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- /*
- * (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 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 GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
- */
- typedef struct global_data {
- bd_t *bd;
- unsigned long flags;
- unsigned long baudrate;
- unsigned long have_console; /* serial_init() was called */
- 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_VFD
- unsigned char vfd_type; /* display type */
- #endif
- #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;
- /* "static data" needed by at91's timer.c */
- unsigned long timer_rate_hz;
- unsigned long tbl;
- unsigned long tbu;
- unsigned long long timer_reset_value;
- #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_NO_ICACHE) && defined(CONFIG_SYS_NO_DCACHE))
- unsigned long tlb_addr;
- #endif
- void **jt; /* jump table */
- char env_buf[32]; /* buffer for getenv() before reloc. */
- } gd_t;
- /*
- * Global Data Flags
- */
- #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
- #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
- #define GD_FLG_SILENT 0x00004 /* Silent mode */
- #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
- #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
- #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
- #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
- #define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
- #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8")
- #endif /* __ASM_GBL_DATA_H */
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