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wdenk2262cfe2002-11-18 00:14:45 +00001/*
2 * (C) Copyright 2002
Albert ARIBAUDfa82f872011-08-04 18:45:45 +02003 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
wdenk2262cfe2002-11-18 00:14:45 +00004 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenk2262cfe2002-11-18 00:14:45 +00006 */
7
wdenk3bac3512003-03-12 10:41:04 +00008#ifndef _U_BOOT_I386_H_
9#define _U_BOOT_I386_H_ 1
wdenk2262cfe2002-11-18 00:14:45 +000010
wdenk2262cfe2002-11-18 00:14:45 +000011/* cpu/.../cpu.c */
Simon Glass8b37c762014-11-06 13:20:06 -070012int arch_cpu_init(void);
Graeme Russ0ea76e92011-02-12 15:11:35 +110013int x86_cpu_init_f(void);
Graeme Russ1c409bc2009-11-24 20:04:21 +110014int cpu_init_f(void);
Graeme Russ9e6c5722011-12-31 22:58:15 +110015void init_gd(gd_t *id, u64 *gdt_addr);
16void setup_gdt(gd_t *id, u64 *gdt_addr);
Graeme Russd6532442011-12-27 22:46:43 +110017int init_cache(void);
Gabe Blackf30fc4d2012-10-20 12:33:10 +000018int cleanup_before_linux(void);
Simon Glassc78a62a2013-04-17 16:13:34 +000019void panic_puts(const char *str);
Graeme Russ8c63d472009-02-24 21:14:45 +110020
21/* cpu/.../timer.c */
22void timer_isr(void *);
23typedef void (timer_fnc_t) (void);
24int register_timer_isr (timer_fnc_t *isr_func);
Simon Glasse761ecd2013-04-17 16:13:36 +000025unsigned long get_tbclk_mhz(void);
26void timer_set_base(uint64_t base);
Simon Glassd0b6f242013-04-17 16:13:39 +000027int pcat_timer_init(void);
Graeme Russ8c63d472009-02-24 21:14:45 +110028
Simon Glass07387d12014-11-06 13:20:05 -070029/* Architecture specific DRAM init */
30int dram_init(void);
wdenk2262cfe2002-11-18 00:14:45 +000031
Graeme Russabf0cd32009-02-24 21:13:40 +110032/* cpu/.../interrupts.c */
33int cpu_init_interrupts(void);
34
wdenk2262cfe2002-11-18 00:14:45 +000035/* board/.../... */
wdenk7a8e9bed2003-05-31 18:35:21 +000036int dram_init(void);
37
Simon Glasse1ffd812014-11-06 13:20:08 -070038int cleanup_before_linux(void);
39int x86_cleanup_before_linux(void);
40void x86_enable_caches(void);
41void x86_disable_caches(void);
42int x86_init_cache(void);
43void reset_cpu(ulong addr);
44ulong board_get_usable_ram_top(ulong total_size);
45void dram_init_banksize(void);
Simon Glass727c1a92014-11-10 18:00:26 -070046int default_print_cpuinfo(void);
Simon Glasse1ffd812014-11-06 13:20:08 -070047
Graeme Russ79ea6b82010-04-24 00:05:48 +100048void setup_pcat_compatibility(void);
49
wdenk7a8e9bed2003-05-31 18:35:21 +000050void isa_unmap_rom(u32 addr);
51u32 isa_map_rom(u32 bus_addr, int size);
52
Graeme Russfea25722011-04-13 19:43:28 +100053/* arch/x86/lib/... */
wdenk7a8e9bed2003-05-31 18:35:21 +000054int video_bios_init(void);
wdenk2262cfe2002-11-18 00:14:45 +000055
Graeme Russf48dd6f2012-01-01 15:06:39 +110056void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
57void board_init_f_r(void) __attribute__ ((noreturn));
wdenk2262cfe2002-11-18 00:14:45 +000058
Vadim Bendebury2f899e02012-10-23 18:04:32 +000059/* Read the time stamp counter */
Simon Glassd8819f92013-06-11 11:14:52 -070060static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
Vadim Bendebury2f899e02012-10-23 18:04:32 +000061{
62 uint32_t high, low;
63 __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
64 return (((uint64_t)high) << 32) | low;
65}
66
67/* board/... */
68void timer_set_tsc_base(uint64_t new_base);
69uint64_t timer_get_tsc(void);
70
Simon Glass65dd74a2014-11-12 22:42:28 -070071void quick_ram_check(void);
72
wdenk3bac3512003-03-12 10:41:04 +000073#endif /* _U_BOOT_I386_H_ */