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/*
* 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__
/* Architecture-specific global data */
struct arch_global_data {
unsigned long stack_end; /* highest stack address */
unsigned long cpu_hz; /* cpu core clock frequency */
};
/*
* 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).
*/
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 reloc_off; /* Relocation Offset */
unsigned long env_addr; /* Address of env struct */
unsigned long env_valid; /* Checksum of env valid? */
#if defined(CONFIG_LCD)
void *fb_base; /* framebuffer address */
#endif
void **jt; /* jump table */
char env_buf[32]; /* buffer for getenv() before reloc. */
struct arch_global_data arch; /* architecture-specific data */
} gd_t;
#include <asm-generic/global_data_flags.h>
#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5")
#endif /* __ASM_GLOBAL_DATA_H__ */
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