[people/ms/u-boot.git] / arch / arm / 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

/* Architecture-specific global data */
struct arch_global_data {
#if defined(CONFIG_FSL_ESDHC)
	u32 sdhc_clk;
#endif
#ifdef CONFIG_AT91FAMILY
	/* "static data" needed by at91's clock.c */
	unsigned long	cpu_clk_rate_hz;
	unsigned long	main_clk_rate_hz;
	unsigned long	mck_rate_hz;
	unsigned long	plla_rate_hz;
	unsigned long	pllb_rate_hz;
	unsigned long	at91_pllb_usb_init;
#endif
	/* "static data" needed by most of timer.c on ARM platforms */
	unsigned long timer_rate_hz;
	unsigned long tbu;
	unsigned long tbl;
	unsigned long lastinc;
	unsigned long long timer_reset_value;
#ifdef CONFIG_IXP425
	unsigned long timestamp;
#endif
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
	unsigned long tlb_addr;
	unsigned long tlb_size;
#endif
};

/*
 * The following data structure is placed in some memory which 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).
 */

typedef	struct	global_data {
	bd_t		*bd;
	unsigned long	flags;
	unsigned int	baudrate;
	unsigned long	have_console;	/* serial_init() was called */
#ifdef CONFIG_PRE_CONSOLE_BUFFER
	unsigned long	precon_buf_idx;	/* Pre-Console buffer index */
#endif
	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 */
	unsigned long	relocaddr;	/* Start address of U-Boot in RAM */
	phys_size_t	ram_size;	/* RAM size */
	unsigned long	mon_len;	/* monitor len */
	unsigned long	irq_sp;		/* irq stack pointer */
	unsigned long	start_addr_sp;	/* start_addr_stackpointer */
	unsigned long	reloc_off;
	const void	*fdt_blob;	/* Our device tree, NULL if none */
	void		**jt;		/* jump table */
	char		env_buf[32];	/* buffer for getenv() before reloc. */
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
	unsigned long	post_log_word; /* Record POST activities */
	unsigned long	post_log_res; /* success of POST test */
	unsigned long	post_init_f_time; /* When post_init_f started */
#endif
	struct arch_global_data arch;	/* architecture-specific data */
} gd_t;

#include <asm-generic/global_data_flags.h>

#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r8")

#endif /* __ASM_GBL_DATA_H */
Commit	Line	Data
0157cedb	1	/*
91a76751	2	* (C) Copyright 2002-2010
0157cedb 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
5cb48582 SG	26
	27	/* Architecture-specific global data */
	28	struct arch_global_data {
e9adeca3 SG	29	#if defined(CONFIG_FSL_ESDHC)
	30	u32 sdhc_clk;
	31	#endif
f47e6ecd SG	32	#ifdef CONFIG_AT91FAMILY
	33	/* "static data" needed by at91's clock.c */
	34	unsigned long cpu_clk_rate_hz;
	35	unsigned long main_clk_rate_hz;
	36	unsigned long mck_rate_hz;
	37	unsigned long plla_rate_hz;
	38	unsigned long pllb_rate_hz;
	39	unsigned long at91_pllb_usb_init;
	40	#endif
b339051c SG	41	/* "static data" needed by most of timer.c on ARM platforms */
b339051c SG	42	unsigned long timer_rate_hz;
8ff43b03	43	unsigned long tbu;
66ee6923	44	unsigned long tbl;
582601da	45	unsigned long lastinc;
5f70714c	46	unsigned long long timer_reset_value;
b4d51db8 SG	47	#ifdef CONFIG_IXP425
	48	unsigned long timestamp;
	49	#endif
34fd5d25 SG	50	#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
	51	unsigned long tlb_addr;
	52	unsigned long tlb_size;
	53	#endif
5cb48582 SG	54	};
5cb48582 SG	55
0157cedb	56	/*
f9a78b8d	57	* The following data structure is placed in some memory which is
0157cedb WD	58	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	59	* some locked parts of the data cache) to allow for a minimum set of
	60	* global variables during system initialization (until we have set
	61	* up the memory controller so that we can use RAM).
0157cedb WD	62	*/
	63
	64	typedef struct global_data {
	65	bd_t *bd;
	66	unsigned long flags;
e46e31a8	67	unsigned int baudrate;
0157cedb	68	unsigned long have_console; /* serial_init() was called */
9558b48a GR	69	#ifdef CONFIG_PRE_CONSOLE_BUFFER
	70	unsigned long precon_buf_idx; /* Pre-Console buffer index */
	71	#endif
0157cedb WD	72	unsigned long env_addr; /* Address of Environment struct */
0157cedb WD	73	unsigned long env_valid; /* Checksum of Environment valid? */
0157cedb	74	unsigned long fb_base; /* base address of frame buffer */
f1d2b313 HS	75	unsigned long relocaddr; /* Start address of U-Boot in RAM */
	76	phys_size_t ram_size; /* RAM size */
	77	unsigned long mon_len; /* monitor len */
	78	unsigned long irq_sp; /* irq stack pointer */
	79	unsigned long start_addr_sp; /* start_addr_stackpointer */
	80	unsigned long reloc_off;
45ba8077	81	const void fdt_blob; / Our device tree, NULL if none */
27b207fd	82	void *jt; / jump table */
91a76751	83	char env_buf[32]; /* buffer for getenv() before reloc. */
ea3681a6 VL	84	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
ea3681a6 VL	85	unsigned long post_log_word; /* Record POST activities */
79843950	86	unsigned long post_log_res; /* success of POST test */
ea3681a6 VL	87	unsigned long post_init_f_time; /* When post_init_f started */
ea3681a6 VL	88	#endif
5cb48582	89	struct arch_global_data arch; /* architecture-specific data */
0157cedb WD	90	} gd_t;
0157cedb WD	91
47fde91f	92	#include <asm-generic/global_data_flags.h>
0157cedb	93
0be248fa	94	#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8")
0157cedb WD	95
0157cedb WD	96	#endif /* __ASM_GBL_DATA_H */