blob: ad574a600e31c9e90e3401a7a073bec86dfcb48c [file] [log] [blame]
Simon Glassffe19762016-09-12 23:18:22 -06001config SUPPORT_SPL
2 bool
3
4config SUPPORT_TPL
5 bool
6
Simon Glass7eec8842022-04-30 00:56:52 -06007config SUPPORT_VPL
8 bool
9
B, Ravi4cca5cf2017-05-04 15:45:29 +053010config SPL_DFU_NO_RESET
11 bool
12
Simon Glassffe19762016-09-12 23:18:22 -060013config SPL
Tom Rini2aa5e502022-05-30 17:11:23 -040014 bool "Enable SPL"
Simon Glassffe19762016-09-12 23:18:22 -060015 depends on SUPPORT_SPL
Simon Glassffe19762016-09-12 23:18:22 -060016 help
17 If you want to build SPL as well as the normal image, say Y.
18
Tom Rini2aa5e502022-05-30 17:11:23 -040019menu "SPL configuration options"
20 depends on SPL
21
Tom Rini623d67e2018-02-06 12:15:38 -050022config SPL_FRAMEWORK
23 bool "Support SPL based upon the common SPL framework"
Tom Rini623d67e2018-02-06 12:15:38 -050024 default y
25 help
26 Enable the SPL framework under common/spl/. This framework
27 supports MMC, NAND and YMODEM and other methods loading of U-Boot
28 and the Linux Kernel. If unsure, say Y.
29
Philippe Reynesc4510f42019-09-19 16:18:39 +020030config SPL_FRAMEWORK_BOARD_INIT_F
31 bool "Define a generic function board_init_f"
32 depends on SPL_FRAMEWORK
33 help
34 Define a generic function board_init_f that:
35 - initialize the spl (spl_early_init)
36 - initialize the serial (preloader_console_init)
37 Unless you want to provide your own board_init_f, you should say Y.
38
Simon Goldschmidtc2722832019-05-24 22:07:04 +020039config SPL_SIZE_LIMIT
Simon Glassa8f0c942019-09-25 08:56:28 -060040 hex "Maximum size of SPL image"
Ovidiu Panaitb7232622020-09-25 21:12:56 +030041 default 0x11000 if ARCH_MX6 && !MX6_OCRAM_256KB
42 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
Pali Rohárab7f0f62022-09-14 18:48:16 +020043 default 0x30000 if ARCH_MVEBU && ARMADA_32BIT
Ovidiu Panaitb7232622020-09-25 21:12:56 +030044 default 0x0
Simon Goldschmidtc2722832019-05-24 22:07:04 +020045 help
46 Specifies the maximum length of the U-Boot SPL image.
47 If this value is zero, it is ignored.
48
49config SPL_SIZE_LIMIT_SUBTRACT_GD
50 bool "SPL image size check: provide space for global data"
51 depends on SPL_SIZE_LIMIT > 0
52 help
53 If enabled, aligned size of global data is reserved in
54 SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM
55 if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when
56 pre-reloc global data is put into this SRAM, too.
57
58config SPL_SIZE_LIMIT_SUBTRACT_MALLOC
59 bool "SPL image size check: provide space for malloc() pool before relocation"
60 depends on SPL_SIZE_LIMIT > 0
61 help
62 If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check
63 to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT
64 describes the size of SRAM available for SPL when pre-reloc malloc
65 pool is put into this SRAM, too.
66
67config SPL_SIZE_LIMIT_PROVIDE_STACK
68 hex "SPL image size check: provide stack space before relocation"
69 depends on SPL_SIZE_LIMIT > 0
Tom Rinif18679c2023-08-02 11:09:43 -040070 default 0x0
Simon Goldschmidtc2722832019-05-24 22:07:04 +020071 help
72 If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such
73 an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size
74 of SRAM available for SPL when the stack required before reolcation
75 uses this SRAM, too.
76
Tom Riniabb0f522022-05-16 17:20:26 -040077config SPL_MAX_SIZE
78 hex "Maximum size of the SPL image, excluding BSS"
79 default 0x30000 if ARCH_MX6 && MX6_OCRAM_256KB
80 default 0x1b000 if AM33XX && !TI_SECURE_DEVICE
81 default 0x10000 if ARCH_MX6 && !MX6_OCRAM_256KB
82 default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x10000
83 default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x20000 && !MACH_SUN50I_H616
Andre Przywara3f5873f2022-09-13 01:23:58 +010084 default 0xbfa0 if MACH_SUN50I_H616
Tom Riniabb0f522022-05-16 17:20:26 -040085 default 0x7000 if RCAR_GEN3
86 default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
Joel Stanleyb5a48692022-06-29 16:35:22 +093087 default 0x10000 if ASPEED_AST2600
Peng Fan343f3982022-07-26 16:40:31 +080088 default 0x27000 if IMX8MM && SPL_TEXT_BASE = 0x7E1000
Tom Riniabb0f522022-05-16 17:20:26 -040089 default 0x0
90 help
91 Maximum size of the SPL image (text, data, rodata, and linker lists
92 sections), BSS excluded. When defined, the linker checks that the
93 actual size does not exceed it.
94
95config SPL_PAD_TO
96 hex "Offset to which the SPL should be padded before appending the SPL payload"
97 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
98 default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
99 default 0x10000 if ARCH_KEYSTONE
100 default 0x8000 if ARCH_SUNXI && !MACH_SUN50I_H616
Stefan Roese84d7eb22022-10-28 14:46:29 +0200101 default 0x0 if ARCH_MTMIPS
Tom Riniabb0f522022-05-16 17:20:26 -0400102 default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE
103 default SPL_MAX_SIZE
104 help
105 Image offset to which the SPL should be padded before appending the
106 SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if
107 CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either
108 0, meaning to append the SPL payload without any padding, or >=
109 CONFIG_SPL_MAX_SIZE.
110
Tom Rini65aa1242022-05-27 10:19:45 -0400111config SPL_HAS_BSS_LINKER_SECTION
112 depends on SPL_FRAMEWORK
113 bool "Use a specific address for the BSS via the linker script"
Stefan Herbrechtsmeier30e73282022-07-14 15:47:33 +0200114 default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV || ARCH_ZYNQMP
Tom Rini65aa1242022-05-27 10:19:45 -0400115
116config SPL_BSS_START_ADDR
117 hex "Link address for the BSS within the SPL binary"
118 depends on SPL_HAS_BSS_LINKER_SECTION
119 default 0x88200000 if (ARCH_MX6 && (MX6SX || MX6SL || MX6UL || MX6ULL)) || ARCH_MX7
120 default 0x18200000 if ARCH_MX6 && !(MX6SX || MX6SL || MX6UL || MX6ULL)
121 default 0x80a00000 if ARCH_OMAP2PLUS
122 default 0x81f80000 if ARCH_SUNXI && MACH_SUNIV
123 default 0x4ff80000 if ARCH_SUNXI && !(MACH_SUN9I || MACH_SUNIV)
124 default 0x2ff80000 if ARCH_SUNXI && MACH_SUN9I
Stefan Herbrechtsmeier30e73282022-07-14 15:47:33 +0200125 default 0x1000 if ARCH_ZYNQMP
Tom Rini65aa1242022-05-27 10:19:45 -0400126
Tom Rini0cb89e72022-05-19 15:09:22 -0400127choice
128 prompt "Enforce SPL BSS limit"
Tom Rini2aa5e502022-05-30 17:11:23 -0400129 depends on !PPC
Tom Rini0cb89e72022-05-19 15:09:22 -0400130 default SPL_BSS_LIMIT
131 help
132 In some platforms we only want to enforce a limit on the size of the
133 BSS in memory. On other platforms we need to enforce a limit on the
134 whole of the memory allocation as we're strictly limited to a small
135 typically non-DRAM location. Finally, other platforms do not enforce
136 a memory limit within SPL.
137
138config SPL_NO_BSS_LIMIT
139 bool "Do not enforce a build time limit on the size of the BSS"
140
141config SPL_BSS_LIMIT
142 bool "Enforce a limit on the size of the BSS only"
143
144config SPL_FOOTPRINT_LIMIT
145 bool "Enforce a limit on the whole of memory allocated to SPL, BSS included"
146
147endchoice
148
149config SPL_BSS_MAX_SIZE
150 hex "Maximum size in memory allocated to the SPL BSS"
151 depends on SPL_BSS_LIMIT
152 default 0x100000 if ARCH_MX6 || RISCV
153 default 0x80000 if ARCH_OMAP2PLUS || ARCH_SUNXI
154 help
155 When non-zero, the linker checks that the actual memory used by SPL
156 from __bss_start to __bss_end does not exceed it.
157
158config SPL_MAX_FOOTPRINT
159 hex "Maximum size in memory allocated to the SPL, BSS included"
160 depends on SPL_FOOTPRINT_LIMIT
161 help
162 When non-zero, the linker checks that the actual memory used by SPL
163 from _start to __bss_end does not exceed it.
164
Simon Goldschmidt0b820852019-07-16 22:30:36 +0200165config SPL_SYS_STACK_F_CHECK_BYTE
166 hex
167 default 0xaa
168 help
169 Constant used to check the stack
170
171config SPL_SYS_REPORT_STACK_F_USAGE
172 depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0
173 bool "Check and report stack usage in SPL before relocation"
174 help
175 If this option is enabled, the initial SPL stack is filled with 0xaa
176 very early, up to the size configured with
177 SPL_SIZE_LIMIT_PROVIDE_STACK.
178 Later when SPL is done using this initial stack and switches to a
179 stack in DRAM, the actually used size of this initial stack is
180 reported by examining the memory and searching for the lowest
181 occurrence of non 0xaa bytes.
182 This default implementation works for stacks growing down only.
183
Simon Glass58254e02021-07-05 16:32:57 -0600184config SPL_SHOW_ERRORS
185 bool "Show more information when something goes wrong"
186 help
187 This enabled more verbose error messages and checking when something
188 goes wrong in SPL. For example, it shows the error code when U-Boot
189 cannot be located. This can help to diagnose the problem and figure
190 out a fix, particularly during development.
191
192 This adds a small amount to SPL code size, perhaps 100 bytes.
193
Simon Glass02b87002022-02-08 11:49:48 -0700194config SPL_BINMAN_SYMBOLS
195 bool "Declare binman symbols in SPL"
196 depends on SPL_FRAMEWORK && BINMAN
197 default y
198 help
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300199 This enables use of symbols in SPL which refer to other entries in
200 the same binman image as the SPL. These can be declared with the
201 binman_sym_declare(type, entry, prop) macro and accessed by the
202 binman_sym(type, entry, prop) macro defined in binman_sym.h.
203
204 See tools/binman/binman.rst for a detailed explanation.
205
206config SPL_BINMAN_UBOOT_SYMBOLS
207 bool "Declare binman symbols for U-Boot phases in SPL"
208 depends on SPL_BINMAN_SYMBOLS
Alper Nebi Yasak08418512022-06-18 15:13:12 +0300209 default n if ARCH_IMX8M
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300210 default y
211 help
212 This enables use of symbols in SPL which refer to U-Boot phases,
213 enabling SPL to obtain the location and size of its next phase simply
214 by calling spl_get_image_pos() and spl_get_image_size().
Simon Glass02b87002022-02-08 11:49:48 -0700215
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300216 For this to work, you must have all U-Boot phases in the same binman
217 image, so binman can update SPL with the locations of everything.
Simon Glass02b87002022-02-08 11:49:48 -0700218
Tom Rini0d989c82022-05-30 17:01:22 -0400219source "common/spl/Kconfig.nxp"
Tom Rini6b15c162022-05-13 12:26:35 -0400220
Simon Glasse14f1a22018-11-15 18:44:09 -0700221config HANDOFF
222 bool "Pass hand-off information from SPL to U-Boot proper"
Tom Rini2aa5e502022-05-30 17:11:23 -0400223 depends on BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700224 help
225 It is useful to be able to pass information from SPL to U-Boot
226 proper to preserve state that is known in SPL and is needed in U-Boot.
227 Enable this to locate the handoff information in U-Boot proper, early
228 in boot. It is available in gd->handoff. The state state is set up
229 in SPL (or TPL if that is being used).
230
Simon Glasse14f1a22018-11-15 18:44:09 -0700231config SPL_HANDOFF
232 bool "Pass hand-off information from SPL to U-Boot proper"
Simon Glass540ee8d2019-09-25 08:11:17 -0600233 depends on HANDOFF && SPL_BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700234 default y
235 help
236 This option enables SPL to write handoff information. This can be
237 used to pass information like the size of SDRAM from SPL to U-Boot
238 proper. Also SPL can receive information from TPL in the same place
239 if that is enabled.
240
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200241config SPL_LDSCRIPT
242 string "Linker script for the SPL stage"
Tom Rini49f5d172022-06-08 08:24:37 -0400243 default "arch/arm/cpu/arm926ejs/sunxi/u-boot-spl.lds" if MACH_SUNIV
244 default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if ARCH_SUNXI && !MACH_SUNIV && !ARM64
245 default "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" if (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
246 default "arch/arm/cpu/arm1136/u-boot-spl.lds" if CPU_ARM1136
247 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARCH_LS1043A || ARCH_LS1046A || ARCH_LS2080A
248 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
249 default "arch/arm/mach-at91/arm926ejs/u-boot-spl.lds" if ARCH_AT91 && CPU_ARM926EJS
250 default "arch/arm/mach-at91/armv7/u-boot-spl.lds" if ARCH_AT91 && CPU_V7A
251 default "arch/arm/mach-omap2/u-boot-spl.lds" if ARCH_MX6 || ARCH_OMAP2PLUS || (ARCH_K3 && !ARM64)
252 default "arch/arm/mach-zynq/u-boot-spl.lds" if ARCH_ZYNQ
253 default "board/samsung/common/exynos-uboot-spl.lds" if ARCH_EXYNOS5 || ARCH_EXYNOS4
254 default "board/davinci/da8xxevm/u-boot-spl-da850evm.lds" if ARCH_DAVINCI
Tom Rini067b9ff2020-03-11 18:11:11 -0400255 default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200256 help
257 The SPL stage will usually require a different linker-script
258 (as it runs from a different memory region) than the regular
259 U-Boot stage. Set this to the path of the linker-script to
260 be used for SPL.
261
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200262config SPL_TEXT_BASE
263 hex "SPL Text Base"
Andrew Davis06a021b2022-07-15 12:31:48 -0500264 default 0x402F4000 if AM43XX
265 default 0x402F0400 if AM33XX
266 default 0x40301350 if OMAP54XX
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100267 default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I
Jernej Skrabecda8ae612021-01-11 21:11:34 +0100268 default 0x20060 if SUN50I_GEN_H6
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100269 default 0x00060 if ARCH_SUNXI
Michal Simekad336ea2019-09-11 08:49:31 +0200270 default 0xfffc0000 if ARCH_ZYNQMP
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200271 default 0x0
272 help
273 The address in memory that SPL will be running from.
274
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800275config SPL_BOARD_INIT
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800276 bool "Call board-specific initialization in SPL"
277 help
278 If this option is enabled, U-Boot will call the function
279 spl_board_init() from board_init_r(). This function should be
280 provided by the board.
281
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200282config SPL_BOOTROM_SUPPORT
Michal Simek0606f9e2021-05-20 13:08:44 +0200283 bool "Support returning to the BOOTROM"
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200284 help
285 Some platforms (e.g. the Rockchip RK3368) provide support in their
286 ROM for loading the next boot-stage after performing basic setup
287 from the SPL stage.
288
289 Enable this option, to return to the BOOTROM through the
290 BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
291 boot device list, if not implemented for a given board)
292
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200293config SPL_BOOTCOUNT_LIMIT
294 bool "Support bootcount in SPL"
Philippe Reynes8d82a202020-12-11 19:56:47 +0100295 depends on SPL_ENV_SUPPORT && !TPL_BOOTCOUNT_LIMIT
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200296 help
297 On some boards, which use 'falcon' mode, it is necessary to check
298 and increment the number of boot attempts. Such boards do not
299 use proper U-Boot for normal boot flow and hence needs those
300 adjustments to be done in the SPL.
301
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600302config SPL_RAW_IMAGE_SUPPORT
303 bool "Support SPL loading and booting of RAW images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200304 default n if ARCH_MVEBU
Simon Glass081a45a2021-08-08 12:20:17 -0600305 default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
Andrew Davis4c1f4762022-05-04 15:52:26 -0500306 default y
307 depends on !TI_SECURE_DEVICE
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600308 help
309 SPL will support loading and booting a RAW image when this option
310 is y. If this is not set, SPL will move on to other available
311 boot media to find a suitable image.
312
Andrew Davis360ec6a2022-05-04 15:52:25 -0500313config SPL_LEGACY_IMAGE_FORMAT
Andrew F. Davis74630342017-02-16 11:18:39 -0600314 bool "Support SPL loading and booting of Legacy images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200315 default n if ARCH_MVEBU
Andrew Davis4c1f4762022-05-04 15:52:26 -0500316 default y if !SPL_LOAD_FIT
317 depends on !TI_SECURE_DEVICE
Andrew F. Davis74630342017-02-16 11:18:39 -0600318 help
319 SPL will support loading and booting Legacy images when this option
320 is y. If this is not set, SPL will move on to other available
321 boot media to find a suitable image.
322
Simon Goldschmidt17140472019-02-10 21:34:37 +0100323config SPL_LEGACY_IMAGE_CRC_CHECK
324 bool "Check CRC of Legacy images"
Andrew Davis360ec6a2022-05-04 15:52:25 -0500325 depends on SPL_LEGACY_IMAGE_FORMAT
Simon Glassefc12232021-07-14 17:05:32 -0500326 select SPL_CRC32
Simon Goldschmidt17140472019-02-10 21:34:37 +0100327 help
328 Enable this to check the CRC of Legacy images. While this increases
329 reliability, it affects both code size and boot duration.
330 If disabled, Legacy images are booted if the image magic and size
331 are correct, without further integrity checks.
332
Sean Andersonefc185e2023-10-14 16:47:45 -0400333config SPL_LOAD_IMX_CONTAINER
334 bool "Enable SPL loading and booting of i.MX8 Containers"
335 depends on SPL
336 help
337 Support booting U-Boot from an i.MX8 container image. If you are not
338 using i.MX8, say 'n'.
339
340config IMX_CONTAINER_CFG
341 string "i.MX8 Container config file"
342 depends on SPL && SPL_LOAD_IMX_CONTAINER
343 help
344 Specify the cfg file for generating the container image which will be
345 loaded by SPL.
346
Simon Glassffe19762016-09-12 23:18:22 -0600347config SPL_SYS_MALLOC_SIMPLE
Tom Rini2aa5e502022-05-30 17:11:23 -0400348 bool "Only use malloc_simple functions in the SPL"
Simon Glassffe19762016-09-12 23:18:22 -0600349 help
350 Say Y here to only use the *_simple malloc functions from
351 malloc_simple.c, rather then using the versions from dlmalloc.c;
352 this will make the SPL binary smaller at the cost of more heap
353 usage as the *_simple malloc functions do not re-use free-ed mem.
354
Tom Rini8a14ac42022-05-26 13:13:21 -0400355config SPL_SHARES_INIT_SP_ADDR
356 bool "SPL and U-Boot use the same initial stack pointer location"
357 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
Tom Rinied83ed92022-05-26 13:46:32 -0400358 default n if ARCH_SUNXI || ARCH_MX6 || ARCH_MX7
Tom Rini8a14ac42022-05-26 13:13:21 -0400359 default y
360 help
361 In many cases, we can use the same initial stack pointer address for
362 both SPL and U-Boot itself. If you need to specify a different address
363 however, say N here and then set a different value in CONFIG_SPL_STACK.
364
365config SPL_STACK
366 hex "Initial stack pointer location"
367 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
368 depends on !SPL_SHARES_INIT_SP_ADDR
Tom Rinied83ed92022-05-26 13:46:32 -0400369 default 0x946bb8 if ARCH_MX7
Tom Rini55242432022-05-26 13:36:17 -0400370 default 0x93ffb8 if ARCH_MX6 && MX6_OCRAM_256KB
371 default 0x91ffb8 if ARCH_MX6 && !MX6_OCRAM_256KB
Andre Przywara3f5873f2022-09-13 01:23:58 +0100372 default 0x118000 if MACH_SUN50I_H6
373 default 0x58000 if MACH_SUN50I_H616
374 default 0x54000 if MACH_SUN50I || MACH_SUN50I_H5
375 default 0x18000 if MACH_SUN9I
376 default 0x8000 if ARCH_SUNXI
Tom Rini8a14ac42022-05-26 13:13:21 -0400377 help
378 Address of the start of the stack SPL will use before SDRAM is
379 initialized.
380
Simon Glassffe19762016-09-12 23:18:22 -0600381config SPL_STACK_R
Simon Glassffe19762016-09-12 23:18:22 -0600382 bool "Enable SDRAM location for SPL stack"
383 help
384 SPL starts off execution in SRAM and thus typically has only a small
385 stack available. Since SPL sets up DRAM while in its board_init_f()
386 function, it is possible for the stack to move there before
387 board_init_r() is reached. This option enables a special SDRAM
388 location for the SPL stack. U-Boot SPL switches to this after
389 board_init_f() completes, and before board_init_r() starts.
390
391config SPL_STACK_R_ADDR
392 depends on SPL_STACK_R
393 hex "SDRAM location for SPL stack"
Tom Rinic37e0cf2017-09-17 11:44:49 -0400394 default 0x82000000 if ARCH_OMAP2PLUS
Simon Glassffe19762016-09-12 23:18:22 -0600395 help
396 Specify the address in SDRAM for the SPL stack. This will be set up
397 before board_init_r() is called.
398
399config SPL_STACK_R_MALLOC_SIMPLE_LEN
400 depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
401 hex "Size of malloc_simple heap after switching to DRAM SPL stack"
Neha Malcom Francis0f1326e2023-01-11 18:11:23 +0530402 default 0x400000 if ARCH_K3 && ARM64
Simon Glassffe19762016-09-12 23:18:22 -0600403 default 0x100000
404 help
405 Specify the amount of the stack to use as memory pool for
406 malloc_simple after switching the stack to DRAM. This may be set
407 to give board_init_r() a larger heap then the initial heap in
408 SRAM which is limited to SYS_MALLOC_F_LEN bytes.
409
410config SPL_SEPARATE_BSS
Simon Glassffe19762016-09-12 23:18:22 -0600411 bool "BSS section is in a different memory region from text"
412 help
413 Some platforms need a large BSS region in SPL and can provide this
414 because RAM is already set up. In this case BSS can be moved to RAM.
415 This option should then be enabled so that the correct device tree
416 location is used. Normally we put the device tree at the end of BSS
417 but with this option enabled, it goes at _image_binary_end.
418
Simon Glass67e3fca2023-09-26 08:14:16 -0600419config SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400420 bool "Enable malloc pool in SPL"
421 depends on SPL_FRAMEWORK
422
Simon Glass67e3fca2023-09-26 08:14:16 -0600423config SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400424 bool "For the SPL malloc pool, define a custom starting address"
Simon Glass67e3fca2023-09-26 08:14:16 -0600425 depends on SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400426
Simon Glass67e3fca2023-09-26 08:14:16 -0600427config SPL_CUSTOM_SYS_MALLOC_ADDR
Tom Rini166e3222022-05-27 12:48:32 -0400428 hex "SPL malloc addr"
Simon Glass67e3fca2023-09-26 08:14:16 -0600429 depends on SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400430
Simon Glass67e3fca2023-09-26 08:14:16 -0600431config SPL_SYS_MALLOC_SIZE
Tom Rini166e3222022-05-27 12:48:32 -0400432 hex "Size of the SPL malloc pool"
Simon Glass67e3fca2023-09-26 08:14:16 -0600433 depends on SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400434 default 0x100000
435
Simon Glass5b21b342021-03-15 17:25:35 +1300436config SPL_READ_ONLY
437 bool
438 depends on SPL_OF_PLATDATA
439 # Bind cannot be supported because the udevice structs are in read-only
440 # memory so we cannot update the linked lists.
441 select SPL_OF_PLATDATA_NO_BIND
442 select SPL_OF_PLATDATA_RT
443 help
444 Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only
445 section of memory. This means that of-platdata must make a copy (in
446 writeable memory) of anything it wants to modify, such as
447 device-private data.
448
Simon Glass6324cce2018-11-15 18:43:57 -0700449config SPL_BANNER_PRINT
450 bool "Enable output of the SPL banner 'U-Boot SPL ...'"
451 default y
452 help
453 If this option is enabled, SPL will print the banner with version
Thomas Hebbfd37f242019-11-13 18:18:03 -0800454 info. Disabling this option could be useful to reduce SPL boot time
Simon Glass6324cce2018-11-15 18:43:57 -0700455 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
456
Andreas Dannenbergaa4ad4b2019-06-04 17:55:45 -0500457config SPL_EARLY_BSS
458 depends on ARM && !ARM64
459 bool "Allows initializing BSS early before entering board_init_f"
460 help
461 On some platform we have sufficient memory available early on to
462 allow setting up and using a basic BSS prior to entering
463 board_init_f. Activating this option will also de-activate the
464 clearing of BSS during the SPL relocation process, thus allowing
465 to carry state from board_init_f to board_init_r by way of BSS.
466
Simon Glassf481ab12016-09-24 18:19:56 -0600467config SPL_DISPLAY_PRINT
Simon Glassf481ab12016-09-24 18:19:56 -0600468 bool "Display a board-specific message in SPL"
469 help
470 If this option is enabled, U-Boot will call the function
471 spl_display_print() immediately after displaying the SPL console
472 banner ("U-Boot SPL ..."). This function should be provided by
473 the board.
474
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200475config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
476 bool "MMC raw mode: by sector"
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300477 default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \
478 ARCH_MX6 || ARCH_MX7 || \
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200479 ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
480 ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Bin Menge9ead4a2021-03-17 11:10:58 +0800481 OMAP44XX || OMAP54XX || AM33XX || AM43XX || \
Green Wan2e5da522021-05-27 06:52:13 -0700482 TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200483 help
484 Use sector number for specifying U-Boot location on MMC/SD in
485 raw mode.
486
487config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
488 hex "Address on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000489 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100490 default 0x40 if ARCH_SUNXI
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200491 default 0x75 if ARCH_DAVINCI
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300492 default 0x8a if ARCH_MX6 || ARCH_MX7
Kever Yang6cc131d2017-11-02 15:16:34 +0800493 default 0x100 if ARCH_UNIPHIER
Pali Rohárcf97b822021-07-23 11:14:29 +0200494 default 0x0 if ARCH_MVEBU
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200495 default 0x200 if ARCH_SOCFPGA || ARCH_AT91
496 default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530497 OMAP54XX || AM33XX || AM43XX || ARCH_K3
Kever Yang6cc131d2017-11-02 15:16:34 +0800498 default 0x4000 if ARCH_ROCKCHIP
Green Wan2e5da522021-05-27 06:52:13 -0700499 default 0x822 if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200500 help
501 Address on the MMC to load U-Boot from, when the MMC is being used
502 in raw mode. Units: MMC sectors (1 sector = 512 bytes).
503
Baruch Siachfef81be2020-01-15 09:08:08 +0200504config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET
505 hex "U-Boot main hardware partition image offset"
506 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100507 default 0x10 if ARCH_SUNXI
Baruch Siachfef81be2020-01-15 09:08:08 +0200508 default 0x0
509 help
510 On some platforms SPL location depends on hardware partition. The ROM
511 code skips the MBR sector when loading SPL from main hardware data
512 partition. This adds offset to the main U-Boot image. Set this symbol
513 to the number of skipped sectors.
514
515 If unsure, leave the default.
516
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800517config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
518 bool "MMC Raw mode: by partition"
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800519 help
520 Use a partition for loading U-Boot when using MMC/SD in raw mode.
521
522config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
523 hex "Partition to use to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000524 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800525 default 1
526 help
527 Partition on the MMC to load U-Boot from when the MMC is being
528 used in raw mode
529
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800530config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
531 bool "MMC raw mode: by partition type"
Tom Rini3c82f982017-05-22 19:21:57 +0000532 depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800533 help
534 Use partition type for specifying U-Boot partition on MMC/SD in
535 raw mode. U-Boot will be loaded from the first partition of this
536 type to be found.
537
538config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE
539 hex "Partition Type on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000540 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800541 help
542 Partition Type on the MMC to load U-Boot from, when the MMC is being
543 used in raw mode.
544
Anatolij Gustschin137b8732019-10-18 21:38:33 +0200545config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
546 bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition"
547 depends on SUPPORT_EMMC_BOOT
548 help
549 eMMC boot partition is normally configured by the bits of the EXT_CSD
550 register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some
551 cases it might be required in SPL to load the image from different
552 partition than the partition selected by EXT_CSC_PART_CONFIG register.
553 Enable this option if you intend to use an eMMC boot partition other
554 then selected via EXT_CSC_PART_CONFIG register and specify the custom
555 partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
556 option.
557
558config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
559 int "Number of the eMMC boot partition to use"
560 depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
561 default 1
562 help
563 eMMC boot partition number to use when the eMMC in raw mode and
564 the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL
565 by user defined partition number.
566
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100567config SPL_FIT_IMAGE_TINY
568 bool "Remove functionality from SPL FIT loading to reduce size"
569 depends on SPL_FIT
Jernej Skrabecda8ae612021-01-11 21:11:34 +0100570 default y if MACH_SUN50I || MACH_SUN50I_H5 || SUN50I_GEN_H6
Peng Fan686a45a2022-07-26 16:40:45 +0800571 default y if ARCH_IMX8M || ARCH_IMX9
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100572 help
573 Enable this to reduce the size of the FIT image loading code
574 in SPL, if space for the SPL binary is very tight.
575
Samuel Hollande646f512020-10-21 21:12:13 -0500576 This skips the recording of each loaded payload
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100577 (i.e. loadable) into the FDT (modifying the loaded FDT to
578 ensure this information is available to the next image
579 invoked).
580
Simon Glassde3fd532021-08-08 12:20:15 -0600581config SPL_CACHE
Rick Chen8b4ee5f2019-11-14 13:52:26 +0800582 bool "Support CACHE drivers"
583 help
584 Enable CACHE drivers in SPL. These drivers can keep data so that
585 future requests for that data can be served faster. Enable this option
586 to build the drivers in drivers/cache as part of an SPL build.
587
Simon Glass2f002162021-03-15 18:11:18 +1300588config SPL_CPU
Simon Glasseca677f2017-01-16 07:03:29 -0700589 bool "Support CPU drivers"
Simon Glasseca677f2017-01-16 07:03:29 -0700590 help
591 Enable this to support CPU drivers in SPL. These drivers can set
592 up CPUs and provide information about them such as the model and
593 name. This can be useful in SPL since setting up the CPUs earlier
594 may improve boot performance. Enable this option to build the
595 drivers in drivers/cpu as part of an SPL build.
596
Simon Glassa8437ce2021-07-10 21:14:25 -0600597config SPL_CRYPTO
Simon Glass1e3911a2016-09-13 07:05:23 -0600598 bool "Support crypto drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600599 help
600 Enable crypto drivers in SPL. These drivers can be used to
601 accelerate secure boot processing in secure applications. Enable
602 this option to build the drivers in drivers/crypto as part of an
603 SPL build.
604
Vignesh Raghavendra3d2ba9c2019-11-15 17:00:41 +0530605config SPL_DMA
Simon Glass1e3911a2016-09-13 07:05:23 -0600606 bool "Support DMA drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600607 help
608 Enable DMA (direct-memory-access) drivers in SPL. These drivers
609 can be used to handle memory-to-peripheral data transfer without
610 the CPU moving the data. Enable this option to build the drivers
611 in drivers/dma as part of an SPL build.
612
Simon Glass284cb9c2021-07-10 21:14:31 -0600613config SPL_DRIVERS_MISC
Simon Glass1e3911a2016-09-13 07:05:23 -0600614 bool "Support misc drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600615 help
616 Enable miscellaneous drivers in SPL. These drivers perform various
617 tasks that don't fall nicely into other categories, Enable this
618 option to build the drivers in drivers/misc as part of an SPL
619 build, for those that support building in SPL (not all drivers do).
620
621config SPL_ENV_SUPPORT
622 bool "Support an environment"
Simon Glass1e3911a2016-09-13 07:05:23 -0600623 help
624 Enable environment support in SPL. The U-Boot environment provides
625 a number of settings (essentially name/value pairs) which can
626 control many aspects of U-Boot's operation. Normally this is not
627 needed in SPL as it has a much simpler task with less
628 configuration. But some boards use this to support 'Falcon' boot
629 on EXT2 and FAT, where SPL boots directly into Linux without
Simon Glass64b723f2017-08-03 12:22:12 -0600630 starting U-Boot first. Enabling this option will make env_get()
Simon Glass6a38e412017-08-03 12:22:09 -0600631 and env_set() available in SPL.
Simon Glass1e3911a2016-09-13 07:05:23 -0600632
B, Ravie94b0242016-09-28 14:46:18 +0530633config SPL_SAVEENV
634 bool "Support save environment"
Tom Rini3c82f982017-05-22 19:21:57 +0000635 depends on SPL_ENV_SUPPORT
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100636 select SPL_MMC_WRITE if ENV_IS_IN_MMC
B, Ravie94b0242016-09-28 14:46:18 +0530637 help
638 Enable save environment support in SPL after setenv. By default
639 the saveenv option is not provided in SPL, but some boards need
640 this support in 'Falcon' boot, where SPL need to boot from
641 different images based on environment variable set by OS. For
642 example OS may set "reboot_image" environment variable to
643 "recovery" inorder to boot recovery image by SPL. The SPL read
644 "reboot_image" and act accordingly and change the reboot_image
Shyam Sainiefe757c2018-06-07 19:47:19 +0530645 to default mode using setenv and save the environment.
B, Ravie94b0242016-09-28 14:46:18 +0530646
Simon Glasse5cd9a42021-07-10 21:14:26 -0600647config SPL_ETH
Simon Glass1e3911a2016-09-13 07:05:23 -0600648 bool "Support Ethernet"
649 depends on SPL_ENV_SUPPORT
Simon Glass1d926242021-08-08 12:20:31 -0600650 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -0600651 help
652 Enable access to the network subsystem and associated Ethernet
653 drivers in SPL. This permits SPL to load U-Boot over an Ethernet
654 link rather than from an on-board peripheral. Environment support
655 is required since the network stack uses a number of environment
Simon Glass041a0ac2021-08-08 12:20:30 -0600656 variables. See also SPL_NET.
Simon Glass1e3911a2016-09-13 07:05:23 -0600657
Tien Fong Chee6091dd12019-01-23 14:20:05 +0800658config SPL_FS_EXT4
Simon Glass1e3911a2016-09-13 07:05:23 -0600659 bool "Support EXT filesystems"
Simon Glass1e3911a2016-09-13 07:05:23 -0600660 help
661 Enable support for EXT2/3/4 filesystems with SPL. This permits
662 U-Boot (or Linux in Falcon mode) to be loaded from an EXT
663 filesystem from within SPL. Support for the underlying block
664 device (e.g. MMC or USB) must be enabled separately.
665
Joao Marcos Costa29da3742020-07-30 15:33:47 +0200666config SPL_FS_SQUASHFS
667 bool "Support SquashFS filesystems"
668 select FS_SQUASHFS
669 help
670 Enable support for SquashFS filesystems with SPL. This permits
671 U-Boot (or Linux in Falcon mode) to be loaded from a SquashFS
672 filesystem from within SPL. Support for the underlying block
673 device (e.g. MMC or USB) must be enabled separately.
674
Tien Fong Chee6fd0a712019-01-23 14:20:03 +0800675config SPL_FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600676 bool "Support FAT filesystems"
Sekhar Nori1909a7b2017-06-02 17:53:59 +0530677 select FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600678 help
679 Enable support for FAT and VFAT filesystems with SPL. This
680 permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
681 filesystem from within SPL. Support for the underlying block
682 device (e.g. MMC or USB) must be enabled separately.
683
Tom Rinia4f2ab92022-05-13 17:12:35 -0400684config SPL_FS_LOAD_PAYLOAD_NAME
685 string "File to load for U-Boot from the filesystem"
Kautuk Consula3a5d682022-12-07 17:12:36 +0530686 depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS || SPL_SEMIHOSTING
Tom Rinia4f2ab92022-05-13 17:12:35 -0400687 default "tispl.bin" if SYS_K3_SPL_ATF
688 default "u-boot.itb" if SPL_LOAD_FIT
689 default "u-boot.img"
690 help
691 Filename to read to load U-Boot when reading from filesystem.
692
693config SPL_FS_LOAD_KERNEL_NAME
694 string "File to load for the OS kernel from the filesystem"
695 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
696 default "uImage"
697 help
698 Filename to read to load for the OS kernel when reading from the
699 filesystem.
700
701config SPL_FS_LOAD_ARGS_NAME
702 string "File to load for the OS kernel argument parameters from the filesystem"
703 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
704 default "args"
705 help
706 Filename to read to load for the OS kernel argument parameters from
707 the filesystem.
708
Tien Fong Chee87fda0c2019-01-23 14:20:04 +0800709config SPL_FAT_WRITE
710 bool "Support write for FAT filesystems"
711 help
712 Enable write support for FAT and VFAT filesystems with SPL.
713 Support for the underlying block device (e.g. MMC or USB) must be
714 enabled separately.
715
Michal Simek1aab1142020-09-09 14:41:56 +0200716config SPL_FPGA
Simon Glass1e3911a2016-09-13 07:05:23 -0600717 bool "Support FPGAs"
Simon Glass1e3911a2016-09-13 07:05:23 -0600718 help
719 Enable support for FPGAs in SPL. Field-programmable Gate Arrays
720 provide software-configurable hardware which is typically used to
721 implement peripherals (such as UARTs, LCD displays, MMC) or
722 accelerate custom processing functions, such as image processing
723 or machine learning. Sometimes it is useful to program the FPGA
724 as early as possible during boot, and this option can enable that
725 within SPL.
726
Simon Glass035939e2021-07-10 21:14:30 -0600727config SPL_GPIO
Simon Glass592d5b92018-11-15 18:43:55 -0700728 bool "Support GPIO in SPL"
Simon Glass1e3911a2016-09-13 07:05:23 -0600729 help
730 Enable support for GPIOs (General-purpose Input/Output) in SPL.
731 GPIOs allow U-Boot to read the state of an input line (high or
732 low) and set the state of an output line. This can be used to
733 drive LEDs, control power to various system parts and read user
734 input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
735 for example. Enable this option to build the drivers in
736 drivers/gpio as part of an SPL build.
737
Simon Glassbccfc2e2021-07-10 21:14:36 -0600738config SPL_I2C
Simon Glass1e3911a2016-09-13 07:05:23 -0600739 bool "Support I2C"
Simon Glass1e3911a2016-09-13 07:05:23 -0600740 help
741 Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
742 I2C works with a clock and data line which can be driven by a
743 one or more masters or slaves. It is a fairly complex bus but is
744 widely used as it only needs two lines for communication. Speeds of
745 400kbps are typical but up to 3.4Mbps is supported by some
746 hardware. I2C can be useful in SPL to configure power management
747 ICs (PMICs) before raising the CPU clock speed, for example.
748 Enable this option to build the drivers in drivers/i2c as part of
749 an SPL build.
750
751config SPL_LIBCOMMON_SUPPORT
752 bool "Support common libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600753 help
754 Enable support for common U-Boot libraries within SPL. These
755 libraries include common code to deal with U-Boot images,
756 environment and USB, for example. This option is enabled on many
757 boards. Enable this option to build the code in common/ as part of
758 an SPL build.
759
760config SPL_LIBDISK_SUPPORT
Simon Goldschmidt62067052018-08-16 09:44:55 +0200761 bool "Support disk partitions"
Tom Rini1794ae62018-12-05 08:23:38 -0500762 select PARTITIONS
Simon Glass1e3911a2016-09-13 07:05:23 -0600763 help
764 Enable support for disk partitions within SPL. 'Disk' is something
765 of a misnomer as it includes non-spinning media such as flash (as
766 used in MMC and USB sticks). Partitions provide a way for a disk
767 to be split up into separate regions, with a partition table placed
768 at the start or end which describes the location and size of each
769 'partition'. These partitions are typically uses as individual block
770 devices, typically with an EXT2 or FAT filesystem in each. This
771 option enables whatever partition support has been enabled in
772 U-Boot to also be used in SPL. It brings in the code in disk/.
773
774config SPL_LIBGENERIC_SUPPORT
775 bool "Support generic libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600776 help
777 Enable support for generic U-Boot libraries within SPL. These
778 libraries include generic code to deal with device tree, hashing,
779 printf(), compression and the like. This option is enabled on many
780 boards. Enable this option to build the code in lib/ as part of an
781 SPL build.
782
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530783config SPL_DM_MAILBOX
784 bool "Support Mailbox"
Tom Rini78896ae2022-05-31 10:24:55 -0400785 depends on SPL_DM
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530786 help
787 Enable support for Mailbox within SPL. This enable the inter
788 processor communication protocols tobe used within SPL. Enable
789 this option to build the drivers in drivers/mailbox as part of
790 SPL build.
791
Roger Quadrosb576fbf2022-10-20 16:30:47 +0300792config SPL_MEMORY
793 bool "Support Memory controller drivers"
794 help
795 Enable support for Memory Controller drivers within SPL.
796 These devices provide Memory bus interface to various devices like
797 SRAM, Ethernet adapters, FPGAs, etc.
798
Simon Glassb58bfe02021-08-08 12:20:09 -0600799config SPL_MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600800 bool "Support MMC"
Tom Rini3c82f982017-05-22 19:21:57 +0000801 depends on MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600802 help
803 Enable support for MMC (Multimedia Card) within SPL. This enables
804 the MMC protocol implementation and allows any enabled drivers to
805 be used within SPL. MMC can be used with or without disk partition
806 support depending on the application (SPL_LIBDISK_SUPPORT). Enable
807 this option to build the drivers in drivers/mmc as part of an SPL
808 build.
809
Pali Rohára0811552023-01-21 15:13:08 +0100810config SYS_MMCSD_FS_BOOT
811 bool "MMC FS Boot mode"
812 depends on SPL_MMC
813 default y if !ARCH_MVEBU
814 help
815 Enable MMC FS Boot mode. Partition is selected by option
816 SYS_MMCSD_FS_BOOT_PARTITION.
817
Adam Ford98a87cf2020-07-03 10:17:30 -0500818config SYS_MMCSD_FS_BOOT_PARTITION
819 int "MMC Boot Partition"
Pali Rohára0811552023-01-21 15:13:08 +0100820 depends on SYS_MMCSD_FS_BOOT
Adam Ford98a87cf2020-07-03 10:17:30 -0500821 default 1
822 help
823 Partition on the MMC to load U-Boot from when the MMC is being
Jérôme Carreterod0a8e592022-03-15 16:34:51 -0400824 used in fs mode.
825 Use -1 as a special value to use the first bootable partition.
Adam Ford98a87cf2020-07-03 10:17:30 -0500826
Ezequiel Garcia66983182019-05-25 19:25:21 -0300827config SPL_MMC_TINY
828 bool "Tiny MMC framework in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600829 depends on SPL_MMC
Ezequiel Garcia66983182019-05-25 19:25:21 -0300830 help
831 Enable MMC framework tinification support. This option is useful if
832 if your SPL is extremely size constrained. Heed the warning, enable
833 this option if and only if you know exactly what you are doing, if
834 you are reading this help text, you most likely have no idea :-)
835
836 The MMC framework is reduced to bare minimum to be useful. No malloc
837 support is needed for the MMC framework operation with this option
838 enabled. The framework supports exactly one MMC device and exactly
839 one MMC driver. The MMC driver can be adjusted to avoid any malloc
840 operations too, which can remove the need for malloc support in SPL
841 and thus further reduce footprint.
842
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100843config SPL_MMC_WRITE
844 bool "MMC/SD/SDIO card support for write operations in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600845 depends on SPL_MMC
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100846 help
847 Enable write access to MMC and SD Cards in SPL
848
849
Simon Glass64571062021-08-08 12:20:16 -0600850config SPL_MPC8XXX_INIT_DDR
Simon Glass1e3911a2016-09-13 07:05:23 -0600851 bool "Support MPC8XXX DDR init"
Simon Glass1e3911a2016-09-13 07:05:23 -0600852 help
853 Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
854 random-access memory) on the MPC8XXX family within SPL. This
855 allows DRAM to be set up before loading U-Boot into that DRAM,
856 where it can run.
857
858config SPL_MTD_SUPPORT
859 bool "Support MTD drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600860 help
861 Enable support for MTD (Memory Technology Device) within SPL. MTD
862 provides a block interface over raw NAND and can also be used with
863 SPI flash. This allows SPL to load U-Boot from supported MTD
864 devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how
865 to enable specific MTD drivers.
866
Simon Glass762b9972021-07-10 21:14:27 -0600867config SPL_MUSB_NEW
Simon Glass1e3911a2016-09-13 07:05:23 -0600868 bool "Support new Mentor Graphics USB"
Simon Glass1e3911a2016-09-13 07:05:23 -0600869 help
870 Enable support for Mentor Graphics USB in SPL. This is a new
871 driver used by some boards. Enable this option to build
872 the drivers in drivers/usb/musb-new as part of an SPL build. The
873 old drivers are in drivers/usb/musb.
874
875config SPL_NAND_SUPPORT
876 bool "Support NAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -0600877 help
878 Enable support for NAND (Negative AND) flash in SPL. NAND flash
879 can be used to allow SPL to load U-Boot from supported devices.
Miquel Raynal1f1ae152018-08-16 17:30:07 +0200880 This enables the drivers in drivers/mtd/nand/raw as part of an SPL
Simon Glass1e3911a2016-09-13 07:05:23 -0600881 build.
882
Tom Rini2d03b912022-05-13 12:46:23 -0400883config SPL_NAND_RAW_ONLY
884 bool "Support to boot only raw u-boot.bin images"
885 depends on SPL_NAND_SUPPORT
886 help
887 Use this only if you need to save space.
888
Adam Ford3a383772020-07-03 08:09:44 -0500889config SPL_NAND_DRIVERS
890 bool "Use standard NAND driver"
891 help
892 SPL uses normal NAND drivers, not minimal drivers.
893
894config SPL_NAND_ECC
Tom Rini2d03b912022-05-13 12:46:23 -0400895 bool "Include standard ECC in SPL"
896
897config SPL_NAND_SOFTECC
898 bool "Use software ECC in SPL"
899 depends on SPL_NAND_ECC
Adam Ford3a383772020-07-03 08:09:44 -0500900
901config SPL_NAND_SIMPLE
902 bool "Support simple NAND drivers in SPL"
903 help
904 Support for NAND boot using simple NAND drivers that
905 expose the cmd_ctrl() interface.
906
Adam Ford5e56ad02020-07-03 08:09:45 -0500907config SPL_NAND_BASE
developer81670fe2022-05-20 11:23:53 +0800908 depends on SPL_NAND_SUPPORT
Adam Ford5e56ad02020-07-03 08:09:45 -0500909 bool "Use Base NAND Driver"
Michal Simek0606f9e2021-05-20 13:08:44 +0200910 help
911 Include nand_base.c in the SPL.
Adam Ford5e56ad02020-07-03 08:09:45 -0500912
913config SPL_NAND_IDENT
914 depends on SPL_NAND_BASE
915 bool "Use chip ID to identify NAND flash"
916 help
917 SPL uses the chip ID list to identify the NAND flash.
918
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200919config SPL_UBI
920 bool "Support UBI"
921 help
922 Enable support for loading payloads from UBI. See
923 README.ubispl for more info.
924
Tom Rini78896ae2022-05-31 10:24:55 -0400925menu "UBI configuration for SPL"
926 depends on SPL_UBI
Lukasz Majewski76f442982020-06-04 23:11:53 +0800927
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200928config SPL_UBI_LOAD_BY_VOLNAME
929 bool "Support loading volumes by name"
930 help
931 This enables support for loading UBI volumes by name. When this
932 is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to
933 configure the volume name from which to load U-Boot.
934
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200935config SPL_UBI_MAX_VOL_LEBS
936 int "Maximum number of LEBs per volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200937 help
938 The maximum number of logical eraseblocks which a static volume
939 to load can contain. Used for sizing the scan data structure.
940
941config SPL_UBI_MAX_PEB_SIZE
942 int "Maximum PEB size"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200943 help
944 The maximum physical erase block size.
945
946config SPL_UBI_MAX_PEBS
947 int "Maximum number of PEBs"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200948 help
949 The maximum physical erase block size. If not overridden by
950 board code, this value will be used as the actual number of PEBs.
951
952config SPL_UBI_PEB_OFFSET
953 int "Offset to first UBI PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200954 help
955 The offset in number of PEBs from the start of flash to the first
956 PEB part of the UBI image.
957
958config SPL_UBI_VID_OFFSET
959 int "Offset to VID header"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200960
961config SPL_UBI_LEB_START
962 int "Offset to LEB in PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200963 help
964 The offset in bytes to the LEB within a PEB.
965
966config SPL_UBI_INFO_ADDR
967 hex "Address to place UBI scan info"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200968 help
969 Address for ubispl to place the scan info. Read README.ubispl to
970 determine the required size
971
972config SPL_UBI_VOL_IDS
973 int "Maximum volume id"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200974 help
975 The maximum volume id which can be loaded. Used for sizing the
976 scan data structure.
977
978config SPL_UBI_LOAD_MONITOR_ID
979 int "id of U-Boot volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200980 help
981 The UBI volume id from which to load U-Boot
982
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200983config SPL_UBI_LOAD_MONITOR_VOLNAME
984 string "volume name of U-Boot volume"
985 depends on SPL_UBI_LOAD_BY_VOLNAME
986 help
987 The UBI volume name from which to load U-Boot
988
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200989config SPL_UBI_LOAD_KERNEL_ID
990 int "id of kernel volume"
Tom Rini78896ae2022-05-31 10:24:55 -0400991 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200992 help
993 The UBI volume id from which to load the kernel
994
995config SPL_UBI_LOAD_ARGS_ID
996 int "id of kernel args volume"
Tom Rini78896ae2022-05-31 10:24:55 -0400997 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200998 help
999 The UBI volume id from which to load the device tree
1000
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001001config UBI_SPL_SILENCE_MSG
1002 bool "silence UBI SPL messages"
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001003 help
1004 Disable messages from UBI SPL. This leaves warnings
1005 and errors enabled.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001006
Tom Rini78896ae2022-05-31 10:24:55 -04001007endmenu
1008
1009config SPL_DM_SPI
1010 bool "Support SPI DM drivers in SPL"
1011 depends on SPL_DM
1012 help
1013 Enable support for SPI DM drivers in SPL.
1014
1015config SPL_DM_SPI_FLASH
1016 bool "Support SPI DM FLASH drivers in SPL"
1017 depends on SPL_DM
1018 help
1019 Enable support for SPI DM flash drivers in SPL.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001020
Simon Glass041a0ac2021-08-08 12:20:30 -06001021config SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001022 bool "Support networking"
Simon Glass1e3911a2016-09-13 07:05:23 -06001023 help
1024 Enable support for network devices (such as Ethernet) in SPL.
1025 This permits SPL to load U-Boot over a network link rather than
1026 from an on-board peripheral. Environment support is required since
1027 the network stack uses a number of environment variables. See also
Simon Glasse5cd9a42021-07-10 21:14:26 -06001028 SPL_ETH.
Simon Glass1e3911a2016-09-13 07:05:23 -06001029
Simon Glass1e3911a2016-09-13 07:05:23 -06001030config SPL_NET_VCI_STRING
1031 string "BOOTP Vendor Class Identifier string sent by SPL"
Tom Rini78896ae2022-05-31 10:24:55 -04001032 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001033 help
1034 As defined by RFC 2132 the vendor class identifier field can be
1035 sent by the client to identify the vendor type and configuration
1036 of a client. This is often used in practice to allow for the DHCP
1037 server to specify different files to load depending on if the ROM,
1038 SPL or U-Boot itself makes the request
Simon Glass1e3911a2016-09-13 07:05:23 -06001039
1040config SPL_NO_CPU_SUPPORT
Tom Rini78896ae2022-05-31 10:24:55 -04001041 def_bool y
1042 depends on (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
Simon Glass1e3911a2016-09-13 07:05:23 -06001043 help
1044 This is specific to the ARM926EJ-S CPU. It disables the standard
1045 start.S start-up code, presumably so that a replacement can be
1046 used on that CPU. You should not enable it unless you know what
1047 you are doing.
1048
1049config SPL_NOR_SUPPORT
1050 bool "Support NOR flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001051 help
1052 Enable support for loading U-Boot from memory-mapped NOR (Negative
1053 OR) flash in SPL. NOR flash is slow to write but fast to read, and
1054 a memory-mapped device makes it very easy to access. Loading from
1055 NOR is typically achieved with just a memcpy().
1056
Vikas Manocha9e582652017-05-28 12:55:11 -07001057config SPL_XIP_SUPPORT
1058 bool "Support XIP"
Vikas Manocha9e582652017-05-28 12:55:11 -07001059 help
1060 Enable support for execute in place of U-Boot or kernel image. There
1061 is no need to copy image from flash to ram if flash supports execute
1062 in place. Its very useful in systems having enough flash but not
1063 enough ram to load the image.
1064
Simon Glass1e3911a2016-09-13 07:05:23 -06001065config SPL_ONENAND_SUPPORT
1066 bool "Support OneNAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001067 help
1068 Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is
1069 a type of NAND flash and therefore can be used to allow SPL to
1070 load U-Boot from supported devices. This enables the drivers in
1071 drivers/mtd/onenand as part of an SPL build.
1072
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001073config SPL_OS_BOOT
1074 bool "Activate Falcon Mode"
Tom Rini3c82f982017-05-22 19:21:57 +00001075 depends on !TI_SECURE_DEVICE
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001076 help
1077 Enable booting directly to an OS from SPL.
1078 for more info read doc/README.falcon
1079
Simon Glass259cdb42023-09-26 08:14:17 -06001080config SPL_PAYLOAD_ARGS_ADDR
Tom Rini2c9d2b52022-05-27 22:06:52 -04001081 hex "Address in memory to load 'args' file for Falcon Mode to"
1082 depends on SPL_OS_BOOT
1083 default 0x88000000 if ARCH_OMAP2PLUS
1084 help
1085 Address in memory where the 'args' file, typically a device tree
1086 will be loaded in to memory.
1087
Tom Rini9568a0e2022-05-28 16:43:53 -04001088config SYS_NAND_SPL_KERNEL_OFFS
1089 hex "Address in memory to load the OS file for Falcon mode to"
1090 depends on SPL_OS_BOOT && SPL_NAND_SUPPORT
1091
Heiko Schocher65928932016-10-06 07:55:16 +02001092config SYS_OS_BASE
1093 hex "addr, where OS is found"
Tom Rini78896ae2022-05-31 10:24:55 -04001094 depends on SPL_OS_BOOT && SPL_NOR_SUPPORT
Heiko Schocher65928932016-10-06 07:55:16 +02001095 help
1096 Specify the address, where the OS image is found, which
1097 gets booted.
1098
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001099config SPL_FALCON_BOOT_MMCSD
1100 bool "Enable Falcon boot from MMC or SD media"
1101 depends on SPL_OS_BOOT && SPL_MMC
1102 help
1103 Select this if the Falcon mode OS image mode is on MMC or SD media.
1104
1105config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
1106 hex "Falcon mode: Sector to load kernel uImage from MMC"
1107 depends on SPL_FALCON_BOOT_MMCSD
1108 help
1109 When Falcon mode is used with an MMC or SD media, SPL needs to know
1110 where to look for the kernel uImage. The image is expected to begin
1111 at the raw MMC specified in this config.
1112 Note that the Falcon mode image can also be a FIT, if FIT support is
1113 enabled.
1114
Tom Rinif95c2592022-05-28 17:21:03 -04001115config SYS_MMCSD_RAW_MODE_ARGS_SECTOR
1116 hex "Falcon mode: Sector to load 'args' from MMC"
1117 depends on SPL_FALCON_BOOT_MMCSD
1118 help
1119 When Falcon mode is used with an MMC or SD media, SPL needs to know
1120 where to look for the OS 'args', typically a device tree. The
1121 contents are expected to begin at the raw MMC specified in this config.
1122 Note that if using a FIT image, this and the next option can be set to
1123 0x0.
1124
1125config SYS_MMCSD_RAW_MODE_ARGS_SECTORS
1126 hex "Falcon mode: Number of sectors to load for 'args' from MMC"
1127 depends on SPL_FALCON_BOOT_MMCSD && SYS_MMCSD_RAW_MODE_ARGS_SECTOR != 0x0
1128
York Sun53492672018-06-14 14:38:48 -07001129config SPL_PAYLOAD
1130 string "SPL payload"
1131 default "tpl/u-boot-with-tpl.bin" if TPL
1132 default "u-boot.bin"
1133 help
Chris Packham37bc3162019-01-13 22:13:20 +13001134 Payload for SPL boot. For backward compatibility, default to
York Sun53492672018-06-14 14:38:48 -07001135 u-boot.bin, i.e. RAW image without any header. In case of
1136 TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to
1137 use u-boot.img.
1138
Sekhar Nori9108d922018-12-06 15:40:08 +05301139config SPL_PCI
Simon Glass6569f3a2017-01-16 07:03:30 -07001140 bool "Support PCI drivers"
Simon Glass6569f3a2017-01-16 07:03:30 -07001141 help
1142 Enable support for PCI in SPL. For platforms that need PCI to boot,
1143 or must perform some init using PCI in SPL, this provides the
1144 necessary driver support. This enables the drivers in drivers/pci
1145 as part of an SPL build.
1146
Simon Glassff67f232021-08-08 12:20:10 -06001147config SPL_PCH
Simon Glass36258a52017-01-16 07:03:33 -07001148 bool "Support PCH drivers"
Simon Glass36258a52017-01-16 07:03:33 -07001149 help
1150 Enable support for PCH (Platform Controller Hub) devices in SPL.
1151 These are used to set up GPIOs and the SPI peripheral early in
1152 boot. This enables the drivers in drivers/pch as part of an SPL
1153 build.
1154
Simon Glass1e3911a2016-09-13 07:05:23 -06001155config SPL_POST_MEM_SUPPORT
1156 bool "Support POST drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001157 help
1158 Enable support for POST (Power-on Self Test) in SPL. POST is a
1159 procedure that checks that the hardware (CPU or board) appears to
1160 be functionally correctly. It is a sanity check that can be
1161 performed before booting. This enables the drivers in post/drivers
1162 as part of an SPL build.
1163
Ley Foon Tan9caf7122018-06-14 18:45:19 +08001164config SPL_DM_RESET
Patrick Delaunay329827a2018-03-12 10:46:05 +01001165 bool "Support reset drivers"
Tom Rini78896ae2022-05-31 10:24:55 -04001166 depends on SPL_DM
Patrick Delaunay329827a2018-03-12 10:46:05 +01001167 help
1168 Enable support for reset control in SPL.
1169 That can be useful in SPL to handle IP reset in driver, as in U-Boot,
1170 by using the generic reset API provided by driver model.
1171 This enables the drivers in drivers/reset as part of an SPL build.
1172
Simon Glasse91ac4c2021-07-10 21:14:24 -06001173config SPL_POWER
Simon Glass1e3911a2016-09-13 07:05:23 -06001174 bool "Support power drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001175 help
1176 Enable support for power control in SPL. This includes support
1177 for PMICs (Power-management Integrated Circuits) and some of the
1178 features provided by PMICs. In particular, voltage regulators can
1179 be used to enable/disable power and vary its voltage. That can be
1180 useful in SPL to turn on boot peripherals and adjust CPU voltage
1181 so that the clock speed can be increased. This enables the drivers
1182 in drivers/power, drivers/power/pmic and drivers/power/regulator
1183 as part of an SPL build.
1184
Peng Fan3775fed2018-07-27 10:20:37 +08001185config SPL_POWER_DOMAIN
1186 bool "Support power domain drivers"
Simon Glassa0e44872021-08-08 12:20:29 -06001187 select SPL_POWER
Peng Fan3775fed2018-07-27 10:20:37 +08001188 help
1189 Enable support for power domain control in SPL. Many SoCs allow
1190 power to be applied to or removed from portions of the SoC (power
1191 domains). This may be used to save power. This API provides the
1192 means to control such power management hardware. This enables
1193 the drivers in drivers/power/domain as part of a SPL build.
1194
Stefan Agnercd01e642016-12-23 07:51:53 +01001195config SPL_RAM_SUPPORT
1196 bool "Support booting from RAM"
Trevor Woerner513f6402020-05-06 08:02:41 -04001197 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnercd01e642016-12-23 07:51:53 +01001198 help
1199 Enable booting of an image in RAM. The image can be preloaded or
1200 it can be loaded by SPL directly into RAM (e.g. using USB).
1201
Stefan Agnere2eaac12016-12-23 07:51:52 +01001202config SPL_RAM_DEVICE
1203 bool "Support booting from preloaded image in RAM"
Stefan Agnercd01e642016-12-23 07:51:53 +01001204 depends on SPL_RAM_SUPPORT
Trevor Woerner513f6402020-05-06 08:02:41 -04001205 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnere2eaac12016-12-23 07:51:52 +01001206 help
1207 Enable booting of an image already loaded in RAM. The image has to
1208 be already in memory when SPL takes over, e.g. loaded by the boot
1209 ROM.
1210
Lokesh Vutla1a6f8e02018-08-27 15:57:53 +05301211config SPL_REMOTEPROC
1212 bool "Support REMOTEPROCS"
1213 help
1214 Enable support for REMOTEPROCs in SPL. This permits to load
1215 a remote processor firmware in SPL.
1216
Simon Glass31985312021-08-08 12:20:11 -06001217config SPL_RTC
Simon Glassb69691b2017-01-16 07:03:31 -07001218 bool "Support RTC drivers"
Simon Glassb69691b2017-01-16 07:03:31 -07001219 help
1220 Enable RTC (Real-time Clock) support in SPL. This includes support
1221 for reading and setting the time. Some RTC devices also have some
1222 non-volatile (battery-backed) memory which is accessible if
1223 needed. This enables the drivers in drivers/rtc as part of an SPL
1224 build.
1225
Simon Glass081a45a2021-08-08 12:20:17 -06001226config SPL_SATA
Simon Glass1e3911a2016-09-13 07:05:23 -06001227 bool "Support loading from SATA"
Simon Glass1e3911a2016-09-13 07:05:23 -06001228 help
1229 Enable support for SATA (Serial AT attachment) in SPL. This allows
1230 use of SATA devices such as hard drives and flash drivers for
1231 loading U-Boot. SATA is used in higher-end embedded systems and
1232 can provide higher performance than MMC , at somewhat higher
1233 expense and power consumption. This enables loading from SATA
1234 using a configured device.
1235
Tom Rinia0a6f692022-11-16 13:10:35 -05001236config SYS_SATA_FAT_BOOT_PARTITION
1237 int "Partition on the SATA disk to load U-Boot from"
1238 depends on SPL_SATA && SPL_FS_FAT
1239 default 1
1240
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001241config SPL_SATA_RAW_U_BOOT_USE_SECTOR
1242 bool "SATA raw mode: by sector"
Simon Glass081a45a2021-08-08 12:20:17 -06001243 depends on SPL_SATA
Pali Rohárcf97b822021-07-23 11:14:29 +02001244 default y if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001245 help
1246 Use sector number for specifying U-Boot location on SATA disk in
1247 raw mode.
1248
1249config SPL_SATA_RAW_U_BOOT_SECTOR
1250 hex "Sector on the SATA disk to load U-Boot from"
1251 depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR
Pali Rohárcf97b822021-07-23 11:14:29 +02001252 default 0x1 if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001253 help
1254 Sector on the SATA disk to load U-Boot from, when the SATA disk is being
1255 used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes).
1256
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301257config SPL_NVME
1258 bool "NVM Express device support"
1259 depends on BLK
1260 select HAVE_BLOCK_DEVICE
1261 select FS_LOADER
Mayuresh Chitale5d96a912023-06-03 19:32:54 +05301262 select SPL_BLK_FS
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301263 help
1264 This option enables support for NVM Express devices.
1265 It supports basic functions of NVMe (read/write).
1266
1267config SPL_NVME_PCI
1268 bool "NVM Express PCI device support for SPL"
1269 depends on SPL_PCI && SPL_NVME
1270 help
1271 This option enables support for NVM Express PCI devices.
1272 This allows use of NVMe devices for loading u-boot.
1273
1274config SPL_NVME_BOOT_DEVICE
1275 hex "NVMe boot device number"
1276 depends on SPL_NVME
1277 default 0x0
1278
1279config SYS_NVME_BOOT_PARTITION
1280 hex "NVMe boot partition number"
1281 depends on SPL_NVME
1282 default 0x1
1283
Simon Glassf4d60392021-08-08 12:20:12 -06001284config SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001285 bool "Support serial"
Alex Kiernan5b404282018-04-19 04:32:54 +00001286 select SPL_PRINTF
1287 select SPL_STRTO
Simon Glass1e3911a2016-09-13 07:05:23 -06001288 help
1289 Enable support for serial in SPL. This allows use of a serial UART
1290 for displaying messages while SPL is running. It also brings in
1291 printf() and panic() functions. This should normally be enabled
1292 unless there are space reasons not to. Even then, consider
Simon Glass7611ac62019-09-25 08:56:27 -06001293 enabling SPL_USE_TINY_PRINTF which is a small printf() version.
Simon Glass1e3911a2016-09-13 07:05:23 -06001294
Simon Glassa5820472021-08-08 12:20:14 -06001295config SPL_SPI
Simon Goldschmidt3a025332019-10-25 16:22:09 +02001296 bool "Support SPI drivers"
1297 help
1298 Enable support for using SPI in SPL. This is used for connecting
1299 to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
1300 more details on that. The SPI driver provides the transport for
1301 data between the SPI flash and the CPU. This option can be used to
1302 enable SPI drivers that are needed for other purposes also, such
1303 as a SPI PMIC.
1304
Simon Glass1e3911a2016-09-13 07:05:23 -06001305config SPL_SPI_FLASH_SUPPORT
1306 bool "Support SPI flash drivers"
Simon Glassa5820472021-08-08 12:20:14 -06001307 depends on SPL_SPI
Simon Glass1e3911a2016-09-13 07:05:23 -06001308 help
1309 Enable support for using SPI flash in SPL, and loading U-Boot from
1310 SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
1311 the SPI bus that is used to connect it to a system. It is a simple
1312 but fast bidirectional 4-wire bus (clock, chip select and two data
1313 lines). This enables the drivers in drivers/mtd/spi as part of an
Simon Glassa5820472021-08-08 12:20:14 -06001314 SPL build. This normally requires SPL_SPI.
Simon Glass1e3911a2016-09-13 07:05:23 -06001315
Vignesh R4d848c92019-02-05 11:29:20 +05301316if SPL_SPI_FLASH_SUPPORT
1317
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301318config SPL_SPI_FLASH_TINY
1319 bool "Enable low footprint SPL SPI Flash support"
1320 depends on !SPI_FLASH_BAR
Vignesh Rf53872d2019-02-05 11:29:26 +05301321 default y if SPI_FLASH
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301322 help
1323 Enable lightweight SPL SPI Flash support that supports just reading
1324 data/images from flash. No support to write/erase flash. Enable
1325 this if you have SPL size limitations and don't need full
1326 fledged SPI flash support.
1327
Vignesh R4d848c92019-02-05 11:29:20 +05301328config SPL_SPI_FLASH_SFDP_SUPPORT
1329 bool "SFDP table parsing support for SPI NOR flashes"
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301330 depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY
Vignesh R4d848c92019-02-05 11:29:20 +05301331 help
1332 Enable support for parsing and auto discovery of parameters for
1333 SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP)
1334 tables as per JESD216 standard in SPL.
1335
Lukasz Majewski76f442982020-06-04 23:11:53 +08001336config SPL_SPI_FLASH_MTD
1337 bool "Support for SPI flash MTD drivers in SPL"
1338 help
1339 Enable support for SPI flash MTD drivers in SPL.
1340
Marek Vasute2542252018-04-07 16:05:27 +02001341config SPL_SPI_LOAD
1342 bool "Support loading from SPI flash"
Marek Vasute2542252018-04-07 16:05:27 +02001343 help
1344 Enable support for loading next stage, U-Boot or otherwise, from
1345 SPI NOR in U-Boot SPL.
1346
Vignesh R4d848c92019-02-05 11:29:20 +05301347endif # SPL_SPI_FLASH_SUPPORT
1348
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001349config SYS_SPI_U_BOOT_OFFS
1350 hex "address of u-boot payload in SPI flash"
Andre Przywarae6d9fc02020-01-06 01:29:10 +00001351 default 0x8000 if ARCH_SUNXI
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001352 default 0x0
1353 depends on SPL_SPI_LOAD || SPL_SPI_SUNXI
1354 help
1355 Address within SPI-Flash from where the u-boot payload is fetched
1356 from.
1357
Faiz Abbasae1627c2017-11-14 16:12:31 +05301358config SPL_THERMAL
1359 bool "Driver support for thermal devices"
1360 help
1361 Enable support for temperature-sensing devices. Some SoCs have on-chip
1362 temperature sensors to permit warnings, speed throttling or even
1363 automatic power-off when the temperature gets too high or low. Other
1364 devices may be discrete but connected on a suitable bus.
1365
Simon Glass1ba1d4e2021-07-10 21:14:28 -06001366config SPL_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001367 bool "Support watchdog drivers"
Marek Vasut55ec91b2019-06-09 03:46:21 +02001368 imply SPL_WDT if !HW_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001369 help
1370 Enable support for watchdog drivers in SPL. A watchdog is
1371 typically a hardware peripheral which can reset the system when it
1372 detects no activity for a while (such as a software crash). This
1373 enables the drivers in drivers/watchdog as part of an SPL build.
1374
1375config SPL_YMODEM_SUPPORT
1376 bool "Support loading using Ymodem"
Simon Glassf4d60392021-08-08 12:20:12 -06001377 depends on SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001378 help
1379 While loading from serial is slow it can be a useful backup when
1380 there is no other option. The Ymodem protocol provides a reliable
1381 means of transmitting U-Boot over a serial line for using in SPL,
1382 with a checksum to ensure correctness.
1383
Philipp Tomsichf6618812017-09-13 21:29:36 +02001384config SPL_ATF
Kever Yang6e79a912017-05-05 11:47:45 +08001385 bool "Support ARM Trusted Firmware"
Samuel Holland27b77832022-10-30 23:26:19 -05001386 depends on ARM64
1387 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Kever Yang6e79a912017-05-05 11:47:45 +08001388 help
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001389 ATF(ARM Trusted Firmware) is a component for ARM AArch64 which
1390 is loaded by SPL (which is considered as BL2 in ATF terminology).
Kever Yang6e79a912017-05-05 11:47:45 +08001391 More detail at: https://github.com/ARM-software/arm-trusted-firmware
1392
Michael Walleafaf6ea2020-11-18 17:45:58 +01001393config SPL_ATF_LOAD_IMAGE_V2
1394 bool "Use the new LOAD_IMAGE_V2 parameter passing"
1395 depends on SPL_ATF
1396 help
1397 Some platforms use the newer LOAD_IMAGE_V2 parameter passing.
1398
1399 If you want to load a bl31 image from the SPL and need the new
1400 method, say Y.
1401
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001402config SPL_ATF_NO_PLATFORM_PARAM
Michal Simek0606f9e2021-05-20 13:08:44 +02001403 bool "Pass no platform parameter"
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001404 depends on SPL_ATF
1405 help
1406 While we expect to call a pointer to a valid FDT (or NULL)
1407 as the platform parameter to an ATF, some ATF versions are
1408 not U-Boot aware and have an insufficiently robust parameter
1409 validation to gracefully reject a FDT being passed.
1410
1411 If this option is enabled, the spl_atf os-type handler will
1412 always pass NULL for the platform parameter.
1413
1414 If your ATF is affected, say Y.
1415
Alex Kiernan10238ef2018-03-15 22:11:46 +00001416config SPL_AM33XX_ENABLE_RTC32K_OSC
1417 bool "Enable the RTC32K OSC on AM33xx based platforms"
Tom Rini78896ae2022-05-31 10:24:55 -04001418 depends on AM33XX
Alex Kiernan10238ef2018-03-15 22:11:46 +00001419 default y if AM33XX
1420 help
1421 Enable access to the AM33xx RTC and select the external 32kHz clock
1422 source.
1423
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001424config SPL_OPTEE_IMAGE
1425 bool "Support OP-TEE Trusted OS image in SPL"
Kever Yanga28d42c2018-08-23 17:17:59 +08001426 depends on ARM
Jagan Teki9bd34ac2022-11-03 11:49:47 +05301427 depends on SPL_LOAD_FIT || SPL_LOAD_FIT_FULL
Kever Yanga28d42c2018-08-23 17:17:59 +08001428 help
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001429 OP-TEE is an open source Trusted OS which is loaded by SPL.
Kever Yanga28d42c2018-08-23 17:17:59 +08001430 More detail at: https://github.com/OP-TEE/optee_os
1431
Lukas Auer515b9342019-08-21 21:14:44 +02001432config SPL_OPENSBI
1433 bool "Support RISC-V OpenSBI"
1434 depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE
Samuel Holland27b77832022-10-30 23:26:19 -05001435 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Lukas Auer515b9342019-08-21 21:14:44 +02001436 help
1437 OpenSBI is an open-source implementation of the RISC-V Supervisor Binary
1438 Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC
1439 firmware. It is loaded and started by U-Boot SPL.
1440
1441 More details are available at https://github.com/riscv/opensbi and
1442 https://github.com/riscv/riscv-sbi-doc
1443
1444config SPL_OPENSBI_LOAD_ADDR
1445 hex "OpenSBI load address"
1446 depends on SPL_OPENSBI
1447 help
1448 Load address of the OpenSBI binary.
1449
Nikita Shubind3d68062022-08-08 13:28:52 +03001450config SPL_OPENSBI_SCRATCH_OPTIONS
1451 hex "Scratch options passed to OpenSBI"
1452 default 0x1
1453 depends on SPL_OPENSBI
1454 help
Heinrich Schuchardta3587892023-07-04 02:14:21 +02001455 This bitmap of options is passed from U-Boot SPL to OpenSBI.
1456 As of OpenSBI 1.3 the following bits are defined:
1457 - SBI_SCRATCH_NO_BOOT_PRINTS = 0x1 (Disable prints during boot)
1458 - SBI_SCRATCH_DEBUG_PRINTS = 0x2 (Enable runtime debug prints)
Nikita Shubind3d68062022-08-08 13:28:52 +03001459
Tom Rini06d06f72022-05-27 17:13:52 -04001460config SPL_TARGET
1461 string "Addtional build targets for 'make'"
1462 default "spl/u-boot-spl.srec" if RCAR_GEN2
1463 default "spl/u-boot-spl.scif" if RCAR_GEN3
1464 default ""
1465 help
1466 On some platforms we need to have 'make' run additional build target
1467 rules. If required on your platform, enter it here, otherwise leave blank.
1468
Tom Rini2aa5e502022-05-30 17:11:23 -04001469
1470config SPL_AT91_MCK_BYPASS
1471 bool "Use external clock signal as a source of main clock for AT91 platforms"
1472 depends on ARCH_AT91
1473 help
1474 Use external 8 to 24 Mhz clock signal as source of main clock instead
1475 of an external crystal oscillator.
1476 This option disables the internal driving on the XOUT pin.
1477 The external source has to provide a stable clock on the XIN pin.
1478 If this option is disabled, the SoC expects a crystal oscillator
1479 that needs driving on both XIN and XOUT lines.
1480endmenu
1481
Tom Rini3c82f982017-05-22 19:21:57 +00001482config TPL
Tom Rini3c82f982017-05-22 19:21:57 +00001483 depends on SUPPORT_TPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001484 bool "Enable TPL"
Tom Rini3c82f982017-05-22 19:21:57 +00001485 help
1486 If you want to build TPL as well as the normal image and SPL, say Y.
1487
Tom Rini0d989c82022-05-30 17:01:22 -04001488source "common/spl/Kconfig.tpl"
Tom Rini3c82f982017-05-22 19:21:57 +00001489
Simon Glasse7ca7da2022-04-30 00:56:53 -06001490config VPL
Simon Glasse7ca7da2022-04-30 00:56:53 -06001491 depends on SUPPORT_SPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001492 bool "Enable VPL"
Simon Glasse7ca7da2022-04-30 00:56:53 -06001493 help
1494 If you want to build VPL as well as the normal image, TPL and SPL,
1495 say Y.
1496
Tom Rini0d989c82022-05-30 17:01:22 -04001497source "common/spl/Kconfig.vpl"