]>
git.ipfire.org Git - people/ms/u-boot.git/blob - arch/x86/include/asm/u-boot-x86.h
3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
5 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef _U_BOOT_I386_H_
9 #define _U_BOOT_I386_H_ 1
12 int arch_cpu_init(void);
13 int x86_cpu_init_f(void);
15 void init_gd(gd_t
*id
, u64
*gdt_addr
);
16 void setup_gdt(gd_t
*id
, u64
*gdt_addr
);
18 int cleanup_before_linux(void);
19 void panic_puts(const char *str
);
22 void timer_isr(void *);
23 typedef void (timer_fnc_t
) (void);
24 int register_timer_isr (timer_fnc_t
*isr_func
);
25 unsigned long get_tbclk_mhz(void);
26 void timer_set_base(uint64_t base
);
27 int pcat_timer_init(void);
29 /* cpu/.../interrupts.c */
30 int cpu_init_interrupts(void);
32 int cleanup_before_linux(void);
33 int x86_cleanup_before_linux(void);
34 void x86_enable_caches(void);
35 void x86_disable_caches(void);
36 int x86_init_cache(void);
37 void reset_cpu(ulong addr
);
38 ulong
board_get_usable_ram_top(ulong total_size
);
39 void dram_init_banksize(void);
40 int default_print_cpuinfo(void);
42 /* Set up a UART which can be used with printch(), printhex8(), etc. */
43 int setup_early_uart(void);
45 void setup_pcat_compatibility(void);
47 void isa_unmap_rom(u32 addr
);
48 u32
isa_map_rom(u32 bus_addr
, int size
);
50 /* arch/x86/lib/... */
51 int video_bios_init(void);
53 void board_init_f_r_trampoline(ulong
) __attribute__ ((noreturn
));
54 void board_init_f_r(void) __attribute__ ((noreturn
));
56 /* Read the time stamp counter */
57 static inline __attribute__((no_instrument_function
)) uint64_t rdtsc(void)
60 __asm__
__volatile__("rdtsc" : "=a" (low
), "=d" (high
));
61 return (((uint64_t)high
) << 32) | low
;
65 void timer_set_tsc_base(uint64_t new_base
);
66 uint64_t timer_get_tsc(void);
68 void quick_ram_check(void);
70 #define PCI_VGA_RAM_IMAGE_START 0xc0000
72 #endif /* _U_BOOT_I386_H_ */