blob: b1feb2c0d0fc05558c9cb69a7ad00e3637a5d564 [file] [log] [blame]
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering,
* Copyright (C) 2011 Andes Technology Corporation
* Shawn Lin, Andes Technology Corporation <>
* Macpaul Lin, Andes Technology 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
* 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
* - do not implement for NDS32 Arch yet.
* - so far no one uses the macros defined in this head file.
#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 reloc_off; /* Relocation Offset */
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 */
unsigned long relocaddr; /* Start address of U-Boot in RAM */
phys_size_t ram_size; /* RAM size */
unsigned long mon_len; /* monitor len */
unsigned long irq_sp; /* irq stack pointer */
unsigned long start_addr_sp; /* start_addr_stackpointer */
unsigned long tlb_addr;
void **jt; /* jump table */
char env_buf[32]; /* buffer for getenv() before reloc. */
} gd_t;
#include <asm-generic/global_data_flags.h>
extern volatile gd_t g_gd;
#define DECLARE_GLOBAL_DATA_PTR static volatile gd_t *gd = &g_gd
#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("$r10")
#endif /* __ASM_GBL_DATA_H */