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wdenk591dda52002-11-18 00:14:45 +00001/*
2 * (C) Copyright 2002
Albert ARIBAUD60fbc8d2011-08-04 18:45:45 +02003 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
wdenk591dda52002-11-18 00:14:45 +00004 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
wdenkef5fe752003-03-12 10:41:04 +000024#ifndef _U_BOOT_I386_H_
25#define _U_BOOT_I386_H_ 1
wdenk591dda52002-11-18 00:14:45 +000026
Graeme Russ883c6032011-11-08 02:33:15 +000027/* Exports from the Linker Script */
28extern ulong __text_start;
29extern ulong __data_end;
30extern ulong __rel_dyn_start;
31extern ulong __rel_dyn_end;
32extern ulong __bss_start;
33extern ulong __bss_end;
34
wdenk591dda52002-11-18 00:14:45 +000035/* cpu/.../cpu.c */
Graeme Russ121931c2011-02-12 15:11:35 +110036int x86_cpu_init_r(void);
Graeme Russ078395c2009-11-24 20:04:21 +110037int cpu_init_r(void);
Graeme Russ121931c2011-02-12 15:11:35 +110038int x86_cpu_init_f(void);
Graeme Russ078395c2009-11-24 20:04:21 +110039int cpu_init_f(void);
Graeme Russ35368962011-12-31 22:58:15 +110040void init_gd(gd_t *id, u64 *gdt_addr);
41void setup_gdt(gd_t *id, u64 *gdt_addr);
Graeme Russ6e256002011-12-27 22:46:43 +110042int init_cache(void);
Gabe Black846d08e2012-10-20 12:33:10 +000043int cleanup_before_linux(void);
Graeme Russ7679d1f2009-02-24 21:14:45 +110044
45/* cpu/.../timer.c */
46void timer_isr(void *);
47typedef void (timer_fnc_t) (void);
48int register_timer_isr (timer_fnc_t *isr_func);
49
Graeme Russcbfce1d2011-04-13 19:43:28 +100050/* Architecture specific - can be in arch/x86/cpu/, arch/x86/lib/, or $(BOARD)/ */
Graeme Russ344f7452011-02-12 15:11:59 +110051int dram_init_f(void);
wdenk591dda52002-11-18 00:14:45 +000052
Graeme Russ77290ee2009-02-24 21:13:40 +110053/* cpu/.../interrupts.c */
54int cpu_init_interrupts(void);
55
wdenk591dda52002-11-18 00:14:45 +000056/* board/.../... */
wdenkabda5ca2003-05-31 18:35:21 +000057int dram_init(void);
58
Graeme Russa8d06b42010-04-24 00:05:48 +100059void setup_pcat_compatibility(void);
60
wdenkabda5ca2003-05-31 18:35:21 +000061void isa_unmap_rom(u32 addr);
62u32 isa_map_rom(u32 bus_addr, int size);
63
Graeme Russcbfce1d2011-04-13 19:43:28 +100064/* arch/x86/lib/... */
wdenkabda5ca2003-05-31 18:35:21 +000065int video_bios_init(void);
wdenk591dda52002-11-18 00:14:45 +000066
Graeme Russd7755b42012-01-01 15:06:39 +110067void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
68void board_init_f_r(void) __attribute__ ((noreturn));
wdenk591dda52002-11-18 00:14:45 +000069
Vadim Bendebury1d82bac2012-10-23 18:04:32 +000070/* Read the time stamp counter */
71static inline uint64_t rdtsc(void)
72{
73 uint32_t high, low;
74 __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
75 return (((uint64_t)high) << 32) | low;
76}
77
78/* board/... */
79void timer_set_tsc_base(uint64_t new_base);
80uint64_t timer_get_tsc(void);
81
wdenkef5fe752003-03-12 10:41:04 +000082#endif /* _U_BOOT_I386_H_ */