Environment struct */
	58	unsigned long env_valid; /* Checksum of Environment valid? */
	59	unsigned long have_console; /* serial_init() was called */
1552af70 TL	60	#if defined(CONFIG_LCD) \|\| defined(CONFIG_VIDEO)
	61	unsigned long fb_base; /* Base addr of framebuffer memory */
	62	#endif
4e5ca3eb WD	63	#ifdef CONFIG_BOARD_TYPES
	64	unsigned long board_type;
	65	#endif
bf9e3b38	66	void *jt; / Standalone app jump table */
91a76751	67	char env_buf[32]; /* buffer for getenv() before reloc. */
4e5ca3eb WD	68	} gd_t;
	69
	70	/*
	71	* Global Data Flags
	72	*/
ea882baf WD	73	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	74	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
	75	#define GD_FLG_SILENT 0x00004 /* Silent mode */
	76	#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
	77	#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
	78	#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
91a76751	79	#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
ea882baf	80	#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
4e5ca3eb	81
bf9e3b38	82	#if 0
4e5ca3eb WD	83	extern gd_t *global_data;
4e5ca3eb WD	84	#define DECLARE_GLOBAL_DATA_PTR gd_t *gd = global_data
bf9e3b38 WD	85	#else
	86	#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("d7")
	87	#endif
4e5ca3eb WD	88
4e5ca3eb WD	89	#endif /* __ASM_GBL_DATA_H */