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Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 408 |
1 files changed, 408 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h new file mode 100644 index 0000000..8b5cb2e --- /dev/null +++ b/include/common.h @@ -0,0 +1,408 @@ +/* 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 */ + +#if 0 +/* $(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); +#endif + +/* $(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); + +#if 0 +/* + * 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 +#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_ */ |