1819833afSPeter Tyser /* 2*91a76751SWolfgang Denk * (C) Copyright 2002-2010 3819833afSPeter Tyser * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4819833afSPeter Tyser * 5819833afSPeter Tyser * See file CREDITS for list of people who contributed to this 6819833afSPeter Tyser * project. 7819833afSPeter Tyser * 8819833afSPeter Tyser * This program is free software; you can redistribute it and/or 9819833afSPeter Tyser * modify it under the terms of the GNU General Public License as 10819833afSPeter Tyser * published by the Free Software Foundation; either version 2 of 11819833afSPeter Tyser * the License, or (at your option) any later version. 12819833afSPeter Tyser * 13819833afSPeter Tyser * This program is distributed in the hope that it will be useful, 14819833afSPeter Tyser * but WITHOUT ANY WARRANTY; without even the implied warranty of 15819833afSPeter Tyser * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16819833afSPeter Tyser * GNU General Public License for more details. 17819833afSPeter Tyser * 18819833afSPeter Tyser * You should have received a copy of the GNU General Public License 19819833afSPeter Tyser * along with this program; if not, write to the Free Software 20819833afSPeter Tyser * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21819833afSPeter Tyser * MA 02111-1307 USA 22819833afSPeter Tyser */ 23819833afSPeter Tyser 24819833afSPeter Tyser #ifndef __ASM_GBL_DATA_H 25819833afSPeter Tyser #define __ASM_GBL_DATA_H 26819833afSPeter Tyser /* 27819833afSPeter Tyser * The following data structure is placed in some memory wich is 28819833afSPeter Tyser * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 29819833afSPeter Tyser * some locked parts of the data cache) to allow for a minimum set of 30819833afSPeter Tyser * global variables during system initialization (until we have set 31819833afSPeter Tyser * up the memory controller so that we can use RAM). 32819833afSPeter Tyser * 33819833afSPeter Tyser * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t) 34819833afSPeter Tyser */ 35819833afSPeter Tyser 36819833afSPeter Tyser typedef struct global_data { 37819833afSPeter Tyser bd_t *bd; 38819833afSPeter Tyser unsigned long flags; 39819833afSPeter Tyser unsigned long baudrate; 40819833afSPeter Tyser unsigned long have_console; /* serial_init() was called */ 41819833afSPeter Tyser unsigned long env_addr; /* Address of Environment struct */ 42819833afSPeter Tyser unsigned long env_valid; /* Checksum of Environment valid? */ 43819833afSPeter Tyser unsigned long fb_base; /* base address of frame buffer */ 44819833afSPeter Tyser #ifdef CONFIG_VFD 45819833afSPeter Tyser unsigned char vfd_type; /* display type */ 46819833afSPeter Tyser #endif 47819833afSPeter Tyser #ifdef CONFIG_FSL_ESDHC 48819833afSPeter Tyser unsigned long sdhc_clk; 49819833afSPeter Tyser #endif 50819833afSPeter Tyser void **jt; /* jump table */ 51*91a76751SWolfgang Denk char env_buf[32]; /* buffer for getenv() before reloc. */ 52819833afSPeter Tyser } gd_t; 53819833afSPeter Tyser 54819833afSPeter Tyser /* 55819833afSPeter Tyser * Global Data Flags 56819833afSPeter Tyser */ 57819833afSPeter Tyser #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ 58819833afSPeter Tyser #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ 59819833afSPeter Tyser #define GD_FLG_SILENT 0x00004 /* Silent mode */ 60819833afSPeter Tyser #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ 61819833afSPeter Tyser #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ 62819833afSPeter Tyser #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ 63819833afSPeter Tyser #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ 64819833afSPeter Tyser 65819833afSPeter Tyser #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") 66819833afSPeter Tyser 67819833afSPeter Tyser #endif /* __ASM_GBL_DATA_H */ 68