X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fu-boot-x86.h;h=2340ef83323d11a8fd4f7b6dab159acb10078915;hb=329da4850c61994b83c025da68e1966a1259fd00;hp=9e525dd7820b7f4ef7e77d25cdfafad83d784df3;hpb=3be2bdf5dc69b3142c1162a59bc67191c9077567;p=u-boot diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h index 9e525dd782..2340ef8332 100644 --- a/arch/x86/include/asm/u-boot-x86.h +++ b/arch/x86/include/asm/u-boot-x86.h @@ -1,23 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * (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 +struct global_data; + +extern char gdt_rom[]; + /* cpu/.../cpu.c */ -int x86_cpu_init_r(void); -int cpu_init_r(void); +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); +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); -void panic_puts(const char *str); /* cpu/.../timer.c */ void timer_isr(void *); @@ -25,16 +30,22 @@ 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); - -/* Architecture specific - can be in arch/x86/cpu/, arch/x86/lib/, or $(BOARD)/ */ -int dram_init_f(void); +int i8254_init(void); /* cpu/.../interrupts.c */ int cpu_init_interrupts(void); -/* board/.../... */ -int dram_init(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); +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); @@ -44,9 +55,24 @@ 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) { @@ -59,4 +85,8 @@ static inline __attribute__((no_instrument_function)) uint64_t rdtsc(void) 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_ */