[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
/*
 * 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 */
#ifdef CONFIG_FSL_ESDHC
	unsigned long	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
#ifdef CONFIG_ARM
	/* "static data" needed by most of timer.c on ARM platforms */
	unsigned long	timer_rate_hz;
	unsigned long	tbl;
	unsigned long	tbu;
	unsigned long long	timer_reset_value;
	unsigned long	lastinc;
#endif
#ifdef CONFIG_IXP425
	unsigned long	timestamp;
#endif
	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;
#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
	unsigned long	tlb_addr;
	unsigned long	tlb_size;
#endif
	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
} 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
	26	/*
f9a78b8d	27	* The following data structure is placed in some memory which is
0157cedb WD	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).
0157cedb WD	32	*/
	33
	34	typedef struct global_data {
	35	bd_t *bd;
	36	unsigned long flags;
e46e31a8	37	unsigned int baudrate;
0157cedb	38	unsigned long have_console; /* serial_init() was called */
9558b48a GR	39	#ifdef CONFIG_PRE_CONSOLE_BUFFER
	40	unsigned long precon_buf_idx; /* Pre-Console buffer index */
	41	#endif
0157cedb WD	42	unsigned long env_addr; /* Address of Environment struct */
0157cedb WD	43	unsigned long env_valid; /* Checksum of Environment valid? */
0157cedb	44	unsigned long fb_base; /* base address of frame buffer */
c67bee14 SB	45	#ifdef CONFIG_FSL_ESDHC
c67bee14 SB	46	unsigned long sdhc_clk;
f1d2b313	47	#endif
5dca710a RM	48	#ifdef CONFIG_AT91FAMILY
	49	/* "static data" needed by at91's clock.c */
	50	unsigned long cpu_clk_rate_hz;
	51	unsigned long main_clk_rate_hz;
	52	unsigned long mck_rate_hz;
	53	unsigned long plla_rate_hz;
	54	unsigned long pllb_rate_hz;
	55	unsigned long at91_pllb_usb_init;
f9de0997 PW	56	#endif
	57	#ifdef CONFIG_ARM
	58	/* "static data" needed by most of timer.c on ARM platforms */
5dca710a RM	59	unsigned long timer_rate_hz;
	60	unsigned long tbl;
	61	unsigned long tbu;
	62	unsigned long long timer_reset_value;
a429db7e	63	unsigned long lastinc;
ce04bb41 MS	64	#endif
	65	#ifdef CONFIG_IXP425
	66	unsigned long timestamp;
5dca710a	67	#endif
f1d2b313 HS	68	unsigned long relocaddr; /* Start address of U-Boot in RAM */
	69	phys_size_t ram_size; /* RAM size */
	70	unsigned long mon_len; /* monitor len */
	71	unsigned long irq_sp; /* irq stack pointer */
	72	unsigned long start_addr_sp; /* start_addr_stackpointer */
	73	unsigned long reloc_off;
e47f2db5	74	#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
f1d2b313	75	unsigned long tlb_addr;
724cdffc	76	unsigned long tlb_size;
0157cedb	77	#endif
45ba8077	78	const void fdt_blob; / Our device tree, NULL if none */
27b207fd	79	void *jt; / jump table */
91a76751	80	char env_buf[32]; /* buffer for getenv() before reloc. */
ea3681a6 VL	81	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
ea3681a6 VL	82	unsigned long post_log_word; /* Record POST activities */
79843950	83	unsigned long post_log_res; /* success of POST test */
ea3681a6 VL	84	unsigned long post_init_f_time; /* When post_init_f started */
ea3681a6 VL	85	#endif
0157cedb WD	86	} gd_t;
0157cedb WD	87
47fde91f	88	#include <asm-generic/global_data_flags.h>
0157cedb	89
0be248fa	90	#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8")
0157cedb WD	91
0157cedb WD	92	#endif /* __ASM_GBL_DATA_H */