/* * 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). */ typedef struct global_data { bd_t *bd; unsigned long flags; unsigned int baudrate; unsigned long stack_end; /* highest stack address */ 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? */ unsigned long cpu_hz; /* cpu core clock frequency */ #if defined(CONFIG_LCD) void *fb_base; /* framebuffer address */ #endif void **jt; /* jump table */ char env_buf[32]; /* buffer for getenv() before reloc. */ } gd_t; #include #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5") #endif /* __ASM_GLOBAL_DATA_H__ */