1 /* 2 * (C) Copyright 2002-2010 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef __ASM_GBL_DATA_H 25 #define __ASM_GBL_DATA_H 26 27 #include <asm/regdef.h> 28 29 /* Architecture-specific global data */ 30 struct arch_global_data { 31 }; 32 33 /* 34 * The following data structure is placed in some memory wich is 35 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or 36 * some locked parts of the data cache) to allow for a minimum set of 37 * global variables during system initialization (until we have set 38 * up the memory controller so that we can use RAM). 39 */ 40 41 typedef struct global_data { 42 bd_t *bd; 43 unsigned long flags; 44 #ifdef CONFIG_JZSOC 45 /* There are other clocks in the jz4740 */ 46 unsigned long cpu_clk; /* CPU core clock */ 47 unsigned long sys_clk; /* System bus clock */ 48 unsigned long per_clk; /* Peripheral bus clock */ 49 unsigned long mem_clk; /* Memory bus clock */ 50 unsigned long dev_clk; /* Device clock */ 51 /* "static data" needed by most of timer.c */ 52 unsigned long tbl; 53 unsigned long lastinc; 54 #endif 55 unsigned int baudrate; 56 unsigned long have_console; /* serial_init() was called */ 57 #ifdef CONFIG_PRE_CONSOLE_BUFFER 58 unsigned long precon_buf_idx; /* Pre-Console buffer index */ 59 #endif 60 phys_size_t ram_size; /* RAM size */ 61 unsigned long reloc_off; /* Relocation Offset */ 62 unsigned long env_addr; /* Address of Environment struct */ 63 unsigned long env_valid; /* Checksum of Environment valid? */ 64 void **jt; /* jump table */ 65 char env_buf[32]; /* buffer for getenv() before reloc. */ 66 struct arch_global_data arch; /* architecture-specific data */ 67 } gd_t; 68 69 #include <asm-generic/global_data_flags.h> 70 71 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("k0") 72 73 #endif /* __ASM_GBL_DATA_H */ 74