blob: 240543c9c7e7840044f2fcd058f6ce5d3b8d94f5 [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
Paul Kocialkowskif2e354b2024-07-28 22:24:58 +020081 default 0xec00 if OMAP34XX
Tom Riniabb0f522022-05-16 17:20:26 -040082 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
Andre Przywara3f5873f2022-09-13 01:23:58 +010085 default 0xbfa0 if MACH_SUN50I_H616
Tom Riniabb0f522022-05-16 17:20:26 -040086 default 0x7000 if RCAR_GEN3
87 default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
Joel Stanleyb5a48692022-06-29 16:35:22 +093088 default 0x10000 if ASPEED_AST2600
Peng Fan343f3982022-07-26 16:40:31 +080089 default 0x27000 if IMX8MM && SPL_TEXT_BASE = 0x7E1000
Oliver Gaskell14032b32024-09-12 16:50:56 +010090 default 0x30000 if ARCH_SC5XX && (SC59X_64 || SC59X)
Oliver Gaskellcb0d39d2024-09-12 16:51:01 +010091 default 0x20000 if ARCH_SC5XX && (SC58X || SC57X)
Tom Riniabb0f522022-05-16 17:20:26 -040092 default 0x0
93 help
94 Maximum size of the SPL image (text, data, rodata, and linker lists
95 sections), BSS excluded. When defined, the linker checks that the
96 actual size does not exceed it.
97
98config SPL_PAD_TO
99 hex "Offset to which the SPL should be padded before appending the SPL payload"
100 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
101 default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
102 default 0x10000 if ARCH_KEYSTONE
Samuel Holland3d37a012023-10-31 00:17:38 -0500103 default 0x0 if ARCH_MTMIPS || ARCH_SUNXI
Tom Riniabb0f522022-05-16 17:20:26 -0400104 default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE
105 default SPL_MAX_SIZE
106 help
107 Image offset to which the SPL should be padded before appending the
108 SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if
109 CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either
110 0, meaning to append the SPL payload without any padding, or >=
111 CONFIG_SPL_MAX_SIZE.
112
Tom Rini65aa1242022-05-27 10:19:45 -0400113config SPL_HAS_BSS_LINKER_SECTION
114 depends on SPL_FRAMEWORK
115 bool "Use a specific address for the BSS via the linker script"
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100116 default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV || ARCH_ZYNQMP || ARCH_SC5XX
Tom Rini65aa1242022-05-27 10:19:45 -0400117
118config SPL_BSS_START_ADDR
119 hex "Link address for the BSS within the SPL binary"
120 depends on SPL_HAS_BSS_LINKER_SECTION
121 default 0x88200000 if (ARCH_MX6 && (MX6SX || MX6SL || MX6UL || MX6ULL)) || ARCH_MX7
122 default 0x18200000 if ARCH_MX6 && !(MX6SX || MX6SL || MX6UL || MX6ULL)
123 default 0x80a00000 if ARCH_OMAP2PLUS
124 default 0x81f80000 if ARCH_SUNXI && MACH_SUNIV
125 default 0x4ff80000 if ARCH_SUNXI && !(MACH_SUN9I || MACH_SUNIV)
126 default 0x2ff80000 if ARCH_SUNXI && MACH_SUN9I
Stefan Herbrechtsmeier30e73282022-07-14 15:47:33 +0200127 default 0x1000 if ARCH_ZYNQMP
Oliver Gaskell14032b32024-09-12 16:50:56 +0100128 default 0x200B0000 if ARCH_SC5XX && (SC59X_64 || SC59X)
Oliver Gaskell053a1202024-09-12 16:50:58 +0100129 default 0x20080000 if ARCH_SC5XX && SC58X
Oliver Gaskellcb0d39d2024-09-12 16:51:01 +0100130 default 0x200A0000 if ARCH_SC5XX && SC57X
Tom Rini65aa1242022-05-27 10:19:45 -0400131
Tom Rini0cb89e72022-05-19 15:09:22 -0400132choice
133 prompt "Enforce SPL BSS limit"
Tom Rini2aa5e502022-05-30 17:11:23 -0400134 depends on !PPC
Tom Rini0cb89e72022-05-19 15:09:22 -0400135 default SPL_BSS_LIMIT
136 help
137 In some platforms we only want to enforce a limit on the size of the
138 BSS in memory. On other platforms we need to enforce a limit on the
139 whole of the memory allocation as we're strictly limited to a small
140 typically non-DRAM location. Finally, other platforms do not enforce
141 a memory limit within SPL.
142
143config SPL_NO_BSS_LIMIT
144 bool "Do not enforce a build time limit on the size of the BSS"
145
146config SPL_BSS_LIMIT
147 bool "Enforce a limit on the size of the BSS only"
148
149config SPL_FOOTPRINT_LIMIT
150 bool "Enforce a limit on the whole of memory allocated to SPL, BSS included"
151
152endchoice
153
154config SPL_BSS_MAX_SIZE
155 hex "Maximum size in memory allocated to the SPL BSS"
156 depends on SPL_BSS_LIMIT
157 default 0x100000 if ARCH_MX6 || RISCV
158 default 0x80000 if ARCH_OMAP2PLUS || ARCH_SUNXI
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100159 default 0x10000 if ARCH_SC5XX
Tom Rini0cb89e72022-05-19 15:09:22 -0400160 help
161 When non-zero, the linker checks that the actual memory used by SPL
162 from __bss_start to __bss_end does not exceed it.
163
164config SPL_MAX_FOOTPRINT
165 hex "Maximum size in memory allocated to the SPL, BSS included"
166 depends on SPL_FOOTPRINT_LIMIT
167 help
168 When non-zero, the linker checks that the actual memory used by SPL
169 from _start to __bss_end does not exceed it.
170
Simon Goldschmidt0b820852019-07-16 22:30:36 +0200171config SPL_SYS_STACK_F_CHECK_BYTE
172 hex
173 default 0xaa
174 help
175 Constant used to check the stack
176
177config SPL_SYS_REPORT_STACK_F_USAGE
178 depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0
179 bool "Check and report stack usage in SPL before relocation"
180 help
181 If this option is enabled, the initial SPL stack is filled with 0xaa
182 very early, up to the size configured with
183 SPL_SIZE_LIMIT_PROVIDE_STACK.
184 Later when SPL is done using this initial stack and switches to a
185 stack in DRAM, the actually used size of this initial stack is
186 reported by examining the memory and searching for the lowest
187 occurrence of non 0xaa bytes.
188 This default implementation works for stacks growing down only.
189
Simon Glass58254e02021-07-05 16:32:57 -0600190config SPL_SHOW_ERRORS
191 bool "Show more information when something goes wrong"
Sean Anderson4d9e0f62023-11-08 11:48:35 -0500192 depends on SPL_LIBCOMMON_SUPPORT
Simon Glass58254e02021-07-05 16:32:57 -0600193 help
194 This enabled more verbose error messages and checking when something
195 goes wrong in SPL. For example, it shows the error code when U-Boot
196 cannot be located. This can help to diagnose the problem and figure
197 out a fix, particularly during development.
198
199 This adds a small amount to SPL code size, perhaps 100 bytes.
200
Simon Glass02b87002022-02-08 11:49:48 -0700201config SPL_BINMAN_SYMBOLS
202 bool "Declare binman symbols in SPL"
203 depends on SPL_FRAMEWORK && BINMAN
204 default y
205 help
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300206 This enables use of symbols in SPL which refer to other entries in
207 the same binman image as the SPL. These can be declared with the
208 binman_sym_declare(type, entry, prop) macro and accessed by the
209 binman_sym(type, entry, prop) macro defined in binman_sym.h.
210
211 See tools/binman/binman.rst for a detailed explanation.
212
213config SPL_BINMAN_UBOOT_SYMBOLS
214 bool "Declare binman symbols for U-Boot phases in SPL"
215 depends on SPL_BINMAN_SYMBOLS
Gary Bisson2e951192024-08-05 23:25:09 +0200216 default n if ARCH_IMX8M || ARCH_IMX8ULP || ARCH_IMX9
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300217 default y
218 help
219 This enables use of symbols in SPL which refer to U-Boot phases,
220 enabling SPL to obtain the location and size of its next phase simply
221 by calling spl_get_image_pos() and spl_get_image_size().
Simon Glass02b87002022-02-08 11:49:48 -0700222
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300223 For this to work, you must have all U-Boot phases in the same binman
224 image, so binman can update SPL with the locations of everything.
Simon Glass02b87002022-02-08 11:49:48 -0700225
Tom Rini0d989c82022-05-30 17:01:22 -0400226source "common/spl/Kconfig.nxp"
Tom Rini6b15c162022-05-13 12:26:35 -0400227
Simon Glasse14f1a22018-11-15 18:44:09 -0700228config HANDOFF
229 bool "Pass hand-off information from SPL to U-Boot proper"
Tom Rini2aa5e502022-05-30 17:11:23 -0400230 depends on BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700231 help
232 It is useful to be able to pass information from SPL to U-Boot
233 proper to preserve state that is known in SPL and is needed in U-Boot.
234 Enable this to locate the handoff information in U-Boot proper, early
235 in boot. It is available in gd->handoff. The state state is set up
236 in SPL (or TPL if that is being used).
237
Simon Glasse14f1a22018-11-15 18:44:09 -0700238config SPL_HANDOFF
239 bool "Pass hand-off information from SPL to U-Boot proper"
Simon Glass540ee8d2019-09-25 08:11:17 -0600240 depends on HANDOFF && SPL_BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700241 default y
242 help
243 This option enables SPL to write handoff information. This can be
244 used to pass information like the size of SDRAM from SPL to U-Boot
245 proper. Also SPL can receive information from TPL in the same place
246 if that is enabled.
247
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200248config SPL_LDSCRIPT
249 string "Linker script for the SPL stage"
Tom Rini49f5d172022-06-08 08:24:37 -0400250 default "arch/arm/cpu/arm926ejs/sunxi/u-boot-spl.lds" if MACH_SUNIV
251 default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if ARCH_SUNXI && !MACH_SUNIV && !ARM64
252 default "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" if (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
253 default "arch/arm/cpu/arm1136/u-boot-spl.lds" if CPU_ARM1136
254 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARCH_LS1043A || ARCH_LS1046A || ARCH_LS2080A
255 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
256 default "arch/arm/mach-at91/arm926ejs/u-boot-spl.lds" if ARCH_AT91 && CPU_ARM926EJS
257 default "arch/arm/mach-at91/armv7/u-boot-spl.lds" if ARCH_AT91 && CPU_V7A
258 default "arch/arm/mach-omap2/u-boot-spl.lds" if ARCH_MX6 || ARCH_OMAP2PLUS || (ARCH_K3 && !ARM64)
259 default "arch/arm/mach-zynq/u-boot-spl.lds" if ARCH_ZYNQ
260 default "board/samsung/common/exynos-uboot-spl.lds" if ARCH_EXYNOS5 || ARCH_EXYNOS4
261 default "board/davinci/da8xxevm/u-boot-spl-da850evm.lds" if ARCH_DAVINCI
Tom Rini067b9ff2020-03-11 18:11:11 -0400262 default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200263 help
264 The SPL stage will usually require a different linker-script
265 (as it runs from a different memory region) than the regular
266 U-Boot stage. Set this to the path of the linker-script to
267 be used for SPL.
268
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200269config SPL_TEXT_BASE
270 hex "SPL Text Base"
Paul Kocialkowski14cb2622024-07-28 22:24:50 +0200271 default 0x40200000 if OMAP34XX
Andrew Davis06a021b2022-07-15 12:31:48 -0500272 default 0x402F4000 if AM43XX
273 default 0x402F0400 if AM33XX
Marek Vasute957fb02024-10-20 23:00:38 +0200274 default 0x00908000 if ARCH_MX6
Marek Vasut001976b2024-10-20 23:00:39 +0200275 default 0x00912000 if ARCH_MX7
Andrew Davis06a021b2022-07-15 12:31:48 -0500276 default 0x40301350 if OMAP54XX
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100277 default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I
Andre Przywara068962b2022-10-05 17:54:19 +0100278 default 0x20060 if SUN50I_GEN_H6 || SUNXI_GEN_NCAT2
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100279 default 0x00060 if ARCH_SUNXI
Michal Simekad336ea2019-09-11 08:49:31 +0200280 default 0xfffc0000 if ARCH_ZYNQMP
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100281 default 0x20080000 if ARCH_SC5XX
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200282 default 0x0
283 help
284 The address in memory that SPL will be running from.
285
Lukas Funkee51ca6a2024-03-27 13:11:52 +0100286config SPL_SOC_INIT
287 bool "Call SoC-specific initialization in SPL"
288 help
289 If this option is enabled, U-Boot will call the function
290 spl_soc_init() from board_init_r(). This function should be
291 provided by the SoC vendor.
292
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800293config SPL_BOARD_INIT
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800294 bool "Call board-specific initialization in SPL"
295 help
296 If this option is enabled, U-Boot will call the function
297 spl_board_init() from board_init_r(). This function should be
298 provided by the board.
299
Sean Anderson35f15fe2023-11-08 11:48:43 -0500300config SPL_LOAD_BLOCK
301 bool
302 help
303 Support loading images from block devices. This adds a bl_len member
304 to struct spl_load_info.
305
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200306config SPL_BOOTROM_SUPPORT
Michal Simek0606f9e2021-05-20 13:08:44 +0200307 bool "Support returning to the BOOTROM"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500308 select SPL_LOAD_BLOCK if MACH_IMX
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200309 help
310 Some platforms (e.g. the Rockchip RK3368) provide support in their
311 ROM for loading the next boot-stage after performing basic setup
312 from the SPL stage.
313
314 Enable this option, to return to the BOOTROM through the
315 BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
316 boot device list, if not implemented for a given board)
317
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200318config SPL_BOOTCOUNT_LIMIT
319 bool "Support bootcount in SPL"
Philippe Reynes8d82a202020-12-11 19:56:47 +0100320 depends on SPL_ENV_SUPPORT && !TPL_BOOTCOUNT_LIMIT
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200321 help
322 On some boards, which use 'falcon' mode, it is necessary to check
323 and increment the number of boot attempts. Such boards do not
324 use proper U-Boot for normal boot flow and hence needs those
325 adjustments to be done in the SPL.
326
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600327config SPL_RAW_IMAGE_SUPPORT
328 bool "Support SPL loading and booting of RAW images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200329 default n if ARCH_MVEBU
Simon Glass081a45a2021-08-08 12:20:17 -0600330 default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
Andrew Davis4c1f4762022-05-04 15:52:26 -0500331 default y
332 depends on !TI_SECURE_DEVICE
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600333 help
334 SPL will support loading and booting a RAW image when this option
335 is y. If this is not set, SPL will move on to other available
336 boot media to find a suitable image.
337
Andrew Davis360ec6a2022-05-04 15:52:25 -0500338config SPL_LEGACY_IMAGE_FORMAT
Andrew F. Davis74630342017-02-16 11:18:39 -0600339 bool "Support SPL loading and booting of Legacy images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200340 default n if ARCH_MVEBU
Andrew Davis4c1f4762022-05-04 15:52:26 -0500341 default y if !SPL_LOAD_FIT
342 depends on !TI_SECURE_DEVICE
Andrew F. Davis74630342017-02-16 11:18:39 -0600343 help
344 SPL will support loading and booting Legacy images when this option
345 is y. If this is not set, SPL will move on to other available
346 boot media to find a suitable image.
347
Simon Goldschmidt17140472019-02-10 21:34:37 +0100348config SPL_LEGACY_IMAGE_CRC_CHECK
349 bool "Check CRC of Legacy images"
Andrew Davis360ec6a2022-05-04 15:52:25 -0500350 depends on SPL_LEGACY_IMAGE_FORMAT
Simon Glassefc12232021-07-14 17:05:32 -0500351 select SPL_CRC32
Simon Goldschmidt17140472019-02-10 21:34:37 +0100352 help
353 Enable this to check the CRC of Legacy images. While this increases
354 reliability, it affects both code size and boot duration.
355 If disabled, Legacy images are booted if the image magic and size
356 are correct, without further integrity checks.
357
Sean Andersonefc185e2023-10-14 16:47:45 -0400358config SPL_LOAD_IMX_CONTAINER
359 bool "Enable SPL loading and booting of i.MX8 Containers"
360 depends on SPL
361 help
362 Support booting U-Boot from an i.MX8 container image. If you are not
363 using i.MX8, say 'n'.
364
365config IMX_CONTAINER_CFG
366 string "i.MX8 Container config file"
367 depends on SPL && SPL_LOAD_IMX_CONTAINER
368 help
369 Specify the cfg file for generating the container image which will be
370 loaded by SPL.
371
Simon Glassffe19762016-09-12 23:18:22 -0600372config SPL_SYS_MALLOC_SIMPLE
Tom Rini2aa5e502022-05-30 17:11:23 -0400373 bool "Only use malloc_simple functions in the SPL"
Simon Glassffe19762016-09-12 23:18:22 -0600374 help
375 Say Y here to only use the *_simple malloc functions from
376 malloc_simple.c, rather then using the versions from dlmalloc.c;
377 this will make the SPL binary smaller at the cost of more heap
378 usage as the *_simple malloc functions do not re-use free-ed mem.
379
Tom Rini8a14ac42022-05-26 13:13:21 -0400380config SPL_SHARES_INIT_SP_ADDR
381 bool "SPL and U-Boot use the same initial stack pointer location"
382 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100383 default n if ARCH_SUNXI || ARCH_MX6 || ARCH_MX7 || ARCH_SC5XX
Tom Rini8a14ac42022-05-26 13:13:21 -0400384 default y
385 help
386 In many cases, we can use the same initial stack pointer address for
387 both SPL and U-Boot itself. If you need to specify a different address
388 however, say N here and then set a different value in CONFIG_SPL_STACK.
389
390config SPL_STACK
391 hex "Initial stack pointer location"
Kever Yang4d87ac32024-01-24 15:42:04 +0800392 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && \
393 SPL_FRAMEWORK || ROCKCHIP_RK3036
Tom Rini8a14ac42022-05-26 13:13:21 -0400394 depends on !SPL_SHARES_INIT_SP_ADDR
Tom Rinied83ed92022-05-26 13:46:32 -0400395 default 0x946bb8 if ARCH_MX7
Tom Rini55242432022-05-26 13:36:17 -0400396 default 0x93ffb8 if ARCH_MX6 && MX6_OCRAM_256KB
397 default 0x91ffb8 if ARCH_MX6 && !MX6_OCRAM_256KB
Andre Przywara3f5873f2022-09-13 01:23:58 +0100398 default 0x118000 if MACH_SUN50I_H6
Andre Przywarac573b092022-07-13 16:27:57 +0100399 default 0x52a00 if MACH_SUN50I_H616
Andre Przywara1987b0c2022-09-06 15:59:57 +0100400 default 0x40000 if MACH_SUN8I_R528
Andre Przywara3f5873f2022-09-13 01:23:58 +0100401 default 0x54000 if MACH_SUN50I || MACH_SUN50I_H5
402 default 0x18000 if MACH_SUN9I
403 default 0x8000 if ARCH_SUNXI
Oliver Gaskell14032b32024-09-12 16:50:56 +0100404 default 0x200E4000 if ARCH_SC5XX && (SC59X_64 || SC59X)
Oliver Gaskell053a1202024-09-12 16:50:58 +0100405 default 0x200B0000 if ARCH_SC5XX && SC58X
Oliver Gaskellcb0d39d2024-09-12 16:51:01 +0100406 default 0x200D0000 if ARCH_SC5XX && SC57X
Tom Rini8a14ac42022-05-26 13:13:21 -0400407 help
408 Address of the start of the stack SPL will use before SDRAM is
409 initialized.
410
Simon Glassffe19762016-09-12 23:18:22 -0600411config SPL_STACK_R
Simon Glassffe19762016-09-12 23:18:22 -0600412 bool "Enable SDRAM location for SPL stack"
413 help
414 SPL starts off execution in SRAM and thus typically has only a small
415 stack available. Since SPL sets up DRAM while in its board_init_f()
416 function, it is possible for the stack to move there before
417 board_init_r() is reached. This option enables a special SDRAM
418 location for the SPL stack. U-Boot SPL switches to this after
419 board_init_f() completes, and before board_init_r() starts.
420
421config SPL_STACK_R_ADDR
422 depends on SPL_STACK_R
423 hex "SDRAM location for SPL stack"
Tom Rinic37e0cf2017-09-17 11:44:49 -0400424 default 0x82000000 if ARCH_OMAP2PLUS
Simon Glassffe19762016-09-12 23:18:22 -0600425 help
426 Specify the address in SDRAM for the SPL stack. This will be set up
427 before board_init_r() is called.
428
429config SPL_STACK_R_MALLOC_SIMPLE_LEN
430 depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
431 hex "Size of malloc_simple heap after switching to DRAM SPL stack"
Neha Malcom Francis0f1326e2023-01-11 18:11:23 +0530432 default 0x400000 if ARCH_K3 && ARM64
Vignesh Raghavendrac6fc1502024-05-31 20:16:36 +0530433 default 0x200000 if ARCH_K3 && CPU_V7R
Simon Glassffe19762016-09-12 23:18:22 -0600434 default 0x100000
435 help
436 Specify the amount of the stack to use as memory pool for
437 malloc_simple after switching the stack to DRAM. This may be set
438 to give board_init_r() a larger heap then the initial heap in
439 SRAM which is limited to SYS_MALLOC_F_LEN bytes.
440
441config SPL_SEPARATE_BSS
Simon Glassffe19762016-09-12 23:18:22 -0600442 bool "BSS section is in a different memory region from text"
443 help
444 Some platforms need a large BSS region in SPL and can provide this
445 because RAM is already set up. In this case BSS can be moved to RAM.
446 This option should then be enabled so that the correct device tree
447 location is used. Normally we put the device tree at the end of BSS
448 but with this option enabled, it goes at _image_binary_end.
449
Simon Glass67e3fca2023-09-26 08:14:16 -0600450config SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400451 bool "Enable malloc pool in SPL"
452 depends on SPL_FRAMEWORK
453
Simon Glass67e3fca2023-09-26 08:14:16 -0600454config SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400455 bool "For the SPL malloc pool, define a custom starting address"
Simon Glass67e3fca2023-09-26 08:14:16 -0600456 depends on SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400457
Simon Glass67e3fca2023-09-26 08:14:16 -0600458config SPL_CUSTOM_SYS_MALLOC_ADDR
Tom Rini166e3222022-05-27 12:48:32 -0400459 hex "SPL malloc addr"
Simon Glass67e3fca2023-09-26 08:14:16 -0600460 depends on SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400461
Simon Glass67e3fca2023-09-26 08:14:16 -0600462config SPL_SYS_MALLOC_SIZE
Tom Rini166e3222022-05-27 12:48:32 -0400463 hex "Size of the SPL malloc pool"
Simon Glass67e3fca2023-09-26 08:14:16 -0600464 depends on SPL_SYS_MALLOC
Yuri Zaporozhetsc08c6d32024-11-11 20:24:04 +0100465 default 0x180000 if BIOSEMU && RISCV
Tom Rini166e3222022-05-27 12:48:32 -0400466 default 0x100000
467
Simon Glass5b21b342021-03-15 17:25:35 +1300468config SPL_READ_ONLY
469 bool
470 depends on SPL_OF_PLATDATA
471 # Bind cannot be supported because the udevice structs are in read-only
472 # memory so we cannot update the linked lists.
473 select SPL_OF_PLATDATA_NO_BIND
474 select SPL_OF_PLATDATA_RT
475 help
476 Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only
477 section of memory. This means that of-platdata must make a copy (in
478 writeable memory) of anything it wants to modify, such as
479 device-private data.
480
Simon Glass6324cce2018-11-15 18:43:57 -0700481config SPL_BANNER_PRINT
482 bool "Enable output of the SPL banner 'U-Boot SPL ...'"
483 default y
484 help
485 If this option is enabled, SPL will print the banner with version
Thomas Hebbfd37f242019-11-13 18:18:03 -0800486 info. Disabling this option could be useful to reduce SPL boot time
Simon Glass6324cce2018-11-15 18:43:57 -0700487 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
488
Andreas Dannenbergaa4ad4b2019-06-04 17:55:45 -0500489config SPL_EARLY_BSS
490 depends on ARM && !ARM64
491 bool "Allows initializing BSS early before entering board_init_f"
492 help
493 On some platform we have sufficient memory available early on to
494 allow setting up and using a basic BSS prior to entering
495 board_init_f. Activating this option will also de-activate the
496 clearing of BSS during the SPL relocation process, thus allowing
497 to carry state from board_init_f to board_init_r by way of BSS.
498
Simon Glassf481ab12016-09-24 18:19:56 -0600499config SPL_DISPLAY_PRINT
Simon Glassf481ab12016-09-24 18:19:56 -0600500 bool "Display a board-specific message in SPL"
501 help
502 If this option is enabled, U-Boot will call the function
503 spl_display_print() immediately after displaying the SPL console
504 banner ("U-Boot SPL ..."). This function should be provided by
505 the board.
506
Sean Anderson29e338f2023-11-08 11:48:50 -0500507config SPL_SYS_MMCSD_RAW_MODE
Simon Glass18422832024-08-22 07:55:00 -0600508 bool "Use raw reads to locate the next boot phase"
509 depends on SPL_DM_MMC || SPL_MMC
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300510 default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \
511 ARCH_MX6 || ARCH_MX7 || \
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200512 ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
513 ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Tom Rini8c6b4372024-07-15 13:35:53 -0600514 OMAP54XX || AM33XX || AM43XX || \
Green Wan2e5da522021-05-27 06:52:13 -0700515 TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Simon Glass18422832024-08-22 07:55:00 -0600516 help
517 Support booting from an MMC without a filesystem.
518
519if SPL_SYS_MMCSD_RAW_MODE
520
521choice
522 prompt "Method for locating next phase of boot (e.g. U-Boot)"
523
524config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
525 bool "MMC raw mode: by sector"
526 select SPL_LOAD_BLOCK
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200527 help
528 Use sector number for specifying U-Boot location on MMC/SD in
529 raw mode.
530
Simon Glass18422832024-08-22 07:55:00 -0600531config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
532 bool "MMC raw mode: by partition"
533 select SPL_LOAD_BLOCK
534 help
535 Use a partition for loading U-Boot when using MMC/SD in raw mode.
536
537config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
538 bool "MMC raw mode: by partition type"
539 depends on DOS_PARTITION
540 help
541 Use partition type for specifying U-Boot partition on MMC/SD in
542 raw mode. U-Boot will be loaded from the first partition of this
543 type to be found.
544
545endchoice
546
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200547config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
548 hex "Address on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000549 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100550 default 0x40 if ARCH_SUNXI
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200551 default 0x75 if ARCH_DAVINCI
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300552 default 0x8a if ARCH_MX6 || ARCH_MX7
Kever Yang6cc131d2017-11-02 15:16:34 +0800553 default 0x100 if ARCH_UNIPHIER
Pali Rohárcf97b822021-07-23 11:14:29 +0200554 default 0x0 if ARCH_MVEBU
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200555 default 0x200 if ARCH_SOCFPGA || ARCH_AT91
Tom Rini8c6b4372024-07-15 13:35:53 -0600556 default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530557 OMAP54XX || AM33XX || AM43XX || ARCH_K3
Kever Yang6cc131d2017-11-02 15:16:34 +0800558 default 0x4000 if ARCH_ROCKCHIP
Green Wan2e5da522021-05-27 06:52:13 -0700559 default 0x822 if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200560 help
561 Address on the MMC to load U-Boot from, when the MMC is being used
562 in raw mode. Units: MMC sectors (1 sector = 512 bytes).
563
Baruch Siachfef81be2020-01-15 09:08:08 +0200564config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET
565 hex "U-Boot main hardware partition image offset"
566 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100567 default 0x10 if ARCH_SUNXI
Baruch Siachfef81be2020-01-15 09:08:08 +0200568 default 0x0
569 help
570 On some platforms SPL location depends on hardware partition. The ROM
571 code skips the MBR sector when loading SPL from main hardware data
572 partition. This adds offset to the main U-Boot image. Set this symbol
573 to the number of skipped sectors.
574
575 If unsure, leave the default.
576
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800577config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
578 hex "Partition to use to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000579 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800580 default 1
581 help
582 Partition on the MMC to load U-Boot from when the MMC is being
583 used in raw mode
584
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800585config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE
586 hex "Partition Type on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000587 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800588 help
589 Partition Type on the MMC to load U-Boot from, when the MMC is being
590 used in raw mode.
591
Simon Glass18422832024-08-22 07:55:00 -0600592endif # SPL_SYS_MMCSD_RAW_MODE
593
Anatolij Gustschin137b8732019-10-18 21:38:33 +0200594config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
595 bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition"
596 depends on SUPPORT_EMMC_BOOT
597 help
598 eMMC boot partition is normally configured by the bits of the EXT_CSD
599 register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some
600 cases it might be required in SPL to load the image from different
601 partition than the partition selected by EXT_CSC_PART_CONFIG register.
602 Enable this option if you intend to use an eMMC boot partition other
603 then selected via EXT_CSC_PART_CONFIG register and specify the custom
604 partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
605 option.
606
607config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
608 int "Number of the eMMC boot partition to use"
609 depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
610 default 1
611 help
612 eMMC boot partition number to use when the eMMC in raw mode and
613 the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL
614 by user defined partition number.
615
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100616config SPL_FIT_IMAGE_TINY
617 bool "Remove functionality from SPL FIT loading to reduce size"
618 depends on SPL_FIT
Samuel Holland76183892023-10-31 00:17:41 -0500619 default y if ARCH_IMX8M || ARCH_IMX9 || ARCH_SUNXI
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100620 help
621 Enable this to reduce the size of the FIT image loading code
622 in SPL, if space for the SPL binary is very tight.
623
Samuel Hollande646f512020-10-21 21:12:13 -0500624 This skips the recording of each loaded payload
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100625 (i.e. loadable) into the FDT (modifying the loaded FDT to
626 ensure this information is available to the next image
627 invoked).
628
Simon Glassde3fd532021-08-08 12:20:15 -0600629config SPL_CACHE
Rick Chen8b4ee5f2019-11-14 13:52:26 +0800630 bool "Support CACHE drivers"
631 help
632 Enable CACHE drivers in SPL. These drivers can keep data so that
633 future requests for that data can be served faster. Enable this option
634 to build the drivers in drivers/cache as part of an SPL build.
635
Simon Glass2f002162021-03-15 18:11:18 +1300636config SPL_CPU
Simon Glasseca677f2017-01-16 07:03:29 -0700637 bool "Support CPU drivers"
Simon Glasseca677f2017-01-16 07:03:29 -0700638 help
639 Enable this to support CPU drivers in SPL. These drivers can set
640 up CPUs and provide information about them such as the model and
641 name. This can be useful in SPL since setting up the CPUs earlier
642 may improve boot performance. Enable this option to build the
643 drivers in drivers/cpu as part of an SPL build.
644
Simon Glassa8437ce2021-07-10 21:14:25 -0600645config SPL_CRYPTO
Simon Glass1e3911a2016-09-13 07:05:23 -0600646 bool "Support crypto drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600647 help
648 Enable crypto drivers in SPL. These drivers can be used to
649 accelerate secure boot processing in secure applications. Enable
650 this option to build the drivers in drivers/crypto as part of an
651 SPL build.
652
Vignesh Raghavendra3d2ba9c2019-11-15 17:00:41 +0530653config SPL_DMA
Simon Glass1e3911a2016-09-13 07:05:23 -0600654 bool "Support DMA drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600655 help
656 Enable DMA (direct-memory-access) drivers in SPL. These drivers
657 can be used to handle memory-to-peripheral data transfer without
658 the CPU moving the data. Enable this option to build the drivers
659 in drivers/dma as part of an SPL build.
660
Simon Glass284cb9c2021-07-10 21:14:31 -0600661config SPL_DRIVERS_MISC
Simon Glass1e3911a2016-09-13 07:05:23 -0600662 bool "Support misc drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600663 help
664 Enable miscellaneous drivers in SPL. These drivers perform various
665 tasks that don't fall nicely into other categories, Enable this
666 option to build the drivers in drivers/misc as part of an SPL
667 build, for those that support building in SPL (not all drivers do).
668
669config SPL_ENV_SUPPORT
670 bool "Support an environment"
Simon Glass1e3911a2016-09-13 07:05:23 -0600671 help
672 Enable environment support in SPL. The U-Boot environment provides
673 a number of settings (essentially name/value pairs) which can
674 control many aspects of U-Boot's operation. Normally this is not
675 needed in SPL as it has a much simpler task with less
676 configuration. But some boards use this to support 'Falcon' boot
677 on EXT2 and FAT, where SPL boots directly into Linux without
Simon Glass64b723f2017-08-03 12:22:12 -0600678 starting U-Boot first. Enabling this option will make env_get()
Simon Glass6a38e412017-08-03 12:22:09 -0600679 and env_set() available in SPL.
Simon Glass1e3911a2016-09-13 07:05:23 -0600680
B, Ravie94b0242016-09-28 14:46:18 +0530681config SPL_SAVEENV
682 bool "Support save environment"
Tom Rini3c82f982017-05-22 19:21:57 +0000683 depends on SPL_ENV_SUPPORT
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100684 select SPL_MMC_WRITE if ENV_IS_IN_MMC
B, Ravie94b0242016-09-28 14:46:18 +0530685 help
686 Enable save environment support in SPL after setenv. By default
687 the saveenv option is not provided in SPL, but some boards need
688 this support in 'Falcon' boot, where SPL need to boot from
689 different images based on environment variable set by OS. For
690 example OS may set "reboot_image" environment variable to
691 "recovery" inorder to boot recovery image by SPL. The SPL read
692 "reboot_image" and act accordingly and change the reboot_image
Shyam Sainiefe757c2018-06-07 19:47:19 +0530693 to default mode using setenv and save the environment.
B, Ravie94b0242016-09-28 14:46:18 +0530694
Simon Glasse5cd9a42021-07-10 21:14:26 -0600695config SPL_ETH
Simon Glass1e3911a2016-09-13 07:05:23 -0600696 bool "Support Ethernet"
697 depends on SPL_ENV_SUPPORT
Simon Glass1d926242021-08-08 12:20:31 -0600698 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -0600699 help
700 Enable access to the network subsystem and associated Ethernet
701 drivers in SPL. This permits SPL to load U-Boot over an Ethernet
702 link rather than from an on-board peripheral. Environment support
703 is required since the network stack uses a number of environment
Simon Glass041a0ac2021-08-08 12:20:30 -0600704 variables. See also SPL_NET.
Simon Glass1e3911a2016-09-13 07:05:23 -0600705
Tien Fong Chee6091dd12019-01-23 14:20:05 +0800706config SPL_FS_EXT4
Simon Glass1e3911a2016-09-13 07:05:23 -0600707 bool "Support EXT filesystems"
Sean Anderson01349c12023-10-14 16:47:49 -0400708 select SPL_CRC16 if EXT4_WRITE
Simon Glass1e3911a2016-09-13 07:05:23 -0600709 help
710 Enable support for EXT2/3/4 filesystems with SPL. This permits
711 U-Boot (or Linux in Falcon mode) to be loaded from an EXT
712 filesystem from within SPL. Support for the underlying block
713 device (e.g. MMC or USB) must be enabled separately.
714
Joao Marcos Costa29da3742020-07-30 15:33:47 +0200715config SPL_FS_SQUASHFS
716 bool "Support SquashFS filesystems"
717 select FS_SQUASHFS
718 help
719 Enable support for SquashFS filesystems with SPL. This permits
720 U-Boot (or Linux in Falcon mode) to be loaded from a SquashFS
721 filesystem from within SPL. Support for the underlying block
722 device (e.g. MMC or USB) must be enabled separately.
723
Tien Fong Chee6fd0a712019-01-23 14:20:03 +0800724config SPL_FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600725 bool "Support FAT filesystems"
Sekhar Nori1909a7b2017-06-02 17:53:59 +0530726 select FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600727 help
728 Enable support for FAT and VFAT filesystems with SPL. This
729 permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
730 filesystem from within SPL. Support for the underlying block
731 device (e.g. MMC or USB) must be enabled separately.
732
Sean Anderson90251882023-11-08 11:48:58 -0500733config SPL_FS_FAT_DMA_ALIGN
734 bool "Use DMA-aligned buffers with FAT"
735 depends on SPL_FS_FAT
736 select SPL_LOAD_BLOCK
737 default y if SPL_LOAD_FIT
738 help
739 The FAT filesystem driver tries to ensure that the reads it issues to
740 the block subsystem use DMA-aligned buffers. If the supplied buffer is
741 not DMA-aligned, the FAT driver will use a bounce-buffer and read
742 block-by-block. This is separate from the bounce-buffer used by the
743 block subsystem (CONFIG_BOUNCE_BUFFER).
744
745 Enable this config to align buffers passed to the FAT filesystem
746 driver. This will speed up reads, but will increase the size of U-Boot
747 by around 60 bytes.
748
Tom Rinia4f2ab92022-05-13 17:12:35 -0400749config SPL_FS_LOAD_PAYLOAD_NAME
750 string "File to load for U-Boot from the filesystem"
Kautuk Consula3a5d682022-12-07 17:12:36 +0530751 depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS || SPL_SEMIHOSTING
Tom Rinia4f2ab92022-05-13 17:12:35 -0400752 default "tispl.bin" if SYS_K3_SPL_ATF
753 default "u-boot.itb" if SPL_LOAD_FIT
754 default "u-boot.img"
755 help
756 Filename to read to load U-Boot when reading from filesystem.
757
758config SPL_FS_LOAD_KERNEL_NAME
759 string "File to load for the OS kernel from the filesystem"
760 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
761 default "uImage"
762 help
763 Filename to read to load for the OS kernel when reading from the
764 filesystem.
765
766config SPL_FS_LOAD_ARGS_NAME
767 string "File to load for the OS kernel argument parameters from the filesystem"
768 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
769 default "args"
770 help
771 Filename to read to load for the OS kernel argument parameters from
772 the filesystem.
773
Tien Fong Chee87fda0c2019-01-23 14:20:04 +0800774config SPL_FAT_WRITE
775 bool "Support write for FAT filesystems"
776 help
777 Enable write support for FAT and VFAT filesystems with SPL.
778 Support for the underlying block device (e.g. MMC or USB) must be
779 enabled separately.
780
Michal Simek1aab1142020-09-09 14:41:56 +0200781config SPL_FPGA
Simon Glass1e3911a2016-09-13 07:05:23 -0600782 bool "Support FPGAs"
Simon Glass1e3911a2016-09-13 07:05:23 -0600783 help
784 Enable support for FPGAs in SPL. Field-programmable Gate Arrays
785 provide software-configurable hardware which is typically used to
786 implement peripherals (such as UARTs, LCD displays, MMC) or
787 accelerate custom processing functions, such as image processing
788 or machine learning. Sometimes it is useful to program the FPGA
789 as early as possible during boot, and this option can enable that
790 within SPL.
791
Simon Glass035939e2021-07-10 21:14:30 -0600792config SPL_GPIO
Simon Glass592d5b92018-11-15 18:43:55 -0700793 bool "Support GPIO in SPL"
Simon Glass1e3911a2016-09-13 07:05:23 -0600794 help
795 Enable support for GPIOs (General-purpose Input/Output) in SPL.
796 GPIOs allow U-Boot to read the state of an input line (high or
797 low) and set the state of an output line. This can be used to
798 drive LEDs, control power to various system parts and read user
799 input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
800 for example. Enable this option to build the drivers in
801 drivers/gpio as part of an SPL build.
802
Simon Glassbccfc2e2021-07-10 21:14:36 -0600803config SPL_I2C
Simon Glass1e3911a2016-09-13 07:05:23 -0600804 bool "Support I2C"
Simon Glass1e3911a2016-09-13 07:05:23 -0600805 help
806 Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
807 I2C works with a clock and data line which can be driven by a
808 one or more masters or slaves. It is a fairly complex bus but is
809 widely used as it only needs two lines for communication. Speeds of
810 400kbps are typical but up to 3.4Mbps is supported by some
811 hardware. I2C can be useful in SPL to configure power management
812 ICs (PMICs) before raising the CPU clock speed, for example.
813 Enable this option to build the drivers in drivers/i2c as part of
814 an SPL build.
815
816config SPL_LIBCOMMON_SUPPORT
817 bool "Support common libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600818 help
819 Enable support for common U-Boot libraries within SPL. These
820 libraries include common code to deal with U-Boot images,
821 environment and USB, for example. This option is enabled on many
822 boards. Enable this option to build the code in common/ as part of
823 an SPL build.
824
825config SPL_LIBDISK_SUPPORT
Simon Goldschmidt62067052018-08-16 09:44:55 +0200826 bool "Support disk partitions"
Tom Rini1794ae62018-12-05 08:23:38 -0500827 select PARTITIONS
Simon Glass1e3911a2016-09-13 07:05:23 -0600828 help
829 Enable support for disk partitions within SPL. 'Disk' is something
830 of a misnomer as it includes non-spinning media such as flash (as
831 used in MMC and USB sticks). Partitions provide a way for a disk
832 to be split up into separate regions, with a partition table placed
833 at the start or end which describes the location and size of each
834 'partition'. These partitions are typically uses as individual block
835 devices, typically with an EXT2 or FAT filesystem in each. This
836 option enables whatever partition support has been enabled in
837 U-Boot to also be used in SPL. It brings in the code in disk/.
838
839config SPL_LIBGENERIC_SUPPORT
840 bool "Support generic libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600841 help
842 Enable support for generic U-Boot libraries within SPL. These
843 libraries include generic code to deal with device tree, hashing,
844 printf(), compression and the like. This option is enabled on many
845 boards. Enable this option to build the code in lib/ as part of an
846 SPL build.
847
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530848config SPL_DM_MAILBOX
849 bool "Support Mailbox"
Tom Rini78896ae2022-05-31 10:24:55 -0400850 depends on SPL_DM
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530851 help
852 Enable support for Mailbox within SPL. This enable the inter
853 processor communication protocols tobe used within SPL. Enable
854 this option to build the drivers in drivers/mailbox as part of
855 SPL build.
856
Roger Quadrosb576fbf2022-10-20 16:30:47 +0300857config SPL_MEMORY
858 bool "Support Memory controller drivers"
859 help
860 Enable support for Memory Controller drivers within SPL.
861 These devices provide Memory bus interface to various devices like
862 SRAM, Ethernet adapters, FPGAs, etc.
863
Simon Glassb58bfe02021-08-08 12:20:09 -0600864config SPL_MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600865 bool "Support MMC"
Tom Rini3c82f982017-05-22 19:21:57 +0000866 depends on MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600867 help
868 Enable support for MMC (Multimedia Card) within SPL. This enables
869 the MMC protocol implementation and allows any enabled drivers to
870 be used within SPL. MMC can be used with or without disk partition
871 support depending on the application (SPL_LIBDISK_SUPPORT). Enable
872 this option to build the drivers in drivers/mmc as part of an SPL
873 build.
874
Pali Rohára0811552023-01-21 15:13:08 +0100875config SYS_MMCSD_FS_BOOT
876 bool "MMC FS Boot mode"
877 depends on SPL_MMC
878 default y if !ARCH_MVEBU
879 help
880 Enable MMC FS Boot mode. Partition is selected by option
881 SYS_MMCSD_FS_BOOT_PARTITION.
882
Adam Ford98a87cf2020-07-03 10:17:30 -0500883config SYS_MMCSD_FS_BOOT_PARTITION
884 int "MMC Boot Partition"
Pali Rohára0811552023-01-21 15:13:08 +0100885 depends on SYS_MMCSD_FS_BOOT
Adam Ford98a87cf2020-07-03 10:17:30 -0500886 default 1
887 help
888 Partition on the MMC to load U-Boot from when the MMC is being
Jérôme Carreterod0a8e592022-03-15 16:34:51 -0400889 used in fs mode.
890 Use -1 as a special value to use the first bootable partition.
Adam Ford98a87cf2020-07-03 10:17:30 -0500891
Ezequiel Garcia66983182019-05-25 19:25:21 -0300892config SPL_MMC_TINY
893 bool "Tiny MMC framework in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600894 depends on SPL_MMC
Ezequiel Garcia66983182019-05-25 19:25:21 -0300895 help
896 Enable MMC framework tinification support. This option is useful if
897 if your SPL is extremely size constrained. Heed the warning, enable
898 this option if and only if you know exactly what you are doing, if
899 you are reading this help text, you most likely have no idea :-)
900
901 The MMC framework is reduced to bare minimum to be useful. No malloc
902 support is needed for the MMC framework operation with this option
903 enabled. The framework supports exactly one MMC device and exactly
904 one MMC driver. The MMC driver can be adjusted to avoid any malloc
905 operations too, which can remove the need for malloc support in SPL
906 and thus further reduce footprint.
907
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100908config SPL_MMC_WRITE
909 bool "MMC/SD/SDIO card support for write operations in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600910 depends on SPL_MMC
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100911 help
912 Enable write access to MMC and SD Cards in SPL
913
914
Simon Glass64571062021-08-08 12:20:16 -0600915config SPL_MPC8XXX_INIT_DDR
Simon Glass1e3911a2016-09-13 07:05:23 -0600916 bool "Support MPC8XXX DDR init"
Simon Glass1e3911a2016-09-13 07:05:23 -0600917 help
918 Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
919 random-access memory) on the MPC8XXX family within SPL. This
920 allows DRAM to be set up before loading U-Boot into that DRAM,
921 where it can run.
922
Sean Anderson34ec1662023-11-04 16:37:47 -0400923config SPL_MTD
Simon Glass1e3911a2016-09-13 07:05:23 -0600924 bool "Support MTD drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600925 help
926 Enable support for MTD (Memory Technology Device) within SPL. MTD
927 provides a block interface over raw NAND and can also be used with
928 SPI flash. This allows SPL to load U-Boot from supported MTD
929 devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how
930 to enable specific MTD drivers.
931
Simon Glass762b9972021-07-10 21:14:27 -0600932config SPL_MUSB_NEW
Simon Glass1e3911a2016-09-13 07:05:23 -0600933 bool "Support new Mentor Graphics USB"
Simon Glass1e3911a2016-09-13 07:05:23 -0600934 help
935 Enable support for Mentor Graphics USB in SPL. This is a new
936 driver used by some boards. Enable this option to build
937 the drivers in drivers/usb/musb-new as part of an SPL build. The
938 old drivers are in drivers/usb/musb.
939
940config SPL_NAND_SUPPORT
941 bool "Support NAND flash"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500942 select SPL_LOAD_BLOCK
Simon Glass1e3911a2016-09-13 07:05:23 -0600943 help
944 Enable support for NAND (Negative AND) flash in SPL. NAND flash
945 can be used to allow SPL to load U-Boot from supported devices.
Miquel Raynal1f1ae152018-08-16 17:30:07 +0200946 This enables the drivers in drivers/mtd/nand/raw as part of an SPL
Simon Glass1e3911a2016-09-13 07:05:23 -0600947 build.
948
Tom Rini2d03b912022-05-13 12:46:23 -0400949config SPL_NAND_RAW_ONLY
950 bool "Support to boot only raw u-boot.bin images"
951 depends on SPL_NAND_SUPPORT
952 help
953 Use this only if you need to save space.
954
Adam Ford3a383772020-07-03 08:09:44 -0500955config SPL_NAND_DRIVERS
956 bool "Use standard NAND driver"
957 help
958 SPL uses normal NAND drivers, not minimal drivers.
959
960config SPL_NAND_ECC
Tom Rini2d03b912022-05-13 12:46:23 -0400961 bool "Include standard ECC in SPL"
962
963config SPL_NAND_SOFTECC
964 bool "Use software ECC in SPL"
965 depends on SPL_NAND_ECC
Adam Ford3a383772020-07-03 08:09:44 -0500966
967config SPL_NAND_SIMPLE
968 bool "Support simple NAND drivers in SPL"
969 help
970 Support for NAND boot using simple NAND drivers that
971 expose the cmd_ctrl() interface.
972
Adam Ford5e56ad02020-07-03 08:09:45 -0500973config SPL_NAND_BASE
developer81670fe2022-05-20 11:23:53 +0800974 depends on SPL_NAND_SUPPORT
Adam Ford5e56ad02020-07-03 08:09:45 -0500975 bool "Use Base NAND Driver"
Michal Simek0606f9e2021-05-20 13:08:44 +0200976 help
977 Include nand_base.c in the SPL.
Adam Ford5e56ad02020-07-03 08:09:45 -0500978
979config SPL_NAND_IDENT
980 depends on SPL_NAND_BASE
981 bool "Use chip ID to identify NAND flash"
982 help
983 SPL uses the chip ID list to identify the NAND flash.
984
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +0200985config SPL_UBI
986 bool "Support UBI"
987 help
988 Enable support for loading payloads from UBI. See
989 README.ubispl for more info.
990
Tom Rini78896ae2022-05-31 10:24:55 -0400991menu "UBI configuration for SPL"
992 depends on SPL_UBI
Lukasz Majewski76f442982020-06-04 23:11:53 +0800993
Hamish Guthrie3ce740d2019-05-15 15:15:59 +0200994config SPL_UBI_LOAD_BY_VOLNAME
995 bool "Support loading volumes by name"
996 help
997 This enables support for loading UBI volumes by name. When this
998 is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to
999 configure the volume name from which to load U-Boot.
1000
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001001config SPL_UBI_MAX_VOL_LEBS
1002 int "Maximum number of LEBs per volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001003 help
1004 The maximum number of logical eraseblocks which a static volume
1005 to load can contain. Used for sizing the scan data structure.
1006
1007config SPL_UBI_MAX_PEB_SIZE
1008 int "Maximum PEB size"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001009 help
1010 The maximum physical erase block size.
1011
1012config SPL_UBI_MAX_PEBS
1013 int "Maximum number of PEBs"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001014 help
1015 The maximum physical erase block size. If not overridden by
1016 board code, this value will be used as the actual number of PEBs.
1017
1018config SPL_UBI_PEB_OFFSET
1019 int "Offset to first UBI PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001020 help
1021 The offset in number of PEBs from the start of flash to the first
1022 PEB part of the UBI image.
1023
1024config SPL_UBI_VID_OFFSET
1025 int "Offset to VID header"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001026
1027config SPL_UBI_LEB_START
1028 int "Offset to LEB in PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001029 help
1030 The offset in bytes to the LEB within a PEB.
1031
1032config SPL_UBI_INFO_ADDR
1033 hex "Address to place UBI scan info"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001034 help
1035 Address for ubispl to place the scan info. Read README.ubispl to
1036 determine the required size
1037
1038config SPL_UBI_VOL_IDS
1039 int "Maximum volume id"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001040 help
1041 The maximum volume id which can be loaded. Used for sizing the
1042 scan data structure.
1043
1044config SPL_UBI_LOAD_MONITOR_ID
1045 int "id of U-Boot volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001046 help
1047 The UBI volume id from which to load U-Boot
1048
Hamish Guthrie3ce740d2019-05-15 15:15:59 +02001049config SPL_UBI_LOAD_MONITOR_VOLNAME
1050 string "volume name of U-Boot volume"
1051 depends on SPL_UBI_LOAD_BY_VOLNAME
1052 help
1053 The UBI volume name from which to load U-Boot
1054
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001055config SPL_UBI_LOAD_KERNEL_ID
1056 int "id of kernel volume"
Tom Rini78896ae2022-05-31 10:24:55 -04001057 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001058 help
1059 The UBI volume id from which to load the kernel
1060
1061config SPL_UBI_LOAD_ARGS_ID
1062 int "id of kernel args volume"
Tom Rini78896ae2022-05-31 10:24:55 -04001063 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001064 help
1065 The UBI volume id from which to load the device tree
1066
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001067config UBI_SPL_SILENCE_MSG
1068 bool "silence UBI SPL messages"
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001069 help
1070 Disable messages from UBI SPL. This leaves warnings
1071 and errors enabled.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001072
Tom Rini78896ae2022-05-31 10:24:55 -04001073endmenu
1074
1075config SPL_DM_SPI
1076 bool "Support SPI DM drivers in SPL"
1077 depends on SPL_DM
1078 help
1079 Enable support for SPI DM drivers in SPL.
1080
1081config SPL_DM_SPI_FLASH
1082 bool "Support SPI DM FLASH drivers in SPL"
1083 depends on SPL_DM
1084 help
1085 Enable support for SPI DM flash drivers in SPL.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001086
Simon Glass041a0ac2021-08-08 12:20:30 -06001087config SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001088 bool "Support networking"
Jerome Forissiere0f95512024-10-16 12:03:59 +02001089 depends on !NET_LWIP
Simon Glass1e3911a2016-09-13 07:05:23 -06001090 help
1091 Enable support for network devices (such as Ethernet) in SPL.
1092 This permits SPL to load U-Boot over a network link rather than
1093 from an on-board peripheral. Environment support is required since
1094 the network stack uses a number of environment variables. See also
Simon Glasse5cd9a42021-07-10 21:14:26 -06001095 SPL_ETH.
Simon Glass1e3911a2016-09-13 07:05:23 -06001096
Simon Glass1e3911a2016-09-13 07:05:23 -06001097config SPL_NET_VCI_STRING
1098 string "BOOTP Vendor Class Identifier string sent by SPL"
Tom Rini78896ae2022-05-31 10:24:55 -04001099 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001100 help
1101 As defined by RFC 2132 the vendor class identifier field can be
1102 sent by the client to identify the vendor type and configuration
1103 of a client. This is often used in practice to allow for the DHCP
1104 server to specify different files to load depending on if the ROM,
1105 SPL or U-Boot itself makes the request
Simon Glass1e3911a2016-09-13 07:05:23 -06001106
1107config SPL_NO_CPU_SUPPORT
Tom Rini78896ae2022-05-31 10:24:55 -04001108 def_bool y
1109 depends on (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
Simon Glass1e3911a2016-09-13 07:05:23 -06001110 help
1111 This is specific to the ARM926EJ-S CPU. It disables the standard
1112 start.S start-up code, presumably so that a replacement can be
1113 used on that CPU. You should not enable it unless you know what
1114 you are doing.
1115
1116config SPL_NOR_SUPPORT
1117 bool "Support NOR flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001118 help
1119 Enable support for loading U-Boot from memory-mapped NOR (Negative
1120 OR) flash in SPL. NOR flash is slow to write but fast to read, and
1121 a memory-mapped device makes it very easy to access. Loading from
1122 NOR is typically achieved with just a memcpy().
1123
Vikas Manocha9e582652017-05-28 12:55:11 -07001124config SPL_XIP_SUPPORT
1125 bool "Support XIP"
Vikas Manocha9e582652017-05-28 12:55:11 -07001126 help
1127 Enable support for execute in place of U-Boot or kernel image. There
1128 is no need to copy image from flash to ram if flash supports execute
1129 in place. Its very useful in systems having enough flash but not
1130 enough ram to load the image.
1131
Simon Glass1e3911a2016-09-13 07:05:23 -06001132config SPL_ONENAND_SUPPORT
1133 bool "Support OneNAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001134 help
1135 Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is
1136 a type of NAND flash and therefore can be used to allow SPL to
1137 load U-Boot from supported devices. This enables the drivers in
1138 drivers/mtd/onenand as part of an SPL build.
1139
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001140config SPL_OS_BOOT
1141 bool "Activate Falcon Mode"
Tom Rini3c82f982017-05-22 19:21:57 +00001142 depends on !TI_SECURE_DEVICE
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001143 help
1144 Enable booting directly to an OS from SPL.
1145 for more info read doc/README.falcon
1146
Simon Glass259cdb42023-09-26 08:14:17 -06001147config SPL_PAYLOAD_ARGS_ADDR
Tom Rini2c9d2b52022-05-27 22:06:52 -04001148 hex "Address in memory to load 'args' file for Falcon Mode to"
Randolphb1933972023-12-29 16:32:22 +08001149 depends on SPL_OS_BOOT || SPL_LOAD_FIT_OPENSBI_OS_BOOT
Tom Rini2c9d2b52022-05-27 22:06:52 -04001150 default 0x88000000 if ARCH_OMAP2PLUS
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +01001151 default 0x99000000 if ARCH_SC5XX && SC59X_64
Oliver Gaskell14032b32024-09-12 16:50:56 +01001152 default 0xA0000000 if ARCH_SC5XX && TARGET_SC594_SOM_EZKIT
Oliver Gaskellbc139712024-09-12 16:50:57 +01001153 default 0x80000000 if ARCH_SC5XX && TARGET_SC594_SOM_EZLITE
Tom Rini2c9d2b52022-05-27 22:06:52 -04001154 help
1155 Address in memory where the 'args' file, typically a device tree
1156 will be loaded in to memory.
1157
Tom Rini9568a0e2022-05-28 16:43:53 -04001158config SYS_NAND_SPL_KERNEL_OFFS
1159 hex "Address in memory to load the OS file for Falcon mode to"
1160 depends on SPL_OS_BOOT && SPL_NAND_SUPPORT
1161
Heiko Schocher65928932016-10-06 07:55:16 +02001162config SYS_OS_BASE
1163 hex "addr, where OS is found"
Tom Rini78896ae2022-05-31 10:24:55 -04001164 depends on SPL_OS_BOOT && SPL_NOR_SUPPORT
Heiko Schocher65928932016-10-06 07:55:16 +02001165 help
1166 Specify the address, where the OS image is found, which
1167 gets booted.
1168
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001169config SPL_FALCON_BOOT_MMCSD
1170 bool "Enable Falcon boot from MMC or SD media"
1171 depends on SPL_OS_BOOT && SPL_MMC
Sean Anderson35f15fe2023-11-08 11:48:43 -05001172 select SPL_LOAD_BLOCK
Sean Anderson29e338f2023-11-08 11:48:50 -05001173 select SPL_SYS_MMCSD_RAW_MODE
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001174 help
1175 Select this if the Falcon mode OS image mode is on MMC or SD media.
1176
1177config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
1178 hex "Falcon mode: Sector to load kernel uImage from MMC"
1179 depends on SPL_FALCON_BOOT_MMCSD
1180 help
1181 When Falcon mode is used with an MMC or SD media, SPL needs to know
1182 where to look for the kernel uImage. The image is expected to begin
1183 at the raw MMC specified in this config.
1184 Note that the Falcon mode image can also be a FIT, if FIT support is
1185 enabled.
1186
Tom Rinif95c2592022-05-28 17:21:03 -04001187config SYS_MMCSD_RAW_MODE_ARGS_SECTOR
1188 hex "Falcon mode: Sector to load 'args' from MMC"
1189 depends on SPL_FALCON_BOOT_MMCSD
1190 help
1191 When Falcon mode is used with an MMC or SD media, SPL needs to know
1192 where to look for the OS 'args', typically a device tree. The
1193 contents are expected to begin at the raw MMC specified in this config.
1194 Note that if using a FIT image, this and the next option can be set to
1195 0x0.
1196
1197config SYS_MMCSD_RAW_MODE_ARGS_SECTORS
1198 hex "Falcon mode: Number of sectors to load for 'args' from MMC"
1199 depends on SPL_FALCON_BOOT_MMCSD && SYS_MMCSD_RAW_MODE_ARGS_SECTOR != 0x0
1200
York Sun53492672018-06-14 14:38:48 -07001201config SPL_PAYLOAD
1202 string "SPL payload"
1203 default "tpl/u-boot-with-tpl.bin" if TPL
1204 default "u-boot.bin"
1205 help
Chris Packham37bc3162019-01-13 22:13:20 +13001206 Payload for SPL boot. For backward compatibility, default to
York Sun53492672018-06-14 14:38:48 -07001207 u-boot.bin, i.e. RAW image without any header. In case of
1208 TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to
1209 use u-boot.img.
1210
Sekhar Nori9108d922018-12-06 15:40:08 +05301211config SPL_PCI
Simon Glass6569f3a2017-01-16 07:03:30 -07001212 bool "Support PCI drivers"
Simon Glass6569f3a2017-01-16 07:03:30 -07001213 help
1214 Enable support for PCI in SPL. For platforms that need PCI to boot,
1215 or must perform some init using PCI in SPL, this provides the
1216 necessary driver support. This enables the drivers in drivers/pci
1217 as part of an SPL build.
1218
Simon Glassff67f232021-08-08 12:20:10 -06001219config SPL_PCH
Simon Glass36258a52017-01-16 07:03:33 -07001220 bool "Support PCH drivers"
Simon Glass36258a52017-01-16 07:03:33 -07001221 help
1222 Enable support for PCH (Platform Controller Hub) devices in SPL.
1223 These are used to set up GPIOs and the SPI peripheral early in
1224 boot. This enables the drivers in drivers/pch as part of an SPL
1225 build.
1226
Simon Glass1e3911a2016-09-13 07:05:23 -06001227config SPL_POST_MEM_SUPPORT
1228 bool "Support POST drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001229 help
1230 Enable support for POST (Power-on Self Test) in SPL. POST is a
1231 procedure that checks that the hardware (CPU or board) appears to
1232 be functionally correctly. It is a sanity check that can be
1233 performed before booting. This enables the drivers in post/drivers
1234 as part of an SPL build.
1235
Ley Foon Tan9caf7122018-06-14 18:45:19 +08001236config SPL_DM_RESET
Patrick Delaunay329827a2018-03-12 10:46:05 +01001237 bool "Support reset drivers"
Tom Rini78896ae2022-05-31 10:24:55 -04001238 depends on SPL_DM
Patrick Delaunay329827a2018-03-12 10:46:05 +01001239 help
1240 Enable support for reset control in SPL.
1241 That can be useful in SPL to handle IP reset in driver, as in U-Boot,
1242 by using the generic reset API provided by driver model.
1243 This enables the drivers in drivers/reset as part of an SPL build.
1244
Simon Glasse91ac4c2021-07-10 21:14:24 -06001245config SPL_POWER
Simon Glass1e3911a2016-09-13 07:05:23 -06001246 bool "Support power drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001247 help
1248 Enable support for power control in SPL. This includes support
1249 for PMICs (Power-management Integrated Circuits) and some of the
1250 features provided by PMICs. In particular, voltage regulators can
1251 be used to enable/disable power and vary its voltage. That can be
1252 useful in SPL to turn on boot peripherals and adjust CPU voltage
1253 so that the clock speed can be increased. This enables the drivers
1254 in drivers/power, drivers/power/pmic and drivers/power/regulator
1255 as part of an SPL build.
1256
Peng Fan3775fed2018-07-27 10:20:37 +08001257config SPL_POWER_DOMAIN
1258 bool "Support power domain drivers"
Simon Glassa0e44872021-08-08 12:20:29 -06001259 select SPL_POWER
Peng Fan3775fed2018-07-27 10:20:37 +08001260 help
1261 Enable support for power domain control in SPL. Many SoCs allow
1262 power to be applied to or removed from portions of the SoC (power
1263 domains). This may be used to save power. This API provides the
1264 means to control such power management hardware. This enables
1265 the drivers in drivers/power/domain as part of a SPL build.
1266
Stefan Agnercd01e642016-12-23 07:51:53 +01001267config SPL_RAM_SUPPORT
Jerome Forissiera2a34902024-09-10 15:00:18 +02001268 bool
Stefan Agnercd01e642016-12-23 07:51:53 +01001269
Stefan Agnere2eaac12016-12-23 07:51:52 +01001270config SPL_RAM_DEVICE
1271 bool "Support booting from preloaded image in RAM"
Jerome Forissiera2a34902024-09-10 15:00:18 +02001272 select SPL_RAM_SUPPORT
Trevor Woerner513f6402020-05-06 08:02:41 -04001273 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnere2eaac12016-12-23 07:51:52 +01001274 help
1275 Enable booting of an image already loaded in RAM. The image has to
1276 be already in memory when SPL takes over, e.g. loaded by the boot
1277 ROM.
1278
Lokesh Vutla1a6f8e02018-08-27 15:57:53 +05301279config SPL_REMOTEPROC
1280 bool "Support REMOTEPROCS"
1281 help
1282 Enable support for REMOTEPROCs in SPL. This permits to load
1283 a remote processor firmware in SPL.
1284
Simon Glass31985312021-08-08 12:20:11 -06001285config SPL_RTC
Simon Glassb69691b2017-01-16 07:03:31 -07001286 bool "Support RTC drivers"
Simon Glassb69691b2017-01-16 07:03:31 -07001287 help
1288 Enable RTC (Real-time Clock) support in SPL. This includes support
1289 for reading and setting the time. Some RTC devices also have some
1290 non-volatile (battery-backed) memory which is accessible if
1291 needed. This enables the drivers in drivers/rtc as part of an SPL
1292 build.
1293
Simon Glass081a45a2021-08-08 12:20:17 -06001294config SPL_SATA
Simon Glass1e3911a2016-09-13 07:05:23 -06001295 bool "Support loading from SATA"
Simon Glass1e3911a2016-09-13 07:05:23 -06001296 help
1297 Enable support for SATA (Serial AT attachment) in SPL. This allows
1298 use of SATA devices such as hard drives and flash drivers for
1299 loading U-Boot. SATA is used in higher-end embedded systems and
1300 can provide higher performance than MMC , at somewhat higher
1301 expense and power consumption. This enables loading from SATA
1302 using a configured device.
1303
Tom Rinia0a6f692022-11-16 13:10:35 -05001304config SYS_SATA_FAT_BOOT_PARTITION
1305 int "Partition on the SATA disk to load U-Boot from"
1306 depends on SPL_SATA && SPL_FS_FAT
1307 default 1
1308
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001309config SPL_SATA_RAW_U_BOOT_USE_SECTOR
1310 bool "SATA raw mode: by sector"
Simon Glass081a45a2021-08-08 12:20:17 -06001311 depends on SPL_SATA
Pali Rohárcf97b822021-07-23 11:14:29 +02001312 default y if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001313 help
1314 Use sector number for specifying U-Boot location on SATA disk in
1315 raw mode.
1316
1317config SPL_SATA_RAW_U_BOOT_SECTOR
1318 hex "Sector on the SATA disk to load U-Boot from"
1319 depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR
Pali Rohárcf97b822021-07-23 11:14:29 +02001320 default 0x1 if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001321 help
1322 Sector on the SATA disk to load U-Boot from, when the SATA disk is being
1323 used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes).
1324
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301325config SPL_NVME
1326 bool "NVM Express device support"
Tom Rinid15a79c2024-06-04 19:37:41 -06001327 depends on SPL_BLK
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301328 select FS_LOADER
Mayuresh Chitale5d96a912023-06-03 19:32:54 +05301329 select SPL_BLK_FS
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301330 help
1331 This option enables support for NVM Express devices.
1332 It supports basic functions of NVMe (read/write).
1333
1334config SPL_NVME_PCI
1335 bool "NVM Express PCI device support for SPL"
1336 depends on SPL_PCI && SPL_NVME
1337 help
1338 This option enables support for NVM Express PCI devices.
1339 This allows use of NVMe devices for loading u-boot.
1340
1341config SPL_NVME_BOOT_DEVICE
1342 hex "NVMe boot device number"
1343 depends on SPL_NVME
1344 default 0x0
1345
1346config SYS_NVME_BOOT_PARTITION
1347 hex "NVMe boot partition number"
1348 depends on SPL_NVME
1349 default 0x1
1350
Simon Glassf4d60392021-08-08 12:20:12 -06001351config SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001352 bool "Support serial"
Alex Kiernan5b404282018-04-19 04:32:54 +00001353 select SPL_PRINTF
1354 select SPL_STRTO
Simon Glass1e3911a2016-09-13 07:05:23 -06001355 help
1356 Enable support for serial in SPL. This allows use of a serial UART
1357 for displaying messages while SPL is running. It also brings in
1358 printf() and panic() functions. This should normally be enabled
1359 unless there are space reasons not to. Even then, consider
Simon Glass7611ac62019-09-25 08:56:27 -06001360 enabling SPL_USE_TINY_PRINTF which is a small printf() version.
Simon Glass1e3911a2016-09-13 07:05:23 -06001361
Simon Glassa5820472021-08-08 12:20:14 -06001362config SPL_SPI
Simon Goldschmidt3a025332019-10-25 16:22:09 +02001363 bool "Support SPI drivers"
1364 help
1365 Enable support for using SPI in SPL. This is used for connecting
1366 to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
1367 more details on that. The SPI driver provides the transport for
1368 data between the SPI flash and the CPU. This option can be used to
1369 enable SPI drivers that are needed for other purposes also, such
1370 as a SPI PMIC.
1371
Simon Glass1e3911a2016-09-13 07:05:23 -06001372config SPL_SPI_FLASH_SUPPORT
1373 bool "Support SPI flash drivers"
Simon Glassa5820472021-08-08 12:20:14 -06001374 depends on SPL_SPI
Simon Glass1e3911a2016-09-13 07:05:23 -06001375 help
1376 Enable support for using SPI flash in SPL, and loading U-Boot from
1377 SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
1378 the SPI bus that is used to connect it to a system. It is a simple
1379 but fast bidirectional 4-wire bus (clock, chip select and two data
1380 lines). This enables the drivers in drivers/mtd/spi as part of an
Simon Glassa5820472021-08-08 12:20:14 -06001381 SPL build. This normally requires SPL_SPI.
Simon Glass1e3911a2016-09-13 07:05:23 -06001382
Vignesh R4d848c92019-02-05 11:29:20 +05301383if SPL_SPI_FLASH_SUPPORT
1384
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301385config SPL_SPI_FLASH_TINY
1386 bool "Enable low footprint SPL SPI Flash support"
1387 depends on !SPI_FLASH_BAR
Vignesh Rf53872d2019-02-05 11:29:26 +05301388 default y if SPI_FLASH
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301389 help
1390 Enable lightweight SPL SPI Flash support that supports just reading
1391 data/images from flash. No support to write/erase flash. Enable
1392 this if you have SPL size limitations and don't need full
1393 fledged SPI flash support.
1394
Vignesh R4d848c92019-02-05 11:29:20 +05301395config SPL_SPI_FLASH_SFDP_SUPPORT
1396 bool "SFDP table parsing support for SPI NOR flashes"
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301397 depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY
Vignesh R4d848c92019-02-05 11:29:20 +05301398 help
1399 Enable support for parsing and auto discovery of parameters for
1400 SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP)
1401 tables as per JESD216 standard in SPL.
1402
Lukasz Majewski76f442982020-06-04 23:11:53 +08001403config SPL_SPI_FLASH_MTD
1404 bool "Support for SPI flash MTD drivers in SPL"
1405 help
1406 Enable support for SPI flash MTD drivers in SPL.
1407
Marek Vasute2542252018-04-07 16:05:27 +02001408config SPL_SPI_LOAD
1409 bool "Support loading from SPI flash"
Marek Vasute2542252018-04-07 16:05:27 +02001410 help
1411 Enable support for loading next stage, U-Boot or otherwise, from
1412 SPI NOR in U-Boot SPL.
1413
Vignesh R4d848c92019-02-05 11:29:20 +05301414endif # SPL_SPI_FLASH_SUPPORT
1415
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001416config SYS_SPI_U_BOOT_OFFS
1417 hex "address of u-boot payload in SPI flash"
Andre Przywarae6d9fc02020-01-06 01:29:10 +00001418 default 0x8000 if ARCH_SUNXI
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001419 default 0x0
1420 depends on SPL_SPI_LOAD || SPL_SPI_SUNXI
1421 help
1422 Address within SPI-Flash from where the u-boot payload is fetched
1423 from.
1424
Faiz Abbasae1627c2017-11-14 16:12:31 +05301425config SPL_THERMAL
1426 bool "Driver support for thermal devices"
1427 help
1428 Enable support for temperature-sensing devices. Some SoCs have on-chip
1429 temperature sensors to permit warnings, speed throttling or even
1430 automatic power-off when the temperature gets too high or low. Other
1431 devices may be discrete but connected on a suitable bus.
1432
Simon Glass1ba1d4e2021-07-10 21:14:28 -06001433config SPL_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001434 bool "Support watchdog drivers"
Marek Vasut55ec91b2019-06-09 03:46:21 +02001435 imply SPL_WDT if !HW_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001436 help
1437 Enable support for watchdog drivers in SPL. A watchdog is
1438 typically a hardware peripheral which can reset the system when it
1439 detects no activity for a while (such as a software crash). This
1440 enables the drivers in drivers/watchdog as part of an SPL build.
1441
1442config SPL_YMODEM_SUPPORT
1443 bool "Support loading using Ymodem"
Simon Glassf4d60392021-08-08 12:20:12 -06001444 depends on SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001445 help
1446 While loading from serial is slow it can be a useful backup when
1447 there is no other option. The Ymodem protocol provides a reliable
1448 means of transmitting U-Boot over a serial line for using in SPL,
1449 with a checksum to ensure correctness.
1450
Philipp Tomsichf6618812017-09-13 21:29:36 +02001451config SPL_ATF
Kever Yang6e79a912017-05-05 11:47:45 +08001452 bool "Support ARM Trusted Firmware"
Samuel Holland27b77832022-10-30 23:26:19 -05001453 depends on ARM64
1454 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Kever Yang6e79a912017-05-05 11:47:45 +08001455 help
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001456 ATF(ARM Trusted Firmware) is a component for ARM AArch64 which
1457 is loaded by SPL (which is considered as BL2 in ATF terminology).
Peter Robinson32d26c72024-10-02 19:08:49 +01001458 More detail at: https://github.com/TrustedFirmware-A/trusted-firmware-a
Kever Yang6e79a912017-05-05 11:47:45 +08001459
Michael Walleafaf6ea2020-11-18 17:45:58 +01001460config SPL_ATF_LOAD_IMAGE_V2
1461 bool "Use the new LOAD_IMAGE_V2 parameter passing"
1462 depends on SPL_ATF
1463 help
1464 Some platforms use the newer LOAD_IMAGE_V2 parameter passing.
1465
1466 If you want to load a bl31 image from the SPL and need the new
1467 method, say Y.
1468
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001469config SPL_ATF_NO_PLATFORM_PARAM
Michal Simek0606f9e2021-05-20 13:08:44 +02001470 bool "Pass no platform parameter"
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001471 depends on SPL_ATF
1472 help
1473 While we expect to call a pointer to a valid FDT (or NULL)
1474 as the platform parameter to an ATF, some ATF versions are
1475 not U-Boot aware and have an insufficiently robust parameter
1476 validation to gracefully reject a FDT being passed.
1477
1478 If this option is enabled, the spl_atf os-type handler will
1479 always pass NULL for the platform parameter.
1480
1481 If your ATF is affected, say Y.
1482
Alex Kiernan10238ef2018-03-15 22:11:46 +00001483config SPL_AM33XX_ENABLE_RTC32K_OSC
1484 bool "Enable the RTC32K OSC on AM33xx based platforms"
Tom Rini78896ae2022-05-31 10:24:55 -04001485 depends on AM33XX
Alex Kiernan10238ef2018-03-15 22:11:46 +00001486 default y if AM33XX
1487 help
1488 Enable access to the AM33xx RTC and select the external 32kHz clock
1489 source.
1490
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001491config SPL_OPTEE_IMAGE
1492 bool "Support OP-TEE Trusted OS image in SPL"
Kever Yanga28d42c2018-08-23 17:17:59 +08001493 depends on ARM
Jagan Teki9bd34ac2022-11-03 11:49:47 +05301494 depends on SPL_LOAD_FIT || SPL_LOAD_FIT_FULL
Kever Yanga28d42c2018-08-23 17:17:59 +08001495 help
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001496 OP-TEE is an open source Trusted OS which is loaded by SPL.
Kever Yanga28d42c2018-08-23 17:17:59 +08001497 More detail at: https://github.com/OP-TEE/optee_os
1498
Lukas Auer515b9342019-08-21 21:14:44 +02001499config SPL_OPENSBI
1500 bool "Support RISC-V OpenSBI"
1501 depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE
Samuel Holland27b77832022-10-30 23:26:19 -05001502 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Lukas Auer515b9342019-08-21 21:14:44 +02001503 help
1504 OpenSBI is an open-source implementation of the RISC-V Supervisor Binary
1505 Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC
1506 firmware. It is loaded and started by U-Boot SPL.
1507
1508 More details are available at https://github.com/riscv/opensbi and
1509 https://github.com/riscv/riscv-sbi-doc
1510
1511config SPL_OPENSBI_LOAD_ADDR
1512 hex "OpenSBI load address"
1513 depends on SPL_OPENSBI
1514 help
1515 Load address of the OpenSBI binary.
1516
Nikita Shubind3d68062022-08-08 13:28:52 +03001517config SPL_OPENSBI_SCRATCH_OPTIONS
1518 hex "Scratch options passed to OpenSBI"
1519 default 0x1
1520 depends on SPL_OPENSBI
1521 help
Heinrich Schuchardta3587892023-07-04 02:14:21 +02001522 This bitmap of options is passed from U-Boot SPL to OpenSBI.
1523 As of OpenSBI 1.3 the following bits are defined:
1524 - SBI_SCRATCH_NO_BOOT_PRINTS = 0x1 (Disable prints during boot)
1525 - SBI_SCRATCH_DEBUG_PRINTS = 0x2 (Enable runtime debug prints)
Nikita Shubind3d68062022-08-08 13:28:52 +03001526
Tom Rini06d06f72022-05-27 17:13:52 -04001527config SPL_TARGET
1528 string "Addtional build targets for 'make'"
1529 default "spl/u-boot-spl.srec" if RCAR_GEN2
1530 default "spl/u-boot-spl.scif" if RCAR_GEN3
1531 default ""
1532 help
1533 On some platforms we need to have 'make' run additional build target
1534 rules. If required on your platform, enter it here, otherwise leave blank.
1535
Tom Rini2aa5e502022-05-30 17:11:23 -04001536
1537config SPL_AT91_MCK_BYPASS
1538 bool "Use external clock signal as a source of main clock for AT91 platforms"
1539 depends on ARCH_AT91
1540 help
1541 Use external 8 to 24 Mhz clock signal as source of main clock instead
1542 of an external crystal oscillator.
1543 This option disables the internal driving on the XOUT pin.
1544 The external source has to provide a stable clock on the XIN pin.
1545 If this option is disabled, the SoC expects a crystal oscillator
1546 that needs driving on both XIN and XOUT lines.
1547endmenu
1548
Tom Rini3c82f982017-05-22 19:21:57 +00001549config TPL
Tom Rini3c82f982017-05-22 19:21:57 +00001550 depends on SUPPORT_TPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001551 bool "Enable TPL"
Tom Rini3c82f982017-05-22 19:21:57 +00001552 help
1553 If you want to build TPL as well as the normal image and SPL, say Y.
1554
Tom Rini0d989c82022-05-30 17:01:22 -04001555source "common/spl/Kconfig.tpl"
Tom Rini3c82f982017-05-22 19:21:57 +00001556
Simon Glasse7ca7da2022-04-30 00:56:53 -06001557config VPL
Simon Glasse7ca7da2022-04-30 00:56:53 -06001558 depends on SUPPORT_SPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001559 bool "Enable VPL"
Simon Glasse7ca7da2022-04-30 00:56:53 -06001560 help
1561 If you want to build VPL as well as the normal image, TPL and SPL,
1562 say Y.
1563
Tom Rini0d989c82022-05-30 17:01:22 -04001564source "common/spl/Kconfig.vpl"