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Simon Glassee2b2432015-03-02 17:04:37 -07001menu "Boot timing"
2
3config BOOTSTAGE
4 bool "Boot timing and reporting"
5 help
6 Enable recording of boot time while booting. To use it, insert
7 calls to bootstage_mark() with a suitable BOOTSTAGE_ID from
8 bootstage.h. Only a single entry is recorded for each ID. You can
9 give the entry a name with bootstage_mark_name(). You can also
10 record elapsed time in a particular stage using bootstage_start()
11 before starting and bootstage_accum() when finished. Bootstage will
Robert P. J. Day57247d92016-08-31 12:49:13 -040012 add up all the accumulated time and report it.
Simon Glassee2b2432015-03-02 17:04:37 -070013
14 Normally, IDs are defined in bootstage.h but a small number of
Robert P. J. Day57247d92016-08-31 12:49:13 -040015 additional 'user' IDs can be used by passing BOOTSTAGE_ID_ALLOC
Simon Glassee2b2432015-03-02 17:04:37 -070016 as the ID.
17
Robert P. J. Day57247d92016-08-31 12:49:13 -040018 Calls to show_boot_progress() will also result in log entries but
Simon Glassee2b2432015-03-02 17:04:37 -070019 these will not have names.
20
Simon Glass824bb1b2017-05-22 05:05:35 -060021config SPL_BOOTSTAGE
22 bool "Boot timing and reported in SPL"
23 depends on BOOTSTAGE
24 help
25 Enable recording of boot time in SPL. To make this visible to U-Boot
26 proper, enable BOOTSTAGE_STASH as well. This will stash the timing
27 information when SPL finishes and load it when U-Boot proper starts
28 up.
29
Simon Glassc0126bd2018-11-06 15:21:28 -070030config TPL_BOOTSTAGE
31 bool "Boot timing and reported in TPL"
32 depends on BOOTSTAGE
33 help
34 Enable recording of boot time in SPL. To make this visible to U-Boot
35 proper, enable BOOTSTAGE_STASH as well. This will stash the timing
36 information when TPL finishes and load it when U-Boot proper starts
37 up.
38
Simon Glassee2b2432015-03-02 17:04:37 -070039config BOOTSTAGE_REPORT
40 bool "Display a detailed boot timing report before booting the OS"
41 depends on BOOTSTAGE
42 help
43 Enable output of a boot time report just before the OS is booted.
44 This shows how long it took U-Boot to go through each stage of the
45 boot process. The report looks something like this:
46
47 Timer summary in microseconds:
48 Mark Elapsed Stage
49 0 0 reset
50 3,575,678 3,575,678 board_init_f start
51 3,575,695 17 arch_cpu_init A9
52 3,575,777 82 arch_cpu_init done
53 3,659,598 83,821 board_init_r start
54 3,910,375 250,777 main_loop
55 29,916,167 26,005,792 bootm_start
56 30,361,327 445,160 start_kernel
57
Simon Glass03ecac32017-05-22 05:05:27 -060058config BOOTSTAGE_RECORD_COUNT
59 int "Number of boot stage records to store"
60 default 30
61 help
62 This is the size of the bootstage record list and is the maximum
63 number of bootstage records that can be recorded.
64
Simon Glassd69bb0e2017-09-05 19:49:49 -060065config SPL_BOOTSTAGE_RECORD_COUNT
66 int "Number of boot stage records to store for SPL"
67 default 5
68 help
69 This is the size of the bootstage record list and is the maximum
70 number of bootstage records that can be recorded.
71
Simon Glassee2b2432015-03-02 17:04:37 -070072config BOOTSTAGE_FDT
73 bool "Store boot timing information in the OS device tree"
74 depends on BOOTSTAGE
75 help
76 Stash the bootstage information in the FDT. A root 'bootstage'
77 node is created with each bootstage id as a child. Each child
78 has a 'name' property and either 'mark' containing the
Robert P. J. Day57247d92016-08-31 12:49:13 -040079 mark time in microseconds, or 'accum' containing the
Simon Glassee2b2432015-03-02 17:04:37 -070080 accumulated time for that bootstage id in microseconds.
81 For example:
82
83 bootstage {
84 154 {
85 name = "board_init_f";
86 mark = <3575678>;
87 };
88 170 {
89 name = "lcd";
90 accum = <33482>;
91 };
92 };
93
94 Code in the Linux kernel can find this in /proc/devicetree.
95
96config BOOTSTAGE_STASH
97 bool "Stash the boot timing information in memory before booting OS"
98 depends on BOOTSTAGE
99 help
100 Some OSes do not support device tree. Bootstage can instead write
101 the boot timing information in a binary format at a given address.
102 This happens through a call to bootstage_stash(), typically in
103 the CPU's cleanup_before_linux() function. You can use the
104 'bootstage stash' and 'bootstage unstash' commands to do this on
105 the command line.
106
107config BOOTSTAGE_STASH_ADDR
108 hex "Address to stash boot timing information"
109 default 0
110 help
111 Provide an address which will not be overwritten by the OS when it
112 starts, so that it can read this information when ready.
113
114config BOOTSTAGE_STASH_SIZE
115 hex "Size of boot timing stash region"
Nobuhiro Iwamatsufad6a2b2017-04-02 07:48:12 +0900116 default 0x1000
Simon Glassee2b2432015-03-02 17:04:37 -0700117 help
118 This should be large enough to hold the bootstage stash. A value of
119 4096 (4KiB) is normally plenty.
120
121endmenu
122
Peng Fand14739f2016-06-17 17:39:50 +0800123menu "Boot media"
124
125config NOR_BOOT
126 bool "Support for booting from NOR flash"
127 depends on NOR
128 help
129 Enabling this will make a U-Boot binary that is capable of being
130 booted via NOR. In this case we will enable certain pinmux early
131 as the ROM only partially sets up pinmux. We also default to using
132 NOR for environment.
133
Peng Fanfaaef732016-06-17 17:39:51 +0800134config NAND_BOOT
135 bool "Support for booting from NAND flash"
136 default n
Adam Ford9d04b5f2018-07-08 07:28:10 -0500137 imply NAND
Peng Fanfaaef732016-06-17 17:39:51 +0800138 help
139 Enabling this will make a U-Boot binary that is capable of being
140 booted via NAND flash. This is not a must, some SoCs need this,
Robert P. J. Day57247d92016-08-31 12:49:13 -0400141 some not.
Peng Fanfaaef732016-06-17 17:39:51 +0800142
143config ONENAND_BOOT
144 bool "Support for booting from ONENAND"
145 default n
Adam Ford9d04b5f2018-07-08 07:28:10 -0500146 imply NAND
Peng Fanfaaef732016-06-17 17:39:51 +0800147 help
148 Enabling this will make a U-Boot binary that is capable of being
149 booted via ONENAND. This is not a must, some SoCs need this,
Robert P. J. Day57247d92016-08-31 12:49:13 -0400150 some not.
Peng Fanfaaef732016-06-17 17:39:51 +0800151
152config QSPI_BOOT
153 bool "Support for booting from QSPI flash"
154 default n
155 help
156 Enabling this will make a U-Boot binary that is capable of being
157 booted via QSPI flash. This is not a must, some SoCs need this,
Robert P. J. Day57247d92016-08-31 12:49:13 -0400158 some not.
Peng Fanfaaef732016-06-17 17:39:51 +0800159
160config SATA_BOOT
161 bool "Support for booting from SATA"
162 default n
163 help
164 Enabling this will make a U-Boot binary that is capable of being
165 booted via SATA. This is not a must, some SoCs need this,
Robert P. J. Day57247d92016-08-31 12:49:13 -0400166 some not.
Peng Fanfaaef732016-06-17 17:39:51 +0800167
168config SD_BOOT
169 bool "Support for booting from SD/EMMC"
170 default n
171 help
172 Enabling this will make a U-Boot binary that is capable of being
173 booted via SD/EMMC. This is not a must, some SoCs need this,
Robert P. J. Day57247d92016-08-31 12:49:13 -0400174 some not.
Peng Fanfaaef732016-06-17 17:39:51 +0800175
176config SPI_BOOT
177 bool "Support for booting from SPI flash"
178 default n
179 help
180 Enabling this will make a U-Boot binary that is capable of being
181 booted via SPI flash. This is not a must, some SoCs need this,
Robert P. J. Day57247d92016-08-31 12:49:13 -0400182 some not.
Peng Fanfaaef732016-06-17 17:39:51 +0800183
Peng Fand14739f2016-06-17 17:39:50 +0800184endmenu
185
Heiko Schocherbb597c02016-06-07 08:31:14 +0200186config BOOTDELAY
187 int "delay in seconds before automatically booting"
Tom Rini5e4e8742016-06-13 09:00:30 -0400188 default 2
Masahiro Yamada41598c82016-06-20 17:33:39 +0900189 depends on AUTOBOOT
Heiko Schocherbb597c02016-06-07 08:31:14 +0200190 help
191 Delay before automatically running bootcmd;
Masahiro Yamada2fbb8462016-06-27 16:23:01 +0900192 set to 0 to autoboot with no delay, but you can stop it by key input.
Heiko Schocherbb597c02016-06-07 08:31:14 +0200193 set to -1 to disable autoboot.
194 set to -2 to autoboot with no delay and not check for abort
Heiko Schocherbb597c02016-06-07 08:31:14 +0200195
Alex Kiernanb27dc8e2018-07-05 12:38:16 +0000196 If this value is >= 0 then it is also used for the default delay
197 before starting the default entry in bootmenu. If it is < 0 then
198 a default value of 10s is used.
199
Masahiro Yamada90609702016-06-27 16:23:00 +0900200 See doc/README.autoboot for details.
201
Sam Protsenko5abc1a42017-08-14 20:22:17 +0300202config USE_BOOTARGS
203 bool "Enable boot arguments"
204 help
205 Provide boot arguments to bootm command. Boot arguments are specified
206 in CONFIG_BOOTARGS option. Enable this option to be able to specify
207 CONFIG_BOOTARGS string. If this option is disabled, CONFIG_BOOTARGS
208 will be undefined and won't take any space in U-Boot image.
209
210config BOOTARGS
211 string "Boot arguments"
212 depends on USE_BOOTARGS
213 help
214 This can be used to pass arguments to the bootm command. The value of
215 CONFIG_BOOTARGS goes into the environment value "bootargs". Note that
216 this value will also override the "chosen" node in FDT blob.
217
Tom Rinib6251db2017-11-06 18:15:11 -0500218config USE_BOOTCOMMAND
219 bool "Enable a default value for bootcmd"
220 help
221 Provide a default value for the bootcmd entry in the environment. If
222 autoboot is enabled this is what will be run automatically. Enable
223 this option to be able to specify CONFIG_BOOTCOMMAND as a string. If
224 this option is disabled, CONFIG_BOOTCOMMAND will be undefined and
225 won't take any space in U-Boot image.
226
227config BOOTCOMMAND
228 string "bootcmd value"
229 depends on USE_BOOTCOMMAND
230 default "run distro_bootcmd" if DISTRO_DEFAULTS
231 help
232 This is the string of commands that will be used as bootcmd and if
233 AUTOBOOT is set, automatically run.
234
Masahiro Yamada607d06d2019-02-14 11:05:33 +0900235config USE_PREBOOT
236 bool "Enable preboot"
237 help
238 When this option is enabled, the existence of the environment
239 variable "preboot" will be checked immediately before starting the
240 CONFIG_BOOTDELAY countdown and/or running the auto-boot command resp.
241 entering interactive mode.
242
243 This feature is especially useful when "preboot" is automatically
244 generated or modified. For example, the boot code can modify the
245 "preboot" when a user holds down a certain combination of keys.
246
247config PREBOOT
248 string "preboot default value"
249 depends on USE_PREBOOT
250 help
251 This is the default of "preboot" environment variable.
252
Simon Glass98af8792016-10-17 20:12:35 -0600253menu "Console"
254
Tom Rini4880b022016-11-29 09:14:56 -0500255config MENU
256 bool
257 help
258 This is the library functionality to provide a text-based menu of
259 choices for the user to make choices with.
260
Simon Glass9854a872015-11-08 23:47:48 -0700261config CONSOLE_RECORD
262 bool "Console recording"
263 help
264 This provides a way to record console output (and provide console
Robert P. J. Day57247d92016-08-31 12:49:13 -0400265 input) through circular buffers. This is mostly useful for testing.
Simon Glass9854a872015-11-08 23:47:48 -0700266 Console output is recorded even when the console is silent.
267 To enable console recording, call console_record_reset_enable()
268 from your code.
269
270config CONSOLE_RECORD_OUT_SIZE
271 hex "Output buffer size"
272 depends on CONSOLE_RECORD
273 default 0x400 if CONSOLE_RECORD
274 help
275 Set the size of the console output buffer. When this fills up, no
276 more data will be recorded until some is removed. The buffer is
277 allocated immediately after the malloc() region is ready.
278
279config CONSOLE_RECORD_IN_SIZE
280 hex "Input buffer size"
281 depends on CONSOLE_RECORD
282 default 0x100 if CONSOLE_RECORD
283 help
284 Set the size of the console input buffer. When this contains data,
285 tstc() and getc() will use this in preference to real device input.
286 The buffer is allocated immediately after the malloc() region is
287 ready.
Siva Durga Prasad Paladugu4d255072016-07-19 10:42:22 +0530288
Christian Gmeiner83f6f602018-09-10 12:43:16 +0200289config DISABLE_CONSOLE
290 bool "Add functionality to disable console completely"
291 help
292 Disable console (in & out).
293
Siva Durga Prasad Paladugua4d88922016-07-29 15:31:47 +0530294config IDENT_STRING
295 string "Board specific string to be added to uboot version string"
296 help
297 This options adds the board specific name to u-boot version.
298
Masahiro Yamadab44b3022017-09-16 14:10:40 +0900299config LOGLEVEL
300 int "loglevel"
Tom Rini6a3e65d2017-10-04 16:44:30 -0400301 default 4
Masahiro Yamadab44b3022017-09-16 14:10:40 +0900302 range 0 8
303 help
304 All Messages with a loglevel smaller than the console loglevel will
305 be compiled in. The loglevels are defined as follows:
306
Simon Glass6fc7e932019-02-16 20:24:34 -0700307 0 - emergency
308 1 - alert
309 2 - critical
310 3 - error
311 4 - warning
312 5 - note
313 6 - info
314 7 - debug
315 8 - debug content
316 9 - debug hardware I/O
Masahiro Yamadab44b3022017-09-16 14:10:40 +0900317
318config SPL_LOGLEVEL
319 int
320 default LOGLEVEL
321
Simon Glass4d8d3052018-11-15 18:43:49 -0700322config TPL_LOGLEVEL
323 int
324 default LOGLEVEL
325
Simon Glass98af8792016-10-17 20:12:35 -0600326config SILENT_CONSOLE
327 bool "Support a silent console"
328 help
329 This option allows the console to be silenced, meaning that no
330 output will appear on the console devices. This is controlled by
Chris Packhamf7597732019-01-11 15:30:50 +1300331 setting the environment variable 'silent' to a non-empty value.
Simon Glass98af8792016-10-17 20:12:35 -0600332 Note this also silences the console when booting Linux.
333
334 When the console is set up, the variable is checked, and the
335 GD_FLG_SILENT flag is set. Changing the environment variable later
336 will update the flag.
337
338config SILENT_U_BOOT_ONLY
339 bool "Only silence the U-Boot console"
340 depends on SILENT_CONSOLE
341 help
342 Normally when the U-Boot console is silenced, Linux's console is
343 also silenced (assuming the board boots into Linux). This option
344 allows the linux console to operate normally, even if U-Boot's
345 is silenced.
346
347config SILENT_CONSOLE_UPDATE_ON_SET
348 bool "Changes to the 'silent' environment variable update immediately"
349 depends on SILENT_CONSOLE
350 default y if SILENT_CONSOLE
351 help
352 When the 'silent' environment variable is changed, update the
353 console silence flag immediately. This allows 'setenv' to be used
354 to silence or un-silence the console.
355
356 The effect is that any change to the variable will affect the
357 GD_FLG_SILENT flag.
358
359config SILENT_CONSOLE_UPDATE_ON_RELOC
360 bool "Allow flags to take effect on relocation"
361 depends on SILENT_CONSOLE
362 help
363 In some cases the environment is not available until relocation
364 (e.g. NAND). This option makes the value of the 'silent'
365 environment variable take effect at relocation.
366
Simon Glass8f925582016-10-17 20:12:36 -0600367config PRE_CONSOLE_BUFFER
368 bool "Buffer characters before the console is available"
369 help
370 Prior to the console being initialised (i.e. serial UART
371 initialised etc) all console output is silently discarded.
372 Defining CONFIG_PRE_CONSOLE_BUFFER will cause U-Boot to
373 buffer any console messages prior to the console being
374 initialised to a buffer. The buffer is a circular buffer, so
375 if it overflows, earlier output is discarded.
376
377 Note that this is not currently supported in SPL. It would be
378 useful to be able to share the pre-console buffer with SPL.
379
380config PRE_CON_BUF_SZ
381 int "Sets the size of the pre-console buffer"
382 depends on PRE_CONSOLE_BUFFER
383 default 4096
384 help
385 The size of the pre-console buffer affects how much console output
386 can be held before it overflows and starts discarding earlier
387 output. Normally there is very little output at this early stage,
388 unless debugging is enabled, so allow enough for ~10 lines of
389 text.
390
391 This is a useful feature if you are using a video console and
392 want to see the full boot output on the console. Without this
393 option only the post-relocation output will be displayed.
394
395config PRE_CON_BUF_ADDR
396 hex "Address of the pre-console buffer"
397 depends on PRE_CONSOLE_BUFFER
398 default 0x2f000000 if ARCH_SUNXI && MACH_SUN9I
399 default 0x4f000000 if ARCH_SUNXI && !MACH_SUN9I
400 help
401 This sets the start address of the pre-console buffer. This must
402 be in available memory and is accessed before relocation and
403 possibly before DRAM is set up. Therefore choose an address
404 carefully.
405
406 We should consider removing this option and allocating the memory
407 in board_init_f_init_reserve() instead.
408
Simon Glassef26d602016-10-17 20:12:37 -0600409config CONSOLE_MUX
410 bool "Enable console multiplexing"
411 default y if DM_VIDEO || VIDEO || LCD
412 help
413 This allows multiple devices to be used for each console 'file'.
414 For example, stdout can be set to go to serial and video.
415 Similarly, stdin can be set to come from serial and keyboard.
416 Input can be provided from either source. Console multiplexing
417 adds a small amount of size to U-Boot. Changes to the environment
418 variables stdout, stdin and stderr will take effect immediately.
419
420config SYS_CONSOLE_IS_IN_ENV
421 bool "Select console devices from the environment"
422 default y if CONSOLE_MUX
423 help
424 This allows multiple input/output devices to be set at boot time.
425 For example, if stdout is set to "serial,video" then output will
426 be sent to both the serial and video devices on boot. The
427 environment variables can be updated after boot to change the
428 input/output devices.
429
Simon Glass84f2a5d2016-10-17 20:12:59 -0600430config SYS_CONSOLE_OVERWRITE_ROUTINE
431 bool "Allow board control over console overwriting"
432 help
433 If this is enabled, and the board-specific function
434 overwrite_console() returns 1, the stdin, stderr and stdout are
435 switched to the serial port, else the settings in the environment
436 are used. If this is not enabled, the console will not be switched
437 to serial.
438
Simon Glass3505bc52016-10-17 20:12:58 -0600439config SYS_CONSOLE_ENV_OVERWRITE
440 bool "Update environment variables during console init"
441 help
442 The console environment variables (stdout, stdin, stderr) can be
443 used to determine the correct console devices on start-up. This
444 option writes the console devices to these variables on console
445 start-up (after relocation). This causes the environment to be
446 updated to match the console devices actually chosen.
447
Simon Glassf3f3eff2016-10-17 20:13:00 -0600448config SYS_CONSOLE_INFO_QUIET
449 bool "Don't display the console devices on boot"
450 help
451 Normally U-Boot displays the current settings for stdout, stdin
452 and stderr on boot when the post-relocation console is set up.
Chris Packhamf7597732019-01-11 15:30:50 +1300453 Enable this option to suppress this output. It can be obtained by
Simon Glassf3f3eff2016-10-17 20:13:00 -0600454 calling stdio_print_current_devices() from board code.
455
Simon Glass869588d2016-10-17 20:13:02 -0600456config SYS_STDIO_DEREGISTER
457 bool "Allow deregistering stdio devices"
458 default y if USB_KEYBOARD
459 help
460 Generally there is no need to deregister stdio devices since they
461 are never deactivated. But if a stdio device is used which can be
462 removed (for example a USB keyboard) then this option can be
463 enabled to ensure this is handled correctly.
464
Simon Glass98af8792016-10-17 20:12:35 -0600465endmenu
466
Simon Glasse9c8d492017-12-04 13:48:24 -0700467menu "Logging"
468
469config LOG
470 bool "Enable logging support"
Michal Simek563273d2018-07-23 15:55:11 +0200471 depends on DM
Simon Glasse9c8d492017-12-04 13:48:24 -0700472 help
473 This enables support for logging of status and debug messages. These
474 can be displayed on the console, recorded in a memory buffer, or
475 discarded if not needed. Logging supports various categories and
476 levels of severity.
477
478config SPL_LOG
479 bool "Enable logging support in SPL"
Simon Glassc0126bd2018-11-06 15:21:28 -0700480 depends on LOG
481 help
482 This enables support for logging of status and debug messages. These
483 can be displayed on the console, recorded in a memory buffer, or
484 discarded if not needed. Logging supports various categories and
485 levels of severity.
486
487config TPL_LOG
488 bool "Enable logging support in TPL"
489 depends on LOG
Simon Glasse9c8d492017-12-04 13:48:24 -0700490 help
491 This enables support for logging of status and debug messages. These
492 can be displayed on the console, recorded in a memory buffer, or
493 discarded if not needed. Logging supports various categories and
494 levels of severity.
495
496config LOG_MAX_LEVEL
497 int "Maximum log level to record"
498 depends on LOG
499 default 5
500 help
501 This selects the maximum log level that will be recorded. Any value
502 higher than this will be ignored. If possible log statements below
503 this level will be discarded at build time. Levels:
504
Simon Glass6fc7e932019-02-16 20:24:34 -0700505 0 - emergency
506 1 - alert
507 2 - critical
508 3 - error
509 4 - warning
510 5 - note
511 6 - info
Simon Glasse9c8d492017-12-04 13:48:24 -0700512 7 - debug
Simon Glass6fc7e932019-02-16 20:24:34 -0700513 8 - debug content
514 9 - debug hardware I/O
Simon Glasse9c8d492017-12-04 13:48:24 -0700515
516config SPL_LOG_MAX_LEVEL
517 int "Maximum log level to record in SPL"
518 depends on SPL_LOG
519 default 3
520 help
521 This selects the maximum log level that will be recorded. Any value
522 higher than this will be ignored. If possible log statements below
523 this level will be discarded at build time. Levels:
524
Simon Glass6fc7e932019-02-16 20:24:34 -0700525 0 - emergency
526 1 - alert
527 2 - critical
528 3 - error
529 4 - warning
530 5 - note
531 6 - info
Simon Glasse9c8d492017-12-04 13:48:24 -0700532 7 - debug
Simon Glass6fc7e932019-02-16 20:24:34 -0700533 8 - debug content
534 9 - debug hardware I/O
Simon Glasse9c8d492017-12-04 13:48:24 -0700535
Simon Glass4d8d3052018-11-15 18:43:49 -0700536config TPL_LOG_MAX_LEVEL
537 int "Maximum log level to record in TPL"
538 depends on TPL_LOG
539 default 3
540 help
541 This selects the maximum log level that will be recorded. Any value
542 higher than this will be ignored. If possible log statements below
543 this level will be discarded at build time. Levels:
544
Simon Glass6fc7e932019-02-16 20:24:34 -0700545 0 - emergency
546 1 - alert
547 2 - critical
548 3 - error
549 4 - warning
550 5 - note
551 6 - info
Simon Glass4d8d3052018-11-15 18:43:49 -0700552 7 - debug
Simon Glass6fc7e932019-02-16 20:24:34 -0700553 8 - debug content
554 9 - debug hardware I/O
Simon Glass4d8d3052018-11-15 18:43:49 -0700555
Simon Glassf0b05c92019-02-16 20:24:35 -0700556config LOG_DEFAULT_LEVEL
557 int "Default logging level to display"
558 default 6
559 help
560 This is the default logging level set when U-Boot starts. It can
561 be adjusted later using the 'log level' command. Note that setting
562 this to a value abnove LOG_MAX_LEVEL will be ineffective, since the
563 higher levels are not compiled in to U-Boot.
564
565 0 - emergency
566 1 - alert
567 2 - critical
568 3 - error
569 4 - warning
570 5 - note
571 6 - info
572 7 - debug
573 8 - debug content
574 9 - debug hardware I/O
575
Simon Glassc6d47532017-12-04 13:48:25 -0700576config LOG_CONSOLE
577 bool "Allow log output to the console"
578 depends on LOG
579 default y
580 help
581 Enables a log driver which writes log records to the console.
582 Generally the console is the serial port or LCD display. Only the
583 log message is shown - other details like level, category, file and
584 line number are omitted.
585
Simon Glass4d8d3052018-11-15 18:43:49 -0700586config SPL_LOG_CONSOLE
Simon Glassc6d47532017-12-04 13:48:25 -0700587 bool "Allow log output to the console in SPL"
Simon Glass4d8d3052018-11-15 18:43:49 -0700588 depends on SPL_LOG
589 default y
590 help
591 Enables a log driver which writes log records to the console.
592 Generally the console is the serial port or LCD display. Only the
593 log message is shown - other details like level, category, file and
594 line number are omitted.
595
596config TPL_LOG_CONSOLE
597 bool "Allow log output to the console in SPL"
598 depends on TPL_LOG
Simon Glassc6d47532017-12-04 13:48:25 -0700599 default y
600 help
601 Enables a log driver which writes log records to the console.
602 Generally the console is the serial port or LCD display. Only the
603 log message is shown - other details like level, category, file and
604 line number are omitted.
605
Simon Glassef11ed82017-12-04 13:48:27 -0700606config LOG_TEST
607 bool "Provide a test for logging"
608 depends on LOG
609 default y if SANDBOX
610 help
611 This enables a 'log test' command to test logging. It is normally
612 executed from a pytest and simply outputs logging information
613 in various different ways to test that the logging system works
Chris Packhamf7597732019-01-11 15:30:50 +1300614 correctly with various settings.
Simon Glassef11ed82017-12-04 13:48:27 -0700615
Simon Glass3707c6e2017-12-28 13:14:23 -0700616config LOG_ERROR_RETURN
617 bool "Log all functions which return an error"
618 depends on LOG
619 help
620 When an error is returned in U-Boot it is sometimes difficult to
Chris Packhamf7597732019-01-11 15:30:50 +1300621 figure out the root cause. For example, reading from SPI flash may
Simon Glass3707c6e2017-12-28 13:14:23 -0700622 fail due to a problem in the SPI controller or due to the flash part
623 not returning the expected information. This option changes
624 log_ret() to log any errors it sees. With this option disabled,
625 log_ret() is a nop.
626
627 You can add log_ret() to all functions which return an error code.
628
Simon Glasse9c8d492017-12-04 13:48:24 -0700629endmenu
630
Adam Fordd021e942018-02-06 07:58:59 -0600631config SUPPORT_RAW_INITRD
632 bool "Enable raw initrd images"
633 help
634 Note, defining the SUPPORT_RAW_INITRD allows user to supply
635 kernel with raw initrd images. The syntax is slightly different, the
636 address of the initrd must be augmented by it's size, in the following
637 format: "<initrd address>:<initrd size>".
638
Jagan Tekid259c002016-10-08 18:00:10 +0530639config DEFAULT_FDT_FILE
640 string "Default fdt file"
641 help
642 This option is used to set the default fdt file to boot OS.
643
Adam Ford8ccf98b2018-07-29 13:13:29 -0500644config MISC_INIT_R
645 bool "Execute Misc Init"
646 default y if ARCH_KEYSTONE || ARCH_SUNXI || MPC85xx
647 default y if ARCH_OMAP2PLUS && !AM33XX
648 help
649 Enabling this option calls 'misc_init_r' function
650
Heiko Schocher9dd1d0a2016-09-09 08:12:49 +0200651config VERSION_VARIABLE
652 bool "add U-Boot environment variable vers"
653 default n
654 help
655 If this variable is defined, an environment variable
656 named "ver" is created by U-Boot showing the U-Boot
657 version as printed by the "version" command.
658 Any change to this variable will be reverted at the
659 next reset.
Simon Glassc2ae7d82016-09-12 23:18:22 -0600660
Jagan Tekide70fef2017-01-21 11:48:32 +0100661config BOARD_LATE_INIT
Michal Simek8eb55e12018-08-20 08:24:14 +0200662 bool "Execute Board late init"
Jagan Tekide70fef2017-01-21 11:48:32 +0100663 help
664 Sometimes board require some initialization code that might
665 require once the actual init done, example saving board specific env,
666 boot-modes etc. which eventually done at late.
667
668 So this config enable the late init code with the help of board_late_init
669 function which should defined on respective boards.
670
Lokesh Vutla19a97472016-10-08 14:41:44 -0400671config DISPLAY_CPUINFO
672 bool "Display information about the CPU during start up"
Alexey Brodkinf31414a2018-10-02 11:43:28 +0300673 default y if ARC|| ARM || NIOS2 || X86 || XTENSA || M68K
Lokesh Vutla19a97472016-10-08 14:41:44 -0400674 help
675 Display information about the CPU that U-Boot is running on
676 when U-Boot starts up. The function print_cpuinfo() is called
677 to do this.
678
Lokesh Vutla84351792016-10-11 21:33:46 -0400679config DISPLAY_BOARDINFO
Mario Six78eba692018-03-28 14:38:17 +0200680 bool "Display information about the board during early start up"
Alexey Brodkinf31414a2018-10-02 11:43:28 +0300681 default y if ARC || ARM || M68K || MIPS || PPC || SANDBOX || XTENSA
Lokesh Vutla84351792016-10-11 21:33:46 -0400682 help
683 Display information about the board that U-Boot is running on
684 when U-Boot starts up. The board function checkboard() is called
685 to do this.
686
Mario Six78eba692018-03-28 14:38:17 +0200687config DISPLAY_BOARDINFO_LATE
688 bool "Display information about the board during late start up"
689 help
690 Display information about the board that U-Boot is running on after
691 the relocation phase. The board function checkboard() is called to do
692 this.
693
Philipp Tomsich2acc24f2018-11-30 22:13:25 +0100694config BOUNCE_BUFFER
695 bool "Include bounce buffer API"
696 help
697 Some peripherals support DMA from a subset of physically
698 addressable memory only. To support such peripherals, the
699 bounce buffer API uses a temporary buffer: it copies data
700 to/from DMA regions while managing cache operations.
701
702 A second possible use of bounce buffers is their ability to
703 provide aligned buffers for DMA operations.
704
Simon Glassbed44f42019-01-11 18:37:06 -0700705config BOARD_TYPES
706 bool "Call get_board_type() to get and display the board type"
707 help
708 If this option is enabled, checkboard() will call get_board_type()
709 to get a string containing the board type and this will be
710 displayed immediately after the model is shown on the console
711 early in boot.
712
Simon Glassa4211922017-01-23 13:31:19 -0700713menu "Start-up hooks"
714
715config ARCH_EARLY_INIT_R
716 bool "Call arch-specific init soon after relocation"
Simon Glassa4211922017-01-23 13:31:19 -0700717 help
718 With this option U-Boot will call arch_early_init_r() soon after
719 relocation. Driver model is running by this point, and the cache
720 is on. Note that board_early_init_r() is called first, if
721 enabled. This can be used to set up architecture-specific devices.
722
Simon Glass45856012017-01-23 13:31:21 -0700723config ARCH_MISC_INIT
724 bool "Call arch-specific init after relocation, when console is ready"
725 help
726 With this option U-Boot will call arch_misc_init() after
727 relocation to allow miscellaneous arch-dependent initialisation
728 to be performed. This function should be defined by the board
Chris Packhamf7597732019-01-11 15:30:50 +1300729 and will be called after the console is set up, after relocation.
Simon Glass45856012017-01-23 13:31:21 -0700730
Simon Glassa5d67542017-01-23 13:31:20 -0700731config BOARD_EARLY_INIT_F
732 bool "Call board-specific init before relocation"
Simon Glassa5d67542017-01-23 13:31:20 -0700733 help
734 Some boards need to perform initialisation as soon as possible
735 after boot. With this option, U-Boot calls board_early_init_f()
736 after driver model is ready in the pre-relocation init sequence.
737 Note that the normal serial console is not yet set up, but the
738 debug UART will be available if enabled.
739
Mario Six02ddc142018-03-28 14:38:15 +0200740config BOARD_EARLY_INIT_R
741 bool "Call board-specific init after relocation"
742 help
743 Some boards need to perform initialisation as directly after
744 relocation. With this option, U-Boot calls board_early_init_r()
745 in the post-relocation init sequence.
746
Mario Six2aeb22d2018-03-28 14:38:16 +0200747config LAST_STAGE_INIT
748 bool "Call board-specific as last setup step"
749 help
750 Some boards need to perform initialisation immediately before control
751 is passed to the command-line interpreter (e.g. for initializations
752 that depend on later phases in the init sequence). With this option,
753 U-Boot calls last_stage_init() before the command-line interpreter is
754 started.
755
Simon Glassa4211922017-01-23 13:31:19 -0700756endmenu
757
Simon Glassd70f9192017-05-17 09:05:34 -0600758menu "Security support"
759
760config HASH
761 bool # "Support hashing API (SHA1, SHA256, etc.)"
762 help
763 This provides a way to hash data in memory using various supported
764 algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
765 and the algorithms it supports are defined in common/hash.c. See
766 also CMD_HASH for command-line access.
767
Igor Opaniukb0aa74a2018-07-17 14:33:25 +0300768config AVB_VERIFY
769 bool "Build Android Verified Boot operations"
770 depends on LIBAVB && FASTBOOT
Eugeniu Rosca87c814d2018-08-14 02:43:05 +0200771 depends on PARTITION_UUIDS
Igor Opaniukb0aa74a2018-07-17 14:33:25 +0300772 help
773 This option enables compilation of bootloader-dependent operations,
774 used by Android Verified Boot 2.0 library (libavb). Includes:
775 * Helpers to process strings in order to build OS bootargs.
776 * Helpers to access MMC, similar to drivers/fastboot/fb_mmc.c.
777 * Helpers to alloc/init/free avb ops.
778
Simon Glassc0126bd2018-11-06 15:21:28 -0700779config SPL_HASH
780 bool # "Support hashing API (SHA1, SHA256, etc.)"
781 help
782 This provides a way to hash data in memory using various supported
783 algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
784 and the algorithms it supports are defined in common/hash.c. See
785 also CMD_HASH for command-line access.
786
787config TPL_HASH
788 bool # "Support hashing API (SHA1, SHA256, etc.)"
789 help
790 This provides a way to hash data in memory using various supported
791 algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
792 and the algorithms it supports are defined in common/hash.c. See
793 also CMD_HASH for command-line access.
794
Simon Glassd70f9192017-05-17 09:05:34 -0600795endmenu
796
Marek Vasutb254c522018-02-10 16:22:06 +0100797menu "Update support"
798
799config UPDATE_TFTP
800 bool "Auto-update using fitImage via TFTP"
801 depends on FIT
802 help
803 This option allows performing update of NOR with data in fitImage
804 sent via TFTP boot.
805
806config UPDATE_TFTP_CNT_MAX
807 int "The number of connection retries during auto-update"
808 default 0
809 depends on UPDATE_TFTP
810
811config UPDATE_TFTP_MSEC_MAX
812 int "Delay in mSec to wait for the TFTP server during auto-update"
813 default 100
814 depends on UPDATE_TFTP
815
816endmenu
817
Simon Glass9f407d42018-11-15 18:43:50 -0700818menu "Blob list"
819
820config BLOBLIST
821 bool "Support for a bloblist"
822 help
823 This enables support for a bloblist in U-Boot, which can be passed
824 from TPL to SPL to U-Boot proper (and potentially to Linux). The
825 blob list supports multiple binary blobs of data, each with a tag,
826 so that different U-Boot components can store data which can survive
827 through to the next stage of the boot.
828
829config SPL_BLOBLIST
830 bool "Support for a bloblist in SPL"
831 depends on BLOBLIST
832 default y if SPL
833 help
834 This enables a bloblist in SPL. If this is the first part of U-Boot
835 to run, then the bloblist is set up in SPL and passed to U-Boot
836 proper. If TPL also has a bloblist, then SPL uses the one from there.
837
838config TPL_BLOBLIST
839 bool "Support for a bloblist in TPL"
840 depends on BLOBLIST
841 default y if TPL
842 help
843 This enables a bloblist in TPL. The bloblist is set up in TPL and
844 passed to SPL and U-Boot proper.
845
846config BLOBLIST_SIZE
847 hex "Size of bloblist"
848 depends on BLOBLIST
849 default 0x400
850 help
851 Sets the size of the bloblist in bytes. This must include all
852 overhead (alignment, bloblist header, record header). The bloblist
853 is set up in the first part of U-Boot to run (TPL, SPL or U-Boot
854 proper), and this sane bloblist is used for subsequent stages.
855
856config BLOBLIST_ADDR
857 hex "Address of bloblist"
858 depends on BLOBLIST
859 default 0xe000 if SANDBOX
860 help
861 Sets the address of the bloblist, set up by the first part of U-Boot
862 which runs. Subsequent U-Boot stages typically use the same address.
863
864endmenu
865
Simon Glassc2ae7d82016-09-12 23:18:22 -0600866source "common/spl/Kconfig"