1 /* 2 * (C) Copyright 2002-2010 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef __ASM_GBL_DATA_H 9 #define __ASM_GBL_DATA_H 10 11 #ifndef __ASSEMBLY__ 12 13 enum pei_boot_mode_t { 14 PEI_BOOT_NONE = 0, 15 PEI_BOOT_SOFT_RESET, 16 PEI_BOOT_RESUME, 17 18 }; 19 20 struct memory_area { 21 uint64_t start; 22 uint64_t size; 23 }; 24 25 struct memory_info { 26 int num_areas; 27 uint64_t total_memory; 28 uint64_t total_32bit_memory; 29 struct memory_area area[CONFIG_NR_DRAM_BANKS]; 30 }; 31 32 /* Architecture-specific global data */ 33 struct arch_global_data { 34 struct global_data *gd_addr; /* Location of Global Data */ 35 uint8_t x86; /* CPU family */ 36 uint8_t x86_vendor; /* CPU vendor */ 37 uint8_t x86_model; 38 uint8_t x86_mask; 39 uint32_t x86_device; 40 uint64_t tsc_base; /* Initial value returned by rdtsc() */ 41 uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 42 uint32_t tsc_prev; /* For show_boot_progress() */ 43 uint32_t tsc_mhz; /* TSC frequency in MHz */ 44 void *new_fdt; /* Relocated FDT */ 45 uint32_t bist; /* Built-in self test value */ 46 enum pei_boot_mode_t pei_boot_mode; 47 const struct pch_gpio_map *gpio_map; /* board GPIO map */ 48 struct memory_info meminfo; /* Memory information */ 49 #ifdef CONFIG_HAVE_FSP 50 void *hob_list; /* FSP HOB list */ 51 #endif 52 }; 53 54 #endif 55 56 #include <asm-generic/global_data.h> 57 58 #ifndef __ASSEMBLY__ 59 static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void) 60 { 61 gd_t *gd_ptr; 62 63 asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 64 65 return gd_ptr; 66 } 67 68 #define gd get_fs_gd_ptr() 69 70 #endif 71 72 /* 73 * Our private Global Data Flags 74 */ 75 #define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ 76 #define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ 77 78 #define DECLARE_GLOBAL_DATA_PTR 79 80 #endif /* __ASM_GBL_DATA_H */ 81