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_r(void);
15 int x86_cpu_init_f(void);
17 void init_gd(gd_t *id, u64 *gdt_addr);
18 void setup_gdt(gd_t *id, u64 *gdt_addr);
20 int cleanup_before_linux(void);
21 void panic_puts(const char *str);
24 void timer_isr(void *);
25 typedef void (timer_fnc_t) (void);
26 int register_timer_isr (timer_fnc_t *isr_func);
27 unsigned long get_tbclk_mhz(void);
28 void timer_set_base(uint64_t base);
29 int pcat_timer_init(void);
31 /* Architecture specific DRAM init */
34 /* cpu/.../interrupts.c */
35 int cpu_init_interrupts(void);
40 void setup_pcat_compatibility(void);
42 void isa_unmap_rom(u32 addr);
43 u32 isa_map_rom(u32 bus_addr, int size);
45 /* arch/x86/lib/... */
46 int video_bios_init(void);
48 void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
49 void board_init_f_r(void) __attribute__ ((noreturn));
51 /* Read the time stamp counter */
52 static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
55 __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
56 return (((uint64_t)high) << 32) | low;
60 void timer_set_tsc_base(uint64_t new_base);
61 uint64_t timer_get_tsc(void);
63 #endif /* _U_BOOT_I386_H_ */