1819833afSPeter Tyser /* 291a76751SWolfgang 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 #include <asm/regdef.h> 28819833afSPeter Tyser 29819833afSPeter Tyser /* 30819833afSPeter Tyser * The following data structure is placed in some memory wich is 31819833afSPeter Tyser * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 32819833afSPeter Tyser * some locked parts of the data cache) to allow for a minimum set of 33819833afSPeter Tyser * global variables during system initialization (until we have set 34819833afSPeter Tyser * up the memory controller so that we can use RAM). 35819833afSPeter Tyser */ 36819833afSPeter Tyser 37819833afSPeter Tyser typedef struct global_data { 38819833afSPeter Tyser bd_t *bd; 39819833afSPeter Tyser unsigned long flags; 4080421fccSXiangfu Liu #ifdef CONFIG_JZSOC 4180421fccSXiangfu Liu /* There are other clocks in the jz4740 */ 4280421fccSXiangfu Liu unsigned long cpu_clk; /* CPU core clock */ 4380421fccSXiangfu Liu unsigned long sys_clk; /* System bus clock */ 4480421fccSXiangfu Liu unsigned long per_clk; /* Peripheral bus clock */ 4580421fccSXiangfu Liu unsigned long mem_clk; /* Memory bus clock */ 4680421fccSXiangfu Liu unsigned long dev_clk; /* Device clock */ 4780421fccSXiangfu Liu /* "static data" needed by most of timer.c */ 4880421fccSXiangfu Liu unsigned long tbl; 4980421fccSXiangfu Liu unsigned long lastinc; 5080421fccSXiangfu Liu #endif 51819833afSPeter Tyser unsigned long baudrate; 52819833afSPeter Tyser unsigned long have_console; /* serial_init() was called */ 539558b48aSGraeme Russ #ifdef CONFIG_PRE_CONSOLE_BUFFER 549558b48aSGraeme Russ unsigned long precon_buf_idx; /* Pre-Console buffer index */ 559558b48aSGraeme Russ #endif 56819833afSPeter Tyser phys_size_t ram_size; /* RAM size */ 57819833afSPeter Tyser unsigned long reloc_off; /* Relocation Offset */ 58819833afSPeter Tyser unsigned long env_addr; /* Address of Environment struct */ 59819833afSPeter Tyser unsigned long env_valid; /* Checksum of Environment valid? */ 60819833afSPeter Tyser void **jt; /* jump table */ 6191a76751SWolfgang Denk char env_buf[32]; /* buffer for getenv() before reloc. */ 62819833afSPeter Tyser } gd_t; 63819833afSPeter Tyser 64*47fde91fSMike Frysinger #include <asm-generic/global_data_flags.h> 65819833afSPeter Tyser 66819833afSPeter Tyser #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("k0") 67819833afSPeter Tyser 68819833afSPeter Tyser #endif /* __ASM_GBL_DATA_H */ 69