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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
- */
- #ifndef _U_BOOT_I386_H_
- #define _U_BOOT_I386_H_ 1
- struct global_data;
- extern char gdt_rom[];
- /* cpu/.../cpu.c */
- int arch_cpu_init(void);
- int x86_cpu_init_f(void);
- int cpu_init_f(void);
- void setup_gdt(struct global_data *id, u64 *gdt_addr);
- /*
- * Setup FSP execution environment GDT to use the one we used in
- * arch/x86/cpu/start16.S and reload the segment registers.
- */
- void setup_fsp_gdt(void);
- int init_cache(void);
- int cleanup_before_linux(void);
- /* 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 i8254_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);
- ulong board_get_usable_ram_top(ulong total_size);
- int default_print_cpuinfo(void);
- /* Set up a UART which can be used with printch(), printhex8(), etc. */
- int setup_internal_uart(int enable);
- 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);
- /* arch/x86/lib/fsp/... */
- /**
- * fsp_save_s3_stack() - save stack address to CMOS for next S3 boot
- *
- * At the end of pre-relocation phase, save the new stack address
- * to CMOS and use it as the stack on next S3 boot for fsp_init()
- * continuation function.
- *
- * @return: 0 if OK, -ve on error
- */
- int fsp_save_s3_stack(void);
- void board_init_f_r_trampoline(ulong) __attribute__ ((noreturn));
- void board_init_f_r(void) __attribute__ ((noreturn));
- int arch_misc_init(void);
- /* 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_ */
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