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Commit | Line | Data |
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11bde1cd SG |
1 | menu "SPL / TPL" |
2 | ||
c2ae7d82 SG |
3 | config SUPPORT_SPL |
4 | bool | |
5 | ||
6 | config SUPPORT_TPL | |
7 | bool | |
8 | ||
66928afb R |
9 | config SPL_DFU_NO_RESET |
10 | bool | |
11 | ||
c2ae7d82 SG |
12 | config SPL |
13 | bool | |
14 | depends on SUPPORT_SPL | |
15 | prompt "Enable SPL" | |
16 | help | |
17 | If you want to build SPL as well as the normal image, say Y. | |
18 | ||
226498b8 TR |
19 | if SPL |
20 | ||
dd6fbcb9 PT |
21 | config SPL_LDSCRIPT |
22 | string "Linker script for the SPL stage" | |
23 | default "arch/$(ARCH)/cpu/u-boot-spl.lds" | |
24 | depends on SPL | |
25 | help | |
26 | The SPL stage will usually require a different linker-script | |
27 | (as it runs from a different memory region) than the regular | |
28 | U-Boot stage. Set this to the path of the linker-script to | |
29 | be used for SPL. | |
30 | ||
0680f1b1 | 31 | config SPL_BOARD_INIT |
0680f1b1 LFT |
32 | bool "Call board-specific initialization in SPL" |
33 | help | |
34 | If this option is enabled, U-Boot will call the function | |
35 | spl_board_init() from board_init_r(). This function should be | |
36 | provided by the board. | |
37 | ||
225d30b7 PT |
38 | config SPL_BOOTROM_SUPPORT |
39 | bool "Support returning to the BOOTROM" | |
40 | help | |
41 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
42 | ROM for loading the next boot-stage after performing basic setup | |
43 | from the SPL stage. | |
44 | ||
45 | Enable this option, to return to the BOOTROM through the | |
46 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
47 | boot device list, if not implemented for a given board) | |
48 | ||
24eb39b5 AD |
49 | config SPL_RAW_IMAGE_SUPPORT |
50 | bool "Support SPL loading and booting of RAW images" | |
24eb39b5 | 51 | default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT)) |
ae9b57b5 | 52 | default y if !TI_SECURE_DEVICE |
24eb39b5 AD |
53 | help |
54 | SPL will support loading and booting a RAW image when this option | |
55 | is y. If this is not set, SPL will move on to other available | |
56 | boot media to find a suitable image. | |
57 | ||
722a6b17 AD |
58 | config SPL_LEGACY_IMAGE_SUPPORT |
59 | bool "Support SPL loading and booting of Legacy images" | |
ae9b57b5 | 60 | default y if !TI_SECURE_DEVICE |
722a6b17 AD |
61 | help |
62 | SPL will support loading and booting Legacy images when this option | |
63 | is y. If this is not set, SPL will move on to other available | |
64 | boot media to find a suitable image. | |
65 | ||
c2ae7d82 SG |
66 | config SPL_SYS_MALLOC_SIMPLE |
67 | bool | |
c2ae7d82 SG |
68 | prompt "Only use malloc_simple functions in the SPL" |
69 | help | |
70 | Say Y here to only use the *_simple malloc functions from | |
71 | malloc_simple.c, rather then using the versions from dlmalloc.c; | |
72 | this will make the SPL binary smaller at the cost of more heap | |
73 | usage as the *_simple malloc functions do not re-use free-ed mem. | |
74 | ||
d60b5f74 PT |
75 | config TPL_SYS_MALLOC_SIMPLE |
76 | bool | |
77 | prompt "Only use malloc_simple functions in the TPL" | |
78 | help | |
79 | Say Y here to only use the *_simple malloc functions from | |
80 | malloc_simple.c, rather then using the versions from dlmalloc.c; | |
81 | this will make the TPL binary smaller at the cost of more heap | |
82 | usage as the *_simple malloc functions do not re-use free-ed mem. | |
83 | ||
c2ae7d82 | 84 | config SPL_STACK_R |
c2ae7d82 SG |
85 | bool "Enable SDRAM location for SPL stack" |
86 | help | |
87 | SPL starts off execution in SRAM and thus typically has only a small | |
88 | stack available. Since SPL sets up DRAM while in its board_init_f() | |
89 | function, it is possible for the stack to move there before | |
90 | board_init_r() is reached. This option enables a special SDRAM | |
91 | location for the SPL stack. U-Boot SPL switches to this after | |
92 | board_init_f() completes, and before board_init_r() starts. | |
93 | ||
94 | config SPL_STACK_R_ADDR | |
95 | depends on SPL_STACK_R | |
96 | hex "SDRAM location for SPL stack" | |
ff6c3125 | 97 | default 0x82000000 if ARCH_OMAP2PLUS |
c2ae7d82 SG |
98 | help |
99 | Specify the address in SDRAM for the SPL stack. This will be set up | |
100 | before board_init_r() is called. | |
101 | ||
102 | config SPL_STACK_R_MALLOC_SIMPLE_LEN | |
103 | depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE | |
104 | hex "Size of malloc_simple heap after switching to DRAM SPL stack" | |
105 | default 0x100000 | |
106 | help | |
107 | Specify the amount of the stack to use as memory pool for | |
108 | malloc_simple after switching the stack to DRAM. This may be set | |
109 | to give board_init_r() a larger heap then the initial heap in | |
110 | SRAM which is limited to SYS_MALLOC_F_LEN bytes. | |
111 | ||
112 | config SPL_SEPARATE_BSS | |
c2ae7d82 SG |
113 | bool "BSS section is in a different memory region from text" |
114 | help | |
115 | Some platforms need a large BSS region in SPL and can provide this | |
116 | because RAM is already set up. In this case BSS can be moved to RAM. | |
117 | This option should then be enabled so that the correct device tree | |
118 | location is used. Normally we put the device tree at the end of BSS | |
119 | but with this option enabled, it goes at _image_binary_end. | |
120 | ||
a807ab33 | 121 | config SPL_DISPLAY_PRINT |
a807ab33 SG |
122 | bool "Display a board-specific message in SPL" |
123 | help | |
124 | If this option is enabled, U-Boot will call the function | |
125 | spl_display_print() immediately after displaying the SPL console | |
126 | banner ("U-Boot SPL ..."). This function should be provided by | |
127 | the board. | |
128 | ||
38fed8ab SP |
129 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
130 | bool "MMC raw mode: by sector" | |
38fed8ab SP |
131 | default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER ||ARCH_MX6 || \ |
132 | ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \ | |
133 | ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \ | |
134 | OMAP44XX || OMAP54XX || AM33XX || AM43XX | |
135 | help | |
136 | Use sector number for specifying U-Boot location on MMC/SD in | |
137 | raw mode. | |
138 | ||
139 | config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR | |
140 | hex "Address on the MMC to load U-Boot from" | |
226498b8 | 141 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
38fed8ab SP |
142 | default 0x50 if ARCH_SUNXI |
143 | default 0x75 if ARCH_DAVINCI | |
38fed8ab | 144 | default 0x8a if ARCH_MX6 |
8f4d62b4 | 145 | default 0x100 if ARCH_UNIPHIER |
38fed8ab SP |
146 | default 0x140 if ARCH_MVEBU |
147 | default 0x200 if ARCH_SOCFPGA || ARCH_AT91 | |
148 | default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \ | |
149 | OMAP54XX || AM33XX || AM43XX | |
8f4d62b4 | 150 | default 0x4000 if ARCH_ROCKCHIP |
38fed8ab SP |
151 | help |
152 | Address on the MMC to load U-Boot from, when the MMC is being used | |
153 | in raw mode. Units: MMC sectors (1 sector = 512 bytes). | |
154 | ||
949123e3 DW |
155 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
156 | bool "MMC Raw mode: by partition" | |
949123e3 DW |
157 | help |
158 | Use a partition for loading U-Boot when using MMC/SD in raw mode. | |
159 | ||
160 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION | |
161 | hex "Partition to use to load U-Boot from" | |
226498b8 | 162 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
949123e3 DW |
163 | default 1 |
164 | help | |
165 | Partition on the MMC to load U-Boot from when the MMC is being | |
166 | used in raw mode | |
167 | ||
f0fb4fa7 DW |
168 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
169 | bool "MMC raw mode: by partition type" | |
226498b8 | 170 | depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
f0fb4fa7 DW |
171 | help |
172 | Use partition type for specifying U-Boot partition on MMC/SD in | |
173 | raw mode. U-Boot will be loaded from the first partition of this | |
174 | type to be found. | |
175 | ||
176 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE | |
177 | hex "Partition Type on the MMC to load U-Boot from" | |
226498b8 | 178 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
f0fb4fa7 DW |
179 | help |
180 | Partition Type on the MMC to load U-Boot from, when the MMC is being | |
181 | used in raw mode. | |
182 | ||
11bde1cd SG |
183 | config SPL_CRC32_SUPPORT |
184 | bool "Support CRC32" | |
185 | depends on SPL_FIT | |
186 | help | |
187 | Enable this to support CRC32 in FIT images within SPL. This is a | |
188 | 32-bit checksum value that can be used to verify images. This is | |
189 | the least secure type of checksum, suitable for detected | |
190 | accidental image corruption. For secure applications you should | |
191 | consider SHA1 or SHA256. | |
192 | ||
193 | config SPL_MD5_SUPPORT | |
194 | bool "Support MD5" | |
195 | depends on SPL_FIT | |
196 | help | |
197 | Enable this to support MD5 in FIT images within SPL. An MD5 | |
198 | checksum is a 128-bit hash value used to check that the image | |
199 | contents have not been corrupted. Note that MD5 is not considered | |
200 | secure as it is possible (with a brute-force attack) to adjust the | |
201 | image while still retaining the same MD5 hash value. For secure | |
202 | applications where images may be changed maliciously, you should | |
203 | consider SHA1 or SHA256. | |
204 | ||
205 | config SPL_SHA1_SUPPORT | |
206 | bool "Support SHA1" | |
207 | depends on SPL_FIT | |
089df18b | 208 | select SHA1 |
11bde1cd SG |
209 | help |
210 | Enable this to support SHA1 in FIT images within SPL. A SHA1 | |
211 | checksum is a 160-bit (20-byte) hash value used to check that the | |
212 | image contents have not been corrupted or maliciously altered. | |
213 | While SHA1 is fairly secure it is coming to the end of its life | |
214 | due to the expanding computing power avaiable to brute-force | |
215 | attacks. For more security, consider SHA256. | |
216 | ||
217 | config SPL_SHA256_SUPPORT | |
218 | bool "Support SHA256" | |
219 | depends on SPL_FIT | |
089df18b | 220 | select SHA256 |
11bde1cd SG |
221 | help |
222 | Enable this to support SHA256 in FIT images within SPL. A SHA256 | |
223 | checksum is a 256-bit (32-byte) hash value used to check that the | |
224 | image contents have not been corrupted. SHA256 is recommended for | |
225 | use in secure applications since (as at 2016) there is no known | |
226 | feasible attack that could produce a 'collision' with differing | |
227 | input data. Use this for the highest security. Note that only the | |
228 | SHA256 variant is supported: SHA512 and others are not currently | |
229 | supported in U-Boot. | |
230 | ||
337bbb62 PT |
231 | config SPL_FIT_IMAGE_TINY |
232 | bool "Remove functionality from SPL FIT loading to reduce size" | |
233 | depends on SPL_FIT | |
234 | default y if MACH_SUN50I || MACH_SUN50I_H5 | |
337bbb62 PT |
235 | help |
236 | Enable this to reduce the size of the FIT image loading code | |
237 | in SPL, if space for the SPL binary is very tight. | |
238 | ||
239 | This removes the detection of image types (which forces the | |
240 | first image to be treated as having a U-Boot style calling | |
241 | convention) and skips the recording of each loaded payload | |
242 | (i.e. loadable) into the FDT (modifying the loaded FDT to | |
243 | ensure this information is available to the next image | |
244 | invoked). | |
245 | ||
5e148df9 SG |
246 | config SPL_CPU_SUPPORT |
247 | bool "Support CPU drivers" | |
5e148df9 SG |
248 | help |
249 | Enable this to support CPU drivers in SPL. These drivers can set | |
250 | up CPUs and provide information about them such as the model and | |
251 | name. This can be useful in SPL since setting up the CPUs earlier | |
252 | may improve boot performance. Enable this option to build the | |
253 | drivers in drivers/cpu as part of an SPL build. | |
254 | ||
11bde1cd SG |
255 | config SPL_CRYPTO_SUPPORT |
256 | bool "Support crypto drivers" | |
11bde1cd SG |
257 | help |
258 | Enable crypto drivers in SPL. These drivers can be used to | |
259 | accelerate secure boot processing in secure applications. Enable | |
260 | this option to build the drivers in drivers/crypto as part of an | |
261 | SPL build. | |
262 | ||
263 | config SPL_HASH_SUPPORT | |
264 | bool "Support hashing drivers" | |
089df18b TR |
265 | select SHA1 |
266 | select SHA256 | |
11bde1cd SG |
267 | help |
268 | Enable hashing drivers in SPL. These drivers can be used to | |
269 | accelerate secure boot processing in secure applications. Enable | |
270 | this option to build system-specific drivers for hash acceleration | |
271 | as part of an SPL build. | |
272 | ||
273 | config SPL_DMA_SUPPORT | |
274 | bool "Support DMA drivers" | |
11bde1cd SG |
275 | help |
276 | Enable DMA (direct-memory-access) drivers in SPL. These drivers | |
277 | can be used to handle memory-to-peripheral data transfer without | |
278 | the CPU moving the data. Enable this option to build the drivers | |
279 | in drivers/dma as part of an SPL build. | |
280 | ||
281 | config SPL_DRIVERS_MISC_SUPPORT | |
282 | bool "Support misc drivers" | |
11bde1cd SG |
283 | help |
284 | Enable miscellaneous drivers in SPL. These drivers perform various | |
285 | tasks that don't fall nicely into other categories, Enable this | |
286 | option to build the drivers in drivers/misc as part of an SPL | |
287 | build, for those that support building in SPL (not all drivers do). | |
288 | ||
289 | config SPL_ENV_SUPPORT | |
290 | bool "Support an environment" | |
11bde1cd SG |
291 | help |
292 | Enable environment support in SPL. The U-Boot environment provides | |
293 | a number of settings (essentially name/value pairs) which can | |
294 | control many aspects of U-Boot's operation. Normally this is not | |
295 | needed in SPL as it has a much simpler task with less | |
296 | configuration. But some boards use this to support 'Falcon' boot | |
297 | on EXT2 and FAT, where SPL boots directly into Linux without | |
00caae6d | 298 | starting U-Boot first. Enabling this option will make env_get() |
382bee57 | 299 | and env_set() available in SPL. |
11bde1cd | 300 | |
d2d9bdfc R |
301 | config SPL_SAVEENV |
302 | bool "Support save environment" | |
226498b8 | 303 | depends on SPL_ENV_SUPPORT |
d2d9bdfc R |
304 | help |
305 | Enable save environment support in SPL after setenv. By default | |
306 | the saveenv option is not provided in SPL, but some boards need | |
307 | this support in 'Falcon' boot, where SPL need to boot from | |
308 | different images based on environment variable set by OS. For | |
309 | example OS may set "reboot_image" environment variable to | |
310 | "recovery" inorder to boot recovery image by SPL. The SPL read | |
311 | "reboot_image" and act accordingly and change the reboot_image | |
312 | to default mode using setenv and save the environemnt. | |
313 | ||
11bde1cd SG |
314 | config SPL_ETH_SUPPORT |
315 | bool "Support Ethernet" | |
316 | depends on SPL_ENV_SUPPORT | |
317 | help | |
318 | Enable access to the network subsystem and associated Ethernet | |
319 | drivers in SPL. This permits SPL to load U-Boot over an Ethernet | |
320 | link rather than from an on-board peripheral. Environment support | |
321 | is required since the network stack uses a number of environment | |
322 | variables. See also SPL_NET_SUPPORT. | |
323 | ||
324 | config SPL_EXT_SUPPORT | |
325 | bool "Support EXT filesystems" | |
11bde1cd SG |
326 | help |
327 | Enable support for EXT2/3/4 filesystems with SPL. This permits | |
328 | U-Boot (or Linux in Falcon mode) to be loaded from an EXT | |
329 | filesystem from within SPL. Support for the underlying block | |
330 | device (e.g. MMC or USB) must be enabled separately. | |
331 | ||
332 | config SPL_FAT_SUPPORT | |
333 | bool "Support FAT filesystems" | |
eedfb89e | 334 | select FS_FAT |
11bde1cd SG |
335 | help |
336 | Enable support for FAT and VFAT filesystems with SPL. This | |
337 | permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT | |
338 | filesystem from within SPL. Support for the underlying block | |
339 | device (e.g. MMC or USB) must be enabled separately. | |
340 | ||
341 | config SPL_FPGA_SUPPORT | |
342 | bool "Support FPGAs" | |
11bde1cd SG |
343 | help |
344 | Enable support for FPGAs in SPL. Field-programmable Gate Arrays | |
345 | provide software-configurable hardware which is typically used to | |
346 | implement peripherals (such as UARTs, LCD displays, MMC) or | |
347 | accelerate custom processing functions, such as image processing | |
348 | or machine learning. Sometimes it is useful to program the FPGA | |
349 | as early as possible during boot, and this option can enable that | |
350 | within SPL. | |
351 | ||
352 | config SPL_GPIO_SUPPORT | |
353 | bool "Support GPIO" | |
11bde1cd SG |
354 | help |
355 | Enable support for GPIOs (General-purpose Input/Output) in SPL. | |
356 | GPIOs allow U-Boot to read the state of an input line (high or | |
357 | low) and set the state of an output line. This can be used to | |
358 | drive LEDs, control power to various system parts and read user | |
359 | input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED, | |
360 | for example. Enable this option to build the drivers in | |
361 | drivers/gpio as part of an SPL build. | |
362 | ||
363 | config SPL_I2C_SUPPORT | |
364 | bool "Support I2C" | |
11bde1cd SG |
365 | help |
366 | Enable support for the I2C (Inter-Integrated Circuit) bus in SPL. | |
367 | I2C works with a clock and data line which can be driven by a | |
368 | one or more masters or slaves. It is a fairly complex bus but is | |
369 | widely used as it only needs two lines for communication. Speeds of | |
370 | 400kbps are typical but up to 3.4Mbps is supported by some | |
371 | hardware. I2C can be useful in SPL to configure power management | |
372 | ICs (PMICs) before raising the CPU clock speed, for example. | |
373 | Enable this option to build the drivers in drivers/i2c as part of | |
374 | an SPL build. | |
375 | ||
376 | config SPL_LIBCOMMON_SUPPORT | |
377 | bool "Support common libraries" | |
11bde1cd SG |
378 | help |
379 | Enable support for common U-Boot libraries within SPL. These | |
380 | libraries include common code to deal with U-Boot images, | |
381 | environment and USB, for example. This option is enabled on many | |
382 | boards. Enable this option to build the code in common/ as part of | |
383 | an SPL build. | |
384 | ||
385 | config SPL_LIBDISK_SUPPORT | |
386 | bool "Support disk paritions" | |
11bde1cd SG |
387 | help |
388 | Enable support for disk partitions within SPL. 'Disk' is something | |
389 | of a misnomer as it includes non-spinning media such as flash (as | |
390 | used in MMC and USB sticks). Partitions provide a way for a disk | |
391 | to be split up into separate regions, with a partition table placed | |
392 | at the start or end which describes the location and size of each | |
393 | 'partition'. These partitions are typically uses as individual block | |
394 | devices, typically with an EXT2 or FAT filesystem in each. This | |
395 | option enables whatever partition support has been enabled in | |
396 | U-Boot to also be used in SPL. It brings in the code in disk/. | |
397 | ||
398 | config SPL_LIBGENERIC_SUPPORT | |
399 | bool "Support generic libraries" | |
11bde1cd SG |
400 | help |
401 | Enable support for generic U-Boot libraries within SPL. These | |
402 | libraries include generic code to deal with device tree, hashing, | |
403 | printf(), compression and the like. This option is enabled on many | |
404 | boards. Enable this option to build the code in lib/ as part of an | |
405 | SPL build. | |
406 | ||
407 | config SPL_MMC_SUPPORT | |
408 | bool "Support MMC" | |
226498b8 | 409 | depends on MMC |
11bde1cd SG |
410 | help |
411 | Enable support for MMC (Multimedia Card) within SPL. This enables | |
412 | the MMC protocol implementation and allows any enabled drivers to | |
413 | be used within SPL. MMC can be used with or without disk partition | |
414 | support depending on the application (SPL_LIBDISK_SUPPORT). Enable | |
415 | this option to build the drivers in drivers/mmc as part of an SPL | |
416 | build. | |
417 | ||
418 | config SPL_MPC8XXX_INIT_DDR_SUPPORT | |
419 | bool "Support MPC8XXX DDR init" | |
11bde1cd SG |
420 | help |
421 | Enable support for DDR-SDRAM (double-data-rate synchronous dynamic | |
422 | random-access memory) on the MPC8XXX family within SPL. This | |
423 | allows DRAM to be set up before loading U-Boot into that DRAM, | |
424 | where it can run. | |
425 | ||
426 | config SPL_MTD_SUPPORT | |
427 | bool "Support MTD drivers" | |
11bde1cd SG |
428 | help |
429 | Enable support for MTD (Memory Technology Device) within SPL. MTD | |
430 | provides a block interface over raw NAND and can also be used with | |
431 | SPI flash. This allows SPL to load U-Boot from supported MTD | |
432 | devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how | |
433 | to enable specific MTD drivers. | |
434 | ||
435 | config SPL_MUSB_NEW_SUPPORT | |
436 | bool "Support new Mentor Graphics USB" | |
11bde1cd SG |
437 | help |
438 | Enable support for Mentor Graphics USB in SPL. This is a new | |
439 | driver used by some boards. Enable this option to build | |
440 | the drivers in drivers/usb/musb-new as part of an SPL build. The | |
441 | old drivers are in drivers/usb/musb. | |
442 | ||
443 | config SPL_NAND_SUPPORT | |
444 | bool "Support NAND flash" | |
11bde1cd SG |
445 | help |
446 | Enable support for NAND (Negative AND) flash in SPL. NAND flash | |
447 | can be used to allow SPL to load U-Boot from supported devices. | |
448 | This enables the drivers in drivers/mtd/nand as part of an SPL | |
449 | build. | |
450 | ||
451 | config SPL_NET_SUPPORT | |
452 | bool "Support networking" | |
11bde1cd SG |
453 | help |
454 | Enable support for network devices (such as Ethernet) in SPL. | |
455 | This permits SPL to load U-Boot over a network link rather than | |
456 | from an on-board peripheral. Environment support is required since | |
457 | the network stack uses a number of environment variables. See also | |
458 | SPL_ETH_SUPPORT. | |
459 | ||
460 | if SPL_NET_SUPPORT | |
461 | config SPL_NET_VCI_STRING | |
462 | string "BOOTP Vendor Class Identifier string sent by SPL" | |
463 | help | |
464 | As defined by RFC 2132 the vendor class identifier field can be | |
465 | sent by the client to identify the vendor type and configuration | |
466 | of a client. This is often used in practice to allow for the DHCP | |
467 | server to specify different files to load depending on if the ROM, | |
468 | SPL or U-Boot itself makes the request | |
469 | endif # if SPL_NET_SUPPORT | |
470 | ||
471 | config SPL_NO_CPU_SUPPORT | |
472 | bool "Drop CPU code in SPL" | |
11bde1cd SG |
473 | help |
474 | This is specific to the ARM926EJ-S CPU. It disables the standard | |
475 | start.S start-up code, presumably so that a replacement can be | |
476 | used on that CPU. You should not enable it unless you know what | |
477 | you are doing. | |
478 | ||
479 | config SPL_NOR_SUPPORT | |
480 | bool "Support NOR flash" | |
11bde1cd SG |
481 | help |
482 | Enable support for loading U-Boot from memory-mapped NOR (Negative | |
483 | OR) flash in SPL. NOR flash is slow to write but fast to read, and | |
484 | a memory-mapped device makes it very easy to access. Loading from | |
485 | NOR is typically achieved with just a memcpy(). | |
486 | ||
c6d9e9db VM |
487 | config SPL_XIP_SUPPORT |
488 | bool "Support XIP" | |
489 | depends on SPL | |
490 | help | |
491 | Enable support for execute in place of U-Boot or kernel image. There | |
492 | is no need to copy image from flash to ram if flash supports execute | |
493 | in place. Its very useful in systems having enough flash but not | |
494 | enough ram to load the image. | |
495 | ||
11bde1cd SG |
496 | config SPL_ONENAND_SUPPORT |
497 | bool "Support OneNAND flash" | |
11bde1cd SG |
498 | help |
499 | Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is | |
500 | a type of NAND flash and therefore can be used to allow SPL to | |
501 | load U-Boot from supported devices. This enables the drivers in | |
502 | drivers/mtd/onenand as part of an SPL build. | |
503 | ||
c20ae2ff HS |
504 | config SPL_OS_BOOT |
505 | bool "Activate Falcon Mode" | |
226498b8 | 506 | depends on !TI_SECURE_DEVICE |
c20ae2ff HS |
507 | default n |
508 | help | |
509 | Enable booting directly to an OS from SPL. | |
510 | for more info read doc/README.falcon | |
511 | ||
29d3bc79 HS |
512 | if SPL_OS_BOOT |
513 | config SYS_OS_BASE | |
514 | hex "addr, where OS is found" | |
226498b8 | 515 | depends on SPL_NOR_SUPPORT |
29d3bc79 HS |
516 | help |
517 | Specify the address, where the OS image is found, which | |
518 | gets booted. | |
519 | ||
520 | endif # SPL_OS_BOOT | |
521 | ||
2446b6b8 SG |
522 | config SPL_PCI_SUPPORT |
523 | bool "Support PCI drivers" | |
2446b6b8 SG |
524 | help |
525 | Enable support for PCI in SPL. For platforms that need PCI to boot, | |
526 | or must perform some init using PCI in SPL, this provides the | |
527 | necessary driver support. This enables the drivers in drivers/pci | |
528 | as part of an SPL build. | |
529 | ||
bbe41abf SG |
530 | config SPL_PCH_SUPPORT |
531 | bool "Support PCH drivers" | |
bbe41abf SG |
532 | help |
533 | Enable support for PCH (Platform Controller Hub) devices in SPL. | |
534 | These are used to set up GPIOs and the SPI peripheral early in | |
535 | boot. This enables the drivers in drivers/pch as part of an SPL | |
536 | build. | |
537 | ||
11bde1cd SG |
538 | config SPL_POST_MEM_SUPPORT |
539 | bool "Support POST drivers" | |
11bde1cd SG |
540 | help |
541 | Enable support for POST (Power-on Self Test) in SPL. POST is a | |
542 | procedure that checks that the hardware (CPU or board) appears to | |
543 | be functionally correctly. It is a sanity check that can be | |
544 | performed before booting. This enables the drivers in post/drivers | |
545 | as part of an SPL build. | |
546 | ||
547 | config SPL_POWER_SUPPORT | |
548 | bool "Support power drivers" | |
11bde1cd SG |
549 | help |
550 | Enable support for power control in SPL. This includes support | |
551 | for PMICs (Power-management Integrated Circuits) and some of the | |
552 | features provided by PMICs. In particular, voltage regulators can | |
553 | be used to enable/disable power and vary its voltage. That can be | |
554 | useful in SPL to turn on boot peripherals and adjust CPU voltage | |
555 | so that the clock speed can be increased. This enables the drivers | |
556 | in drivers/power, drivers/power/pmic and drivers/power/regulator | |
557 | as part of an SPL build. | |
558 | ||
22802f4e SA |
559 | config SPL_RAM_SUPPORT |
560 | bool "Support booting from RAM" | |
22802f4e SA |
561 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
562 | help | |
563 | Enable booting of an image in RAM. The image can be preloaded or | |
564 | it can be loaded by SPL directly into RAM (e.g. using USB). | |
565 | ||
f417d40f SA |
566 | config SPL_RAM_DEVICE |
567 | bool "Support booting from preloaded image in RAM" | |
22802f4e | 568 | depends on SPL_RAM_SUPPORT |
f417d40f SA |
569 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
570 | help | |
571 | Enable booting of an image already loaded in RAM. The image has to | |
572 | be already in memory when SPL takes over, e.g. loaded by the boot | |
573 | ROM. | |
574 | ||
30bf8a0d SG |
575 | config SPL_RTC_SUPPORT |
576 | bool "Support RTC drivers" | |
30bf8a0d SG |
577 | help |
578 | Enable RTC (Real-time Clock) support in SPL. This includes support | |
579 | for reading and setting the time. Some RTC devices also have some | |
580 | non-volatile (battery-backed) memory which is accessible if | |
581 | needed. This enables the drivers in drivers/rtc as part of an SPL | |
582 | build. | |
583 | ||
11bde1cd SG |
584 | config SPL_SATA_SUPPORT |
585 | bool "Support loading from SATA" | |
11bde1cd SG |
586 | help |
587 | Enable support for SATA (Serial AT attachment) in SPL. This allows | |
588 | use of SATA devices such as hard drives and flash drivers for | |
589 | loading U-Boot. SATA is used in higher-end embedded systems and | |
590 | can provide higher performance than MMC , at somewhat higher | |
591 | expense and power consumption. This enables loading from SATA | |
592 | using a configured device. | |
593 | ||
594 | config SPL_SERIAL_SUPPORT | |
595 | bool "Support serial" | |
11bde1cd SG |
596 | help |
597 | Enable support for serial in SPL. This allows use of a serial UART | |
598 | for displaying messages while SPL is running. It also brings in | |
599 | printf() and panic() functions. This should normally be enabled | |
600 | unless there are space reasons not to. Even then, consider | |
601 | enabling USE_TINY_PRINTF which is a small printf() version. | |
602 | ||
603 | config SPL_SPI_FLASH_SUPPORT | |
604 | bool "Support SPI flash drivers" | |
11bde1cd SG |
605 | help |
606 | Enable support for using SPI flash in SPL, and loading U-Boot from | |
607 | SPI flash. SPI flash (Serial Peripheral Bus flash) is named after | |
608 | the SPI bus that is used to connect it to a system. It is a simple | |
609 | but fast bidirectional 4-wire bus (clock, chip select and two data | |
610 | lines). This enables the drivers in drivers/mtd/spi as part of an | |
611 | SPL build. This normally requires SPL_SPI_SUPPORT. | |
612 | ||
613 | config SPL_SPI_SUPPORT | |
614 | bool "Support SPI drivers" | |
11bde1cd SG |
615 | help |
616 | Enable support for using SPI in SPL. This is used for connecting | |
617 | to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for | |
618 | more details on that. The SPI driver provides the transport for | |
619 | data between the SPI flash and the CPU. This option can be used to | |
620 | enable SPI drivers that are needed for other purposes also, such | |
621 | as a SPI PMIC. | |
622 | ||
8502f9f6 FA |
623 | config SPL_THERMAL |
624 | bool "Driver support for thermal devices" | |
625 | help | |
626 | Enable support for temperature-sensing devices. Some SoCs have on-chip | |
627 | temperature sensors to permit warnings, speed throttling or even | |
628 | automatic power-off when the temperature gets too high or low. Other | |
629 | devices may be discrete but connected on a suitable bus. | |
630 | ||
11bde1cd SG |
631 | config SPL_USB_HOST_SUPPORT |
632 | bool "Support USB host drivers" | |
11bde1cd SG |
633 | help |
634 | Enable access to USB (Universal Serial Bus) host devices so that | |
635 | SPL can load U-Boot from a connected USB peripheral, such as a USB | |
636 | flash stick. While USB takes a little longer to start up than most | |
637 | buses, it is very flexible since many different types of storage | |
638 | device can be attached. This option enables the drivers in | |
639 | drivers/usb/host as part of an SPL build. | |
640 | ||
641 | config SPL_USB_SUPPORT | |
642 | bool "Support loading from USB" | |
643 | depends on SPL_USB_HOST_SUPPORT | |
644 | help | |
645 | Enable support for USB devices in SPL. This allows use of USB | |
646 | devices such as hard drives and flash drivers for loading U-Boot. | |
647 | The actual drivers are enabled separately using the normal U-Boot | |
648 | config options. This enables loading from USB using a configured | |
649 | device. | |
650 | ||
e94793c8 SA |
651 | config SPL_USB_GADGET_SUPPORT |
652 | bool "Suppport USB Gadget drivers" | |
e94793c8 SA |
653 | help |
654 | Enable USB Gadget API which allows to enable USB device functions | |
655 | in SPL. | |
656 | ||
657 | if SPL_USB_GADGET_SUPPORT | |
658 | ||
659 | config SPL_USBETH_SUPPORT | |
660 | bool "Support USB Ethernet drivers" | |
661 | help | |
662 | Enable access to the USB network subsystem and associated | |
663 | drivers in SPL. This permits SPL to load U-Boot over a | |
664 | USB-connected Ethernet link (such as a USB Ethernet dongle) rather | |
665 | than from an onboard peripheral. Environment support is required | |
666 | since the network stack uses a number of environment variables. | |
667 | See also SPL_NET_SUPPORT and SPL_ETH_SUPPORT. | |
668 | ||
5991703e SA |
669 | config SPL_DFU_SUPPORT |
670 | bool "Support DFU (Device Firmware Upgarde)" | |
5991703e | 671 | select SPL_HASH_SUPPORT |
66928afb | 672 | select SPL_DFU_NO_RESET |
1b19cbdb | 673 | depends on SPL_RAM_SUPPORT |
5991703e SA |
674 | help |
675 | This feature enables the DFU (Device Firmware Upgarde) in SPL with | |
676 | RAM memory device support. The ROM code will load and execute | |
677 | the SPL built with dfu. The user can load binaries (u-boot/kernel) to | |
678 | selected device partition from host-pc using dfu-utils. | |
679 | This feature is useful to flash the binaries to factory or bare-metal | |
680 | boards using USB interface. | |
681 | ||
682 | choice | |
683 | bool "DFU device selection" | |
684 | depends on SPL_DFU_SUPPORT | |
685 | ||
686 | config SPL_DFU_RAM | |
687 | bool "RAM device" | |
22802f4e | 688 | depends on SPL_DFU_SUPPORT && SPL_RAM_SUPPORT |
5991703e SA |
689 | help |
690 | select RAM/DDR memory device for loading binary images | |
691 | (u-boot/kernel) to the selected device partition using | |
692 | DFU and execute the u-boot/kernel from RAM. | |
693 | ||
694 | endchoice | |
695 | ||
a3774c1c SA |
696 | config SPL_USB_SDP_SUPPORT |
697 | bool "Support SDP (Serial Download Protocol)" | |
698 | help | |
699 | Enable Serial Download Protocol (SDP) device support in SPL. This | |
700 | allows to download images into memory and execute (jump to) them | |
701 | using the same protocol as implemented by the i.MX family's boot ROM. | |
e94793c8 SA |
702 | endif |
703 | ||
11bde1cd SG |
704 | config SPL_WATCHDOG_SUPPORT |
705 | bool "Support watchdog drivers" | |
11bde1cd SG |
706 | help |
707 | Enable support for watchdog drivers in SPL. A watchdog is | |
708 | typically a hardware peripheral which can reset the system when it | |
709 | detects no activity for a while (such as a software crash). This | |
710 | enables the drivers in drivers/watchdog as part of an SPL build. | |
711 | ||
712 | config SPL_YMODEM_SUPPORT | |
713 | bool "Support loading using Ymodem" | |
11bde1cd SG |
714 | help |
715 | While loading from serial is slow it can be a useful backup when | |
716 | there is no other option. The Ymodem protocol provides a reliable | |
717 | means of transmitting U-Boot over a serial line for using in SPL, | |
718 | with a checksum to ensure correctness. | |
719 | ||
aa122f6b | 720 | config SPL_ATF |
bcc1726a | 721 | bool "Support ARM Trusted Firmware" |
226498b8 | 722 | depends on ARM64 |
bcc1726a | 723 | help |
b5b82abc | 724 | ATF(ARM Trusted Firmware) is a component for ARM arch64 which |
bcc1726a KY |
725 | is loaded by SPL(which is considered as BL2 in ATF terminology). |
726 | More detail at: https://github.com/ARM-software/arm-trusted-firmware | |
727 | ||
226498b8 TR |
728 | config TPL |
729 | bool | |
730 | depends on SUPPORT_TPL | |
731 | prompt "Enable TPL" | |
732 | help | |
733 | If you want to build TPL as well as the normal image and SPL, say Y. | |
734 | ||
735 | if TPL | |
736 | ||
dd6fbcb9 PT |
737 | config TPL_LDSCRIPT |
738 | string "Linker script for the TPL stage" | |
739 | depends on TPL | |
740 | help | |
741 | The TPL stage will usually require a different linker-script | |
742 | (as it runs from a different memory region) than the regular | |
743 | U-Boot stage. Set this to the path of the linker-script to | |
744 | be used for TPL. | |
745 | ||
b3ed6ce7 PT |
746 | May be left empty to trigger the Makefile infrastructure to |
747 | fall back to the linker-script used for the SPL stage. | |
748 | ||
749 | config TPL_NEEDS_SEPARATE_TEXT_BASE | |
750 | bool "TPL needs a separate text-base" | |
751 | default n | |
752 | depends on TPL | |
753 | help | |
754 | Enable, if the TPL stage should not inherit its text-base | |
755 | from the SPL stage. When enabled, a base address for the | |
756 | .text sections of the TPL stage has to be set below. | |
757 | ||
758 | config TPL_NEEDS_SEPARATE_STACK | |
759 | bool "TPL needs a separate initial stack-pointer" | |
760 | default n | |
761 | depends on TPL | |
762 | help | |
763 | Enable, if the TPL stage should not inherit its initial | |
764 | stack-pointer from the settings for the SPL stage. | |
765 | ||
766 | config TPL_TEXT_BASE | |
767 | hex "Base address for the .text section of the TPL stage" | |
768 | depends on TPL_NEEDS_SEPARATE_TEXT_BASE | |
769 | help | |
770 | The base address for the .text section of the TPL stage. | |
771 | ||
772 | config TPL_MAX_SIZE | |
773 | int "Maximum size (in bytes) for the TPL stage" | |
5aa49af3 | 774 | default 0 |
b3ed6ce7 PT |
775 | depends on TPL |
776 | help | |
777 | The maximum size (in bytes) of the TPL stage. | |
778 | ||
779 | config TPL_STACK | |
780 | hex "Address of the initial stack-pointer for the TPL stage" | |
781 | depends on TPL_NEEDS_SEPARATE_STACK | |
782 | help | |
783 | The address of the initial stack-pointer for the TPL stage. | |
784 | Usually this will be the (aligned) top-of-stack. | |
785 | ||
a954fa32 PT |
786 | config TPL_BOOTROM_SUPPORT |
787 | bool "Support returning to the BOOTROM (from TPL)" | |
788 | help | |
789 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
790 | ROM for loading the next boot-stage after performing basic setup | |
791 | from the TPL stage. | |
792 | ||
793 | Enable this option, to return to the BOOTROM through the | |
794 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
795 | boot device list, if not implemented for a given board) | |
796 | ||
c3916e7b PT |
797 | config TPL_DRIVERS_MISC_SUPPORT |
798 | bool "Support misc drivers in TPL" | |
799 | help | |
800 | Enable miscellaneous drivers in TPL. These drivers perform various | |
801 | tasks that don't fall nicely into other categories, Enable this | |
802 | option to build the drivers in drivers/misc as part of an TPL | |
803 | build, for those that support building in TPL (not all drivers do). | |
804 | ||
f73329ee SG |
805 | config TPL_ENV_SUPPORT |
806 | bool "Support an environment" | |
f73329ee SG |
807 | help |
808 | Enable environment support in TPL. See SPL_ENV_SUPPORT for details. | |
809 | ||
810 | config TPL_I2C_SUPPORT | |
811 | bool "Support I2C" | |
f73329ee | 812 | help |
616bd09e | 813 | Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for |
f73329ee SG |
814 | details. |
815 | ||
816 | config TPL_LIBCOMMON_SUPPORT | |
817 | bool "Support common libraries" | |
f73329ee SG |
818 | help |
819 | Enable support for common U-Boot libraries within TPL. See | |
820 | SPL_LIBCOMMON_SUPPORT for details. | |
821 | ||
822 | config TPL_LIBGENERIC_SUPPORT | |
823 | bool "Support generic libraries" | |
f73329ee SG |
824 | help |
825 | Enable support for generic U-Boot libraries within TPL. See | |
826 | SPL_LIBGENERIC_SUPPORT for details. | |
827 | ||
828 | config TPL_MPC8XXX_INIT_DDR_SUPPORT | |
829 | bool "Support MPC8XXX DDR init" | |
f73329ee SG |
830 | help |
831 | Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See | |
832 | SPL_MPC8XXX_INIT_DDR_SUPPORT for details. | |
833 | ||
834 | config TPL_MMC_SUPPORT | |
835 | bool "Support MMC" | |
226498b8 | 836 | depends on MMC |
f73329ee SG |
837 | help |
838 | Enable support for MMC within TPL. See SPL_MMC_SUPPORT for details. | |
839 | ||
840 | config TPL_NAND_SUPPORT | |
841 | bool "Support NAND flash" | |
f73329ee | 842 | help |
616bd09e | 843 | Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. |
f73329ee SG |
844 | |
845 | config TPL_SERIAL_SUPPORT | |
846 | bool "Support serial" | |
f73329ee | 847 | help |
616bd09e | 848 | Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for |
f73329ee SG |
849 | details. |
850 | ||
851 | config TPL_SPI_FLASH_SUPPORT | |
852 | bool "Support SPI flash drivers" | |
f73329ee | 853 | help |
616bd09e | 854 | Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT |
f73329ee SG |
855 | for details. |
856 | ||
857 | config TPL_SPI_SUPPORT | |
858 | bool "Support SPI drivers" | |
f73329ee | 859 | help |
616bd09e | 860 | Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for |
f73329ee SG |
861 | details. |
862 | ||
226498b8 TR |
863 | endif # TPL |
864 | ||
865 | endif # SPL | |
11bde1cd | 866 | endmenu |