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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 |
d6400c3f | 304 | select SPL_MMC_WRITE if ENV_IS_IN_MMC |
d2d9bdfc R |
305 | help |
306 | Enable save environment support in SPL after setenv. By default | |
307 | the saveenv option is not provided in SPL, but some boards need | |
308 | this support in 'Falcon' boot, where SPL need to boot from | |
309 | different images based on environment variable set by OS. For | |
310 | example OS may set "reboot_image" environment variable to | |
311 | "recovery" inorder to boot recovery image by SPL. The SPL read | |
312 | "reboot_image" and act accordingly and change the reboot_image | |
313 | to default mode using setenv and save the environemnt. | |
314 | ||
11bde1cd SG |
315 | config SPL_ETH_SUPPORT |
316 | bool "Support Ethernet" | |
317 | depends on SPL_ENV_SUPPORT | |
318 | help | |
319 | Enable access to the network subsystem and associated Ethernet | |
320 | drivers in SPL. This permits SPL to load U-Boot over an Ethernet | |
321 | link rather than from an on-board peripheral. Environment support | |
322 | is required since the network stack uses a number of environment | |
323 | variables. See also SPL_NET_SUPPORT. | |
324 | ||
325 | config SPL_EXT_SUPPORT | |
326 | bool "Support EXT filesystems" | |
11bde1cd SG |
327 | help |
328 | Enable support for EXT2/3/4 filesystems with SPL. This permits | |
329 | U-Boot (or Linux in Falcon mode) to be loaded from an EXT | |
330 | filesystem from within SPL. Support for the underlying block | |
331 | device (e.g. MMC or USB) must be enabled separately. | |
332 | ||
333 | config SPL_FAT_SUPPORT | |
334 | bool "Support FAT filesystems" | |
eedfb89e | 335 | select FS_FAT |
11bde1cd SG |
336 | help |
337 | Enable support for FAT and VFAT filesystems with SPL. This | |
338 | permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT | |
339 | filesystem from within SPL. Support for the underlying block | |
340 | device (e.g. MMC or USB) must be enabled separately. | |
341 | ||
342 | config SPL_FPGA_SUPPORT | |
343 | bool "Support FPGAs" | |
11bde1cd SG |
344 | help |
345 | Enable support for FPGAs in SPL. Field-programmable Gate Arrays | |
346 | provide software-configurable hardware which is typically used to | |
347 | implement peripherals (such as UARTs, LCD displays, MMC) or | |
348 | accelerate custom processing functions, such as image processing | |
349 | or machine learning. Sometimes it is useful to program the FPGA | |
350 | as early as possible during boot, and this option can enable that | |
351 | within SPL. | |
352 | ||
353 | config SPL_GPIO_SUPPORT | |
354 | bool "Support GPIO" | |
11bde1cd SG |
355 | help |
356 | Enable support for GPIOs (General-purpose Input/Output) in SPL. | |
357 | GPIOs allow U-Boot to read the state of an input line (high or | |
358 | low) and set the state of an output line. This can be used to | |
359 | drive LEDs, control power to various system parts and read user | |
360 | input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED, | |
361 | for example. Enable this option to build the drivers in | |
362 | drivers/gpio as part of an SPL build. | |
363 | ||
364 | config SPL_I2C_SUPPORT | |
365 | bool "Support I2C" | |
11bde1cd SG |
366 | help |
367 | Enable support for the I2C (Inter-Integrated Circuit) bus in SPL. | |
368 | I2C works with a clock and data line which can be driven by a | |
369 | one or more masters or slaves. It is a fairly complex bus but is | |
370 | widely used as it only needs two lines for communication. Speeds of | |
371 | 400kbps are typical but up to 3.4Mbps is supported by some | |
372 | hardware. I2C can be useful in SPL to configure power management | |
373 | ICs (PMICs) before raising the CPU clock speed, for example. | |
374 | Enable this option to build the drivers in drivers/i2c as part of | |
375 | an SPL build. | |
376 | ||
377 | config SPL_LIBCOMMON_SUPPORT | |
378 | bool "Support common libraries" | |
11bde1cd SG |
379 | help |
380 | Enable support for common U-Boot libraries within SPL. These | |
381 | libraries include common code to deal with U-Boot images, | |
382 | environment and USB, for example. This option is enabled on many | |
383 | boards. Enable this option to build the code in common/ as part of | |
384 | an SPL build. | |
385 | ||
386 | config SPL_LIBDISK_SUPPORT | |
387 | bool "Support disk paritions" | |
11bde1cd SG |
388 | help |
389 | Enable support for disk partitions within SPL. 'Disk' is something | |
390 | of a misnomer as it includes non-spinning media such as flash (as | |
391 | used in MMC and USB sticks). Partitions provide a way for a disk | |
392 | to be split up into separate regions, with a partition table placed | |
393 | at the start or end which describes the location and size of each | |
394 | 'partition'. These partitions are typically uses as individual block | |
395 | devices, typically with an EXT2 or FAT filesystem in each. This | |
396 | option enables whatever partition support has been enabled in | |
397 | U-Boot to also be used in SPL. It brings in the code in disk/. | |
398 | ||
399 | config SPL_LIBGENERIC_SUPPORT | |
400 | bool "Support generic libraries" | |
11bde1cd SG |
401 | help |
402 | Enable support for generic U-Boot libraries within SPL. These | |
403 | libraries include generic code to deal with device tree, hashing, | |
404 | printf(), compression and the like. This option is enabled on many | |
405 | boards. Enable this option to build the code in lib/ as part of an | |
406 | SPL build. | |
407 | ||
408 | config SPL_MMC_SUPPORT | |
409 | bool "Support MMC" | |
226498b8 | 410 | depends on MMC |
11bde1cd SG |
411 | help |
412 | Enable support for MMC (Multimedia Card) within SPL. This enables | |
413 | the MMC protocol implementation and allows any enabled drivers to | |
414 | be used within SPL. MMC can be used with or without disk partition | |
415 | support depending on the application (SPL_LIBDISK_SUPPORT). Enable | |
416 | this option to build the drivers in drivers/mmc as part of an SPL | |
417 | build. | |
418 | ||
d6400c3f JJH |
419 | config SPL_MMC_WRITE |
420 | bool "MMC/SD/SDIO card support for write operations in SPL" | |
421 | depends on SPL_MMC_SUPPORT | |
422 | default n | |
423 | help | |
424 | Enable write access to MMC and SD Cards in SPL | |
425 | ||
426 | ||
11bde1cd SG |
427 | config SPL_MPC8XXX_INIT_DDR_SUPPORT |
428 | bool "Support MPC8XXX DDR init" | |
11bde1cd SG |
429 | help |
430 | Enable support for DDR-SDRAM (double-data-rate synchronous dynamic | |
431 | random-access memory) on the MPC8XXX family within SPL. This | |
432 | allows DRAM to be set up before loading U-Boot into that DRAM, | |
433 | where it can run. | |
434 | ||
435 | config SPL_MTD_SUPPORT | |
436 | bool "Support MTD drivers" | |
11bde1cd SG |
437 | help |
438 | Enable support for MTD (Memory Technology Device) within SPL. MTD | |
439 | provides a block interface over raw NAND and can also be used with | |
440 | SPI flash. This allows SPL to load U-Boot from supported MTD | |
441 | devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how | |
442 | to enable specific MTD drivers. | |
443 | ||
444 | config SPL_MUSB_NEW_SUPPORT | |
445 | bool "Support new Mentor Graphics USB" | |
11bde1cd SG |
446 | help |
447 | Enable support for Mentor Graphics USB in SPL. This is a new | |
448 | driver used by some boards. Enable this option to build | |
449 | the drivers in drivers/usb/musb-new as part of an SPL build. The | |
450 | old drivers are in drivers/usb/musb. | |
451 | ||
452 | config SPL_NAND_SUPPORT | |
453 | bool "Support NAND flash" | |
11bde1cd SG |
454 | help |
455 | Enable support for NAND (Negative AND) flash in SPL. NAND flash | |
456 | can be used to allow SPL to load U-Boot from supported devices. | |
457 | This enables the drivers in drivers/mtd/nand as part of an SPL | |
458 | build. | |
459 | ||
460 | config SPL_NET_SUPPORT | |
461 | bool "Support networking" | |
11bde1cd SG |
462 | help |
463 | Enable support for network devices (such as Ethernet) in SPL. | |
464 | This permits SPL to load U-Boot over a network link rather than | |
465 | from an on-board peripheral. Environment support is required since | |
466 | the network stack uses a number of environment variables. See also | |
467 | SPL_ETH_SUPPORT. | |
468 | ||
469 | if SPL_NET_SUPPORT | |
470 | config SPL_NET_VCI_STRING | |
471 | string "BOOTP Vendor Class Identifier string sent by SPL" | |
472 | help | |
473 | As defined by RFC 2132 the vendor class identifier field can be | |
474 | sent by the client to identify the vendor type and configuration | |
475 | of a client. This is often used in practice to allow for the DHCP | |
476 | server to specify different files to load depending on if the ROM, | |
477 | SPL or U-Boot itself makes the request | |
478 | endif # if SPL_NET_SUPPORT | |
479 | ||
480 | config SPL_NO_CPU_SUPPORT | |
481 | bool "Drop CPU code in SPL" | |
11bde1cd SG |
482 | help |
483 | This is specific to the ARM926EJ-S CPU. It disables the standard | |
484 | start.S start-up code, presumably so that a replacement can be | |
485 | used on that CPU. You should not enable it unless you know what | |
486 | you are doing. | |
487 | ||
488 | config SPL_NOR_SUPPORT | |
489 | bool "Support NOR flash" | |
11bde1cd SG |
490 | help |
491 | Enable support for loading U-Boot from memory-mapped NOR (Negative | |
492 | OR) flash in SPL. NOR flash is slow to write but fast to read, and | |
493 | a memory-mapped device makes it very easy to access. Loading from | |
494 | NOR is typically achieved with just a memcpy(). | |
495 | ||
c6d9e9db VM |
496 | config SPL_XIP_SUPPORT |
497 | bool "Support XIP" | |
498 | depends on SPL | |
499 | help | |
500 | Enable support for execute in place of U-Boot or kernel image. There | |
501 | is no need to copy image from flash to ram if flash supports execute | |
502 | in place. Its very useful in systems having enough flash but not | |
503 | enough ram to load the image. | |
504 | ||
11bde1cd SG |
505 | config SPL_ONENAND_SUPPORT |
506 | bool "Support OneNAND flash" | |
11bde1cd SG |
507 | help |
508 | Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is | |
509 | a type of NAND flash and therefore can be used to allow SPL to | |
510 | load U-Boot from supported devices. This enables the drivers in | |
511 | drivers/mtd/onenand as part of an SPL build. | |
512 | ||
c20ae2ff HS |
513 | config SPL_OS_BOOT |
514 | bool "Activate Falcon Mode" | |
226498b8 | 515 | depends on !TI_SECURE_DEVICE |
c20ae2ff HS |
516 | default n |
517 | help | |
518 | Enable booting directly to an OS from SPL. | |
519 | for more info read doc/README.falcon | |
520 | ||
29d3bc79 HS |
521 | if SPL_OS_BOOT |
522 | config SYS_OS_BASE | |
523 | hex "addr, where OS is found" | |
226498b8 | 524 | depends on SPL_NOR_SUPPORT |
29d3bc79 HS |
525 | help |
526 | Specify the address, where the OS image is found, which | |
527 | gets booted. | |
528 | ||
529 | endif # SPL_OS_BOOT | |
530 | ||
2446b6b8 SG |
531 | config SPL_PCI_SUPPORT |
532 | bool "Support PCI drivers" | |
2446b6b8 SG |
533 | help |
534 | Enable support for PCI in SPL. For platforms that need PCI to boot, | |
535 | or must perform some init using PCI in SPL, this provides the | |
536 | necessary driver support. This enables the drivers in drivers/pci | |
537 | as part of an SPL build. | |
538 | ||
bbe41abf SG |
539 | config SPL_PCH_SUPPORT |
540 | bool "Support PCH drivers" | |
bbe41abf SG |
541 | help |
542 | Enable support for PCH (Platform Controller Hub) devices in SPL. | |
543 | These are used to set up GPIOs and the SPI peripheral early in | |
544 | boot. This enables the drivers in drivers/pch as part of an SPL | |
545 | build. | |
546 | ||
11bde1cd SG |
547 | config SPL_POST_MEM_SUPPORT |
548 | bool "Support POST drivers" | |
11bde1cd SG |
549 | help |
550 | Enable support for POST (Power-on Self Test) in SPL. POST is a | |
551 | procedure that checks that the hardware (CPU or board) appears to | |
552 | be functionally correctly. It is a sanity check that can be | |
553 | performed before booting. This enables the drivers in post/drivers | |
554 | as part of an SPL build. | |
555 | ||
556 | config SPL_POWER_SUPPORT | |
557 | bool "Support power drivers" | |
11bde1cd SG |
558 | help |
559 | Enable support for power control in SPL. This includes support | |
560 | for PMICs (Power-management Integrated Circuits) and some of the | |
561 | features provided by PMICs. In particular, voltage regulators can | |
562 | be used to enable/disable power and vary its voltage. That can be | |
563 | useful in SPL to turn on boot peripherals and adjust CPU voltage | |
564 | so that the clock speed can be increased. This enables the drivers | |
565 | in drivers/power, drivers/power/pmic and drivers/power/regulator | |
566 | as part of an SPL build. | |
567 | ||
22802f4e SA |
568 | config SPL_RAM_SUPPORT |
569 | bool "Support booting from RAM" | |
22802f4e SA |
570 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
571 | help | |
572 | Enable booting of an image in RAM. The image can be preloaded or | |
573 | it can be loaded by SPL directly into RAM (e.g. using USB). | |
574 | ||
f417d40f SA |
575 | config SPL_RAM_DEVICE |
576 | bool "Support booting from preloaded image in RAM" | |
22802f4e | 577 | depends on SPL_RAM_SUPPORT |
f417d40f SA |
578 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
579 | help | |
580 | Enable booting of an image already loaded in RAM. The image has to | |
581 | be already in memory when SPL takes over, e.g. loaded by the boot | |
582 | ROM. | |
583 | ||
30bf8a0d SG |
584 | config SPL_RTC_SUPPORT |
585 | bool "Support RTC drivers" | |
30bf8a0d SG |
586 | help |
587 | Enable RTC (Real-time Clock) support in SPL. This includes support | |
588 | for reading and setting the time. Some RTC devices also have some | |
589 | non-volatile (battery-backed) memory which is accessible if | |
590 | needed. This enables the drivers in drivers/rtc as part of an SPL | |
591 | build. | |
592 | ||
11bde1cd SG |
593 | config SPL_SATA_SUPPORT |
594 | bool "Support loading from SATA" | |
11bde1cd SG |
595 | help |
596 | Enable support for SATA (Serial AT attachment) in SPL. This allows | |
597 | use of SATA devices such as hard drives and flash drivers for | |
598 | loading U-Boot. SATA is used in higher-end embedded systems and | |
599 | can provide higher performance than MMC , at somewhat higher | |
600 | expense and power consumption. This enables loading from SATA | |
601 | using a configured device. | |
602 | ||
603 | config SPL_SERIAL_SUPPORT | |
604 | bool "Support serial" | |
11bde1cd SG |
605 | help |
606 | Enable support for serial in SPL. This allows use of a serial UART | |
607 | for displaying messages while SPL is running. It also brings in | |
608 | printf() and panic() functions. This should normally be enabled | |
609 | unless there are space reasons not to. Even then, consider | |
610 | enabling USE_TINY_PRINTF which is a small printf() version. | |
611 | ||
612 | config SPL_SPI_FLASH_SUPPORT | |
613 | bool "Support SPI flash drivers" | |
11bde1cd SG |
614 | help |
615 | Enable support for using SPI flash in SPL, and loading U-Boot from | |
616 | SPI flash. SPI flash (Serial Peripheral Bus flash) is named after | |
617 | the SPI bus that is used to connect it to a system. It is a simple | |
618 | but fast bidirectional 4-wire bus (clock, chip select and two data | |
619 | lines). This enables the drivers in drivers/mtd/spi as part of an | |
620 | SPL build. This normally requires SPL_SPI_SUPPORT. | |
621 | ||
622 | config SPL_SPI_SUPPORT | |
623 | bool "Support SPI drivers" | |
11bde1cd SG |
624 | help |
625 | Enable support for using SPI in SPL. This is used for connecting | |
626 | to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for | |
627 | more details on that. The SPI driver provides the transport for | |
628 | data between the SPI flash and the CPU. This option can be used to | |
629 | enable SPI drivers that are needed for other purposes also, such | |
630 | as a SPI PMIC. | |
631 | ||
8502f9f6 FA |
632 | config SPL_THERMAL |
633 | bool "Driver support for thermal devices" | |
634 | help | |
635 | Enable support for temperature-sensing devices. Some SoCs have on-chip | |
636 | temperature sensors to permit warnings, speed throttling or even | |
637 | automatic power-off when the temperature gets too high or low. Other | |
638 | devices may be discrete but connected on a suitable bus. | |
639 | ||
11bde1cd SG |
640 | config SPL_USB_HOST_SUPPORT |
641 | bool "Support USB host drivers" | |
11bde1cd SG |
642 | help |
643 | Enable access to USB (Universal Serial Bus) host devices so that | |
644 | SPL can load U-Boot from a connected USB peripheral, such as a USB | |
645 | flash stick. While USB takes a little longer to start up than most | |
646 | buses, it is very flexible since many different types of storage | |
647 | device can be attached. This option enables the drivers in | |
648 | drivers/usb/host as part of an SPL build. | |
649 | ||
650 | config SPL_USB_SUPPORT | |
651 | bool "Support loading from USB" | |
652 | depends on SPL_USB_HOST_SUPPORT | |
653 | help | |
654 | Enable support for USB devices in SPL. This allows use of USB | |
655 | devices such as hard drives and flash drivers for loading U-Boot. | |
656 | The actual drivers are enabled separately using the normal U-Boot | |
657 | config options. This enables loading from USB using a configured | |
658 | device. | |
659 | ||
e94793c8 SA |
660 | config SPL_USB_GADGET_SUPPORT |
661 | bool "Suppport USB Gadget drivers" | |
e94793c8 SA |
662 | help |
663 | Enable USB Gadget API which allows to enable USB device functions | |
664 | in SPL. | |
665 | ||
666 | if SPL_USB_GADGET_SUPPORT | |
667 | ||
668 | config SPL_USBETH_SUPPORT | |
669 | bool "Support USB Ethernet drivers" | |
670 | help | |
671 | Enable access to the USB network subsystem and associated | |
672 | drivers in SPL. This permits SPL to load U-Boot over a | |
673 | USB-connected Ethernet link (such as a USB Ethernet dongle) rather | |
674 | than from an onboard peripheral. Environment support is required | |
675 | since the network stack uses a number of environment variables. | |
676 | See also SPL_NET_SUPPORT and SPL_ETH_SUPPORT. | |
677 | ||
5991703e SA |
678 | config SPL_DFU_SUPPORT |
679 | bool "Support DFU (Device Firmware Upgarde)" | |
5991703e | 680 | select SPL_HASH_SUPPORT |
66928afb | 681 | select SPL_DFU_NO_RESET |
1b19cbdb | 682 | depends on SPL_RAM_SUPPORT |
5991703e SA |
683 | help |
684 | This feature enables the DFU (Device Firmware Upgarde) in SPL with | |
685 | RAM memory device support. The ROM code will load and execute | |
686 | the SPL built with dfu. The user can load binaries (u-boot/kernel) to | |
687 | selected device partition from host-pc using dfu-utils. | |
688 | This feature is useful to flash the binaries to factory or bare-metal | |
689 | boards using USB interface. | |
690 | ||
691 | choice | |
692 | bool "DFU device selection" | |
693 | depends on SPL_DFU_SUPPORT | |
694 | ||
695 | config SPL_DFU_RAM | |
696 | bool "RAM device" | |
22802f4e | 697 | depends on SPL_DFU_SUPPORT && SPL_RAM_SUPPORT |
5991703e SA |
698 | help |
699 | select RAM/DDR memory device for loading binary images | |
700 | (u-boot/kernel) to the selected device partition using | |
701 | DFU and execute the u-boot/kernel from RAM. | |
702 | ||
703 | endchoice | |
704 | ||
a3774c1c SA |
705 | config SPL_USB_SDP_SUPPORT |
706 | bool "Support SDP (Serial Download Protocol)" | |
707 | help | |
708 | Enable Serial Download Protocol (SDP) device support in SPL. This | |
709 | allows to download images into memory and execute (jump to) them | |
710 | using the same protocol as implemented by the i.MX family's boot ROM. | |
e94793c8 SA |
711 | endif |
712 | ||
11bde1cd SG |
713 | config SPL_WATCHDOG_SUPPORT |
714 | bool "Support watchdog drivers" | |
11bde1cd SG |
715 | help |
716 | Enable support for watchdog drivers in SPL. A watchdog is | |
717 | typically a hardware peripheral which can reset the system when it | |
718 | detects no activity for a while (such as a software crash). This | |
719 | enables the drivers in drivers/watchdog as part of an SPL build. | |
720 | ||
721 | config SPL_YMODEM_SUPPORT | |
722 | bool "Support loading using Ymodem" | |
11bde1cd SG |
723 | help |
724 | While loading from serial is slow it can be a useful backup when | |
725 | there is no other option. The Ymodem protocol provides a reliable | |
726 | means of transmitting U-Boot over a serial line for using in SPL, | |
727 | with a checksum to ensure correctness. | |
728 | ||
aa122f6b | 729 | config SPL_ATF |
bcc1726a | 730 | bool "Support ARM Trusted Firmware" |
226498b8 | 731 | depends on ARM64 |
bcc1726a | 732 | help |
d21fb63d PT |
733 | ATF(ARM Trusted Firmware) is a component for ARM AArch64 which |
734 | is loaded by SPL (which is considered as BL2 in ATF terminology). | |
bcc1726a KY |
735 | More detail at: https://github.com/ARM-software/arm-trusted-firmware |
736 | ||
d21fb63d PT |
737 | config SPL_ATF_NO_PLATFORM_PARAM |
738 | bool "Pass no platform parameter" | |
739 | depends on SPL_ATF | |
740 | help | |
741 | While we expect to call a pointer to a valid FDT (or NULL) | |
742 | as the platform parameter to an ATF, some ATF versions are | |
743 | not U-Boot aware and have an insufficiently robust parameter | |
744 | validation to gracefully reject a FDT being passed. | |
745 | ||
746 | If this option is enabled, the spl_atf os-type handler will | |
747 | always pass NULL for the platform parameter. | |
748 | ||
749 | If your ATF is affected, say Y. | |
750 | ||
226498b8 TR |
751 | config TPL |
752 | bool | |
753 | depends on SUPPORT_TPL | |
754 | prompt "Enable TPL" | |
755 | help | |
756 | If you want to build TPL as well as the normal image and SPL, say Y. | |
757 | ||
758 | if TPL | |
759 | ||
dd6fbcb9 PT |
760 | config TPL_LDSCRIPT |
761 | string "Linker script for the TPL stage" | |
762 | depends on TPL | |
763 | help | |
764 | The TPL stage will usually require a different linker-script | |
765 | (as it runs from a different memory region) than the regular | |
766 | U-Boot stage. Set this to the path of the linker-script to | |
767 | be used for TPL. | |
768 | ||
b3ed6ce7 PT |
769 | May be left empty to trigger the Makefile infrastructure to |
770 | fall back to the linker-script used for the SPL stage. | |
771 | ||
772 | config TPL_NEEDS_SEPARATE_TEXT_BASE | |
773 | bool "TPL needs a separate text-base" | |
774 | default n | |
775 | depends on TPL | |
776 | help | |
777 | Enable, if the TPL stage should not inherit its text-base | |
778 | from the SPL stage. When enabled, a base address for the | |
779 | .text sections of the TPL stage has to be set below. | |
780 | ||
781 | config TPL_NEEDS_SEPARATE_STACK | |
782 | bool "TPL needs a separate initial stack-pointer" | |
783 | default n | |
784 | depends on TPL | |
785 | help | |
786 | Enable, if the TPL stage should not inherit its initial | |
787 | stack-pointer from the settings for the SPL stage. | |
788 | ||
789 | config TPL_TEXT_BASE | |
790 | hex "Base address for the .text section of the TPL stage" | |
791 | depends on TPL_NEEDS_SEPARATE_TEXT_BASE | |
792 | help | |
793 | The base address for the .text section of the TPL stage. | |
794 | ||
795 | config TPL_MAX_SIZE | |
796 | int "Maximum size (in bytes) for the TPL stage" | |
5aa49af3 | 797 | default 0 |
b3ed6ce7 PT |
798 | depends on TPL |
799 | help | |
800 | The maximum size (in bytes) of the TPL stage. | |
801 | ||
802 | config TPL_STACK | |
803 | hex "Address of the initial stack-pointer for the TPL stage" | |
804 | depends on TPL_NEEDS_SEPARATE_STACK | |
805 | help | |
806 | The address of the initial stack-pointer for the TPL stage. | |
807 | Usually this will be the (aligned) top-of-stack. | |
808 | ||
a954fa32 PT |
809 | config TPL_BOOTROM_SUPPORT |
810 | bool "Support returning to the BOOTROM (from TPL)" | |
811 | help | |
812 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
813 | ROM for loading the next boot-stage after performing basic setup | |
814 | from the TPL stage. | |
815 | ||
816 | Enable this option, to return to the BOOTROM through the | |
817 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
818 | boot device list, if not implemented for a given board) | |
819 | ||
c3916e7b PT |
820 | config TPL_DRIVERS_MISC_SUPPORT |
821 | bool "Support misc drivers in TPL" | |
822 | help | |
823 | Enable miscellaneous drivers in TPL. These drivers perform various | |
824 | tasks that don't fall nicely into other categories, Enable this | |
825 | option to build the drivers in drivers/misc as part of an TPL | |
826 | build, for those that support building in TPL (not all drivers do). | |
827 | ||
f73329ee SG |
828 | config TPL_ENV_SUPPORT |
829 | bool "Support an environment" | |
f73329ee SG |
830 | help |
831 | Enable environment support in TPL. See SPL_ENV_SUPPORT for details. | |
832 | ||
833 | config TPL_I2C_SUPPORT | |
834 | bool "Support I2C" | |
f73329ee | 835 | help |
616bd09e | 836 | Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for |
f73329ee SG |
837 | details. |
838 | ||
839 | config TPL_LIBCOMMON_SUPPORT | |
840 | bool "Support common libraries" | |
f73329ee SG |
841 | help |
842 | Enable support for common U-Boot libraries within TPL. See | |
843 | SPL_LIBCOMMON_SUPPORT for details. | |
844 | ||
845 | config TPL_LIBGENERIC_SUPPORT | |
846 | bool "Support generic libraries" | |
f73329ee SG |
847 | help |
848 | Enable support for generic U-Boot libraries within TPL. See | |
849 | SPL_LIBGENERIC_SUPPORT for details. | |
850 | ||
851 | config TPL_MPC8XXX_INIT_DDR_SUPPORT | |
852 | bool "Support MPC8XXX DDR init" | |
f73329ee SG |
853 | help |
854 | Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See | |
855 | SPL_MPC8XXX_INIT_DDR_SUPPORT for details. | |
856 | ||
857 | config TPL_MMC_SUPPORT | |
858 | bool "Support MMC" | |
226498b8 | 859 | depends on MMC |
f73329ee SG |
860 | help |
861 | Enable support for MMC within TPL. See SPL_MMC_SUPPORT for details. | |
862 | ||
863 | config TPL_NAND_SUPPORT | |
864 | bool "Support NAND flash" | |
f73329ee | 865 | help |
616bd09e | 866 | Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. |
f73329ee SG |
867 | |
868 | config TPL_SERIAL_SUPPORT | |
869 | bool "Support serial" | |
f73329ee | 870 | help |
616bd09e | 871 | Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for |
f73329ee SG |
872 | details. |
873 | ||
874 | config TPL_SPI_FLASH_SUPPORT | |
875 | bool "Support SPI flash drivers" | |
f73329ee | 876 | help |
616bd09e | 877 | Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT |
f73329ee SG |
878 | for details. |
879 | ||
880 | config TPL_SPI_SUPPORT | |
881 | bool "Support SPI drivers" | |
f73329ee | 882 | help |
616bd09e | 883 | Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for |
f73329ee SG |
884 | details. |
885 | ||
226498b8 TR |
886 | endif # TPL |
887 | ||
888 | endif # SPL | |
11bde1cd | 889 | endmenu |