diff options
Diffstat (limited to 'arch/avr32/include/asm/global_data.h')
-rw-r--r-- | arch/avr32/include/asm/global_data.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/global_data.h b/arch/avr32/include/asm/global_data.h new file mode 100644 index 00000000000..efbdda9ba4c --- /dev/null +++ b/arch/avr32/include/asm/global_data.h @@ -0,0 +1,64 @@ +/* + * 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 CONFIG_SYS_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 */ +#if defined(CONFIG_LCD) + void *fb_base; /* framebuffer address */ +#endif + 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 GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ +#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ +#define GD_FLG_LOGINIT 0x00020 /* Log Buf has been initialized */ +#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ + +#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5") + +#endif /* __ASM_GLOBAL_DATA_H__ */ |