arch/x86/include/asm/u-boot-x86.h

   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 int cleanup_before_linux(void);
  41 int x86_cleanup_before_linux(void);
  42 void x86_enable_caches(void);
  43 void x86_disable_caches(void);
  44 int x86_init_cache(void);
  45 void reset_cpu(ulong addr);
  46 ulong board_get_usable_ram_top(ulong total_size);
  47 void dram_init_banksize(void);
  48
  49 void setup_pcat_compatibility(void);
  50
  51 void isa_unmap_rom(u32 addr);
  52 u32 isa_map_rom(u32 bus_addr, int size);
  53
  54 /* arch/x86/lib/... */
  55 int video_bios_init(void);
  56
  57 void    board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
  58 void    board_init_f_r(void) __attribute__ ((noreturn));
  59
  60 /* Read the time stamp counter */
  61 static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
  62 {
  63         uint32_t high, low;
  64         __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
  65         return (((uint64_t)high) << 32) | low;
  66 }
  67
  68 /* board/... */
  69 void timer_set_tsc_base(uint64_t new_base);
  70 uint64_t timer_get_tsc(void);
  71
  72 #endif  /* _U_BOOT_I386_H_ */