1fea25720SGraeme Russ /* 2fea25720SGraeme Russ * (C) Copyright 2002-2010 3fea25720SGraeme Russ * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4fea25720SGraeme Russ * 5fea25720SGraeme Russ * See file CREDITS for list of people who contributed to this 6fea25720SGraeme Russ * project. 7fea25720SGraeme Russ * 8fea25720SGraeme Russ * This program is free software; you can redistribute it and/or 9fea25720SGraeme Russ * modify it under the terms of the GNU General Public License as 10fea25720SGraeme Russ * published by the Free Software Foundation; either version 2 of 11fea25720SGraeme Russ * the License, or (at your option) any later version. 12fea25720SGraeme Russ * 13fea25720SGraeme Russ * This program is distributed in the hope that it will be useful, 14fea25720SGraeme Russ * but WITHOUT ANY WARRANTY; without even the implied warranty of 15fea25720SGraeme Russ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16fea25720SGraeme Russ * GNU General Public License for more details. 17fea25720SGraeme Russ * 18fea25720SGraeme Russ * You should have received a copy of the GNU General Public License 19fea25720SGraeme Russ * along with this program; if not, write to the Free Software 20fea25720SGraeme Russ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21fea25720SGraeme Russ * MA 02111-1307 USA 22fea25720SGraeme Russ */ 23fea25720SGraeme Russ 24fea25720SGraeme Russ #ifndef __ASM_GBL_DATA_H 25fea25720SGraeme Russ #define __ASM_GBL_DATA_H 265cb48582SSimon Glass 275cb48582SSimon Glass #ifndef __ASSEMBLY__ 285cb48582SSimon Glass 295cb48582SSimon Glass /* Architecture-specific global data */ 305cb48582SSimon Glass struct arch_global_data { 315a35e6c4SSimon Glass struct global_data *gd_addr; /* Location of Global Data */ 32bc2df1afSSimon Glass uint64_t tsc_base; /* Initial value returned by rdtsc() */ 33bc2df1afSSimon Glass uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 34bc2df1afSSimon Glass uint32_t tsc_prev; /* For show_boot_progress() */ 35*f697d528SSimon Glass void *new_fdt; /* Relocated FDT */ 365cb48582SSimon Glass }; 375cb48582SSimon Glass 389558b48aSGraeme Russ #endif 39fea25720SGraeme Russ 4043cff66eSSimon Glass #include <asm-generic/global_data.h> 4143cff66eSSimon Glass 4243cff66eSSimon Glass #ifndef __ASSEMBLY__ 439e6c572fSGraeme Russ static inline gd_t *get_fs_gd_ptr(void) 449e6c572fSGraeme Russ { 459e6c572fSGraeme Russ gd_t *gd_ptr; 469e6c572fSGraeme Russ 479e6c572fSGraeme Russ asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 489e6c572fSGraeme Russ 499e6c572fSGraeme Russ return gd_ptr; 509e6c572fSGraeme Russ } 519e6c572fSGraeme Russ 529e6c572fSGraeme Russ #define gd get_fs_gd_ptr() 53fea25720SGraeme Russ 54fea25720SGraeme Russ #endif 55fea25720SGraeme Russ 5691d82a29SGabe Black /* 5791d82a29SGabe Black * Our private Global Data Flags 5891d82a29SGabe Black */ 5991d82a29SGabe Black #define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ 6091d82a29SGabe Black #define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ 6191d82a29SGabe Black 62fea25720SGraeme Russ #define DECLARE_GLOBAL_DATA_PTR 63fea25720SGraeme Russ 64fea25720SGraeme Russ #endif /* __ASM_GBL_DATA_H */ 65