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 #ifndef __ASSEMBLY__ 28 29 /* Architecture-specific global data */ 30 struct arch_global_data { 31 struct global_data *gd_addr; /* Location of Global Data */ 32 uint64_t tsc_base; /* Initial value returned by rdtsc() */ 33 uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 34 uint32_t tsc_prev; /* For show_boot_progress() */ 35 void *new_fdt; /* Relocated FDT */ 36 }; 37 38 #endif 39 40 #include <asm-generic/global_data.h> 41 42 #ifndef __ASSEMBLY__ 43 static inline gd_t *get_fs_gd_ptr(void) 44 { 45 gd_t *gd_ptr; 46 47 asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 48 49 return gd_ptr; 50 } 51 52 #define gd get_fs_gd_ptr() 53 54 #endif 55 56 /* 57 * Our private Global Data Flags 58 */ 59 #define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ 60 #define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ 61 62 #define DECLARE_GLOBAL_DATA_PTR 63 64 #endif /* __ASM_GBL_DATA_H */ 65