1fea25720SGraeme Russ /* 2fea25720SGraeme Russ * (C) Copyright 2002-2010 3fea25720SGraeme Russ * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4fea25720SGraeme Russ * 51a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 6fea25720SGraeme Russ */ 7fea25720SGraeme Russ 8fea25720SGraeme Russ #ifndef __ASM_GBL_DATA_H 9fea25720SGraeme Russ #define __ASM_GBL_DATA_H 105cb48582SSimon Glass 115cb48582SSimon Glass #ifndef __ASSEMBLY__ 125cb48582SSimon Glass 138e0df066SSimon Glass enum pei_boot_mode_t { 148e0df066SSimon Glass PEI_BOOT_NONE = 0, 158e0df066SSimon Glass PEI_BOOT_SOFT_RESET, 168e0df066SSimon Glass PEI_BOOT_RESUME, 178e0df066SSimon Glass 188e0df066SSimon Glass }; 198e0df066SSimon Glass 20*65dd74a6SSimon Glass struct memory_area { 21*65dd74a6SSimon Glass uint64_t start; 22*65dd74a6SSimon Glass uint64_t size; 23*65dd74a6SSimon Glass }; 24*65dd74a6SSimon Glass 25*65dd74a6SSimon Glass struct memory_info { 26*65dd74a6SSimon Glass int num_areas; 27*65dd74a6SSimon Glass uint64_t total_memory; 28*65dd74a6SSimon Glass uint64_t total_32bit_memory; 29*65dd74a6SSimon Glass struct memory_area area[CONFIG_NR_DRAM_BANKS]; 30*65dd74a6SSimon Glass }; 31*65dd74a6SSimon Glass 325cb48582SSimon Glass /* Architecture-specific global data */ 335cb48582SSimon Glass struct arch_global_data { 345a35e6c4SSimon Glass struct global_data *gd_addr; /* Location of Global Data */ 3552f952bfSBin Meng uint8_t x86; /* CPU family */ 3652f952bfSBin Meng uint8_t x86_vendor; /* CPU vendor */ 3752f952bfSBin Meng uint8_t x86_model; 3852f952bfSBin Meng uint8_t x86_mask; 3952f952bfSBin Meng uint32_t x86_device; 40bc2df1afSSimon Glass uint64_t tsc_base; /* Initial value returned by rdtsc() */ 41bc2df1afSSimon Glass uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 42bc2df1afSSimon Glass uint32_t tsc_prev; /* For show_boot_progress() */ 43258b1357SBin Meng uint32_t tsc_mhz; /* TSC frequency in MHz */ 44f697d528SSimon Glass void *new_fdt; /* Relocated FDT */ 45f67cd51eSSimon Glass uint32_t bist; /* Built-in self test value */ 467430f108SSimon Glass struct pci_controller *hose; /* PCI hose for early use */ 478e0df066SSimon Glass enum pei_boot_mode_t pei_boot_mode; 481b4f25ffSSimon Glass const struct pch_gpio_map *gpio_map; /* board GPIO map */ 49*65dd74a6SSimon Glass struct memory_info meminfo; /* Memory information */ 505cb48582SSimon Glass }; 515cb48582SSimon Glass 529558b48aSGraeme Russ #endif 53fea25720SGraeme Russ 5443cff66eSSimon Glass #include <asm-generic/global_data.h> 5543cff66eSSimon Glass 5643cff66eSSimon Glass #ifndef __ASSEMBLY__ 57d8819f94SSimon Glass static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void) 589e6c572fSGraeme Russ { 599e6c572fSGraeme Russ gd_t *gd_ptr; 609e6c572fSGraeme Russ 619e6c572fSGraeme Russ asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 629e6c572fSGraeme Russ 639e6c572fSGraeme Russ return gd_ptr; 649e6c572fSGraeme Russ } 659e6c572fSGraeme Russ 669e6c572fSGraeme Russ #define gd get_fs_gd_ptr() 67fea25720SGraeme Russ 68fea25720SGraeme Russ #endif 69fea25720SGraeme Russ 7091d82a29SGabe Black /* 7191d82a29SGabe Black * Our private Global Data Flags 7291d82a29SGabe Black */ 7391d82a29SGabe Black #define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ 7491d82a29SGabe Black #define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ 7591d82a29SGabe Black 76fea25720SGraeme Russ #define DECLARE_GLOBAL_DATA_PTR 77fea25720SGraeme Russ 78fea25720SGraeme Russ #endif /* __ASM_GBL_DATA_H */ 79