mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 17:58:23 +00:00
ec1fa18561
This file has quite a lot of general definitions and include files. Add a note about our intent to remove more of this. The file should ultimately include the configuration and perhaps a very other very common things used by most U-Boot files. Signed-off-by: Simon Glass <sjg@chromium.org>
404 lines
10 KiB
C
404 lines
10 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Common header file for U-Boot
|
|
*
|
|
* This file still includes quite a bit of stuff that should be in separate
|
|
* headers like command.h, cpu.h and timer.h. Please think before adding more
|
|
* things. Patches to remove things are welcome.
|
|
*
|
|
* (C) Copyright 2000-2009
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
|
|
#ifndef __COMMON_H_
|
|
#define __COMMON_H_ 1
|
|
|
|
#ifndef __ASSEMBLY__ /* put C only stuff in this section */
|
|
|
|
typedef unsigned char uchar;
|
|
typedef volatile unsigned long vu_long;
|
|
typedef volatile unsigned short vu_short;
|
|
typedef volatile unsigned char vu_char;
|
|
|
|
#include <config.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <asm-offsets.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/bug.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/types.h>
|
|
#include <linux/printk.h>
|
|
#include <linux/string.h>
|
|
#include <linux/stringify.h>
|
|
#include <asm/ptrace.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <linux/kernel.h>
|
|
|
|
#include <part.h>
|
|
#include <flash.h>
|
|
#include <image.h>
|
|
|
|
#ifdef __LP64__
|
|
#define CONFIG_SYS_SUPPORT_64BIT_DATA
|
|
#endif
|
|
|
|
#include <log.h>
|
|
|
|
typedef void (interrupt_handler_t)(void *);
|
|
|
|
#include <asm/u-boot.h> /* boot information for Linux kernel */
|
|
#include <asm/global_data.h> /* global data used for startup functions */
|
|
|
|
/* startup functions, used in:
|
|
* common/board_f.c
|
|
* common/init/board_init.c
|
|
* common/board_r.c
|
|
* common/board_info.c
|
|
*/
|
|
#include <init.h>
|
|
|
|
/*
|
|
* Function Prototypes
|
|
*/
|
|
void hang (void) __attribute__ ((noreturn));
|
|
|
|
int cpu_init(void);
|
|
|
|
#include <display_options.h>
|
|
|
|
/* common/main.c */
|
|
void main_loop (void);
|
|
int run_command(const char *cmd, int flag);
|
|
int run_command_repeatable(const char *cmd, int flag);
|
|
|
|
/**
|
|
* Run a list of commands separated by ; or even \0
|
|
*
|
|
* Note that if 'len' is not -1, then the command does not need to be nul
|
|
* terminated, Memory will be allocated for the command in that case.
|
|
*
|
|
* @param cmd List of commands to run, each separated bu semicolon
|
|
* @param len Length of commands excluding terminator if known (-1 if not)
|
|
* @param flag Execution flags (CMD_FLAG_...)
|
|
* @return 0 on success, or != 0 on error.
|
|
*/
|
|
int run_command_list(const char *cmd, int len, int flag);
|
|
|
|
int checkflash(void);
|
|
int checkdram(void);
|
|
extern u8 __dtb_dt_begin[]; /* embedded device tree blob */
|
|
extern u8 __dtb_dt_spl_begin[]; /* embedded device tree blob for SPL/TPL */
|
|
int mdm_init(void);
|
|
|
|
/**
|
|
* Show the DRAM size in a board-specific way
|
|
*
|
|
* This is used by boards to display DRAM information in their own way.
|
|
*
|
|
* @param size Size of DRAM (which should be displayed along with other info)
|
|
*/
|
|
void board_show_dram(phys_size_t size);
|
|
|
|
/**
|
|
* Get the uppermost pointer that is valid to access
|
|
*
|
|
* Some systems may not map all of their address space. This function allows
|
|
* boards to indicate what their highest support pointer value is for DRAM
|
|
* access.
|
|
*
|
|
* @param total_size Size of U-Boot (unused?)
|
|
*/
|
|
ulong board_get_usable_ram_top(ulong total_size);
|
|
|
|
/**
|
|
* arch_fixup_fdt() - Write arch-specific information to fdt
|
|
*
|
|
* Defined in arch/$(ARCH)/lib/bootm-fdt.c
|
|
*
|
|
* @blob: FDT blob to write to
|
|
* @return 0 if ok, or -ve FDT_ERR_... on failure
|
|
*/
|
|
int arch_fixup_fdt(void *blob);
|
|
|
|
/* common/flash.c */
|
|
void flash_perror (int);
|
|
|
|
/* common/cmd_source.c */
|
|
int source (ulong addr, const char *fit_uname);
|
|
|
|
extern ulong load_addr; /* Default Load Address */
|
|
extern ulong save_addr; /* Default Save Address */
|
|
extern ulong save_size; /* Default Save Size */
|
|
|
|
/* common/cmd_net.c */
|
|
int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
|
|
|
|
/* common/cmd_fat.c */
|
|
int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
|
|
|
|
/* common/cmd_ext2.c */
|
|
int do_ext2load(cmd_tbl_t *, int, int, char * const []);
|
|
|
|
void pci_init_board(void);
|
|
|
|
/* common/exports.c */
|
|
void jumptable_init(void);
|
|
|
|
/* common/kallsysm.c */
|
|
const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
|
|
|
|
/* common/memsize.c */
|
|
long get_ram_size (long *, long);
|
|
phys_size_t get_effective_memsize(void);
|
|
|
|
/* $(BOARD)/$(BOARD).c */
|
|
void reset_phy (void);
|
|
void fdc_hw_init (void);
|
|
|
|
/* $(BOARD)/eeprom.c */
|
|
#ifdef CONFIG_CMD_EEPROM
|
|
void eeprom_init (int bus);
|
|
int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
|
|
int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
|
|
#else
|
|
/*
|
|
* Some EEPROM code is depecated because it used the legacy I2C interface. Add
|
|
* some macros here so we don't have to touch every one of those uses
|
|
*/
|
|
#define eeprom_init(bus)
|
|
#define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
|
|
#define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
|
|
#endif
|
|
|
|
#if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
|
|
# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
|
|
#endif
|
|
|
|
/* $(BOARD)/$(BOARD).c */
|
|
int board_early_init_f (void);
|
|
int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
|
|
int board_late_init (void);
|
|
int board_postclk_init (void); /* after clocks/timebase, before env/serial */
|
|
int board_early_init_r (void);
|
|
|
|
#if defined(CONFIG_SYS_DRAM_TEST)
|
|
int testdram(void);
|
|
#endif /* CONFIG_SYS_DRAM_TEST */
|
|
|
|
/* $(CPU)/start.S */
|
|
int icache_status (void);
|
|
void icache_enable (void);
|
|
void icache_disable(void);
|
|
int dcache_status (void);
|
|
void dcache_enable (void);
|
|
void dcache_disable(void);
|
|
void mmu_disable(void);
|
|
#if defined(CONFIG_ARM)
|
|
void relocate_code(ulong);
|
|
#else
|
|
void relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
|
|
#endif
|
|
ulong get_endaddr (void);
|
|
void trap_init (ulong);
|
|
|
|
/* $(CPU)/cpu.c */
|
|
static inline int cpumask_next(int cpu, unsigned int mask)
|
|
{
|
|
for (cpu++; !((1 << cpu) & mask); cpu++)
|
|
;
|
|
|
|
return cpu;
|
|
}
|
|
|
|
#define for_each_cpu(iter, cpu, num_cpus, mask) \
|
|
for (iter = 0, cpu = cpumask_next(-1, mask); \
|
|
iter < num_cpus; \
|
|
iter++, cpu = cpumask_next(cpu, mask)) \
|
|
|
|
int cpu_numcores (void);
|
|
int cpu_num_dspcores(void);
|
|
u32 cpu_mask (void);
|
|
u32 cpu_dsp_mask(void);
|
|
int is_core_valid (unsigned int);
|
|
|
|
void s_init(void);
|
|
|
|
int checkcpu (void);
|
|
int checkicache (void);
|
|
int checkdcache (void);
|
|
void upmconfig (unsigned int, unsigned int *, unsigned int);
|
|
ulong get_tbclk (void);
|
|
void reset_misc (void);
|
|
void reset_cpu (ulong addr);
|
|
void ft_cpu_setup(void *blob, bd_t *bd);
|
|
void ft_pci_setup(void *blob, bd_t *bd);
|
|
|
|
void smp_set_core_boot_addr(unsigned long addr, int corenr);
|
|
void smp_kick_all_cpus(void);
|
|
|
|
/* $(CPU)/serial.c */
|
|
int serial_init (void);
|
|
void serial_setbrg (void);
|
|
void serial_putc (const char);
|
|
void serial_putc_raw(const char);
|
|
void serial_puts (const char *);
|
|
int serial_getc (void);
|
|
int serial_tstc (void);
|
|
|
|
/* $(CPU)/speed.c */
|
|
int get_clocks (void);
|
|
ulong get_bus_freq (ulong);
|
|
int get_serial_clock(void);
|
|
|
|
/* $(CPU)/interrupts.c */
|
|
int interrupt_init (void);
|
|
void timer_interrupt (struct pt_regs *);
|
|
void external_interrupt (struct pt_regs *);
|
|
void irq_install_handler(int, interrupt_handler_t *, void *);
|
|
void irq_free_handler (int);
|
|
void reset_timer (void);
|
|
|
|
/* Return value of monotonic microsecond timer */
|
|
unsigned long timer_get_us(void);
|
|
|
|
void enable_interrupts (void);
|
|
int disable_interrupts (void);
|
|
|
|
/* $(CPU)/.../commproc.c */
|
|
void bootcount_store (ulong);
|
|
ulong bootcount_load (void);
|
|
|
|
/* $(CPU)/.../<eth> */
|
|
void mii_init (void);
|
|
|
|
/* arch/$(ARCH)/lib/cache.c */
|
|
void enable_caches(void);
|
|
void flush_cache (unsigned long, unsigned long);
|
|
void flush_dcache_all(void);
|
|
void flush_dcache_range(unsigned long start, unsigned long stop);
|
|
void invalidate_dcache_range(unsigned long start, unsigned long stop);
|
|
void invalidate_dcache_all(void);
|
|
void invalidate_icache_all(void);
|
|
|
|
enum {
|
|
/* Disable caches (else flush caches but leave them active) */
|
|
CBL_DISABLE_CACHES = 1 << 0,
|
|
CBL_SHOW_BOOTSTAGE_REPORT = 1 << 1,
|
|
|
|
CBL_ALL = 3,
|
|
};
|
|
|
|
/**
|
|
* Clean up ready for linux
|
|
*
|
|
* @param flags Flags to control what is done
|
|
*/
|
|
int cleanup_before_linux_select(int flags);
|
|
|
|
/* arch/$(ARCH)/lib/ticks.S */
|
|
uint64_t get_ticks(void);
|
|
void wait_ticks (unsigned long);
|
|
|
|
/* arch/$(ARCH)/lib/time.c */
|
|
ulong usec2ticks (unsigned long usec);
|
|
ulong ticks2usec (unsigned long ticks);
|
|
|
|
/* lib/lz4_wrapper.c */
|
|
int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
|
|
|
|
/* lib/qsort.c */
|
|
void qsort(void *base, size_t nmemb, size_t size,
|
|
int(*compar)(const void *, const void *));
|
|
int strcmp_compar(const void *, const void *);
|
|
|
|
/* lib/uuid.c */
|
|
#include <uuid.h>
|
|
|
|
/* lib/vsprintf.c */
|
|
#include <vsprintf.h>
|
|
|
|
/* lib/strmhz.c */
|
|
char * strmhz(char *buf, unsigned long hz);
|
|
|
|
/* lib/crc32.c */
|
|
#include <u-boot/crc.h>
|
|
|
|
/* lib/rand.c */
|
|
#define RAND_MAX -1U
|
|
void srand(unsigned int seed);
|
|
unsigned int rand(void);
|
|
unsigned int rand_r(unsigned int *seedp);
|
|
|
|
/*
|
|
* STDIO based functions (can always be used)
|
|
*/
|
|
/* serial stuff */
|
|
int serial_printf (const char *fmt, ...)
|
|
__attribute__ ((format (__printf__, 1, 2)));
|
|
|
|
/* lib/net_utils.c */
|
|
#include <net.h>
|
|
static inline struct in_addr env_get_ip(char *var)
|
|
{
|
|
return string_to_ip(env_get(var));
|
|
}
|
|
|
|
#ifdef CONFIG_LED_STATUS
|
|
# include <status_led.h>
|
|
#endif
|
|
|
|
#include <bootstage.h>
|
|
|
|
#ifdef CONFIG_SHOW_ACTIVITY
|
|
void show_activity(int arg);
|
|
#endif
|
|
|
|
/* Multicore arch functions */
|
|
#ifdef CONFIG_MP
|
|
int cpu_status(u32 nr);
|
|
int cpu_reset(u32 nr);
|
|
int cpu_disable(u32 nr);
|
|
int cpu_release(u32 nr, int argc, char * const argv[]);
|
|
#endif
|
|
|
|
#else /* __ASSEMBLY__ */
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/* Put only stuff here that the assembler can digest */
|
|
|
|
#ifdef CONFIG_POST
|
|
#define CONFIG_HAS_POST
|
|
#ifndef CONFIG_POST_ALT_LIST
|
|
#define CONFIG_POST_STD_LIST
|
|
#endif
|
|
#endif
|
|
|
|
#define ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1))
|
|
|
|
/*
|
|
* check_member() - Check the offset of a structure member
|
|
*
|
|
* @structure: Name of structure (e.g. global_data)
|
|
* @member: Name of member (e.g. baudrate)
|
|
* @offset: Expected offset in bytes
|
|
*/
|
|
#define check_member(structure, member, offset) _Static_assert( \
|
|
offsetof(struct structure, member) == offset, \
|
|
"`struct " #structure "` offset for `" #member "` is not " #offset)
|
|
|
|
/* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
|
|
#ifdef CONFIG_EFI_STUB
|
|
#define ll_boot_init() false
|
|
#else
|
|
#define ll_boot_init() true
|
|
#endif
|
|
|
|
/* Pull in stuff for the build system */
|
|
#ifdef DO_DEPS_ONLY
|
|
# include <env_internal.h>
|
|
#endif
|
|
|
|
#endif /* __COMMON_H_ */
|