projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 4e5ca3eb | 1 | /* |
| bf9e3b38 | 2 | * (C) Copyright 2002 - 2003 |
| 4e5ca3eb WD |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. |
| 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; | |
| 8ae158cd TL |
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 | |
| 4e5ca3eb WD |
50 | unsigned long ram_size; /* RAM size */ |
| 51 | unsigned long reloc_off; /* Relocation Offset */ | |
| 52 | unsigned long reset_status; /* reset status register at boot */ | |
| 53 | unsigned long env_addr; /* Address of Environment struct */ | |
| 54 | unsigned long env_valid; /* Checksum of Environment valid? */ | |
| 55 | unsigned long have_console; /* serial_init() was called */ | |
| 1552af70 TL |
56 | #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) |
| 57 | unsigned long fb_base; /* Base addr of framebuffer memory */ | |
| 58 | #endif | |
| 4e5ca3eb WD |
59 | #ifdef CONFIG_BOARD_TYPES |
| 60 | unsigned long board_type; | |
| 61 | #endif | |
| bf9e3b38 | 62 | void **jt; /* Standalone app jump table */ |
| 4e5ca3eb WD |
63 | } gd_t; |
| 64 | ||
| 65 | /* | |
| 66 | * Global Data Flags | |
| 67 | */ | |
| 68 | #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ | |
| 69 | #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
| 3ff02c27 | 70 | #define GD_FLG_SILENT 0x00004 /* Silent mode */ |
| b428f6a8 | 71 | #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ |
| 4e5ca3eb | 72 | |
| bf9e3b38 | 73 | #if 0 |
| 4e5ca3eb WD |
74 | extern gd_t *global_data; |
| 75 | #define DECLARE_GLOBAL_DATA_PTR gd_t *gd = global_data | |
| bf9e3b38 WD |
76 | #else |
| 77 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("d7") | |
| 78 | #endif | |
| 4e5ca3eb WD |
79 | |
| 80 | #endif /* __ASM_GBL_DATA_H */ |