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

/*
 * (C) Copyright 2002
 * 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

#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 CFG_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;
#if defined(CONFIG_CPM2)
	/* There are many clocks on the MPC8260 - see page 9-5 */
	unsigned long	vco_out;
	unsigned long	cpm_clk;
	unsigned long	scc_clk;
	unsigned long	brg_clk;
#endif
#if defined(CONFIG_MPC83XX)
	/* There are other clocks in the MPC83XX */
	u32 csb_clk;
#if defined (CONFIG_MPC8349)
	u32 tsec1_clk;
	u32 tsec2_clk;
	u32 usbmph_clk;
	u32 usbdr_clk;
#endif /* CONFIG_MPC8349 */
	u32 core_clk;
	u32 i2c1_clk;
	u32 i2c2_clk;
	u32 enc_clk;
	u32 lbiu_clk;
	u32 lclk_clk;
	u32 ddr_clk;
	u32 pci_clk;
#if defined(CONFIG_QE)
	u32 qe_clk;
	u32 brg_clk;
#endif /* CONFIG_QE */
#if defined (CONFIG_MPC8360)
	u32  ddr_sec_clk;
#endif /* CONFIG_MPC8360 */
#endif
#if defined(CONFIG_MPC5xxx)
	unsigned long	ipb_clk;
	unsigned long	pci_clk;
#endif
#if defined(CONFIG_MPC8220)
	unsigned long   bExtUart;
	unsigned long   inp_clk;
	unsigned long   pci_clk;
	unsigned long   vco_clk;
	unsigned long   pev_clk;
	unsigned long   flb_clk;
#endif
	unsigned long	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(CFG_ALLOC_DPRAM) || defined(CONFIG_CPM2)
	unsigned int	dp_alloc_base;
	unsigned int	dp_alloc_top;
#endif
#if defined(CFG_GT_6426x)
	unsigned int	mirror_hack[16];
#endif
#if defined(CONFIG_A3000)	|| \
    defined(CONFIG_HIDDEN_DRAGON)  || \
    defined(CONFIG_MUSENKI)	||  \
    defined(CONFIG_SANDPOINT)
	void *		console_addr;
#endif
#ifdef CONFIG_AMIGAONEG3SE
	unsigned long	relocaddr;	/* Start address of U-Boot in RAM */
#endif
#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				*/

#if 1
#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r29")
#else /* We could use plain global data, but the resulting code is bigger */
#define XTRN_DECLARE_GLOBAL_DATA_PTR	extern
#define DECLARE_GLOBAL_DATA_PTR     XTRN_DECLARE_GLOBAL_DATA_PTR \
				    gd_t *gd
#endif

#endif /* __ASM_GBL_DATA_H */
Commit	Line	Data
0157cedb WD	1	/*
	2	* (C) Copyright 2002
	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
f046ccd1 EL	26
	27	#include "asm/types.h"
	28
0157cedb WD	29	/*
	30	* The following data structure is placed in some memory wich is
	31	* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
	32	* some locked parts of the data cache) to allow for a minimum set of
	33	* global variables during system initialization (until we have set
	34	* up the memory controller so that we can use RAM).
	35	*
	36	* Keep it SMALL and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t)
	37	*/
	38
	39	typedef struct global_data {
	40	bd_t *bd;
	41	unsigned long flags;
	42	unsigned long baudrate;
	43	unsigned long cpu_clk; /* CPU clock in Hz! */
	44	unsigned long bus_clk;
9c4c5ae3	45	#if defined(CONFIG_CPM2)
0157cedb WD	46	/* There are many clocks on the MPC8260 - see page 9-5 */
	47	unsigned long vco_out;
	48	unsigned long cpm_clk;
	49	unsigned long scc_clk;
	50	unsigned long brg_clk;
945af8d7	51	#endif
f046ccd1 EL	52	#if defined(CONFIG_MPC83XX)
	53	/* There are other clocks in the MPC83XX */
	54	u32 csb_clk;
5f820439	55	#if defined (CONFIG_MPC8349)
f046ccd1 EL	56	u32 tsec1_clk;
f046ccd1 EL	57	u32 tsec2_clk;
f046ccd1 EL	58	u32 usbmph_clk;
f046ccd1 EL	59	u32 usbdr_clk;
5f820439 DL	60	#endif /* CONFIG_MPC8349 */
	61	u32 core_clk;
	62	u32 i2c1_clk;
	63	u32 i2c2_clk;
f046ccd1 EL	64	u32 enc_clk;
	65	u32 lbiu_clk;
	66	u32 lclk_clk;
	67	u32 ddr_clk;
6902df56	68	u32 pci_clk;
5f820439 DL	69	#if defined(CONFIG_QE)
	70	u32 qe_clk;
	71	u32 brg_clk;
	72	#endif /* CONFIG_QE */
	73	#if defined (CONFIG_MPC8360)
	74	u32 ddr_sec_clk;
	75	#endif /* CONFIG_MPC8360 */
f046ccd1	76	#endif
cbd8a35c	77	#if defined(CONFIG_MPC5xxx)
945af8d7 WD	78	unsigned long ipb_clk;
945af8d7 WD	79	unsigned long pci_clk;
983fda83 WD	80	#endif
	81	#if defined(CONFIG_MPC8220)
	82	unsigned long bExtUart;
	83	unsigned long inp_clk;
	84	unsigned long pci_clk;
	85	unsigned long vco_clk;
	86	unsigned long pev_clk;
	87	unsigned long flb_clk;
0157cedb WD	88	#endif
	89	unsigned long ram_size; /* RAM size */
	90	unsigned long reloc_off; /* Relocation Offset */
	91	unsigned long reset_status; /* reset status register at boot */
	92	unsigned long env_addr; /* Address of Environment struct */
	93	unsigned long env_valid; /* Checksum of Environment valid? */
	94	unsigned long have_console; /* serial_init() was called */
9c4c5ae3	95	#if defined(CFG_ALLOC_DPRAM) \|\| defined(CONFIG_CPM2)
0157cedb WD	96	unsigned int dp_alloc_base;
	97	unsigned int dp_alloc_top;
	98	#endif
12f34241	99	#if defined(CFG_GT_6426x)
0157cedb WD	100	unsigned int mirror_hack[16];
0157cedb WD	101	#endif
756f586a WD	102	#if defined(CONFIG_A3000) \|\| \
	103	defined(CONFIG_HIDDEN_DRAGON) \|\| \
	104	defined(CONFIG_MUSENKI) \|\| \
	105	defined(CONFIG_SANDPOINT)
0157cedb WD	106	void * console_addr;
0157cedb WD	107	#endif
c7de829c WD	108	#ifdef CONFIG_AMIGAONEG3SE
	109	unsigned long relocaddr; /* Start address of U-Boot in RAM */
	110	#endif
0157cedb WD	111	#if defined(CONFIG_LCD) \|\| defined(CONFIG_VIDEO)
	112	unsigned long fb_base; /* Base address of framebuffer memory */
	113	#endif
667122af	114	#if defined(CONFIG_POST) \|\| defined(CONFIG_LOGBUFFER)
228f29ac	115	unsigned long post_log_word; /* Record POST activities */
4532cb69	116	unsigned long post_init_f_time; /* When post_init_f started */
228f29ac	117	#endif
0157cedb WD	118	#ifdef CONFIG_BOARD_TYPES
	119	unsigned long board_type;
	120	#endif
4532cb69 WD	121	#ifdef CONFIG_MODEM_SUPPORT
	122	unsigned long do_mdm_init;
	123	unsigned long be_quiet;
	124	#endif
	125	#ifdef CONFIG_LWMON
	126	unsigned long kbd_status;
8bde7f77	127	#endif
27b207fd	128	void *jt; / jump table */
0157cedb WD	129	} gd_t;
	130
	131	/*
	132	* Global Data Flags
	133	*/
	134	#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
	135	#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
f72da340	136	#define GD_FLG_SILENT 0x00004 /* Silent mode */
0157cedb WD	137
0157cedb WD	138	#if 1
27b207fd	139	#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r29")
0157cedb WD	140	#else /* We could use plain global data, but the resulting code is bigger */
	141	#define XTRN_DECLARE_GLOBAL_DATA_PTR extern
	142	#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
	143	gd_t *gd
	144	#endif
	145
	146	#endif /* __ASM_GBL_DATA_H */