xref: /rk3399_rockchip-uboot/include/common.h (revision 046a6e2a9a61bff4b9f6a37211dd4965faebf6c9)
1e2211743Swdenk /*
23b74e7ecSWolfgang Denk  * (C) Copyright 2000-2009
3e2211743Swdenk  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4e2211743Swdenk  *
51a459660SWolfgang Denk  * SPDX-License-Identifier:	GPL-2.0+
6e2211743Swdenk  */
7e2211743Swdenk 
8e2211743Swdenk #ifndef __COMMON_H_
9d0b8feefSWolfgang Denk #define __COMMON_H_	1
10e2211743Swdenk 
11fcd3c87eSWolfgang Denk #ifndef __ASSEMBLY__		/* put C only stuff in this section */
12fcd3c87eSWolfgang Denk 
13e2211743Swdenk typedef unsigned char		uchar;
14e2211743Swdenk typedef volatile unsigned long	vu_long;
15e2211743Swdenk typedef volatile unsigned short vu_short;
16e2211743Swdenk typedef volatile unsigned char	vu_char;
17e2211743Swdenk 
182a6713b0SAndre Przywara /* Allow sharing constants with type modifiers between C and assembly. */
192a6713b0SAndre Przywara #define _AC(X, Y)       (X##Y)
202a6713b0SAndre Przywara 
21e2211743Swdenk #include <config.h>
222307ea40SJoe Hershberger #include <errno.h>
23a7b81769SMasahiro Yamada #include <time.h>
2425ddd1fbSWolfgang Denk #include <asm-offsets.h>
25e2211743Swdenk #include <linux/bitops.h>
26*046a6e2aSMasahiro Yamada #include <linux/bug.h>
275bc516edSMasahiro Yamada #include <linux/delay.h>
28e2211743Swdenk #include <linux/types.h>
29a9a4552aSMasahiro Yamada #include <linux/printk.h>
30e2211743Swdenk #include <linux/string.h>
319aed5080SMarek Vasut #include <linux/stringify.h>
32e2211743Swdenk #include <asm/ptrace.h>
33e2211743Swdenk #include <stdarg.h>
3450f8c1b1SMasahiro Yamada #include <stdio.h>
35cba1da49SMasahiro Yamada #include <linux/kernel.h>
3685043159SSimon Glass 
37e2211743Swdenk #include <part.h>
38e2211743Swdenk #include <flash.h>
39e2211743Swdenk #include <image.h>
40e2211743Swdenk 
414166ecb2SGabe Black /* Bring in printf format macros if inttypes.h is included */
424166ecb2SGabe Black #define __STDC_FORMAT_MACROS
434166ecb2SGabe Black 
444d1fd7f1SYork Sun #ifdef __LP64__
454d1fd7f1SYork Sun #define CONFIG_SYS_SUPPORT_64BIT_DATA
464d1fd7f1SYork Sun #endif
474d1fd7f1SYork Sun 
48e2211743Swdenk #ifdef DEBUG
4921726a7aSSimon Glass #define _DEBUG	1
5021726a7aSSimon Glass #else
5121726a7aSSimon Glass #define _DEBUG	0
5221726a7aSSimon Glass #endif
5321726a7aSSimon Glass 
5498286826SSimon Glass #ifdef CONFIG_SPL_BUILD
5598286826SSimon Glass #define _SPL_BUILD	1
5698286826SSimon Glass #else
5798286826SSimon Glass #define _SPL_BUILD	0
5898286826SSimon Glass #endif
5998286826SSimon Glass 
6021726a7aSSimon Glass /*
6188a85fb9SMarek Vasut  * Output a debug text when condition "cond" is met. The "cond" should be
6288a85fb9SMarek Vasut  * computed by a preprocessor in the best case, allowing for the best
6388a85fb9SMarek Vasut  * optimization.
6488a85fb9SMarek Vasut  */
6588a85fb9SMarek Vasut #define debug_cond(cond, fmt, args...)			\
6688a85fb9SMarek Vasut 	do {						\
6788a85fb9SMarek Vasut 		if (cond)				\
68be25d875SThierry Reding 			printf(pr_fmt(fmt), ##args);	\
6988a85fb9SMarek Vasut 	} while (0)
7088a85fb9SMarek Vasut 
715e7f7433SSimon Glass /* Show a message if DEBUG is defined in a file */
7288a85fb9SMarek Vasut #define debug(fmt, args...)			\
7388a85fb9SMarek Vasut 	debug_cond(_DEBUG, fmt, ##args)
7488a85fb9SMarek Vasut 
7598286826SSimon Glass /* Show a message if not in SPL */
7698286826SSimon Glass #define warn_non_spl(fmt, args...)			\
7798286826SSimon Glass 	debug_cond(!_SPL_BUILD, fmt, ##args)
7898286826SSimon Glass 
7988a85fb9SMarek Vasut /*
8021726a7aSSimon Glass  * An assertion is run-time check done in debug mode only. If DEBUG is not
8121726a7aSSimon Glass  * defined then it is skipped. If DEBUG is defined and the assertion fails,
8221726a7aSSimon Glass  * then it calls panic*( which may or may not reset/halt U-Boot (see
8321726a7aSSimon Glass  * CONFIG_PANIC_HANG), It is hoped that all failing assertions are found
8421726a7aSSimon Glass  * before release, and after release it is hoped that they don't matter. But
8521726a7aSSimon Glass  * in any case these failing assertions cannot be fixed with a reset (which
8621726a7aSSimon Glass  * may just do the same assertion again).
8721726a7aSSimon Glass  */
8821726a7aSSimon Glass void __assert_fail(const char *assertion, const char *file, unsigned line,
8921726a7aSSimon Glass 		   const char *function);
9021726a7aSSimon Glass #define assert(x) \
9121726a7aSSimon Glass 	({ if (!(x) && _DEBUG) \
9221726a7aSSimon Glass 		__assert_fail(#x, __FILE__, __LINE__, __func__); })
9321726a7aSSimon Glass 
9403204b06SKever Yang #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
9503204b06SKever Yang # undef static_assert
9603204b06SKever Yang # define static_assert _Static_assert
9703204b06SKever Yang #endif
9803204b06SKever Yang 
9942865eb5SJoseph Chen #ifndef CONFIG_IRQ
100e2211743Swdenk typedef void (interrupt_handler_t)(void *);
10142865eb5SJoseph Chen #else
10242865eb5SJoseph Chen typedef void (interrupt_handler_t)(int, void *);
10342865eb5SJoseph Chen #endif
104e2211743Swdenk 
105e2211743Swdenk #include <asm/u-boot.h> /* boot information for Linux kernel */
106e2211743Swdenk #include <asm/global_data.h>	/* global data used for startup functions */
107e2211743Swdenk 
1083fbeeea6SHeiko Schocher #if defined(CONFIG_ENV_IS_EMBEDDED)
1093fbeeea6SHeiko Schocher #define TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
1103fbeeea6SHeiko Schocher #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
1113fbeeea6SHeiko Schocher 	(CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
1123fbeeea6SHeiko Schocher       defined(CONFIG_ENV_IS_IN_NVRAM)
1133fbeeea6SHeiko Schocher #define	TOTAL_MALLOC_LEN	(CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
1143fbeeea6SHeiko Schocher #else
1153fbeeea6SHeiko Schocher #define	TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
1163fbeeea6SHeiko Schocher #endif
117c7de829cSwdenk 
118c7de829cSwdenk /*
119e2211743Swdenk  * Function Prototypes
120e2211743Swdenk  */
1210267ba5dSMichal Simek int dram_init(void);
122e2211743Swdenk 
1235e924a13SSimon Glass /**
1245e924a13SSimon Glass  * dram_init_banksize() - Set up DRAM bank sizes
1255e924a13SSimon Glass  *
1265e924a13SSimon Glass  * This can be implemented by boards to set up the DRAM bank information in
1275e924a13SSimon Glass  * gd->bd->bi_dram(). It is called just before relocation, after dram_init()
1285e924a13SSimon Glass  * is called.
1295e924a13SSimon Glass  *
1305e924a13SSimon Glass  * If this is not provided, a default implementation will try to set up a
1315e924a13SSimon Glass  * single bank. It will do this if CONFIG_NR_DRAM_BANKS and
1325e924a13SSimon Glass  * CONFIG_SYS_SDRAM_BASE are set. The bank will have a start address of
1335e924a13SSimon Glass  * CONFIG_SYS_SDRAM_BASE and the size will be determined by a call to
1345e924a13SSimon Glass  * get_effective_memsize().
1355e924a13SSimon Glass  *
1365e924a13SSimon Glass  * @return 0 if OK, -ve on error
1375e924a13SSimon Glass  */
1385e924a13SSimon Glass int dram_init_banksize(void);
1395e924a13SSimon Glass 
140e2211743Swdenk void	hang		(void) __attribute__ ((noreturn));
141e2211743Swdenk 
142f6c019c4SWolfgang Denk int	timer_init(void);
143f6c019c4SWolfgang Denk int	cpu_init(void);
144f6c019c4SWolfgang Denk 
1452ea09c83SSimon Glass #include <display_options.h>
146e2211743Swdenk 
147e2211743Swdenk /* common/main.c */
148e2211743Swdenk void	main_loop	(void);
149009dde19SSimon Glass int run_command(const char *cmd, int flag);
1501d43bfd2SThomas Betker int run_command_repeatable(const char *cmd, int flag);
151d51004a8SSimon Glass 
152d51004a8SSimon Glass /**
153d51004a8SSimon Glass  * Run a list of commands separated by ; or even \0
154d51004a8SSimon Glass  *
155d51004a8SSimon Glass  * Note that if 'len' is not -1, then the command does not need to be nul
156d51004a8SSimon Glass  * terminated, Memory will be allocated for the command in that case.
157d51004a8SSimon Glass  *
158d51004a8SSimon Glass  * @param cmd	List of commands to run, each separated bu semicolon
159d51004a8SSimon Glass  * @param len	Length of commands excluding terminator if known (-1 if not)
160d51004a8SSimon Glass  * @param flag	Execution flags (CMD_FLAG_...)
161d51004a8SSimon Glass  * @return 0 on success, or != 0 on error.
162d51004a8SSimon Glass  */
163d51004a8SSimon Glass int run_command_list(const char *cmd, int len, int flag);
164e2211743Swdenk 
165ea0364f1SPeter Tyser /* arch/$(ARCH)/lib/board.c */
166e05e5de7SAlbert ARIBAUD void board_init_f(ulong);
1676d1b6f9fSMike Frysinger void board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
1681fed87dbSSimon Glass 
1691fed87dbSSimon Glass /**
170ecc30663SAlbert ARIBAUD  * ulong board_init_f_alloc_reserve - allocate reserved area
1711fed87dbSSimon Glass  *
1721fed87dbSSimon Glass  * This function is called by each architecture very early in the start-up
173ecc30663SAlbert ARIBAUD  * code to allow the C runtime to reserve space on the stack for writable
174ecc30663SAlbert ARIBAUD  * 'globals' such as GD and the malloc arena.
1751fed87dbSSimon Glass  *
176ecc30663SAlbert ARIBAUD  * @top:	top of the reserve area, growing down.
177ecc30663SAlbert ARIBAUD  * @return:	bottom of reserved area
1781fed87dbSSimon Glass  */
179ecc30663SAlbert ARIBAUD ulong board_init_f_alloc_reserve(ulong top);
180ecc30663SAlbert ARIBAUD 
181ecc30663SAlbert ARIBAUD /**
182ecc30663SAlbert ARIBAUD  * board_init_f_init_reserve - initialize the reserved area(s)
183ecc30663SAlbert ARIBAUD  *
184ecc30663SAlbert ARIBAUD  * This function is called once the C runtime has allocated the reserved
185ecc30663SAlbert ARIBAUD  * area on the stack. It must initialize the GD at the base of that area.
186ecc30663SAlbert ARIBAUD  *
187ecc30663SAlbert ARIBAUD  * @base:	top from which reservation was done
188ecc30663SAlbert ARIBAUD  */
189ecc30663SAlbert ARIBAUD void board_init_f_init_reserve(ulong base);
1901fed87dbSSimon Glass 
1911fed87dbSSimon Glass /**
1921fed87dbSSimon Glass  * arch_setup_gd() - Set up the global_data pointer
1931fed87dbSSimon Glass  *
1941fed87dbSSimon Glass  * This pointer is special in some architectures and cannot easily be assigned
1951fed87dbSSimon Glass  * to. For example on x86 it is implemented by adding a specific record to its
1961fed87dbSSimon Glass  * Global Descriptor Table! So we we provide a function to carry out this task.
1971fed87dbSSimon Glass  * For most architectures this can simply be:
1981fed87dbSSimon Glass  *
1991fed87dbSSimon Glass  *    gd = gd_ptr;
2001fed87dbSSimon Glass  *
2011fed87dbSSimon Glass  * @gd_ptr:	Pointer to global data
2021fed87dbSSimon Glass  */
2031fed87dbSSimon Glass void arch_setup_gd(gd_t *gd_ptr);
2041fed87dbSSimon Glass 
205e2211743Swdenk int checkboard(void);
2060365ffccSMasahiro Yamada int show_board_info(void);
207e2211743Swdenk int checkflash(void);
208e2211743Swdenk int checkdram(void);
209e2211743Swdenk int last_stage_init(void);
2103b57fe0aSwdenk extern ulong monitor_flash_len;
211bea3f28dSHaiying Wang int mac_read_from_eeprom(void);
2126ab6b2afSMasahiro Yamada extern u8 __dtb_dt_begin[];	/* embedded device tree blob */
2138f5d4687SHadli, Manjunath int set_cpu_clk_info(void);
2149272a9b4SSimon Glass int mdm_init(void);
2151938f4a5SSimon Glass int print_cpuinfo(void);
216c2240d4dSSimon Glass int update_flash_size(int flash_size);
2172c072c95SSimon Glass int arch_early_init_r(void);
218e2211743Swdenk 
219e5fb573fSSimon Glass /*
220e5fb573fSSimon Glass  * setup_board_extra() - Fill in extra details in the bd_t structure
221e5fb573fSSimon Glass  *
222e5fb573fSSimon Glass  * @return 0 if OK, -ve on error
223e5fb573fSSimon Glass  */
224e5fb573fSSimon Glass int setup_board_extra(void);
225e5fb573fSSimon Glass 
22615a33e49SSimon Glass /**
227671549e5SSimon Glass  * arch_fsp_init() - perform firmware support package init
228671549e5SSimon Glass  *
229671549e5SSimon Glass  * Where U-Boot relies on binary blobs to handle part of the system init, this
230671549e5SSimon Glass  * function can be used to set up the blobs. This is used on some Intel
231671549e5SSimon Glass  * platforms.
232671549e5SSimon Glass  */
233671549e5SSimon Glass int arch_fsp_init(void);
234671549e5SSimon Glass 
235671549e5SSimon Glass /**
236d4c671ccSSimon Glass  * arch_cpu_init_dm() - init CPU after driver model is available
237d4c671ccSSimon Glass  *
238d4c671ccSSimon Glass  * This is called immediately after driver model is available before
239d4c671ccSSimon Glass  * relocation. This is similar to arch_cpu_init() but is able to reference
240d4c671ccSSimon Glass  * devices
241d4c671ccSSimon Glass  *
242d4c671ccSSimon Glass  * @return 0 if OK, -ve on error
243d4c671ccSSimon Glass  */
244d4c671ccSSimon Glass int arch_cpu_init_dm(void);
245d4c671ccSSimon Glass 
246d4c671ccSSimon Glass /**
24768145d4cSAndreas Bießmann  * Reserve all necessary stacks
24868145d4cSAndreas Bießmann  *
24968145d4cSAndreas Bießmann  * This is used in generic board init sequence in common/board_f.c. Each
25068145d4cSAndreas Bießmann  * architecture could provide this function to tailor the required stacks.
25168145d4cSAndreas Bießmann  *
25268145d4cSAndreas Bießmann  * On entry gd->start_addr_sp is pointing to the suggested top of the stack.
25368145d4cSAndreas Bießmann  * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures
25468145d4cSAndreas Bießmann  * require only this can leave it untouched.
25568145d4cSAndreas Bießmann  *
25668145d4cSAndreas Bießmann  * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective
25768145d4cSAndreas Bießmann  * positions of the stack. The stack pointer(s) will be set to this later.
25868145d4cSAndreas Bießmann  * gd->irq_sp is only required, if the architecture needs it.
25968145d4cSAndreas Bießmann  *
26068145d4cSAndreas Bießmann  * @return 0 if no error
26168145d4cSAndreas Bießmann  */
26268145d4cSAndreas Bießmann __weak int arch_reserve_stacks(void);
26368145d4cSAndreas Bießmann 
26468145d4cSAndreas Bießmann /**
26515a33e49SSimon Glass  * Show the DRAM size in a board-specific way
26615a33e49SSimon Glass  *
26715a33e49SSimon Glass  * This is used by boards to display DRAM information in their own way.
26815a33e49SSimon Glass  *
26915a33e49SSimon Glass  * @param size	Size of DRAM (which should be displayed along with other info)
27015a33e49SSimon Glass  */
271ea11b401SAndrew Bradford void board_show_dram(phys_size_t size);
27215a33e49SSimon Glass 
27313d06981SSimon Glass /**
274e29607edSMa Haijun  * arch_fixup_fdt() - Write arch-specific information to fdt
27513d06981SSimon Glass  *
276e29607edSMa Haijun  * Defined in arch/$(ARCH)/lib/bootm-fdt.c
27713d06981SSimon Glass  *
27813d06981SSimon Glass  * @blob:	FDT blob to write to
27913d06981SSimon Glass  * @return 0 if ok, or -ve FDT_ERR_... on failure
28013d06981SSimon Glass  */
281e29607edSMa Haijun int arch_fixup_fdt(void *blob);
28213d06981SSimon Glass 
28360873f73SSiva Durga Prasad Paladugu int reserve_mmu(void);
284e2211743Swdenk /* common/flash.c */
285e2211743Swdenk void flash_perror (int);
286e2211743Swdenk 
28774de7aefSWolfgang Denk /* common/cmd_source.c */
28874de7aefSWolfgang Denk int	source (ulong addr, const char *fit_uname);
289e2211743Swdenk 
290e2211743Swdenk extern ulong load_addr;		/* Default Load Address */
2911aec244aSSimon Glass extern ulong save_addr;		/* Default Save Address */
2921aec244aSSimon Glass extern ulong save_size;		/* Default Save Size */
293e2211743Swdenk 
29406283a64SJason Hobbs /* common/cmd_net.c */
29506283a64SJason Hobbs int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
29606283a64SJason Hobbs 
297669df7e4SRob Herring /* common/cmd_fat.c */
298669df7e4SRob Herring int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
299669df7e4SRob Herring 
300669df7e4SRob Herring /* common/cmd_ext2.c */
301669df7e4SRob Herring int do_ext2load(cmd_tbl_t *, int, int, char * const []);
302669df7e4SRob Herring 
303e2211743Swdenk /* common/cmd_nvedit.c */
304e2211743Swdenk int	env_init     (void);
305e2211743Swdenk void	env_relocate (void);
30626a41790SRafal Jaworowski int	envmatch     (uchar *, int);
30720f86a0aSSimon Glass 
30800caae6dSSimon Glass /**
30900caae6dSSimon Glass  * env_get() - Look up the value of an environment variable
31000caae6dSSimon Glass  *
31100caae6dSSimon Glass  * In U-Boot proper this can be called before relocation (which is when the
31200caae6dSSimon Glass  * environment is loaded from storage, i.e. GD_FLG_ENV_READY is 0). In that
31300caae6dSSimon Glass  * case this function calls env_get_f().
31400caae6dSSimon Glass  *
31500caae6dSSimon Glass  * @varname:	Variable to look up
31600caae6dSSimon Glass  * @return value of variable, or NULL if not found
31700caae6dSSimon Glass  */
31800caae6dSSimon Glass char *env_get(const char *varname);
31900caae6dSSimon Glass 
32000caae6dSSimon Glass /**
32100caae6dSSimon Glass  * env_get_f() - Look up the value of an environment variable (early)
32200caae6dSSimon Glass  *
32300caae6dSSimon Glass  * This function is called from env_get() if the environment has not been
32400caae6dSSimon Glass  * loaded yet (GD_FLG_ENV_READY flag is 0). Some environment locations will
32500caae6dSSimon Glass  * support reading the value (slowly) and some will not.
32600caae6dSSimon Glass  *
32700caae6dSSimon Glass  * @varname:	Variable to look up
32800caae6dSSimon Glass  * @return value of variable, or NULL if not found
32900caae6dSSimon Glass  */
33000caae6dSSimon Glass int env_get_f(const char *name, char *buf, unsigned len);
33100caae6dSSimon Glass 
332bfebc8c9SSimon Glass /**
333bfebc8c9SSimon Glass  * env_get_ulong() - Return an environment variable as an integer value
334bfebc8c9SSimon Glass  *
335bfebc8c9SSimon Glass  * Most U-Boot environment variables store hex values. For those which store
336bfebc8c9SSimon Glass  * (e.g.) base-10 integers, this function can be used to read the value.
337bfebc8c9SSimon Glass  *
338bfebc8c9SSimon Glass  * @name:	Variable to look up
339bfebc8c9SSimon Glass  * @base:	Base to use (e.g. 10 for base 10, 2 for binary)
340bfebc8c9SSimon Glass  * @default_val: Default value to return if no value is found
341bfebc8c9SSimon Glass  * @return the value found, or @default_val if none
342bfebc8c9SSimon Glass  */
343bfebc8c9SSimon Glass ulong env_get_ulong(const char *name, int base, ulong default_val);
34476b8f79cSSimon Glass 
34576b8f79cSSimon Glass /**
346bfebc8c9SSimon Glass  * env_get_hex() - Return an environment variable as a hex value
34776b8f79cSSimon Glass  *
34876b8f79cSSimon Glass  * Decode an environment as a hex number (it may or may not have a 0x
34976b8f79cSSimon Glass  * prefix). If the environment variable cannot be found, or does not start
35076b8f79cSSimon Glass  * with hex digits, the default value is returned.
35176b8f79cSSimon Glass  *
35276b8f79cSSimon Glass  * @varname:		Variable to decode
35376b8f79cSSimon Glass  * @default_val:	Value to return on error
35476b8f79cSSimon Glass  */
355bfebc8c9SSimon Glass ulong env_get_hex(const char *varname, ulong default_val);
35676b8f79cSSimon Glass 
357ec8a252cSJoe Hershberger /*
358ec8a252cSJoe Hershberger  * Read an environment variable as a boolean
359ec8a252cSJoe Hershberger  * Return -1 if variable does not exist (default to true)
360ec8a252cSJoe Hershberger  */
361bfebc8c9SSimon Glass int env_get_yesno(const char *var);
362382bee57SSimon Glass 
363382bee57SSimon Glass /**
364382bee57SSimon Glass  * env_set() - set an environment variable
365382bee57SSimon Glass  *
366382bee57SSimon Glass  * This sets or deletes the value of an environment variable. For setting the
367382bee57SSimon Glass  * value the variable is created if it does not already exist.
368382bee57SSimon Glass  *
369382bee57SSimon Glass  * @varname: Variable to adjust
370382bee57SSimon Glass  * @value: Value to set for the variable, or NULL or "" to delete the variable
371382bee57SSimon Glass  * @return 0 if OK, 1 on error
372382bee57SSimon Glass  */
373382bee57SSimon Glass int env_set(const char *varname, const char *value);
374382bee57SSimon Glass 
375bfc59966SSimon Glass /**
37664c74e0bSJoseph Chen  * env_update() - update sub value of an environment variable
37764c74e0bSJoseph Chen  *
37864c74e0bSJoseph Chen  * This add/append/replace the sub value of an environment variable.
37964c74e0bSJoseph Chen  *
38064c74e0bSJoseph Chen  * @varname: Variable to adjust
38164c74e0bSJoseph Chen  * @valude: Value to append/replace
38264c74e0bSJoseph Chen  * @return 0 if OK, 1 on error
38364c74e0bSJoseph Chen  */
384533c9f30SJoseph Chen int env_update(const char *varname, const char *varvalue);
38564c74e0bSJoseph Chen 
38664c74e0bSJoseph Chen /**
387018f5303SSimon Glass  * env_set_ulong() - set an environment variable to an integer
388018f5303SSimon Glass  *
389018f5303SSimon Glass  * @varname: Variable to adjust
390018f5303SSimon Glass  * @value: Value to set for the variable (will be converted to a string)
391018f5303SSimon Glass  * @return 0 if OK, 1 on error
392018f5303SSimon Glass  */
393018f5303SSimon Glass int env_set_ulong(const char *varname, ulong value);
394018f5303SSimon Glass 
395018f5303SSimon Glass /**
396018f5303SSimon Glass  * env_set_hex() - set an environment variable to a hex value
397018f5303SSimon Glass  *
398018f5303SSimon Glass  * @varname: Variable to adjust
399018f5303SSimon Glass  * @value: Value to set for the variable (will be converted to a hex string)
400018f5303SSimon Glass  * @return 0 if OK, 1 on error
401018f5303SSimon Glass  */
402018f5303SSimon Glass int env_set_hex(const char *varname, ulong value);
403018f5303SSimon Glass 
404018f5303SSimon Glass /**
405018f5303SSimon Glass  * env_set_addr - Set an environment variable to an address in hex
406bfc59966SSimon Glass  *
4071bce2aebSRobert P. J. Day  * @varname:	Environment variable to set
408bfc59966SSimon Glass  * @addr:	Value to set it to
409bfc59966SSimon Glass  * @return 0 if ok, 1 on error
410bfc59966SSimon Glass  */
411018f5303SSimon Glass static inline int env_set_addr(const char *varname, const void *addr)
412bfc59966SSimon Glass {
413018f5303SSimon Glass 	return env_set_hex(varname, (ulong)addr);
414bfc59966SSimon Glass }
415bfc59966SSimon Glass 
41604a85b3bSwdenk #ifdef CONFIG_AUTO_COMPLETE
41704a85b3bSwdenk int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf);
41804a85b3bSwdenk #endif
4192f70c49eSHeiko Schocher int get_env_id (void);
42004a85b3bSwdenk 
421e2211743Swdenk void	pci_init      (void);
422ad10dd9aSstroese void	pci_init_board(void);
423e2211743Swdenk 
424af9e6ad4SCooper Jr., Franklin #if defined(CONFIG_DTB_RESELECT)
425af9e6ad4SCooper Jr., Franklin int	embedded_dtb_select(void);
426af9e6ad4SCooper Jr., Franklin #endif
427af9e6ad4SCooper Jr., Franklin 
428e2211743Swdenk int	misc_init_f   (void);
429e2211743Swdenk int	misc_init_r   (void);
430e2211743Swdenk 
43127b207fdSwdenk /* common/exports.c */
43227b207fdSwdenk void	jumptable_init(void);
43327b207fdSwdenk 
434ecb1dc89SMike Frysinger /* common/kallsysm.c */
435ecb1dc89SMike Frysinger const char *symbol_lookup(unsigned long addr, unsigned long *caddr);
436ecb1dc89SMike Frysinger 
437c83bf6a2Swdenk /* common/memsize.c */
438a55d23ccSAlbert ARIBAUD long	get_ram_size  (long *, long);
439e3866163SYork Sun phys_size_t get_effective_memsize(void);
440c83bf6a2Swdenk 
441e2211743Swdenk /* $(BOARD)/$(BOARD).c */
442e2211743Swdenk void	reset_phy     (void);
4437f6c2cbcSwdenk void	fdc_hw_init   (void);
444e2211743Swdenk 
445e2211743Swdenk /* $(BOARD)/eeprom.c */
446eb5ba3aeSSimon Glass #ifdef CONFIG_CMD_EEPROM
447354e3ed7SMarek Vasut void eeprom_init  (int bus);
448e2211743Swdenk int  eeprom_read  (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
449e2211743Swdenk int  eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
450eb5ba3aeSSimon Glass #else
451eb5ba3aeSSimon Glass /*
452eb5ba3aeSSimon Glass  * Some EEPROM code is depecated because it used the legacy I2C interface. Add
453eb5ba3aeSSimon Glass  * some macros here so we don't have to touch every one of those uses
454eb5ba3aeSSimon Glass  */
455eb5ba3aeSSimon Glass #define eeprom_init(bus)
456eb5ba3aeSSimon Glass #define eeprom_read(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
457eb5ba3aeSSimon Glass #define eeprom_write(dev_addr, offset, buffer, cnt) ((void)-ENOSYS)
458eb5ba3aeSSimon Glass #endif
459e2211743Swdenk 
460e2211743Swdenk /*
461e2211743Swdenk  * Set this up regardless of board
462e2211743Swdenk  * type, to prevent errors.
463e2211743Swdenk  */
4646d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #if defined(CONFIG_SPI) || !defined(CONFIG_SYS_I2C_EEPROM_ADDR)
4656d0f6bcfSJean-Christophe PLAGNIOL-VILLARD # define CONFIG_SYS_DEF_EEPROM_ADDR 0
466e2211743Swdenk #else
467548738b4SHeiko Schocher #if !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)
4686d0f6bcfSJean-Christophe PLAGNIOL-VILLARD # define CONFIG_SYS_DEF_EEPROM_ADDR CONFIG_SYS_I2C_EEPROM_ADDR
469548738b4SHeiko Schocher #endif
4706d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #endif /* CONFIG_SPI || !defined(CONFIG_SYS_I2C_EEPROM_ADDR) */
471e2211743Swdenk 
472bdccc4feSwdenk #if defined(CONFIG_SPI)
473e2211743Swdenk extern void spi_init_f (void);
474e2211743Swdenk extern void spi_init_r (void);
475e2211743Swdenk extern ssize_t spi_read	 (uchar *, int, uchar *, int);
476e2211743Swdenk extern ssize_t spi_write (uchar *, int, uchar *, int);
477e2211743Swdenk #endif
478e2211743Swdenk 
479e2211743Swdenk /* $(BOARD)/$(BOARD).c */
480c837dcb1Swdenk int board_early_init_f (void);
4812a792753Smario.six@gdsys.cc int board_fix_fdt (void *rw_fdt_blob); /* manipulate the U-Boot fdt before its relocation */
482c837dcb1Swdenk int board_late_init (void);
483e2211743Swdenk int board_postclk_init (void); /* after clocks/timebase, before env/serial */
484c837dcb1Swdenk int board_early_init_r (void);
485e2211743Swdenk void board_poweroff (void);
486e2211743Swdenk 
4876d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #if defined(CONFIG_SYS_DRAM_TEST)
488e2211743Swdenk int testdram(void);
4896d0f6bcfSJean-Christophe PLAGNIOL-VILLARD #endif /* CONFIG_SYS_DRAM_TEST */
490e2211743Swdenk 
491e2211743Swdenk /* $(CPU)/start.S */
492e2211743Swdenk int	icache_status (void);
493e2211743Swdenk void	icache_enable (void);
494e2211743Swdenk void	icache_disable(void);
495e2211743Swdenk int	dcache_status (void);
496e2211743Swdenk void	dcache_enable (void);
497e2211743Swdenk void	dcache_disable(void);
4982c451f78SAneesh V void	mmu_disable(void);
4995c6db120SBenoît Thébaudeau #if defined(CONFIG_ARM)
5005c6db120SBenoît Thébaudeau void	relocate_code(ulong);
5015c6db120SBenoît Thébaudeau #else
5025c6db120SBenoît Thébaudeau void	relocate_code(ulong, gd_t *, ulong) __attribute__ ((noreturn));
503959eaa74SBenoît Thébaudeau #endif
504e2211743Swdenk ulong	get_endaddr   (void);
505e2211743Swdenk void	trap_init     (ulong);
5066e2941d7SSimon Glass 
507e2211743Swdenk /* $(CPU)/cpu.c */
508fbb9ecf7STimur Tabi static inline int cpumask_next(int cpu, unsigned int mask)
509fbb9ecf7STimur Tabi {
510fbb9ecf7STimur Tabi 	for (cpu++; !((1 << cpu) & mask); cpu++)
511fbb9ecf7STimur Tabi 		;
512fbb9ecf7STimur Tabi 
513fbb9ecf7STimur Tabi 	return cpu;
514fbb9ecf7STimur Tabi }
515fbb9ecf7STimur Tabi 
516fbb9ecf7STimur Tabi #define for_each_cpu(iter, cpu, num_cpus, mask) \
517fbb9ecf7STimur Tabi 	for (iter = 0, cpu = cpumask_next(-1, mask); \
518fbb9ecf7STimur Tabi 		iter < num_cpus; \
519fbb9ecf7STimur Tabi 		iter++, cpu = cpumask_next(cpu, mask)) \
520fbb9ecf7STimur Tabi 
5210e870980SPoonam Aggrwal int	cpu_numcores  (void);
522b8bf0adcSShaveta Leekha int	cpu_num_dspcores(void);
523fbb9ecf7STimur Tabi u32	cpu_mask      (void);
524b8bf0adcSShaveta Leekha u32	cpu_dsp_mask(void);
525fbb9ecf7STimur Tabi int	is_core_valid (unsigned int);
526cbcbf71bSSimon Glass 
527cbcbf71bSSimon Glass /**
528cbcbf71bSSimon Glass  * arch_cpu_init() - basic cpu-dependent setup for an architecture
529cbcbf71bSSimon Glass  *
530cbcbf71bSSimon Glass  * This is called after early malloc is available. It should handle any
531cbcbf71bSSimon Glass  * CPU- or SoC- specific init needed to continue the init sequence. See
532cbcbf71bSSimon Glass  * board_f.c for where it is called. If this is not provided, a default
533cbcbf71bSSimon Glass  * version (which does nothing) will be used.
534cbcbf71bSSimon Glass  */
535cbcbf71bSSimon Glass int arch_cpu_init(void);
536cbcbf71bSSimon Glass 
537e2211743Swdenk int	checkcpu      (void);
538e2211743Swdenk int	checkicache   (void);
539e2211743Swdenk int	checkdcache   (void);
540e2211743Swdenk void	upmconfig     (unsigned int, unsigned int *, unsigned int);
541e2211743Swdenk ulong	get_tbclk     (void);
5421fb4dab2SPrzemyslaw Marczak void	reset_misc    (void);
5433ec924a3Swdenk void	reset_cpu     (ulong addr);
5446a16e0dfSKim Phillips void ft_cpu_setup(void *blob, bd_t *bd);
5456a16e0dfSKim Phillips void ft_pci_setup(void *blob, bd_t *bd);
5466a16e0dfSKim Phillips 
547ba6a1698SAndre Przywara void smp_set_core_boot_addr(unsigned long addr, int corenr);
548ba6a1698SAndre Przywara void smp_kick_all_cpus(void);
549e2211743Swdenk 
550e2211743Swdenk /* $(CPU)/serial.c */
551e2211743Swdenk int	serial_init   (void);
552e2211743Swdenk void	serial_setbrg (void);
553e2211743Swdenk void	serial_putc   (const char);
554756f586aSwdenk void	serial_putc_raw(const char);
555e2211743Swdenk void	serial_puts   (const char *);
556e2211743Swdenk int	serial_getc   (void);
557e2211743Swdenk int	serial_tstc   (void);
558e2211743Swdenk 
559e2211743Swdenk /* $(CPU)/speed.c */
560e2211743Swdenk int	get_clocks (void);
561e2211743Swdenk ulong	get_bus_freq  (ulong);
562550650ddSStefan Roese int get_serial_clock(void);
563e2211743Swdenk 
564e2211743Swdenk int	cpu_init_r    (void);
565e2211743Swdenk 
566e2211743Swdenk /* $(CPU)/interrupts.c */
567e2211743Swdenk int	interrupt_init	   (void);
568e2211743Swdenk void	timer_interrupt	   (struct pt_regs *);
569e2211743Swdenk void	external_interrupt (struct pt_regs *);
570e2211743Swdenk void	irq_install_handler(int, interrupt_handler_t *, void *);
571e2211743Swdenk void	irq_free_handler   (int);
572e2211743Swdenk void	reset_timer	   (void);
573b2e16a85SSimon Glass 
574b2e16a85SSimon Glass /* Return value of monotonic microsecond timer */
575b2e16a85SSimon Glass unsigned long timer_get_us(void);
576b2e16a85SSimon Glass 
577e2211743Swdenk void	enable_interrupts  (void);
578e2211743Swdenk int	disable_interrupts (void);
579e2211743Swdenk 
580e2211743Swdenk /* $(CPU)/.../commproc.c */
581e2211743Swdenk int	dpram_init (void);
582e2211743Swdenk uint	dpram_base(void);
583e2211743Swdenk uint	dpram_base_align(uint align);
584e2211743Swdenk uint	dpram_alloc(uint size);
585e2211743Swdenk uint	dpram_alloc_align(uint size,uint align);
586bdccc4feSwdenk void	bootcount_store (ulong);
587bdccc4feSwdenk ulong	bootcount_load (void);
588bdccc4feSwdenk #define BOOTCOUNT_MAGIC		0xB001C041
589e2211743Swdenk 
590e2211743Swdenk /* $(CPU)/.../<eth> */
591c5bded3cSWolfgang Denk void mii_init (void);
592e2211743Swdenk 
593e2211743Swdenk /* $(CPU)/.../lcd.c */
594e2211743Swdenk ulong	lcd_setmem (ulong);
595e2211743Swdenk 
596e2211743Swdenk /* $(CPU)/.../video.c */
597e2211743Swdenk ulong	video_setmem (ulong);
598e2211743Swdenk 
599ea0364f1SPeter Tyser /* arch/$(ARCH)/lib/cache.c */
600cba4b180SAneesh V void	enable_caches(void);
601e2211743Swdenk void	flush_cache   (unsigned long, unsigned long);
6022c451f78SAneesh V void	flush_dcache_all(void);
60303d3bfb0SStefan Roese void	flush_dcache_range(unsigned long start, unsigned long stop);
60403d3bfb0SStefan Roese void	invalidate_dcache_range(unsigned long start, unsigned long stop);
6052c451f78SAneesh V void	invalidate_dcache_all(void);
6062c451f78SAneesh V void	invalidate_icache_all(void);
6070db5bca8Swdenk 
6084d24a11eSSimon Glass enum {
6094d24a11eSSimon Glass 	/* Disable caches (else flush caches but leave them active) */
6104d24a11eSSimon Glass 	CBL_DISABLE_CACHES		= 1 << 0,
6114d24a11eSSimon Glass 	CBL_SHOW_BOOTSTAGE_REPORT	= 1 << 1,
6124d24a11eSSimon Glass 
6134d24a11eSSimon Glass 	CBL_ALL				= 3,
6144d24a11eSSimon Glass };
6154d24a11eSSimon Glass 
6164d24a11eSSimon Glass /**
6174d24a11eSSimon Glass  * Clean up ready for linux
6184d24a11eSSimon Glass  *
6194d24a11eSSimon Glass  * @param flags		Flags to control what is done
6204d24a11eSSimon Glass  */
6214d24a11eSSimon Glass int cleanup_before_linux_select(int flags);
6224d24a11eSSimon Glass 
623ea0364f1SPeter Tyser /* arch/$(ARCH)/lib/ticks.S */
62419ea4678SSimon Glass uint64_t get_ticks(void);
625e2211743Swdenk void	wait_ticks    (unsigned long);
626e2211743Swdenk 
627ea0364f1SPeter Tyser /* arch/$(ARCH)/lib/time.c */
628e2211743Swdenk ulong	usec2ticks    (unsigned long usec);
629e2211743Swdenk ulong	ticks2usec    (unsigned long ticks);
630e2211743Swdenk 
63178acc472SPeter Tyser /* lib/gunzip.c */
63287d93a1bSWolfgang Wegner int gunzip(void *, int, unsigned char *, unsigned long *);
63387d93a1bSWolfgang Wegner int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
63487d93a1bSWolfgang Wegner 						int stoponerr, int offset);
63587d93a1bSWolfgang Wegner 
636918e9ebbSEric Nelson /**
637918e9ebbSEric Nelson  * gzwrite progress indicators: defined weak to allow board-specific
638918e9ebbSEric Nelson  * overrides:
639918e9ebbSEric Nelson  *
640918e9ebbSEric Nelson  *	gzwrite_progress_init called on startup
641918e9ebbSEric Nelson  *	gzwrite_progress called during decompress/write loop
642918e9ebbSEric Nelson  *	gzwrite_progress_finish called at end of loop to
643918e9ebbSEric Nelson  *		indicate success (retcode=0) or failure
644918e9ebbSEric Nelson  */
645918e9ebbSEric Nelson void gzwrite_progress_init(u64 expected_size);
646918e9ebbSEric Nelson 
647918e9ebbSEric Nelson void gzwrite_progress(int iteration,
648918e9ebbSEric Nelson 		     u64 bytes_written,
649918e9ebbSEric Nelson 		     u64 total_bytes);
650918e9ebbSEric Nelson 
651918e9ebbSEric Nelson void gzwrite_progress_finish(int retcode,
652918e9ebbSEric Nelson 			     u64 totalwritten,
653918e9ebbSEric Nelson 			     u64 totalsize,
654918e9ebbSEric Nelson 			     u32 expected_crc,
655918e9ebbSEric Nelson 			     u32 calculated_crc);
656918e9ebbSEric Nelson 
657918e9ebbSEric Nelson /**
658918e9ebbSEric Nelson  * decompress and write gzipped image from memory to block device
659918e9ebbSEric Nelson  *
660918e9ebbSEric Nelson  * @param	src		compressed image address
661918e9ebbSEric Nelson  * @param	len		compressed image length in bytes
662918e9ebbSEric Nelson  * @param	dev		block device descriptor
663918e9ebbSEric Nelson  * @param	szwritebuf	bytes per write (pad to erase size)
664918e9ebbSEric Nelson  * @param	startoffs	offset in bytes of first write
665918e9ebbSEric Nelson  * @param	szexpected	expected uncompressed length
666918e9ebbSEric Nelson  *				may be zero to use gzip trailer
667918e9ebbSEric Nelson  *				for files under 4GiB
668918e9ebbSEric Nelson  */
669918e9ebbSEric Nelson int gzwrite(unsigned char *src, int len,
6704101f687SSimon Glass 	    struct blk_desc *dev,
671918e9ebbSEric Nelson 	    unsigned long szwritebuf,
672918e9ebbSEric Nelson 	    u64 startoffs,
673918e9ebbSEric Nelson 	    u64 szexpected);
674918e9ebbSEric Nelson 
675027b728dSJulius Werner /* lib/lz4_wrapper.c */
676027b728dSJulius Werner int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
677027b728dSJulius Werner 
67854c6977eSWolfgang Denk /* lib/qsort.c */
67954c6977eSWolfgang Denk void qsort(void *base, size_t nmemb, size_t size,
68054c6977eSWolfgang Denk 	   int(*compar)(const void *, const void *));
681560d424bSMike Frysinger int strcmp_compar(const void *, const void *);
68254c6977eSWolfgang Denk 
683e11938eaSJason Hobbs /* lib/uuid.c */
684d718ded0SPrzemyslaw Marczak #include <uuid.h>
685e11938eaSJason Hobbs 
68678acc472SPeter Tyser /* lib/vsprintf.c */
6879785c905SSimon Glass #include <vsprintf.h>
688e2211743Swdenk 
68978acc472SPeter Tyser /* lib/strmhz.c */
69055f7934dSEd Swarthout char *	strmhz(char *buf, unsigned long hz);
6910768b7a8SHaavard Skinnemoen 
69278acc472SPeter Tyser /* lib/crc32.c */
693449609f5SPrafulla Wadaskar #include <u-boot/crc.h>
694e2211743Swdenk 
6959acf1ca5SMichael Walle /* lib/rand.c */
6969acf1ca5SMichael Walle #define RAND_MAX -1U
6979acf1ca5SMichael Walle void srand(unsigned int seed);
6989acf1ca5SMichael Walle unsigned int rand(void);
6999acf1ca5SMichael Walle unsigned int rand_r(unsigned int *seedp);
7009acf1ca5SMichael Walle 
701e2211743Swdenk /*
702e2211743Swdenk  * STDIO based functions (can always be used)
703e2211743Swdenk  */
704e2211743Swdenk /* serial stuff */
705d9c27253SWolfgang Denk int	serial_printf (const char *fmt, ...)
706dc4b0b38SAndrew Klossner 		__attribute__ ((format (__printf__, 1, 2)));
707e2211743Swdenk 
70888d52c6aSLei Wen /* lib/gzip.c */
70988d52c6aSLei Wen int gzip(void *dst, unsigned long *lenp,
71088d52c6aSLei Wen 		unsigned char *src, unsigned long srclen);
71188d52c6aSLei Wen int zzip(void *dst, unsigned long *lenp, unsigned char *src,
71288d52c6aSLei Wen 		unsigned long srclen, int stoponerr,
71388d52c6aSLei Wen 		int (*func)(unsigned long, unsigned long));
71488d52c6aSLei Wen 
7154ef8d53cSJoe Hershberger /* lib/net_utils.c */
7164ef8d53cSJoe Hershberger #include <net.h>
717723806ccSSimon Glass static inline struct in_addr env_get_ip(char *var)
7184ef8d53cSJoe Hershberger {
71900caae6dSSimon Glass 	return string_to_ip(env_get(var));
7204ef8d53cSJoe Hershberger }
7214ef8d53cSJoe Hershberger 
722e2211743Swdenk int	pcmcia_init (void);
723e2211743Swdenk 
7242d8d190cSUri Mashiach #ifdef CONFIG_LED_STATUS
725fb364becSWolfgang Denk # include <status_led.h>
726fb364becSWolfgang Denk #endif
727097e1783SSimon Glass 
728097e1783SSimon Glass #include <bootstage.h>
729e2211743Swdenk 
73048522bb5SJoe Hershberger #ifdef CONFIG_SHOW_ACTIVITY
73148522bb5SJoe Hershberger void show_activity(int arg);
73248522bb5SJoe Hershberger #endif
73348522bb5SJoe Hershberger 
734fcd3c87eSWolfgang Denk /* Multicore arch functions */
735fcd3c87eSWolfgang Denk #ifdef CONFIG_MP
736fcd3c87eSWolfgang Denk int cpu_status(int nr);
737fcd3c87eSWolfgang Denk int cpu_reset(int nr);
7384194b366SKumar Gala int cpu_disable(int nr);
73954841ab5SWolfgang Denk int cpu_release(int nr, int argc, char * const argv[]);
740fcd3c87eSWolfgang Denk #endif
741fcd3c87eSWolfgang Denk 
7422a6713b0SAndre Przywara #else	/* __ASSEMBLY__ */
7432a6713b0SAndre Przywara 
7442a6713b0SAndre Przywara /* Drop a C type modifier (like in 3UL) for constants used in assembly. */
7452a6713b0SAndre Przywara #define _AC(X, Y)       X
7462a6713b0SAndre Przywara 
747fcd3c87eSWolfgang Denk #endif	/* __ASSEMBLY__ */
748fcd3c87eSWolfgang Denk 
749fcd3c87eSWolfgang Denk /* Put only stuff here that the assembler can digest */
750fcd3c87eSWolfgang Denk 
7512a6713b0SAndre Przywara /* Declare an unsigned long constant digestable both by C and an assembler. */
7522a6713b0SAndre Przywara #define UL(x)           _AC(x, UL)
7532a6713b0SAndre Przywara 
754fcd3c87eSWolfgang Denk #ifdef CONFIG_POST
755fcd3c87eSWolfgang Denk #define CONFIG_HAS_POST
756800eb096SMichael Zaidman #ifndef CONFIG_POST_ALT_LIST
757800eb096SMichael Zaidman #define CONFIG_POST_STD_LIST
758800eb096SMichael Zaidman #endif
759fcd3c87eSWolfgang Denk #endif
760fcd3c87eSWolfgang Denk 
7618aa1a2d1Swdenk #ifdef CONFIG_INIT_CRITICAL
7622f6fa46dSWolfgang Denk #error CONFIG_INIT_CRITICAL is deprecated!
7638aa1a2d1Swdenk #error Read section CONFIG_SKIP_LOWLEVEL_INIT in README.
7648aa1a2d1Swdenk #endif
7658aa1a2d1Swdenk 
766155cfb5eSAnton Staaf #define ROUND(a,b)		(((a) + (b) - 1) & ~((b) - 1))
7674b03ac8bSAndy Fleming 
7681e41f5adSAnton Staaf /*
769c9689ca3SSimon Glass  * check_member() - Check the offset of a structure member
770c9689ca3SSimon Glass  *
771c9689ca3SSimon Glass  * @structure:	Name of structure (e.g. global_data)
772c9689ca3SSimon Glass  * @member:	Name of member (e.g. baudrate)
773c9689ca3SSimon Glass  * @offset:	Expected offset in bytes
774c9689ca3SSimon Glass  */
775c9689ca3SSimon Glass #define check_member(structure, member, offset) _Static_assert( \
776c9689ca3SSimon Glass 	offsetof(struct structure, member) == offset, \
777c9689ca3SSimon Glass 	"`struct " #structure "` offset for `" #member "` is not " #offset)
778c9689ca3SSimon Glass 
779476476e7SSimon Glass /* Avoid using CONFIG_EFI_STUB directly as we may boot from other loaders */
780476476e7SSimon Glass #ifdef CONFIG_EFI_STUB
781476476e7SSimon Glass #define ll_boot_init()	false
782476476e7SSimon Glass #else
783476476e7SSimon Glass #define ll_boot_init()	true
784476476e7SSimon Glass #endif
785476476e7SSimon Glass 
786c3eb3fe4SMike Frysinger /* Pull in stuff for the build system */
787c3eb3fe4SMike Frysinger #ifdef DO_DEPS_ONLY
788c3eb3fe4SMike Frysinger # include <environment.h>
789c3eb3fe4SMike Frysinger #endif
790c3eb3fe4SMike Frysinger 
791e2211743Swdenk #endif	/* __COMMON_H_ */
792