|
|
|
|
/*
|
|
|
|
|
* Copyright (c) 2011 The Chromium OS Authors.
|
|
|
|
|
*
|
|
|
|
|
* (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 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 */
|
|
|
|
|
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 */
|
|
|
|
|
u8 *ram_buf; /* emulated RAM buffer */
|
|
|
|
|
phys_size_t ram_size; /* RAM size */
|
|
|
|
|
const void *fdt_blob; /* Our device tree, NULL if none */
|
|
|
|
|
void **jt; /* jump table */
|
|
|
|
|
char env_buf[32]; /* buffer for getenv() before reloc. */
|
|
|
|
|
} gd_t;
|
|
|
|
|
|
|
|
|
|
#include <asm-generic/global_data_flags.h>
|
|
|
|
|
|
|
|
|
|
#define DECLARE_GLOBAL_DATA_PTR extern gd_t *gd
|
|
|
|
|
|
|
|
|
|
#endif /* __ASM_GBL_DATA_H */
|
