/* 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.
*/
#include <asm/u-boot.h> /* boot information for Linux kernel */
#include <asm/global_data.h> /* global data used for startup functions */
-#if defined(CONFIG_ENV_IS_EMBEDDED)
-#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
-#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
- (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
- defined(CONFIG_ENV_IS_IN_NVRAM)
-#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
-#else
-#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
-#endif
-
/* startup functions, used in:
* common/board_f.c
* common/init/board_init.c
*/
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
*
/* common/cmd_ext2.c */
int do_ext2load(cmd_tbl_t *, int, int, char * const []);
-/* common/cmd_nvedit.c */
-int env_init (void);
-void env_relocate (void);
-int envmatch (uchar *, int);
-
-/**
- * env_get() - Look up the value of an environment variable
- *
- * In U-Boot proper this can be called before relocation (which is when the
- * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that
- * case this function calls env_get_f().
- *
- * @varname: Variable to look up
- * @return value of variable, or NULL if not found
- */
-char *env_get(const char *varname);
-
-/**
- * env_get_f() - Look up the value of an environment variable (early)
- *
- * This function is called from env_get() if the environment has not been
- * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
- * support reading the value (slowly) and some will not.
- *
- * @varname: Variable to look up
- * @return value of variable, or NULL if not found
- */
-int env_get_f(const char *name, char *buf, unsigned len);
-
-/**
- * env_get_ulong() - Return an environment variable as an integer value
- *
- * Most U-Boot environment variables store hex values. For those which store
- * (e.g.) base-10 integers, this function can be used to read the value.
- *
- * @name: Variable to look up
- * @base: Base to use (e.g. 10 for base 10, 2 for binary)
- * @default_val: Default value to return if no value is found
- * @return the value found, or @default_val if none
- */
-ulong env_get_ulong(const char *name, int base, ulong default_val);
-
-/**
- * env_get_hex() - Return an environment variable as a hex value
- *
- * Decode an environment as a hex number (it may or may not have a 0x
- * prefix). If the environment variable cannot be found, or does not start
- * with hex digits, the default value is returned.
- *
- * @varname: Variable to decode
- * @default_val: Value to return on error
- */
-ulong env_get_hex(const char *varname, ulong default_val);
-
-/*
- * Read an environment variable as a boolean
- * Return -1 if variable does not exist (default to true)
- */
-int env_get_yesno(const char *var);
-
-/**
- * env_set() - set an environment variable
- *
- * This sets or deletes the value of an environment variable. For setting the
- * value the variable is created if it does not already exist.
- *
- * @varname: Variable to adjust
- * @value: Value to set for the variable, or NULL or "" to delete the variable
- * @return 0 if OK, 1 on error
- */
-int env_set(const char *varname, const char *value);
-
-/**
- * env_set_ulong() - set an environment variable to an integer
- *
- * @varname: Variable to adjust
- * @value: Value to set for the variable (will be converted to a string)
- * @return 0 if OK, 1 on error
- */
-int env_set_ulong(const char *varname, ulong value);
-
-/**
- * env_set_hex() - set an environment variable to a hex value
- *
- * @varname: Variable to adjust
- * @value: Value to set for the variable (will be converted to a hex string)
- * @return 0 if OK, 1 on error
- */
-int env_set_hex(const char *varname, ulong value);
-
-/**
- * env_set_addr - Set an environment variable to an address in hex
- *
- * @varname: Environment variable to set
- * @addr: Value to set it to
- * @return 0 if ok, 1 on error
- */
-static inline int env_set_addr(const char *varname, const void *addr)
-{
- return env_set_hex(varname, (ulong)addr);
-}
-
-#ifdef CONFIG_AUTO_COMPLETE
-int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
-#endif
-int get_env_id (void);
-
void pci_init_board(void);
/* common/exports.c */
# define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
#endif
-#if defined(CONFIG_MPC8XX_SPI)
-extern void spi_init_f (void);
-extern void spi_init_r (void);
-extern ssize_t spi_read (uchar *, int, uchar *, int);
-extern ssize_t spi_write (uchar *, int, uchar *, int);
-#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 */
void serial_puts (const char *);
int serial_getc (void);
int serial_tstc (void);
-int serial_setconfig(uint config);
/* $(CPU)/speed.c */
int get_clocks (void);
int disable_interrupts (void);
/* $(CPU)/.../commproc.c */
-int dpram_init (void);
-uint dpram_base(void);
-uint dpram_base_align(uint align);
-uint dpram_alloc(uint size);
-uint dpram_alloc_align(uint size,uint align);
void bootcount_store (ulong);
ulong bootcount_load (void);
/* $(CPU)/.../<eth> */
void mii_init (void);
-/* $(CPU)/.../lcd.c */
-ulong lcd_setmem (ulong);
-
-/* $(CPU)/.../video.c */
-ulong video_setmem (ulong);
-
/* arch/$(ARCH)/lib/cache.c */
void enable_caches(void);
void flush_cache (unsigned long, unsigned long);
ulong usec2ticks (unsigned long usec);
ulong ticks2usec (unsigned long ticks);
-/* lib/gunzip.c */
-int gzip_parse_header(const unsigned char *src, unsigned long len);
-int gunzip(void *, int, unsigned char *, unsigned long *);
-int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
- int stoponerr, int offset);
-
-/**
- * gzwrite progress indicators: defined weak to allow board-specific
- * overrides:
- *
- * gzwrite_progress_init called on startup
- * gzwrite_progress called during decompress/write loop
- * gzwrite_progress_finish called at end of loop to
- * indicate success (retcode=0) or failure
- */
-void gzwrite_progress_init(u64 expected_size);
-
-void gzwrite_progress(int iteration,
- u64 bytes_written,
- u64 total_bytes);
-
-void gzwrite_progress_finish(int retcode,
- u64 totalwritten,
- u64 totalsize,
- u32 expected_crc,
- u32 calculated_crc);
-
-/**
- * decompress and write gzipped image from memory to block device
- *
- * @param src compressed image address
- * @param len compressed image length in bytes
- * @param dev block device descriptor
- * @param szwritebuf bytes per write (pad to erase size)
- * @param startoffs offset in bytes of first write
- * @param szexpected expected uncompressed length
- * may be zero to use gzip trailer
- * for files under 4GiB
- */
-int gzwrite(unsigned char *src, int len,
- struct blk_desc *dev,
- unsigned long szwritebuf,
- u64 startoffs,
- u64 szexpected);
-
/* lib/lz4_wrapper.c */
int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
int serial_printf (const char *fmt, ...)
__attribute__ ((format (__printf__, 1, 2)));
-/* lib/gzip.c */
-int gzip(void *dst, unsigned long *lenp,
- unsigned char *src, unsigned long srclen);
-int zzip(void *dst, unsigned long *lenp, unsigned char *src,
- unsigned long srclen, int stoponerr,
- int (*func)(unsigned long, unsigned long));
-
/* lib/net_utils.c */
#include <net.h>
static inline struct in_addr env_get_ip(char *var)
return string_to_ip(env_get(var));
}
-int pcmcia_init (void);
-
-#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__ */
/* Pull in stuff for the build system */
#ifdef DO_DEPS_ONLY
-# include <environment.h>
+# include <env_internal.h>
#endif
#endif /* __COMMON_H_ */
projects / oweals / u-boot.git / blobdiff