Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 1 | /* |
| 2 | * U-boot - global_data.h Declarations for global data of u-boot |
| 3 | * |
Aubrey Li | 314d22f | 2007-04-05 18:31:18 +0800 | [diff] [blame] | 4 | * Copyright (c) 2005-2007 Analog Devices Inc. |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 5 | * |
Wolfgang Denk | f710efd | 2010-07-24 20:22:02 +0200 | [diff] [blame] | 6 | * (C) Copyright 2000-2010 |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 7 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
Aubrey Li | 314d22f | 2007-04-05 18:31:18 +0800 | [diff] [blame] | 24 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| 25 | * MA 02110-1301 USA |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 26 | */ |
| 27 | |
| 28 | #ifndef __ASM_GBL_DATA_H |
| 29 | #define __ASM_GBL_DATA_H |
| 30 | |
Mike Frysinger | 66bcb2c | 2009-11-09 18:08:09 -0500 | [diff] [blame] | 31 | #include <asm/u-boot.h> |
| 32 | |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 33 | /* |
| 34 | * The following data structure is placed in some memory wich is |
| 35 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or |
| 36 | * some locked parts of the data cache) to allow for a minimum set of |
| 37 | * global variables during system initialization (until we have set |
| 38 | * up the memory controller so that we can use RAM). |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 39 | */ |
| 40 | typedef struct global_data { |
| 41 | bd_t *bd; |
| 42 | unsigned long flags; |
| 43 | unsigned long board_type; |
| 44 | unsigned long baudrate; |
| 45 | unsigned long have_console; /* serial_init() was called */ |
Graeme Russ | 3c28f48 | 2011-09-01 00:48:27 +0000 | [diff] [blame] | 46 | #ifdef CONFIG_PRE_CONSOLE_BUFFER |
| 47 | unsigned long precon_buf_idx; /* Pre-Console buffer index */ |
| 48 | #endif |
Becky Bruce | a36601e | 2008-06-09 20:37:16 -0500 | [diff] [blame] | 49 | phys_size_t ram_size; /* RAM size */ |
Aubrey.Li | 9da597f | 2007-03-09 13:38:44 +0800 | [diff] [blame] | 50 | unsigned long env_addr; /* Address of Environment struct */ |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 51 | unsigned long env_valid; /* Checksum of Environment valid? */ |
Aubrey.Li | 9da597f | 2007-03-09 13:38:44 +0800 | [diff] [blame] | 52 | #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) |
| 53 | unsigned long post_log_word; /* Record POST activities */ |
Valentin Longchamp | b918173 | 2011-08-03 02:37:01 +0000 | [diff] [blame] | 54 | unsigned long post_log_res; /* success of POST test */ |
Aubrey.Li | 9da597f | 2007-03-09 13:38:44 +0800 | [diff] [blame] | 55 | unsigned long post_init_f_time; /* When post_init_f started */ |
| 56 | #endif |
| 57 | |
Wolfgang Denk | f710efd | 2010-07-24 20:22:02 +0200 | [diff] [blame] | 58 | void **jt; /* jump table */ |
| 59 | char env_buf[32]; /* buffer for getenv() before reloc. */ |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 60 | } gd_t; |
| 61 | |
Mike Frysinger | 211c210 | 2012-03-18 14:31:24 +0000 | [diff] [blame] | 62 | #include <asm-generic/global_data_flags.h> |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 63 | |
Mike Frysinger | 5dd14f8 | 2012-02-16 01:10:43 -0500 | [diff] [blame] | 64 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("P3") |
Wolfgang Denk | 97caf67 | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 65 | |
| 66 | #endif |