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 2065dd74a6SSimon Glass struct memory_area { 2165dd74a6SSimon Glass uint64_t start; 2265dd74a6SSimon Glass uint64_t size; 2365dd74a6SSimon Glass }; 2465dd74a6SSimon Glass 2565dd74a6SSimon Glass struct memory_info { 2665dd74a6SSimon Glass int num_areas; 2765dd74a6SSimon Glass uint64_t total_memory; 2865dd74a6SSimon Glass uint64_t total_32bit_memory; 2965dd74a6SSimon Glass struct memory_area area[CONFIG_NR_DRAM_BANKS]; 3065dd74a6SSimon Glass }; 3165dd74a6SSimon Glass 32aff2523fSSimon Glass #define MAX_MTRR_REQUESTS 8 33aff2523fSSimon Glass 34aff2523fSSimon Glass /** 35aff2523fSSimon Glass * A request for a memory region to be set up in a particular way. These 36aff2523fSSimon Glass * requests are processed before board_init_r() is called. They are generally 37aff2523fSSimon Glass * optional and can be ignored with some performance impact. 38aff2523fSSimon Glass */ 39aff2523fSSimon Glass struct mtrr_request { 40aff2523fSSimon Glass int type; /* MTRR_TYPE_... */ 41aff2523fSSimon Glass uint64_t start; 42aff2523fSSimon Glass uint64_t size; 43aff2523fSSimon Glass }; 44aff2523fSSimon Glass 455cb48582SSimon Glass /* Architecture-specific global data */ 465cb48582SSimon Glass struct arch_global_data { 475a35e6c4SSimon Glass struct global_data *gd_addr; /* Location of Global Data */ 4852f952bfSBin Meng uint8_t x86; /* CPU family */ 4952f952bfSBin Meng uint8_t x86_vendor; /* CPU vendor */ 5052f952bfSBin Meng uint8_t x86_model; 5152f952bfSBin Meng uint8_t x86_mask; 5252f952bfSBin Meng uint32_t x86_device; 53bc2df1afSSimon Glass uint64_t tsc_base; /* Initial value returned by rdtsc() */ 54bc2df1afSSimon Glass uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */ 55bc2df1afSSimon Glass uint32_t tsc_prev; /* For show_boot_progress() */ 56258b1357SBin Meng uint32_t tsc_mhz; /* TSC frequency in MHz */ 57f697d528SSimon Glass void *new_fdt; /* Relocated FDT */ 58f67cd51eSSimon Glass uint32_t bist; /* Built-in self test value */ 598e0df066SSimon Glass enum pei_boot_mode_t pei_boot_mode; 601b4f25ffSSimon Glass const struct pch_gpio_map *gpio_map; /* board GPIO map */ 6165dd74a6SSimon Glass struct memory_info meminfo; /* Memory information */ 62bceb9f0fSBin Meng #ifdef CONFIG_HAVE_FSP 63bceb9f0fSBin Meng void *hob_list; /* FSP HOB list */ 64bceb9f0fSBin Meng #endif 65aff2523fSSimon Glass struct mtrr_request mtrr_req[MAX_MTRR_REQUESTS]; 66aff2523fSSimon Glass int mtrr_req_count; 6749491669SBin Meng int has_mtrr; 68191c008aSSimon Glass /* MRC training data to save for the next boot */ 69191c008aSSimon Glass char *mrc_output; 70191c008aSSimon Glass unsigned int mrc_output_len; 7152845296SSimon Glass void *gdt; /* Global descriptor table */ 725cb48582SSimon Glass }; 735cb48582SSimon Glass 749558b48aSGraeme Russ #endif 75fea25720SGraeme Russ 7643cff66eSSimon Glass #include <asm-generic/global_data.h> 7743cff66eSSimon Glass 7843cff66eSSimon Glass #ifndef __ASSEMBLY__ 79d8819f94SSimon Glass static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void) 809e6c572fSGraeme Russ { 819e6c572fSGraeme Russ gd_t *gd_ptr; 829e6c572fSGraeme Russ 839e6c572fSGraeme Russ asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr)); 849e6c572fSGraeme Russ 859e6c572fSGraeme Russ return gd_ptr; 869e6c572fSGraeme Russ } 879e6c572fSGraeme Russ 889e6c572fSGraeme Russ #define gd get_fs_gd_ptr() 89fea25720SGraeme Russ 90*83ec7de3SSimon Glass #define DECLARE_GLOBAL_DATA_PTR 91*83ec7de3SSimon Glass 92fea25720SGraeme Russ #endif 93fea25720SGraeme Russ 9491d82a29SGabe Black /* 9591d82a29SGabe Black * Our private Global Data Flags 9691d82a29SGabe Black */ 97*83ec7de3SSimon Glass #define GD_FLG_COLD_BOOT 0x10000 /* Cold Boot */ 98*83ec7de3SSimon Glass #define GD_FLG_WARM_BOOT 0x20000 /* Warm Boot */ 99fea25720SGraeme Russ 100fea25720SGraeme Russ #endif /* __ASM_GBL_DATA_H */ 101