| /* |
| * (C) Copyright 2002-2010 |
| * 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 which 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). |
| */ |
| |
| typedef struct global_data { |
| bd_t *bd; |
| unsigned long flags; |
| unsigned long baudrate; |
| unsigned long have_console; /* serial_init() was called */ |
| #ifdef CONFIG_PRE_CONSOLE_BUFFER |
| unsigned long precon_buf_idx; /* Pre-Console buffer index */ |
| #endif |
| unsigned long env_addr; /* Address of Environment struct */ |
| unsigned long env_valid; /* Checksum of Environment valid? */ |
| unsigned long fb_base; /* base address of frame buffer */ |
| #ifdef CONFIG_FSL_ESDHC |
| unsigned long sdhc_clk; |
| #endif |
| #ifdef CONFIG_AT91FAMILY |
| /* "static data" needed by at91's clock.c */ |
| unsigned long cpu_clk_rate_hz; |
| unsigned long main_clk_rate_hz; |
| unsigned long mck_rate_hz; |
| unsigned long plla_rate_hz; |
| unsigned long pllb_rate_hz; |
| unsigned long at91_pllb_usb_init; |
| #endif |
| #ifdef CONFIG_ARM |
| /* "static data" needed by most of timer.c on ARM platforms */ |
| unsigned long timer_rate_hz; |
| unsigned long tbl; |
| unsigned long tbu; |
| unsigned long long timer_reset_value; |
| unsigned long lastinc; |
| #endif |
| #ifdef CONFIG_IXP425 |
| unsigned long timestamp; |
| #endif |
| unsigned long relocaddr; /* Start address of U-Boot in RAM */ |
| phys_size_t ram_size; /* RAM size */ |
| unsigned long mon_len; /* monitor len */ |
| unsigned long irq_sp; /* irq stack pointer */ |
| unsigned long start_addr_sp; /* start_addr_stackpointer */ |
| unsigned long reloc_off; |
| #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
| unsigned long tlb_addr; |
| #endif |
| const void *fdt_blob; /* Our device tree, NULL if none */ |
| void **jt; /* jump table */ |
| char env_buf[32]; /* buffer for getenv() before reloc. */ |
| #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) |
| unsigned long post_log_word; /* Record POST activities */ |
| unsigned long post_log_res; /* success of POST test */ |
| unsigned long post_init_f_time; /* When post_init_f started */ |
| #endif |
| } gd_t; |
| |
| #include <asm-generic/global_data_flags.h> |
| |
| #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") |
| |
| #endif /* __ASM_GBL_DATA_H */ |
