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0157cedb WD |
1 | /* |
2 | * (C) Copyright 2002 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #ifndef __ASM_GBL_DATA_H | |
25 | #define __ASM_GBL_DATA_H | |
26 | /* | |
27 | * The following data structure is placed in some memory wich is | |
28 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or | |
29 | * some locked parts of the data cache) to allow for a minimum set of | |
30 | * global variables during system initialization (until we have set | |
31 | * up the memory controller so that we can use RAM). | |
32 | * | |
33 | * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t) | |
34 | */ | |
35 | ||
36 | typedef struct global_data { | |
37 | bd_t *bd; | |
38 | unsigned long flags; | |
39 | unsigned long baudrate; | |
40 | unsigned long cpu_clk; /* CPU clock in Hz! */ | |
41 | unsigned long bus_clk; | |
42 | #if defined(CONFIG_8260) | |
43 | /* There are many clocks on the MPC8260 - see page 9-5 */ | |
44 | unsigned long vco_out; | |
45 | unsigned long cpm_clk; | |
46 | unsigned long scc_clk; | |
47 | unsigned long brg_clk; | |
48 | #endif | |
49 | unsigned long ram_size; /* RAM size */ | |
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 | #if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_8260) | |
56 | unsigned int dp_alloc_base; | |
57 | unsigned int dp_alloc_top; | |
58 | #endif | |
59 | #if defined(CONFIG_EVB64260) | |
60 | unsigned int mirror_hack[16]; | |
61 | #endif | |
0332990b WD |
62 | #if defined(CONFIG_SANDPOINT) || \ |
63 | defined(CONFIG_MUSENKI) || \ | |
64 | defined(CONFIG_A3000) | |
0157cedb WD |
65 | void * console_addr; |
66 | #endif | |
c7de829c WD |
67 | #ifdef CONFIG_AMIGAONEG3SE |
68 | unsigned long relocaddr; /* Start address of U-Boot in RAM */ | |
69 | #endif | |
0157cedb WD |
70 | #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) |
71 | unsigned long fb_base; /* Base address of framebuffer memory */ | |
72 | #endif | |
228f29ac WD |
73 | #ifdef CONFIG_POST |
74 | unsigned long post_log_word; /* Record POST activities */ | |
4532cb69 | 75 | unsigned long post_init_f_time; /* When post_init_f started */ |
228f29ac | 76 | #endif |
0157cedb WD |
77 | #ifdef CONFIG_BOARD_TYPES |
78 | unsigned long board_type; | |
79 | #endif | |
4532cb69 WD |
80 | #ifdef CONFIG_MODEM_SUPPORT |
81 | unsigned long do_mdm_init; | |
82 | unsigned long be_quiet; | |
83 | #endif | |
84 | #ifdef CONFIG_LWMON | |
85 | unsigned long kbd_status; | |
8bde7f77 | 86 | #endif |
0157cedb WD |
87 | } gd_t; |
88 | ||
89 | /* | |
90 | * Global Data Flags | |
91 | */ | |
92 | #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ | |
93 | #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
94 | ||
95 | #if 1 | |
96 | #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r29") | |
97 | #else /* We could use plain global data, but the resulting code is bigger */ | |
98 | #define XTRN_DECLARE_GLOBAL_DATA_PTR extern | |
99 | #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ | |
100 | gd_t *gd | |
101 | #endif | |
102 | ||
103 | #endif /* __ASM_GBL_DATA_H */ |