[people/ms/u-boot.git] / include / bootstage.h

/*
 * This file implements recording of each stage of the boot process. It is
 * intended to implement timing of each stage, reporting this information
 * to the user and passing it to the OS for logging / further analysis.
 *
 * Copyright (c) 2011 The Chromium OS Authors.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _BOOTSTAGE_H
#define _BOOTSTAGE_H

/* The number of boot stage records available for the user */
#ifndef CONFIG_BOOTSTAGE_USER_COUNT
#define CONFIG_BOOTSTAGE_USER_COUNT	20
#endif

/* Flags for each bootstage record */
enum bootstage_flags {
	BOOTSTAGEF_ERROR	= 1 << 0,	/* Error record */
	BOOTSTAGEF_ALLOC	= 1 << 1,	/* Allocate an id */
};

/* bootstate sub-IDs used for kernel and ramdisk ranges */
enum {
	BOOTSTAGE_SUB_FORMAT,
	BOOTSTAGE_SUB_FORMAT_OK,
	BOOTSTAGE_SUB_NO_UNIT_NAME,
	BOOTSTAGE_SUB_UNIT_NAME,
	BOOTSTAGE_SUB_SUBNODE,

	BOOTSTAGE_SUB_CHECK,
	BOOTSTAGE_SUB_HASH = 5,
	BOOTSTAGE_SUB_CHECK_ARCH = 5,
	BOOTSTAGE_SUB_CHECK_ALL,
	BOOTSTAGE_SUB_GET_DATA,
	BOOTSTAGE_SUB_CHECK_ALL_OK = 7,
	BOOTSTAGE_SUB_GET_DATA_OK,
	BOOTSTAGE_SUB_LOAD,
};

/*
 * A list of boot stages that we know about. Each of these indicates the
 * state that we are at, and the action that we are about to perform. For
 * errors, we issue an error for an item when it fails. Therefore the
 * normal sequence is:
 *
 * progress action1
 * progress action2
 * progress action3
 *
 * and an error condition where action 3 failed would be:
 *
 * progress action1
 * progress action2
 * progress action3
 * error on action3
 */
enum bootstage_id {
	BOOTSTAGE_ID_START = 0,
	BOOTSTAGE_ID_CHECK_MAGIC,	/* Checking image magic */
	BOOTSTAGE_ID_CHECK_HEADER,	/* Checking image header */
	BOOTSTAGE_ID_CHECK_CHECKSUM,	/* Checking image checksum */
	BOOTSTAGE_ID_CHECK_ARCH,	/* Checking architecture */

	BOOTSTAGE_ID_CHECK_IMAGETYPE = 5,/* Checking image type */
	BOOTSTAGE_ID_DECOMP_IMAGE,	/* Decompressing image */
	BOOTSTAGE_ID_KERNEL_LOADED,	/* Kernel has been loaded */
	BOOTSTAGE_ID_DECOMP_UNIMPL = 7,	/* Odd decompression algorithm */
	BOOTSTAGE_ID_CHECK_BOOT_OS,	/* Calling OS-specific boot function */
	BOOTSTAGE_ID_BOOT_OS_RETURNED,	/* Tried to boot OS, but it returned */
	BOOTSTAGE_ID_CHECK_RAMDISK = 9,	/* Checking ram disk */

	BOOTSTAGE_ID_RD_MAGIC,		/* Checking ram disk magic */
	BOOTSTAGE_ID_RD_HDR_CHECKSUM,	/* Checking ram disk heder checksum */
	BOOTSTAGE_ID_RD_CHECKSUM,	/* Checking ram disk checksum */
	BOOTSTAGE_ID_COPY_RAMDISK = 12,	/* Copying ram disk into place */
	BOOTSTAGE_ID_RAMDISK,		/* Checking for valid ramdisk */
	BOOTSTAGE_ID_NO_RAMDISK,	/* No ram disk found (not an error) */

	BOOTSTAGE_ID_RUN_OS	= 15,	/* Exiting U-Boot, entering OS */

	BOOTSTAGE_ID_NEED_RESET = 30,
	BOOTSTAGE_ID_POST_FAIL,		/* Post failure */
	BOOTSTAGE_ID_POST_FAIL_R,	/* Post failure reported after reloc */

	/*
	 * This set is reported ony by x86, and the meaning is different. In
	 * this case we are reporting completion of a particular stage.
	 * This should probably change in he x86 code (which doesn't report
	 * errors in any case), but discussion this can perhaps wait until we
	 * have a generic board implementation.
	 */
	BOOTSTAGE_ID_BOARD_INIT_R,	/* We have relocated */
	BOOTSTAGE_ID_BOARD_GLOBAL_DATA,	/* Global data is set up */

	BOOTSTAGE_ID_BOARD_INIT_SEQ,	/* We completed the init sequence */
	BOOTSTAGE_ID_BOARD_FLASH,	/* We have configured flash banks */
	BOOTSTAGE_ID_BOARD_FLASH_37,	/* In case you didn't hear... */
	BOOTSTAGE_ID_BOARD_ENV,		/* Environment is relocated & ready */
	BOOTSTAGE_ID_BOARD_PCI,		/* PCI is up */

	BOOTSTAGE_ID_BOARD_INTERRUPTS,	/* Exceptions / interrupts ready */
	BOOTSTAGE_ID_BOARD_DONE,	/* Board init done, off to main loop */
	/* ^^^ here ends the x86 sequence */

	/* Boot stages related to loading a kernel from an IDE device */
	BOOTSTAGE_ID_IDE_START = 41,
	BOOTSTAGE_ID_IDE_ADDR,
	BOOTSTAGE_ID_IDE_BOOT_DEVICE,
	BOOTSTAGE_ID_IDE_TYPE,

	BOOTSTAGE_ID_IDE_PART,
	BOOTSTAGE_ID_IDE_PART_INFO,
	BOOTSTAGE_ID_IDE_PART_TYPE,
	BOOTSTAGE_ID_IDE_PART_READ,
	BOOTSTAGE_ID_IDE_FORMAT,

	BOOTSTAGE_ID_IDE_CHECKSUM,	/* 50 */
	BOOTSTAGE_ID_IDE_READ,

	/* Boot stages related to loading a kernel from an NAND device */
	BOOTSTAGE_ID_NAND_PART,
	BOOTSTAGE_ID_NAND_SUFFIX,
	BOOTSTAGE_ID_NAND_BOOT_DEVICE,
	BOOTSTAGE_ID_NAND_HDR_READ = 55,
	BOOTSTAGE_ID_NAND_AVAILABLE = 55,
	BOOTSTAGE_ID_NAND_TYPE = 57,
	BOOTSTAGE_ID_NAND_READ,

	/* Boot stages related to loading a kernel from an network device */
	BOOTSTAGE_ID_NET_CHECKSUM = 60,
	BOOTSTAGE_ID_NET_ETH_START = 64,
	BOOTSTAGE_ID_NET_ETH_INIT,

	BOOTSTAGE_ID_NET_START = 80,
	BOOTSTAGE_ID_NET_NETLOOP_OK,
	BOOTSTAGE_ID_NET_LOADED,
	BOOTSTAGE_ID_NET_DONE_ERR,
	BOOTSTAGE_ID_NET_DONE,

	BOOTSTAGE_ID_FIT_FDT_START = 90,
	/*
	 * Boot stages related to loading a FIT image. Some of these are a
	 * bit wonky.
	 */
	BOOTSTAGE_ID_FIT_KERNEL_START = 100,

	BOOTSTAGE_ID_FIT_CONFIG = 110,
	BOOTSTAGE_ID_FIT_TYPE,
	BOOTSTAGE_ID_FIT_KERNEL_INFO,

	BOOTSTAGE_ID_FIT_COMPRESSION,
	BOOTSTAGE_ID_FIT_OS,
	BOOTSTAGE_ID_FIT_LOADADDR,
	BOOTSTAGE_ID_OVERWRITTEN,

	/* Next 10 IDs used by BOOTSTAGE_SUB_... */
	BOOTSTAGE_ID_FIT_RD_START = 120,	/* Ramdisk stages */

	/* Next 10 IDs used by BOOTSTAGE_SUB_... */
	BOOTSTAGE_ID_FIT_SETUP_START = 130,	/* x86 setup stages */

	BOOTSTAGE_ID_IDE_FIT_READ = 140,
	BOOTSTAGE_ID_IDE_FIT_READ_OK,

	BOOTSTAGE_ID_NAND_FIT_READ = 150,
	BOOTSTAGE_ID_NAND_FIT_READ_OK,

	/*
	 * These boot stages are new, higher level, and not directly related
	 * to the old boot progress numbers. They are useful for recording
	 * rough boot timing information.
	 */
	BOOTSTAGE_ID_AWAKE,
	BOOTSTAGE_ID_START_SPL,
	BOOTSTAGE_ID_START_UBOOT_F,
	BOOTSTAGE_ID_START_UBOOT_R,
	BOOTSTAGE_ID_USB_START,
	BOOTSTAGE_ID_ETH_START,
	BOOTSTAGE_ID_BOOTP_START,
	BOOTSTAGE_ID_BOOTP_STOP,
	BOOTSTAGE_ID_BOOTM_START,
	BOOTSTAGE_ID_BOOTM_HANDOFF,
	BOOTSTAGE_ID_MAIN_LOOP,
	BOOTSTAGE_KERNELREAD_START,
	BOOTSTAGE_KERNELREAD_STOP,
	BOOTSTAGE_ID_BOARD_INIT,
	BOOTSTAGE_ID_BOARD_INIT_DONE,

	BOOTSTAGE_ID_CPU_AWAKE,
	BOOTSTAGE_ID_MAIN_CPU_AWAKE,
	BOOTSTAGE_ID_MAIN_CPU_READY,

	BOOTSTAGE_ID_ACCUM_LCD,

	/* a few spare for the user, from here */
	BOOTSTAGE_ID_USER,
	BOOTSTAGE_ID_COUNT = BOOTSTAGE_ID_USER + CONFIG_BOOTSTAGE_USER_COUNT,
	BOOTSTAGE_ID_ALLOC,
};

/*
 * Return the time since boot in microseconds, This is needed for bootstage
 * and should be defined in CPU- or board-specific code. If undefined then
 * millisecond resolution will be used (the standard get_timer()).
 */
ulong timer_get_boot_us(void);

#if !defined(CONFIG_SPL_BUILD) && !defined(USE_HOSTCC)
/*
 * Board code can implement show_boot_progress() if needed.
 *
 * @param val	Progress state (enum bootstage_id), or -id if an error
 *		has occurred.
 */
void show_boot_progress(int val);
#else
#define show_boot_progress(val) do {} while (0)
#endif

#if defined(CONFIG_BOOTSTAGE) && !defined(CONFIG_SPL_BUILD) && \
	!defined(USE_HOSTCC)
/* This is the full bootstage implementation */

/**
 * Relocate existing bootstage records
 *
 * Call this after relocation has happened and after malloc has been initted.
 * We need to copy any pointers in bootstage records that were added pre-
 * relocation, since memory can be overritten later.
 * @return Always returns 0, to indicate success
 */
int bootstage_relocate(void);

/**
 * Add a new bootstage record
 *
 * @param id	Bootstage ID to use (ignored if flags & BOOTSTAGEF_ALLOC)
 * @param name	Name of record, or NULL for none
 * @param flags	Flags (BOOTSTAGEF_...)
 * @param mark	Time to record in this record, in microseconds
 */
ulong bootstage_add_record(enum bootstage_id id, const char *name,
			   int flags, ulong mark);

/*
 * Mark a time stamp for the current boot stage.
 */
ulong bootstage_mark(enum bootstage_id id);

ulong bootstage_error(enum bootstage_id id);

ulong bootstage_mark_name(enum bootstage_id id, const char *name);

/**
 * Mark a time stamp in the given function and line number
 *
 * See BOOTSTAGE_MARKER() for a convenient macro.
 *
 * @param file		Filename to record (NULL if none)
 * @param func		Function name to record
 * @param linenum	Line number to record
 * @return recorded time stamp
 */
ulong bootstage_mark_code(const char *file, const char *func,
			  int linenum);

/**
 * Mark the start of a bootstage activity. The end will be marked later with
 * bootstage_accum() and at that point we accumulate the time taken. Calling
 * this function turns the given id into a accumulator rather than and
 * absolute mark in time. Accumulators record the total amount of time spent
 * in an activty during boot.
 *
 * @param id	Bootstage id to record this timestamp against
 * @param name	Textual name to display for this id in the report (maybe NULL)
 * @return start timestamp in microseconds
 */
uint32_t bootstage_start(enum bootstage_id id, const char *name);

/**
 * Mark the end of a bootstage activity
 *
 * After previously marking the start of an activity with bootstage_start(),
 * call this function to mark the end. You can call these functions in pairs
 * as many times as you like.
 *
 * @param id	Bootstage id to record this timestamp against
 * @return time spent in this iteration of the activity (i.e. the time now
 *		less the start time recorded in the last bootstage_start() call
 *		with this id.
 */
uint32_t bootstage_accum(enum bootstage_id id);

/* Print a report about boot time */
void bootstage_report(void);

/**
 * Add bootstage information to the device tree
 *
 * @return 0 if ok, -ve on error
 */
int bootstage_fdt_add_report(void);

/*
 * Stash bootstage data into memory
 *
 * @param base	Base address of memory buffer
 * @param size	Size of memory buffer
 * @return 0 if stashed ok, -1 if out of space
 */
int bootstage_stash(void *base, int size);

/**
 * Read bootstage data from memory
 *
 * Bootstage data is read from memory and placed in the bootstage table
 * in the user records.
 *
 * @param base	Base address of memory buffer
 * @param size	Size of memory buffer (-1 if unknown)
 * @return 0 if unstashed ok, -1 if bootstage info not found, or out of space
 */
int bootstage_unstash(void *base, int size);

#else
static inline ulong bootstage_add_record(enum bootstage_id id,
		const char *name, int flags, ulong mark)
{
	return 0;
}

/*
 * This is a dummy implementation which just calls show_boot_progress(),
 * and won't even do that unless CONFIG_SHOW_BOOT_PROGRESS is defined
 */

static inline int bootstage_relocate(void)
{
	return 0;
}

static inline ulong bootstage_mark(enum bootstage_id id)
{
	show_boot_progress(id);
	return 0;
}

static inline ulong bootstage_error(enum bootstage_id id)
{
	show_boot_progress(-id);
	return 0;
}

static inline ulong bootstage_mark_name(enum bootstage_id id, const char *name)
{
	show_boot_progress(id);
	return 0;
}

static inline ulong bootstage_mark_code(const char *file, const char *func,
					int linenum)
{
	return 0;
}

static inline uint32_t bootstage_start(enum bootstage_id id, const char *name)
{
	return 0;
}

static inline uint32_t bootstage_accum(enum bootstage_id id)
{
	return 0;
}

static inline int bootstage_stash(void *base, int size)
{
	return 0;	/* Pretend to succeed */
}

static inline int bootstage_unstash(void *base, int size)
{
	return 0;	/* Pretend to succeed */
}
#endif /* CONFIG_BOOTSTAGE */

/* Helper macro for adding a bootstage to a line of code */
#define BOOTSTAGE_MARKER()	\
		bootstage_mark_code(__FILE__, __func__, __LINE__)

#endif
Commit	Line	Data
097e1783 SG	1	/*
	2	* This file implements recording of each stage of the boot process. It is
	3	* intended to implement timing of each stage, reporting this information
	4	* to the user and passing it to the OS for logging / further analysis.
	5	*
	6	* Copyright (c) 2011 The Chromium OS Authors.
097e1783	7	*
1a459660	8	* SPDX-License-Identifier: GPL-2.0+
097e1783 SG	9	*/
	10
	11	#ifndef _BOOTSTAGE_H
	12	#define _BOOTSTAGE_H
	13
3a608ca0 SG	14	/* The number of boot stage records available for the user */
	15	#ifndef CONFIG_BOOTSTAGE_USER_COUNT
	16	#define CONFIG_BOOTSTAGE_USER_COUNT 20
	17	#endif
	18
094e06a5 SG	19	/* Flags for each bootstage record */
	20	enum bootstage_flags {
	21	BOOTSTAGEF_ERROR = 1 << 0, /* Error record */
	22	BOOTSTAGEF_ALLOC = 1 << 1, /* Allocate an id */
	23	};
	24
a2cc9bf4 SG	25	/* bootstate sub-IDs used for kernel and ramdisk ranges */
	26	enum {
	27	BOOTSTAGE_SUB_FORMAT,
	28	BOOTSTAGE_SUB_FORMAT_OK,
	29	BOOTSTAGE_SUB_NO_UNIT_NAME,
	30	BOOTSTAGE_SUB_UNIT_NAME,
	31	BOOTSTAGE_SUB_SUBNODE,
	32
	33	BOOTSTAGE_SUB_CHECK,
	34	BOOTSTAGE_SUB_HASH = 5,
	35	BOOTSTAGE_SUB_CHECK_ARCH = 5,
	36	BOOTSTAGE_SUB_CHECK_ALL,
	37	BOOTSTAGE_SUB_GET_DATA,
	38	BOOTSTAGE_SUB_CHECK_ALL_OK = 7,
	39	BOOTSTAGE_SUB_GET_DATA_OK,
	40	BOOTSTAGE_SUB_LOAD,
	41	};
	42
097e1783 SG	43	/*
	44	* A list of boot stages that we know about. Each of these indicates the
	45	* state that we are at, and the action that we are about to perform. For
	46	* errors, we issue an error for an item when it fails. Therefore the
	47	* normal sequence is:
	48	*
	49	* progress action1
	50	* progress action2
	51	* progress action3
	52	*
	53	* and an error condition where action 3 failed would be:
	54	*
	55	* progress action1
	56	* progress action2
	57	* progress action3
	58	* error on action3
	59	*/
	60	enum bootstage_id {
5dc88716 SG	61	BOOTSTAGE_ID_START = 0,
	62	BOOTSTAGE_ID_CHECK_MAGIC, /* Checking image magic */
	63	BOOTSTAGE_ID_CHECK_HEADER, /* Checking image header */
	64	BOOTSTAGE_ID_CHECK_CHECKSUM, /* Checking image checksum */
	65	BOOTSTAGE_ID_CHECK_ARCH, /* Checking architecture */
	66
	67	BOOTSTAGE_ID_CHECK_IMAGETYPE = 5,/* Checking image type */
	68	BOOTSTAGE_ID_DECOMP_IMAGE, /* Decompressing image */
	69	BOOTSTAGE_ID_KERNEL_LOADED, /* Kernel has been loaded */
	70	BOOTSTAGE_ID_DECOMP_UNIMPL = 7, /* Odd decompression algorithm */
	71	BOOTSTAGE_ID_CHECK_BOOT_OS, /* Calling OS-specific boot function */
	72	BOOTSTAGE_ID_BOOT_OS_RETURNED, /* Tried to boot OS, but it returned */
	73	BOOTSTAGE_ID_CHECK_RAMDISK = 9, /* Checking ram disk */
	74
5e410883 SG	75	BOOTSTAGE_ID_RD_MAGIC, /* Checking ram disk magic */
	76	BOOTSTAGE_ID_RD_HDR_CHECKSUM, /* Checking ram disk heder checksum */
	77	BOOTSTAGE_ID_RD_CHECKSUM, /* Checking ram disk checksum */
	78	BOOTSTAGE_ID_COPY_RAMDISK = 12, /* Copying ram disk into place */
	79	BOOTSTAGE_ID_RAMDISK, /* Checking for valid ramdisk */
	80	BOOTSTAGE_ID_NO_RAMDISK, /* No ram disk found (not an error) */
	81
097e1783	82	BOOTSTAGE_ID_RUN_OS = 15, /* Exiting U-Boot, entering OS */
8ade9506 SG	83
	84	BOOTSTAGE_ID_NEED_RESET = 30,
	85	BOOTSTAGE_ID_POST_FAIL, /* Post failure */
	86	BOOTSTAGE_ID_POST_FAIL_R, /* Post failure reported after reloc */
	87
	88	/*
	89	* This set is reported ony by x86, and the meaning is different. In
	90	* this case we are reporting completion of a particular stage.
	91	* This should probably change in he x86 code (which doesn't report
	92	* errors in any case), but discussion this can perhaps wait until we
	93	* have a generic board implementation.
	94	*/
	95	BOOTSTAGE_ID_BOARD_INIT_R, /* We have relocated */
	96	BOOTSTAGE_ID_BOARD_GLOBAL_DATA, /* Global data is set up */
	97
	98	BOOTSTAGE_ID_BOARD_INIT_SEQ, /* We completed the init sequence */
	99	BOOTSTAGE_ID_BOARD_FLASH, /* We have configured flash banks */
	100	BOOTSTAGE_ID_BOARD_FLASH_37, /* In case you didn't hear... */
	101	BOOTSTAGE_ID_BOARD_ENV, /* Environment is relocated & ready */
	102	BOOTSTAGE_ID_BOARD_PCI, /* PCI is up */
	103
	104	BOOTSTAGE_ID_BOARD_INTERRUPTS, /* Exceptions / interrupts ready */
	105	BOOTSTAGE_ID_BOARD_DONE, /* Board init done, off to main loop */
	106	/* ^^^ here ends the x86 sequence */
	107
90e153d7 SG	108	/* Boot stages related to loading a kernel from an IDE device */
	109	BOOTSTAGE_ID_IDE_START = 41,
	110	BOOTSTAGE_ID_IDE_ADDR,
	111	BOOTSTAGE_ID_IDE_BOOT_DEVICE,
	112	BOOTSTAGE_ID_IDE_TYPE,
	113
	114	BOOTSTAGE_ID_IDE_PART,
	115	BOOTSTAGE_ID_IDE_PART_INFO,
	116	BOOTSTAGE_ID_IDE_PART_TYPE,
	117	BOOTSTAGE_ID_IDE_PART_READ,
	118	BOOTSTAGE_ID_IDE_FORMAT,
	119
	120	BOOTSTAGE_ID_IDE_CHECKSUM, /* 50 */
	121	BOOTSTAGE_ID_IDE_READ,
cd24a6bf SG	122
	123	/* Boot stages related to loading a kernel from an NAND device */
	124	BOOTSTAGE_ID_NAND_PART,
	125	BOOTSTAGE_ID_NAND_SUFFIX,
	126	BOOTSTAGE_ID_NAND_BOOT_DEVICE,
	127	BOOTSTAGE_ID_NAND_HDR_READ = 55,
	128	BOOTSTAGE_ID_NAND_AVAILABLE = 55,
	129	BOOTSTAGE_ID_NAND_TYPE = 57,
	130	BOOTSTAGE_ID_NAND_READ,
	131
c8e66db7 SG	132	/* Boot stages related to loading a kernel from an network device */
	133	BOOTSTAGE_ID_NET_CHECKSUM = 60,
	134	BOOTSTAGE_ID_NET_ETH_START = 64,
	135	BOOTSTAGE_ID_NET_ETH_INIT,
	136
	137	BOOTSTAGE_ID_NET_START = 80,
	138	BOOTSTAGE_ID_NET_NETLOOP_OK,
	139	BOOTSTAGE_ID_NET_LOADED,
	140	BOOTSTAGE_ID_NET_DONE_ERR,
	141	BOOTSTAGE_ID_NET_DONE,
	142
a2cc9bf4	143	BOOTSTAGE_ID_FIT_FDT_START = 90,
aacc8c16 SG	144	/*
	145	* Boot stages related to loading a FIT image. Some of these are a
	146	* bit wonky.
	147	*/
a2cc9bf4	148	BOOTSTAGE_ID_FIT_KERNEL_START = 100,
13167dac SG	149
13167dac SG	150	BOOTSTAGE_ID_FIT_CONFIG = 110,
aacc8c16	151	BOOTSTAGE_ID_FIT_TYPE,
13167dac	152	BOOTSTAGE_ID_FIT_KERNEL_INFO,
aacc8c16 SG	153
	154	BOOTSTAGE_ID_FIT_COMPRESSION,
	155	BOOTSTAGE_ID_FIT_OS,
	156	BOOTSTAGE_ID_FIT_LOADADDR,
	157	BOOTSTAGE_ID_OVERWRITTEN,
	158
a2cc9bf4 SG	159	/* Next 10 IDs used by BOOTSTAGE_SUB_... */
a2cc9bf4 SG	160	BOOTSTAGE_ID_FIT_RD_START = 120, /* Ramdisk stages */
aacc8c16	161
90268b87 SG	162	/* Next 10 IDs used by BOOTSTAGE_SUB_... */
	163	BOOTSTAGE_ID_FIT_SETUP_START = 130, /* x86 setup stages */
	164
cd24a6bf SG	165	BOOTSTAGE_ID_IDE_FIT_READ = 140,
	166	BOOTSTAGE_ID_IDE_FIT_READ_OK,
	167
	168	BOOTSTAGE_ID_NAND_FIT_READ = 150,
	169	BOOTSTAGE_ID_NAND_FIT_READ_OK,
3a608ca0 SG	170
	171	/*
	172	* These boot stages are new, higher level, and not directly related
	173	* to the old boot progress numbers. They are useful for recording
	174	* rough boot timing information.
	175	*/
	176	BOOTSTAGE_ID_AWAKE,
996e95d4	177	BOOTSTAGE_ID_START_SPL,
3a608ca0 SG	178	BOOTSTAGE_ID_START_UBOOT_F,
	179	BOOTSTAGE_ID_START_UBOOT_R,
	180	BOOTSTAGE_ID_USB_START,
	181	BOOTSTAGE_ID_ETH_START,
	182	BOOTSTAGE_ID_BOOTP_START,
	183	BOOTSTAGE_ID_BOOTP_STOP,
	184	BOOTSTAGE_ID_BOOTM_START,
	185	BOOTSTAGE_ID_BOOTM_HANDOFF,
	186	BOOTSTAGE_ID_MAIN_LOOP,
	187	BOOTSTAGE_KERNELREAD_START,
	188	BOOTSTAGE_KERNELREAD_STOP,
996e95d4 SG	189	BOOTSTAGE_ID_BOARD_INIT,
996e95d4 SG	190	BOOTSTAGE_ID_BOARD_INIT_DONE,
3a608ca0 SG	191
	192	BOOTSTAGE_ID_CPU_AWAKE,
	193	BOOTSTAGE_ID_MAIN_CPU_AWAKE,
	194	BOOTSTAGE_ID_MAIN_CPU_READY,
	195
996e95d4 SG	196	BOOTSTAGE_ID_ACCUM_LCD,
996e95d4 SG	197
3a608ca0 SG	198	/* a few spare for the user, from here */
	199	BOOTSTAGE_ID_USER,
	200	BOOTSTAGE_ID_COUNT = BOOTSTAGE_ID_USER + CONFIG_BOOTSTAGE_USER_COUNT,
	201	BOOTSTAGE_ID_ALLOC,
097e1783 SG	202	};
097e1783 SG	203
3786980d SG	204	/*
	205	* Return the time since boot in microseconds, This is needed for bootstage
	206	* and should be defined in CPU- or board-specific code. If undefined then
	207	* millisecond resolution will be used (the standard get_timer()).
	208	*/
	209	ulong timer_get_boot_us(void);
	210
e9c8b445	211	#if !defined(CONFIG_SPL_BUILD) && !defined(USE_HOSTCC)
097e1783 SG	212	/*
	213	* Board code can implement show_boot_progress() if needed.
	214	*
	215	* @param val Progress state (enum bootstage_id), or -id if an error
	216	* has occurred.
	217	*/
	218	void show_boot_progress(int val);
7ac2fe2d IY	219	#else
	220	#define show_boot_progress(val) do {} while (0)
	221	#endif
770605e4	222
e9c8b445 SG	223	#if defined(CONFIG_BOOTSTAGE) && !defined(CONFIG_SPL_BUILD) && \
e9c8b445 SG	224	!defined(USE_HOSTCC)
770605e4 SG	225	/* This is the full bootstage implementation */
770605e4 SG	226
150678a5 DA	227	/**
	228	* Relocate existing bootstage records
	229	*
	230	* Call this after relocation has happened and after malloc has been initted.
	231	* We need to copy any pointers in bootstage records that were added pre-
	232	* relocation, since memory can be overritten later.
	233	* @return Always returns 0, to indicate success
	234	*/
	235	int bootstage_relocate(void);
	236
094e06a5 SG	237	/**
	238	* Add a new bootstage record
	239	*
	240	* @param id Bootstage ID to use (ignored if flags & BOOTSTAGEF_ALLOC)
	241	* @param name Name of record, or NULL for none
	242	* @param flags Flags (BOOTSTAGEF_...)
	243	* @param mark Time to record in this record, in microseconds
	244	*/
	245	ulong bootstage_add_record(enum bootstage_id id, const char *name,
	246	int flags, ulong mark);
	247
770605e4 SG	248	/*
	249	* Mark a time stamp for the current boot stage.
	250	*/
	251	ulong bootstage_mark(enum bootstage_id id);
	252
	253	ulong bootstage_error(enum bootstage_id id);
	254
3a608ca0 SG	255	ulong bootstage_mark_name(enum bootstage_id id, const char *name);
3a608ca0 SG	256
fb7db41c SG	257	/**
	258	* Mark a time stamp in the given function and line number
	259	*
	260	* See BOOTSTAGE_MARKER() for a convenient macro.
	261	*
	262	* @param file Filename to record (NULL if none)
	263	* @param func Function name to record
	264	* @param linenum Line number to record
	265	* @return recorded time stamp
	266	*/
	267	ulong bootstage_mark_code(const char file, const char func,
	268	int linenum);
	269
0e996773 SG	270	/**
	271	* Mark the start of a bootstage activity. The end will be marked later with
	272	* bootstage_accum() and at that point we accumulate the time taken. Calling
	273	* this function turns the given id into a accumulator rather than and
	274	* absolute mark in time. Accumulators record the total amount of time spent
	275	* in an activty during boot.
	276	*
	277	* @param id Bootstage id to record this timestamp against
	278	* @param name Textual name to display for this id in the report (maybe NULL)
	279	* @return start timestamp in microseconds
	280	*/
	281	uint32_t bootstage_start(enum bootstage_id id, const char *name);
	282
	283	/**
	284	* Mark the end of a bootstage activity
	285	*
	286	* After previously marking the start of an activity with bootstage_start(),
	287	* call this function to mark the end. You can call these functions in pairs
	288	* as many times as you like.
	289	*
	290	* @param id Bootstage id to record this timestamp against
	291	* @return time spent in this iteration of the activity (i.e. the time now
	292	* less the start time recorded in the last bootstage_start() call
	293	* with this id.
	294	*/
	295	uint32_t bootstage_accum(enum bootstage_id id);
	296
3a608ca0 SG	297	/* Print a report about boot time */
	298	void bootstage_report(void);
	299
94fd1316 SG	300	/**
	301	* Add bootstage information to the device tree
	302	*
	303	* @return 0 if ok, -ve on error
	304	*/
	305	int bootstage_fdt_add_report(void);
	306
fcf509b8 SG	307	/*
	308	* Stash bootstage data into memory
	309	*
	310	* @param base Base address of memory buffer
	311	* @param size Size of memory buffer
	312	* @return 0 if stashed ok, -1 if out of space
	313	*/
	314	int bootstage_stash(void *base, int size);
	315
	316	/**
	317	* Read bootstage data from memory
	318	*
	319	* Bootstage data is read from memory and placed in the bootstage table
	320	* in the user records.
	321	*
	322	* @param base Base address of memory buffer
	323	* @param size Size of memory buffer (-1 if unknown)
	324	* @return 0 if unstashed ok, -1 if bootstage info not found, or out of space
	325	*/
	326	int bootstage_unstash(void *base, int size);
	327
770605e4	328	#else
e802ee0f SG	329	static inline ulong bootstage_add_record(enum bootstage_id id,
	330	const char *name, int flags, ulong mark)
	331	{
	332	return 0;
	333	}
	334
770605e4 SG	335	/*
	336	* This is a dummy implementation which just calls show_boot_progress(),
	337	* and won't even do that unless CONFIG_SHOW_BOOT_PROGRESS is defined
	338	*/
	339
150678a5 DA	340	static inline int bootstage_relocate(void)
	341	{
	342	return 0;
	343	}
	344
770605e4 SG	345	static inline ulong bootstage_mark(enum bootstage_id id)
	346	{
	347	show_boot_progress(id);
	348	return 0;
	349	}
	350
	351	static inline ulong bootstage_error(enum bootstage_id id)
5ddb118d	352	{
770605e4 SG	353	show_boot_progress(-id);
770605e4 SG	354	return 0;
5ddb118d	355	}
097e1783	356
3a608ca0 SG	357	static inline ulong bootstage_mark_name(enum bootstage_id id, const char *name)
3a608ca0 SG	358	{
7f442e36	359	show_boot_progress(id);
3a608ca0 SG	360	return 0;
	361	}
	362
fb7db41c SG	363	static inline ulong bootstage_mark_code(const char file, const char func,
	364	int linenum)
	365	{
	366	return 0;
	367	}
	368
e802ee0f SG	369	static inline uint32_t bootstage_start(enum bootstage_id id, const char *name)
	370	{
	371	return 0;
	372	}
	373
	374	static inline uint32_t bootstage_accum(enum bootstage_id id)
	375	{
	376	return 0;
	377	}
	378
fcf509b8 SG	379	static inline int bootstage_stash(void *base, int size)
	380	{
	381	return 0; /* Pretend to succeed */
	382	}
3a608ca0	383
fcf509b8 SG	384	static inline int bootstage_unstash(void *base, int size)
	385	{
	386	return 0; /* Pretend to succeed */
	387	}
770605e4 SG	388	#endif /* CONFIG_BOOTSTAGE */
770605e4 SG	389
fb7db41c SG	390	/* Helper macro for adding a bootstage to a line of code */
	391	#define BOOTSTAGE_MARKER() \
	392	bootstage_mark_code(__FILE__, __func__, __LINE__)
	393
097e1783	394	#endif