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- /* 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_ */
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