| /* |
| * (C) Copyright 2002 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef __ASM_GBL_DATA_H |
| #define __ASM_GBL_DATA_H |
| /* |
| * The following data structure is placed in some memory wich is |
| * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or |
| * some locked parts of the data cache) to allow for a minimum set of |
| * global variables during system initialization (until we have set |
| * up the memory controller so that we can use RAM). |
| * |
| * Keep it *SMALL* and remember to set CFG_GBL_DATA_SIZE > sizeof(gd_t) |
| */ |
| |
| typedef struct global_data { |
| bd_t *bd; |
| unsigned long flags; |
| unsigned long baudrate; |
| unsigned long cpu_clk; /* CPU clock in Hz! */ |
| unsigned long bus_clk; |
| #if defined(CONFIG_8260) |
| /* There are many clocks on the MPC8260 - see page 9-5 */ |
| unsigned long vco_out; |
| unsigned long cpm_clk; |
| unsigned long scc_clk; |
| unsigned long brg_clk; |
| #endif |
| unsigned long ram_size; /* RAM size */ |
| unsigned long reloc_off; /* Relocation Offset */ |
| unsigned long reset_status; /* reset status register at boot */ |
| unsigned long env_addr; /* Address of Environment struct */ |
| unsigned long env_valid; /* Checksum of Environment valid? */ |
| unsigned long have_console; /* serial_init() was called */ |
| #if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_8260) |
| unsigned int dp_alloc_base; |
| unsigned int dp_alloc_top; |
| #endif |
| #if defined(CONFIG_EVB64260) |
| unsigned int mirror_hack[16]; |
| #endif |
| #if defined(CONFIG_SANDPOINT) || \ |
| defined(CONFIG_MUSENKI) || \ |
| defined(CONFIG_A3000) |
| void * console_addr; |
| #endif |
| #ifdef CONFIG_AMIGAONEG3SE |
| unsigned long relocaddr; /* Start address of U-Boot in RAM */ |
| #endif |
| #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) |
| unsigned long fb_base; /* Base address of framebuffer memory */ |
| #endif |
| #ifdef CONFIG_POST |
| unsigned long post_log_word; /* Record POST activities */ |
| unsigned long post_init_f_time; /* When post_init_f started */ |
| #endif |
| #ifdef CONFIG_BOARD_TYPES |
| unsigned long board_type; |
| #endif |
| #ifdef CONFIG_MODEM_SUPPORT |
| unsigned long do_mdm_init; |
| unsigned long be_quiet; |
| #endif |
| #ifdef CONFIG_LWMON |
| unsigned long kbd_status; |
| #endif |
| } gd_t; |
| |
| /* |
| * Global Data Flags |
| */ |
| #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ |
| #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ |
| |
| #if 1 |
| #define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r29") |
| #else /* We could use plain global data, but the resulting code is bigger */ |
| #define XTRN_DECLARE_GLOBAL_DATA_PTR extern |
| #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ |
| gd_t *gd |
| #endif |
| |
| #endif /* __ASM_GBL_DATA_H */ |