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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 | |
5cb48582 SG |
26 | |
27 | /* Architecture-specific global data */ | |
28 | struct arch_global_data { | |
29 | }; | |
30 | ||
0157cedb | 31 | /* |
f9a78b8d | 32 | * The following data structure is placed in some memory which is |
0157cedb WD |
33 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or |
34 | * some locked parts of the data cache) to allow for a minimum set of | |
35 | * global variables during system initialization (until we have set | |
36 | * up the memory controller so that we can use RAM). | |
0157cedb WD |
37 | */ |
38 | ||
39 | typedef struct global_data { | |
40 | bd_t *bd; | |
41 | unsigned long flags; | |
e46e31a8 | 42 | unsigned int baudrate; |
0157cedb | 43 | unsigned long have_console; /* serial_init() was called */ |
9558b48a GR |
44 | #ifdef CONFIG_PRE_CONSOLE_BUFFER |
45 | unsigned long precon_buf_idx; /* Pre-Console buffer index */ | |
46 | #endif | |
0157cedb WD |
47 | unsigned long env_addr; /* Address of Environment struct */ |
48 | unsigned long env_valid; /* Checksum of Environment valid? */ | |
0157cedb | 49 | unsigned long fb_base; /* base address of frame buffer */ |
c67bee14 SB |
50 | #ifdef CONFIG_FSL_ESDHC |
51 | unsigned long sdhc_clk; | |
f1d2b313 | 52 | #endif |
5dca710a RM |
53 | #ifdef CONFIG_AT91FAMILY |
54 | /* "static data" needed by at91's clock.c */ | |
55 | unsigned long cpu_clk_rate_hz; | |
56 | unsigned long main_clk_rate_hz; | |
57 | unsigned long mck_rate_hz; | |
58 | unsigned long plla_rate_hz; | |
59 | unsigned long pllb_rate_hz; | |
60 | unsigned long at91_pllb_usb_init; | |
f9de0997 PW |
61 | #endif |
62 | #ifdef CONFIG_ARM | |
63 | /* "static data" needed by most of timer.c on ARM platforms */ | |
5dca710a RM |
64 | unsigned long timer_rate_hz; |
65 | unsigned long tbl; | |
66 | unsigned long tbu; | |
67 | unsigned long long timer_reset_value; | |
a429db7e | 68 | unsigned long lastinc; |
ce04bb41 MS |
69 | #endif |
70 | #ifdef CONFIG_IXP425 | |
71 | unsigned long timestamp; | |
5dca710a | 72 | #endif |
f1d2b313 HS |
73 | unsigned long relocaddr; /* Start address of U-Boot in RAM */ |
74 | phys_size_t ram_size; /* RAM size */ | |
75 | unsigned long mon_len; /* monitor len */ | |
76 | unsigned long irq_sp; /* irq stack pointer */ | |
77 | unsigned long start_addr_sp; /* start_addr_stackpointer */ | |
78 | unsigned long reloc_off; | |
e47f2db5 | 79 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
f1d2b313 | 80 | unsigned long tlb_addr; |
724cdffc | 81 | unsigned long tlb_size; |
0157cedb | 82 | #endif |
45ba8077 | 83 | const void *fdt_blob; /* Our device tree, NULL if none */ |
27b207fd | 84 | void **jt; /* jump table */ |
91a76751 | 85 | char env_buf[32]; /* buffer for getenv() before reloc. */ |
ea3681a6 VL |
86 | #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) |
87 | unsigned long post_log_word; /* Record POST activities */ | |
79843950 | 88 | unsigned long post_log_res; /* success of POST test */ |
ea3681a6 VL |
89 | unsigned long post_init_f_time; /* When post_init_f started */ |
90 | #endif | |
5cb48582 | 91 | struct arch_global_data arch; /* architecture-specific data */ |
0157cedb WD |
92 | } gd_t; |
93 | ||
47fde91f | 94 | #include <asm-generic/global_data_flags.h> |
0157cedb | 95 | |
0be248fa | 96 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") |
0157cedb WD |
97 | |
98 | #endif /* __ASM_GBL_DATA_H */ |