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0157cedb | 1 | /* |
91a76751 | 2 | * (C) Copyright 2002-2010 |
0157cedb WD |
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 | * | |
6d0f6bcf | 33 | * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t) |
0157cedb WD |
34 | */ |
35 | ||
36 | typedef struct global_data { | |
37 | bd_t *bd; | |
38 | unsigned long flags; | |
39 | unsigned long baudrate; | |
40 | unsigned long have_console; /* serial_init() was called */ | |
0157cedb WD |
41 | unsigned long env_addr; /* Address of Environment struct */ |
42 | unsigned long env_valid; /* Checksum of Environment valid? */ | |
0157cedb | 43 | unsigned long fb_base; /* base address of frame buffer */ |
71f95118 | 44 | #ifdef CONFIG_VFD |
6069ff26 | 45 | unsigned char vfd_type; /* display type */ |
0157cedb | 46 | #endif |
c67bee14 SB |
47 | #ifdef CONFIG_FSL_ESDHC |
48 | unsigned long sdhc_clk; | |
f1d2b313 | 49 | #endif |
5dca710a RM |
50 | #ifdef CONFIG_AT91FAMILY |
51 | /* "static data" needed by at91's clock.c */ | |
52 | unsigned long cpu_clk_rate_hz; | |
53 | unsigned long main_clk_rate_hz; | |
54 | unsigned long mck_rate_hz; | |
55 | unsigned long plla_rate_hz; | |
56 | unsigned long pllb_rate_hz; | |
57 | unsigned long at91_pllb_usb_init; | |
58 | /* "static data" needed by at91's timer.c */ | |
59 | unsigned long timer_rate_hz; | |
60 | unsigned long tbl; | |
61 | unsigned long tbu; | |
62 | unsigned long long timer_reset_value; | |
63 | #endif | |
f1d2b313 HS |
64 | #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC) |
65 | unsigned long relocaddr; /* Start address of U-Boot in RAM */ | |
66 | phys_size_t ram_size; /* RAM size */ | |
67 | unsigned long mon_len; /* monitor len */ | |
68 | unsigned long irq_sp; /* irq stack pointer */ | |
69 | unsigned long start_addr_sp; /* start_addr_stackpointer */ | |
70 | unsigned long reloc_off; | |
71 | #if !(defined(CONFIG_SYS_NO_ICACHE) && defined(CONFIG_SYS_NO_DCACHE)) | |
72 | unsigned long tlb_addr; | |
73 | #endif | |
0157cedb | 74 | #endif |
27b207fd | 75 | void **jt; /* jump table */ |
91a76751 | 76 | char env_buf[32]; /* buffer for getenv() before reloc. */ |
0157cedb WD |
77 | } gd_t; |
78 | ||
79 | /* | |
80 | * Global Data Flags | |
81 | */ | |
ea882baf WD |
82 | #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ |
83 | #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
84 | #define GD_FLG_SILENT 0x00004 /* Silent mode */ | |
85 | #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ | |
86 | #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ | |
87 | #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ | |
91a76751 | 88 | #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ |
ea882baf | 89 | #define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */ |
0157cedb | 90 | |
0be248fa | 91 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") |
0157cedb WD |
92 | |
93 | #endif /* __ASM_GBL_DATA_H */ |