1 /* 2 * (C) Copyright 2002 3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef _U_BOOT_I386_H_ 9 #define _U_BOOT_I386_H_ 1 10 11 /* cpu/.../cpu.c */ 12 int arch_cpu_init(void); 13 int x86_cpu_init_r(void); 14 int cpu_init_r(void); 15 int x86_cpu_init_f(void); 16 int cpu_init_f(void); 17 void init_gd(gd_t *id, u64 *gdt_addr); 18 void setup_gdt(gd_t *id, u64 *gdt_addr); 19 int init_cache(void); 20 int cleanup_before_linux(void); 21 void panic_puts(const char *str); 22 23 /* cpu/.../timer.c */ 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); 30 31 /* Architecture specific DRAM init */ 32 int dram_init(void); 33 34 /* cpu/.../interrupts.c */ 35 int cpu_init_interrupts(void); 36 37 /* board/.../... */ 38 int dram_init(void); 39 40 void setup_pcat_compatibility(void); 41 42 void isa_unmap_rom(u32 addr); 43 u32 isa_map_rom(u32 bus_addr, int size); 44 45 /* arch/x86/lib/... */ 46 int video_bios_init(void); 47 48 void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn)); 49 void board_init_f_r(void) __attribute__ ((noreturn)); 50 51 /* Read the time stamp counter */ 52 static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void) 53 { 54 uint32_t high, low; 55 __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)); 56 return (((uint64_t)high) << 32) | low; 57 } 58 59 /* board/... */ 60 void timer_set_tsc_base(uint64_t new_base); 61 uint64_t timer_get_tsc(void); 62 63 #endif /* _U_BOOT_I386_H_ */ 64