mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-26 13:44:29 +08:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value. find . -name '*.c' -exec \ sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \; find . -name '*.h' -exec \ sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \; Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
/* 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);
|
|
|
|
/**
|
|
* x86_cpu_init_f() - Set up basic features of the x86 CPU
|
|
*
|
|
* 0 on success, -ve on error
|
|
*/
|
|
int x86_cpu_init_f(void);
|
|
|
|
/**
|
|
* x86_cpu_reinit_f() - Set up the CPU a second time
|
|
*
|
|
* Once cpu_init_f() has been called (e.g. in SPL) we should not call it
|
|
* again (e.g. in U-Boot proper) since it sets up the state from scratch.
|
|
* Call this function in later phases of U-Boot instead. It reads the CPU
|
|
* identify so that CPU functions can be used correctly, but does not change
|
|
* anything.
|
|
*
|
|
* Return: 0 (indicating success, to mimic cpu_init_f())
|
|
*/
|
|
int x86_cpu_reinit_f(void);
|
|
|
|
/**
|
|
* x86_cpu_init_tpl() - Do the minimum possible CPU init
|
|
*
|
|
* This just sets up the CPU features and figured out the identity
|
|
*
|
|
* Return: 0 (indicating success, to mimic cpu_init_f())
|
|
*/
|
|
int x86_cpu_init_tpl(void);
|
|
|
|
/**
|
|
* cpu_reinit_fpu() - Reinit the FPU if something is wrong with it
|
|
*
|
|
* The FSP-M code can leave registers in use in the FPU. This functions reinits
|
|
* it so that the FPU can be used safely
|
|
*/
|
|
void cpu_reinit_fpu(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 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/fsp1,2/... */
|
|
|
|
/**
|
|
* 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_ */
|