u-boot/arch/x86/include/asm/global_data.h
Bin Meng 1d4c83c248 x86: tsc: Remove legacy timer codes
Now that we have converted all x86 boards to use driver model timer,
remove these legacy timer codes in the tsc driver.

Note this also removes the TSC_CALIBRATION_BYPASS Kconfig option,
as it is not needed with driver model.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-12-01 06:26:35 -07:00

107 lines
2.3 KiB
C

/*
* (C) Copyright 2002-2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_GBL_DATA_H
#define __ASM_GBL_DATA_H
#ifndef __ASSEMBLY__
#include <asm/processor.h>
enum pei_boot_mode_t {
PEI_BOOT_NONE = 0,
PEI_BOOT_SOFT_RESET,
PEI_BOOT_RESUME,
};
struct memory_area {
uint64_t start;
uint64_t size;
};
struct memory_info {
int num_areas;
uint64_t total_memory;
uint64_t total_32bit_memory;
struct memory_area area[CONFIG_NR_DRAM_BANKS];
};
#define MAX_MTRR_REQUESTS 8
/**
* A request for a memory region to be set up in a particular way. These
* requests are processed before board_init_r() is called. They are generally
* optional and can be ignored with some performance impact.
*/
struct mtrr_request {
int type; /* MTRR_TYPE_... */
uint64_t start;
uint64_t size;
};
/* Architecture-specific global data */
struct arch_global_data {
u64 gdt[X86_GDT_NUM_ENTRIES] __aligned(16);
struct global_data *gd_addr; /* Location of Global Data */
uint8_t x86; /* CPU family */
uint8_t x86_vendor; /* CPU vendor */
uint8_t x86_model;
uint8_t x86_mask;
uint32_t x86_device;
uint64_t tsc_base; /* Initial value returned by rdtsc() */
void *new_fdt; /* Relocated FDT */
uint32_t bist; /* Built-in self test value */
enum pei_boot_mode_t pei_boot_mode;
const struct pch_gpio_map *gpio_map; /* board GPIO map */
struct memory_info meminfo; /* Memory information */
#ifdef CONFIG_HAVE_FSP
void *hob_list; /* FSP HOB list */
#endif
struct mtrr_request mtrr_req[MAX_MTRR_REQUESTS];
int mtrr_req_count;
int has_mtrr;
/* MRC training data to save for the next boot */
char *mrc_output;
unsigned int mrc_output_len;
ulong table; /* Table pointer from previous loader */
};
#endif
#include <asm-generic/global_data.h>
#ifndef __ASSEMBLY__
# ifdef CONFIG_EFI_APP
#define gd global_data_ptr
#define DECLARE_GLOBAL_DATA_PTR extern struct global_data *global_data_ptr
# else
static inline __attribute__((no_instrument_function)) gd_t *get_fs_gd_ptr(void)
{
gd_t *gd_ptr;
asm volatile("fs movl 0, %0\n" : "=r" (gd_ptr));
return gd_ptr;
}
#define gd get_fs_gd_ptr()
#define DECLARE_GLOBAL_DATA_PTR
# endif
#endif
/*
* Our private Global Data Flags
*/
#define GD_FLG_COLD_BOOT 0x10000 /* Cold Boot */
#define GD_FLG_WARM_BOOT 0x20000 /* Warm Boot */
#endif /* __ASM_GBL_DATA_H */