Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004-2006 Atmel Corporation |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | #ifndef __ASM_GLOBAL_DATA_H__ |
| 23 | #define __ASM_GLOBAL_DATA_H__ |
| 24 | |
Simon Glass | 5cb4858 | 2012-12-13 20:48:30 +0000 | [diff] [blame] | 25 | /* Architecture-specific global data */ |
| 26 | struct arch_global_data { |
Simon Glass | 1c865d5 | 2012-12-13 20:49:09 +0000 | [diff] [blame^] | 27 | unsigned long stack_end; /* highest stack address */ |
Simon Glass | 5cb4858 | 2012-12-13 20:48:30 +0000 | [diff] [blame] | 28 | }; |
| 29 | |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 30 | /* |
| 31 | * The following data structure is placed in some memory wich is |
| 32 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or |
| 33 | * some locked parts of the data cache) to allow for a minimum set of |
| 34 | * global variables during system initialization (until we have set |
| 35 | * up the memory controller so that we can use RAM). |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 36 | */ |
| 37 | |
| 38 | typedef struct global_data { |
| 39 | bd_t *bd; |
| 40 | unsigned long flags; |
Simon Glass | 15dc95d | 2012-10-12 14:21:09 +0000 | [diff] [blame] | 41 | unsigned int baudrate; |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 42 | unsigned long have_console; /* serial_init() was called */ |
Graeme Russ | 9558b48 | 2011-09-01 00:48:27 +0000 | [diff] [blame] | 43 | #ifdef CONFIG_PRE_CONSOLE_BUFFER |
| 44 | unsigned long precon_buf_idx; /* Pre-Console buffer index */ |
| 45 | #endif |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 46 | unsigned long reloc_off; /* Relocation Offset */ |
| 47 | unsigned long env_addr; /* Address of env struct */ |
| 48 | unsigned long env_valid; /* Checksum of env valid? */ |
| 49 | unsigned long cpu_hz; /* cpu core clock frequency */ |
Mark Jackson | 716ece1 | 2009-07-21 11:11:37 +0100 | [diff] [blame] | 50 | #if defined(CONFIG_LCD) |
| 51 | void *fb_base; /* framebuffer address */ |
| 52 | #endif |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 53 | void **jt; /* jump table */ |
Wolfgang Denk | 91a7675 | 2010-07-24 20:22:02 +0200 | [diff] [blame] | 54 | char env_buf[32]; /* buffer for getenv() before reloc. */ |
Simon Glass | 5cb4858 | 2012-12-13 20:48:30 +0000 | [diff] [blame] | 55 | struct arch_global_data arch; /* architecture-specific data */ |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 56 | } gd_t; |
| 57 | |
Mike Frysinger | 47fde91 | 2012-03-18 14:31:24 +0000 | [diff] [blame] | 58 | #include <asm-generic/global_data_flags.h> |
Wolfgang Denk | 7b64fef | 2006-10-24 14:21:16 +0200 | [diff] [blame] | 59 | |
| 60 | #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5") |
| 61 | |
| 62 | #endif /* __ASM_GLOBAL_DATA_H__ */ |