2 * (C) Copyright 2002-2010
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef __ASM_GBL_DATA_H
9 #define __ASM_GBL_DATA_H
13 enum pei_boot_mode_t {
27 uint64_t total_memory;
28 uint64_t total_32bit_memory;
29 struct memory_area area[CONFIG_NR_DRAM_BANKS];
32 #define MAX_MTRR_REQUESTS 8
35 * A request for a memory region to be set up in a particular way. These
36 * requests are processed before board_init_r() is called. They are generally
37 * optional and can be ignored with some performance impact.
40 int type; /* MTRR_TYPE_... */
45 /* Architecture-specific global data */
46 struct arch_global_data {
47 struct global_data *gd_addr; /* Location of Global Data */
48 uint8_t x86; /* CPU family */
49 uint8_t x86_vendor; /* CPU vendor */
53 uint64_t tsc_base; /* Initial value returned by rdtsc() */
54 uint32_t tsc_base_kclocks; /* Initial tsc as a kclocks value */
55 uint32_t tsc_prev; /* For show_boot_progress() */
56 uint32_t tsc_mhz; /* TSC frequency in MHz */
57 void *new_fdt; /* Relocated FDT */
58 uint32_t bist; /* Built-in self test value */
59 enum pei_boot_mode_t pei_boot_mode;
60 const struct pch_gpio_map *gpio_map; /* board GPIO map */
61 struct memory_info meminfo; /* Memory information */
62 #ifdef CONFIG_HAVE_FSP
63 void *hob_list; /* FSP HOB list */
65 struct mtrr_request mtrr_req[MAX_MTRR_REQUESTS];
68 /* MRC training data to save for the next boot */
70 unsigned int mrc_output_len;
71 void *gdt; /* Global descriptor table */
76 #include <asm-generic/global_data.h>
79 # ifdef CONFIG_EFI_APP
81 #define gd global_data_ptr
83 #define DECLARE_GLOBAL_DATA_PTR extern struct global_data *global_data_ptr
85 static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void)
89 asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));
94 #define gd get_fs_gd_ptr()
96 #define DECLARE_GLOBAL_DATA_PTR
102 * Our private Global Data Flags
104 #define GD_FLG_COLD_BOOT 0x10000 /* Cold Boot */
105 #define GD_FLG_WARM_BOOT 0x20000 /* Warm Boot */
107 #endif /* __ASM_GBL_DATA_H */