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rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / include / asm-m68k / global_data.h
1 /*
2 * (C) Copyright 2002 - 2003
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 CONFIG_SYS_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 #ifdef CONFIG_PCI
43 unsigned long pci_clk;
44 #endif
45 #ifdef CONFIG_EXTRA_CLOCK
46 unsigned long inp_clk;
47 unsigned long vco_clk;
48 unsigned long flb_clk;
49 #endif
50 #ifdef CONFIG_FSL_I2C
51 unsigned long i2c1_clk;
52 unsigned long i2c2_clk;
53 #endif
54 phys_size_t ram_size; /* RAM size */
55 unsigned long reloc_off; /* Relocation Offset */
56 unsigned long reset_status; /* reset status register at boot */
57 unsigned long env_addr; /* Address of Environment struct */
58 unsigned long env_valid; /* Checksum of Environment valid? */
59 unsigned long have_console; /* serial_init() was called */
60 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
61 unsigned long fb_base; /* Base addr of framebuffer memory */
62 #endif
63 #ifdef CONFIG_BOARD_TYPES
64 unsigned long board_type;
65 #endif
66 void **jt; /* Standalone app jump table */
67 } gd_t;
68
69 /*
70 * Global Data Flags
71 */
72 #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
73 #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
74 #define GD_FLG_SILENT 0x00004 /* Silent mode */
75 #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
76 #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
77 #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
78 #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
79
80 #if 0
81 extern gd_t *global_data;
82 #define DECLARE_GLOBAL_DATA_PTR gd_t *gd = global_data
83 #else
84 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("d7")
85 #endif
86
87 #endif /* __ASM_GBL_DATA_H */