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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; | |
945af8d7 WD |
48 | #endif |
49 | #if defined(CONFIG_MPC5XXX) | |
50 | unsigned long ipb_clk; | |
51 | unsigned long pci_clk; | |
0157cedb WD |
52 | #endif |
53 | unsigned long ram_size; /* RAM size */ | |
54 | unsigned long reloc_off; /* Relocation Offset */ | |
55 | unsigned long reset_status; /* reset status register at boot */ | |
56 | unsigned long env_addr; /* Address of Environment struct */ | |
57 | unsigned long env_valid; /* Checksum of Environment valid? */ | |
58 | unsigned long have_console; /* serial_init() was called */ | |
59 | #if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_8260) | |
60 | unsigned int dp_alloc_base; | |
61 | unsigned int dp_alloc_top; | |
62 | #endif | |
63 | #if defined(CONFIG_EVB64260) | |
64 | unsigned int mirror_hack[16]; | |
65 | #endif | |
0332990b WD |
66 | #if defined(CONFIG_SANDPOINT) || \ |
67 | defined(CONFIG_MUSENKI) || \ | |
68 | defined(CONFIG_A3000) | |
0157cedb WD |
69 | void * console_addr; |
70 | #endif | |
c7de829c WD |
71 | #ifdef CONFIG_AMIGAONEG3SE |
72 | unsigned long relocaddr; /* Start address of U-Boot in RAM */ | |
73 | #endif | |
0157cedb WD |
74 | #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) |
75 | unsigned long fb_base; /* Base address of framebuffer memory */ | |
76 | #endif | |
667122af | 77 | #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) |
228f29ac | 78 | unsigned long post_log_word; /* Record POST activities */ |
4532cb69 | 79 | unsigned long post_init_f_time; /* When post_init_f started */ |
228f29ac | 80 | #endif |
0157cedb WD |
81 | #ifdef CONFIG_BOARD_TYPES |
82 | unsigned long board_type; | |
83 | #endif | |
4532cb69 WD |
84 | #ifdef CONFIG_MODEM_SUPPORT |
85 | unsigned long do_mdm_init; | |
86 | unsigned long be_quiet; | |
87 | #endif | |
88 | #ifdef CONFIG_LWMON | |
89 | unsigned long kbd_status; | |
8bde7f77 | 90 | #endif |
27b207fd | 91 | void **jt; /* jump table */ |
0157cedb WD |
92 | } gd_t; |
93 | ||
94 | /* | |
95 | * Global Data Flags | |
96 | */ | |
97 | #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ | |
98 | #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
99 | ||
100 | #if 1 | |
27b207fd | 101 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r29") |
0157cedb WD |
102 | #else /* We could use plain global data, but the resulting code is bigger */ |
103 | #define XTRN_DECLARE_GLOBAL_DATA_PTR extern | |
104 | #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ | |
105 | gd_t *gd | |
106 | #endif | |
107 | ||
108 | #endif /* __ASM_GBL_DATA_H */ |