LXR uboot/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
  11extern char gdt_rom[];
  12
  13/* cpu/.../cpu.c */
  14int arch_cpu_init(void);
  15int x86_cpu_init_f(void);
  16int cpu_init_f(void);
  17void setup_gdt(gd_t *id, u64 *gdt_addr);
  18/*
  19 * Setup FSP execution environment GDT to use the one we used in
  20 * arch/x86/cpu/start16.S and reload the segment registers.
  21 */
  22void setup_fsp_gdt(void);
  23int init_cache(void);
  24int cleanup_before_linux(void);
  25
  26/* cpu/.../timer.c */
  27void timer_isr(void *);
  28typedef void (timer_fnc_t) (void);
  29int register_timer_isr (timer_fnc_t *isr_func);
  30unsigned long get_tbclk_mhz(void);
  31void timer_set_base(uint64_t base);
  32int i8254_init(void);
  33
  34/* cpu/.../interrupts.c */
  35int cpu_init_interrupts(void);
  36
  37int cleanup_before_linux(void);
  38int x86_cleanup_before_linux(void);
  39void x86_enable_caches(void);
  40void x86_disable_caches(void);
  41int x86_init_cache(void);
  42void reset_cpu(ulong addr);
  43ulong board_get_usable_ram_top(ulong total_size);
  44void dram_init_banksize(void);
  45int default_print_cpuinfo(void);
  46
  47/* Set up a UART which can be used with printch(), printhex8(), etc. */
  48int setup_internal_uart(int enable);
  49
  50void setup_pcat_compatibility(void);
  51
  52void isa_unmap_rom(u32 addr);
  53u32 isa_map_rom(u32 bus_addr, int size);
  54
  55/* arch/x86/lib/... */
  56int video_bios_init(void);
  57
  58/* arch/x86/lib/fsp/... */
  59int x86_fsp_init(void);
  60
  61void    board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
  62void    board_init_f_r(void) __attribute__ ((noreturn));
  63
  64int arch_misc_init(void);
  65
  66/* Read the time stamp counter */
  67static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void)
  68{
  69        uint32_t high, low;
  70        __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high));
  71        return (((uint64_t)high) << 32) | low;
  72}
  73
  74/* board/... */
  75void timer_set_tsc_base(uint64_t new_base);
  76uint64_t timer_get_tsc(void);
  77void board_quiesce_devices(void);
  78
  79void quick_ram_check(void);
  80
  81#define PCI_VGA_RAM_IMAGE_START         0xc0000
  82
  83#endif  /* _U_BOOT_I386_H_ */
  84