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Diffstat (limited to 'arch/mips/include/asm/global_data.h')
| -rw-r--r-- | arch/mips/include/asm/global_data.h | 64 | 
1 files changed, 64 insertions, 0 deletions
| diff --git a/arch/mips/include/asm/global_data.h b/arch/mips/include/asm/global_data.h new file mode 100644 index 000000000..b2c489115 --- /dev/null +++ b/arch/mips/include/asm/global_data.h @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2002-2003 + * 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/regdef.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	have_console;	/* serial_init() was called */ +	phys_size_t	ram_size;	/* RAM size */ +	unsigned long	reloc_off;	/* Relocation Offset */ +	unsigned long	env_addr;	/* Address  of Environment struct */ +	unsigned long	env_valid;	/* Checksum of Environment valid? */ +	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 Buf has been initialized	 */ +#define GD_FLG_DISABLE_CONSOLE	0x00040		/* Disable console (in & out)	 */ + +#define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("k0") + +#endif /* __ASM_GBL_DATA_H */ |