blob: c08045f9c8d78e4aff3661de9dfd5cfdad82eb06 [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
Andre Przywara3f5873f2022-09-13 01:23:58 +010083 default 0xbfa0 if MACH_SUN50I_H616
Tom Riniabb0f522022-05-16 17:20:26 -040084 default 0x7000 if RCAR_GEN3
85 default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0
Andre Przywaraa0e2a092025-01-02 11:06:22 +000086 default 0x7fa0 if ARCH_SUNXI
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
Oliver Gaskell14032b32024-09-12 16:50:56 +010089 default 0x30000 if ARCH_SC5XX && (SC59X_64 || SC59X)
Oliver Gaskellcb0d39d2024-09-12 16:51:01 +010090 default 0x20000 if ARCH_SC5XX && (SC58X || SC57X)
Tom Riniabb0f522022-05-16 17:20:26 -040091 default 0x0
92 help
93 Maximum size of the SPL image (text, data, rodata, and linker lists
94 sections), BSS excluded. When defined, the linker checks that the
95 actual size does not exceed it.
96
97config SPL_PAD_TO
98 hex "Offset to which the SPL should be padded before appending the SPL payload"
99 default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB
100 default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB)
101 default 0x10000 if ARCH_KEYSTONE
Samuel Holland3d37a012023-10-31 00:17:38 -0500102 default 0x0 if ARCH_MTMIPS || ARCH_SUNXI
Tom Riniabb0f522022-05-16 17:20:26 -0400103 default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE
104 default SPL_MAX_SIZE
105 help
106 Image offset to which the SPL should be padded before appending the
107 SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if
108 CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either
109 0, meaning to append the SPL payload without any padding, or >=
110 CONFIG_SPL_MAX_SIZE.
111
Tom Rini65aa1242022-05-27 10:19:45 -0400112config SPL_HAS_BSS_LINKER_SECTION
113 depends on SPL_FRAMEWORK
114 bool "Use a specific address for the BSS via the linker script"
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100115 default y if ARCH_SUNXI || ARCH_MX6 || ARCH_OMAP2PLUS || MIPS || RISCV || ARCH_ZYNQMP || ARCH_SC5XX
Tom Rini65aa1242022-05-27 10:19:45 -0400116
117config SPL_BSS_START_ADDR
118 hex "Link address for the BSS within the SPL binary"
119 depends on SPL_HAS_BSS_LINKER_SECTION
120 default 0x88200000 if (ARCH_MX6 && (MX6SX || MX6SL || MX6UL || MX6ULL)) || ARCH_MX7
121 default 0x18200000 if ARCH_MX6 && !(MX6SX || MX6SL || MX6UL || MX6ULL)
122 default 0x80a00000 if ARCH_OMAP2PLUS
123 default 0x81f80000 if ARCH_SUNXI && MACH_SUNIV
124 default 0x4ff80000 if ARCH_SUNXI && !(MACH_SUN9I || MACH_SUNIV)
125 default 0x2ff80000 if ARCH_SUNXI && MACH_SUN9I
Stefan Herbrechtsmeier30e73282022-07-14 15:47:33 +0200126 default 0x1000 if ARCH_ZYNQMP
Oliver Gaskell14032b32024-09-12 16:50:56 +0100127 default 0x200B0000 if ARCH_SC5XX && (SC59X_64 || SC59X)
Oliver Gaskell053a1202024-09-12 16:50:58 +0100128 default 0x20080000 if ARCH_SC5XX && SC58X
Oliver Gaskellcb0d39d2024-09-12 16:51:01 +0100129 default 0x200A0000 if ARCH_SC5XX && SC57X
Tom Rini65aa1242022-05-27 10:19:45 -0400130
Tom Rini0cb89e72022-05-19 15:09:22 -0400131choice
132 prompt "Enforce SPL BSS limit"
Tom Rini2aa5e502022-05-30 17:11:23 -0400133 depends on !PPC
Tom Rini0cb89e72022-05-19 15:09:22 -0400134 default SPL_BSS_LIMIT
135 help
136 In some platforms we only want to enforce a limit on the size of the
137 BSS in memory. On other platforms we need to enforce a limit on the
138 whole of the memory allocation as we're strictly limited to a small
139 typically non-DRAM location. Finally, other platforms do not enforce
140 a memory limit within SPL.
141
142config SPL_NO_BSS_LIMIT
143 bool "Do not enforce a build time limit on the size of the BSS"
144
145config SPL_BSS_LIMIT
146 bool "Enforce a limit on the size of the BSS only"
147
148config SPL_FOOTPRINT_LIMIT
149 bool "Enforce a limit on the whole of memory allocated to SPL, BSS included"
150
151endchoice
152
153config SPL_BSS_MAX_SIZE
154 hex "Maximum size in memory allocated to the SPL BSS"
155 depends on SPL_BSS_LIMIT
156 default 0x100000 if ARCH_MX6 || RISCV
157 default 0x80000 if ARCH_OMAP2PLUS || ARCH_SUNXI
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100158 default 0x10000 if ARCH_SC5XX
Tom Rini0cb89e72022-05-19 15:09:22 -0400159 help
160 When non-zero, the linker checks that the actual memory used by SPL
161 from __bss_start to __bss_end does not exceed it.
162
163config SPL_MAX_FOOTPRINT
164 hex "Maximum size in memory allocated to the SPL, BSS included"
165 depends on SPL_FOOTPRINT_LIMIT
166 help
167 When non-zero, the linker checks that the actual memory used by SPL
168 from _start to __bss_end does not exceed it.
169
Simon Goldschmidt0b820852019-07-16 22:30:36 +0200170config SPL_SYS_STACK_F_CHECK_BYTE
171 hex
172 default 0xaa
173 help
174 Constant used to check the stack
175
176config SPL_SYS_REPORT_STACK_F_USAGE
177 depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0
178 bool "Check and report stack usage in SPL before relocation"
179 help
180 If this option is enabled, the initial SPL stack is filled with 0xaa
181 very early, up to the size configured with
182 SPL_SIZE_LIMIT_PROVIDE_STACK.
183 Later when SPL is done using this initial stack and switches to a
184 stack in DRAM, the actually used size of this initial stack is
185 reported by examining the memory and searching for the lowest
186 occurrence of non 0xaa bytes.
187 This default implementation works for stacks growing down only.
188
Simon Glass58254e02021-07-05 16:32:57 -0600189config SPL_SHOW_ERRORS
190 bool "Show more information when something goes wrong"
Sean Anderson4d9e0f62023-11-08 11:48:35 -0500191 depends on SPL_LIBCOMMON_SUPPORT
Simon Glass58254e02021-07-05 16:32:57 -0600192 help
193 This enabled more verbose error messages and checking when something
194 goes wrong in SPL. For example, it shows the error code when U-Boot
195 cannot be located. This can help to diagnose the problem and figure
196 out a fix, particularly during development.
197
198 This adds a small amount to SPL code size, perhaps 100 bytes.
199
Simon Glass02b87002022-02-08 11:49:48 -0700200config SPL_BINMAN_SYMBOLS
201 bool "Declare binman symbols in SPL"
202 depends on SPL_FRAMEWORK && BINMAN
203 default y
204 help
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300205 This enables use of symbols in SPL which refer to other entries in
206 the same binman image as the SPL. These can be declared with the
207 binman_sym_declare(type, entry, prop) macro and accessed by the
208 binman_sym(type, entry, prop) macro defined in binman_sym.h.
209
210 See tools/binman/binman.rst for a detailed explanation.
211
212config SPL_BINMAN_UBOOT_SYMBOLS
213 bool "Declare binman symbols for U-Boot phases in SPL"
214 depends on SPL_BINMAN_SYMBOLS
Gary Bisson2e951192024-08-05 23:25:09 +0200215 default n if ARCH_IMX8M || ARCH_IMX8ULP || ARCH_IMX9
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300216 default y
217 help
218 This enables use of symbols in SPL which refer to U-Boot phases,
219 enabling SPL to obtain the location and size of its next phase simply
220 by calling spl_get_image_pos() and spl_get_image_size().
Simon Glass02b87002022-02-08 11:49:48 -0700221
Alper Nebi Yasakd6d2c9b2022-06-18 15:13:09 +0300222 For this to work, you must have all U-Boot phases in the same binman
223 image, so binman can update SPL with the locations of everything.
Simon Glass02b87002022-02-08 11:49:48 -0700224
Tom Rini0d989c82022-05-30 17:01:22 -0400225source "common/spl/Kconfig.nxp"
Tom Rini6b15c162022-05-13 12:26:35 -0400226
Simon Glasse14f1a22018-11-15 18:44:09 -0700227config HANDOFF
228 bool "Pass hand-off information from SPL to U-Boot proper"
Tom Rini2aa5e502022-05-30 17:11:23 -0400229 depends on BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700230 help
231 It is useful to be able to pass information from SPL to U-Boot
232 proper to preserve state that is known in SPL and is needed in U-Boot.
233 Enable this to locate the handoff information in U-Boot proper, early
234 in boot. It is available in gd->handoff. The state state is set up
235 in SPL (or TPL if that is being used).
236
Simon Glasse14f1a22018-11-15 18:44:09 -0700237config SPL_HANDOFF
238 bool "Pass hand-off information from SPL to U-Boot proper"
Simon Glass540ee8d2019-09-25 08:11:17 -0600239 depends on HANDOFF && SPL_BLOBLIST
Simon Glasse14f1a22018-11-15 18:44:09 -0700240 default y
241 help
242 This option enables SPL to write handoff information. This can be
243 used to pass information like the size of SDRAM from SPL to U-Boot
244 proper. Also SPL can receive information from TPL in the same place
245 if that is enabled.
246
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200247config SPL_LDSCRIPT
248 string "Linker script for the SPL stage"
Tom Rini49f5d172022-06-08 08:24:37 -0400249 default "arch/arm/cpu/arm926ejs/sunxi/u-boot-spl.lds" if MACH_SUNIV
250 default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if ARCH_SUNXI && !MACH_SUNIV && !ARM64
251 default "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" if (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
252 default "arch/arm/cpu/arm1136/u-boot-spl.lds" if CPU_ARM1136
253 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARCH_LS1043A || ARCH_LS1046A || ARCH_LS2080A
254 default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64
255 default "arch/arm/mach-at91/arm926ejs/u-boot-spl.lds" if ARCH_AT91 && CPU_ARM926EJS
256 default "arch/arm/mach-at91/armv7/u-boot-spl.lds" if ARCH_AT91 && CPU_V7A
257 default "arch/arm/mach-omap2/u-boot-spl.lds" if ARCH_MX6 || ARCH_OMAP2PLUS || (ARCH_K3 && !ARM64)
258 default "arch/arm/mach-zynq/u-boot-spl.lds" if ARCH_ZYNQ
259 default "board/samsung/common/exynos-uboot-spl.lds" if ARCH_EXYNOS5 || ARCH_EXYNOS4
260 default "board/davinci/da8xxevm/u-boot-spl-da850evm.lds" if ARCH_DAVINCI
Tom Rini067b9ff2020-03-11 18:11:11 -0400261 default "arch/\$(ARCH)/cpu/u-boot-spl.lds"
Philipp Tomsichbe1c53a2017-07-28 19:20:49 +0200262 help
263 The SPL stage will usually require a different linker-script
264 (as it runs from a different memory region) than the regular
265 U-Boot stage. Set this to the path of the linker-script to
266 be used for SPL.
267
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200268config SPL_TEXT_BASE
269 hex "SPL Text Base"
Paul Kocialkowski14cb2622024-07-28 22:24:50 +0200270 default 0x40200000 if OMAP34XX
Andrew Davis06a021b2022-07-15 12:31:48 -0500271 default 0x402F4000 if AM43XX
272 default 0x402F0400 if AM33XX
Marek Vasute957fb02024-10-20 23:00:38 +0200273 default 0x00908000 if ARCH_MX6
Marek Vasut001976b2024-10-20 23:00:39 +0200274 default 0x00912000 if ARCH_MX7
Andrew Davis06a021b2022-07-15 12:31:48 -0500275 default 0x40301350 if OMAP54XX
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100276 default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I
Andre Przywara068962b2022-10-05 17:54:19 +0100277 default 0x20060 if SUN50I_GEN_H6 || SUNXI_GEN_NCAT2
Andre Przywarad38c8ad2019-05-27 01:45:11 +0100278 default 0x00060 if ARCH_SUNXI
Michal Simekad336ea2019-09-11 08:49:31 +0200279 default 0xfffc0000 if ARCH_ZYNQMP
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100280 default 0x20080000 if ARCH_SC5XX
Simon Goldschmidtcc4078c2018-09-30 14:31:53 +0200281 default 0x0
282 help
283 The address in memory that SPL will be running from.
284
Lukas Funkee51ca6a2024-03-27 13:11:52 +0100285config SPL_SOC_INIT
286 bool "Call SoC-specific initialization in SPL"
287 help
288 If this option is enabled, U-Boot will call the function
289 spl_soc_init() from board_init_r(). This function should be
290 provided by the SoC vendor.
291
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800292config SPL_BOARD_INIT
Ley Foon Tan48fcc4a2017-05-03 17:13:32 +0800293 bool "Call board-specific initialization in SPL"
294 help
295 If this option is enabled, U-Boot will call the function
296 spl_board_init() from board_init_r(). This function should be
297 provided by the board.
298
Sean Anderson35f15fe2023-11-08 11:48:43 -0500299config SPL_LOAD_BLOCK
300 bool
301 help
302 Support loading images from block devices. This adds a bl_len member
303 to struct spl_load_info.
304
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200305config SPL_BOOTROM_SUPPORT
Michal Simek0606f9e2021-05-20 13:08:44 +0200306 bool "Support returning to the BOOTROM"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500307 select SPL_LOAD_BLOCK if MACH_IMX
Philipp Tomsich83ad7022017-06-22 23:38:36 +0200308 help
309 Some platforms (e.g. the Rockchip RK3368) provide support in their
310 ROM for loading the next boot-stage after performing basic setup
311 from the SPL stage.
312
313 Enable this option, to return to the BOOTROM through the
314 BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the
315 boot device list, if not implemented for a given board)
316
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200317config SPL_BOOTCOUNT_LIMIT
318 bool "Support bootcount in SPL"
Philippe Reynes8d82a202020-12-11 19:56:47 +0100319 depends on SPL_ENV_SUPPORT && !TPL_BOOTCOUNT_LIMIT
Lukasz Majewski97c995d2018-05-02 16:10:50 +0200320 help
321 On some boards, which use 'falcon' mode, it is necessary to check
322 and increment the number of boot attempts. Such boards do not
323 use proper U-Boot for normal boot flow and hence needs those
324 adjustments to be done in the SPL.
325
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600326config SPL_RAW_IMAGE_SUPPORT
327 bool "Support SPL loading and booting of RAW images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200328 default n if ARCH_MVEBU
Simon Glass081a45a2021-08-08 12:20:17 -0600329 default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA))
Andrew Davis4c1f4762022-05-04 15:52:26 -0500330 default y
331 depends on !TI_SECURE_DEVICE
Andrew F. Davisb4be3c32017-02-16 11:18:38 -0600332 help
333 SPL will support loading and booting a RAW image when this option
334 is y. If this is not set, SPL will move on to other available
335 boot media to find a suitable image.
336
Andrew Davis360ec6a2022-05-04 15:52:25 -0500337config SPL_LEGACY_IMAGE_FORMAT
Andrew F. Davis74630342017-02-16 11:18:39 -0600338 bool "Support SPL loading and booting of Legacy images"
Pali Rohár3c5ce032022-05-24 10:58:42 +0200339 default n if ARCH_MVEBU
Andrew Davis4c1f4762022-05-04 15:52:26 -0500340 default y if !SPL_LOAD_FIT
341 depends on !TI_SECURE_DEVICE
Andrew F. Davis74630342017-02-16 11:18:39 -0600342 help
343 SPL will support loading and booting Legacy images when this option
344 is y. If this is not set, SPL will move on to other available
345 boot media to find a suitable image.
346
Simon Goldschmidt17140472019-02-10 21:34:37 +0100347config SPL_LEGACY_IMAGE_CRC_CHECK
348 bool "Check CRC of Legacy images"
Andrew Davis360ec6a2022-05-04 15:52:25 -0500349 depends on SPL_LEGACY_IMAGE_FORMAT
Simon Glassefc12232021-07-14 17:05:32 -0500350 select SPL_CRC32
Simon Goldschmidt17140472019-02-10 21:34:37 +0100351 help
352 Enable this to check the CRC of Legacy images. While this increases
353 reliability, it affects both code size and boot duration.
354 If disabled, Legacy images are booted if the image magic and size
355 are correct, without further integrity checks.
356
Sean Andersonefc185e2023-10-14 16:47:45 -0400357config SPL_LOAD_IMX_CONTAINER
358 bool "Enable SPL loading and booting of i.MX8 Containers"
359 depends on SPL
360 help
361 Support booting U-Boot from an i.MX8 container image. If you are not
362 using i.MX8, say 'n'.
363
364config IMX_CONTAINER_CFG
365 string "i.MX8 Container config file"
366 depends on SPL && SPL_LOAD_IMX_CONTAINER
367 help
368 Specify the cfg file for generating the container image which will be
369 loaded by SPL.
370
Simon Glassffe19762016-09-12 23:18:22 -0600371config SPL_SYS_MALLOC_SIMPLE
Tom Rini2aa5e502022-05-30 17:11:23 -0400372 bool "Only use malloc_simple functions in the SPL"
Simon Glassffe19762016-09-12 23:18:22 -0600373 help
374 Say Y here to only use the *_simple malloc functions from
375 malloc_simple.c, rather then using the versions from dlmalloc.c;
376 this will make the SPL binary smaller at the cost of more heap
377 usage as the *_simple malloc functions do not re-use free-ed mem.
378
Tom Rini8a14ac42022-05-26 13:13:21 -0400379config SPL_SHARES_INIT_SP_ADDR
380 bool "SPL and U-Boot use the same initial stack pointer location"
381 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && SPL_FRAMEWORK
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +0100382 default n if ARCH_SUNXI || ARCH_MX6 || ARCH_MX7 || ARCH_SC5XX
Tom Rini8a14ac42022-05-26 13:13:21 -0400383 default y
384 help
385 In many cases, we can use the same initial stack pointer address for
386 both SPL and U-Boot itself. If you need to specify a different address
387 however, say N here and then set a different value in CONFIG_SPL_STACK.
388
Simon Glassbf7c0ce2025-02-28 05:20:24 -0700389config SPL_HAVE_INIT_STACK
390 bool "SPL requires a initial, fixed, stack-pointer location"
Kever Yang4d87ac32024-01-24 15:42:04 +0800391 depends on (ARM || ARCH_JZ47XX || MICROBLAZE || RISCV) && \
392 SPL_FRAMEWORK || ROCKCHIP_RK3036
Tom Rini8a14ac42022-05-26 13:13:21 -0400393 depends on !SPL_SHARES_INIT_SP_ADDR
Simon Glassbf7c0ce2025-02-28 05:20:24 -0700394 default y if ARCH_MX7
395 default y if ARCH_MX6 && MX6_OCRAM_256KB
396 default y if ARCH_MX6 && !MX6_OCRAM_256KB
397 default y if MACH_SUN50I_H6 || MACH_SUN50I_H616 || MACH_SUN8I_R528
398 default y if MACH_SUN50I || MACH_SUN50I_H5
399 default y if MACH_SUN9I
400 default y if ARCH_SUNXI
401 default y if ARCH_SC5XX && (SC59X_64 || SC59X)
402 default y if ARCH_SC5XX && SC58X
403 default y if ARCH_SC5XX && SC57X
404 help
405 Enable if the SPL phase should not use inherit its initial
406 stack-pointer from the settings for U-Boot proper, but should set
407 its own value.
408
409config SPL_STACK
410 hex "Address of the initial stack-pointer for the SPL phase"
411 depends on SPL_HAVE_INIT_STACK
Tom Rinied83ed92022-05-26 13:46:32 -0400412 default 0x946bb8 if ARCH_MX7
Tom Rini55242432022-05-26 13:36:17 -0400413 default 0x93ffb8 if ARCH_MX6 && MX6_OCRAM_256KB
414 default 0x91ffb8 if ARCH_MX6 && !MX6_OCRAM_256KB
Andre Przywara3f5873f2022-09-13 01:23:58 +0100415 default 0x118000 if MACH_SUN50I_H6
Andre Przywarac573b092022-07-13 16:27:57 +0100416 default 0x52a00 if MACH_SUN50I_H616
Andre Przywara1987b0c2022-09-06 15:59:57 +0100417 default 0x40000 if MACH_SUN8I_R528
Andre Przywara3f5873f2022-09-13 01:23:58 +0100418 default 0x54000 if MACH_SUN50I || MACH_SUN50I_H5
419 default 0x18000 if MACH_SUN9I
420 default 0x8000 if ARCH_SUNXI
Simon Glassbf7c0ce2025-02-28 05:20:24 -0700421 default 0x200e4000 if ARCH_SC5XX && (SC59X_64 || SC59X)
422 default 0x200b0000 if ARCH_SC5XX && SC58X
423 default 0x200d0000 if ARCH_SC5XX && SC57X
Tom Rini8a14ac42022-05-26 13:13:21 -0400424 help
425 Address of the start of the stack SPL will use before SDRAM is
426 initialized.
427
Simon Glassffe19762016-09-12 23:18:22 -0600428config SPL_STACK_R
Simon Glassffe19762016-09-12 23:18:22 -0600429 bool "Enable SDRAM location for SPL stack"
430 help
431 SPL starts off execution in SRAM and thus typically has only a small
432 stack available. Since SPL sets up DRAM while in its board_init_f()
433 function, it is possible for the stack to move there before
434 board_init_r() is reached. This option enables a special SDRAM
435 location for the SPL stack. U-Boot SPL switches to this after
436 board_init_f() completes, and before board_init_r() starts.
437
438config SPL_STACK_R_ADDR
439 depends on SPL_STACK_R
440 hex "SDRAM location for SPL stack"
Tom Rinic37e0cf2017-09-17 11:44:49 -0400441 default 0x82000000 if ARCH_OMAP2PLUS
Simon Glassffe19762016-09-12 23:18:22 -0600442 help
443 Specify the address in SDRAM for the SPL stack. This will be set up
444 before board_init_r() is called.
445
446config SPL_STACK_R_MALLOC_SIMPLE_LEN
447 depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE
448 hex "Size of malloc_simple heap after switching to DRAM SPL stack"
Neha Malcom Francis0f1326e2023-01-11 18:11:23 +0530449 default 0x400000 if ARCH_K3 && ARM64
Vignesh Raghavendrac6fc1502024-05-31 20:16:36 +0530450 default 0x200000 if ARCH_K3 && CPU_V7R
Simon Glassffe19762016-09-12 23:18:22 -0600451 default 0x100000
452 help
453 Specify the amount of the stack to use as memory pool for
454 malloc_simple after switching the stack to DRAM. This may be set
455 to give board_init_r() a larger heap then the initial heap in
456 SRAM which is limited to SYS_MALLOC_F_LEN bytes.
457
458config SPL_SEPARATE_BSS
Simon Glassffe19762016-09-12 23:18:22 -0600459 bool "BSS section is in a different memory region from text"
460 help
461 Some platforms need a large BSS region in SPL and can provide this
462 because RAM is already set up. In this case BSS can be moved to RAM.
463 This option should then be enabled so that the correct device tree
464 location is used. Normally we put the device tree at the end of BSS
465 but with this option enabled, it goes at _image_binary_end.
466
Simon Glass67e3fca2023-09-26 08:14:16 -0600467config SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400468 bool "Enable malloc pool in SPL"
469 depends on SPL_FRAMEWORK
470
Simon Glass67e3fca2023-09-26 08:14:16 -0600471config SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400472 bool "For the SPL malloc pool, define a custom starting address"
Simon Glass67e3fca2023-09-26 08:14:16 -0600473 depends on SPL_SYS_MALLOC
Tom Rini166e3222022-05-27 12:48:32 -0400474
Simon Glass67e3fca2023-09-26 08:14:16 -0600475config SPL_CUSTOM_SYS_MALLOC_ADDR
Tom Rini166e3222022-05-27 12:48:32 -0400476 hex "SPL malloc addr"
Simon Glass67e3fca2023-09-26 08:14:16 -0600477 depends on SPL_HAS_CUSTOM_MALLOC_START
Tom Rini166e3222022-05-27 12:48:32 -0400478
Simon Glass67e3fca2023-09-26 08:14:16 -0600479config SPL_SYS_MALLOC_SIZE
Tom Rini166e3222022-05-27 12:48:32 -0400480 hex "Size of the SPL malloc pool"
Simon Glass67e3fca2023-09-26 08:14:16 -0600481 depends on SPL_SYS_MALLOC
Yuri Zaporozhetsc08c6d32024-11-11 20:24:04 +0100482 default 0x180000 if BIOSEMU && RISCV
Tom Rini166e3222022-05-27 12:48:32 -0400483 default 0x100000
484
Simon Glass5b21b342021-03-15 17:25:35 +1300485config SPL_READ_ONLY
486 bool
487 depends on SPL_OF_PLATDATA
488 # Bind cannot be supported because the udevice structs are in read-only
489 # memory so we cannot update the linked lists.
490 select SPL_OF_PLATDATA_NO_BIND
491 select SPL_OF_PLATDATA_RT
492 help
493 Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only
494 section of memory. This means that of-platdata must make a copy (in
495 writeable memory) of anything it wants to modify, such as
496 device-private data.
497
Simon Glass6324cce2018-11-15 18:43:57 -0700498config SPL_BANNER_PRINT
499 bool "Enable output of the SPL banner 'U-Boot SPL ...'"
500 default y
501 help
502 If this option is enabled, SPL will print the banner with version
Thomas Hebbfd37f242019-11-13 18:18:03 -0800503 info. Disabling this option could be useful to reduce SPL boot time
Simon Glass6324cce2018-11-15 18:43:57 -0700504 (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud).
505
Andreas Dannenbergaa4ad4b2019-06-04 17:55:45 -0500506config SPL_EARLY_BSS
507 depends on ARM && !ARM64
508 bool "Allows initializing BSS early before entering board_init_f"
509 help
510 On some platform we have sufficient memory available early on to
511 allow setting up and using a basic BSS prior to entering
512 board_init_f. Activating this option will also de-activate the
513 clearing of BSS during the SPL relocation process, thus allowing
514 to carry state from board_init_f to board_init_r by way of BSS.
515
Simon Glassf481ab12016-09-24 18:19:56 -0600516config SPL_DISPLAY_PRINT
Simon Glassf481ab12016-09-24 18:19:56 -0600517 bool "Display a board-specific message in SPL"
518 help
519 If this option is enabled, U-Boot will call the function
520 spl_display_print() immediately after displaying the SPL console
521 banner ("U-Boot SPL ..."). This function should be provided by
522 the board.
523
Sean Anderson29e338f2023-11-08 11:48:50 -0500524config SPL_SYS_MMCSD_RAW_MODE
Simon Glass18422832024-08-22 07:55:00 -0600525 bool "Use raw reads to locate the next boot phase"
526 depends on SPL_DM_MMC || SPL_MMC
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300527 default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \
528 ARCH_MX6 || ARCH_MX7 || \
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200529 ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \
530 ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Tom Rini8c6b4372024-07-15 13:35:53 -0600531 OMAP54XX || AM33XX || AM43XX || \
Green Wan2e5da522021-05-27 06:52:13 -0700532 TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Simon Glass18422832024-08-22 07:55:00 -0600533 help
534 Support booting from an MMC without a filesystem.
535
536if SPL_SYS_MMCSD_RAW_MODE
537
538choice
539 prompt "Method for locating next phase of boot (e.g. U-Boot)"
540
541config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
542 bool "MMC raw mode: by sector"
543 select SPL_LOAD_BLOCK
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200544 help
545 Use sector number for specifying U-Boot location on MMC/SD in
546 raw mode.
547
Simon Glass18422832024-08-22 07:55:00 -0600548config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
549 bool "MMC raw mode: by partition"
550 select SPL_LOAD_BLOCK
551 help
552 Use a partition for loading U-Boot when using MMC/SD in raw mode.
553
554config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
555 bool "MMC raw mode: by partition type"
556 depends on DOS_PARTITION
557 help
558 Use partition type for specifying U-Boot partition on MMC/SD in
559 raw mode. U-Boot will be loaded from the first partition of this
560 type to be found.
561
562endchoice
563
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200564config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
565 hex "Address on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000566 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100567 default 0x40 if ARCH_SUNXI
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200568 default 0x75 if ARCH_DAVINCI
Fabio Estevam22a1fab2018-06-11 15:08:05 -0300569 default 0x8a if ARCH_MX6 || ARCH_MX7
Kever Yang6cc131d2017-11-02 15:16:34 +0800570 default 0x100 if ARCH_UNIPHIER
Pali Rohárcf97b822021-07-23 11:14:29 +0200571 default 0x0 if ARCH_MVEBU
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200572 default 0x200 if ARCH_SOCFPGA || ARCH_AT91
Tom Rini8c6b4372024-07-15 13:35:53 -0600573 default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \
Lokesh Vutla9bdec002018-08-27 15:57:08 +0530574 OMAP54XX || AM33XX || AM43XX || ARCH_K3
Kever Yang6cc131d2017-11-02 15:16:34 +0800575 default 0x4000 if ARCH_ROCKCHIP
Green Wan2e5da522021-05-27 06:52:13 -0700576 default 0x822 if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED
Semen Protsenko7e3ba482016-11-16 19:19:05 +0200577 help
578 Address on the MMC to load U-Boot from, when the MMC is being used
579 in raw mode. Units: MMC sectors (1 sector = 512 bytes).
580
Baruch Siachfef81be2020-01-15 09:08:08 +0200581config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET
582 hex "U-Boot main hardware partition image offset"
583 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
Andre Przywarad42cbee2021-01-11 21:11:39 +0100584 default 0x10 if ARCH_SUNXI
Baruch Siachfef81be2020-01-15 09:08:08 +0200585 default 0x0
586 help
587 On some platforms SPL location depends on hardware partition. The ROM
588 code skips the MBR sector when loading SPL from main hardware data
589 partition. This adds offset to the main U-Boot image. Set this symbol
590 to the number of skipped sectors.
591
592 If unsure, leave the default.
593
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800594config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION
595 hex "Partition to use to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000596 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
Dalon Westergreenf5ba9852017-02-10 17:15:35 -0800597 default 1
598 help
599 Partition on the MMC to load U-Boot from when the MMC is being
600 used in raw mode
601
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800602config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE
603 hex "Partition Type on the MMC to load U-Boot from"
Tom Rini3c82f982017-05-22 19:21:57 +0000604 depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE
Dalon Westergreen8d770f42017-02-10 17:15:34 -0800605 help
606 Partition Type on the MMC to load U-Boot from, when the MMC is being
607 used in raw mode.
608
Simon Glass18422832024-08-22 07:55:00 -0600609endif # SPL_SYS_MMCSD_RAW_MODE
610
Anatolij Gustschin137b8732019-10-18 21:38:33 +0200611config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
612 bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition"
613 depends on SUPPORT_EMMC_BOOT
614 help
615 eMMC boot partition is normally configured by the bits of the EXT_CSD
616 register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some
617 cases it might be required in SPL to load the image from different
618 partition than the partition selected by EXT_CSC_PART_CONFIG register.
619 Enable this option if you intend to use an eMMC boot partition other
620 then selected via EXT_CSC_PART_CONFIG register and specify the custom
621 partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
622 option.
623
624config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION
625 int "Number of the eMMC boot partition to use"
626 depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG
627 default 1
628 help
629 eMMC boot partition number to use when the eMMC in raw mode and
630 the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL
631 by user defined partition number.
632
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100633config SPL_FIT_IMAGE_TINY
634 bool "Remove functionality from SPL FIT loading to reduce size"
635 depends on SPL_FIT
Samuel Holland76183892023-10-31 00:17:41 -0500636 default y if ARCH_IMX8M || ARCH_IMX9 || ARCH_SUNXI
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100637 help
638 Enable this to reduce the size of the FIT image loading code
639 in SPL, if space for the SPL binary is very tight.
640
Samuel Hollande646f512020-10-21 21:12:13 -0500641 This skips the recording of each loaded payload
Philipp Tomsich4faa0112017-11-24 13:26:03 +0100642 (i.e. loadable) into the FDT (modifying the loaded FDT to
643 ensure this information is available to the next image
644 invoked).
645
Simon Glassde3fd532021-08-08 12:20:15 -0600646config SPL_CACHE
Rick Chen8b4ee5f2019-11-14 13:52:26 +0800647 bool "Support CACHE drivers"
648 help
649 Enable CACHE drivers in SPL. These drivers can keep data so that
650 future requests for that data can be served faster. Enable this option
651 to build the drivers in drivers/cache as part of an SPL build.
652
Simon Glass2f002162021-03-15 18:11:18 +1300653config SPL_CPU
Simon Glasseca677f2017-01-16 07:03:29 -0700654 bool "Support CPU drivers"
Simon Glasseca677f2017-01-16 07:03:29 -0700655 help
656 Enable this to support CPU drivers in SPL. These drivers can set
657 up CPUs and provide information about them such as the model and
658 name. This can be useful in SPL since setting up the CPUs earlier
659 may improve boot performance. Enable this option to build the
660 drivers in drivers/cpu as part of an SPL build.
661
Simon Glassa8437ce2021-07-10 21:14:25 -0600662config SPL_CRYPTO
Simon Glass1e3911a2016-09-13 07:05:23 -0600663 bool "Support crypto drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600664 help
665 Enable crypto drivers in SPL. These drivers can be used to
666 accelerate secure boot processing in secure applications. Enable
667 this option to build the drivers in drivers/crypto as part of an
668 SPL build.
669
Vignesh Raghavendra3d2ba9c2019-11-15 17:00:41 +0530670config SPL_DMA
Simon Glass1e3911a2016-09-13 07:05:23 -0600671 bool "Support DMA drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600672 help
673 Enable DMA (direct-memory-access) drivers in SPL. These drivers
674 can be used to handle memory-to-peripheral data transfer without
675 the CPU moving the data. Enable this option to build the drivers
676 in drivers/dma as part of an SPL build.
677
Simon Glass284cb9c2021-07-10 21:14:31 -0600678config SPL_DRIVERS_MISC
Simon Glass1e3911a2016-09-13 07:05:23 -0600679 bool "Support misc drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600680 help
681 Enable miscellaneous drivers in SPL. These drivers perform various
682 tasks that don't fall nicely into other categories, Enable this
683 option to build the drivers in drivers/misc as part of an SPL
684 build, for those that support building in SPL (not all drivers do).
685
686config SPL_ENV_SUPPORT
687 bool "Support an environment"
Simon Glass1e3911a2016-09-13 07:05:23 -0600688 help
689 Enable environment support in SPL. The U-Boot environment provides
690 a number of settings (essentially name/value pairs) which can
691 control many aspects of U-Boot's operation. Normally this is not
692 needed in SPL as it has a much simpler task with less
693 configuration. But some boards use this to support 'Falcon' boot
694 on EXT2 and FAT, where SPL boots directly into Linux without
Simon Glass64b723f2017-08-03 12:22:12 -0600695 starting U-Boot first. Enabling this option will make env_get()
Simon Glass6a38e412017-08-03 12:22:09 -0600696 and env_set() available in SPL.
Simon Glass1e3911a2016-09-13 07:05:23 -0600697
B, Ravie94b0242016-09-28 14:46:18 +0530698config SPL_SAVEENV
699 bool "Support save environment"
Tom Rini3c82f982017-05-22 19:21:57 +0000700 depends on SPL_ENV_SUPPORT
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100701 select SPL_MMC_WRITE if ENV_IS_IN_MMC
B, Ravie94b0242016-09-28 14:46:18 +0530702 help
703 Enable save environment support in SPL after setenv. By default
704 the saveenv option is not provided in SPL, but some boards need
705 this support in 'Falcon' boot, where SPL need to boot from
706 different images based on environment variable set by OS. For
707 example OS may set "reboot_image" environment variable to
708 "recovery" inorder to boot recovery image by SPL. The SPL read
709 "reboot_image" and act accordingly and change the reboot_image
Shyam Sainiefe757c2018-06-07 19:47:19 +0530710 to default mode using setenv and save the environment.
B, Ravie94b0242016-09-28 14:46:18 +0530711
Simon Glasse5cd9a42021-07-10 21:14:26 -0600712config SPL_ETH
Simon Glass1e3911a2016-09-13 07:05:23 -0600713 bool "Support Ethernet"
714 depends on SPL_ENV_SUPPORT
Simon Glass1d926242021-08-08 12:20:31 -0600715 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -0600716 help
717 Enable access to the network subsystem and associated Ethernet
718 drivers in SPL. This permits SPL to load U-Boot over an Ethernet
719 link rather than from an on-board peripheral. Environment support
720 is required since the network stack uses a number of environment
Simon Glass041a0ac2021-08-08 12:20:30 -0600721 variables. See also SPL_NET.
Simon Glass1e3911a2016-09-13 07:05:23 -0600722
Tien Fong Chee6091dd12019-01-23 14:20:05 +0800723config SPL_FS_EXT4
Simon Glass1e3911a2016-09-13 07:05:23 -0600724 bool "Support EXT filesystems"
Sean Anderson01349c12023-10-14 16:47:49 -0400725 select SPL_CRC16 if EXT4_WRITE
Simon Glass1e3911a2016-09-13 07:05:23 -0600726 help
727 Enable support for EXT2/3/4 filesystems with SPL. This permits
728 U-Boot (or Linux in Falcon mode) to be loaded from an EXT
729 filesystem from within SPL. Support for the underlying block
730 device (e.g. MMC or USB) must be enabled separately.
731
Joao Marcos Costa29da3742020-07-30 15:33:47 +0200732config SPL_FS_SQUASHFS
733 bool "Support SquashFS filesystems"
734 select FS_SQUASHFS
735 help
736 Enable support for SquashFS filesystems with SPL. This permits
737 U-Boot (or Linux in Falcon mode) to be loaded from a SquashFS
738 filesystem from within SPL. Support for the underlying block
739 device (e.g. MMC or USB) must be enabled separately.
740
Tien Fong Chee6fd0a712019-01-23 14:20:03 +0800741config SPL_FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600742 bool "Support FAT filesystems"
Sekhar Nori1909a7b2017-06-02 17:53:59 +0530743 select FS_FAT
Simon Glass1e3911a2016-09-13 07:05:23 -0600744 help
745 Enable support for FAT and VFAT filesystems with SPL. This
746 permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT
747 filesystem from within SPL. Support for the underlying block
748 device (e.g. MMC or USB) must be enabled separately.
749
Sean Anderson90251882023-11-08 11:48:58 -0500750config SPL_FS_FAT_DMA_ALIGN
751 bool "Use DMA-aligned buffers with FAT"
752 depends on SPL_FS_FAT
753 select SPL_LOAD_BLOCK
754 default y if SPL_LOAD_FIT
755 help
756 The FAT filesystem driver tries to ensure that the reads it issues to
757 the block subsystem use DMA-aligned buffers. If the supplied buffer is
758 not DMA-aligned, the FAT driver will use a bounce-buffer and read
759 block-by-block. This is separate from the bounce-buffer used by the
760 block subsystem (CONFIG_BOUNCE_BUFFER).
761
762 Enable this config to align buffers passed to the FAT filesystem
763 driver. This will speed up reads, but will increase the size of U-Boot
764 by around 60 bytes.
765
Tom Rinia4f2ab92022-05-13 17:12:35 -0400766config SPL_FS_LOAD_PAYLOAD_NAME
767 string "File to load for U-Boot from the filesystem"
Kautuk Consula3a5d682022-12-07 17:12:36 +0530768 depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS || SPL_SEMIHOSTING
Tom Rinia4f2ab92022-05-13 17:12:35 -0400769 default "tispl.bin" if SYS_K3_SPL_ATF
770 default "u-boot.itb" if SPL_LOAD_FIT
Randolphd45d8002024-12-13 14:51:16 +0800771 default "linux.itb" if SPL_LOAD_FIT_OPENSBI_OS_BOOT
Tom Rinia4f2ab92022-05-13 17:12:35 -0400772 default "u-boot.img"
773 help
774 Filename to read to load U-Boot when reading from filesystem.
775
776config SPL_FS_LOAD_KERNEL_NAME
777 string "File to load for the OS kernel from the filesystem"
778 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
779 default "uImage"
780 help
781 Filename to read to load for the OS kernel when reading from the
782 filesystem.
783
784config SPL_FS_LOAD_ARGS_NAME
785 string "File to load for the OS kernel argument parameters from the filesystem"
786 depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT
787 default "args"
788 help
789 Filename to read to load for the OS kernel argument parameters from
790 the filesystem.
791
Tien Fong Chee87fda0c2019-01-23 14:20:04 +0800792config SPL_FAT_WRITE
793 bool "Support write for FAT filesystems"
794 help
795 Enable write support for FAT and VFAT filesystems with SPL.
796 Support for the underlying block device (e.g. MMC or USB) must be
797 enabled separately.
798
Michal Simek1aab1142020-09-09 14:41:56 +0200799config SPL_FPGA
Simon Glass1e3911a2016-09-13 07:05:23 -0600800 bool "Support FPGAs"
Simon Glass1e3911a2016-09-13 07:05:23 -0600801 help
802 Enable support for FPGAs in SPL. Field-programmable Gate Arrays
803 provide software-configurable hardware which is typically used to
804 implement peripherals (such as UARTs, LCD displays, MMC) or
805 accelerate custom processing functions, such as image processing
806 or machine learning. Sometimes it is useful to program the FPGA
807 as early as possible during boot, and this option can enable that
808 within SPL.
809
Simon Glass035939e2021-07-10 21:14:30 -0600810config SPL_GPIO
Simon Glass592d5b92018-11-15 18:43:55 -0700811 bool "Support GPIO in SPL"
Simon Glass1e3911a2016-09-13 07:05:23 -0600812 help
813 Enable support for GPIOs (General-purpose Input/Output) in SPL.
814 GPIOs allow U-Boot to read the state of an input line (high or
815 low) and set the state of an output line. This can be used to
816 drive LEDs, control power to various system parts and read user
817 input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED,
818 for example. Enable this option to build the drivers in
819 drivers/gpio as part of an SPL build.
820
Simon Glassbccfc2e2021-07-10 21:14:36 -0600821config SPL_I2C
Simon Glass1e3911a2016-09-13 07:05:23 -0600822 bool "Support I2C"
Simon Glass1e3911a2016-09-13 07:05:23 -0600823 help
824 Enable support for the I2C (Inter-Integrated Circuit) bus in SPL.
825 I2C works with a clock and data line which can be driven by a
826 one or more masters or slaves. It is a fairly complex bus but is
827 widely used as it only needs two lines for communication. Speeds of
828 400kbps are typical but up to 3.4Mbps is supported by some
829 hardware. I2C can be useful in SPL to configure power management
830 ICs (PMICs) before raising the CPU clock speed, for example.
831 Enable this option to build the drivers in drivers/i2c as part of
832 an SPL build.
833
834config SPL_LIBCOMMON_SUPPORT
835 bool "Support common libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600836 help
837 Enable support for common U-Boot libraries within SPL. These
838 libraries include common code to deal with U-Boot images,
839 environment and USB, for example. This option is enabled on many
840 boards. Enable this option to build the code in common/ as part of
841 an SPL build.
842
843config SPL_LIBDISK_SUPPORT
Simon Goldschmidt62067052018-08-16 09:44:55 +0200844 bool "Support disk partitions"
Tom Rini1794ae62018-12-05 08:23:38 -0500845 select PARTITIONS
Simon Glass1e3911a2016-09-13 07:05:23 -0600846 help
847 Enable support for disk partitions within SPL. 'Disk' is something
848 of a misnomer as it includes non-spinning media such as flash (as
849 used in MMC and USB sticks). Partitions provide a way for a disk
850 to be split up into separate regions, with a partition table placed
851 at the start or end which describes the location and size of each
852 'partition'. These partitions are typically uses as individual block
853 devices, typically with an EXT2 or FAT filesystem in each. This
854 option enables whatever partition support has been enabled in
855 U-Boot to also be used in SPL. It brings in the code in disk/.
856
857config SPL_LIBGENERIC_SUPPORT
858 bool "Support generic libraries"
Simon Glass1e3911a2016-09-13 07:05:23 -0600859 help
860 Enable support for generic U-Boot libraries within SPL. These
861 libraries include generic code to deal with device tree, hashing,
862 printf(), compression and the like. This option is enabled on many
863 boards. Enable this option to build the code in lib/ as part of an
864 SPL build.
865
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530866config SPL_DM_MAILBOX
867 bool "Support Mailbox"
Tom Rini78896ae2022-05-31 10:24:55 -0400868 depends on SPL_DM
Lokesh Vutla2aeb9342018-08-27 15:57:49 +0530869 help
870 Enable support for Mailbox within SPL. This enable the inter
871 processor communication protocols tobe used within SPL. Enable
872 this option to build the drivers in drivers/mailbox as part of
873 SPL build.
874
Roger Quadrosb576fbf2022-10-20 16:30:47 +0300875config SPL_MEMORY
876 bool "Support Memory controller drivers"
877 help
878 Enable support for Memory Controller drivers within SPL.
879 These devices provide Memory bus interface to various devices like
880 SRAM, Ethernet adapters, FPGAs, etc.
881
Simon Glassb58bfe02021-08-08 12:20:09 -0600882config SPL_MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600883 bool "Support MMC"
Tom Rini3c82f982017-05-22 19:21:57 +0000884 depends on MMC
Simon Glass1e3911a2016-09-13 07:05:23 -0600885 help
886 Enable support for MMC (Multimedia Card) within SPL. This enables
887 the MMC protocol implementation and allows any enabled drivers to
888 be used within SPL. MMC can be used with or without disk partition
889 support depending on the application (SPL_LIBDISK_SUPPORT). Enable
890 this option to build the drivers in drivers/mmc as part of an SPL
891 build.
892
Pali Rohára0811552023-01-21 15:13:08 +0100893config SYS_MMCSD_FS_BOOT
894 bool "MMC FS Boot mode"
895 depends on SPL_MMC
896 default y if !ARCH_MVEBU
897 help
898 Enable MMC FS Boot mode. Partition is selected by option
899 SYS_MMCSD_FS_BOOT_PARTITION.
900
Adam Ford98a87cf2020-07-03 10:17:30 -0500901config SYS_MMCSD_FS_BOOT_PARTITION
902 int "MMC Boot Partition"
Pali Rohára0811552023-01-21 15:13:08 +0100903 depends on SYS_MMCSD_FS_BOOT
Adam Ford98a87cf2020-07-03 10:17:30 -0500904 default 1
905 help
906 Partition on the MMC to load U-Boot from when the MMC is being
Jérôme Carreterod0a8e592022-03-15 16:34:51 -0400907 used in fs mode.
908 Use -1 as a special value to use the first bootable partition.
Adam Ford98a87cf2020-07-03 10:17:30 -0500909
Ezequiel Garcia66983182019-05-25 19:25:21 -0300910config SPL_MMC_TINY
911 bool "Tiny MMC framework in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600912 depends on SPL_MMC
Ezequiel Garcia66983182019-05-25 19:25:21 -0300913 help
914 Enable MMC framework tinification support. This option is useful if
915 if your SPL is extremely size constrained. Heed the warning, enable
916 this option if and only if you know exactly what you are doing, if
917 you are reading this help text, you most likely have no idea :-)
918
919 The MMC framework is reduced to bare minimum to be useful. No malloc
920 support is needed for the MMC framework operation with this option
921 enabled. The framework supports exactly one MMC device and exactly
922 one MMC driver. The MMC driver can be adjusted to avoid any malloc
923 operations too, which can remove the need for malloc support in SPL
924 and thus further reduce footprint.
925
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100926config SPL_MMC_WRITE
927 bool "MMC/SD/SDIO card support for write operations in SPL"
Simon Glassb58bfe02021-08-08 12:20:09 -0600928 depends on SPL_MMC
Jean-Jacques Hiblotd0531672018-01-04 15:23:32 +0100929 help
930 Enable write access to MMC and SD Cards in SPL
931
932
Simon Glass64571062021-08-08 12:20:16 -0600933config SPL_MPC8XXX_INIT_DDR
Simon Glass1e3911a2016-09-13 07:05:23 -0600934 bool "Support MPC8XXX DDR init"
Simon Glass1e3911a2016-09-13 07:05:23 -0600935 help
936 Enable support for DDR-SDRAM (double-data-rate synchronous dynamic
937 random-access memory) on the MPC8XXX family within SPL. This
938 allows DRAM to be set up before loading U-Boot into that DRAM,
939 where it can run.
940
Sean Anderson34ec1662023-11-04 16:37:47 -0400941config SPL_MTD
Simon Glass1e3911a2016-09-13 07:05:23 -0600942 bool "Support MTD drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -0600943 help
944 Enable support for MTD (Memory Technology Device) within SPL. MTD
945 provides a block interface over raw NAND and can also be used with
946 SPI flash. This allows SPL to load U-Boot from supported MTD
947 devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how
948 to enable specific MTD drivers.
949
Simon Glass762b9972021-07-10 21:14:27 -0600950config SPL_MUSB_NEW
Simon Glass1e3911a2016-09-13 07:05:23 -0600951 bool "Support new Mentor Graphics USB"
Simon Glass1e3911a2016-09-13 07:05:23 -0600952 help
953 Enable support for Mentor Graphics USB in SPL. This is a new
954 driver used by some boards. Enable this option to build
955 the drivers in drivers/usb/musb-new as part of an SPL build. The
956 old drivers are in drivers/usb/musb.
957
958config SPL_NAND_SUPPORT
959 bool "Support NAND flash"
Sean Anderson35f15fe2023-11-08 11:48:43 -0500960 select SPL_LOAD_BLOCK
Simon Glass1e3911a2016-09-13 07:05:23 -0600961 help
962 Enable support for NAND (Negative AND) flash in SPL. NAND flash
963 can be used to allow SPL to load U-Boot from supported devices.
Miquel Raynal1f1ae152018-08-16 17:30:07 +0200964 This enables the drivers in drivers/mtd/nand/raw as part of an SPL
Simon Glass1e3911a2016-09-13 07:05:23 -0600965 build.
966
Tom Rini2d03b912022-05-13 12:46:23 -0400967config SPL_NAND_RAW_ONLY
968 bool "Support to boot only raw u-boot.bin images"
969 depends on SPL_NAND_SUPPORT
970 help
971 Use this only if you need to save space.
972
Adam Ford3a383772020-07-03 08:09:44 -0500973config SPL_NAND_DRIVERS
974 bool "Use standard NAND driver"
975 help
976 SPL uses normal NAND drivers, not minimal drivers.
977
978config SPL_NAND_ECC
Tom Rini2d03b912022-05-13 12:46:23 -0400979 bool "Include standard ECC in SPL"
980
981config SPL_NAND_SOFTECC
982 bool "Use software ECC in SPL"
983 depends on SPL_NAND_ECC
Adam Ford3a383772020-07-03 08:09:44 -0500984
985config SPL_NAND_SIMPLE
986 bool "Support simple NAND drivers in SPL"
987 help
988 Support for NAND boot using simple NAND drivers that
989 expose the cmd_ctrl() interface.
990
Adam Ford5e56ad02020-07-03 08:09:45 -0500991config SPL_NAND_BASE
developer81670fe2022-05-20 11:23:53 +0800992 depends on SPL_NAND_SUPPORT
Adam Ford5e56ad02020-07-03 08:09:45 -0500993 bool "Use Base NAND Driver"
Michal Simek0606f9e2021-05-20 13:08:44 +0200994 help
995 Include nand_base.c in the SPL.
Adam Ford5e56ad02020-07-03 08:09:45 -0500996
997config SPL_NAND_IDENT
998 depends on SPL_NAND_BASE
999 bool "Use chip ID to identify NAND flash"
1000 help
1001 SPL uses the chip ID list to identify the NAND flash.
1002
Simon Glass28243f02025-01-15 18:27:19 -07001003config SPL_RELOC_LOADER
1004 bool "Allow relocating the next phase"
1005 help
1006 In some cases multiple U-Boot phases need to run in SRAM, typically
1007 at the same address. Enable this to support loading the next phase
1008 to temporary memory, then copying it into place afterwards, then
1009 jumping to it.
1010
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001011config SPL_UBI
1012 bool "Support UBI"
1013 help
1014 Enable support for loading payloads from UBI. See
1015 README.ubispl for more info.
1016
Tom Rini78896ae2022-05-31 10:24:55 -04001017menu "UBI configuration for SPL"
1018 depends on SPL_UBI
Lukasz Majewski76f442982020-06-04 23:11:53 +08001019
Hamish Guthrie3ce740d2019-05-15 15:15:59 +02001020config SPL_UBI_LOAD_BY_VOLNAME
1021 bool "Support loading volumes by name"
1022 help
1023 This enables support for loading UBI volumes by name. When this
1024 is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to
1025 configure the volume name from which to load U-Boot.
1026
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001027config SPL_UBI_MAX_VOL_LEBS
1028 int "Maximum number of LEBs per volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001029 help
1030 The maximum number of logical eraseblocks which a static volume
1031 to load can contain. Used for sizing the scan data structure.
1032
1033config SPL_UBI_MAX_PEB_SIZE
1034 int "Maximum PEB size"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001035 help
1036 The maximum physical erase block size.
1037
1038config SPL_UBI_MAX_PEBS
1039 int "Maximum number of PEBs"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001040 help
1041 The maximum physical erase block size. If not overridden by
1042 board code, this value will be used as the actual number of PEBs.
1043
1044config SPL_UBI_PEB_OFFSET
1045 int "Offset to first UBI PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001046 help
1047 The offset in number of PEBs from the start of flash to the first
1048 PEB part of the UBI image.
1049
1050config SPL_UBI_VID_OFFSET
1051 int "Offset to VID header"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001052
1053config SPL_UBI_LEB_START
1054 int "Offset to LEB in PEB"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001055 help
1056 The offset in bytes to the LEB within a PEB.
1057
1058config SPL_UBI_INFO_ADDR
1059 hex "Address to place UBI scan info"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001060 help
1061 Address for ubispl to place the scan info. Read README.ubispl to
1062 determine the required size
1063
1064config SPL_UBI_VOL_IDS
1065 int "Maximum volume id"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001066 help
1067 The maximum volume id which can be loaded. Used for sizing the
1068 scan data structure.
1069
1070config SPL_UBI_LOAD_MONITOR_ID
1071 int "id of U-Boot volume"
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001072 help
1073 The UBI volume id from which to load U-Boot
1074
Hamish Guthrie3ce740d2019-05-15 15:15:59 +02001075config SPL_UBI_LOAD_MONITOR_VOLNAME
1076 string "volume name of U-Boot volume"
1077 depends on SPL_UBI_LOAD_BY_VOLNAME
1078 help
1079 The UBI volume name from which to load U-Boot
1080
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001081config SPL_UBI_LOAD_KERNEL_ID
1082 int "id of kernel volume"
Tom Rini78896ae2022-05-31 10:24:55 -04001083 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001084 help
1085 The UBI volume id from which to load the kernel
1086
1087config SPL_UBI_LOAD_ARGS_ID
1088 int "id of kernel args volume"
Tom Rini78896ae2022-05-31 10:24:55 -04001089 depends on SPL_OS_BOOT
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001090 help
1091 The UBI volume id from which to load the device tree
1092
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001093config UBI_SPL_SILENCE_MSG
1094 bool "silence UBI SPL messages"
Markus Klotzbuechercfe40f42019-05-15 15:16:00 +02001095 help
1096 Disable messages from UBI SPL. This leaves warnings
1097 and errors enabled.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001098
Tom Rini78896ae2022-05-31 10:24:55 -04001099endmenu
1100
1101config SPL_DM_SPI
1102 bool "Support SPI DM drivers in SPL"
1103 depends on SPL_DM
1104 help
1105 Enable support for SPI DM drivers in SPL.
1106
1107config SPL_DM_SPI_FLASH
1108 bool "Support SPI DM FLASH drivers in SPL"
1109 depends on SPL_DM
1110 help
1111 Enable support for SPI DM flash drivers in SPL.
Markus Klotzbuecherf5aa1762019-05-15 15:15:57 +02001112
Simon Glass041a0ac2021-08-08 12:20:30 -06001113config SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001114 bool "Support networking"
Jerome Forissiere0f95512024-10-16 12:03:59 +02001115 depends on !NET_LWIP
Simon Glass1e3911a2016-09-13 07:05:23 -06001116 help
1117 Enable support for network devices (such as Ethernet) in SPL.
1118 This permits SPL to load U-Boot over a network link rather than
1119 from an on-board peripheral. Environment support is required since
1120 the network stack uses a number of environment variables. See also
Simon Glasse5cd9a42021-07-10 21:14:26 -06001121 SPL_ETH.
Simon Glass1e3911a2016-09-13 07:05:23 -06001122
Simon Glass1e3911a2016-09-13 07:05:23 -06001123config SPL_NET_VCI_STRING
1124 string "BOOTP Vendor Class Identifier string sent by SPL"
Tom Rini78896ae2022-05-31 10:24:55 -04001125 depends on SPL_NET
Simon Glass1e3911a2016-09-13 07:05:23 -06001126 help
1127 As defined by RFC 2132 the vendor class identifier field can be
1128 sent by the client to identify the vendor type and configuration
1129 of a client. This is often used in practice to allow for the DHCP
1130 server to specify different files to load depending on if the ROM,
1131 SPL or U-Boot itself makes the request
Simon Glass1e3911a2016-09-13 07:05:23 -06001132
1133config SPL_NO_CPU_SUPPORT
Tom Rini78896ae2022-05-31 10:24:55 -04001134 def_bool y
1135 depends on (ARCH_MX23 || ARCH_MX28) && !SPL_FRAMEWORK
Simon Glass1e3911a2016-09-13 07:05:23 -06001136 help
1137 This is specific to the ARM926EJ-S CPU. It disables the standard
1138 start.S start-up code, presumably so that a replacement can be
1139 used on that CPU. You should not enable it unless you know what
1140 you are doing.
1141
1142config SPL_NOR_SUPPORT
1143 bool "Support NOR flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001144 help
1145 Enable support for loading U-Boot from memory-mapped NOR (Negative
1146 OR) flash in SPL. NOR flash is slow to write but fast to read, and
1147 a memory-mapped device makes it very easy to access. Loading from
1148 NOR is typically achieved with just a memcpy().
1149
Vikas Manocha9e582652017-05-28 12:55:11 -07001150config SPL_XIP_SUPPORT
1151 bool "Support XIP"
Vikas Manocha9e582652017-05-28 12:55:11 -07001152 help
1153 Enable support for execute in place of U-Boot or kernel image. There
1154 is no need to copy image from flash to ram if flash supports execute
1155 in place. Its very useful in systems having enough flash but not
1156 enough ram to load the image.
1157
Simon Glass1e3911a2016-09-13 07:05:23 -06001158config SPL_ONENAND_SUPPORT
1159 bool "Support OneNAND flash"
Simon Glass1e3911a2016-09-13 07:05:23 -06001160 help
1161 Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is
1162 a type of NAND flash and therefore can be used to allow SPL to
1163 load U-Boot from supported devices. This enables the drivers in
1164 drivers/mtd/onenand as part of an SPL build.
1165
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001166config SPL_OS_BOOT
1167 bool "Activate Falcon Mode"
Tom Rini3c82f982017-05-22 19:21:57 +00001168 depends on !TI_SECURE_DEVICE
Heiko Schocher1d12ba22016-10-06 07:55:15 +02001169 help
1170 Enable booting directly to an OS from SPL.
1171 for more info read doc/README.falcon
1172
Simon Glass259cdb42023-09-26 08:14:17 -06001173config SPL_PAYLOAD_ARGS_ADDR
Tom Rini2c9d2b52022-05-27 22:06:52 -04001174 hex "Address in memory to load 'args' file for Falcon Mode to"
Randolphb1933972023-12-29 16:32:22 +08001175 depends on SPL_OS_BOOT || SPL_LOAD_FIT_OPENSBI_OS_BOOT
Tom Rini2c9d2b52022-05-27 22:06:52 -04001176 default 0x88000000 if ARCH_OMAP2PLUS
Oliver Gaskelld4f7cb52024-09-12 16:50:54 +01001177 default 0x99000000 if ARCH_SC5XX && SC59X_64
Oliver Gaskell14032b32024-09-12 16:50:56 +01001178 default 0xA0000000 if ARCH_SC5XX && TARGET_SC594_SOM_EZKIT
Oliver Gaskellbc139712024-09-12 16:50:57 +01001179 default 0x80000000 if ARCH_SC5XX && TARGET_SC594_SOM_EZLITE
Tom Rini2c9d2b52022-05-27 22:06:52 -04001180 help
1181 Address in memory where the 'args' file, typically a device tree
1182 will be loaded in to memory.
1183
Tom Rini9568a0e2022-05-28 16:43:53 -04001184config SYS_NAND_SPL_KERNEL_OFFS
1185 hex "Address in memory to load the OS file for Falcon mode to"
1186 depends on SPL_OS_BOOT && SPL_NAND_SUPPORT
1187
Heiko Schocher65928932016-10-06 07:55:16 +02001188config SYS_OS_BASE
1189 hex "addr, where OS is found"
Tom Rini78896ae2022-05-31 10:24:55 -04001190 depends on SPL_OS_BOOT && SPL_NOR_SUPPORT
Heiko Schocher65928932016-10-06 07:55:16 +02001191 help
1192 Specify the address, where the OS image is found, which
1193 gets booted.
1194
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001195config SPL_FALCON_BOOT_MMCSD
1196 bool "Enable Falcon boot from MMC or SD media"
1197 depends on SPL_OS_BOOT && SPL_MMC
Sean Anderson35f15fe2023-11-08 11:48:43 -05001198 select SPL_LOAD_BLOCK
Sean Anderson29e338f2023-11-08 11:48:50 -05001199 select SPL_SYS_MMCSD_RAW_MODE
Alexandru Gagniuc99426c82021-12-30 10:39:59 -06001200 help
1201 Select this if the Falcon mode OS image mode is on MMC or SD media.
1202
1203config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR
1204 hex "Falcon mode: Sector to load kernel uImage from MMC"
1205 depends on SPL_FALCON_BOOT_MMCSD
1206 help
1207 When Falcon mode is used with an MMC or SD media, SPL needs to know
1208 where to look for the kernel uImage. The image is expected to begin
1209 at the raw MMC specified in this config.
1210 Note that the Falcon mode image can also be a FIT, if FIT support is
1211 enabled.
1212
Tom Rinif95c2592022-05-28 17:21:03 -04001213config SYS_MMCSD_RAW_MODE_ARGS_SECTOR
1214 hex "Falcon mode: Sector to load 'args' from MMC"
1215 depends on SPL_FALCON_BOOT_MMCSD
1216 help
1217 When Falcon mode is used with an MMC or SD media, SPL needs to know
1218 where to look for the OS 'args', typically a device tree. The
1219 contents are expected to begin at the raw MMC specified in this config.
1220 Note that if using a FIT image, this and the next option can be set to
1221 0x0.
1222
1223config SYS_MMCSD_RAW_MODE_ARGS_SECTORS
1224 hex "Falcon mode: Number of sectors to load for 'args' from MMC"
1225 depends on SPL_FALCON_BOOT_MMCSD && SYS_MMCSD_RAW_MODE_ARGS_SECTOR != 0x0
1226
York Sun53492672018-06-14 14:38:48 -07001227config SPL_PAYLOAD
1228 string "SPL payload"
1229 default "tpl/u-boot-with-tpl.bin" if TPL
1230 default "u-boot.bin"
1231 help
Chris Packham37bc3162019-01-13 22:13:20 +13001232 Payload for SPL boot. For backward compatibility, default to
York Sun53492672018-06-14 14:38:48 -07001233 u-boot.bin, i.e. RAW image without any header. In case of
1234 TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to
1235 use u-boot.img.
1236
Sekhar Nori9108d922018-12-06 15:40:08 +05301237config SPL_PCI
Simon Glass6569f3a2017-01-16 07:03:30 -07001238 bool "Support PCI drivers"
Simon Glass6569f3a2017-01-16 07:03:30 -07001239 help
1240 Enable support for PCI in SPL. For platforms that need PCI to boot,
1241 or must perform some init using PCI in SPL, this provides the
1242 necessary driver support. This enables the drivers in drivers/pci
1243 as part of an SPL build.
1244
Simon Glassff67f232021-08-08 12:20:10 -06001245config SPL_PCH
Simon Glass36258a52017-01-16 07:03:33 -07001246 bool "Support PCH drivers"
Simon Glass36258a52017-01-16 07:03:33 -07001247 help
1248 Enable support for PCH (Platform Controller Hub) devices in SPL.
1249 These are used to set up GPIOs and the SPI peripheral early in
1250 boot. This enables the drivers in drivers/pch as part of an SPL
1251 build.
1252
Simon Glass1e3911a2016-09-13 07:05:23 -06001253config SPL_POST_MEM_SUPPORT
1254 bool "Support POST drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001255 help
1256 Enable support for POST (Power-on Self Test) in SPL. POST is a
1257 procedure that checks that the hardware (CPU or board) appears to
1258 be functionally correctly. It is a sanity check that can be
1259 performed before booting. This enables the drivers in post/drivers
1260 as part of an SPL build.
1261
Ley Foon Tan9caf7122018-06-14 18:45:19 +08001262config SPL_DM_RESET
Patrick Delaunay329827a2018-03-12 10:46:05 +01001263 bool "Support reset drivers"
Tom Rini78896ae2022-05-31 10:24:55 -04001264 depends on SPL_DM
Patrick Delaunay329827a2018-03-12 10:46:05 +01001265 help
1266 Enable support for reset control in SPL.
1267 That can be useful in SPL to handle IP reset in driver, as in U-Boot,
1268 by using the generic reset API provided by driver model.
1269 This enables the drivers in drivers/reset as part of an SPL build.
1270
Simon Glasse91ac4c2021-07-10 21:14:24 -06001271config SPL_POWER
Simon Glass1e3911a2016-09-13 07:05:23 -06001272 bool "Support power drivers"
Simon Glass1e3911a2016-09-13 07:05:23 -06001273 help
1274 Enable support for power control in SPL. This includes support
1275 for PMICs (Power-management Integrated Circuits) and some of the
1276 features provided by PMICs. In particular, voltage regulators can
1277 be used to enable/disable power and vary its voltage. That can be
1278 useful in SPL to turn on boot peripherals and adjust CPU voltage
1279 so that the clock speed can be increased. This enables the drivers
1280 in drivers/power, drivers/power/pmic and drivers/power/regulator
1281 as part of an SPL build.
1282
Peng Fan3775fed2018-07-27 10:20:37 +08001283config SPL_POWER_DOMAIN
1284 bool "Support power domain drivers"
Simon Glassa0e44872021-08-08 12:20:29 -06001285 select SPL_POWER
Peng Fan3775fed2018-07-27 10:20:37 +08001286 help
1287 Enable support for power domain control in SPL. Many SoCs allow
1288 power to be applied to or removed from portions of the SoC (power
1289 domains). This may be used to save power. This API provides the
1290 means to control such power management hardware. This enables
1291 the drivers in drivers/power/domain as part of a SPL build.
1292
Stefan Agnercd01e642016-12-23 07:51:53 +01001293config SPL_RAM_SUPPORT
Jerome Forissiera2a34902024-09-10 15:00:18 +02001294 bool
Stefan Agnercd01e642016-12-23 07:51:53 +01001295
Stefan Agnere2eaac12016-12-23 07:51:52 +01001296config SPL_RAM_DEVICE
1297 bool "Support booting from preloaded image in RAM"
Jerome Forissiera2a34902024-09-10 15:00:18 +02001298 select SPL_RAM_SUPPORT
Trevor Woerner513f6402020-05-06 08:02:41 -04001299 default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ
Stefan Agnere2eaac12016-12-23 07:51:52 +01001300 help
1301 Enable booting of an image already loaded in RAM. The image has to
1302 be already in memory when SPL takes over, e.g. loaded by the boot
1303 ROM.
1304
Lokesh Vutla1a6f8e02018-08-27 15:57:53 +05301305config SPL_REMOTEPROC
1306 bool "Support REMOTEPROCS"
Judith Mendezf2549cc2025-02-10 14:29:41 -06001307 default y if (CPU_V7R && ARCH_K3)
Lokesh Vutla1a6f8e02018-08-27 15:57:53 +05301308 help
1309 Enable support for REMOTEPROCs in SPL. This permits to load
1310 a remote processor firmware in SPL.
1311
Simon Glass31985312021-08-08 12:20:11 -06001312config SPL_RTC
Simon Glassb69691b2017-01-16 07:03:31 -07001313 bool "Support RTC drivers"
Simon Glassb69691b2017-01-16 07:03:31 -07001314 help
1315 Enable RTC (Real-time Clock) support in SPL. This includes support
1316 for reading and setting the time. Some RTC devices also have some
1317 non-volatile (battery-backed) memory which is accessible if
1318 needed. This enables the drivers in drivers/rtc as part of an SPL
1319 build.
1320
Simon Glass081a45a2021-08-08 12:20:17 -06001321config SPL_SATA
Simon Glass1e3911a2016-09-13 07:05:23 -06001322 bool "Support loading from SATA"
Simon Glass1e3911a2016-09-13 07:05:23 -06001323 help
1324 Enable support for SATA (Serial AT attachment) in SPL. This allows
1325 use of SATA devices such as hard drives and flash drivers for
1326 loading U-Boot. SATA is used in higher-end embedded systems and
1327 can provide higher performance than MMC , at somewhat higher
1328 expense and power consumption. This enables loading from SATA
1329 using a configured device.
1330
Tom Rinia0a6f692022-11-16 13:10:35 -05001331config SYS_SATA_FAT_BOOT_PARTITION
1332 int "Partition on the SATA disk to load U-Boot from"
1333 depends on SPL_SATA && SPL_FS_FAT
1334 default 1
1335
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001336config SPL_SATA_RAW_U_BOOT_USE_SECTOR
1337 bool "SATA raw mode: by sector"
Simon Glass081a45a2021-08-08 12:20:17 -06001338 depends on SPL_SATA
Pali Rohárcf97b822021-07-23 11:14:29 +02001339 default y if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001340 help
1341 Use sector number for specifying U-Boot location on SATA disk in
1342 raw mode.
1343
1344config SPL_SATA_RAW_U_BOOT_SECTOR
1345 hex "Sector on the SATA disk to load U-Boot from"
1346 depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR
Pali Rohárcf97b822021-07-23 11:14:29 +02001347 default 0x1 if ARCH_MVEBU
Baruch Siachc9eff6a2019-07-14 17:54:21 +03001348 help
1349 Sector on the SATA disk to load U-Boot from, when the SATA disk is being
1350 used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes).
1351
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301352config SPL_NVME
1353 bool "NVM Express device support"
Tom Rinid15a79c2024-06-04 19:37:41 -06001354 depends on SPL_BLK
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301355 select FS_LOADER
Mayuresh Chitale5d96a912023-06-03 19:32:54 +05301356 select SPL_BLK_FS
Mayuresh Chitaleb365c942023-06-03 19:32:53 +05301357 help
1358 This option enables support for NVM Express devices.
1359 It supports basic functions of NVMe (read/write).
1360
1361config SPL_NVME_PCI
1362 bool "NVM Express PCI device support for SPL"
1363 depends on SPL_PCI && SPL_NVME
1364 help
1365 This option enables support for NVM Express PCI devices.
1366 This allows use of NVMe devices for loading u-boot.
1367
1368config SPL_NVME_BOOT_DEVICE
1369 hex "NVMe boot device number"
1370 depends on SPL_NVME
1371 default 0x0
1372
1373config SYS_NVME_BOOT_PARTITION
1374 hex "NVMe boot partition number"
1375 depends on SPL_NVME
1376 default 0x1
1377
Simon Glassf4d60392021-08-08 12:20:12 -06001378config SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001379 bool "Support serial"
Alex Kiernan5b404282018-04-19 04:32:54 +00001380 select SPL_PRINTF
1381 select SPL_STRTO
Simon Glass1e3911a2016-09-13 07:05:23 -06001382 help
1383 Enable support for serial in SPL. This allows use of a serial UART
1384 for displaying messages while SPL is running. It also brings in
1385 printf() and panic() functions. This should normally be enabled
1386 unless there are space reasons not to. Even then, consider
Simon Glass7611ac62019-09-25 08:56:27 -06001387 enabling SPL_USE_TINY_PRINTF which is a small printf() version.
Simon Glass1e3911a2016-09-13 07:05:23 -06001388
Simon Glassa5820472021-08-08 12:20:14 -06001389config SPL_SPI
Simon Goldschmidt3a025332019-10-25 16:22:09 +02001390 bool "Support SPI drivers"
1391 help
1392 Enable support for using SPI in SPL. This is used for connecting
1393 to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for
1394 more details on that. The SPI driver provides the transport for
1395 data between the SPI flash and the CPU. This option can be used to
1396 enable SPI drivers that are needed for other purposes also, such
1397 as a SPI PMIC.
1398
Simon Glass1e3911a2016-09-13 07:05:23 -06001399config SPL_SPI_FLASH_SUPPORT
1400 bool "Support SPI flash drivers"
Simon Glassa5820472021-08-08 12:20:14 -06001401 depends on SPL_SPI
Simon Glass1e3911a2016-09-13 07:05:23 -06001402 help
1403 Enable support for using SPI flash in SPL, and loading U-Boot from
1404 SPI flash. SPI flash (Serial Peripheral Bus flash) is named after
1405 the SPI bus that is used to connect it to a system. It is a simple
1406 but fast bidirectional 4-wire bus (clock, chip select and two data
1407 lines). This enables the drivers in drivers/mtd/spi as part of an
Simon Glassa5820472021-08-08 12:20:14 -06001408 SPL build. This normally requires SPL_SPI.
Simon Glass1e3911a2016-09-13 07:05:23 -06001409
Vignesh R4d848c92019-02-05 11:29:20 +05301410if SPL_SPI_FLASH_SUPPORT
1411
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301412config SPL_SPI_FLASH_TINY
1413 bool "Enable low footprint SPL SPI Flash support"
1414 depends on !SPI_FLASH_BAR
Vignesh Rf53872d2019-02-05 11:29:26 +05301415 default y if SPI_FLASH
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301416 help
1417 Enable lightweight SPL SPI Flash support that supports just reading
1418 data/images from flash. No support to write/erase flash. Enable
1419 this if you have SPL size limitations and don't need full
1420 fledged SPI flash support.
1421
Vignesh R4d848c92019-02-05 11:29:20 +05301422config SPL_SPI_FLASH_SFDP_SUPPORT
1423 bool "SFDP table parsing support for SPI NOR flashes"
Vignesh R3f5fb8b2019-02-05 11:29:25 +05301424 depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY
Vignesh R4d848c92019-02-05 11:29:20 +05301425 help
1426 Enable support for parsing and auto discovery of parameters for
1427 SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP)
1428 tables as per JESD216 standard in SPL.
1429
Lukasz Majewski76f442982020-06-04 23:11:53 +08001430config SPL_SPI_FLASH_MTD
1431 bool "Support for SPI flash MTD drivers in SPL"
1432 help
1433 Enable support for SPI flash MTD drivers in SPL.
1434
Marek Vasute2542252018-04-07 16:05:27 +02001435config SPL_SPI_LOAD
1436 bool "Support loading from SPI flash"
Marek Vasute2542252018-04-07 16:05:27 +02001437 help
1438 Enable support for loading next stage, U-Boot or otherwise, from
1439 SPI NOR in U-Boot SPL.
1440
Vignesh R4d848c92019-02-05 11:29:20 +05301441endif # SPL_SPI_FLASH_SUPPORT
1442
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001443config SYS_SPI_U_BOOT_OFFS
1444 hex "address of u-boot payload in SPI flash"
Andre Przywarae6d9fc02020-01-06 01:29:10 +00001445 default 0x8000 if ARCH_SUNXI
Hannes Schmelzer38df9972019-08-22 15:41:46 +02001446 default 0x0
1447 depends on SPL_SPI_LOAD || SPL_SPI_SUNXI
1448 help
1449 Address within SPI-Flash from where the u-boot payload is fetched
1450 from.
1451
Anshul Dalal4de50b52025-03-11 10:14:12 +05301452config SYS_SPI_KERNEL_OFFS
1453 hex "Falcon mode: address of kernel payload in SPI flash"
1454 depends on SPL_SPI_FLASH_SUPPORT && SPL_OS_BOOT
1455 help
1456 Address within SPI-Flash from where the kernel payload is fetched
1457 in falcon boot.
1458
1459config SYS_SPI_ARGS_OFFS
1460 hex "Falcon mode: address of args payload in SPI flash"
1461 depends on SPL_SPI_FLASH_SUPPORT && SPL_OS_BOOT
1462 help
1463 Address within SPI-Flash from where the args payload (usually the
1464 dtb) is fetched in falcon boot.
1465
1466config SYS_SPI_ARGS_SIZE
1467 hex "Falcon mode: size of args payload in SPI flash"
1468 depends on SPL_SPI_FLASH_SUPPORT && SPL_OS_BOOT
1469
Faiz Abbasae1627c2017-11-14 16:12:31 +05301470config SPL_THERMAL
1471 bool "Driver support for thermal devices"
1472 help
1473 Enable support for temperature-sensing devices. Some SoCs have on-chip
1474 temperature sensors to permit warnings, speed throttling or even
1475 automatic power-off when the temperature gets too high or low. Other
1476 devices may be discrete but connected on a suitable bus.
1477
Simon Glass1ba1d4e2021-07-10 21:14:28 -06001478config SPL_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001479 bool "Support watchdog drivers"
Marek Vasut55ec91b2019-06-09 03:46:21 +02001480 imply SPL_WDT if !HW_WATCHDOG
Simon Glass1e3911a2016-09-13 07:05:23 -06001481 help
1482 Enable support for watchdog drivers in SPL. A watchdog is
1483 typically a hardware peripheral which can reset the system when it
1484 detects no activity for a while (such as a software crash). This
1485 enables the drivers in drivers/watchdog as part of an SPL build.
1486
1487config SPL_YMODEM_SUPPORT
1488 bool "Support loading using Ymodem"
Simon Glassf4d60392021-08-08 12:20:12 -06001489 depends on SPL_SERIAL
Simon Glass1e3911a2016-09-13 07:05:23 -06001490 help
1491 While loading from serial is slow it can be a useful backup when
1492 there is no other option. The Ymodem protocol provides a reliable
1493 means of transmitting U-Boot over a serial line for using in SPL,
1494 with a checksum to ensure correctness.
1495
Philipp Tomsichf6618812017-09-13 21:29:36 +02001496config SPL_ATF
Kever Yang6e79a912017-05-05 11:47:45 +08001497 bool "Support ARM Trusted Firmware"
Samuel Holland27b77832022-10-30 23:26:19 -05001498 depends on ARM64
1499 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Kever Yang6e79a912017-05-05 11:47:45 +08001500 help
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001501 ATF(ARM Trusted Firmware) is a component for ARM AArch64 which
1502 is loaded by SPL (which is considered as BL2 in ATF terminology).
Peter Robinson32d26c72024-10-02 19:08:49 +01001503 More detail at: https://github.com/TrustedFirmware-A/trusted-firmware-a
Kever Yang6e79a912017-05-05 11:47:45 +08001504
Michael Walleafaf6ea2020-11-18 17:45:58 +01001505config SPL_ATF_LOAD_IMAGE_V2
1506 bool "Use the new LOAD_IMAGE_V2 parameter passing"
1507 depends on SPL_ATF
1508 help
1509 Some platforms use the newer LOAD_IMAGE_V2 parameter passing.
1510
1511 If you want to load a bl31 image from the SPL and need the new
1512 method, say Y.
1513
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001514config SPL_ATF_NO_PLATFORM_PARAM
Michal Simek0606f9e2021-05-20 13:08:44 +02001515 bool "Pass no platform parameter"
Philipp Tomsichc4078af2018-01-02 21:16:43 +01001516 depends on SPL_ATF
1517 help
1518 While we expect to call a pointer to a valid FDT (or NULL)
1519 as the platform parameter to an ATF, some ATF versions are
1520 not U-Boot aware and have an insufficiently robust parameter
1521 validation to gracefully reject a FDT being passed.
1522
1523 If this option is enabled, the spl_atf os-type handler will
1524 always pass NULL for the platform parameter.
1525
1526 If your ATF is affected, say Y.
1527
Alex Kiernan10238ef2018-03-15 22:11:46 +00001528config SPL_AM33XX_ENABLE_RTC32K_OSC
1529 bool "Enable the RTC32K OSC on AM33xx based platforms"
Tom Rini78896ae2022-05-31 10:24:55 -04001530 depends on AM33XX
Alex Kiernan10238ef2018-03-15 22:11:46 +00001531 default y if AM33XX
1532 help
1533 Enable access to the AM33xx RTC and select the external 32kHz clock
1534 source.
1535
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001536config SPL_OPTEE_IMAGE
1537 bool "Support OP-TEE Trusted OS image in SPL"
Kever Yanga28d42c2018-08-23 17:17:59 +08001538 depends on ARM
Jagan Teki9bd34ac2022-11-03 11:49:47 +05301539 depends on SPL_LOAD_FIT || SPL_LOAD_FIT_FULL
Kever Yanga28d42c2018-08-23 17:17:59 +08001540 help
Patrick Delaunaya7ca4802021-09-02 11:56:16 +02001541 OP-TEE is an open source Trusted OS which is loaded by SPL.
Kever Yanga28d42c2018-08-23 17:17:59 +08001542 More detail at: https://github.com/OP-TEE/optee_os
1543
Lukas Auer515b9342019-08-21 21:14:44 +02001544config SPL_OPENSBI
1545 bool "Support RISC-V OpenSBI"
1546 depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE
Samuel Holland27b77832022-10-30 23:26:19 -05001547 depends on SPL_LOAD_FIT && !SPL_FIT_IMAGE_TINY
Lukas Auer515b9342019-08-21 21:14:44 +02001548 help
1549 OpenSBI is an open-source implementation of the RISC-V Supervisor Binary
1550 Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC
1551 firmware. It is loaded and started by U-Boot SPL.
1552
1553 More details are available at https://github.com/riscv/opensbi and
1554 https://github.com/riscv/riscv-sbi-doc
1555
1556config SPL_OPENSBI_LOAD_ADDR
1557 hex "OpenSBI load address"
1558 depends on SPL_OPENSBI
1559 help
1560 Load address of the OpenSBI binary.
1561
Nikita Shubind3d68062022-08-08 13:28:52 +03001562config SPL_OPENSBI_SCRATCH_OPTIONS
1563 hex "Scratch options passed to OpenSBI"
1564 default 0x1
1565 depends on SPL_OPENSBI
1566 help
Heinrich Schuchardta3587892023-07-04 02:14:21 +02001567 This bitmap of options is passed from U-Boot SPL to OpenSBI.
1568 As of OpenSBI 1.3 the following bits are defined:
1569 - SBI_SCRATCH_NO_BOOT_PRINTS = 0x1 (Disable prints during boot)
1570 - SBI_SCRATCH_DEBUG_PRINTS = 0x2 (Enable runtime debug prints)
Nikita Shubind3d68062022-08-08 13:28:52 +03001571
Tom Rini06d06f72022-05-27 17:13:52 -04001572config SPL_TARGET
1573 string "Addtional build targets for 'make'"
1574 default "spl/u-boot-spl.srec" if RCAR_GEN2
1575 default "spl/u-boot-spl.scif" if RCAR_GEN3
1576 default ""
1577 help
1578 On some platforms we need to have 'make' run additional build target
1579 rules. If required on your platform, enter it here, otherwise leave blank.
1580
Tom Rini2aa5e502022-05-30 17:11:23 -04001581
1582config SPL_AT91_MCK_BYPASS
1583 bool "Use external clock signal as a source of main clock for AT91 platforms"
1584 depends on ARCH_AT91
1585 help
1586 Use external 8 to 24 Mhz clock signal as source of main clock instead
1587 of an external crystal oscillator.
1588 This option disables the internal driving on the XOUT pin.
1589 The external source has to provide a stable clock on the XIN pin.
1590 If this option is disabled, the SoC expects a crystal oscillator
1591 that needs driving on both XIN and XOUT lines.
1592endmenu
1593
Tom Rini3c82f982017-05-22 19:21:57 +00001594config TPL
Tom Rini3c82f982017-05-22 19:21:57 +00001595 depends on SUPPORT_TPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001596 bool "Enable TPL"
Tom Rini3c82f982017-05-22 19:21:57 +00001597 help
1598 If you want to build TPL as well as the normal image and SPL, say Y.
1599
Tom Rini0d989c82022-05-30 17:01:22 -04001600source "common/spl/Kconfig.tpl"
Tom Rini3c82f982017-05-22 19:21:57 +00001601
Simon Glasse7ca7da2022-04-30 00:56:53 -06001602config VPL
Simon Glasse7ca7da2022-04-30 00:56:53 -06001603 depends on SUPPORT_SPL
Tom Rini2aa5e502022-05-30 17:11:23 -04001604 bool "Enable VPL"
Simon Glasse7ca7da2022-04-30 00:56:53 -06001605 help
1606 If you want to build VPL as well as the normal image, TPL and SPL,
1607 say Y.
1608
Tom Rini0d989c82022-05-30 17:01:22 -04001609source "common/spl/Kconfig.vpl"