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 	struct pci_controller *hose;	/* PCI hose for early use */
47 	enum pei_boot_mode_t pei_boot_mode;
48 	const struct pch_gpio_map *gpio_map;	/* board GPIO map */
49 	struct memory_info meminfo;	/* Memory information */
50 };
51 
52 #endif
53 
54 #include <asm-generic/global_data.h>
55 
56 #ifndef __ASSEMBLY__
57 static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void)
58 {
59 	gd_t *gd_ptr;
60 
61 	asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));
62 
63 	return gd_ptr;
64 }
65 
66 #define gd	get_fs_gd_ptr()
67 
68 #endif
69 
70 /*
71  * Our private Global Data Flags
72  */
73 #define GD_FLG_COLD_BOOT	0x00100	/* Cold Boot */
74 #define GD_FLG_WARM_BOOT	0x00200	/* Warm Boot */
75 
76 #define DECLARE_GLOBAL_DATA_PTR
77 
78 #endif /* __ASM_GBL_DATA_H */
79