|
|
|
|
/*
|
|
|
|
|
* Copyright (C) 2004-2006 Atmel Corporation
|
|
|
|
|
*
|
|
|
|
|
* 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_GLOBAL_DATA_H__
|
|
|
|
|
#define __ASM_GLOBAL_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 CFG_GBL_DATA_SIZE > sizeof(gd_t)
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
typedef struct global_data {
|
|
|
|
|
bd_t *bd;
|
|
|
|
|
unsigned long flags;
|
|
|
|
|
unsigned long baudrate;
|
|
|
|
|
unsigned long stack_end; /* highest stack address */
|
|
|
|
|
unsigned long have_console; /* serial_init() was called */
|
|
|
|
|
unsigned long reloc_off; /* Relocation Offset */
|
|
|
|
|
unsigned long env_addr; /* Address of env struct */
|
|
|
|
|
unsigned long env_valid; /* Checksum of env valid? */
|
|
|
|
|
unsigned long cpu_hz; /* cpu core clock frequency */
|
|
|
|
|
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 DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5")
|
|
|
|
|
|
|
|
|
|
#endif /* __ASM_GLOBAL_DATA_H__ */
|
