| /* |
| * (C) Copyright 2002 |
| * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. |
| * |
| * 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_ */ |