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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 | ||
75670c81 TR |
19 | config SPL_FRAMEWORK |
20 | bool "Support SPL based upon the common SPL framework" | |
21 | depends on SPL | |
22 | default y | |
23 | help | |
24 | Enable the SPL framework under common/spl/. This framework | |
25 | supports MMC, NAND and YMODEM and other methods loading of U-Boot | |
26 | and the Linux Kernel. If unsure, say Y. | |
27 | ||
b0edea3c SG |
28 | config HANDOFF |
29 | bool "Pass hand-off information from SPL to U-Boot proper" | |
30 | depends on BLOBLIST | |
31 | help | |
32 | It is useful to be able to pass information from SPL to U-Boot | |
33 | proper to preserve state that is known in SPL and is needed in U-Boot. | |
34 | Enable this to locate the handoff information in U-Boot proper, early | |
35 | in boot. It is available in gd->handoff. The state state is set up | |
36 | in SPL (or TPL if that is being used). | |
37 | ||
226498b8 TR |
38 | if SPL |
39 | ||
b0edea3c SG |
40 | config SPL_HANDOFF |
41 | bool "Pass hand-off information from SPL to U-Boot proper" | |
42 | depends on HANDOFF | |
43 | default y | |
44 | help | |
45 | This option enables SPL to write handoff information. This can be | |
46 | used to pass information like the size of SDRAM from SPL to U-Boot | |
47 | proper. Also SPL can receive information from TPL in the same place | |
48 | if that is enabled. | |
49 | ||
dd6fbcb9 PT |
50 | config SPL_LDSCRIPT |
51 | string "Linker script for the SPL stage" | |
52 | default "arch/$(ARCH)/cpu/u-boot-spl.lds" | |
dd6fbcb9 PT |
53 | help |
54 | The SPL stage will usually require a different linker-script | |
55 | (as it runs from a different memory region) than the regular | |
56 | U-Boot stage. Set this to the path of the linker-script to | |
57 | be used for SPL. | |
58 | ||
0680f1b1 | 59 | config SPL_BOARD_INIT |
0680f1b1 LFT |
60 | bool "Call board-specific initialization in SPL" |
61 | help | |
62 | If this option is enabled, U-Boot will call the function | |
63 | spl_board_init() from board_init_r(). This function should be | |
64 | provided by the board. | |
65 | ||
225d30b7 PT |
66 | config SPL_BOOTROM_SUPPORT |
67 | bool "Support returning to the BOOTROM" | |
68 | help | |
69 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
70 | ROM for loading the next boot-stage after performing basic setup | |
71 | from the SPL stage. | |
72 | ||
73 | Enable this option, to return to the BOOTROM through the | |
74 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
75 | boot device list, if not implemented for a given board) | |
76 | ||
afa9609e LM |
77 | config SPL_BOOTCOUNT_LIMIT |
78 | bool "Support bootcount in SPL" | |
79 | depends on SPL_ENV_SUPPORT | |
80 | help | |
81 | On some boards, which use 'falcon' mode, it is necessary to check | |
82 | and increment the number of boot attempts. Such boards do not | |
83 | use proper U-Boot for normal boot flow and hence needs those | |
84 | adjustments to be done in the SPL. | |
85 | ||
24eb39b5 AD |
86 | config SPL_RAW_IMAGE_SUPPORT |
87 | bool "Support SPL loading and booting of RAW images" | |
24eb39b5 | 88 | default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT)) |
ae9b57b5 | 89 | default y if !TI_SECURE_DEVICE |
24eb39b5 AD |
90 | help |
91 | SPL will support loading and booting a RAW image when this option | |
92 | is y. If this is not set, SPL will move on to other available | |
93 | boot media to find a suitable image. | |
94 | ||
722a6b17 AD |
95 | config SPL_LEGACY_IMAGE_SUPPORT |
96 | bool "Support SPL loading and booting of Legacy images" | |
ae9b57b5 | 97 | default y if !TI_SECURE_DEVICE |
722a6b17 AD |
98 | help |
99 | SPL will support loading and booting Legacy images when this option | |
100 | is y. If this is not set, SPL will move on to other available | |
101 | boot media to find a suitable image. | |
102 | ||
dae5c2dc SG |
103 | config SPL_LEGACY_IMAGE_CRC_CHECK |
104 | bool "Check CRC of Legacy images" | |
105 | depends on SPL_LEGACY_IMAGE_SUPPORT | |
106 | select SPL_CRC32_SUPPORT | |
107 | help | |
108 | Enable this to check the CRC of Legacy images. While this increases | |
109 | reliability, it affects both code size and boot duration. | |
110 | If disabled, Legacy images are booted if the image magic and size | |
111 | are correct, without further integrity checks. | |
112 | ||
c2ae7d82 SG |
113 | config SPL_SYS_MALLOC_SIMPLE |
114 | bool | |
c2ae7d82 SG |
115 | prompt "Only use malloc_simple functions in the SPL" |
116 | help | |
117 | Say Y here to only use the *_simple malloc functions from | |
118 | malloc_simple.c, rather then using the versions from dlmalloc.c; | |
119 | this will make the SPL binary smaller at the cost of more heap | |
120 | usage as the *_simple malloc functions do not re-use free-ed mem. | |
121 | ||
d60b5f74 PT |
122 | config TPL_SYS_MALLOC_SIMPLE |
123 | bool | |
124 | prompt "Only use malloc_simple functions in the TPL" | |
125 | help | |
126 | Say Y here to only use the *_simple malloc functions from | |
127 | malloc_simple.c, rather then using the versions from dlmalloc.c; | |
128 | this will make the TPL binary smaller at the cost of more heap | |
129 | usage as the *_simple malloc functions do not re-use free-ed mem. | |
130 | ||
c2ae7d82 | 131 | config SPL_STACK_R |
c2ae7d82 SG |
132 | bool "Enable SDRAM location for SPL stack" |
133 | help | |
134 | SPL starts off execution in SRAM and thus typically has only a small | |
135 | stack available. Since SPL sets up DRAM while in its board_init_f() | |
136 | function, it is possible for the stack to move there before | |
137 | board_init_r() is reached. This option enables a special SDRAM | |
138 | location for the SPL stack. U-Boot SPL switches to this after | |
139 | board_init_f() completes, and before board_init_r() starts. | |
140 | ||
141 | config SPL_STACK_R_ADDR | |
142 | depends on SPL_STACK_R | |
143 | hex "SDRAM location for SPL stack" | |
ff6c3125 | 144 | default 0x82000000 if ARCH_OMAP2PLUS |
c2ae7d82 SG |
145 | help |
146 | Specify the address in SDRAM for the SPL stack. This will be set up | |
147 | before board_init_r() is called. | |
148 | ||
149 | config SPL_STACK_R_MALLOC_SIMPLE_LEN | |
150 | depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE | |
151 | hex "Size of malloc_simple heap after switching to DRAM SPL stack" | |
152 | default 0x100000 | |
153 | help | |
154 | Specify the amount of the stack to use as memory pool for | |
155 | malloc_simple after switching the stack to DRAM. This may be set | |
156 | to give board_init_r() a larger heap then the initial heap in | |
157 | SRAM which is limited to SYS_MALLOC_F_LEN bytes. | |
158 | ||
159 | config SPL_SEPARATE_BSS | |
c2ae7d82 SG |
160 | bool "BSS section is in a different memory region from text" |
161 | help | |
162 | Some platforms need a large BSS region in SPL and can provide this | |
163 | because RAM is already set up. In this case BSS can be moved to RAM. | |
164 | This option should then be enabled so that the correct device tree | |
165 | location is used. Normally we put the device tree at the end of BSS | |
166 | but with this option enabled, it goes at _image_binary_end. | |
167 | ||
aedc08b2 SG |
168 | config SPL_BANNER_PRINT |
169 | bool "Enable output of the SPL banner 'U-Boot SPL ...'" | |
170 | default y | |
171 | help | |
172 | If this option is enabled, SPL will print the banner with version | |
173 | info. Disabling this option could be useful to reduce TPL boot time | |
174 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). | |
175 | ||
176 | config TPL_BANNER_PRINT | |
177 | bool "Enable output of the TPL banner 'U-Boot TPL ...'" | |
178 | default y | |
0292bc0d AG |
179 | help |
180 | If this option is enabled, SPL will not print the banner with version | |
aedc08b2 SG |
181 | info. Disabling this option could be useful to reduce SPL boot time |
182 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). | |
0292bc0d | 183 | |
a807ab33 | 184 | config SPL_DISPLAY_PRINT |
a807ab33 SG |
185 | bool "Display a board-specific message in SPL" |
186 | help | |
187 | If this option is enabled, U-Boot will call the function | |
188 | spl_display_print() immediately after displaying the SPL console | |
189 | banner ("U-Boot SPL ..."). This function should be provided by | |
190 | the board. | |
191 | ||
38fed8ab SP |
192 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
193 | bool "MMC raw mode: by sector" | |
1da1938d FE |
194 | default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \ |
195 | ARCH_MX6 || ARCH_MX7 || \ | |
38fed8ab SP |
196 | ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \ |
197 | ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \ | |
198 | OMAP44XX || OMAP54XX || AM33XX || AM43XX | |
199 | help | |
200 | Use sector number for specifying U-Boot location on MMC/SD in | |
201 | raw mode. | |
202 | ||
203 | config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR | |
204 | hex "Address on the MMC to load U-Boot from" | |
226498b8 | 205 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
38fed8ab SP |
206 | default 0x50 if ARCH_SUNXI |
207 | default 0x75 if ARCH_DAVINCI | |
1da1938d | 208 | default 0x8a if ARCH_MX6 || ARCH_MX7 |
8f4d62b4 | 209 | default 0x100 if ARCH_UNIPHIER |
38fed8ab SP |
210 | default 0x140 if ARCH_MVEBU |
211 | default 0x200 if ARCH_SOCFPGA || ARCH_AT91 | |
212 | default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \ | |
586bde93 | 213 | OMAP54XX || AM33XX || AM43XX || ARCH_K3 |
8f4d62b4 | 214 | default 0x4000 if ARCH_ROCKCHIP |
38fed8ab SP |
215 | help |
216 | Address on the MMC to load U-Boot from, when the MMC is being used | |
217 | in raw mode. Units: MMC sectors (1 sector = 512 bytes). | |
218 | ||
949123e3 DW |
219 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
220 | bool "MMC Raw mode: by partition" | |
949123e3 DW |
221 | help |
222 | Use a partition for loading U-Boot when using MMC/SD in raw mode. | |
223 | ||
224 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION | |
225 | hex "Partition to use to load U-Boot from" | |
226498b8 | 226 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
949123e3 DW |
227 | default 1 |
228 | help | |
229 | Partition on the MMC to load U-Boot from when the MMC is being | |
230 | used in raw mode | |
231 | ||
f0fb4fa7 DW |
232 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
233 | bool "MMC raw mode: by partition type" | |
226498b8 | 234 | depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
f0fb4fa7 DW |
235 | help |
236 | Use partition type for specifying U-Boot partition on MMC/SD in | |
237 | raw mode. U-Boot will be loaded from the first partition of this | |
238 | type to be found. | |
239 | ||
240 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE | |
241 | hex "Partition Type on the MMC to load U-Boot from" | |
226498b8 | 242 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
f0fb4fa7 DW |
243 | help |
244 | Partition Type on the MMC to load U-Boot from, when the MMC is being | |
245 | used in raw mode. | |
246 | ||
11bde1cd SG |
247 | config SPL_CRC32_SUPPORT |
248 | bool "Support CRC32" | |
dae5c2dc | 249 | default y if SPL_LEGACY_IMAGE_SUPPORT |
11bde1cd | 250 | help |
dae5c2dc SG |
251 | Enable this to support CRC32 in uImages or FIT images within SPL. |
252 | This is a 32-bit checksum value that can be used to verify images. | |
253 | For FIT images, this is the least secure type of checksum, suitable | |
254 | for detected accidental image corruption. For secure applications you | |
255 | should consider SHA1 or SHA256. | |
11bde1cd SG |
256 | |
257 | config SPL_MD5_SUPPORT | |
258 | bool "Support MD5" | |
259 | depends on SPL_FIT | |
260 | help | |
261 | Enable this to support MD5 in FIT images within SPL. An MD5 | |
262 | checksum is a 128-bit hash value used to check that the image | |
263 | contents have not been corrupted. Note that MD5 is not considered | |
264 | secure as it is possible (with a brute-force attack) to adjust the | |
265 | image while still retaining the same MD5 hash value. For secure | |
266 | applications where images may be changed maliciously, you should | |
267 | consider SHA1 or SHA256. | |
268 | ||
269 | config SPL_SHA1_SUPPORT | |
270 | bool "Support SHA1" | |
271 | depends on SPL_FIT | |
089df18b | 272 | select SHA1 |
11bde1cd SG |
273 | help |
274 | Enable this to support SHA1 in FIT images within SPL. A SHA1 | |
275 | checksum is a 160-bit (20-byte) hash value used to check that the | |
276 | image contents have not been corrupted or maliciously altered. | |
277 | While SHA1 is fairly secure it is coming to the end of its life | |
278 | due to the expanding computing power avaiable to brute-force | |
279 | attacks. For more security, consider SHA256. | |
280 | ||
281 | config SPL_SHA256_SUPPORT | |
282 | bool "Support SHA256" | |
283 | depends on SPL_FIT | |
089df18b | 284 | select SHA256 |
11bde1cd SG |
285 | help |
286 | Enable this to support SHA256 in FIT images within SPL. A SHA256 | |
287 | checksum is a 256-bit (32-byte) hash value used to check that the | |
288 | image contents have not been corrupted. SHA256 is recommended for | |
289 | use in secure applications since (as at 2016) there is no known | |
290 | feasible attack that could produce a 'collision' with differing | |
291 | input data. Use this for the highest security. Note that only the | |
292 | SHA256 variant is supported: SHA512 and others are not currently | |
293 | supported in U-Boot. | |
294 | ||
337bbb62 PT |
295 | config SPL_FIT_IMAGE_TINY |
296 | bool "Remove functionality from SPL FIT loading to reduce size" | |
297 | depends on SPL_FIT | |
6f796a9b | 298 | default y if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN50I_H6 |
f6282cdd | 299 | default y if ARCH_IMX8M |
337bbb62 PT |
300 | help |
301 | Enable this to reduce the size of the FIT image loading code | |
302 | in SPL, if space for the SPL binary is very tight. | |
303 | ||
304 | This removes the detection of image types (which forces the | |
305 | first image to be treated as having a U-Boot style calling | |
306 | convention) and skips the recording of each loaded payload | |
307 | (i.e. loadable) into the FDT (modifying the loaded FDT to | |
308 | ensure this information is available to the next image | |
309 | invoked). | |
310 | ||
5e148df9 SG |
311 | config SPL_CPU_SUPPORT |
312 | bool "Support CPU drivers" | |
5e148df9 SG |
313 | help |
314 | Enable this to support CPU drivers in SPL. These drivers can set | |
315 | up CPUs and provide information about them such as the model and | |
316 | name. This can be useful in SPL since setting up the CPUs earlier | |
317 | may improve boot performance. Enable this option to build the | |
318 | drivers in drivers/cpu as part of an SPL build. | |
319 | ||
11bde1cd SG |
320 | config SPL_CRYPTO_SUPPORT |
321 | bool "Support crypto drivers" | |
11bde1cd SG |
322 | help |
323 | Enable crypto drivers in SPL. These drivers can be used to | |
324 | accelerate secure boot processing in secure applications. Enable | |
325 | this option to build the drivers in drivers/crypto as part of an | |
326 | SPL build. | |
327 | ||
328 | config SPL_HASH_SUPPORT | |
329 | bool "Support hashing drivers" | |
089df18b TR |
330 | select SHA1 |
331 | select SHA256 | |
11bde1cd SG |
332 | help |
333 | Enable hashing drivers in SPL. These drivers can be used to | |
334 | accelerate secure boot processing in secure applications. Enable | |
335 | this option to build system-specific drivers for hash acceleration | |
336 | as part of an SPL build. | |
337 | ||
2d424eb0 SG |
338 | config TPL_HASH_SUPPORT |
339 | bool "Support hashing drivers in TPL" | |
340 | select SHA1 | |
341 | select SHA256 | |
342 | help | |
343 | Enable hashing drivers in SPL. These drivers can be used to | |
344 | accelerate secure boot processing in secure applications. Enable | |
345 | this option to build system-specific drivers for hash acceleration | |
346 | as part of an SPL build. | |
347 | ||
11bde1cd SG |
348 | config SPL_DMA_SUPPORT |
349 | bool "Support DMA drivers" | |
11bde1cd SG |
350 | help |
351 | Enable DMA (direct-memory-access) drivers in SPL. These drivers | |
352 | can be used to handle memory-to-peripheral data transfer without | |
353 | the CPU moving the data. Enable this option to build the drivers | |
354 | in drivers/dma as part of an SPL build. | |
355 | ||
356 | config SPL_DRIVERS_MISC_SUPPORT | |
357 | bool "Support misc drivers" | |
11bde1cd SG |
358 | help |
359 | Enable miscellaneous drivers in SPL. These drivers perform various | |
360 | tasks that don't fall nicely into other categories, Enable this | |
361 | option to build the drivers in drivers/misc as part of an SPL | |
362 | build, for those that support building in SPL (not all drivers do). | |
363 | ||
364 | config SPL_ENV_SUPPORT | |
365 | bool "Support an environment" | |
11bde1cd SG |
366 | help |
367 | Enable environment support in SPL. The U-Boot environment provides | |
368 | a number of settings (essentially name/value pairs) which can | |
369 | control many aspects of U-Boot's operation. Normally this is not | |
370 | needed in SPL as it has a much simpler task with less | |
371 | configuration. But some boards use this to support 'Falcon' boot | |
372 | on EXT2 and FAT, where SPL boots directly into Linux without | |
00caae6d | 373 | starting U-Boot first. Enabling this option will make env_get() |
382bee57 | 374 | and env_set() available in SPL. |
11bde1cd | 375 | |
d2d9bdfc R |
376 | config SPL_SAVEENV |
377 | bool "Support save environment" | |
226498b8 | 378 | depends on SPL_ENV_SUPPORT |
d6400c3f | 379 | select SPL_MMC_WRITE if ENV_IS_IN_MMC |
d2d9bdfc R |
380 | help |
381 | Enable save environment support in SPL after setenv. By default | |
382 | the saveenv option is not provided in SPL, but some boards need | |
383 | this support in 'Falcon' boot, where SPL need to boot from | |
384 | different images based on environment variable set by OS. For | |
385 | example OS may set "reboot_image" environment variable to | |
386 | "recovery" inorder to boot recovery image by SPL. The SPL read | |
387 | "reboot_image" and act accordingly and change the reboot_image | |
919d25c9 | 388 | to default mode using setenv and save the environment. |
d2d9bdfc | 389 | |
11bde1cd SG |
390 | config SPL_ETH_SUPPORT |
391 | bool "Support Ethernet" | |
392 | depends on SPL_ENV_SUPPORT | |
393 | help | |
394 | Enable access to the network subsystem and associated Ethernet | |
395 | drivers in SPL. This permits SPL to load U-Boot over an Ethernet | |
396 | link rather than from an on-board peripheral. Environment support | |
397 | is required since the network stack uses a number of environment | |
398 | variables. See also SPL_NET_SUPPORT. | |
399 | ||
f4b40924 | 400 | config SPL_FS_EXT4 |
11bde1cd | 401 | bool "Support EXT filesystems" |
11bde1cd SG |
402 | help |
403 | Enable support for EXT2/3/4 filesystems with SPL. This permits | |
404 | U-Boot (or Linux in Falcon mode) to be loaded from an EXT | |
405 | filesystem from within SPL. Support for the underlying block | |
406 | device (e.g. MMC or USB) must be enabled separately. | |
407 | ||
0c3a9ed4 | 408 | config SPL_FS_FAT |
11bde1cd | 409 | bool "Support FAT filesystems" |
eedfb89e | 410 | select FS_FAT |
11bde1cd SG |
411 | help |
412 | Enable support for FAT and VFAT filesystems with SPL. This | |
413 | permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT | |
414 | filesystem from within SPL. Support for the underlying block | |
415 | device (e.g. MMC or USB) must be enabled separately. | |
416 | ||
d8c3ea99 TFC |
417 | config SPL_FAT_WRITE |
418 | bool "Support write for FAT filesystems" | |
419 | help | |
420 | Enable write support for FAT and VFAT filesystems with SPL. | |
421 | Support for the underlying block device (e.g. MMC or USB) must be | |
422 | enabled separately. | |
423 | ||
11bde1cd SG |
424 | config SPL_FPGA_SUPPORT |
425 | bool "Support FPGAs" | |
11bde1cd SG |
426 | help |
427 | Enable support for FPGAs in SPL. Field-programmable Gate Arrays | |
428 | provide software-configurable hardware which is typically used to | |
429 | implement peripherals (such as UARTs, LCD displays, MMC) or | |
430 | accelerate custom processing functions, such as image processing | |
431 | or machine learning. Sometimes it is useful to program the FPGA | |
432 | as early as possible during boot, and this option can enable that | |
433 | within SPL. | |
434 | ||
435 | config SPL_GPIO_SUPPORT | |
2d424eb0 | 436 | bool "Support GPIO in SPL" |
11bde1cd SG |
437 | help |
438 | Enable support for GPIOs (General-purpose Input/Output) in SPL. | |
439 | GPIOs allow U-Boot to read the state of an input line (high or | |
440 | low) and set the state of an output line. This can be used to | |
441 | drive LEDs, control power to various system parts and read user | |
442 | input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED, | |
443 | for example. Enable this option to build the drivers in | |
444 | drivers/gpio as part of an SPL build. | |
445 | ||
446 | config SPL_I2C_SUPPORT | |
447 | bool "Support I2C" | |
11bde1cd SG |
448 | help |
449 | Enable support for the I2C (Inter-Integrated Circuit) bus in SPL. | |
450 | I2C works with a clock and data line which can be driven by a | |
451 | one or more masters or slaves. It is a fairly complex bus but is | |
452 | widely used as it only needs two lines for communication. Speeds of | |
453 | 400kbps are typical but up to 3.4Mbps is supported by some | |
454 | hardware. I2C can be useful in SPL to configure power management | |
455 | ICs (PMICs) before raising the CPU clock speed, for example. | |
456 | Enable this option to build the drivers in drivers/i2c as part of | |
457 | an SPL build. | |
458 | ||
459 | config SPL_LIBCOMMON_SUPPORT | |
460 | bool "Support common libraries" | |
11bde1cd SG |
461 | help |
462 | Enable support for common U-Boot libraries within SPL. These | |
463 | libraries include common code to deal with U-Boot images, | |
464 | environment and USB, for example. This option is enabled on many | |
465 | boards. Enable this option to build the code in common/ as part of | |
466 | an SPL build. | |
467 | ||
468 | config SPL_LIBDISK_SUPPORT | |
00416704 | 469 | bool "Support disk partitions" |
91ff6865 | 470 | select PARTITIONS |
11bde1cd SG |
471 | help |
472 | Enable support for disk partitions within SPL. 'Disk' is something | |
473 | of a misnomer as it includes non-spinning media such as flash (as | |
474 | used in MMC and USB sticks). Partitions provide a way for a disk | |
475 | to be split up into separate regions, with a partition table placed | |
476 | at the start or end which describes the location and size of each | |
477 | 'partition'. These partitions are typically uses as individual block | |
478 | devices, typically with an EXT2 or FAT filesystem in each. This | |
479 | option enables whatever partition support has been enabled in | |
480 | U-Boot to also be used in SPL. It brings in the code in disk/. | |
481 | ||
482 | config SPL_LIBGENERIC_SUPPORT | |
483 | bool "Support generic libraries" | |
11bde1cd SG |
484 | help |
485 | Enable support for generic U-Boot libraries within SPL. These | |
486 | libraries include generic code to deal with device tree, hashing, | |
487 | printf(), compression and the like. This option is enabled on many | |
488 | boards. Enable this option to build the code in lib/ as part of an | |
489 | SPL build. | |
490 | ||
88027419 LV |
491 | config SPL_DM_MAILBOX |
492 | bool "Support Mailbox" | |
493 | help | |
494 | Enable support for Mailbox within SPL. This enable the inter | |
495 | processor communication protocols tobe used within SPL. Enable | |
496 | this option to build the drivers in drivers/mailbox as part of | |
497 | SPL build. | |
498 | ||
11bde1cd SG |
499 | config SPL_MMC_SUPPORT |
500 | bool "Support MMC" | |
226498b8 | 501 | depends on MMC |
91ff6865 | 502 | select HAVE_BLOCK_DEVICE |
11bde1cd SG |
503 | help |
504 | Enable support for MMC (Multimedia Card) within SPL. This enables | |
505 | the MMC protocol implementation and allows any enabled drivers to | |
506 | be used within SPL. MMC can be used with or without disk partition | |
507 | support depending on the application (SPL_LIBDISK_SUPPORT). Enable | |
508 | this option to build the drivers in drivers/mmc as part of an SPL | |
509 | build. | |
510 | ||
d6400c3f JJH |
511 | config SPL_MMC_WRITE |
512 | bool "MMC/SD/SDIO card support for write operations in SPL" | |
513 | depends on SPL_MMC_SUPPORT | |
514 | default n | |
515 | help | |
516 | Enable write access to MMC and SD Cards in SPL | |
517 | ||
518 | ||
11bde1cd SG |
519 | config SPL_MPC8XXX_INIT_DDR_SUPPORT |
520 | bool "Support MPC8XXX DDR init" | |
11bde1cd SG |
521 | help |
522 | Enable support for DDR-SDRAM (double-data-rate synchronous dynamic | |
523 | random-access memory) on the MPC8XXX family within SPL. This | |
524 | allows DRAM to be set up before loading U-Boot into that DRAM, | |
525 | where it can run. | |
526 | ||
527 | config SPL_MTD_SUPPORT | |
528 | bool "Support MTD drivers" | |
11bde1cd SG |
529 | help |
530 | Enable support for MTD (Memory Technology Device) within SPL. MTD | |
531 | provides a block interface over raw NAND and can also be used with | |
532 | SPI flash. This allows SPL to load U-Boot from supported MTD | |
533 | devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how | |
534 | to enable specific MTD drivers. | |
535 | ||
536 | config SPL_MUSB_NEW_SUPPORT | |
537 | bool "Support new Mentor Graphics USB" | |
11bde1cd SG |
538 | help |
539 | Enable support for Mentor Graphics USB in SPL. This is a new | |
540 | driver used by some boards. Enable this option to build | |
541 | the drivers in drivers/usb/musb-new as part of an SPL build. The | |
542 | old drivers are in drivers/usb/musb. | |
543 | ||
544 | config SPL_NAND_SUPPORT | |
545 | bool "Support NAND flash" | |
11bde1cd SG |
546 | help |
547 | Enable support for NAND (Negative AND) flash in SPL. NAND flash | |
548 | can be used to allow SPL to load U-Boot from supported devices. | |
a430fa06 | 549 | This enables the drivers in drivers/mtd/nand/raw as part of an SPL |
11bde1cd SG |
550 | build. |
551 | ||
552 | config SPL_NET_SUPPORT | |
553 | bool "Support networking" | |
11bde1cd SG |
554 | help |
555 | Enable support for network devices (such as Ethernet) in SPL. | |
556 | This permits SPL to load U-Boot over a network link rather than | |
557 | from an on-board peripheral. Environment support is required since | |
558 | the network stack uses a number of environment variables. See also | |
559 | SPL_ETH_SUPPORT. | |
560 | ||
561 | if SPL_NET_SUPPORT | |
562 | config SPL_NET_VCI_STRING | |
563 | string "BOOTP Vendor Class Identifier string sent by SPL" | |
564 | help | |
565 | As defined by RFC 2132 the vendor class identifier field can be | |
566 | sent by the client to identify the vendor type and configuration | |
567 | of a client. This is often used in practice to allow for the DHCP | |
568 | server to specify different files to load depending on if the ROM, | |
569 | SPL or U-Boot itself makes the request | |
570 | endif # if SPL_NET_SUPPORT | |
571 | ||
572 | config SPL_NO_CPU_SUPPORT | |
573 | bool "Drop CPU code in SPL" | |
11bde1cd SG |
574 | help |
575 | This is specific to the ARM926EJ-S CPU. It disables the standard | |
576 | start.S start-up code, presumably so that a replacement can be | |
577 | used on that CPU. You should not enable it unless you know what | |
578 | you are doing. | |
579 | ||
580 | config SPL_NOR_SUPPORT | |
581 | bool "Support NOR flash" | |
11bde1cd SG |
582 | help |
583 | Enable support for loading U-Boot from memory-mapped NOR (Negative | |
584 | OR) flash in SPL. NOR flash is slow to write but fast to read, and | |
585 | a memory-mapped device makes it very easy to access. Loading from | |
586 | NOR is typically achieved with just a memcpy(). | |
587 | ||
c6d9e9db VM |
588 | config SPL_XIP_SUPPORT |
589 | bool "Support XIP" | |
590 | depends on SPL | |
591 | help | |
592 | Enable support for execute in place of U-Boot or kernel image. There | |
593 | is no need to copy image from flash to ram if flash supports execute | |
594 | in place. Its very useful in systems having enough flash but not | |
595 | enough ram to load the image. | |
596 | ||
11bde1cd SG |
597 | config SPL_ONENAND_SUPPORT |
598 | bool "Support OneNAND flash" | |
11bde1cd SG |
599 | help |
600 | Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is | |
601 | a type of NAND flash and therefore can be used to allow SPL to | |
602 | load U-Boot from supported devices. This enables the drivers in | |
603 | drivers/mtd/onenand as part of an SPL build. | |
604 | ||
c20ae2ff HS |
605 | config SPL_OS_BOOT |
606 | bool "Activate Falcon Mode" | |
226498b8 | 607 | depends on !TI_SECURE_DEVICE |
c20ae2ff HS |
608 | default n |
609 | help | |
610 | Enable booting directly to an OS from SPL. | |
611 | for more info read doc/README.falcon | |
612 | ||
29d3bc79 HS |
613 | if SPL_OS_BOOT |
614 | config SYS_OS_BASE | |
615 | hex "addr, where OS is found" | |
226498b8 | 616 | depends on SPL_NOR_SUPPORT |
29d3bc79 HS |
617 | help |
618 | Specify the address, where the OS image is found, which | |
619 | gets booted. | |
620 | ||
621 | endif # SPL_OS_BOOT | |
622 | ||
7550dbe3 YS |
623 | config SPL_PAYLOAD |
624 | string "SPL payload" | |
625 | default "tpl/u-boot-with-tpl.bin" if TPL | |
626 | default "u-boot.bin" | |
627 | help | |
2dcfa058 | 628 | Payload for SPL boot. For backward compatibility, default to |
7550dbe3 YS |
629 | u-boot.bin, i.e. RAW image without any header. In case of |
630 | TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to | |
631 | use u-boot.img. | |
632 | ||
d50d6817 | 633 | config SPL_PCI |
2446b6b8 | 634 | bool "Support PCI drivers" |
2446b6b8 SG |
635 | help |
636 | Enable support for PCI in SPL. For platforms that need PCI to boot, | |
637 | or must perform some init using PCI in SPL, this provides the | |
638 | necessary driver support. This enables the drivers in drivers/pci | |
639 | as part of an SPL build. | |
640 | ||
bbe41abf SG |
641 | config SPL_PCH_SUPPORT |
642 | bool "Support PCH drivers" | |
bbe41abf SG |
643 | help |
644 | Enable support for PCH (Platform Controller Hub) devices in SPL. | |
645 | These are used to set up GPIOs and the SPI peripheral early in | |
646 | boot. This enables the drivers in drivers/pch as part of an SPL | |
647 | build. | |
648 | ||
11bde1cd SG |
649 | config SPL_POST_MEM_SUPPORT |
650 | bool "Support POST drivers" | |
11bde1cd SG |
651 | help |
652 | Enable support for POST (Power-on Self Test) in SPL. POST is a | |
653 | procedure that checks that the hardware (CPU or board) appears to | |
654 | be functionally correctly. It is a sanity check that can be | |
655 | performed before booting. This enables the drivers in post/drivers | |
656 | as part of an SPL build. | |
657 | ||
bfc6bae8 | 658 | config SPL_DM_RESET |
0e373c0a PD |
659 | bool "Support reset drivers" |
660 | depends on SPL | |
661 | help | |
662 | Enable support for reset control in SPL. | |
663 | That can be useful in SPL to handle IP reset in driver, as in U-Boot, | |
664 | by using the generic reset API provided by driver model. | |
665 | This enables the drivers in drivers/reset as part of an SPL build. | |
666 | ||
11bde1cd SG |
667 | config SPL_POWER_SUPPORT |
668 | bool "Support power drivers" | |
11bde1cd SG |
669 | help |
670 | Enable support for power control in SPL. This includes support | |
671 | for PMICs (Power-management Integrated Circuits) and some of the | |
672 | features provided by PMICs. In particular, voltage regulators can | |
673 | be used to enable/disable power and vary its voltage. That can be | |
674 | useful in SPL to turn on boot peripherals and adjust CPU voltage | |
675 | so that the clock speed can be increased. This enables the drivers | |
676 | in drivers/power, drivers/power/pmic and drivers/power/regulator | |
677 | as part of an SPL build. | |
678 | ||
e13278c9 PF |
679 | config SPL_POWER_DOMAIN |
680 | bool "Support power domain drivers" | |
681 | help | |
682 | Enable support for power domain control in SPL. Many SoCs allow | |
683 | power to be applied to or removed from portions of the SoC (power | |
684 | domains). This may be used to save power. This API provides the | |
685 | means to control such power management hardware. This enables | |
686 | the drivers in drivers/power/domain as part of a SPL build. | |
687 | ||
22802f4e SA |
688 | config SPL_RAM_SUPPORT |
689 | bool "Support booting from RAM" | |
22802f4e SA |
690 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
691 | help | |
692 | Enable booting of an image in RAM. The image can be preloaded or | |
693 | it can be loaded by SPL directly into RAM (e.g. using USB). | |
694 | ||
f417d40f SA |
695 | config SPL_RAM_DEVICE |
696 | bool "Support booting from preloaded image in RAM" | |
22802f4e | 697 | depends on SPL_RAM_SUPPORT |
f417d40f SA |
698 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
699 | help | |
700 | Enable booting of an image already loaded in RAM. The image has to | |
701 | be already in memory when SPL takes over, e.g. loaded by the boot | |
702 | ROM. | |
703 | ||
08c45314 LV |
704 | config SPL_REMOTEPROC |
705 | bool "Support REMOTEPROCS" | |
706 | help | |
707 | Enable support for REMOTEPROCs in SPL. This permits to load | |
708 | a remote processor firmware in SPL. | |
709 | ||
30bf8a0d SG |
710 | config SPL_RTC_SUPPORT |
711 | bool "Support RTC drivers" | |
30bf8a0d SG |
712 | help |
713 | Enable RTC (Real-time Clock) support in SPL. This includes support | |
714 | for reading and setting the time. Some RTC devices also have some | |
715 | non-volatile (battery-backed) memory which is accessible if | |
716 | needed. This enables the drivers in drivers/rtc as part of an SPL | |
717 | build. | |
718 | ||
11bde1cd SG |
719 | config SPL_SATA_SUPPORT |
720 | bool "Support loading from SATA" | |
11bde1cd SG |
721 | help |
722 | Enable support for SATA (Serial AT attachment) in SPL. This allows | |
723 | use of SATA devices such as hard drives and flash drivers for | |
724 | loading U-Boot. SATA is used in higher-end embedded systems and | |
725 | can provide higher performance than MMC , at somewhat higher | |
726 | expense and power consumption. This enables loading from SATA | |
727 | using a configured device. | |
728 | ||
729 | config SPL_SERIAL_SUPPORT | |
730 | bool "Support serial" | |
14ad44ab AK |
731 | select SPL_PRINTF |
732 | select SPL_STRTO | |
11bde1cd SG |
733 | help |
734 | Enable support for serial in SPL. This allows use of a serial UART | |
735 | for displaying messages while SPL is running. It also brings in | |
736 | printf() and panic() functions. This should normally be enabled | |
737 | unless there are space reasons not to. Even then, consider | |
738 | enabling USE_TINY_PRINTF which is a small printf() version. | |
739 | ||
740 | config SPL_SPI_FLASH_SUPPORT | |
741 | bool "Support SPI flash drivers" | |
11bde1cd SG |
742 | help |
743 | Enable support for using SPI flash in SPL, and loading U-Boot from | |
744 | SPI flash. SPI flash (Serial Peripheral Bus flash) is named after | |
745 | the SPI bus that is used to connect it to a system. It is a simple | |
746 | but fast bidirectional 4-wire bus (clock, chip select and two data | |
747 | lines). This enables the drivers in drivers/mtd/spi as part of an | |
748 | SPL build. This normally requires SPL_SPI_SUPPORT. | |
749 | ||
0c6f187c V |
750 | if SPL_SPI_FLASH_SUPPORT |
751 | ||
778572d7 V |
752 | config SPL_SPI_FLASH_TINY |
753 | bool "Enable low footprint SPL SPI Flash support" | |
754 | depends on !SPI_FLASH_BAR | |
72875978 | 755 | default y if SPI_FLASH |
778572d7 V |
756 | help |
757 | Enable lightweight SPL SPI Flash support that supports just reading | |
758 | data/images from flash. No support to write/erase flash. Enable | |
759 | this if you have SPL size limitations and don't need full | |
760 | fledged SPI flash support. | |
761 | ||
0c6f187c V |
762 | config SPL_SPI_FLASH_SFDP_SUPPORT |
763 | bool "SFDP table parsing support for SPI NOR flashes" | |
778572d7 | 764 | depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY |
0c6f187c V |
765 | help |
766 | Enable support for parsing and auto discovery of parameters for | |
767 | SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP) | |
768 | tables as per JESD216 standard in SPL. | |
769 | ||
55500438 MV |
770 | config SPL_SPI_LOAD |
771 | bool "Support loading from SPI flash" | |
55500438 MV |
772 | help |
773 | Enable support for loading next stage, U-Boot or otherwise, from | |
774 | SPI NOR in U-Boot SPL. | |
775 | ||
0c6f187c V |
776 | endif # SPL_SPI_FLASH_SUPPORT |
777 | ||
11bde1cd SG |
778 | config SPL_SPI_SUPPORT |
779 | bool "Support SPI drivers" | |
11bde1cd SG |
780 | help |
781 | Enable support for using SPI in SPL. This is used for connecting | |
782 | to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for | |
783 | more details on that. The SPI driver provides the transport for | |
784 | data between the SPI flash and the CPU. This option can be used to | |
785 | enable SPI drivers that are needed for other purposes also, such | |
786 | as a SPI PMIC. | |
787 | ||
8502f9f6 FA |
788 | config SPL_THERMAL |
789 | bool "Driver support for thermal devices" | |
790 | help | |
791 | Enable support for temperature-sensing devices. Some SoCs have on-chip | |
792 | temperature sensors to permit warnings, speed throttling or even | |
793 | automatic power-off when the temperature gets too high or low. Other | |
794 | devices may be discrete but connected on a suitable bus. | |
795 | ||
11bde1cd SG |
796 | config SPL_USB_HOST_SUPPORT |
797 | bool "Support USB host drivers" | |
91ff6865 | 798 | select HAVE_BLOCK_DEVICE |
11bde1cd SG |
799 | help |
800 | Enable access to USB (Universal Serial Bus) host devices so that | |
801 | SPL can load U-Boot from a connected USB peripheral, such as a USB | |
802 | flash stick. While USB takes a little longer to start up than most | |
803 | buses, it is very flexible since many different types of storage | |
804 | device can be attached. This option enables the drivers in | |
805 | drivers/usb/host as part of an SPL build. | |
806 | ||
79536013 | 807 | config SPL_USB_STORAGE |
11bde1cd | 808 | bool "Support loading from USB" |
79536013 | 809 | depends on SPL_USB_HOST_SUPPORT && !(BLK && !DM_USB) |
11bde1cd SG |
810 | help |
811 | Enable support for USB devices in SPL. This allows use of USB | |
812 | devices such as hard drives and flash drivers for loading U-Boot. | |
813 | The actual drivers are enabled separately using the normal U-Boot | |
814 | config options. This enables loading from USB using a configured | |
815 | device. | |
816 | ||
f811e976 | 817 | config SPL_USB_GADGET |
e94793c8 | 818 | bool "Suppport USB Gadget drivers" |
e94793c8 SA |
819 | help |
820 | Enable USB Gadget API which allows to enable USB device functions | |
821 | in SPL. | |
822 | ||
f811e976 | 823 | if SPL_USB_GADGET |
e94793c8 | 824 | |
b432b1eb | 825 | config SPL_USB_ETHER |
e94793c8 SA |
826 | bool "Support USB Ethernet drivers" |
827 | help | |
828 | Enable access to the USB network subsystem and associated | |
829 | drivers in SPL. This permits SPL to load U-Boot over a | |
830 | USB-connected Ethernet link (such as a USB Ethernet dongle) rather | |
831 | than from an onboard peripheral. Environment support is required | |
832 | since the network stack uses a number of environment variables. | |
833 | See also SPL_NET_SUPPORT and SPL_ETH_SUPPORT. | |
834 | ||
6536ca4d | 835 | config SPL_DFU |
c3c19c27 | 836 | bool "Support DFU (Device Firmware Upgrade)" |
5991703e | 837 | select SPL_HASH_SUPPORT |
66928afb | 838 | select SPL_DFU_NO_RESET |
1b19cbdb | 839 | depends on SPL_RAM_SUPPORT |
5991703e | 840 | help |
c3c19c27 | 841 | This feature enables the DFU (Device Firmware Upgrade) in SPL with |
5991703e SA |
842 | RAM memory device support. The ROM code will load and execute |
843 | the SPL built with dfu. The user can load binaries (u-boot/kernel) to | |
844 | selected device partition from host-pc using dfu-utils. | |
845 | This feature is useful to flash the binaries to factory or bare-metal | |
846 | boards using USB interface. | |
847 | ||
848 | choice | |
849 | bool "DFU device selection" | |
6536ca4d | 850 | depends on SPL_DFU |
5991703e SA |
851 | |
852 | config SPL_DFU_RAM | |
853 | bool "RAM device" | |
6536ca4d | 854 | depends on SPL_DFU && SPL_RAM_SUPPORT |
5991703e SA |
855 | help |
856 | select RAM/DDR memory device for loading binary images | |
857 | (u-boot/kernel) to the selected device partition using | |
858 | DFU and execute the u-boot/kernel from RAM. | |
859 | ||
860 | endchoice | |
861 | ||
a3774c1c SA |
862 | config SPL_USB_SDP_SUPPORT |
863 | bool "Support SDP (Serial Download Protocol)" | |
864 | help | |
865 | Enable Serial Download Protocol (SDP) device support in SPL. This | |
866 | allows to download images into memory and execute (jump to) them | |
867 | using the same protocol as implemented by the i.MX family's boot ROM. | |
e94793c8 SA |
868 | endif |
869 | ||
11bde1cd SG |
870 | config SPL_WATCHDOG_SUPPORT |
871 | bool "Support watchdog drivers" | |
11bde1cd SG |
872 | help |
873 | Enable support for watchdog drivers in SPL. A watchdog is | |
874 | typically a hardware peripheral which can reset the system when it | |
875 | detects no activity for a while (such as a software crash). This | |
876 | enables the drivers in drivers/watchdog as part of an SPL build. | |
877 | ||
878 | config SPL_YMODEM_SUPPORT | |
879 | bool "Support loading using Ymodem" | |
3bac19ce | 880 | depends on SPL_SERIAL_SUPPORT |
11bde1cd SG |
881 | help |
882 | While loading from serial is slow it can be a useful backup when | |
883 | there is no other option. The Ymodem protocol provides a reliable | |
884 | means of transmitting U-Boot over a serial line for using in SPL, | |
885 | with a checksum to ensure correctness. | |
886 | ||
aa122f6b | 887 | config SPL_ATF |
bcc1726a | 888 | bool "Support ARM Trusted Firmware" |
226498b8 | 889 | depends on ARM64 |
bcc1726a | 890 | help |
d21fb63d PT |
891 | ATF(ARM Trusted Firmware) is a component for ARM AArch64 which |
892 | is loaded by SPL (which is considered as BL2 in ATF terminology). | |
bcc1726a KY |
893 | More detail at: https://github.com/ARM-software/arm-trusted-firmware |
894 | ||
d21fb63d PT |
895 | config SPL_ATF_NO_PLATFORM_PARAM |
896 | bool "Pass no platform parameter" | |
897 | depends on SPL_ATF | |
898 | help | |
899 | While we expect to call a pointer to a valid FDT (or NULL) | |
900 | as the platform parameter to an ATF, some ATF versions are | |
901 | not U-Boot aware and have an insufficiently robust parameter | |
902 | validation to gracefully reject a FDT being passed. | |
903 | ||
904 | If this option is enabled, the spl_atf os-type handler will | |
905 | always pass NULL for the platform parameter. | |
906 | ||
907 | If your ATF is affected, say Y. | |
908 | ||
3bf5f13c AK |
909 | config SPL_AM33XX_ENABLE_RTC32K_OSC |
910 | bool "Enable the RTC32K OSC on AM33xx based platforms" | |
911 | default y if AM33XX | |
912 | help | |
913 | Enable access to the AM33xx RTC and select the external 32kHz clock | |
914 | source. | |
915 | ||
70fe2876 KY |
916 | config SPL_OPTEE |
917 | bool "Support OP-TEE Trusted OS" | |
918 | depends on ARM | |
919 | help | |
920 | OP-TEE is an open source Trusted OS which is loaded by SPL. | |
921 | More detail at: https://github.com/OP-TEE/optee_os | |
922 | ||
226498b8 TR |
923 | config TPL |
924 | bool | |
925 | depends on SUPPORT_TPL | |
926 | prompt "Enable TPL" | |
927 | help | |
928 | If you want to build TPL as well as the normal image and SPL, say Y. | |
929 | ||
930 | if TPL | |
931 | ||
b0edea3c SG |
932 | config TPL_HANDOFF |
933 | bool "Pass hand-off information from TPL to SPL and U-Boot proper" | |
934 | depends on HANDOFF | |
935 | default y | |
936 | help | |
937 | This option enables TPL to write handoff information. This can be | |
938 | used to pass information like the size of SDRAM from TPL to U-Boot | |
939 | proper. The information is also available to SPL if it is useful | |
940 | there. | |
941 | ||
af2f4426 KY |
942 | config TPL_BOARD_INIT |
943 | bool "Call board-specific initialization in TPL" | |
944 | help | |
945 | If this option is enabled, U-Boot will call the function | |
946 | spl_board_init() from board_init_r(). This function should be | |
947 | provided by the board. | |
948 | ||
dd6fbcb9 PT |
949 | config TPL_LDSCRIPT |
950 | string "Linker script for the TPL stage" | |
951 | depends on TPL | |
2f41ade7 TR |
952 | default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64 |
953 | default "arch/$(ARCH)/cpu/u-boot-spl.lds" | |
dd6fbcb9 PT |
954 | help |
955 | The TPL stage will usually require a different linker-script | |
956 | (as it runs from a different memory region) than the regular | |
957 | U-Boot stage. Set this to the path of the linker-script to | |
958 | be used for TPL. | |
959 | ||
b3ed6ce7 PT |
960 | May be left empty to trigger the Makefile infrastructure to |
961 | fall back to the linker-script used for the SPL stage. | |
962 | ||
963 | config TPL_NEEDS_SEPARATE_TEXT_BASE | |
964 | bool "TPL needs a separate text-base" | |
965 | default n | |
966 | depends on TPL | |
967 | help | |
968 | Enable, if the TPL stage should not inherit its text-base | |
969 | from the SPL stage. When enabled, a base address for the | |
970 | .text sections of the TPL stage has to be set below. | |
971 | ||
972 | config TPL_NEEDS_SEPARATE_STACK | |
973 | bool "TPL needs a separate initial stack-pointer" | |
974 | default n | |
975 | depends on TPL | |
976 | help | |
977 | Enable, if the TPL stage should not inherit its initial | |
978 | stack-pointer from the settings for the SPL stage. | |
979 | ||
980 | config TPL_TEXT_BASE | |
981 | hex "Base address for the .text section of the TPL stage" | |
982 | depends on TPL_NEEDS_SEPARATE_TEXT_BASE | |
983 | help | |
984 | The base address for the .text section of the TPL stage. | |
985 | ||
986 | config TPL_MAX_SIZE | |
987 | int "Maximum size (in bytes) for the TPL stage" | |
5aa49af3 | 988 | default 0 |
b3ed6ce7 PT |
989 | depends on TPL |
990 | help | |
991 | The maximum size (in bytes) of the TPL stage. | |
992 | ||
993 | config TPL_STACK | |
994 | hex "Address of the initial stack-pointer for the TPL stage" | |
995 | depends on TPL_NEEDS_SEPARATE_STACK | |
996 | help | |
997 | The address of the initial stack-pointer for the TPL stage. | |
998 | Usually this will be the (aligned) top-of-stack. | |
999 | ||
a954fa32 PT |
1000 | config TPL_BOOTROM_SUPPORT |
1001 | bool "Support returning to the BOOTROM (from TPL)" | |
1002 | help | |
1003 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
1004 | ROM for loading the next boot-stage after performing basic setup | |
1005 | from the TPL stage. | |
1006 | ||
1007 | Enable this option, to return to the BOOTROM through the | |
1008 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
1009 | boot device list, if not implemented for a given board) | |
1010 | ||
c3916e7b PT |
1011 | config TPL_DRIVERS_MISC_SUPPORT |
1012 | bool "Support misc drivers in TPL" | |
1013 | help | |
1014 | Enable miscellaneous drivers in TPL. These drivers perform various | |
1015 | tasks that don't fall nicely into other categories, Enable this | |
1016 | option to build the drivers in drivers/misc as part of an TPL | |
1017 | build, for those that support building in TPL (not all drivers do). | |
1018 | ||
f73329ee SG |
1019 | config TPL_ENV_SUPPORT |
1020 | bool "Support an environment" | |
f73329ee SG |
1021 | help |
1022 | Enable environment support in TPL. See SPL_ENV_SUPPORT for details. | |
1023 | ||
2d424eb0 SG |
1024 | config TPL_GPIO_SUPPORT |
1025 | bool "Support GPIO in TPL" | |
1026 | help | |
1027 | Enable support for GPIOs (General-purpose Input/Output) in TPL. | |
1028 | GPIOs allow U-Boot to read the state of an input line (high or | |
1029 | low) and set the state of an output line. This can be used to | |
1030 | drive LEDs, control power to various system parts and read user | |
1031 | input. GPIOs can be useful in TPL to enable a 'sign-of-life' LED, | |
1032 | for example. Enable this option to build the drivers in | |
1033 | drivers/gpio as part of an TPL build. | |
1034 | ||
f73329ee SG |
1035 | config TPL_I2C_SUPPORT |
1036 | bool "Support I2C" | |
f73329ee | 1037 | help |
616bd09e | 1038 | Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for |
f73329ee SG |
1039 | details. |
1040 | ||
1041 | config TPL_LIBCOMMON_SUPPORT | |
1042 | bool "Support common libraries" | |
f73329ee SG |
1043 | help |
1044 | Enable support for common U-Boot libraries within TPL. See | |
1045 | SPL_LIBCOMMON_SUPPORT for details. | |
1046 | ||
1047 | config TPL_LIBGENERIC_SUPPORT | |
1048 | bool "Support generic libraries" | |
f73329ee SG |
1049 | help |
1050 | Enable support for generic U-Boot libraries within TPL. See | |
1051 | SPL_LIBGENERIC_SUPPORT for details. | |
1052 | ||
1053 | config TPL_MPC8XXX_INIT_DDR_SUPPORT | |
1054 | bool "Support MPC8XXX DDR init" | |
f73329ee SG |
1055 | help |
1056 | Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See | |
1057 | SPL_MPC8XXX_INIT_DDR_SUPPORT for details. | |
1058 | ||
1059 | config TPL_MMC_SUPPORT | |
1060 | bool "Support MMC" | |
226498b8 | 1061 | depends on MMC |
f73329ee SG |
1062 | help |
1063 | Enable support for MMC within TPL. See SPL_MMC_SUPPORT for details. | |
1064 | ||
1065 | config TPL_NAND_SUPPORT | |
1066 | bool "Support NAND flash" | |
f73329ee | 1067 | help |
616bd09e | 1068 | Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. |
f73329ee | 1069 | |
d50d6817 | 1070 | config TPL_PCI |
2d424eb0 SG |
1071 | bool "Support PCI drivers" |
1072 | help | |
1073 | Enable support for PCI in TPL. For platforms that need PCI to boot, | |
1074 | or must perform some init using PCI in SPL, this provides the | |
1075 | necessary driver support. This enables the drivers in drivers/pci | |
1076 | as part of a TPL build. | |
1077 | ||
1078 | config TPL_PCH_SUPPORT | |
1079 | bool "Support PCH drivers" | |
1080 | help | |
1081 | Enable support for PCH (Platform Controller Hub) devices in TPL. | |
1082 | These are used to set up GPIOs and the SPI peripheral early in | |
1083 | boot. This enables the drivers in drivers/pch as part of a TPL | |
1084 | build. | |
1085 | ||
d79dfd45 MV |
1086 | config TPL_RAM_SUPPORT |
1087 | bool "Support booting from RAM" | |
1088 | help | |
1089 | Enable booting of an image in RAM. The image can be preloaded or | |
1090 | it can be loaded by TPL directly into RAM (e.g. using USB). | |
1091 | ||
1092 | config TPL_RAM_DEVICE | |
1093 | bool "Support booting from preloaded image in RAM" | |
1094 | depends on TPL_RAM_SUPPORT | |
1095 | help | |
1096 | Enable booting of an image already loaded in RAM. The image has to | |
1097 | be already in memory when TPL takes over, e.g. loaded by the boot | |
1098 | ROM. | |
1099 | ||
2d424eb0 SG |
1100 | config TPL_RTC_SUPPORT |
1101 | bool "Support RTC drivers" | |
1102 | help | |
1103 | Enable RTC (Real-time Clock) support in TPL. This includes support | |
1104 | for reading and setting the time. Some RTC devices also have some | |
1105 | non-volatile (battery-backed) memory which is accessible if | |
1106 | needed. This enables the drivers in drivers/rtc as part of an TPL | |
1107 | build. | |
1108 | ||
f73329ee SG |
1109 | config TPL_SERIAL_SUPPORT |
1110 | bool "Support serial" | |
14ad44ab AK |
1111 | select TPL_PRINTF |
1112 | select TPL_STRTO | |
f73329ee | 1113 | help |
616bd09e | 1114 | Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for |
f73329ee SG |
1115 | details. |
1116 | ||
1117 | config TPL_SPI_FLASH_SUPPORT | |
1118 | bool "Support SPI flash drivers" | |
f73329ee | 1119 | help |
616bd09e | 1120 | Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT |
f73329ee SG |
1121 | for details. |
1122 | ||
1e725e27 MV |
1123 | config TPL_SPI_LOAD |
1124 | bool "Support loading from SPI flash" | |
1125 | depends on TPL_SPI_FLASH_SUPPORT | |
1126 | help | |
1127 | Enable support for loading next stage, U-Boot or otherwise, from | |
1128 | SPI NOR in U-Boot TPL. | |
1129 | ||
f73329ee SG |
1130 | config TPL_SPI_SUPPORT |
1131 | bool "Support SPI drivers" | |
f73329ee | 1132 | help |
616bd09e | 1133 | Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for |
f73329ee SG |
1134 | details. |
1135 | ||
6ce3d67c MV |
1136 | config TPL_YMODEM_SUPPORT |
1137 | bool "Support loading using Ymodem" | |
3bac19ce | 1138 | depends on TPL_SERIAL_SUPPORT |
6ce3d67c MV |
1139 | help |
1140 | While loading from serial is slow it can be a useful backup when | |
1141 | there is no other option. The Ymodem protocol provides a reliable | |
1142 | means of transmitting U-Boot over a serial line for using in TPL, | |
1143 | with a checksum to ensure correctness. | |
1144 | ||
226498b8 TR |
1145 | endif # TPL |
1146 | ||
1147 | endif # SPL | |
11bde1cd | 1148 | endmenu |