diff options
Diffstat (limited to 'include/asm-avr32/global_data.h')
| -rw-r--r-- | include/asm-avr32/global_data.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/asm-avr32/global_data.h b/include/asm-avr32/global_data.h new file mode 100644 index 0000000000..01d836c639 --- /dev/null +++ b/include/asm-avr32/global_data.h @@ -0,0 +1,59 @@ +/* + * 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 CFG_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + const struct device *console_uart; + const struct device *sm; + unsigned long baudrate; + unsigned long sdram_size; + 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 */ + 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 DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5") + +#endif /* __ASM_GLOBAL_DATA_H__ */ |