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 /* Architecture-specific global data */ 21 struct arch_global_data { 22 struct global_data *gd_addr; /* Location of Global Data */ 23 uint8_t x86; /* CPU family */ 24 uint8_t x86_vendor; /* CPU vendor */ 25 uint8_t x86_model; 26 uint8_t x86_mask; 27 uint32_t x86_device; 28 uint64_t tsc_base; /* Initial value returned by rdtsc() */ 29 uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 30 uint32_t tsc_prev; /* For show_boot_progress() */ 31 uint32_t tsc_mhz; /* TSC frequency in MHz */ 32 void *new_fdt; /* Relocated FDT */ 33 uint32_t bist; /* Built-in self test value */ 34 struct pci_controller *hose; /* PCI hose for early use */ 35 enum pei_boot_mode_t pei_boot_mode; 36 }; 37 38 #endif 39 40 #include <asm-generic/global_data.h> 41 42 #ifndef __ASSEMBLY__ 43 static inline __attribute__((no_instrument_function)) 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