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 void setup_pcat_compatibility(void);
44 void isa_unmap_rom(u32 addr);
45 u32 isa_map_rom(u32 bus_addr, int size);
47 /* arch/x86/lib/... */
48 int video_bios_init(void);
50 void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
51 void board_init_f_r(void) __attribute__ ((noreturn));
53 /* Read the time stamp counter */
54 static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
57 __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
58 return (((uint64_t)high) << 32) | low;
62 void timer_set_tsc_base(uint64_t new_base);
63 uint64_t timer_get_tsc(void);
65 void quick_ram_check(void);
67 #define PCI_VGA_RAM_IMAGE_START 0xc0000
69 #endif /* _U_BOOT_I386_H_ */