blob: 48af2a3d483696251d11ab096c5f9e9a438ef366 [file] [log] [blame]
Simon Glass7eec8842022-04-30 00:56:52 -06001menu "SPL / TPL / VPL"
Simon Glass1e3911a2016-09-13 07:05:23 -06002
Simon Glassffe19762016-09-12 23:18:22 -06003config SUPPORT_SPL
4 bool
5
6config SUPPORT_TPL
7 bool
8
Simon Glass7eec8842022-04-30 00:56:52 -06009config SUPPORT_VPL
10 bool
11
B, Ravi4cca5cf2017-05-04 15:45:29 +053012config SPL_DFU_NO_RESET
13 bool
14
Simon Glassffe19762016-09-12 23:18:22 -060015config SPL
16 bool
17 depends on SUPPORT_SPL
18 prompt "Enable SPL"
19 help
20 If you want to build SPL as well as the normal image, say Y.
21
Tom Rini623d67e2018-02-06 12:15:38 -050022config SPL_FRAMEWORK
23 bool "Support SPL based upon the common SPL framework"
24 depends on SPL
25 default y
26 help
27 Enable the SPL framework under common/spl/. This framework
28 supports MMC, NAND and YMODEM and other methods loading of U-Boot
29 and the Linux Kernel. If unsure, say Y.
30
Philippe Reynesc4510f42019-09-19 16:18:39 +020031config SPL_FRAMEWORK_BOARD_INIT_F
32 bool "Define a generic function board_init_f"
33 depends on SPL_FRAMEWORK
34 help
35 Define a generic function board_init_f that:
36 - initialize the spl (spl_early_init)
37 - initialize the serial (preloader_console_init)
38 Unless you want to provide your own board_init_f, you should say Y.
39
Simon Goldschmidtc2722832019-05-24 22:07:04 +020040config SPL_SIZE_LIMIT
Simon Glassa8f0c942019-09-25 08:56:28 -060041 hex "Maximum size of SPL image"
Simon Goldschmidtc2722832019-05-24 22:07:04 +020042 depends on SPL
Ovidiu Panaitb7232622020-09-25 21:12:56 +030043 default 0x11000 if ARCH_MX6 && !MX6_OCRAM_256KB
44 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
45 default 0x0
Simon Goldschmidtc2722832019-05-24 22:07:04 +020046 help
47 Specifies the maximum length of the U-Boot SPL image.
48 If this value is zero, it is ignored.
49
50config SPL_SIZE_LIMIT_SUBTRACT_GD
51 bool "SPL image size check: provide space for global data"
52 depends on SPL_SIZE_LIMIT > 0
53 help
54 If enabled, aligned size of global data is reserved in
55 SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM
56 if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when
57 pre-reloc global data is put into this SRAM, too.
58
59config SPL_SIZE_LIMIT_SUBTRACT_MALLOC
60 bool "SPL image size check: provide space for malloc() pool before relocation"
61 depends on SPL_SIZE_LIMIT > 0
62 help
63 If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check
64 to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT
65 describes the size of SRAM available for SPL when pre-reloc malloc
66 pool is put into this SRAM, too.
67
68config SPL_SIZE_LIMIT_PROVIDE_STACK
69 hex "SPL image size check: provide stack space before relocation"
70 depends on SPL_SIZE_LIMIT > 0
71 default 0
72 help
73 If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such
74 an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size
75 of SRAM available for SPL when the stack required before reolcation
76 uses this SRAM, too.
77
Tom Riniabb0f522022-05-16 17:20:26 -040078config SPL_MAX_SIZE
79 hex "Maximum size of the SPL image, excluding BSS"
80 default 0x30000 if ARCH_MX6 && MX6_OCRAM_256KB
81 default 0x1b000 if AM33XX && !TI_SECURE_DEVICE
82 default 0x10000 if ARCH_MX6 && !MX6_OCRAM_256KB
83 default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x10000
84 default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x20000 && !MACH_SUN50I_H616
85 default 0x7000 if RCAR_GEN3
86 default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
87 default 0x0
88 help
89 Maximum size of the SPL image (text, data, rodata, and linker lists
90 sections), BSS excluded. When defined, the linker checks that the
91 actual size does not exceed it.
92
93config SPL_PAD_TO
94 hex "Offset to which the SPL should be padded before appending the SPL payload"
95 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
96 default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
97 default 0x10000 if ARCH_KEYSTONE
98 default 0x8000 if ARCH_SUNXI && !MACH_SUN50I_H616
99 default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE
100 default SPL_MAX_SIZE
101 help
102 Image offset to which the SPL should be padded before appending the
103 SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if
104 CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either
105 0, meaning to append the SPL payload without any padding, or >=
106 CONFIG_SPL_MAX_SIZE.
107
Tom Rini0cb89e72022-05-19 15:09:22 -0400108choice
109 prompt "Enforce SPL BSS limit"
110 depends on SPL && !PPC
111 default SPL_BSS_LIMIT
112 help
113 In some platforms we only want to enforce a limit on the size of the
114 BSS in memory. On other platforms we need to enforce a limit on the
115 whole of the memory allocation as we're strictly limited to a small
116 typically non-DRAM location. Finally, other platforms do not enforce
117 a memory limit within SPL.
118
119config SPL_NO_BSS_LIMIT
120 bool "Do not enforce a build time limit on the size of the BSS"
121
122config SPL_BSS_LIMIT
123 bool "Enforce a limit on the size of the BSS only"
124
125config SPL_FOOTPRINT_LIMIT
126 bool "Enforce a limit on the whole of memory allocated to SPL, BSS included"
127
128endchoice
129
130config SPL_BSS_MAX_SIZE
131 hex "Maximum size in memory allocated to the SPL BSS"
132 depends on SPL_BSS_LIMIT
133 default 0x100000 if ARCH_MX6 || RISCV
134 default 0x80000 if ARCH_OMAP2PLUS || ARCH_SUNXI
135 help
136 When non-zero, the linker checks that the actual memory used by SPL
137 from __bss_start to __bss_end does not exceed it.
138
139config SPL_MAX_FOOTPRINT
140 hex "Maximum size in memory allocated to the SPL, BSS included"
141 depends on SPL_FOOTPRINT_LIMIT
142 help
143 When non-zero, the linker checks that the actual memory used by SPL
144 from _start to __bss_end does not exceed it.
145
Simon Goldschmidt0b820852019-07-16 22:30:36 +0200146config SPL_SYS_STACK_F_CHECK_BYTE
147 hex
148 default 0xaa
149 help
150 Constant used to check the stack
151
152config SPL_SYS_REPORT_STACK_F_USAGE
153 depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0
154 bool "Check and report stack usage in SPL before relocation"
155 help
156 If this option is enabled, the initial SPL stack is filled with 0xaa
157 very early, up to the size configured with
158 SPL_SIZE_LIMIT_PROVIDE_STACK.
159 Later when SPL is done using this initial stack and switches to a
160 stack in DRAM, the actually used size of this initial stack is
161 reported by examining the memory and searching for the lowest
162 occurrence of non 0xaa bytes.
163 This default implementation works for stacks growing down only.
164
Simon Glass58254e02021-07-05 16:32:57 -0600165config SPL_SHOW_ERRORS
166 bool "Show more information when something goes wrong"
167 help
168 This enabled more verbose error messages and checking when something
169 goes wrong in SPL. For example, it shows the error code when U-Boot
170 cannot be located. This can help to diagnose the problem and figure
171 out a fix, particularly during development.
172
173 This adds a small amount to SPL code size, perhaps 100 bytes.
174
Simon Glass02b87002022-02-08 11:49:48 -0700175config SPL_BINMAN_SYMBOLS
176 bool "Declare binman symbols in SPL"
177 depends on SPL_FRAMEWORK && BINMAN
178 default y
179 help
180 This enables use of symbols in SPL which refer to U-Boot, enabling SPL
181 to obtain the location of U-Boot simply by calling spl_get_image_pos()
182 and spl_get_image_size().
183
184 For this to work, you must have a U-Boot image in the binman image, so
185 binman can update SPL with the location of it.
186
Alison Wangb846d182019-12-04 06:21:55 +0000187menu "PowerPC and LayerScape SPL Boot options"
Tom Rinie5678e42019-06-01 14:20:25 -0400188
189config SPL_NAND_BOOT
190 bool "Load SPL from NAND flash"
Alison Wangb846d182019-12-04 06:21:55 +0000191 depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
Tom Rinie5678e42019-06-01 14:20:25 -0400192
193config SPL_MMC_BOOT
194 bool "Load SPL from SD Card / eMMC"
Alison Wangb846d182019-12-04 06:21:55 +0000195 depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
Tom Rinie5678e42019-06-01 14:20:25 -0400196
197config SPL_SPI_BOOT
198 bool "Load SPL from SPI flash"
Alison Wangb846d182019-12-04 06:21:55 +0000199 depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
Tom Rinie5678e42019-06-01 14:20:25 -0400200
201config SPL_FSL_PBL
202 bool "Create SPL in Freescale PBI format"
Alison Wangb846d182019-12-04 06:21:55 +0000203 depends on (PPC || ARCH_LS1021A || ARCH_LS1043A || ARCH_LS1046A) && \
204 SUPPORT_SPL
Tom Rinie5678e42019-06-01 14:20:25 -0400205 help
206 Create boot binary having SPL binary in PBI format concatenated with
207 u-boot binary.
208
209endmenu
210
Tom Rini6b15c162022-05-13 12:26:35 -0400211menu "PowerPC SPL specific options"
212 depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK)
213
214config SPL_INIT_MINIMAL
215 bool "Arch init code will be built for a very small image"
216
217config SPL_FLUSH_IMAGE
218 bool "Clean dcache and invalidate icache after loading the image"
219
220config SPL_SKIP_RELOCATE
221 bool "Skip relocating SPL"
222
223endmenu
224
Simon Glasse14f1a22018-11-15 18:44:09 -0700225config HANDOFF
226 bool "Pass hand-off information from SPL to U-Boot proper"
Ovidiu Panaitf97049f2020-11-28 10:43:19 +0200227 depends on SPL && BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700228 help
229 It is useful to be able to pass information from SPL to U-Boot
230 proper to preserve state that is known in SPL and is needed in U-Boot.
231 Enable this to locate the handoff information in U-Boot proper, early
232 in boot. It is available in gd->handoff. The state state is set up
233 in SPL (or TPL if that is being used).
234
Tom Rini3c82f982017-05-22 19:21:57 +0000235if SPL
236
Simon Glasse14f1a22018-11-15 18:44:09 -0700237config SPL_HANDOFF
238 bool "Pass hand-off information from SPL to U-Boot proper"
Simon Glass540ee8d2019-09-25 08:11:17 -0600239 depends on HANDOFF && SPL_BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700240 default y
241 help
242 This option enables SPL to write handoff information. This can be
243 used to pass information like the size of SDRAM from SPL to U-Boot
244 proper. Also SPL can receive information from TPL in the same place
245 if that is enabled.
246
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200247config SPL_LDSCRIPT
248 string "Linker script for the SPL stage"
Tom Rini067b9ff2020-03-11 18:11:11 -0400249 default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200250 help
251 The SPL stage will usually require a different linker-script
252 (as it runs from a different memory region) than the regular
253 U-Boot stage. Set this to the path of the linker-script to
254 be used for SPL.
255
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200256config SPL_TEXT_BASE
257 hex "SPL Text Base"
258 default ISW_ENTRY_ADDR if AM43XX || AM33XX || OMAP54XX || ARCH_KEYSTONE
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100259 default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I
Jernej Skrabecda8ae612021-01-11 21:11:34 +0100260 default 0x20060 if SUN50I_GEN_H6
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100261 default 0x00060 if ARCH_SUNXI
Michal Simekad336ea2019-09-11 08:49:31 +0200262 default 0xfffc0000 if ARCH_ZYNQMP
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200263 default 0x0
264 help
265 The address in memory that SPL will be running from.
266
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800267config SPL_BOARD_INIT
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800268 bool "Call board-specific initialization in SPL"
269 help
270 If this option is enabled, U-Boot will call the function
271 spl_board_init() from board_init_r(). This function should be
272 provided by the board.
273
Simon Glasse7ca7da2022-04-30 00:56:53 -0600274config VPL_BOARD_INIT
275 bool "Call board-specific initialization in VPL"
276 help
277 If this option is enabled, U-Boot will call the function
278 spl_board_init() from board_init_r(). This function should be
279 provided by the board.
280
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200281config SPL_BOOTROM_SUPPORT
Michal Simek0606f9e2021-05-20 13:08:44 +0200282 bool "Support returning to the BOOTROM"
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200283 help
284 Some platforms (e.g. the Rockchip RK3368) provide support in their
285 ROM for loading the next boot-stage after performing basic setup
286 from the SPL stage.
287
288 Enable this option, to return to the BOOTROM through the
289 BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
290 boot device list, if not implemented for a given board)
291
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200292config SPL_BOOTCOUNT_LIMIT
293 bool "Support bootcount in SPL"
Philippe Reynes8d82a202020-12-11 19:56:47 +0100294 depends on SPL_ENV_SUPPORT && !TPL_BOOTCOUNT_LIMIT
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200295 help
296 On some boards, which use 'falcon' mode, it is necessary to check
297 and increment the number of boot attempts. Such boards do not
298 use proper U-Boot for normal boot flow and hence needs those
299 adjustments to be done in the SPL.
300
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600301config SPL_RAW_IMAGE_SUPPORT
302 bool "Support SPL loading and booting of RAW images"
Simon Glass081a45a2021-08-08 12:20:17 -0600303 default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
Andrew Davis4c1f4762022-05-04 15:52:26 -0500304 default y
305 depends on !TI_SECURE_DEVICE
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600306 help
307 SPL will support loading and booting a RAW image when this option
308 is y. If this is not set, SPL will move on to other available
309 boot media to find a suitable image.
310
Andrew Davis360ec6a2022-05-04 15:52:25 -0500311config SPL_LEGACY_IMAGE_FORMAT
Andrew F. Davis74630342017-02-16 11:18:39 -0600312 bool "Support SPL loading and booting of Legacy images"
Andrew Davis4c1f4762022-05-04 15:52:26 -0500313 default y if !SPL_LOAD_FIT
314 depends on !TI_SECURE_DEVICE
Andrew F. Davis74630342017-02-16 11:18:39 -0600315 help
316 SPL will support loading and booting Legacy images when this option
317 is y. If this is not set, SPL will move on to other available
318 boot media to find a suitable image.
319
Simon Goldschmidt17140472019-02-10 21:34:37 +0100320config SPL_LEGACY_IMAGE_CRC_CHECK
321 bool "Check CRC of Legacy images"
Andrew Davis360ec6a2022-05-04 15:52:25 -0500322 depends on SPL_LEGACY_IMAGE_FORMAT
Simon Glassefc12232021-07-14 17:05:32 -0500323 select SPL_CRC32
Simon Goldschmidt17140472019-02-10 21:34:37 +0100324 help
325 Enable this to check the CRC of Legacy images. While this increases
326 reliability, it affects both code size and boot duration.
327 If disabled, Legacy images are booted if the image magic and size
328 are correct, without further integrity checks.
329
Simon Glassffe19762016-09-12 23:18:22 -0600330config SPL_SYS_MALLOC_SIMPLE
331 bool
Simon Glassffe19762016-09-12 23:18:22 -0600332 prompt "Only use malloc_simple functions in the SPL"
333 help
334 Say Y here to only use the *_simple malloc functions from
335 malloc_simple.c, rather then using the versions from dlmalloc.c;
336 this will make the SPL binary smaller at the cost of more heap
337 usage as the *_simple malloc functions do not re-use free-ed mem.
338
Philipp Tomsich0c8e75c2017-06-30 18:57:25 +0200339config TPL_SYS_MALLOC_SIMPLE
340 bool
341 prompt "Only use malloc_simple functions in the TPL"
Adam Ford43a1e2d2019-08-13 14:32:30 -0500342 depends on TPL
Philipp Tomsich0c8e75c2017-06-30 18:57:25 +0200343 help
344 Say Y here to only use the *_simple malloc functions from
345 malloc_simple.c, rather then using the versions from dlmalloc.c;
346 this will make the TPL binary smaller at the cost of more heap
347 usage as the *_simple malloc functions do not re-use free-ed mem.
348
Simon Glassffe19762016-09-12 23:18:22 -0600349config SPL_STACK_R
Simon Glassffe19762016-09-12 23:18:22 -0600350 bool "Enable SDRAM location for SPL stack"
351 help
352 SPL starts off execution in SRAM and thus typically has only a small
353 stack available. Since SPL sets up DRAM while in its board_init_f()
354 function, it is possible for the stack to move there before
355 board_init_r() is reached. This option enables a special SDRAM
356 location for the SPL stack. U-Boot SPL switches to this after
357 board_init_f() completes, and before board_init_r() starts.
358
359config SPL_STACK_R_ADDR
360 depends on SPL_STACK_R
361 hex "SDRAM location for SPL stack"
Tom Rinic37e0cf2017-09-17 11:44:49 -0400362 default 0x82000000 if ARCH_OMAP2PLUS
Simon Glassffe19762016-09-12 23:18:22 -0600363 help
364 Specify the address in SDRAM for the SPL stack. This will be set up
365 before board_init_r() is called.
366
367config SPL_STACK_R_MALLOC_SIMPLE_LEN
368 depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
369 hex "Size of malloc_simple heap after switching to DRAM SPL stack"
370 default 0x100000
371 help
372 Specify the amount of the stack to use as memory pool for
373 malloc_simple after switching the stack to DRAM. This may be set
374 to give board_init_r() a larger heap then the initial heap in
375 SRAM which is limited to SYS_MALLOC_F_LEN bytes.
376
377config SPL_SEPARATE_BSS
Simon Glassffe19762016-09-12 23:18:22 -0600378 bool "BSS section is in a different memory region from text"
379 help
380 Some platforms need a large BSS region in SPL and can provide this
381 because RAM is already set up. In this case BSS can be moved to RAM.
382 This option should then be enabled so that the correct device tree
383 location is used. Normally we put the device tree at the end of BSS
384 but with this option enabled, it goes at _image_binary_end.
385
Simon Glass5b21b342021-03-15 17:25:35 +1300386config SPL_READ_ONLY
387 bool
388 depends on SPL_OF_PLATDATA
389 # Bind cannot be supported because the udevice structs are in read-only
390 # memory so we cannot update the linked lists.
391 select SPL_OF_PLATDATA_NO_BIND
392 select SPL_OF_PLATDATA_RT
393 help
394 Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only
395 section of memory. This means that of-platdata must make a copy (in
396 writeable memory) of anything it wants to modify, such as
397 device-private data.
398
Simon Glass7eec8842022-04-30 00:56:52 -0600399config TPL_SEPARATE_BSS
400 bool "BSS section is in a different memory region from text"
401 default y if SPL_SEPARATE_BSS
402 help
403 Some platforms need a large BSS region in TPL and can provide this
404 because RAM is already set up. In this case BSS can be moved to RAM.
405 This option should then be enabled so that the correct device tree
406 location is used. Normally we put the device tree at the end of BSS
407 but with this option enabled, it goes at _image_binary_end.
408
Simon Glass6324cce2018-11-15 18:43:57 -0700409config SPL_BANNER_PRINT
410 bool "Enable output of the SPL banner 'U-Boot SPL ...'"
411 default y
412 help
413 If this option is enabled, SPL will print the banner with version
Thomas Hebbfd37f242019-11-13 18:18:03 -0800414 info. Disabling this option could be useful to reduce SPL boot time
Simon Glass6324cce2018-11-15 18:43:57 -0700415 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
416
417config TPL_BANNER_PRINT
418 bool "Enable output of the TPL banner 'U-Boot TPL ...'"
Adam Ford43a1e2d2019-08-13 14:32:30 -0500419 depends on TPL
Simon Glass6324cce2018-11-15 18:43:57 -0700420 default y
Anatolij Gustschin6fe74d22018-01-25 18:45:22 +0100421 help
Thomas Hebbfd37f242019-11-13 18:18:03 -0800422 If this option is enabled, TPL will print the banner with version
423 info. Disabling this option could be useful to reduce TPL boot time
Simon Glass6324cce2018-11-15 18:43:57 -0700424 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
Anatolij Gustschin6fe74d22018-01-25 18:45:22 +0100425
Andreas Dannenbergaa4ad4b2019-06-04 17:55:45 -0500426config SPL_EARLY_BSS
427 depends on ARM && !ARM64
428 bool "Allows initializing BSS early before entering board_init_f"
429 help
430 On some platform we have sufficient memory available early on to
431 allow setting up and using a basic BSS prior to entering
432 board_init_f. Activating this option will also de-activate the
433 clearing of BSS during the SPL relocation process, thus allowing
434 to carry state from board_init_f to board_init_r by way of BSS.
435
Simon Glassf481ab12016-09-24 18:19:56 -0600436config SPL_DISPLAY_PRINT
Simon Glassf481ab12016-09-24 18:19:56 -0600437 bool "Display a board-specific message in SPL"
438 help
439 If this option is enabled, U-Boot will call the function
440 spl_display_print() immediately after displaying the SPL console
441 banner ("U-Boot SPL ..."). This function should be provided by
442 the board.
443
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200444config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
445 bool "MMC raw mode: by sector"
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300446 default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \
447 ARCH_MX6 || ARCH_MX7 || \
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200448 ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
449 ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Bin Menge9ead4a2021-03-17 11:10:58 +0800450 OMAP44XX || OMAP54XX || AM33XX || AM43XX || \
Green Wan2e5da522021-05-27 06:52:13 -0700451 TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200452 help
453 Use sector number for specifying U-Boot location on MMC/SD in
454 raw mode.
455
456config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
457 hex "Address on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000458 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100459 default 0x40 if ARCH_SUNXI
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200460 default 0x75 if ARCH_DAVINCI
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300461 default 0x8a if ARCH_MX6 || ARCH_MX7
Kever Yang6cc131d2017-11-02 15:16:34 +0800462 default 0x100 if ARCH_UNIPHIER
Pali Rohárcf97b822021-07-23 11:14:29 +0200463 default 0x0 if ARCH_MVEBU
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200464 default 0x200 if ARCH_SOCFPGA || ARCH_AT91
465 default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530466 OMAP54XX || AM33XX || AM43XX || ARCH_K3
Kever Yang6cc131d2017-11-02 15:16:34 +0800467 default 0x4000 if ARCH_ROCKCHIP
Green Wan2e5da522021-05-27 06:52:13 -0700468 default 0x822 if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200469 help
470 Address on the MMC to load U-Boot from, when the MMC is being used
471 in raw mode. Units: MMC sectors (1 sector = 512 bytes).
472
Baruch Siachfef81be2020-01-15 09:08:08 +0200473config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET
474 hex "U-Boot main hardware partition image offset"
475 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100476 default 0x10 if ARCH_SUNXI
Baruch Siachfef81be2020-01-15 09:08:08 +0200477 default 0x0
478 help
479 On some platforms SPL location depends on hardware partition. The ROM
480 code skips the MBR sector when loading SPL from main hardware data
481 partition. This adds offset to the main U-Boot image. Set this symbol
482 to the number of skipped sectors.
483
484 If unsure, leave the default.
485
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800486config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
487 bool "MMC Raw mode: by partition"
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800488 help
489 Use a partition for loading U-Boot when using MMC/SD in raw mode.
490
491config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
492 hex "Partition to use to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000493 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800494 default 1
495 help
496 Partition on the MMC to load U-Boot from when the MMC is being
497 used in raw mode
498
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800499config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
500 bool "MMC raw mode: by partition type"
Tom Rini3c82f982017-05-22 19:21:57 +0000501 depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800502 help
503 Use partition type for specifying U-Boot partition on MMC/SD in
504 raw mode. U-Boot will be loaded from the first partition of this
505 type to be found.
506
507config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE
508 hex "Partition Type on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000509 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800510 help
511 Partition Type on the MMC to load U-Boot from, when the MMC is being
512 used in raw mode.
513
Anatolij Gustschin137b8732019-10-18 21:38:33 +0200514config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
515 bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition"
516 depends on SUPPORT_EMMC_BOOT
517 help
518 eMMC boot partition is normally configured by the bits of the EXT_CSD
519 register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some
520 cases it might be required in SPL to load the image from different
521 partition than the partition selected by EXT_CSC_PART_CONFIG register.
522 Enable this option if you intend to use an eMMC boot partition other
523 then selected via EXT_CSC_PART_CONFIG register and specify the custom
524 partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
525 option.
526
527config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
528 int "Number of the eMMC boot partition to use"
529 depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
530 default 1
531 help
532 eMMC boot partition number to use when the eMMC in raw mode and
533 the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL
534 by user defined partition number.
535
Simon Glassefc12232021-07-14 17:05:32 -0500536config SPL_CRC32
Simon Glass1e3911a2016-09-13 07:05:23 -0600537 bool "Support CRC32"
Andrew Davis360ec6a2022-05-04 15:52:25 -0500538 default y if SPL_LEGACY_IMAGE_FORMAT || SPL_EFI_PARTITION
Simon Glass577226c2021-09-25 19:43:24 -0600539 default y if SPL_ENV_SUPPORT || TPL_BLOBLIST
Simon Glass1e3911a2016-09-13 07:05:23 -0600540 help
Simon Goldschmidt17140472019-02-10 21:34:37 +0100541 Enable this to support CRC32 in uImages or FIT images within SPL.
542 This is a 32-bit checksum value that can be used to verify images.
543 For FIT images, this is the least secure type of checksum, suitable
544 for detected accidental image corruption. For secure applications you
545 should consider SHA1 or SHA256.
Simon Glass1e3911a2016-09-13 07:05:23 -0600546
Simon Glasse025c652021-07-14 17:05:33 -0500547config SPL_MD5
Simon Glass1e3911a2016-09-13 07:05:23 -0600548 bool "Support MD5"
549 depends on SPL_FIT
550 help
551 Enable this to support MD5 in FIT images within SPL. An MD5
552 checksum is a 128-bit hash value used to check that the image
553 contents have not been corrupted. Note that MD5 is not considered
554 secure as it is possible (with a brute-force attack) to adjust the
555 image while still retaining the same MD5 hash value. For secure
556 applications where images may be changed maliciously, you should
Reuben Dowle1908fd92020-04-16 17:36:52 +1200557 consider SHA256 or SHA384.
Simon Glass1e3911a2016-09-13 07:05:23 -0600558
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100559config SPL_FIT_IMAGE_TINY
560 bool "Remove functionality from SPL FIT loading to reduce size"
561 depends on SPL_FIT
Jernej Skrabecda8ae612021-01-11 21:11:34 +0100562 default y if MACH_SUN50I || MACH_SUN50I_H5 || SUN50I_GEN_H6
Ye Lid08aeb62018-11-20 10:19:15 +0000563 default y if ARCH_IMX8M
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100564 help
565 Enable this to reduce the size of the FIT image loading code
566 in SPL, if space for the SPL binary is very tight.
567
Samuel Hollande646f512020-10-21 21:12:13 -0500568 This skips the recording of each loaded payload
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100569 (i.e. loadable) into the FDT (modifying the loaded FDT to
570 ensure this information is available to the next image
571 invoked).
572
Simon Glassde3fd532021-08-08 12:20:15 -0600573config SPL_CACHE
Rick Chen8b4ee5f2019-11-14 13:52:26 +0800574 bool "Support CACHE drivers"
575 help
576 Enable CACHE drivers in SPL. These drivers can keep data so that
577 future requests for that data can be served faster. Enable this option
578 to build the drivers in drivers/cache as part of an SPL build.
579
Simon Glass2f002162021-03-15 18:11:18 +1300580config SPL_CPU
Simon Glasseca677f2017-01-16 07:03:29 -0700581 bool "Support CPU drivers"
Simon Glasseca677f2017-01-16 07:03:29 -0700582 help
583 Enable this to support CPU drivers in SPL. These drivers can set
584 up CPUs and provide information about them such as the model and
585 name. This can be useful in SPL since setting up the CPUs earlier
586 may improve boot performance. Enable this option to build the
587 drivers in drivers/cpu as part of an SPL build.
588
Simon Glassa8437ce2021-07-10 21:14:25 -0600589config SPL_CRYPTO
Simon Glass1e3911a2016-09-13 07:05:23 -0600590 bool "Support crypto drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600591 help
592 Enable crypto drivers in SPL. These drivers can be used to
593 accelerate secure boot processing in secure applications. Enable
594 this option to build the drivers in drivers/crypto as part of an
595 SPL build.
596
Vignesh Raghavendra3d2ba9c2019-11-15 17:00:41 +0530597config SPL_DMA
Simon Glass1e3911a2016-09-13 07:05:23 -0600598 bool "Support DMA drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600599 help
600 Enable DMA (direct-memory-access) drivers in SPL. These drivers
601 can be used to handle memory-to-peripheral data transfer without
602 the CPU moving the data. Enable this option to build the drivers
603 in drivers/dma as part of an SPL build.
604
Simon Glass284cb9c2021-07-10 21:14:31 -0600605config SPL_DRIVERS_MISC
Simon Glass1e3911a2016-09-13 07:05:23 -0600606 bool "Support misc drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600607 help
608 Enable miscellaneous drivers in SPL. These drivers perform various
609 tasks that don't fall nicely into other categories, Enable this
610 option to build the drivers in drivers/misc as part of an SPL
611 build, for those that support building in SPL (not all drivers do).
612
613config SPL_ENV_SUPPORT
614 bool "Support an environment"
Simon Glass1e3911a2016-09-13 07:05:23 -0600615 help
616 Enable environment support in SPL. The U-Boot environment provides
617 a number of settings (essentially name/value pairs) which can
618 control many aspects of U-Boot's operation. Normally this is not
619 needed in SPL as it has a much simpler task with less
620 configuration. But some boards use this to support 'Falcon' boot
621 on EXT2 and FAT, where SPL boots directly into Linux without
Simon Glass64b723f2017-08-03 12:22:12 -0600622 starting U-Boot first. Enabling this option will make env_get()
Simon Glass6a38e412017-08-03 12:22:09 -0600623 and env_set() available in SPL.
Simon Glass1e3911a2016-09-13 07:05:23 -0600624
B, Ravie94b0242016-09-28 14:46:18 +0530625config SPL_SAVEENV
626 bool "Support save environment"
Tom Rini3c82f982017-05-22 19:21:57 +0000627 depends on SPL_ENV_SUPPORT
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100628 select SPL_MMC_WRITE if ENV_IS_IN_MMC
B, Ravie94b0242016-09-28 14:46:18 +0530629 help
630 Enable save environment support in SPL after setenv. By default
631 the saveenv option is not provided in SPL, but some boards need
632 this support in 'Falcon' boot, where SPL need to boot from
633 different images based on environment variable set by OS. For
634 example OS may set "reboot_image" environment variable to
635 "recovery" inorder to boot recovery image by SPL. The SPL read
636 "reboot_image" and act accordingly and change the reboot_image
Shyam Sainiefe757c2018-06-07 19:47:19 +0530637 to default mode using setenv and save the environment.
B, Ravie94b0242016-09-28 14:46:18 +0530638
Simon Glasse5cd9a42021-07-10 21:14:26 -0600639config SPL_ETH
Simon Glass1e3911a2016-09-13 07:05:23 -0600640 bool "Support Ethernet"
641 depends on SPL_ENV_SUPPORT
Simon Glass1d926242021-08-08 12:20:31 -0600642 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -0600643 help
644 Enable access to the network subsystem and associated Ethernet
645 drivers in SPL. This permits SPL to load U-Boot over an Ethernet
646 link rather than from an on-board peripheral. Environment support
647 is required since the network stack uses a number of environment
Simon Glass041a0ac2021-08-08 12:20:30 -0600648 variables. See also SPL_NET.
Simon Glass1e3911a2016-09-13 07:05:23 -0600649
Tien Fong Chee6091dd12019-01-23 14:20:05 +0800650config SPL_FS_EXT4
Simon Glass1e3911a2016-09-13 07:05:23 -0600651 bool "Support EXT filesystems"
Simon Glass1e3911a2016-09-13 07:05:23 -0600652 help
653 Enable support for EXT2/3/4 filesystems with SPL. This permits
654 U-Boot (or Linux in Falcon mode) to be loaded from an EXT
655 filesystem from within SPL. Support for the underlying block
656 device (e.g. MMC or USB) must be enabled separately.
657
Joao Marcos Costa29da3742020-07-30 15:33:47 +0200658config SPL_FS_SQUASHFS
659 bool "Support SquashFS filesystems"
660 select FS_SQUASHFS
661 help
662 Enable support for SquashFS filesystems with SPL. This permits
663 U-Boot (or Linux in Falcon mode) to be loaded from a SquashFS
664 filesystem from within SPL. Support for the underlying block
665 device (e.g. MMC or USB) must be enabled separately.
666
Tien Fong Chee6fd0a712019-01-23 14:20:03 +0800667config SPL_FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600668 bool "Support FAT filesystems"
Sekhar Nori1909a7b2017-06-02 17:53:59 +0530669 select FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600670 help
671 Enable support for FAT and VFAT filesystems with SPL. This
672 permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
673 filesystem from within SPL. Support for the underlying block
674 device (e.g. MMC or USB) must be enabled separately.
675
Tom Rinia4f2ab92022-05-13 17:12:35 -0400676config SPL_FS_LOAD_PAYLOAD_NAME
677 string "File to load for U-Boot from the filesystem"
678 depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS
679 default "tispl.bin" if SYS_K3_SPL_ATF
680 default "u-boot.itb" if SPL_LOAD_FIT
681 default "u-boot.img"
682 help
683 Filename to read to load U-Boot when reading from filesystem.
684
685config SPL_FS_LOAD_KERNEL_NAME
686 string "File to load for the OS kernel from the filesystem"
687 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
688 default "uImage"
689 help
690 Filename to read to load for the OS kernel when reading from the
691 filesystem.
692
693config SPL_FS_LOAD_ARGS_NAME
694 string "File to load for the OS kernel argument parameters from the filesystem"
695 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
696 default "args"
697 help
698 Filename to read to load for the OS kernel argument parameters from
699 the filesystem.
700
Tien Fong Chee87fda0c2019-01-23 14:20:04 +0800701config SPL_FAT_WRITE
702 bool "Support write for FAT filesystems"
703 help
704 Enable write support for FAT and VFAT filesystems with SPL.
705 Support for the underlying block device (e.g. MMC or USB) must be
706 enabled separately.
707
Michal Simek1aab1142020-09-09 14:41:56 +0200708config SPL_FPGA
Simon Glass1e3911a2016-09-13 07:05:23 -0600709 bool "Support FPGAs"
Simon Glass1e3911a2016-09-13 07:05:23 -0600710 help
711 Enable support for FPGAs in SPL. Field-programmable Gate Arrays
712 provide software-configurable hardware which is typically used to
713 implement peripherals (such as UARTs, LCD displays, MMC) or
714 accelerate custom processing functions, such as image processing
715 or machine learning. Sometimes it is useful to program the FPGA
716 as early as possible during boot, and this option can enable that
717 within SPL.
718
Simon Glass035939e2021-07-10 21:14:30 -0600719config SPL_GPIO
Simon Glass592d5b92018-11-15 18:43:55 -0700720 bool "Support GPIO in SPL"
Simon Glass1e3911a2016-09-13 07:05:23 -0600721 help
722 Enable support for GPIOs (General-purpose Input/Output) in SPL.
723 GPIOs allow U-Boot to read the state of an input line (high or
724 low) and set the state of an output line. This can be used to
725 drive LEDs, control power to various system parts and read user
726 input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
727 for example. Enable this option to build the drivers in
728 drivers/gpio as part of an SPL build.
729
Simon Glassbccfc2e2021-07-10 21:14:36 -0600730config SPL_I2C
Simon Glass1e3911a2016-09-13 07:05:23 -0600731 bool "Support I2C"
Simon Glass1e3911a2016-09-13 07:05:23 -0600732 help
733 Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
734 I2C works with a clock and data line which can be driven by a
735 one or more masters or slaves. It is a fairly complex bus but is
736 widely used as it only needs two lines for communication. Speeds of
737 400kbps are typical but up to 3.4Mbps is supported by some
738 hardware. I2C can be useful in SPL to configure power management
739 ICs (PMICs) before raising the CPU clock speed, for example.
740 Enable this option to build the drivers in drivers/i2c as part of
741 an SPL build.
742
743config SPL_LIBCOMMON_SUPPORT
744 bool "Support common libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600745 help
746 Enable support for common U-Boot libraries within SPL. These
747 libraries include common code to deal with U-Boot images,
748 environment and USB, for example. This option is enabled on many
749 boards. Enable this option to build the code in common/ as part of
750 an SPL build.
751
752config SPL_LIBDISK_SUPPORT
Simon Goldschmidt62067052018-08-16 09:44:55 +0200753 bool "Support disk partitions"
Tom Rini1794ae62018-12-05 08:23:38 -0500754 select PARTITIONS
Simon Glass1e3911a2016-09-13 07:05:23 -0600755 help
756 Enable support for disk partitions within SPL. 'Disk' is something
757 of a misnomer as it includes non-spinning media such as flash (as
758 used in MMC and USB sticks). Partitions provide a way for a disk
759 to be split up into separate regions, with a partition table placed
760 at the start or end which describes the location and size of each
761 'partition'. These partitions are typically uses as individual block
762 devices, typically with an EXT2 or FAT filesystem in each. This
763 option enables whatever partition support has been enabled in
764 U-Boot to also be used in SPL. It brings in the code in disk/.
765
766config SPL_LIBGENERIC_SUPPORT
767 bool "Support generic libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600768 help
769 Enable support for generic U-Boot libraries within SPL. These
770 libraries include generic code to deal with device tree, hashing,
771 printf(), compression and the like. This option is enabled on many
772 boards. Enable this option to build the code in lib/ as part of an
773 SPL build.
774
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530775config SPL_DM_MAILBOX
776 bool "Support Mailbox"
777 help
778 Enable support for Mailbox within SPL. This enable the inter
779 processor communication protocols tobe used within SPL. Enable
780 this option to build the drivers in drivers/mailbox as part of
781 SPL build.
782
Simon Glassb58bfe02021-08-08 12:20:09 -0600783config SPL_MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600784 bool "Support MMC"
Tom Rini3c82f982017-05-22 19:21:57 +0000785 depends on MMC
Tom Rini1794ae62018-12-05 08:23:38 -0500786 select HAVE_BLOCK_DEVICE
Simon Glass1e3911a2016-09-13 07:05:23 -0600787 help
788 Enable support for MMC (Multimedia Card) within SPL. This enables
789 the MMC protocol implementation and allows any enabled drivers to
790 be used within SPL. MMC can be used with or without disk partition
791 support depending on the application (SPL_LIBDISK_SUPPORT). Enable
792 this option to build the drivers in drivers/mmc as part of an SPL
793 build.
794
Adam Ford98a87cf2020-07-03 10:17:30 -0500795config SYS_MMCSD_FS_BOOT_PARTITION
796 int "MMC Boot Partition"
797 default 1
798 help
799 Partition on the MMC to load U-Boot from when the MMC is being
Jérôme Carreterod0a8e592022-03-15 16:34:51 -0400800 used in fs mode.
801 Use -1 as a special value to use the first bootable partition.
Adam Ford98a87cf2020-07-03 10:17:30 -0500802
Ezequiel Garcia66983182019-05-25 19:25:21 -0300803config SPL_MMC_TINY
804 bool "Tiny MMC framework in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600805 depends on SPL_MMC
Ezequiel Garcia66983182019-05-25 19:25:21 -0300806 help
807 Enable MMC framework tinification support. This option is useful if
808 if your SPL is extremely size constrained. Heed the warning, enable
809 this option if and only if you know exactly what you are doing, if
810 you are reading this help text, you most likely have no idea :-)
811
812 The MMC framework is reduced to bare minimum to be useful. No malloc
813 support is needed for the MMC framework operation with this option
814 enabled. The framework supports exactly one MMC device and exactly
815 one MMC driver. The MMC driver can be adjusted to avoid any malloc
816 operations too, which can remove the need for malloc support in SPL
817 and thus further reduce footprint.
818
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100819config SPL_MMC_WRITE
820 bool "MMC/SD/SDIO card support for write operations in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600821 depends on SPL_MMC
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100822 help
823 Enable write access to MMC and SD Cards in SPL
824
825
Simon Glass64571062021-08-08 12:20:16 -0600826config SPL_MPC8XXX_INIT_DDR
Simon Glass1e3911a2016-09-13 07:05:23 -0600827 bool "Support MPC8XXX DDR init"
Simon Glass1e3911a2016-09-13 07:05:23 -0600828 help
829 Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
830 random-access memory) on the MPC8XXX family within SPL. This
831 allows DRAM to be set up before loading U-Boot into that DRAM,
832 where it can run.
833
834config SPL_MTD_SUPPORT
835 bool "Support MTD drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600836 help
837 Enable support for MTD (Memory Technology Device) within SPL. MTD
838 provides a block interface over raw NAND and can also be used with
839 SPI flash. This allows SPL to load U-Boot from supported MTD
840 devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how
841 to enable specific MTD drivers.
842
Simon Glass762b9972021-07-10 21:14:27 -0600843config SPL_MUSB_NEW
Simon Glass1e3911a2016-09-13 07:05:23 -0600844 bool "Support new Mentor Graphics USB"
Simon Glass1e3911a2016-09-13 07:05:23 -0600845 help
846 Enable support for Mentor Graphics USB in SPL. This is a new
847 driver used by some boards. Enable this option to build
848 the drivers in drivers/usb/musb-new as part of an SPL build. The
849 old drivers are in drivers/usb/musb.
850
851config SPL_NAND_SUPPORT
852 bool "Support NAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -0600853 help
854 Enable support for NAND (Negative AND) flash in SPL. NAND flash
855 can be used to allow SPL to load U-Boot from supported devices.
Miquel Raynal1f1ae152018-08-16 17:30:07 +0200856 This enables the drivers in drivers/mtd/nand/raw as part of an SPL
Simon Glass1e3911a2016-09-13 07:05:23 -0600857 build.
858
Tom Rini2d03b912022-05-13 12:46:23 -0400859config SPL_NAND_RAW_ONLY
860 bool "Support to boot only raw u-boot.bin images"
861 depends on SPL_NAND_SUPPORT
862 help
863 Use this only if you need to save space.
864
Adam Ford3a383772020-07-03 08:09:44 -0500865config SPL_NAND_DRIVERS
866 bool "Use standard NAND driver"
867 help
868 SPL uses normal NAND drivers, not minimal drivers.
869
870config SPL_NAND_ECC
Tom Rini2d03b912022-05-13 12:46:23 -0400871 bool "Include standard ECC in SPL"
872
873config SPL_NAND_SOFTECC
874 bool "Use software ECC in SPL"
875 depends on SPL_NAND_ECC
Adam Ford3a383772020-07-03 08:09:44 -0500876
877config SPL_NAND_SIMPLE
878 bool "Support simple NAND drivers in SPL"
879 help
880 Support for NAND boot using simple NAND drivers that
881 expose the cmd_ctrl() interface.
882
Adam Ford5e56ad02020-07-03 08:09:45 -0500883config SPL_NAND_BASE
884 depends on SPL_NAND_DRIVERS
885 bool "Use Base NAND Driver"
Michal Simek0606f9e2021-05-20 13:08:44 +0200886 help
887 Include nand_base.c in the SPL.
Adam Ford5e56ad02020-07-03 08:09:45 -0500888
889config SPL_NAND_IDENT
890 depends on SPL_NAND_BASE
891 bool "Use chip ID to identify NAND flash"
892 help
893 SPL uses the chip ID list to identify the NAND flash.
894
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200895config SPL_UBI
896 bool "Support UBI"
897 help
898 Enable support for loading payloads from UBI. See
899 README.ubispl for more info.
900
Lukasz Majewski7766ce02019-09-09 12:06:46 +0200901if SPL_DM
902config SPL_DM_SPI
903 bool "Support SPI DM drivers in SPL"
904 help
905 Enable support for SPI DM drivers in SPL.
906
Lukasz Majewski76f442982020-06-04 23:11:53 +0800907config SPL_DM_SPI_FLASH
908 bool "Support SPI DM FLASH drivers in SPL"
909 help
910 Enable support for SPI DM flash drivers in SPL.
911
Lukasz Majewski7766ce02019-09-09 12:06:46 +0200912endif
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200913if SPL_UBI
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200914config SPL_UBI_LOAD_BY_VOLNAME
915 bool "Support loading volumes by name"
916 help
917 This enables support for loading UBI volumes by name. When this
918 is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to
919 configure the volume name from which to load U-Boot.
920
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200921config SPL_UBI_MAX_VOL_LEBS
922 int "Maximum number of LEBs per volume"
923 depends on SPL_UBI
924 help
925 The maximum number of logical eraseblocks which a static volume
926 to load can contain. Used for sizing the scan data structure.
927
928config SPL_UBI_MAX_PEB_SIZE
929 int "Maximum PEB size"
930 depends on SPL_UBI
931 help
932 The maximum physical erase block size.
933
934config SPL_UBI_MAX_PEBS
935 int "Maximum number of PEBs"
936 depends on SPL_UBI
937 help
938 The maximum physical erase block size. If not overridden by
939 board code, this value will be used as the actual number of PEBs.
940
941config SPL_UBI_PEB_OFFSET
942 int "Offset to first UBI PEB"
943 depends on SPL_UBI
944 help
945 The offset in number of PEBs from the start of flash to the first
946 PEB part of the UBI image.
947
948config SPL_UBI_VID_OFFSET
949 int "Offset to VID header"
950 depends on SPL_UBI
951
952config SPL_UBI_LEB_START
953 int "Offset to LEB in PEB"
954 depends on SPL_UBI
955 help
956 The offset in bytes to the LEB within a PEB.
957
958config SPL_UBI_INFO_ADDR
959 hex "Address to place UBI scan info"
960 depends on SPL_UBI
961 help
962 Address for ubispl to place the scan info. Read README.ubispl to
963 determine the required size
964
965config SPL_UBI_VOL_IDS
966 int "Maximum volume id"
967 depends on SPL_UBI
968 help
969 The maximum volume id which can be loaded. Used for sizing the
970 scan data structure.
971
972config SPL_UBI_LOAD_MONITOR_ID
973 int "id of U-Boot volume"
974 depends on SPL_UBI
975 help
976 The UBI volume id from which to load U-Boot
977
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200978config SPL_UBI_LOAD_MONITOR_VOLNAME
979 string "volume name of U-Boot volume"
980 depends on SPL_UBI_LOAD_BY_VOLNAME
981 help
982 The UBI volume name from which to load U-Boot
983
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200984config SPL_UBI_LOAD_KERNEL_ID
985 int "id of kernel volume"
986 depends on SPL_OS_BOOT && SPL_UBI
987 help
988 The UBI volume id from which to load the kernel
989
990config SPL_UBI_LOAD_ARGS_ID
991 int "id of kernel args volume"
992 depends on SPL_OS_BOOT && SPL_UBI
993 help
994 The UBI volume id from which to load the device tree
995
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +0200996config UBI_SPL_SILENCE_MSG
997 bool "silence UBI SPL messages"
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +0200998 help
999 Disable messages from UBI SPL. This leaves warnings
1000 and errors enabled.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001001
1002endif # if SPL_UBI
1003
Simon Glass041a0ac2021-08-08 12:20:30 -06001004config SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001005 bool "Support networking"
Simon Glass1e3911a2016-09-13 07:05:23 -06001006 help
1007 Enable support for network devices (such as Ethernet) in SPL.
1008 This permits SPL to load U-Boot over a network link rather than
1009 from an on-board peripheral. Environment support is required since
1010 the network stack uses a number of environment variables. See also
Simon Glasse5cd9a42021-07-10 21:14:26 -06001011 SPL_ETH.
Simon Glass1e3911a2016-09-13 07:05:23 -06001012
Simon Glass041a0ac2021-08-08 12:20:30 -06001013if SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001014config SPL_NET_VCI_STRING
1015 string "BOOTP Vendor Class Identifier string sent by SPL"
1016 help
1017 As defined by RFC 2132 the vendor class identifier field can be
1018 sent by the client to identify the vendor type and configuration
1019 of a client. This is often used in practice to allow for the DHCP
1020 server to specify different files to load depending on if the ROM,
1021 SPL or U-Boot itself makes the request
Simon Glass041a0ac2021-08-08 12:20:30 -06001022endif # if SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001023
1024config SPL_NO_CPU_SUPPORT
1025 bool "Drop CPU code in SPL"
Simon Glass1e3911a2016-09-13 07:05:23 -06001026 help
1027 This is specific to the ARM926EJ-S CPU. It disables the standard
1028 start.S start-up code, presumably so that a replacement can be
1029 used on that CPU. You should not enable it unless you know what
1030 you are doing.
1031
1032config SPL_NOR_SUPPORT
1033 bool "Support NOR flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001034 help
1035 Enable support for loading U-Boot from memory-mapped NOR (Negative
1036 OR) flash in SPL. NOR flash is slow to write but fast to read, and
1037 a memory-mapped device makes it very easy to access. Loading from
1038 NOR is typically achieved with just a memcpy().
1039
Vikas Manocha9e582652017-05-28 12:55:11 -07001040config SPL_XIP_SUPPORT
1041 bool "Support XIP"
1042 depends on SPL
1043 help
1044 Enable support for execute in place of U-Boot or kernel image. There
1045 is no need to copy image from flash to ram if flash supports execute
1046 in place. Its very useful in systems having enough flash but not
1047 enough ram to load the image.
1048
Simon Glass1e3911a2016-09-13 07:05:23 -06001049config SPL_ONENAND_SUPPORT
1050 bool "Support OneNAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001051 help
1052 Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is
1053 a type of NAND flash and therefore can be used to allow SPL to
1054 load U-Boot from supported devices. This enables the drivers in
1055 drivers/mtd/onenand as part of an SPL build.
1056
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001057config SPL_OS_BOOT
1058 bool "Activate Falcon Mode"
Tom Rini3c82f982017-05-22 19:21:57 +00001059 depends on !TI_SECURE_DEVICE
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001060 help
1061 Enable booting directly to an OS from SPL.
1062 for more info read doc/README.falcon
1063
Heiko Schocher65928932016-10-06 07:55:16 +02001064if SPL_OS_BOOT
1065config SYS_OS_BASE
1066 hex "addr, where OS is found"
Tom Rini3c82f982017-05-22 19:21:57 +00001067 depends on SPL_NOR_SUPPORT
Heiko Schocher65928932016-10-06 07:55:16 +02001068 help
1069 Specify the address, where the OS image is found, which
1070 gets booted.
1071
1072endif # SPL_OS_BOOT
1073
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001074config SPL_FALCON_BOOT_MMCSD
1075 bool "Enable Falcon boot from MMC or SD media"
1076 depends on SPL_OS_BOOT && SPL_MMC
1077 help
1078 Select this if the Falcon mode OS image mode is on MMC or SD media.
1079
1080config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
1081 hex "Falcon mode: Sector to load kernel uImage from MMC"
1082 depends on SPL_FALCON_BOOT_MMCSD
1083 help
1084 When Falcon mode is used with an MMC or SD media, SPL needs to know
1085 where to look for the kernel uImage. The image is expected to begin
1086 at the raw MMC specified in this config.
1087 Note that the Falcon mode image can also be a FIT, if FIT support is
1088 enabled.
1089
York Sun53492672018-06-14 14:38:48 -07001090config SPL_PAYLOAD
1091 string "SPL payload"
1092 default "tpl/u-boot-with-tpl.bin" if TPL
1093 default "u-boot.bin"
1094 help
Chris Packham37bc3162019-01-13 22:13:20 +13001095 Payload for SPL boot. For backward compatibility, default to
York Sun53492672018-06-14 14:38:48 -07001096 u-boot.bin, i.e. RAW image without any header. In case of
1097 TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to
1098 use u-boot.img.
1099
Sekhar Nori9108d922018-12-06 15:40:08 +05301100config SPL_PCI
Simon Glass6569f3a2017-01-16 07:03:30 -07001101 bool "Support PCI drivers"
Simon Glass6569f3a2017-01-16 07:03:30 -07001102 help
1103 Enable support for PCI in SPL. For platforms that need PCI to boot,
1104 or must perform some init using PCI in SPL, this provides the
1105 necessary driver support. This enables the drivers in drivers/pci
1106 as part of an SPL build.
1107
Simon Glassff67f232021-08-08 12:20:10 -06001108config SPL_PCH
Simon Glass36258a52017-01-16 07:03:33 -07001109 bool "Support PCH drivers"
Simon Glass36258a52017-01-16 07:03:33 -07001110 help
1111 Enable support for PCH (Platform Controller Hub) devices in SPL.
1112 These are used to set up GPIOs and the SPI peripheral early in
1113 boot. This enables the drivers in drivers/pch as part of an SPL
1114 build.
1115
Simon Glass1e3911a2016-09-13 07:05:23 -06001116config SPL_POST_MEM_SUPPORT
1117 bool "Support POST drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001118 help
1119 Enable support for POST (Power-on Self Test) in SPL. POST is a
1120 procedure that checks that the hardware (CPU or board) appears to
1121 be functionally correctly. It is a sanity check that can be
1122 performed before booting. This enables the drivers in post/drivers
1123 as part of an SPL build.
1124
Ley Foon Tan9caf7122018-06-14 18:45:19 +08001125config SPL_DM_RESET
Patrick Delaunay329827a2018-03-12 10:46:05 +01001126 bool "Support reset drivers"
1127 depends on SPL
1128 help
1129 Enable support for reset control in SPL.
1130 That can be useful in SPL to handle IP reset in driver, as in U-Boot,
1131 by using the generic reset API provided by driver model.
1132 This enables the drivers in drivers/reset as part of an SPL build.
1133
Simon Glasse91ac4c2021-07-10 21:14:24 -06001134config SPL_POWER
Simon Glass1e3911a2016-09-13 07:05:23 -06001135 bool "Support power drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001136 help
1137 Enable support for power control in SPL. This includes support
1138 for PMICs (Power-management Integrated Circuits) and some of the
1139 features provided by PMICs. In particular, voltage regulators can
1140 be used to enable/disable power and vary its voltage. That can be
1141 useful in SPL to turn on boot peripherals and adjust CPU voltage
1142 so that the clock speed can be increased. This enables the drivers
1143 in drivers/power, drivers/power/pmic and drivers/power/regulator
1144 as part of an SPL build.
1145
Peng Fan3775fed2018-07-27 10:20:37 +08001146config SPL_POWER_DOMAIN
1147 bool "Support power domain drivers"
Simon Glassa0e44872021-08-08 12:20:29 -06001148 select SPL_POWER
Peng Fan3775fed2018-07-27 10:20:37 +08001149 help
1150 Enable support for power domain control in SPL. Many SoCs allow
1151 power to be applied to or removed from portions of the SoC (power
1152 domains). This may be used to save power. This API provides the
1153 means to control such power management hardware. This enables
1154 the drivers in drivers/power/domain as part of a SPL build.
1155
Stefan Agnercd01e642016-12-23 07:51:53 +01001156config SPL_RAM_SUPPORT
1157 bool "Support booting from RAM"
Trevor Woerner513f6402020-05-06 08:02:41 -04001158 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnercd01e642016-12-23 07:51:53 +01001159 help
1160 Enable booting of an image in RAM. The image can be preloaded or
1161 it can be loaded by SPL directly into RAM (e.g. using USB).
1162
Stefan Agnere2eaac12016-12-23 07:51:52 +01001163config SPL_RAM_DEVICE
1164 bool "Support booting from preloaded image in RAM"
Stefan Agnercd01e642016-12-23 07:51:53 +01001165 depends on SPL_RAM_SUPPORT
Trevor Woerner513f6402020-05-06 08:02:41 -04001166 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnere2eaac12016-12-23 07:51:52 +01001167 help
1168 Enable booting of an image already loaded in RAM. The image has to
1169 be already in memory when SPL takes over, e.g. loaded by the boot
1170 ROM.
1171
Lokesh Vutla1a6f8e02018-08-27 15:57:53 +05301172config SPL_REMOTEPROC
1173 bool "Support REMOTEPROCS"
1174 help
1175 Enable support for REMOTEPROCs in SPL. This permits to load
1176 a remote processor firmware in SPL.
1177
Simon Glass31985312021-08-08 12:20:11 -06001178config SPL_RTC
Simon Glassb69691b2017-01-16 07:03:31 -07001179 bool "Support RTC drivers"
Simon Glassb69691b2017-01-16 07:03:31 -07001180 help
1181 Enable RTC (Real-time Clock) support in SPL. This includes support
1182 for reading and setting the time. Some RTC devices also have some
1183 non-volatile (battery-backed) memory which is accessible if
1184 needed. This enables the drivers in drivers/rtc as part of an SPL
1185 build.
1186
Simon Glass081a45a2021-08-08 12:20:17 -06001187config SPL_SATA
Simon Glass1e3911a2016-09-13 07:05:23 -06001188 bool "Support loading from SATA"
Simon Glass1e3911a2016-09-13 07:05:23 -06001189 help
1190 Enable support for SATA (Serial AT attachment) in SPL. This allows
1191 use of SATA devices such as hard drives and flash drivers for
1192 loading U-Boot. SATA is used in higher-end embedded systems and
1193 can provide higher performance than MMC , at somewhat higher
1194 expense and power consumption. This enables loading from SATA
1195 using a configured device.
1196
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001197config SPL_SATA_RAW_U_BOOT_USE_SECTOR
1198 bool "SATA raw mode: by sector"
Simon Glass081a45a2021-08-08 12:20:17 -06001199 depends on SPL_SATA
Pali Rohárcf97b822021-07-23 11:14:29 +02001200 default y if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001201 help
1202 Use sector number for specifying U-Boot location on SATA disk in
1203 raw mode.
1204
1205config SPL_SATA_RAW_U_BOOT_SECTOR
1206 hex "Sector on the SATA disk to load U-Boot from"
1207 depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR
Pali Rohárcf97b822021-07-23 11:14:29 +02001208 default 0x1 if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001209 help
1210 Sector on the SATA disk to load U-Boot from, when the SATA disk is being
1211 used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes).
1212
Simon Glassf4d60392021-08-08 12:20:12 -06001213config SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001214 bool "Support serial"
Alex Kiernan5b404282018-04-19 04:32:54 +00001215 select SPL_PRINTF
1216 select SPL_STRTO
Simon Glass1e3911a2016-09-13 07:05:23 -06001217 help
1218 Enable support for serial in SPL. This allows use of a serial UART
1219 for displaying messages while SPL is running. It also brings in
1220 printf() and panic() functions. This should normally be enabled
1221 unless there are space reasons not to. Even then, consider
Simon Glass7611ac62019-09-25 08:56:27 -06001222 enabling SPL_USE_TINY_PRINTF which is a small printf() version.
Simon Glass1e3911a2016-09-13 07:05:23 -06001223
Simon Glassa5820472021-08-08 12:20:14 -06001224config SPL_SPI
Simon Goldschmidt3a025332019-10-25 16:22:09 +02001225 bool "Support SPI drivers"
1226 help
1227 Enable support for using SPI in SPL. This is used for connecting
1228 to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
1229 more details on that. The SPI driver provides the transport for
1230 data between the SPI flash and the CPU. This option can be used to
1231 enable SPI drivers that are needed for other purposes also, such
1232 as a SPI PMIC.
1233
Simon Glass1e3911a2016-09-13 07:05:23 -06001234config SPL_SPI_FLASH_SUPPORT
1235 bool "Support SPI flash drivers"
Simon Glassa5820472021-08-08 12:20:14 -06001236 depends on SPL_SPI
Simon Glass1e3911a2016-09-13 07:05:23 -06001237 help
1238 Enable support for using SPI flash in SPL, and loading U-Boot from
1239 SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
1240 the SPI bus that is used to connect it to a system. It is a simple
1241 but fast bidirectional 4-wire bus (clock, chip select and two data
1242 lines). This enables the drivers in drivers/mtd/spi as part of an
Simon Glassa5820472021-08-08 12:20:14 -06001243 SPL build. This normally requires SPL_SPI.
Simon Glass1e3911a2016-09-13 07:05:23 -06001244
Vignesh R4d848c92019-02-05 11:29:20 +05301245if SPL_SPI_FLASH_SUPPORT
1246
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301247config SPL_SPI_FLASH_TINY
1248 bool "Enable low footprint SPL SPI Flash support"
1249 depends on !SPI_FLASH_BAR
Vignesh Rf53872d2019-02-05 11:29:26 +05301250 default y if SPI_FLASH
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301251 help
1252 Enable lightweight SPL SPI Flash support that supports just reading
1253 data/images from flash. No support to write/erase flash. Enable
1254 this if you have SPL size limitations and don't need full
1255 fledged SPI flash support.
1256
Vignesh R4d848c92019-02-05 11:29:20 +05301257config SPL_SPI_FLASH_SFDP_SUPPORT
1258 bool "SFDP table parsing support for SPI NOR flashes"
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301259 depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY
Vignesh R4d848c92019-02-05 11:29:20 +05301260 help
1261 Enable support for parsing and auto discovery of parameters for
1262 SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP)
1263 tables as per JESD216 standard in SPL.
1264
Lukasz Majewski76f442982020-06-04 23:11:53 +08001265config SPL_SPI_FLASH_MTD
1266 bool "Support for SPI flash MTD drivers in SPL"
1267 help
1268 Enable support for SPI flash MTD drivers in SPL.
1269
Marek Vasute2542252018-04-07 16:05:27 +02001270config SPL_SPI_LOAD
1271 bool "Support loading from SPI flash"
Marek Vasute2542252018-04-07 16:05:27 +02001272 help
1273 Enable support for loading next stage, U-Boot or otherwise, from
1274 SPI NOR in U-Boot SPL.
1275
Vignesh R4d848c92019-02-05 11:29:20 +05301276endif # SPL_SPI_FLASH_SUPPORT
1277
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001278config SYS_SPI_U_BOOT_OFFS
1279 hex "address of u-boot payload in SPI flash"
Andre Przywarae6d9fc02020-01-06 01:29:10 +00001280 default 0x8000 if ARCH_SUNXI
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001281 default 0x0
1282 depends on SPL_SPI_LOAD || SPL_SPI_SUNXI
1283 help
1284 Address within SPI-Flash from where the u-boot payload is fetched
1285 from.
1286
Faiz Abbasae1627c2017-11-14 16:12:31 +05301287config SPL_THERMAL
1288 bool "Driver support for thermal devices"
1289 help
1290 Enable support for temperature-sensing devices. Some SoCs have on-chip
1291 temperature sensors to permit warnings, speed throttling or even
1292 automatic power-off when the temperature gets too high or low. Other
1293 devices may be discrete but connected on a suitable bus.
1294
Simon Glass1f2440c2021-07-10 21:14:29 -06001295config SPL_USB_HOST
Simon Glass1e3911a2016-09-13 07:05:23 -06001296 bool "Support USB host drivers"
Tom Rini1794ae62018-12-05 08:23:38 -05001297 select HAVE_BLOCK_DEVICE
Simon Glass1e3911a2016-09-13 07:05:23 -06001298 help
1299 Enable access to USB (Universal Serial Bus) host devices so that
1300 SPL can load U-Boot from a connected USB peripheral, such as a USB
1301 flash stick. While USB takes a little longer to start up than most
1302 buses, it is very flexible since many different types of storage
1303 device can be attached. This option enables the drivers in
1304 drivers/usb/host as part of an SPL build.
1305
Abel Vesa5ea11ba52019-02-01 16:40:07 +00001306config SPL_USB_STORAGE
Simon Glass1e3911a2016-09-13 07:05:23 -06001307 bool "Support loading from USB"
Simon Glass1f2440c2021-07-10 21:14:29 -06001308 depends on SPL_USB_HOST && !(BLK && !DM_USB)
Simon Glass1e3911a2016-09-13 07:05:23 -06001309 help
1310 Enable support for USB devices in SPL. This allows use of USB
1311 devices such as hard drives and flash drivers for loading U-Boot.
1312 The actual drivers are enabled separately using the normal U-Boot
1313 config options. This enables loading from USB using a configured
1314 device.
1315
Jean-Jacques Hiblot6a228522019-01-10 15:44:13 +01001316config SPL_USB_GADGET
Stefan Agner0489c3b2016-11-21 10:58:53 -08001317 bool "Suppport USB Gadget drivers"
Stefan Agner0489c3b2016-11-21 10:58:53 -08001318 help
1319 Enable USB Gadget API which allows to enable USB device functions
1320 in SPL.
1321
Jean-Jacques Hiblot6a228522019-01-10 15:44:13 +01001322if SPL_USB_GADGET
Stefan Agner0489c3b2016-11-21 10:58:53 -08001323
Faiz Abbasc01553b2018-02-16 21:17:44 +05301324config SPL_USB_ETHER
Stefan Agner0489c3b2016-11-21 10:58:53 -08001325 bool "Support USB Ethernet drivers"
Simon Glass1d926242021-08-08 12:20:31 -06001326 depends on SPL_NET
Stefan Agner0489c3b2016-11-21 10:58:53 -08001327 help
1328 Enable access to the USB network subsystem and associated
1329 drivers in SPL. This permits SPL to load U-Boot over a
1330 USB-connected Ethernet link (such as a USB Ethernet dongle) rather
1331 than from an onboard peripheral. Environment support is required
1332 since the network stack uses a number of environment variables.
Simon Glass041a0ac2021-08-08 12:20:30 -06001333 See also SPL_NET and SPL_ETH.
Stefan Agner0489c3b2016-11-21 10:58:53 -08001334
Andrew F. Davis6d932e62019-01-17 13:43:02 -06001335config SPL_DFU
Fabio Estevam96bdff52018-08-31 10:02:28 -03001336 bool "Support DFU (Device Firmware Upgrade)"
Alexandru Gagniuc97464ff2021-09-02 19:54:19 -05001337 select SPL_HASH
B, Ravi4cca5cf2017-05-04 15:45:29 +05301338 select SPL_DFU_NO_RESET
B, Ravi7e0c0ea2017-05-04 15:45:28 +05301339 depends on SPL_RAM_SUPPORT
Stefan Agnere542edd2016-11-21 10:58:52 -08001340 help
Fabio Estevam96bdff52018-08-31 10:02:28 -03001341 This feature enables the DFU (Device Firmware Upgrade) in SPL with
Stefan Agnere542edd2016-11-21 10:58:52 -08001342 RAM memory device support. The ROM code will load and execute
1343 the SPL built with dfu. The user can load binaries (u-boot/kernel) to
1344 selected device partition from host-pc using dfu-utils.
1345 This feature is useful to flash the binaries to factory or bare-metal
1346 boards using USB interface.
1347
1348choice
1349 bool "DFU device selection"
Andrew F. Davis6d932e62019-01-17 13:43:02 -06001350 depends on SPL_DFU
Stefan Agnere542edd2016-11-21 10:58:52 -08001351
1352config SPL_DFU_RAM
1353 bool "RAM device"
Andrew F. Davis6d932e62019-01-17 13:43:02 -06001354 depends on SPL_DFU && SPL_RAM_SUPPORT
Stefan Agnere542edd2016-11-21 10:58:52 -08001355 help
1356 select RAM/DDR memory device for loading binary images
1357 (u-boot/kernel) to the selected device partition using
1358 DFU and execute the u-boot/kernel from RAM.
1359
1360endchoice
1361
Stefan Agnerd0d9d212017-08-16 11:00:54 -07001362config SPL_USB_SDP_SUPPORT
1363 bool "Support SDP (Serial Download Protocol)"
Simon Glassf4d60392021-08-08 12:20:12 -06001364 depends on SPL_SERIAL
Stefan Agnerd0d9d212017-08-16 11:00:54 -07001365 help
1366 Enable Serial Download Protocol (SDP) device support in SPL. This
1367 allows to download images into memory and execute (jump to) them
1368 using the same protocol as implemented by the i.MX family's boot ROM.
Ye Lif7ac6fd2020-04-29 10:35:12 +08001369
1370config SPL_SDP_USB_DEV
1371 int "SDP USB controller index"
1372 default 0
1373 depends on SPL_USB_SDP_SUPPORT
1374 help
1375 Some boards have USB controller other than 0. Define this option
1376 so it can be used in compiled environment.
Stefan Agner0489c3b2016-11-21 10:58:53 -08001377endif
1378
Simon Glass1ba1d4e2021-07-10 21:14:28 -06001379config SPL_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001380 bool "Support watchdog drivers"
Marek Vasut55ec91b2019-06-09 03:46:21 +02001381 imply SPL_WDT if !HW_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001382 help
1383 Enable support for watchdog drivers in SPL. A watchdog is
1384 typically a hardware peripheral which can reset the system when it
1385 detects no activity for a while (such as a software crash). This
1386 enables the drivers in drivers/watchdog as part of an SPL build.
1387
1388config SPL_YMODEM_SUPPORT
1389 bool "Support loading using Ymodem"
Simon Glassf4d60392021-08-08 12:20:12 -06001390 depends on SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001391 help
1392 While loading from serial is slow it can be a useful backup when
1393 there is no other option. The Ymodem protocol provides a reliable
1394 means of transmitting U-Boot over a serial line for using in SPL,
1395 with a checksum to ensure correctness.
1396
Philipp Tomsichf6618812017-09-13 21:29:36 +02001397config SPL_ATF
Kever Yang6e79a912017-05-05 11:47:45 +08001398 bool "Support ARM Trusted Firmware"
Michal Simek38183e62020-09-03 11:23:39 +02001399 depends on ARM64 && SPL_FIT
Kever Yang6e79a912017-05-05 11:47:45 +08001400 help
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001401 ATF(ARM Trusted Firmware) is a component for ARM AArch64 which
1402 is loaded by SPL (which is considered as BL2 in ATF terminology).
Kever Yang6e79a912017-05-05 11:47:45 +08001403 More detail at: https://github.com/ARM-software/arm-trusted-firmware
1404
Michael Walleafaf6ea2020-11-18 17:45:58 +01001405config SPL_ATF_LOAD_IMAGE_V2
1406 bool "Use the new LOAD_IMAGE_V2 parameter passing"
1407 depends on SPL_ATF
1408 help
1409 Some platforms use the newer LOAD_IMAGE_V2 parameter passing.
1410
1411 If you want to load a bl31 image from the SPL and need the new
1412 method, say Y.
1413
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001414config SPL_ATF_NO_PLATFORM_PARAM
Michal Simek0606f9e2021-05-20 13:08:44 +02001415 bool "Pass no platform parameter"
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001416 depends on SPL_ATF
1417 help
1418 While we expect to call a pointer to a valid FDT (or NULL)
1419 as the platform parameter to an ATF, some ATF versions are
1420 not U-Boot aware and have an insufficiently robust parameter
1421 validation to gracefully reject a FDT being passed.
1422
1423 If this option is enabled, the spl_atf os-type handler will
1424 always pass NULL for the platform parameter.
1425
1426 If your ATF is affected, say Y.
1427
Alex Kiernan10238ef2018-03-15 22:11:46 +00001428config SPL_AM33XX_ENABLE_RTC32K_OSC
1429 bool "Enable the RTC32K OSC on AM33xx based platforms"
1430 default y if AM33XX
1431 help
1432 Enable access to the AM33xx RTC and select the external 32kHz clock
1433 source.
1434
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001435config SPL_OPTEE_IMAGE
1436 bool "Support OP-TEE Trusted OS image in SPL"
Kever Yanga28d42c2018-08-23 17:17:59 +08001437 depends on ARM
1438 help
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001439 OP-TEE is an open source Trusted OS which is loaded by SPL.
Kever Yanga28d42c2018-08-23 17:17:59 +08001440 More detail at: https://github.com/OP-TEE/optee_os
1441
Lukas Auer515b9342019-08-21 21:14:44 +02001442config SPL_OPENSBI
1443 bool "Support RISC-V OpenSBI"
1444 depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE
1445 help
1446 OpenSBI is an open-source implementation of the RISC-V Supervisor Binary
1447 Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC
1448 firmware. It is loaded and started by U-Boot SPL.
1449
1450 More details are available at https://github.com/riscv/opensbi and
1451 https://github.com/riscv/riscv-sbi-doc
1452
1453config SPL_OPENSBI_LOAD_ADDR
1454 hex "OpenSBI load address"
1455 depends on SPL_OPENSBI
1456 help
1457 Load address of the OpenSBI binary.
1458
Tom Rini3c82f982017-05-22 19:21:57 +00001459config TPL
1460 bool
1461 depends on SUPPORT_TPL
1462 prompt "Enable TPL"
1463 help
1464 If you want to build TPL as well as the normal image and SPL, say Y.
1465
1466if TPL
1467
Simon Glassdb372a82019-10-20 21:31:52 -06001468config TPL_SIZE_LIMIT
1469 hex "Maximum size of TPL image"
1470 depends on TPL
Ovidiu Panaitb7232622020-09-25 21:12:56 +03001471 default 0x0
Simon Glassdb372a82019-10-20 21:31:52 -06001472 help
1473 Specifies the maximum length of the U-Boot TPL image.
1474 If this value is zero, it is ignored.
1475
Simon Glass02b87002022-02-08 11:49:48 -07001476config TPL_BINMAN_SYMBOLS
Simon Glass42c5ecc2022-03-05 20:18:55 -07001477 bool "Declare binman symbols in TPL"
Simon Glass02b87002022-02-08 11:49:48 -07001478 depends on SPL_FRAMEWORK && BINMAN
1479 default y
1480 help
Simon Glass42c5ecc2022-03-05 20:18:55 -07001481 This enables use of symbols in TPL which refer to U-Boot, enabling TPL
Simon Glass02b87002022-02-08 11:49:48 -07001482 to obtain the location of U-Boot simply by calling spl_get_image_pos()
1483 and spl_get_image_size().
1484
1485 For this to work, you must have a U-Boot image in the binman image, so
Simon Glass42c5ecc2022-03-05 20:18:55 -07001486 binman can update TPL with the location of it.
Simon Glass02b87002022-02-08 11:49:48 -07001487
Heiko Stuebner4a0da7c2019-07-16 10:12:02 +02001488config TPL_FRAMEWORK
1489 bool "Support TPL based upon the common SPL framework"
1490 default y if SPL_FRAMEWORK
1491 help
1492 Enable the SPL framework under common/spl/ for TPL builds.
1493 This framework supports MMC, NAND and YMODEM and other methods
1494 loading of U-Boot's SPL stage. If unsure, say Y.
1495
Simon Glasse14f1a22018-11-15 18:44:09 -07001496config TPL_HANDOFF
1497 bool "Pass hand-off information from TPL to SPL and U-Boot proper"
Simon Glass540ee8d2019-09-25 08:11:17 -06001498 depends on HANDOFF && TPL_BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -07001499 default y
1500 help
1501 This option enables TPL to write handoff information. This can be
1502 used to pass information like the size of SDRAM from TPL to U-Boot
1503 proper. The information is also available to SPL if it is useful
1504 there.
1505
Kever Yang2b5994b2018-01-20 18:00:26 +08001506config TPL_BOARD_INIT
1507 bool "Call board-specific initialization in TPL"
1508 help
1509 If this option is enabled, U-Boot will call the function
1510 spl_board_init() from board_init_r(). This function should be
1511 provided by the board.
1512
Philippe Reynes8d82a202020-12-11 19:56:47 +01001513config TPL_BOOTCOUNT_LIMIT
1514 bool "Support bootcount in TPL"
1515 depends on TPL_ENV_SUPPORT
1516 help
1517 If this option is enabled, the TPL will support bootcount.
1518 For example, it may be useful to choose the device to boot.
1519
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +02001520config TPL_LDSCRIPT
Michal Simek0606f9e2021-05-20 13:08:44 +02001521 string "Linker script for the TPL stage"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +02001522 depends on TPL
Tom Rini2aaa27d2019-01-22 17:09:26 -05001523 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
Tom Rini067b9ff2020-03-11 18:11:11 -04001524 default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +02001525 help
1526 The TPL stage will usually require a different linker-script
1527 (as it runs from a different memory region) than the regular
1528 U-Boot stage. Set this to the path of the linker-script to
1529 be used for TPL.
1530
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001531 May be left empty to trigger the Makefile infrastructure to
1532 fall back to the linker-script used for the SPL stage.
1533
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001534config TPL_NEEDS_SEPARATE_STACK
Michal Simek0606f9e2021-05-20 13:08:44 +02001535 bool "TPL needs a separate initial stack-pointer"
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001536 depends on TPL
1537 help
1538 Enable, if the TPL stage should not inherit its initial
1539 stack-pointer from the settings for the SPL stage.
1540
Simon Glassa0e44872021-08-08 12:20:29 -06001541config TPL_POWER
1542 bool "Support power drivers"
1543 help
1544 Enable support for power control in TPL. This includes support
1545 for PMICs (Power-management Integrated Circuits) and some of the
1546 features provided by PMICs. In particular, voltage regulators can
1547 be used to enable/disable power and vary its voltage. That can be
1548 useful in TPL to turn on boot peripherals and adjust CPU voltage
1549 so that the clock speed can be increased. This enables the drivers
1550 in drivers/power, drivers/power/pmic and drivers/power/regulator
1551 as part of an TPL build.
1552
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001553config TPL_TEXT_BASE
Michal Simek0606f9e2021-05-20 13:08:44 +02001554 hex "Base address for the .text section of the TPL stage"
Simon Glass9b68f4b2022-02-28 12:08:30 -07001555 default 0
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001556 help
1557 The base address for the .text section of the TPL stage.
1558
1559config TPL_MAX_SIZE
Tom Riniabb0f522022-05-16 17:20:26 -04001560 hex "Maximum size (in bytes) for the TPL stage"
1561 default 0x2e000 if ROCKCHIP_RK3399
1562 default 0x8000 if ROCKCHIP_RK3288
1563 default 0x7000 if ROCKCHIP_RK322X || ROCKCHIP_RK3328 || ROCKCHIP_RK3368
1564 default 0x2800 if ROCKCHIP_PX30
1565 default 0x0
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001566 help
1567 The maximum size (in bytes) of the TPL stage.
1568
Tom Riniabb0f522022-05-16 17:20:26 -04001569config TPL_PAD_TO
1570 hex "Offset to which the TPL should be padded before appending the TPL payload"
1571 depends on !TPL_FRAMEWORK && PPC
1572 default TPL_MAX_SIZE
1573 help
1574 Image offset to which the TPL should be padded before appending the
1575 TPL payload. By default, this is defined as CONFIG_TPL_MAX_SIZE, or 0 if
1576 CONFIG_TPL_MAX_SIZE is undefined. CONFIG_TPL_PAD_TO must be either
1577 0, meaning to append the TPL payload without any padding, or >=
1578 CONFIG_TPL_MAX_SIZE.
1579
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001580config TPL_STACK
Michal Simek0606f9e2021-05-20 13:08:44 +02001581 hex "Address of the initial stack-pointer for the TPL stage"
Philipp Tomsichdeff59a2017-07-28 20:02:34 +02001582 depends on TPL_NEEDS_SEPARATE_STACK
1583 help
1584 The address of the initial stack-pointer for the TPL stage.
1585 Usually this will be the (aligned) top-of-stack.
1586
Simon Glass5b21b342021-03-15 17:25:35 +13001587config TPL_READ_ONLY
1588 bool
1589 depends on TPL_OF_PLATDATA
1590 select TPL_OF_PLATDATA_NO_BIND
1591 select TPL_OF_PLATDATA_RT
1592 help
1593 Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only
1594 section of memory. This means that of-platdata must make a copy (in
1595 writeable memory) of anything it wants to modify, such as
1596 device-private data.
1597
Philipp Tomsich2706fb12017-07-04 14:24:53 +02001598config TPL_BOOTROM_SUPPORT
Michal Simek0606f9e2021-05-20 13:08:44 +02001599 bool "Support returning to the BOOTROM (from TPL)"
Philipp Tomsich2706fb12017-07-04 14:24:53 +02001600 help
1601 Some platforms (e.g. the Rockchip RK3368) provide support in their
1602 ROM for loading the next boot-stage after performing basic setup
1603 from the TPL stage.
1604
1605 Enable this option, to return to the BOOTROM through the
1606 BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
1607 boot device list, if not implemented for a given board)
1608
Simon Glass577226c2021-09-25 19:43:24 -06001609config TPL_CRC32
1610 bool "Support CRC32 in TPL"
1611 default y if TPL_ENV_SUPPORT || TPL_BLOBLIST
1612 help
1613 Enable this to support CRC32 in uImages or FIT images within SPL.
1614 This is a 32-bit checksum value that can be used to verify images.
1615 For FIT images, this is the least secure type of checksum, suitable
1616 for detected accidental image corruption. For secure applications you
1617 should consider SHA1 or SHA256.
1618
Simon Glass284cb9c2021-07-10 21:14:31 -06001619config TPL_DRIVERS_MISC
Philipp Tomsich0e221882017-07-04 14:27:02 +02001620 bool "Support misc drivers in TPL"
1621 help
1622 Enable miscellaneous drivers in TPL. These drivers perform various
1623 tasks that don't fall nicely into other categories, Enable this
1624 option to build the drivers in drivers/misc as part of an TPL
1625 build, for those that support building in TPL (not all drivers do).
1626
Simon Glass688be332016-09-12 23:18:27 -06001627config TPL_ENV_SUPPORT
1628 bool "Support an environment"
Simon Glass688be332016-09-12 23:18:27 -06001629 help
1630 Enable environment support in TPL. See SPL_ENV_SUPPORT for details.
1631
Simon Glass035939e2021-07-10 21:14:30 -06001632config TPL_GPIO
Simon Glass592d5b92018-11-15 18:43:55 -07001633 bool "Support GPIO in TPL"
1634 help
1635 Enable support for GPIOs (General-purpose Input/Output) in TPL.
1636 GPIOs allow U-Boot to read the state of an input line (high or
1637 low) and set the state of an output line. This can be used to
1638 drive LEDs, control power to various system parts and read user
1639 input. GPIOs can be useful in TPL to enable a 'sign-of-life' LED,
1640 for example. Enable this option to build the drivers in
1641 drivers/gpio as part of an TPL build.
1642
Simon Glassbccfc2e2021-07-10 21:14:36 -06001643config TPL_I2C
Simon Glass688be332016-09-12 23:18:27 -06001644 bool "Support I2C"
Simon Glass688be332016-09-12 23:18:27 -06001645 help
Simon Glassbccfc2e2021-07-10 21:14:36 -06001646 Enable support for the I2C bus in TPL. See SPL_I2C for
Simon Glass688be332016-09-12 23:18:27 -06001647 details.
1648
1649config TPL_LIBCOMMON_SUPPORT
1650 bool "Support common libraries"
Simon Glass688be332016-09-12 23:18:27 -06001651 help
1652 Enable support for common U-Boot libraries within TPL. See
1653 SPL_LIBCOMMON_SUPPORT for details.
1654
1655config TPL_LIBGENERIC_SUPPORT
1656 bool "Support generic libraries"
Simon Glass688be332016-09-12 23:18:27 -06001657 help
1658 Enable support for generic U-Boot libraries within TPL. See
1659 SPL_LIBGENERIC_SUPPORT for details.
1660
Simon Glass64571062021-08-08 12:20:16 -06001661config TPL_MPC8XXX_INIT_DDR
Simon Glass688be332016-09-12 23:18:27 -06001662 bool "Support MPC8XXX DDR init"
Simon Glass688be332016-09-12 23:18:27 -06001663 help
1664 Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See
Simon Glass64571062021-08-08 12:20:16 -06001665 SPL_MPC8XXX_INIT_DDR for details.
Simon Glass688be332016-09-12 23:18:27 -06001666
Simon Glassb58bfe02021-08-08 12:20:09 -06001667config TPL_MMC
Simon Glass688be332016-09-12 23:18:27 -06001668 bool "Support MMC"
Tom Rini3c82f982017-05-22 19:21:57 +00001669 depends on MMC
Simon Glass688be332016-09-12 23:18:27 -06001670 help
Simon Glassb58bfe02021-08-08 12:20:09 -06001671 Enable support for MMC within TPL. See SPL_MMC for details.
Simon Glass688be332016-09-12 23:18:27 -06001672
1673config TPL_NAND_SUPPORT
1674 bool "Support NAND flash"
Simon Glass688be332016-09-12 23:18:27 -06001675 help
Philipp Tomsich6c7a88e2017-07-28 17:03:03 +02001676 Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details.
Simon Glass688be332016-09-12 23:18:27 -06001677
Sekhar Nori9108d922018-12-06 15:40:08 +05301678config TPL_PCI
Simon Glass592d5b92018-11-15 18:43:55 -07001679 bool "Support PCI drivers"
1680 help
1681 Enable support for PCI in TPL. For platforms that need PCI to boot,
1682 or must perform some init using PCI in SPL, this provides the
1683 necessary driver support. This enables the drivers in drivers/pci
1684 as part of a TPL build.
1685
Simon Glassff67f232021-08-08 12:20:10 -06001686config TPL_PCH
Simon Glass592d5b92018-11-15 18:43:55 -07001687 bool "Support PCH drivers"
1688 help
1689 Enable support for PCH (Platform Controller Hub) devices in TPL.
1690 These are used to set up GPIOs and the SPI peripheral early in
1691 boot. This enables the drivers in drivers/pch as part of a TPL
1692 build.
1693
Marek Vasut84493722018-04-07 17:03:45 +02001694config TPL_RAM_SUPPORT
1695 bool "Support booting from RAM"
1696 help
1697 Enable booting of an image in RAM. The image can be preloaded or
1698 it can be loaded by TPL directly into RAM (e.g. using USB).
1699
1700config TPL_RAM_DEVICE
1701 bool "Support booting from preloaded image in RAM"
1702 depends on TPL_RAM_SUPPORT
1703 help
1704 Enable booting of an image already loaded in RAM. The image has to
1705 be already in memory when TPL takes over, e.g. loaded by the boot
1706 ROM.
1707
Simon Glass31985312021-08-08 12:20:11 -06001708config TPL_RTC
Simon Glass592d5b92018-11-15 18:43:55 -07001709 bool "Support RTC drivers"
1710 help
1711 Enable RTC (Real-time Clock) support in TPL. This includes support
1712 for reading and setting the time. Some RTC devices also have some
1713 non-volatile (battery-backed) memory which is accessible if
1714 needed. This enables the drivers in drivers/rtc as part of an TPL
1715 build.
1716
Simon Glassf4d60392021-08-08 12:20:12 -06001717config TPL_SERIAL
Simon Glass688be332016-09-12 23:18:27 -06001718 bool "Support serial"
Alex Kiernan5b404282018-04-19 04:32:54 +00001719 select TPL_PRINTF
1720 select TPL_STRTO
Simon Glass688be332016-09-12 23:18:27 -06001721 help
Simon Glassf4d60392021-08-08 12:20:12 -06001722 Enable support for serial in TPL. See SPL_SERIAL for
Simon Glass688be332016-09-12 23:18:27 -06001723 details.
1724
1725config TPL_SPI_FLASH_SUPPORT
1726 bool "Support SPI flash drivers"
Simon Glass688be332016-09-12 23:18:27 -06001727 help
Philipp Tomsich6c7a88e2017-07-28 17:03:03 +02001728 Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT
Simon Glass688be332016-09-12 23:18:27 -06001729 for details.
1730
Simon Glass4ec73132020-07-19 10:15:31 -06001731config TPL_SPI_FLASH_TINY
1732 bool "Enable low footprint TPL SPI Flash support"
1733 depends on TPL_SPI_FLASH_SUPPORT && !SPI_FLASH_BAR
1734 default y if SPI_FLASH
1735 help
1736 Enable lightweight TPL SPI Flash support that supports just reading
1737 data/images from flash. No support to write/erase flash. Enable
1738 this if you have TPL size limitations and don't need full-fledged
1739 SPI flash support.
1740
Marek Vasute6b94da2018-04-07 16:05:46 +02001741config TPL_SPI_LOAD
1742 bool "Support loading from SPI flash"
1743 depends on TPL_SPI_FLASH_SUPPORT
1744 help
1745 Enable support for loading next stage, U-Boot or otherwise, from
1746 SPI NOR in U-Boot TPL.
1747
Simon Glassa5820472021-08-08 12:20:14 -06001748config TPL_SPI
Simon Glass688be332016-09-12 23:18:27 -06001749 bool "Support SPI drivers"
Simon Glass688be332016-09-12 23:18:27 -06001750 help
Simon Glassa5820472021-08-08 12:20:14 -06001751 Enable support for using SPI in TPL. See SPL_SPI for
Simon Glass688be332016-09-12 23:18:27 -06001752 details.
1753
Lukasz Majewski76f442982020-06-04 23:11:53 +08001754config TPL_DM_SPI
1755 bool "Support SPI DM drivers in TPL"
1756 help
1757 Enable support for SPI DM drivers in TPL.
1758
1759config TPL_DM_SPI_FLASH
1760 bool "Support SPI DM FLASH drivers in TPL"
1761 help
1762 Enable support for SPI DM flash drivers in TPL.
1763
Marek Vasut04774242018-04-07 16:06:11 +02001764config TPL_YMODEM_SUPPORT
1765 bool "Support loading using Ymodem"
Simon Glassf4d60392021-08-08 12:20:12 -06001766 depends on TPL_SERIAL
Marek Vasut04774242018-04-07 16:06:11 +02001767 help
1768 While loading from serial is slow it can be a useful backup when
1769 there is no other option. The Ymodem protocol provides a reliable
1770 means of transmitting U-Boot over a serial line for using in TPL,
1771 with a checksum to ensure correctness.
1772
Tom Rini3c82f982017-05-22 19:21:57 +00001773endif # TPL
1774
Simon Glasse7ca7da2022-04-30 00:56:53 -06001775config VPL
1776 bool
1777 depends on SUPPORT_SPL
1778 prompt "Enable VPL"
1779 help
1780 If you want to build VPL as well as the normal image, TPL and SPL,
1781 say Y.
1782
1783if VPL
1784
1785config VPL_BANNER_PRINT
1786 bool "Enable output of the VPL banner 'U-Boot VPL ...'"
1787 depends on VPL
1788 default y
1789 help
1790 If this option is enabled, VPL will print the banner with version
1791 info. Disabling this option could be useful to reduce VPL boot time
1792 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
1793
1794config VPL_BOARD_INIT
1795 bool "Call board-specific initialization in VPL"
1796 help
1797 If this option is enabled, U-Boot will call the function
1798 spl_board_init() from board_init_r(). This function should be
1799 provided by the board.
1800
1801config VPL_CACHE
1802 depends on CACHE
1803 bool "Support cache drivers in VPL"
1804 help
1805 Enable support for cache drivers in VPL.
1806
1807config VPL_CRC32
1808 bool "Support CRC32 in VPL"
1809 default y if VPL_ENV_SUPPORT || VPL_BLOBLIST
1810 help
1811 Enable this to support CRC32 in uImages or FIT images within VPL.
1812 This is a 32-bit checksum value that can be used to verify images.
1813 For FIT images, this is the least secure type of checksum, suitable
1814 for detected accidental image corruption. For secure applications you
1815 should consider SHA1 or SHA256.
1816
1817config VPL_DM_SPI
1818 bool "Support SPI DM drivers in VPL"
1819 help
1820 Enable support for SPI DM drivers in VPL.
1821
1822config VPL_DM_SPI_FLASH
1823 bool "Support SPI DM FLASH drivers in VPL"
1824 help
1825 Enable support for SPI DM flash drivers in VPL.
1826
1827config VPL_FRAMEWORK
1828 bool "Support VPL based upon the common SPL framework"
1829 default y
1830 help
1831 Enable the SPL framework under common/spl/ for VPL builds.
1832 This framework supports MMC, NAND and YMODEM and other methods
1833 loading of U-Boot's next stage. If unsure, say Y.
1834
1835config VPL_HANDOFF
1836 bool "Pass hand-off information from VPL to SPL"
1837 depends on HANDOFF && VPL_BLOBLIST
1838 default y
1839 help
1840 This option enables VPL to write handoff information. This can be
1841 used to pass information like the size of SDRAM from VPL to SPL. Also
1842 VPL can receive information from TPL in the same place if that is
1843 enabled.
1844
1845config VPL_LIBCOMMON_SUPPORT
1846 bool "Support common libraries"
1847 default y if SPL_LIBCOMMON_SUPPORT
1848 help
1849 Enable support for common U-Boot libraries within VPL. See
1850 SPL_LIBCOMMON_SUPPORT for details.
1851
1852config VPL_LIBGENERIC_SUPPORT
1853 bool "Support generic libraries"
1854 default y if SPL_LIBGENERIC_SUPPORT
1855 help
1856 Enable support for generic U-Boot libraries within VPL. These
1857 libraries include generic code to deal with device tree, hashing,
1858 printf(), compression and the like. This option is enabled on many
1859 boards. Enable this option to build the code in lib/ as part of a
1860 VPL build.
1861
1862config VPL_DRIVERS_MISC
1863 bool "Support misc drivers"
1864 default y if TPL_DRIVERS_MISC
1865 help
1866 Enable miscellaneous drivers in VPL. These drivers perform various
1867 tasks that don't fall nicely into other categories, Enable this
1868 option to build the drivers in drivers/misc as part of a VPL
1869 build, for those that support building in VPL (not all drivers do).
1870
1871config VPL_ENV_SUPPORT
1872 bool "Support an environment"
1873 help
1874 Enable environment support in VPL. The U-Boot environment provides
1875 a number of settings (essentially name/value pairs) which can
1876 control many aspects of U-Boot's operation. Enabling this option will
1877 make env_get() and env_set() available in VSPL.
1878
1879config VPL_GPIO
1880 bool "Support GPIO in VPL"
1881 default y if SPL_GPIO
1882 help
1883 Enable support for GPIOs (General-purpose Input/Output) in VPL.
1884 GPIOs allow U-Boot to read the state of an input line (high or
1885 low) and set the state of an output line. This can be used to
1886 drive LEDs, control power to various system parts and read user
1887 input. GPIOs can be useful in VPL to enable a 'sign-of-life' LED,
1888 for example. Enable this option to build the drivers in
1889 drivers/gpio as part of a VPL build.
1890
1891config VPL_HANDOFF
1892 bool "Pass hand-off information from VPL to SPL and U-Boot proper"
1893 depends on HANDOFF && VPL_BLOBLIST
1894 default y
1895 help
1896 This option enables VPL to write handoff information. This can be
1897 used to pass information like the size of SDRAM from VPL to U-Boot
1898 proper. The information is also available to VPL if it is useful
1899 there.
1900
1901config VPL_HASH
1902 bool "Support hashing drivers in VPL"
1903 depends on VPL
1904 select SHA1
1905 select SHA256
1906 help
1907 Enable hashing drivers in VPL. These drivers can be used to
1908 accelerate secure boot processing in secure applications. Enable
1909 this option to build system-specific drivers for hash acceleration
1910 as part of a VPL build.
1911
1912config VPL_I2C_SUPPORT
1913 bool "Support I2C in VPL"
1914 default y if SPL_I2C_SUPPORT
1915 help
1916 Enable support for the I2C bus in VPL. Vee SPL_I2C_SUPPORT for
1917 details.
1918
1919config VPL_PCH_SUPPORT
1920 bool "Support PCH drivers"
1921 default y if TPL_PCH_SUPPORT
1922 help
1923 Enable support for PCH (Platform Controller Hub) devices in VPL.
1924 These are used to set up GPIOs and the SPI peripheral early in
1925 boot. This enables the drivers in drivers/pch as part of a VPL
1926 build.
1927
1928config VPL_PCI
1929 bool "Support PCI drivers"
1930 default y if SPL_PCI
1931 help
1932 Enable support for PCI in VPL. For platforms that need PCI to boot,
1933 or must perform some init using PCI in VPL, this provides the
1934 necessary driver support. This enables the drivers in drivers/pci
1935 as part of a VPL build.
1936
1937config VPL_RTC
1938 bool "Support RTC drivers"
1939 help
1940 Enable RTC (Real-time Clock) support in VPL. This includes support
1941 for reading and setting the time. Some RTC devices also have some
1942 non-volatile (battery-backed) memory which is accessible if
1943 needed. This enables the drivers in drivers/rtc as part of a VPL
1944 build.
1945
1946config VPL_SERIAL
1947 bool "Support serial"
1948 default y if TPL_SERIAL
1949 select VPL_PRINTF
1950 select VPL_STRTO
1951 help
1952 Enable support for serial in VPL. See SPL_SERIAL_SUPPORT for
1953 details.
1954
1955config VPL_SIZE_LIMIT
1956 hex "Maximum size of VPL image"
1957 depends on VPL
1958 default 0x0
1959 help
1960 Specifies the maximum length of the U-Boot VPL image.
1961 If this value is zero, it is ignored.
1962
1963config VPL_SPI
1964 bool "Support SPI drivers"
1965 help
1966 Enable support for using SPI in VPL. See SPL_SPI_SUPPORT for
1967 details.
1968
1969config VPL_SPI_FLASH_SUPPORT
1970 bool "Support SPI flash drivers"
1971 help
1972 Enable support for using SPI flash in VPL, and loading U-Boot from
1973 SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
1974 the SPI bus that is used to connect it to a system. It is a simple
1975 but fast bidirectional 4-wire bus (clock, chip select and two data
1976 lines). This enables the drivers in drivers/mtd/spi as part of a
1977 VPL build. This normally requires VPL_SPI_SUPPORT.
1978
1979config VPL_TEXT_BASE
1980 hex "VPL Text Base"
1981 default 0x0
1982 help
1983 The address in memory that VPL will be running from.
1984
1985endif # VPL
1986
Eugen Hristevfdd833e2019-05-24 09:38:10 +03001987config SPL_AT91_MCK_BYPASS
1988 bool "Use external clock signal as a source of main clock for AT91 platforms"
1989 depends on ARCH_AT91
Eugen Hristevfdd833e2019-05-24 09:38:10 +03001990 help
1991 Use external 8 to 24 Mhz clock signal as source of main clock instead
1992 of an external crystal oscillator.
1993 This option disables the internal driving on the XOUT pin.
1994 The external source has to provide a stable clock on the XIN pin.
1995 If this option is disabled, the SoC expects a crystal oscillator
1996 that needs driving on both XIN and XOUT lines.
1997
Tom Rini3c82f982017-05-22 19:21:57 +00001998endif # SPL
Simon Glass1e3911a2016-09-13 07:05:23 -06001999endmenu