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1 | /* |
2 | * (C) Copyright 2002 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * (C) Copyright 2007 | |
6 | * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. | |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | #ifndef __ASM_GBL_DATA_H | |
28 | #define __ASM_GBL_DATA_H | |
29 | ||
30 | #include "asm/types.h" | |
31 | ||
32 | /* | |
33 | * The following data structure is placed in some memory wich is | |
34 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or | |
35 | * some locked parts of the data cache) to allow for a minimum set of | |
36 | * global variables during system initialization (until we have set | |
37 | * up the memory controller so that we can use RAM). | |
38 | * | |
6d0f6bcf | 39 | * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t) |
c2f02da2 DH |
40 | */ |
41 | ||
42 | typedef struct global_data { | |
43 | bd_t *bd; | |
44 | unsigned long flags; | |
45 | unsigned long baudrate; | |
46 | unsigned long cpu_clk; /* CPU clock in Hz! */ | |
47 | unsigned long bus_clk; | |
48 | ||
b57ca3e1 | 49 | phys_size_t ram_size; /* RAM size */ |
c2f02da2 DH |
50 | unsigned long reloc_off; /* Relocation Offset */ |
51 | unsigned long reset_status; /* reset status register at boot */ | |
52 | unsigned long env_addr; /* Address of Environment struct */ | |
53 | unsigned long env_valid; /* Checksum of Environment valid? */ | |
54 | unsigned long have_console; /* serial_init() was called */ | |
55 | ||
56 | #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) | |
57 | unsigned long fb_base; /* Base address of framebuffer memory */ | |
58 | #endif | |
59 | #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) | |
60 | unsigned long post_log_word; /* Record POST activities */ | |
61 | unsigned long post_init_f_time; /* When post_init_f started */ | |
62 | #endif | |
63 | #ifdef CONFIG_BOARD_TYPES | |
64 | unsigned long board_type; | |
65 | #endif | |
66 | #ifdef CONFIG_MODEM_SUPPORT | |
67 | unsigned long do_mdm_init; | |
68 | unsigned long be_quiet; | |
69 | #endif | |
70 | #ifdef CONFIG_LWMON | |
71 | unsigned long kbd_status; | |
72 | #endif | |
73 | void **jt; /* jump table */ | |
74 | } gd_t; | |
75 | ||
76 | /* | |
77 | * Global Data Flags | |
78 | */ | |
79 | #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ | |
80 | #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
81 | #define GD_FLG_SILENT 0x00004 /* Silent mode */ | |
28a38506 YT |
82 | #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ |
83 | #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ | |
0e15ddd1 | 84 | #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ |
f5c3ba79 | 85 | #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ |
c2f02da2 DH |
86 | |
87 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("%g7") | |
88 | ||
89 | #endif /* __ASM_GBL_DATA_H */ |