blob: c743efd60b907821d52ece8dbc144f8ff5df1103 [file] [log] [blame]
* (C) Copyright 2002
* Daniel Engström, Omicron Ceti AB,
* SPDX-License-Identifier: GPL-2.0+
#ifndef _U_BOOT_I386_H_
#define _U_BOOT_I386_H_ 1
/* cpu/.../cpu.c */
int arch_cpu_init(void);
int x86_cpu_init_f(void);
int cpu_init_f(void);
void init_gd(gd_t *id, u64 *gdt_addr);
void setup_gdt(gd_t *id, u64 *gdt_addr);
int init_cache(void);
int cleanup_before_linux(void);
void panic_puts(const char *str);
/* cpu/.../timer.c */
void timer_isr(void *);
typedef void (timer_fnc_t) (void);
int register_timer_isr (timer_fnc_t *isr_func);
unsigned long get_tbclk_mhz(void);
void timer_set_base(uint64_t base);
int pcat_timer_init(void);
/* cpu/.../interrupts.c */
int cpu_init_interrupts(void);
int cleanup_before_linux(void);
int x86_cleanup_before_linux(void);
void x86_enable_caches(void);
void x86_disable_caches(void);
int x86_init_cache(void);
void reset_cpu(ulong addr);
ulong board_get_usable_ram_top(ulong total_size);
void dram_init_banksize(void);
int default_print_cpuinfo(void);
/* Set up a UART which can be used with printch(), printhex8(), etc. */
int setup_early_uart(void);
void setup_pcat_compatibility(void);
void isa_unmap_rom(u32 addr);
u32 isa_map_rom(u32 bus_addr, int size);
/* arch/x86/lib/... */
int video_bios_init(void);
void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
void board_init_f_r(void) __attribute__ ((noreturn));
/* Read the time stamp counter */
static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
uint32_t high, low;
__asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
return (((uint64_t)high) << 32) | low;
/* board/... */
void timer_set_tsc_base(uint64_t new_base);
uint64_t timer_get_tsc(void);
void quick_ram_check(void);
#define PCI_VGA_RAM_IMAGE_START 0xc0000
#endif /* _U_BOOT_I386_H_ */