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Commit | Line | Data |
---|---|---|
f86ca5ad | 1 | menu "SPL / TPL / VPL" |
11bde1cd | 2 | |
c2ae7d82 SG |
3 | config SUPPORT_SPL |
4 | bool | |
5 | ||
6 | config SUPPORT_TPL | |
7 | bool | |
8 | ||
f86ca5ad SG |
9 | config SUPPORT_VPL |
10 | bool | |
11 | ||
66928afb R |
12 | config SPL_DFU_NO_RESET |
13 | bool | |
14 | ||
c2ae7d82 SG |
15 | config SPL |
16 | bool | |
17 | depends on SUPPORT_SPL | |
18 | prompt "Enable SPL" | |
19 | help | |
20 | If you want to build SPL as well as the normal image, say Y. | |
21 | ||
75670c81 TR |
22 | config SPL_FRAMEWORK |
23 | bool "Support SPL based upon the common SPL framework" | |
24 | depends on SPL | |
25 | default y | |
26 | help | |
27 | Enable the SPL framework under common/spl/. This framework | |
28 | supports MMC, NAND and YMODEM and other methods loading of U-Boot | |
29 | and the Linux Kernel. If unsure, say Y. | |
30 | ||
a9a3aada PR |
31 | config SPL_FRAMEWORK_BOARD_INIT_F |
32 | bool "Define a generic function board_init_f" | |
33 | depends on SPL_FRAMEWORK | |
34 | help | |
35 | Define a generic function board_init_f that: | |
36 | - initialize the spl (spl_early_init) | |
37 | - initialize the serial (preloader_console_init) | |
38 | Unless you want to provide your own board_init_f, you should say Y. | |
39 | ||
2577015d | 40 | config SPL_SIZE_LIMIT |
b51882d0 | 41 | hex "Maximum size of SPL image" |
2577015d | 42 | depends on SPL |
2dfdd0c4 OP |
43 | default 0x11000 if ARCH_MX6 && !MX6_OCRAM_256KB |
44 | default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB | |
45 | default 0x0 | |
2577015d SG |
46 | help |
47 | Specifies the maximum length of the U-Boot SPL image. | |
48 | If this value is zero, it is ignored. | |
49 | ||
50 | config SPL_SIZE_LIMIT_SUBTRACT_GD | |
51 | bool "SPL image size check: provide space for global data" | |
52 | depends on SPL_SIZE_LIMIT > 0 | |
53 | help | |
54 | If enabled, aligned size of global data is reserved in | |
55 | SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM | |
56 | if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when | |
57 | pre-reloc global data is put into this SRAM, too. | |
58 | ||
59 | config SPL_SIZE_LIMIT_SUBTRACT_MALLOC | |
60 | bool "SPL image size check: provide space for malloc() pool before relocation" | |
61 | depends on SPL_SIZE_LIMIT > 0 | |
62 | help | |
63 | If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check | |
64 | to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT | |
65 | describes the size of SRAM available for SPL when pre-reloc malloc | |
66 | pool is put into this SRAM, too. | |
67 | ||
68 | config SPL_SIZE_LIMIT_PROVIDE_STACK | |
69 | hex "SPL image size check: provide stack space before relocation" | |
70 | depends on SPL_SIZE_LIMIT > 0 | |
71 | default 0 | |
72 | help | |
73 | If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such | |
74 | an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size | |
75 | of SRAM available for SPL when the stack required before reolcation | |
76 | uses this SRAM, too. | |
77 | ||
ca8a329a TR |
78 | config SPL_MAX_SIZE |
79 | hex "Maximum size of the SPL image, excluding BSS" | |
80 | default 0x30000 if ARCH_MX6 && MX6_OCRAM_256KB | |
81 | default 0x1b000 if AM33XX && !TI_SECURE_DEVICE | |
82 | default 0x10000 if ARCH_MX6 && !MX6_OCRAM_256KB | |
83 | default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x10000 | |
84 | default 0x7fa0 if SUNXI_SRAM_ADDRESS = 0x20000 && !MACH_SUN50I_H616 | |
85 | default 0x7000 if RCAR_GEN3 | |
86 | default 0x5fa0 if SUNXI_SRAM_ADDRESS = 0x0 | |
87 | default 0x0 | |
88 | help | |
89 | Maximum size of the SPL image (text, data, rodata, and linker lists | |
90 | sections), BSS excluded. When defined, the linker checks that the | |
91 | actual size does not exceed it. | |
92 | ||
93 | config SPL_PAD_TO | |
94 | hex "Offset to which the SPL should be padded before appending the SPL payload" | |
95 | default 0x31000 if ARCH_MX6 && MX6_OCRAM_256KB | |
96 | default 0x11000 if ARCH_MX7 || (ARCH_MX6 && !MX6_OCRAM_256KB) | |
97 | default 0x10000 if ARCH_KEYSTONE | |
98 | default 0x8000 if ARCH_SUNXI && !MACH_SUN50I_H616 | |
99 | default TPL_MAX_SIZE if TPL_MAX_SIZE > SPL_MAX_SIZE | |
100 | default SPL_MAX_SIZE | |
101 | help | |
102 | Image offset to which the SPL should be padded before appending the | |
103 | SPL payload. By default, this is defined as CONFIG_SPL_MAX_SIZE, or 0 if | |
104 | CONFIG_SPL_MAX_SIZE is undefined. CONFIG_SPL_PAD_TO must be either | |
105 | 0, meaning to append the SPL payload without any padding, or >= | |
106 | CONFIG_SPL_MAX_SIZE. | |
107 | ||
d8c03320 SG |
108 | config SPL_SYS_STACK_F_CHECK_BYTE |
109 | hex | |
110 | default 0xaa | |
111 | help | |
112 | Constant used to check the stack | |
113 | ||
114 | config SPL_SYS_REPORT_STACK_F_USAGE | |
115 | depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0 | |
116 | bool "Check and report stack usage in SPL before relocation" | |
117 | help | |
118 | If this option is enabled, the initial SPL stack is filled with 0xaa | |
119 | very early, up to the size configured with | |
120 | SPL_SIZE_LIMIT_PROVIDE_STACK. | |
121 | Later when SPL is done using this initial stack and switches to a | |
122 | stack in DRAM, the actually used size of this initial stack is | |
123 | reported by examining the memory and searching for the lowest | |
124 | occurrence of non 0xaa bytes. | |
125 | This default implementation works for stacks growing down only. | |
126 | ||
7d84fbb5 SG |
127 | config SPL_SHOW_ERRORS |
128 | bool "Show more information when something goes wrong" | |
129 | help | |
130 | This enabled more verbose error messages and checking when something | |
131 | goes wrong in SPL. For example, it shows the error code when U-Boot | |
132 | cannot be located. This can help to diagnose the problem and figure | |
133 | out a fix, particularly during development. | |
134 | ||
135 | This adds a small amount to SPL code size, perhaps 100 bytes. | |
136 | ||
38c04d8e SG |
137 | config SPL_BINMAN_SYMBOLS |
138 | bool "Declare binman symbols in SPL" | |
139 | depends on SPL_FRAMEWORK && BINMAN | |
140 | default y | |
141 | help | |
142 | This enables use of symbols in SPL which refer to U-Boot, enabling SPL | |
143 | to obtain the location of U-Boot simply by calling spl_get_image_pos() | |
144 | and spl_get_image_size(). | |
145 | ||
146 | For this to work, you must have a U-Boot image in the binman image, so | |
147 | binman can update SPL with the location of it. | |
148 | ||
5d168adf | 149 | menu "PowerPC and LayerScape SPL Boot options" |
db4080d5 TR |
150 | |
151 | config SPL_NAND_BOOT | |
152 | bool "Load SPL from NAND flash" | |
5d168adf | 153 | depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK) |
db4080d5 TR |
154 | |
155 | config SPL_MMC_BOOT | |
156 | bool "Load SPL from SD Card / eMMC" | |
5d168adf | 157 | depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK) |
db4080d5 TR |
158 | |
159 | config SPL_SPI_BOOT | |
160 | bool "Load SPL from SPI flash" | |
5d168adf | 161 | depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK) |
db4080d5 TR |
162 | |
163 | config SPL_FSL_PBL | |
164 | bool "Create SPL in Freescale PBI format" | |
5d168adf AW |
165 | depends on (PPC || ARCH_LS1021A || ARCH_LS1043A || ARCH_LS1046A) && \ |
166 | SUPPORT_SPL | |
db4080d5 TR |
167 | help |
168 | Create boot binary having SPL binary in PBI format concatenated with | |
169 | u-boot binary. | |
170 | ||
171 | endmenu | |
172 | ||
b35316fb TR |
173 | menu "PowerPC SPL specific options" |
174 | depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK) | |
175 | ||
176 | config SPL_INIT_MINIMAL | |
177 | bool "Arch init code will be built for a very small image" | |
178 | ||
179 | config SPL_FLUSH_IMAGE | |
180 | bool "Clean dcache and invalidate icache after loading the image" | |
181 | ||
182 | config SPL_SKIP_RELOCATE | |
183 | bool "Skip relocating SPL" | |
184 | ||
185 | endmenu | |
186 | ||
b0edea3c SG |
187 | config HANDOFF |
188 | bool "Pass hand-off information from SPL to U-Boot proper" | |
2a7c9ab4 | 189 | depends on SPL && BLOBLIST |
b0edea3c SG |
190 | help |
191 | It is useful to be able to pass information from SPL to U-Boot | |
192 | proper to preserve state that is known in SPL and is needed in U-Boot. | |
193 | Enable this to locate the handoff information in U-Boot proper, early | |
194 | in boot. It is available in gd->handoff. The state state is set up | |
195 | in SPL (or TPL if that is being used). | |
196 | ||
226498b8 TR |
197 | if SPL |
198 | ||
b0edea3c SG |
199 | config SPL_HANDOFF |
200 | bool "Pass hand-off information from SPL to U-Boot proper" | |
a7da3d98 | 201 | depends on HANDOFF && SPL_BLOBLIST |
b0edea3c SG |
202 | default y |
203 | help | |
204 | This option enables SPL to write handoff information. This can be | |
205 | used to pass information like the size of SDRAM from SPL to U-Boot | |
206 | proper. Also SPL can receive information from TPL in the same place | |
207 | if that is enabled. | |
208 | ||
dd6fbcb9 PT |
209 | config SPL_LDSCRIPT |
210 | string "Linker script for the SPL stage" | |
a356e7a8 | 211 | default "arch/\$(ARCH)/cpu/u-boot-spl.lds" |
dd6fbcb9 PT |
212 | help |
213 | The SPL stage will usually require a different linker-script | |
214 | (as it runs from a different memory region) than the regular | |
215 | U-Boot stage. Set this to the path of the linker-script to | |
216 | be used for SPL. | |
217 | ||
f89d6133 SG |
218 | config SPL_TEXT_BASE |
219 | hex "SPL Text Base" | |
220 | default ISW_ENTRY_ADDR if AM43XX || AM33XX || OMAP54XX || ARCH_KEYSTONE | |
9340d8fe | 221 | default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I |
44726096 | 222 | default 0x20060 if SUN50I_GEN_H6 |
9340d8fe | 223 | default 0x00060 if ARCH_SUNXI |
0413f9c3 | 224 | default 0xfffc0000 if ARCH_ZYNQMP |
f89d6133 SG |
225 | default 0x0 |
226 | help | |
227 | The address in memory that SPL will be running from. | |
228 | ||
0680f1b1 | 229 | config SPL_BOARD_INIT |
0680f1b1 LFT |
230 | bool "Call board-specific initialization in SPL" |
231 | help | |
232 | If this option is enabled, U-Boot will call the function | |
233 | spl_board_init() from board_init_r(). This function should be | |
234 | provided by the board. | |
235 | ||
747093dd SG |
236 | config VPL_BOARD_INIT |
237 | bool "Call board-specific initialization in VPL" | |
238 | help | |
239 | If this option is enabled, U-Boot will call the function | |
240 | spl_board_init() from board_init_r(). This function should be | |
241 | provided by the board. | |
242 | ||
225d30b7 | 243 | config SPL_BOOTROM_SUPPORT |
ce869b55 | 244 | bool "Support returning to the BOOTROM" |
225d30b7 PT |
245 | help |
246 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
247 | ROM for loading the next boot-stage after performing basic setup | |
248 | from the SPL stage. | |
249 | ||
250 | Enable this option, to return to the BOOTROM through the | |
251 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
252 | boot device list, if not implemented for a given board) | |
253 | ||
afa9609e LM |
254 | config SPL_BOOTCOUNT_LIMIT |
255 | bool "Support bootcount in SPL" | |
4d145f26 | 256 | depends on SPL_ENV_SUPPORT && !TPL_BOOTCOUNT_LIMIT |
afa9609e LM |
257 | help |
258 | On some boards, which use 'falcon' mode, it is necessary to check | |
259 | and increment the number of boot attempts. Such boards do not | |
260 | use proper U-Boot for normal boot flow and hence needs those | |
261 | adjustments to be done in the SPL. | |
262 | ||
24eb39b5 AD |
263 | config SPL_RAW_IMAGE_SUPPORT |
264 | bool "Support SPL loading and booting of RAW images" | |
f7560376 | 265 | default n if (ARCH_MX6 && (SPL_MMC || SPL_SATA)) |
11f32da7 AD |
266 | default y |
267 | depends on !TI_SECURE_DEVICE | |
24eb39b5 AD |
268 | help |
269 | SPL will support loading and booting a RAW image when this option | |
270 | is y. If this is not set, SPL will move on to other available | |
271 | boot media to find a suitable image. | |
272 | ||
6665ab17 | 273 | config SPL_LEGACY_IMAGE_FORMAT |
722a6b17 | 274 | bool "Support SPL loading and booting of Legacy images" |
11f32da7 AD |
275 | default y if !SPL_LOAD_FIT |
276 | depends on !TI_SECURE_DEVICE | |
722a6b17 AD |
277 | help |
278 | SPL will support loading and booting Legacy images when this option | |
279 | is y. If this is not set, SPL will move on to other available | |
280 | boot media to find a suitable image. | |
281 | ||
dae5c2dc SG |
282 | config SPL_LEGACY_IMAGE_CRC_CHECK |
283 | bool "Check CRC of Legacy images" | |
6665ab17 | 284 | depends on SPL_LEGACY_IMAGE_FORMAT |
1e52db67 | 285 | select SPL_CRC32 |
dae5c2dc SG |
286 | help |
287 | Enable this to check the CRC of Legacy images. While this increases | |
288 | reliability, it affects both code size and boot duration. | |
289 | If disabled, Legacy images are booted if the image magic and size | |
290 | are correct, without further integrity checks. | |
291 | ||
c2ae7d82 SG |
292 | config SPL_SYS_MALLOC_SIMPLE |
293 | bool | |
c2ae7d82 SG |
294 | prompt "Only use malloc_simple functions in the SPL" |
295 | help | |
296 | Say Y here to only use the *_simple malloc functions from | |
297 | malloc_simple.c, rather then using the versions from dlmalloc.c; | |
298 | this will make the SPL binary smaller at the cost of more heap | |
299 | usage as the *_simple malloc functions do not re-use free-ed mem. | |
300 | ||
d60b5f74 PT |
301 | config TPL_SYS_MALLOC_SIMPLE |
302 | bool | |
303 | prompt "Only use malloc_simple functions in the TPL" | |
05705566 | 304 | depends on TPL |
d60b5f74 PT |
305 | help |
306 | Say Y here to only use the *_simple malloc functions from | |
307 | malloc_simple.c, rather then using the versions from dlmalloc.c; | |
308 | this will make the TPL binary smaller at the cost of more heap | |
309 | usage as the *_simple malloc functions do not re-use free-ed mem. | |
310 | ||
c2ae7d82 | 311 | config SPL_STACK_R |
c2ae7d82 SG |
312 | bool "Enable SDRAM location for SPL stack" |
313 | help | |
314 | SPL starts off execution in SRAM and thus typically has only a small | |
315 | stack available. Since SPL sets up DRAM while in its board_init_f() | |
316 | function, it is possible for the stack to move there before | |
317 | board_init_r() is reached. This option enables a special SDRAM | |
318 | location for the SPL stack. U-Boot SPL switches to this after | |
319 | board_init_f() completes, and before board_init_r() starts. | |
320 | ||
321 | config SPL_STACK_R_ADDR | |
322 | depends on SPL_STACK_R | |
323 | hex "SDRAM location for SPL stack" | |
ff6c3125 | 324 | default 0x82000000 if ARCH_OMAP2PLUS |
c2ae7d82 SG |
325 | help |
326 | Specify the address in SDRAM for the SPL stack. This will be set up | |
327 | before board_init_r() is called. | |
328 | ||
329 | config SPL_STACK_R_MALLOC_SIMPLE_LEN | |
330 | depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE | |
331 | hex "Size of malloc_simple heap after switching to DRAM SPL stack" | |
332 | default 0x100000 | |
333 | help | |
334 | Specify the amount of the stack to use as memory pool for | |
335 | malloc_simple after switching the stack to DRAM. This may be set | |
336 | to give board_init_r() a larger heap then the initial heap in | |
337 | SRAM which is limited to SYS_MALLOC_F_LEN bytes. | |
338 | ||
339 | config SPL_SEPARATE_BSS | |
c2ae7d82 SG |
340 | bool "BSS section is in a different memory region from text" |
341 | help | |
342 | Some platforms need a large BSS region in SPL and can provide this | |
343 | because RAM is already set up. In this case BSS can be moved to RAM. | |
344 | This option should then be enabled so that the correct device tree | |
345 | location is used. Normally we put the device tree at the end of BSS | |
346 | but with this option enabled, it goes at _image_binary_end. | |
347 | ||
95a5825f SG |
348 | config SPL_READ_ONLY |
349 | bool | |
350 | depends on SPL_OF_PLATDATA | |
351 | # Bind cannot be supported because the udevice structs are in read-only | |
352 | # memory so we cannot update the linked lists. | |
353 | select SPL_OF_PLATDATA_NO_BIND | |
354 | select SPL_OF_PLATDATA_RT | |
355 | help | |
356 | Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only | |
357 | section of memory. This means that of-platdata must make a copy (in | |
358 | writeable memory) of anything it wants to modify, such as | |
359 | device-private data. | |
360 | ||
f86ca5ad SG |
361 | config TPL_SEPARATE_BSS |
362 | bool "BSS section is in a different memory region from text" | |
363 | default y if SPL_SEPARATE_BSS | |
364 | help | |
365 | Some platforms need a large BSS region in TPL and can provide this | |
366 | because RAM is already set up. In this case BSS can be moved to RAM. | |
367 | This option should then be enabled so that the correct device tree | |
368 | location is used. Normally we put the device tree at the end of BSS | |
369 | but with this option enabled, it goes at _image_binary_end. | |
370 | ||
aedc08b2 SG |
371 | config SPL_BANNER_PRINT |
372 | bool "Enable output of the SPL banner 'U-Boot SPL ...'" | |
373 | default y | |
374 | help | |
375 | If this option is enabled, SPL will print the banner with version | |
32f2ca2a | 376 | info. Disabling this option could be useful to reduce SPL boot time |
aedc08b2 SG |
377 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). |
378 | ||
379 | config TPL_BANNER_PRINT | |
380 | bool "Enable output of the TPL banner 'U-Boot TPL ...'" | |
05705566 | 381 | depends on TPL |
aedc08b2 | 382 | default y |
0292bc0d | 383 | help |
32f2ca2a TH |
384 | If this option is enabled, TPL will print the banner with version |
385 | info. Disabling this option could be useful to reduce TPL boot time | |
aedc08b2 | 386 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). |
0292bc0d | 387 | |
a5a5d997 AD |
388 | config SPL_EARLY_BSS |
389 | depends on ARM && !ARM64 | |
390 | bool "Allows initializing BSS early before entering board_init_f" | |
391 | help | |
392 | On some platform we have sufficient memory available early on to | |
393 | allow setting up and using a basic BSS prior to entering | |
394 | board_init_f. Activating this option will also de-activate the | |
395 | clearing of BSS during the SPL relocation process, thus allowing | |
396 | to carry state from board_init_f to board_init_r by way of BSS. | |
397 | ||
a807ab33 | 398 | config SPL_DISPLAY_PRINT |
a807ab33 SG |
399 | bool "Display a board-specific message in SPL" |
400 | help | |
401 | If this option is enabled, U-Boot will call the function | |
402 | spl_display_print() immediately after displaying the SPL console | |
403 | banner ("U-Boot SPL ..."). This function should be provided by | |
404 | the board. | |
405 | ||
38fed8ab SP |
406 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
407 | bool "MMC raw mode: by sector" | |
1da1938d FE |
408 | default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \ |
409 | ARCH_MX6 || ARCH_MX7 || \ | |
38fed8ab SP |
410 | ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \ |
411 | ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \ | |
ae2d9506 | 412 | OMAP44XX || OMAP54XX || AM33XX || AM43XX || \ |
70415e1e | 413 | TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED |
38fed8ab SP |
414 | help |
415 | Use sector number for specifying U-Boot location on MMC/SD in | |
416 | raw mode. | |
417 | ||
418 | config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR | |
419 | hex "Address on the MMC to load U-Boot from" | |
226498b8 | 420 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
c0b417b2 | 421 | default 0x40 if ARCH_SUNXI |
38fed8ab | 422 | default 0x75 if ARCH_DAVINCI |
1da1938d | 423 | default 0x8a if ARCH_MX6 || ARCH_MX7 |
8f4d62b4 | 424 | default 0x100 if ARCH_UNIPHIER |
2226ca17 | 425 | default 0x0 if ARCH_MVEBU |
38fed8ab SP |
426 | default 0x200 if ARCH_SOCFPGA || ARCH_AT91 |
427 | default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \ | |
586bde93 | 428 | OMAP54XX || AM33XX || AM43XX || ARCH_K3 |
8f4d62b4 | 429 | default 0x4000 if ARCH_ROCKCHIP |
70415e1e | 430 | default 0x822 if TARGET_SIFIVE_UNLEASHED || TARGET_SIFIVE_UNMATCHED |
38fed8ab SP |
431 | help |
432 | Address on the MMC to load U-Boot from, when the MMC is being used | |
433 | in raw mode. Units: MMC sectors (1 sector = 512 bytes). | |
434 | ||
e42afd84 BS |
435 | config SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET |
436 | hex "U-Boot main hardware partition image offset" | |
437 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR | |
c0b417b2 | 438 | default 0x10 if ARCH_SUNXI |
e42afd84 BS |
439 | default 0x0 |
440 | help | |
441 | On some platforms SPL location depends on hardware partition. The ROM | |
442 | code skips the MBR sector when loading SPL from main hardware data | |
443 | partition. This adds offset to the main U-Boot image. Set this symbol | |
444 | to the number of skipped sectors. | |
445 | ||
446 | If unsure, leave the default. | |
447 | ||
949123e3 DW |
448 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
449 | bool "MMC Raw mode: by partition" | |
949123e3 DW |
450 | help |
451 | Use a partition for loading U-Boot when using MMC/SD in raw mode. | |
452 | ||
453 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION | |
454 | hex "Partition to use to load U-Boot from" | |
226498b8 | 455 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
949123e3 DW |
456 | default 1 |
457 | help | |
458 | Partition on the MMC to load U-Boot from when the MMC is being | |
459 | used in raw mode | |
460 | ||
f0fb4fa7 DW |
461 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
462 | bool "MMC raw mode: by partition type" | |
226498b8 | 463 | depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
f0fb4fa7 DW |
464 | help |
465 | Use partition type for specifying U-Boot partition on MMC/SD in | |
466 | raw mode. U-Boot will be loaded from the first partition of this | |
467 | type to be found. | |
468 | ||
469 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE | |
470 | hex "Partition Type on the MMC to load U-Boot from" | |
226498b8 | 471 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
f0fb4fa7 DW |
472 | help |
473 | Partition Type on the MMC to load U-Boot from, when the MMC is being | |
474 | used in raw mode. | |
475 | ||
32ded502 AG |
476 | config SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG |
477 | bool "Override eMMC EXT_CSC_PART_CONFIG by user defined partition" | |
478 | depends on SUPPORT_EMMC_BOOT | |
479 | help | |
480 | eMMC boot partition is normally configured by the bits of the EXT_CSD | |
481 | register (EXT_CSC_PART_CONFIG), BOOT_PARTITION_ENABLE field. In some | |
482 | cases it might be required in SPL to load the image from different | |
483 | partition than the partition selected by EXT_CSC_PART_CONFIG register. | |
484 | Enable this option if you intend to use an eMMC boot partition other | |
485 | then selected via EXT_CSC_PART_CONFIG register and specify the custom | |
486 | partition number by the CONFIG_SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION | |
487 | option. | |
488 | ||
489 | config SYS_MMCSD_RAW_MODE_EMMC_BOOT_PARTITION | |
490 | int "Number of the eMMC boot partition to use" | |
491 | depends on SUPPORT_EMMC_BOOT_OVERRIDE_PART_CONFIG | |
492 | default 1 | |
493 | help | |
494 | eMMC boot partition number to use when the eMMC in raw mode and | |
495 | the eMMC EXT_CSC_PART_CONFIG selection should be overridden in SPL | |
496 | by user defined partition number. | |
497 | ||
1e52db67 | 498 | config SPL_CRC32 |
11bde1cd | 499 | bool "Support CRC32" |
6665ab17 | 500 | default y if SPL_LEGACY_IMAGE_FORMAT || SPL_EFI_PARTITION |
e7d285b2 | 501 | default y if SPL_ENV_SUPPORT || TPL_BLOBLIST |
11bde1cd | 502 | help |
dae5c2dc SG |
503 | Enable this to support CRC32 in uImages or FIT images within SPL. |
504 | This is a 32-bit checksum value that can be used to verify images. | |
505 | For FIT images, this is the least secure type of checksum, suitable | |
506 | for detected accidental image corruption. For secure applications you | |
507 | should consider SHA1 or SHA256. | |
11bde1cd | 508 | |
4b00fd1a | 509 | config SPL_MD5 |
11bde1cd SG |
510 | bool "Support MD5" |
511 | depends on SPL_FIT | |
512 | help | |
513 | Enable this to support MD5 in FIT images within SPL. An MD5 | |
514 | checksum is a 128-bit hash value used to check that the image | |
515 | contents have not been corrupted. Note that MD5 is not considered | |
516 | secure as it is possible (with a brute-force attack) to adjust the | |
517 | image while still retaining the same MD5 hash value. For secure | |
518 | applications where images may be changed maliciously, you should | |
d16b38f4 | 519 | consider SHA256 or SHA384. |
11bde1cd | 520 | |
337bbb62 PT |
521 | config SPL_FIT_IMAGE_TINY |
522 | bool "Remove functionality from SPL FIT loading to reduce size" | |
523 | depends on SPL_FIT | |
44726096 | 524 | default y if MACH_SUN50I || MACH_SUN50I_H5 || SUN50I_GEN_H6 |
f6282cdd | 525 | default y if ARCH_IMX8M |
337bbb62 PT |
526 | help |
527 | Enable this to reduce the size of the FIT image loading code | |
528 | in SPL, if space for the SPL binary is very tight. | |
529 | ||
cf70553e | 530 | This skips the recording of each loaded payload |
337bbb62 PT |
531 | (i.e. loadable) into the FDT (modifying the loaded FDT to |
532 | ensure this information is available to the next image | |
533 | invoked). | |
534 | ||
de213c71 | 535 | config SPL_CACHE |
31dae22f RC |
536 | bool "Support CACHE drivers" |
537 | help | |
538 | Enable CACHE drivers in SPL. These drivers can keep data so that | |
539 | future requests for that data can be served faster. Enable this option | |
540 | to build the drivers in drivers/cache as part of an SPL build. | |
541 | ||
529d5f96 | 542 | config SPL_CPU |
5e148df9 | 543 | bool "Support CPU drivers" |
5e148df9 SG |
544 | help |
545 | Enable this to support CPU drivers in SPL. These drivers can set | |
546 | up CPUs and provide information about them such as the model and | |
547 | name. This can be useful in SPL since setting up the CPUs earlier | |
548 | may improve boot performance. Enable this option to build the | |
549 | drivers in drivers/cpu as part of an SPL build. | |
550 | ||
0c6bdbb9 | 551 | config SPL_CRYPTO |
11bde1cd | 552 | bool "Support crypto drivers" |
11bde1cd SG |
553 | help |
554 | Enable crypto drivers in SPL. These drivers can be used to | |
555 | accelerate secure boot processing in secure applications. Enable | |
556 | this option to build the drivers in drivers/crypto as part of an | |
557 | SPL build. | |
558 | ||
74326a32 | 559 | config SPL_DMA |
11bde1cd | 560 | bool "Support DMA drivers" |
11bde1cd SG |
561 | help |
562 | Enable DMA (direct-memory-access) drivers in SPL. These drivers | |
563 | can be used to handle memory-to-peripheral data transfer without | |
564 | the CPU moving the data. Enable this option to build the drivers | |
565 | in drivers/dma as part of an SPL build. | |
566 | ||
9ca00684 | 567 | config SPL_DRIVERS_MISC |
11bde1cd | 568 | bool "Support misc drivers" |
11bde1cd SG |
569 | help |
570 | Enable miscellaneous drivers in SPL. These drivers perform various | |
571 | tasks that don't fall nicely into other categories, Enable this | |
572 | option to build the drivers in drivers/misc as part of an SPL | |
573 | build, for those that support building in SPL (not all drivers do). | |
574 | ||
575 | config SPL_ENV_SUPPORT | |
576 | bool "Support an environment" | |
11bde1cd SG |
577 | help |
578 | Enable environment support in SPL. The U-Boot environment provides | |
579 | a number of settings (essentially name/value pairs) which can | |
580 | control many aspects of U-Boot's operation. Normally this is not | |
581 | needed in SPL as it has a much simpler task with less | |
582 | configuration. But some boards use this to support 'Falcon' boot | |
583 | on EXT2 and FAT, where SPL boots directly into Linux without | |
00caae6d | 584 | starting U-Boot first. Enabling this option will make env_get() |
382bee57 | 585 | and env_set() available in SPL. |
11bde1cd | 586 | |
d2d9bdfc R |
587 | config SPL_SAVEENV |
588 | bool "Support save environment" | |
226498b8 | 589 | depends on SPL_ENV_SUPPORT |
d6400c3f | 590 | select SPL_MMC_WRITE if ENV_IS_IN_MMC |
d2d9bdfc R |
591 | help |
592 | Enable save environment support in SPL after setenv. By default | |
593 | the saveenv option is not provided in SPL, but some boards need | |
594 | this support in 'Falcon' boot, where SPL need to boot from | |
595 | different images based on environment variable set by OS. For | |
596 | example OS may set "reboot_image" environment variable to | |
597 | "recovery" inorder to boot recovery image by SPL. The SPL read | |
598 | "reboot_image" and act accordingly and change the reboot_image | |
919d25c9 | 599 | to default mode using setenv and save the environment. |
d2d9bdfc | 600 | |
f2d7a36e | 601 | config SPL_ETH |
11bde1cd SG |
602 | bool "Support Ethernet" |
603 | depends on SPL_ENV_SUPPORT | |
9f664920 | 604 | depends on SPL_NET |
11bde1cd SG |
605 | help |
606 | Enable access to the network subsystem and associated Ethernet | |
607 | drivers in SPL. This permits SPL to load U-Boot over an Ethernet | |
608 | link rather than from an on-board peripheral. Environment support | |
609 | is required since the network stack uses a number of environment | |
5ed16a95 | 610 | variables. See also SPL_NET. |
11bde1cd | 611 | |
f4b40924 | 612 | config SPL_FS_EXT4 |
11bde1cd | 613 | bool "Support EXT filesystems" |
11bde1cd SG |
614 | help |
615 | Enable support for EXT2/3/4 filesystems with SPL. This permits | |
616 | U-Boot (or Linux in Falcon mode) to be loaded from an EXT | |
617 | filesystem from within SPL. Support for the underlying block | |
618 | device (e.g. MMC or USB) must be enabled separately. | |
619 | ||
c5100613 JMC |
620 | config SPL_FS_SQUASHFS |
621 | bool "Support SquashFS filesystems" | |
622 | select FS_SQUASHFS | |
623 | help | |
624 | Enable support for SquashFS filesystems with SPL. This permits | |
625 | U-Boot (or Linux in Falcon mode) to be loaded from a SquashFS | |
626 | filesystem from within SPL. Support for the underlying block | |
627 | device (e.g. MMC or USB) must be enabled separately. | |
628 | ||
0c3a9ed4 | 629 | config SPL_FS_FAT |
11bde1cd | 630 | bool "Support FAT filesystems" |
eedfb89e | 631 | select FS_FAT |
11bde1cd SG |
632 | help |
633 | Enable support for FAT and VFAT filesystems with SPL. This | |
634 | permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT | |
635 | filesystem from within SPL. Support for the underlying block | |
636 | device (e.g. MMC or USB) must be enabled separately. | |
637 | ||
4a11e34b TR |
638 | config SPL_FS_LOAD_PAYLOAD_NAME |
639 | string "File to load for U-Boot from the filesystem" | |
640 | depends on SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS | |
641 | default "tispl.bin" if SYS_K3_SPL_ATF | |
642 | default "u-boot.itb" if SPL_LOAD_FIT | |
643 | default "u-boot.img" | |
644 | help | |
645 | Filename to read to load U-Boot when reading from filesystem. | |
646 | ||
647 | config SPL_FS_LOAD_KERNEL_NAME | |
648 | string "File to load for the OS kernel from the filesystem" | |
649 | depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT | |
650 | default "uImage" | |
651 | help | |
652 | Filename to read to load for the OS kernel when reading from the | |
653 | filesystem. | |
654 | ||
655 | config SPL_FS_LOAD_ARGS_NAME | |
656 | string "File to load for the OS kernel argument parameters from the filesystem" | |
657 | depends on (SPL_FS_EXT4 || SPL_FS_FAT || SPL_FS_SQUASHFS) && SPL_OS_BOOT | |
658 | default "args" | |
659 | help | |
660 | Filename to read to load for the OS kernel argument parameters from | |
661 | the filesystem. | |
662 | ||
d8c3ea99 TFC |
663 | config SPL_FAT_WRITE |
664 | bool "Support write for FAT filesystems" | |
665 | help | |
666 | Enable write support for FAT and VFAT filesystems with SPL. | |
667 | Support for the underlying block device (e.g. MMC or USB) must be | |
668 | enabled separately. | |
669 | ||
29bd8ada | 670 | config SPL_FPGA |
11bde1cd | 671 | bool "Support FPGAs" |
11bde1cd SG |
672 | help |
673 | Enable support for FPGAs in SPL. Field-programmable Gate Arrays | |
674 | provide software-configurable hardware which is typically used to | |
675 | implement peripherals (such as UARTs, LCD displays, MMC) or | |
676 | accelerate custom processing functions, such as image processing | |
677 | or machine learning. Sometimes it is useful to program the FPGA | |
678 | as early as possible during boot, and this option can enable that | |
679 | within SPL. | |
680 | ||
83061dbd | 681 | config SPL_GPIO |
2d424eb0 | 682 | bool "Support GPIO in SPL" |
11bde1cd SG |
683 | help |
684 | Enable support for GPIOs (General-purpose Input/Output) in SPL. | |
685 | GPIOs allow U-Boot to read the state of an input line (high or | |
686 | low) and set the state of an output line. This can be used to | |
687 | drive LEDs, control power to various system parts and read user | |
688 | input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED, | |
689 | for example. Enable this option to build the drivers in | |
690 | drivers/gpio as part of an SPL build. | |
691 | ||
975e7cf3 | 692 | config SPL_I2C |
11bde1cd | 693 | bool "Support I2C" |
11bde1cd SG |
694 | help |
695 | Enable support for the I2C (Inter-Integrated Circuit) bus in SPL. | |
696 | I2C works with a clock and data line which can be driven by a | |
697 | one or more masters or slaves. It is a fairly complex bus but is | |
698 | widely used as it only needs two lines for communication. Speeds of | |
699 | 400kbps are typical but up to 3.4Mbps is supported by some | |
700 | hardware. I2C can be useful in SPL to configure power management | |
701 | ICs (PMICs) before raising the CPU clock speed, for example. | |
702 | Enable this option to build the drivers in drivers/i2c as part of | |
703 | an SPL build. | |
704 | ||
705 | config SPL_LIBCOMMON_SUPPORT | |
706 | bool "Support common libraries" | |
11bde1cd SG |
707 | help |
708 | Enable support for common U-Boot libraries within SPL. These | |
709 | libraries include common code to deal with U-Boot images, | |
710 | environment and USB, for example. This option is enabled on many | |
711 | boards. Enable this option to build the code in common/ as part of | |
712 | an SPL build. | |
713 | ||
714 | config SPL_LIBDISK_SUPPORT | |
00416704 | 715 | bool "Support disk partitions" |
91ff6865 | 716 | select PARTITIONS |
11bde1cd SG |
717 | help |
718 | Enable support for disk partitions within SPL. 'Disk' is something | |
719 | of a misnomer as it includes non-spinning media such as flash (as | |
720 | used in MMC and USB sticks). Partitions provide a way for a disk | |
721 | to be split up into separate regions, with a partition table placed | |
722 | at the start or end which describes the location and size of each | |
723 | 'partition'. These partitions are typically uses as individual block | |
724 | devices, typically with an EXT2 or FAT filesystem in each. This | |
725 | option enables whatever partition support has been enabled in | |
726 | U-Boot to also be used in SPL. It brings in the code in disk/. | |
727 | ||
728 | config SPL_LIBGENERIC_SUPPORT | |
729 | bool "Support generic libraries" | |
11bde1cd SG |
730 | help |
731 | Enable support for generic U-Boot libraries within SPL. These | |
732 | libraries include generic code to deal with device tree, hashing, | |
733 | printf(), compression and the like. This option is enabled on many | |
734 | boards. Enable this option to build the code in lib/ as part of an | |
735 | SPL build. | |
736 | ||
88027419 LV |
737 | config SPL_DM_MAILBOX |
738 | bool "Support Mailbox" | |
739 | help | |
740 | Enable support for Mailbox within SPL. This enable the inter | |
741 | processor communication protocols tobe used within SPL. Enable | |
742 | this option to build the drivers in drivers/mailbox as part of | |
743 | SPL build. | |
744 | ||
103c5f18 | 745 | config SPL_MMC |
11bde1cd | 746 | bool "Support MMC" |
226498b8 | 747 | depends on MMC |
91ff6865 | 748 | select HAVE_BLOCK_DEVICE |
11bde1cd SG |
749 | help |
750 | Enable support for MMC (Multimedia Card) within SPL. This enables | |
751 | the MMC protocol implementation and allows any enabled drivers to | |
752 | be used within SPL. MMC can be used with or without disk partition | |
753 | support depending on the application (SPL_LIBDISK_SUPPORT). Enable | |
754 | this option to build the drivers in drivers/mmc as part of an SPL | |
755 | build. | |
756 | ||
acc415ac AF |
757 | config SYS_MMCSD_FS_BOOT_PARTITION |
758 | int "MMC Boot Partition" | |
759 | default 1 | |
760 | help | |
761 | Partition on the MMC to load U-Boot from when the MMC is being | |
5fa973eb JC |
762 | used in fs mode. |
763 | Use -1 as a special value to use the first bootable partition. | |
acc415ac | 764 | |
bf7c01d9 EG |
765 | config SPL_MMC_TINY |
766 | bool "Tiny MMC framework in SPL" | |
103c5f18 | 767 | depends on SPL_MMC |
bf7c01d9 EG |
768 | help |
769 | Enable MMC framework tinification support. This option is useful if | |
770 | if your SPL is extremely size constrained. Heed the warning, enable | |
771 | this option if and only if you know exactly what you are doing, if | |
772 | you are reading this help text, you most likely have no idea :-) | |
773 | ||
774 | The MMC framework is reduced to bare minimum to be useful. No malloc | |
775 | support is needed for the MMC framework operation with this option | |
776 | enabled. The framework supports exactly one MMC device and exactly | |
777 | one MMC driver. The MMC driver can be adjusted to avoid any malloc | |
778 | operations too, which can remove the need for malloc support in SPL | |
779 | and thus further reduce footprint. | |
780 | ||
d6400c3f JJH |
781 | config SPL_MMC_WRITE |
782 | bool "MMC/SD/SDIO card support for write operations in SPL" | |
103c5f18 | 783 | depends on SPL_MMC |
d6400c3f JJH |
784 | help |
785 | Enable write access to MMC and SD Cards in SPL | |
786 | ||
787 | ||
6f004ada | 788 | config SPL_MPC8XXX_INIT_DDR |
11bde1cd | 789 | bool "Support MPC8XXX DDR init" |
11bde1cd SG |
790 | help |
791 | Enable support for DDR-SDRAM (double-data-rate synchronous dynamic | |
792 | random-access memory) on the MPC8XXX family within SPL. This | |
793 | allows DRAM to be set up before loading U-Boot into that DRAM, | |
794 | where it can run. | |
795 | ||
796 | config SPL_MTD_SUPPORT | |
797 | bool "Support MTD drivers" | |
11bde1cd SG |
798 | help |
799 | Enable support for MTD (Memory Technology Device) within SPL. MTD | |
800 | provides a block interface over raw NAND and can also be used with | |
801 | SPI flash. This allows SPL to load U-Boot from supported MTD | |
802 | devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how | |
803 | to enable specific MTD drivers. | |
804 | ||
89ddb0bf | 805 | config SPL_MUSB_NEW |
11bde1cd | 806 | bool "Support new Mentor Graphics USB" |
11bde1cd SG |
807 | help |
808 | Enable support for Mentor Graphics USB in SPL. This is a new | |
809 | driver used by some boards. Enable this option to build | |
810 | the drivers in drivers/usb/musb-new as part of an SPL build. The | |
811 | old drivers are in drivers/usb/musb. | |
812 | ||
813 | config SPL_NAND_SUPPORT | |
814 | bool "Support NAND flash" | |
11bde1cd SG |
815 | help |
816 | Enable support for NAND (Negative AND) flash in SPL. NAND flash | |
817 | can be used to allow SPL to load U-Boot from supported devices. | |
a430fa06 | 818 | This enables the drivers in drivers/mtd/nand/raw as part of an SPL |
11bde1cd SG |
819 | build. |
820 | ||
bab1b35c TR |
821 | config SPL_NAND_RAW_ONLY |
822 | bool "Support to boot only raw u-boot.bin images" | |
823 | depends on SPL_NAND_SUPPORT | |
824 | help | |
825 | Use this only if you need to save space. | |
826 | ||
0c4a6343 AF |
827 | config SPL_NAND_DRIVERS |
828 | bool "Use standard NAND driver" | |
829 | help | |
830 | SPL uses normal NAND drivers, not minimal drivers. | |
831 | ||
832 | config SPL_NAND_ECC | |
bab1b35c TR |
833 | bool "Include standard ECC in SPL" |
834 | ||
835 | config SPL_NAND_SOFTECC | |
836 | bool "Use software ECC in SPL" | |
837 | depends on SPL_NAND_ECC | |
0c4a6343 AF |
838 | |
839 | config SPL_NAND_SIMPLE | |
840 | bool "Support simple NAND drivers in SPL" | |
841 | help | |
842 | Support for NAND boot using simple NAND drivers that | |
843 | expose the cmd_ctrl() interface. | |
844 | ||
38791064 AF |
845 | config SPL_NAND_BASE |
846 | depends on SPL_NAND_DRIVERS | |
847 | bool "Use Base NAND Driver" | |
ce869b55 MS |
848 | help |
849 | Include nand_base.c in the SPL. | |
38791064 AF |
850 | |
851 | config SPL_NAND_IDENT | |
852 | depends on SPL_NAND_BASE | |
853 | bool "Use chip ID to identify NAND flash" | |
854 | help | |
855 | SPL uses the chip ID list to identify the NAND flash. | |
856 | ||
c67c3492 MK |
857 | config SPL_UBI |
858 | bool "Support UBI" | |
859 | help | |
860 | Enable support for loading payloads from UBI. See | |
861 | README.ubispl for more info. | |
862 | ||
f18845c2 LM |
863 | if SPL_DM |
864 | config SPL_DM_SPI | |
865 | bool "Support SPI DM drivers in SPL" | |
866 | help | |
867 | Enable support for SPI DM drivers in SPL. | |
868 | ||
56c40460 LM |
869 | config SPL_DM_SPI_FLASH |
870 | bool "Support SPI DM FLASH drivers in SPL" | |
871 | help | |
872 | Enable support for SPI DM flash drivers in SPL. | |
873 | ||
f18845c2 | 874 | endif |
c67c3492 | 875 | if SPL_UBI |
6ea31cce HG |
876 | config SPL_UBI_LOAD_BY_VOLNAME |
877 | bool "Support loading volumes by name" | |
878 | help | |
879 | This enables support for loading UBI volumes by name. When this | |
880 | is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to | |
881 | configure the volume name from which to load U-Boot. | |
882 | ||
c67c3492 MK |
883 | config SPL_UBI_MAX_VOL_LEBS |
884 | int "Maximum number of LEBs per volume" | |
885 | depends on SPL_UBI | |
886 | help | |
887 | The maximum number of logical eraseblocks which a static volume | |
888 | to load can contain. Used for sizing the scan data structure. | |
889 | ||
890 | config SPL_UBI_MAX_PEB_SIZE | |
891 | int "Maximum PEB size" | |
892 | depends on SPL_UBI | |
893 | help | |
894 | The maximum physical erase block size. | |
895 | ||
896 | config SPL_UBI_MAX_PEBS | |
897 | int "Maximum number of PEBs" | |
898 | depends on SPL_UBI | |
899 | help | |
900 | The maximum physical erase block size. If not overridden by | |
901 | board code, this value will be used as the actual number of PEBs. | |
902 | ||
903 | config SPL_UBI_PEB_OFFSET | |
904 | int "Offset to first UBI PEB" | |
905 | depends on SPL_UBI | |
906 | help | |
907 | The offset in number of PEBs from the start of flash to the first | |
908 | PEB part of the UBI image. | |
909 | ||
910 | config SPL_UBI_VID_OFFSET | |
911 | int "Offset to VID header" | |
912 | depends on SPL_UBI | |
913 | ||
914 | config SPL_UBI_LEB_START | |
915 | int "Offset to LEB in PEB" | |
916 | depends on SPL_UBI | |
917 | help | |
918 | The offset in bytes to the LEB within a PEB. | |
919 | ||
920 | config SPL_UBI_INFO_ADDR | |
921 | hex "Address to place UBI scan info" | |
922 | depends on SPL_UBI | |
923 | help | |
924 | Address for ubispl to place the scan info. Read README.ubispl to | |
925 | determine the required size | |
926 | ||
927 | config SPL_UBI_VOL_IDS | |
928 | int "Maximum volume id" | |
929 | depends on SPL_UBI | |
930 | help | |
931 | The maximum volume id which can be loaded. Used for sizing the | |
932 | scan data structure. | |
933 | ||
934 | config SPL_UBI_LOAD_MONITOR_ID | |
935 | int "id of U-Boot volume" | |
936 | depends on SPL_UBI | |
937 | help | |
938 | The UBI volume id from which to load U-Boot | |
939 | ||
6ea31cce HG |
940 | config SPL_UBI_LOAD_MONITOR_VOLNAME |
941 | string "volume name of U-Boot volume" | |
942 | depends on SPL_UBI_LOAD_BY_VOLNAME | |
943 | help | |
944 | The UBI volume name from which to load U-Boot | |
945 | ||
c67c3492 MK |
946 | config SPL_UBI_LOAD_KERNEL_ID |
947 | int "id of kernel volume" | |
948 | depends on SPL_OS_BOOT && SPL_UBI | |
949 | help | |
950 | The UBI volume id from which to load the kernel | |
951 | ||
952 | config SPL_UBI_LOAD_ARGS_ID | |
953 | int "id of kernel args volume" | |
954 | depends on SPL_OS_BOOT && SPL_UBI | |
955 | help | |
956 | The UBI volume id from which to load the device tree | |
957 | ||
a2257d37 MK |
958 | config UBI_SPL_SILENCE_MSG |
959 | bool "silence UBI SPL messages" | |
a2257d37 MK |
960 | help |
961 | Disable messages from UBI SPL. This leaves warnings | |
962 | and errors enabled. | |
c67c3492 MK |
963 | |
964 | endif # if SPL_UBI | |
965 | ||
5ed16a95 | 966 | config SPL_NET |
11bde1cd | 967 | bool "Support networking" |
11bde1cd SG |
968 | help |
969 | Enable support for network devices (such as Ethernet) in SPL. | |
970 | This permits SPL to load U-Boot over a network link rather than | |
971 | from an on-board peripheral. Environment support is required since | |
972 | the network stack uses a number of environment variables. See also | |
f2d7a36e | 973 | SPL_ETH. |
11bde1cd | 974 | |
5ed16a95 | 975 | if SPL_NET |
11bde1cd SG |
976 | config SPL_NET_VCI_STRING |
977 | string "BOOTP Vendor Class Identifier string sent by SPL" | |
978 | help | |
979 | As defined by RFC 2132 the vendor class identifier field can be | |
980 | sent by the client to identify the vendor type and configuration | |
981 | of a client. This is often used in practice to allow for the DHCP | |
982 | server to specify different files to load depending on if the ROM, | |
983 | SPL or U-Boot itself makes the request | |
5ed16a95 | 984 | endif # if SPL_NET |
11bde1cd SG |
985 | |
986 | config SPL_NO_CPU_SUPPORT | |
987 | bool "Drop CPU code in SPL" | |
11bde1cd SG |
988 | help |
989 | This is specific to the ARM926EJ-S CPU. It disables the standard | |
990 | start.S start-up code, presumably so that a replacement can be | |
991 | used on that CPU. You should not enable it unless you know what | |
992 | you are doing. | |
993 | ||
994 | config SPL_NOR_SUPPORT | |
995 | bool "Support NOR flash" | |
11bde1cd SG |
996 | help |
997 | Enable support for loading U-Boot from memory-mapped NOR (Negative | |
998 | OR) flash in SPL. NOR flash is slow to write but fast to read, and | |
999 | a memory-mapped device makes it very easy to access. Loading from | |
1000 | NOR is typically achieved with just a memcpy(). | |
1001 | ||
c6d9e9db VM |
1002 | config SPL_XIP_SUPPORT |
1003 | bool "Support XIP" | |
1004 | depends on SPL | |
1005 | help | |
1006 | Enable support for execute in place of U-Boot or kernel image. There | |
1007 | is no need to copy image from flash to ram if flash supports execute | |
1008 | in place. Its very useful in systems having enough flash but not | |
1009 | enough ram to load the image. | |
1010 | ||
11bde1cd SG |
1011 | config SPL_ONENAND_SUPPORT |
1012 | bool "Support OneNAND flash" | |
11bde1cd SG |
1013 | help |
1014 | Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is | |
1015 | a type of NAND flash and therefore can be used to allow SPL to | |
1016 | load U-Boot from supported devices. This enables the drivers in | |
1017 | drivers/mtd/onenand as part of an SPL build. | |
1018 | ||
c20ae2ff HS |
1019 | config SPL_OS_BOOT |
1020 | bool "Activate Falcon Mode" | |
226498b8 | 1021 | depends on !TI_SECURE_DEVICE |
c20ae2ff HS |
1022 | help |
1023 | Enable booting directly to an OS from SPL. | |
1024 | for more info read doc/README.falcon | |
1025 | ||
29d3bc79 HS |
1026 | if SPL_OS_BOOT |
1027 | config SYS_OS_BASE | |
1028 | hex "addr, where OS is found" | |
226498b8 | 1029 | depends on SPL_NOR_SUPPORT |
29d3bc79 HS |
1030 | help |
1031 | Specify the address, where the OS image is found, which | |
1032 | gets booted. | |
1033 | ||
1034 | endif # SPL_OS_BOOT | |
1035 | ||
22eb1526 AG |
1036 | config SPL_FALCON_BOOT_MMCSD |
1037 | bool "Enable Falcon boot from MMC or SD media" | |
1038 | depends on SPL_OS_BOOT && SPL_MMC | |
1039 | help | |
1040 | Select this if the Falcon mode OS image mode is on MMC or SD media. | |
1041 | ||
1042 | config SYS_MMCSD_RAW_MODE_KERNEL_SECTOR | |
1043 | hex "Falcon mode: Sector to load kernel uImage from MMC" | |
1044 | depends on SPL_FALCON_BOOT_MMCSD | |
1045 | help | |
1046 | When Falcon mode is used with an MMC or SD media, SPL needs to know | |
1047 | where to look for the kernel uImage. The image is expected to begin | |
1048 | at the raw MMC specified in this config. | |
1049 | Note that the Falcon mode image can also be a FIT, if FIT support is | |
1050 | enabled. | |
1051 | ||
7550dbe3 YS |
1052 | config SPL_PAYLOAD |
1053 | string "SPL payload" | |
1054 | default "tpl/u-boot-with-tpl.bin" if TPL | |
1055 | default "u-boot.bin" | |
1056 | help | |
2dcfa058 | 1057 | Payload for SPL boot. For backward compatibility, default to |
7550dbe3 YS |
1058 | u-boot.bin, i.e. RAW image without any header. In case of |
1059 | TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to | |
1060 | use u-boot.img. | |
1061 | ||
d50d6817 | 1062 | config SPL_PCI |
2446b6b8 | 1063 | bool "Support PCI drivers" |
2446b6b8 SG |
1064 | help |
1065 | Enable support for PCI in SPL. For platforms that need PCI to boot, | |
1066 | or must perform some init using PCI in SPL, this provides the | |
1067 | necessary driver support. This enables the drivers in drivers/pci | |
1068 | as part of an SPL build. | |
1069 | ||
15042e7b | 1070 | config SPL_PCH |
bbe41abf | 1071 | bool "Support PCH drivers" |
bbe41abf SG |
1072 | help |
1073 | Enable support for PCH (Platform Controller Hub) devices in SPL. | |
1074 | These are used to set up GPIOs and the SPI peripheral early in | |
1075 | boot. This enables the drivers in drivers/pch as part of an SPL | |
1076 | build. | |
1077 | ||
11bde1cd SG |
1078 | config SPL_POST_MEM_SUPPORT |
1079 | bool "Support POST drivers" | |
11bde1cd SG |
1080 | help |
1081 | Enable support for POST (Power-on Self Test) in SPL. POST is a | |
1082 | procedure that checks that the hardware (CPU or board) appears to | |
1083 | be functionally correctly. It is a sanity check that can be | |
1084 | performed before booting. This enables the drivers in post/drivers | |
1085 | as part of an SPL build. | |
1086 | ||
bfc6bae8 | 1087 | config SPL_DM_RESET |
0e373c0a PD |
1088 | bool "Support reset drivers" |
1089 | depends on SPL | |
1090 | help | |
1091 | Enable support for reset control in SPL. | |
1092 | That can be useful in SPL to handle IP reset in driver, as in U-Boot, | |
1093 | by using the generic reset API provided by driver model. | |
1094 | This enables the drivers in drivers/reset as part of an SPL build. | |
1095 | ||
933b2f09 | 1096 | config SPL_POWER |
11bde1cd | 1097 | bool "Support power drivers" |
11bde1cd SG |
1098 | help |
1099 | Enable support for power control in SPL. This includes support | |
1100 | for PMICs (Power-management Integrated Circuits) and some of the | |
1101 | features provided by PMICs. In particular, voltage regulators can | |
1102 | be used to enable/disable power and vary its voltage. That can be | |
1103 | useful in SPL to turn on boot peripherals and adjust CPU voltage | |
1104 | so that the clock speed can be increased. This enables the drivers | |
1105 | in drivers/power, drivers/power/pmic and drivers/power/regulator | |
1106 | as part of an SPL build. | |
1107 | ||
e13278c9 PF |
1108 | config SPL_POWER_DOMAIN |
1109 | bool "Support power domain drivers" | |
a4faf1f5 | 1110 | select SPL_POWER |
e13278c9 PF |
1111 | help |
1112 | Enable support for power domain control in SPL. Many SoCs allow | |
1113 | power to be applied to or removed from portions of the SoC (power | |
1114 | domains). This may be used to save power. This API provides the | |
1115 | means to control such power management hardware. This enables | |
1116 | the drivers in drivers/power/domain as part of a SPL build. | |
1117 | ||
22802f4e SA |
1118 | config SPL_RAM_SUPPORT |
1119 | bool "Support booting from RAM" | |
18138ab2 | 1120 | default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ |
22802f4e SA |
1121 | help |
1122 | Enable booting of an image in RAM. The image can be preloaded or | |
1123 | it can be loaded by SPL directly into RAM (e.g. using USB). | |
1124 | ||
f417d40f SA |
1125 | config SPL_RAM_DEVICE |
1126 | bool "Support booting from preloaded image in RAM" | |
22802f4e | 1127 | depends on SPL_RAM_SUPPORT |
18138ab2 | 1128 | default y if MICROBLAZE || ARCH_SOCFPGA || ARCH_TEGRA || ARCH_ZYNQ |
f417d40f SA |
1129 | help |
1130 | Enable booting of an image already loaded in RAM. The image has to | |
1131 | be already in memory when SPL takes over, e.g. loaded by the boot | |
1132 | ROM. | |
1133 | ||
08c45314 LV |
1134 | config SPL_REMOTEPROC |
1135 | bool "Support REMOTEPROCS" | |
1136 | help | |
1137 | Enable support for REMOTEPROCs in SPL. This permits to load | |
1138 | a remote processor firmware in SPL. | |
1139 | ||
73c6ff6a | 1140 | config SPL_RTC |
30bf8a0d | 1141 | bool "Support RTC drivers" |
30bf8a0d SG |
1142 | help |
1143 | Enable RTC (Real-time Clock) support in SPL. This includes support | |
1144 | for reading and setting the time. Some RTC devices also have some | |
1145 | non-volatile (battery-backed) memory which is accessible if | |
1146 | needed. This enables the drivers in drivers/rtc as part of an SPL | |
1147 | build. | |
1148 | ||
f7560376 | 1149 | config SPL_SATA |
11bde1cd | 1150 | bool "Support loading from SATA" |
11bde1cd SG |
1151 | help |
1152 | Enable support for SATA (Serial AT attachment) in SPL. This allows | |
1153 | use of SATA devices such as hard drives and flash drivers for | |
1154 | loading U-Boot. SATA is used in higher-end embedded systems and | |
1155 | can provide higher performance than MMC , at somewhat higher | |
1156 | expense and power consumption. This enables loading from SATA | |
1157 | using a configured device. | |
1158 | ||
60ca969a BS |
1159 | config SPL_SATA_RAW_U_BOOT_USE_SECTOR |
1160 | bool "SATA raw mode: by sector" | |
f7560376 | 1161 | depends on SPL_SATA |
2226ca17 | 1162 | default y if ARCH_MVEBU |
60ca969a BS |
1163 | help |
1164 | Use sector number for specifying U-Boot location on SATA disk in | |
1165 | raw mode. | |
1166 | ||
1167 | config SPL_SATA_RAW_U_BOOT_SECTOR | |
1168 | hex "Sector on the SATA disk to load U-Boot from" | |
1169 | depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR | |
2226ca17 | 1170 | default 0x1 if ARCH_MVEBU |
60ca969a BS |
1171 | help |
1172 | Sector on the SATA disk to load U-Boot from, when the SATA disk is being | |
1173 | used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes). | |
1174 | ||
2a736066 | 1175 | config SPL_SERIAL |
11bde1cd | 1176 | bool "Support serial" |
14ad44ab AK |
1177 | select SPL_PRINTF |
1178 | select SPL_STRTO | |
11bde1cd SG |
1179 | help |
1180 | Enable support for serial in SPL. This allows use of a serial UART | |
1181 | for displaying messages while SPL is running. It also brings in | |
1182 | printf() and panic() functions. This should normally be enabled | |
1183 | unless there are space reasons not to. Even then, consider | |
27084c03 | 1184 | enabling SPL_USE_TINY_PRINTF which is a small printf() version. |
11bde1cd | 1185 | |
ea2ca7e1 | 1186 | config SPL_SPI |
d024e992 SG |
1187 | bool "Support SPI drivers" |
1188 | help | |
1189 | Enable support for using SPI in SPL. This is used for connecting | |
1190 | to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for | |
1191 | more details on that. The SPI driver provides the transport for | |
1192 | data between the SPI flash and the CPU. This option can be used to | |
1193 | enable SPI drivers that are needed for other purposes also, such | |
1194 | as a SPI PMIC. | |
1195 | ||
11bde1cd SG |
1196 | config SPL_SPI_FLASH_SUPPORT |
1197 | bool "Support SPI flash drivers" | |
ea2ca7e1 | 1198 | depends on SPL_SPI |
11bde1cd SG |
1199 | help |
1200 | Enable support for using SPI flash in SPL, and loading U-Boot from | |
1201 | SPI flash. SPI flash (Serial Peripheral Bus flash) is named after | |
1202 | the SPI bus that is used to connect it to a system. It is a simple | |
1203 | but fast bidirectional 4-wire bus (clock, chip select and two data | |
1204 | lines). This enables the drivers in drivers/mtd/spi as part of an | |
ea2ca7e1 | 1205 | SPL build. This normally requires SPL_SPI. |
11bde1cd | 1206 | |
0c6f187c V |
1207 | if SPL_SPI_FLASH_SUPPORT |
1208 | ||
778572d7 V |
1209 | config SPL_SPI_FLASH_TINY |
1210 | bool "Enable low footprint SPL SPI Flash support" | |
1211 | depends on !SPI_FLASH_BAR | |
72875978 | 1212 | default y if SPI_FLASH |
778572d7 V |
1213 | help |
1214 | Enable lightweight SPL SPI Flash support that supports just reading | |
1215 | data/images from flash. No support to write/erase flash. Enable | |
1216 | this if you have SPL size limitations and don't need full | |
1217 | fledged SPI flash support. | |
1218 | ||
0c6f187c V |
1219 | config SPL_SPI_FLASH_SFDP_SUPPORT |
1220 | bool "SFDP table parsing support for SPI NOR flashes" | |
778572d7 | 1221 | depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY |
0c6f187c V |
1222 | help |
1223 | Enable support for parsing and auto discovery of parameters for | |
1224 | SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP) | |
1225 | tables as per JESD216 standard in SPL. | |
1226 | ||
56c40460 LM |
1227 | config SPL_SPI_FLASH_MTD |
1228 | bool "Support for SPI flash MTD drivers in SPL" | |
1229 | help | |
1230 | Enable support for SPI flash MTD drivers in SPL. | |
1231 | ||
55500438 MV |
1232 | config SPL_SPI_LOAD |
1233 | bool "Support loading from SPI flash" | |
55500438 MV |
1234 | help |
1235 | Enable support for loading next stage, U-Boot or otherwise, from | |
1236 | SPI NOR in U-Boot SPL. | |
1237 | ||
0c6f187c V |
1238 | endif # SPL_SPI_FLASH_SUPPORT |
1239 | ||
1ee774d2 HS |
1240 | config SYS_SPI_U_BOOT_OFFS |
1241 | hex "address of u-boot payload in SPI flash" | |
671d64fe | 1242 | default 0x8000 if ARCH_SUNXI |
1ee774d2 HS |
1243 | default 0x0 |
1244 | depends on SPL_SPI_LOAD || SPL_SPI_SUNXI | |
1245 | help | |
1246 | Address within SPI-Flash from where the u-boot payload is fetched | |
1247 | from. | |
1248 | ||
8502f9f6 FA |
1249 | config SPL_THERMAL |
1250 | bool "Driver support for thermal devices" | |
1251 | help | |
1252 | Enable support for temperature-sensing devices. Some SoCs have on-chip | |
1253 | temperature sensors to permit warnings, speed throttling or even | |
1254 | automatic power-off when the temperature gets too high or low. Other | |
1255 | devices may be discrete but connected on a suitable bus. | |
1256 | ||
333e4a62 | 1257 | config SPL_USB_HOST |
11bde1cd | 1258 | bool "Support USB host drivers" |
91ff6865 | 1259 | select HAVE_BLOCK_DEVICE |
11bde1cd SG |
1260 | help |
1261 | Enable access to USB (Universal Serial Bus) host devices so that | |
1262 | SPL can load U-Boot from a connected USB peripheral, such as a USB | |
1263 | flash stick. While USB takes a little longer to start up than most | |
1264 | buses, it is very flexible since many different types of storage | |
1265 | device can be attached. This option enables the drivers in | |
1266 | drivers/usb/host as part of an SPL build. | |
1267 | ||
79536013 | 1268 | config SPL_USB_STORAGE |
11bde1cd | 1269 | bool "Support loading from USB" |
333e4a62 | 1270 | depends on SPL_USB_HOST && !(BLK && !DM_USB) |
11bde1cd SG |
1271 | help |
1272 | Enable support for USB devices in SPL. This allows use of USB | |
1273 | devices such as hard drives and flash drivers for loading U-Boot. | |
1274 | The actual drivers are enabled separately using the normal U-Boot | |
1275 | config options. This enables loading from USB using a configured | |
1276 | device. | |
1277 | ||
f811e976 | 1278 | config SPL_USB_GADGET |
e94793c8 | 1279 | bool "Suppport USB Gadget drivers" |
e94793c8 SA |
1280 | help |
1281 | Enable USB Gadget API which allows to enable USB device functions | |
1282 | in SPL. | |
1283 | ||
f811e976 | 1284 | if SPL_USB_GADGET |
e94793c8 | 1285 | |
b432b1eb | 1286 | config SPL_USB_ETHER |
e94793c8 | 1287 | bool "Support USB Ethernet drivers" |
9f664920 | 1288 | depends on SPL_NET |
e94793c8 SA |
1289 | help |
1290 | Enable access to the USB network subsystem and associated | |
1291 | drivers in SPL. This permits SPL to load U-Boot over a | |
1292 | USB-connected Ethernet link (such as a USB Ethernet dongle) rather | |
1293 | than from an onboard peripheral. Environment support is required | |
1294 | since the network stack uses a number of environment variables. | |
5ed16a95 | 1295 | See also SPL_NET and SPL_ETH. |
e94793c8 | 1296 | |
6536ca4d | 1297 | config SPL_DFU |
c3c19c27 | 1298 | bool "Support DFU (Device Firmware Upgrade)" |
07212096 | 1299 | select SPL_HASH |
66928afb | 1300 | select SPL_DFU_NO_RESET |
1b19cbdb | 1301 | depends on SPL_RAM_SUPPORT |
5991703e | 1302 | help |
c3c19c27 | 1303 | This feature enables the DFU (Device Firmware Upgrade) in SPL with |
5991703e SA |
1304 | RAM memory device support. The ROM code will load and execute |
1305 | the SPL built with dfu. The user can load binaries (u-boot/kernel) to | |
1306 | selected device partition from host-pc using dfu-utils. | |
1307 | This feature is useful to flash the binaries to factory or bare-metal | |
1308 | boards using USB interface. | |
1309 | ||
1310 | choice | |
1311 | bool "DFU device selection" | |
6536ca4d | 1312 | depends on SPL_DFU |
5991703e SA |
1313 | |
1314 | config SPL_DFU_RAM | |
1315 | bool "RAM device" | |
6536ca4d | 1316 | depends on SPL_DFU && SPL_RAM_SUPPORT |
5991703e SA |
1317 | help |
1318 | select RAM/DDR memory device for loading binary images | |
1319 | (u-boot/kernel) to the selected device partition using | |
1320 | DFU and execute the u-boot/kernel from RAM. | |
1321 | ||
1322 | endchoice | |
1323 | ||
a3774c1c SA |
1324 | config SPL_USB_SDP_SUPPORT |
1325 | bool "Support SDP (Serial Download Protocol)" | |
2a736066 | 1326 | depends on SPL_SERIAL |
a3774c1c SA |
1327 | help |
1328 | Enable Serial Download Protocol (SDP) device support in SPL. This | |
1329 | allows to download images into memory and execute (jump to) them | |
1330 | using the same protocol as implemented by the i.MX family's boot ROM. | |
407e3844 YL |
1331 | |
1332 | config SPL_SDP_USB_DEV | |
1333 | int "SDP USB controller index" | |
1334 | default 0 | |
1335 | depends on SPL_USB_SDP_SUPPORT | |
1336 | help | |
1337 | Some boards have USB controller other than 0. Define this option | |
1338 | so it can be used in compiled environment. | |
e94793c8 SA |
1339 | endif |
1340 | ||
078111b9 | 1341 | config SPL_WATCHDOG |
11bde1cd | 1342 | bool "Support watchdog drivers" |
6874cb72 | 1343 | imply SPL_WDT if !HW_WATCHDOG |
11bde1cd SG |
1344 | help |
1345 | Enable support for watchdog drivers in SPL. A watchdog is | |
1346 | typically a hardware peripheral which can reset the system when it | |
1347 | detects no activity for a while (such as a software crash). This | |
1348 | enables the drivers in drivers/watchdog as part of an SPL build. | |
1349 | ||
1350 | config SPL_YMODEM_SUPPORT | |
1351 | bool "Support loading using Ymodem" | |
2a736066 | 1352 | depends on SPL_SERIAL |
11bde1cd SG |
1353 | help |
1354 | While loading from serial is slow it can be a useful backup when | |
1355 | there is no other option. The Ymodem protocol provides a reliable | |
1356 | means of transmitting U-Boot over a serial line for using in SPL, | |
1357 | with a checksum to ensure correctness. | |
1358 | ||
aa122f6b | 1359 | config SPL_ATF |
bcc1726a | 1360 | bool "Support ARM Trusted Firmware" |
975bacc1 | 1361 | depends on ARM64 && SPL_FIT |
bcc1726a | 1362 | help |
d21fb63d PT |
1363 | ATF(ARM Trusted Firmware) is a component for ARM AArch64 which |
1364 | is loaded by SPL (which is considered as BL2 in ATF terminology). | |
bcc1726a KY |
1365 | More detail at: https://github.com/ARM-software/arm-trusted-firmware |
1366 | ||
7b866825 MW |
1367 | config SPL_ATF_LOAD_IMAGE_V2 |
1368 | bool "Use the new LOAD_IMAGE_V2 parameter passing" | |
1369 | depends on SPL_ATF | |
1370 | help | |
1371 | Some platforms use the newer LOAD_IMAGE_V2 parameter passing. | |
1372 | ||
1373 | If you want to load a bl31 image from the SPL and need the new | |
1374 | method, say Y. | |
1375 | ||
d21fb63d | 1376 | config SPL_ATF_NO_PLATFORM_PARAM |
ce869b55 | 1377 | bool "Pass no platform parameter" |
d21fb63d PT |
1378 | depends on SPL_ATF |
1379 | help | |
1380 | While we expect to call a pointer to a valid FDT (or NULL) | |
1381 | as the platform parameter to an ATF, some ATF versions are | |
1382 | not U-Boot aware and have an insufficiently robust parameter | |
1383 | validation to gracefully reject a FDT being passed. | |
1384 | ||
1385 | If this option is enabled, the spl_atf os-type handler will | |
1386 | always pass NULL for the platform parameter. | |
1387 | ||
1388 | If your ATF is affected, say Y. | |
1389 | ||
3bf5f13c AK |
1390 | config SPL_AM33XX_ENABLE_RTC32K_OSC |
1391 | bool "Enable the RTC32K OSC on AM33xx based platforms" | |
1392 | default y if AM33XX | |
1393 | help | |
1394 | Enable access to the AM33xx RTC and select the external 32kHz clock | |
1395 | source. | |
1396 | ||
51827f9a PD |
1397 | config SPL_OPTEE_IMAGE |
1398 | bool "Support OP-TEE Trusted OS image in SPL" | |
70fe2876 KY |
1399 | depends on ARM |
1400 | help | |
51827f9a | 1401 | OP-TEE is an open source Trusted OS which is loaded by SPL. |
70fe2876 KY |
1402 | More detail at: https://github.com/OP-TEE/optee_os |
1403 | ||
5e30e45c LA |
1404 | config SPL_OPENSBI |
1405 | bool "Support RISC-V OpenSBI" | |
1406 | depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE | |
1407 | help | |
1408 | OpenSBI is an open-source implementation of the RISC-V Supervisor Binary | |
1409 | Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC | |
1410 | firmware. It is loaded and started by U-Boot SPL. | |
1411 | ||
1412 | More details are available at https://github.com/riscv/opensbi and | |
1413 | https://github.com/riscv/riscv-sbi-doc | |
1414 | ||
1415 | config SPL_OPENSBI_LOAD_ADDR | |
1416 | hex "OpenSBI load address" | |
1417 | depends on SPL_OPENSBI | |
1418 | help | |
1419 | Load address of the OpenSBI binary. | |
1420 | ||
226498b8 TR |
1421 | config TPL |
1422 | bool | |
1423 | depends on SUPPORT_TPL | |
1424 | prompt "Enable TPL" | |
1425 | help | |
1426 | If you want to build TPL as well as the normal image and SPL, say Y. | |
1427 | ||
1428 | if TPL | |
1429 | ||
c52b5e8e SG |
1430 | config TPL_SIZE_LIMIT |
1431 | hex "Maximum size of TPL image" | |
1432 | depends on TPL | |
2dfdd0c4 | 1433 | default 0x0 |
c52b5e8e SG |
1434 | help |
1435 | Specifies the maximum length of the U-Boot TPL image. | |
1436 | If this value is zero, it is ignored. | |
1437 | ||
38c04d8e | 1438 | config TPL_BINMAN_SYMBOLS |
b13114cd | 1439 | bool "Declare binman symbols in TPL" |
38c04d8e SG |
1440 | depends on SPL_FRAMEWORK && BINMAN |
1441 | default y | |
1442 | help | |
b13114cd | 1443 | This enables use of symbols in TPL which refer to U-Boot, enabling TPL |
38c04d8e SG |
1444 | to obtain the location of U-Boot simply by calling spl_get_image_pos() |
1445 | and spl_get_image_size(). | |
1446 | ||
1447 | For this to work, you must have a U-Boot image in the binman image, so | |
b13114cd | 1448 | binman can update TPL with the location of it. |
38c04d8e | 1449 | |
22b7b860 HS |
1450 | config TPL_FRAMEWORK |
1451 | bool "Support TPL based upon the common SPL framework" | |
1452 | default y if SPL_FRAMEWORK | |
1453 | help | |
1454 | Enable the SPL framework under common/spl/ for TPL builds. | |
1455 | This framework supports MMC, NAND and YMODEM and other methods | |
1456 | loading of U-Boot's SPL stage. If unsure, say Y. | |
1457 | ||
b0edea3c SG |
1458 | config TPL_HANDOFF |
1459 | bool "Pass hand-off information from TPL to SPL and U-Boot proper" | |
a7da3d98 | 1460 | depends on HANDOFF && TPL_BLOBLIST |
b0edea3c SG |
1461 | default y |
1462 | help | |
1463 | This option enables TPL to write handoff information. This can be | |
1464 | used to pass information like the size of SDRAM from TPL to U-Boot | |
1465 | proper. The information is also available to SPL if it is useful | |
1466 | there. | |
1467 | ||
af2f4426 KY |
1468 | config TPL_BOARD_INIT |
1469 | bool "Call board-specific initialization in TPL" | |
1470 | help | |
1471 | If this option is enabled, U-Boot will call the function | |
1472 | spl_board_init() from board_init_r(). This function should be | |
1473 | provided by the board. | |
1474 | ||
4d145f26 PR |
1475 | config TPL_BOOTCOUNT_LIMIT |
1476 | bool "Support bootcount in TPL" | |
1477 | depends on TPL_ENV_SUPPORT | |
1478 | help | |
1479 | If this option is enabled, the TPL will support bootcount. | |
1480 | For example, it may be useful to choose the device to boot. | |
1481 | ||
dd6fbcb9 | 1482 | config TPL_LDSCRIPT |
ce869b55 | 1483 | string "Linker script for the TPL stage" |
dd6fbcb9 | 1484 | depends on TPL |
2f41ade7 | 1485 | default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64 |
a356e7a8 | 1486 | default "arch/\$(ARCH)/cpu/u-boot-spl.lds" |
dd6fbcb9 PT |
1487 | help |
1488 | The TPL stage will usually require a different linker-script | |
1489 | (as it runs from a different memory region) than the regular | |
1490 | U-Boot stage. Set this to the path of the linker-script to | |
1491 | be used for TPL. | |
1492 | ||
b3ed6ce7 PT |
1493 | May be left empty to trigger the Makefile infrastructure to |
1494 | fall back to the linker-script used for the SPL stage. | |
1495 | ||
b3ed6ce7 | 1496 | config TPL_NEEDS_SEPARATE_STACK |
ce869b55 | 1497 | bool "TPL needs a separate initial stack-pointer" |
b3ed6ce7 PT |
1498 | depends on TPL |
1499 | help | |
1500 | Enable, if the TPL stage should not inherit its initial | |
1501 | stack-pointer from the settings for the SPL stage. | |
1502 | ||
a4faf1f5 SG |
1503 | config TPL_POWER |
1504 | bool "Support power drivers" | |
1505 | help | |
1506 | Enable support for power control in TPL. This includes support | |
1507 | for PMICs (Power-management Integrated Circuits) and some of the | |
1508 | features provided by PMICs. In particular, voltage regulators can | |
1509 | be used to enable/disable power and vary its voltage. That can be | |
1510 | useful in TPL to turn on boot peripherals and adjust CPU voltage | |
1511 | so that the clock speed can be increased. This enables the drivers | |
1512 | in drivers/power, drivers/power/pmic and drivers/power/regulator | |
1513 | as part of an TPL build. | |
1514 | ||
b3ed6ce7 | 1515 | config TPL_TEXT_BASE |
ce869b55 | 1516 | hex "Base address for the .text section of the TPL stage" |
8e6c1299 | 1517 | default 0 |
b3ed6ce7 PT |
1518 | help |
1519 | The base address for the .text section of the TPL stage. | |
1520 | ||
1521 | config TPL_MAX_SIZE | |
ca8a329a TR |
1522 | hex "Maximum size (in bytes) for the TPL stage" |
1523 | default 0x2e000 if ROCKCHIP_RK3399 | |
1524 | default 0x8000 if ROCKCHIP_RK3288 | |
1525 | default 0x7000 if ROCKCHIP_RK322X || ROCKCHIP_RK3328 || ROCKCHIP_RK3368 | |
1526 | default 0x2800 if ROCKCHIP_PX30 | |
1527 | default 0x0 | |
b3ed6ce7 PT |
1528 | help |
1529 | The maximum size (in bytes) of the TPL stage. | |
1530 | ||
ca8a329a TR |
1531 | config TPL_PAD_TO |
1532 | hex "Offset to which the TPL should be padded before appending the TPL payload" | |
1533 | depends on !TPL_FRAMEWORK && PPC | |
1534 | default TPL_MAX_SIZE | |
1535 | help | |
1536 | Image offset to which the TPL should be padded before appending the | |
1537 | TPL payload. By default, this is defined as CONFIG_TPL_MAX_SIZE, or 0 if | |
1538 | CONFIG_TPL_MAX_SIZE is undefined. CONFIG_TPL_PAD_TO must be either | |
1539 | 0, meaning to append the TPL payload without any padding, or >= | |
1540 | CONFIG_TPL_MAX_SIZE. | |
1541 | ||
b3ed6ce7 | 1542 | config TPL_STACK |
ce869b55 | 1543 | hex "Address of the initial stack-pointer for the TPL stage" |
b3ed6ce7 PT |
1544 | depends on TPL_NEEDS_SEPARATE_STACK |
1545 | help | |
1546 | The address of the initial stack-pointer for the TPL stage. | |
1547 | Usually this will be the (aligned) top-of-stack. | |
1548 | ||
95a5825f SG |
1549 | config TPL_READ_ONLY |
1550 | bool | |
1551 | depends on TPL_OF_PLATDATA | |
1552 | select TPL_OF_PLATDATA_NO_BIND | |
1553 | select TPL_OF_PLATDATA_RT | |
1554 | help | |
1555 | Some platforms (e.g. x86 Apollo Lake) load SPL into a read-only | |
1556 | section of memory. This means that of-platdata must make a copy (in | |
1557 | writeable memory) of anything it wants to modify, such as | |
1558 | device-private data. | |
1559 | ||
a954fa32 | 1560 | config TPL_BOOTROM_SUPPORT |
ce869b55 | 1561 | bool "Support returning to the BOOTROM (from TPL)" |
a954fa32 PT |
1562 | help |
1563 | Some platforms (e.g. the Rockchip RK3368) provide support in their | |
1564 | ROM for loading the next boot-stage after performing basic setup | |
1565 | from the TPL stage. | |
1566 | ||
1567 | Enable this option, to return to the BOOTROM through the | |
1568 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the | |
1569 | boot device list, if not implemented for a given board) | |
1570 | ||
e7d285b2 SG |
1571 | config TPL_CRC32 |
1572 | bool "Support CRC32 in TPL" | |
1573 | default y if TPL_ENV_SUPPORT || TPL_BLOBLIST | |
1574 | help | |
1575 | Enable this to support CRC32 in uImages or FIT images within SPL. | |
1576 | This is a 32-bit checksum value that can be used to verify images. | |
1577 | For FIT images, this is the least secure type of checksum, suitable | |
1578 | for detected accidental image corruption. For secure applications you | |
1579 | should consider SHA1 or SHA256. | |
1580 | ||
9ca00684 | 1581 | config TPL_DRIVERS_MISC |
c3916e7b PT |
1582 | bool "Support misc drivers in TPL" |
1583 | help | |
1584 | Enable miscellaneous drivers in TPL. These drivers perform various | |
1585 | tasks that don't fall nicely into other categories, Enable this | |
1586 | option to build the drivers in drivers/misc as part of an TPL | |
1587 | build, for those that support building in TPL (not all drivers do). | |
1588 | ||
f73329ee SG |
1589 | config TPL_ENV_SUPPORT |
1590 | bool "Support an environment" | |
f73329ee SG |
1591 | help |
1592 | Enable environment support in TPL. See SPL_ENV_SUPPORT for details. | |
1593 | ||
83061dbd | 1594 | config TPL_GPIO |
2d424eb0 SG |
1595 | bool "Support GPIO in TPL" |
1596 | help | |
1597 | Enable support for GPIOs (General-purpose Input/Output) in TPL. | |
1598 | GPIOs allow U-Boot to read the state of an input line (high or | |
1599 | low) and set the state of an output line. This can be used to | |
1600 | drive LEDs, control power to various system parts and read user | |
1601 | input. GPIOs can be useful in TPL to enable a 'sign-of-life' LED, | |
1602 | for example. Enable this option to build the drivers in | |
1603 | drivers/gpio as part of an TPL build. | |
1604 | ||
975e7cf3 | 1605 | config TPL_I2C |
f73329ee | 1606 | bool "Support I2C" |
f73329ee | 1607 | help |
975e7cf3 | 1608 | Enable support for the I2C bus in TPL. See SPL_I2C for |
f73329ee SG |
1609 | details. |
1610 | ||
1611 | config TPL_LIBCOMMON_SUPPORT | |
1612 | bool "Support common libraries" | |
f73329ee SG |
1613 | help |
1614 | Enable support for common U-Boot libraries within TPL. See | |
1615 | SPL_LIBCOMMON_SUPPORT for details. | |
1616 | ||
1617 | config TPL_LIBGENERIC_SUPPORT | |
1618 | bool "Support generic libraries" | |
f73329ee SG |
1619 | help |
1620 | Enable support for generic U-Boot libraries within TPL. See | |
1621 | SPL_LIBGENERIC_SUPPORT for details. | |
1622 | ||
6f004ada | 1623 | config TPL_MPC8XXX_INIT_DDR |
f73329ee | 1624 | bool "Support MPC8XXX DDR init" |
f73329ee SG |
1625 | help |
1626 | Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See | |
6f004ada | 1627 | SPL_MPC8XXX_INIT_DDR for details. |
f73329ee | 1628 | |
103c5f18 | 1629 | config TPL_MMC |
f73329ee | 1630 | bool "Support MMC" |
226498b8 | 1631 | depends on MMC |
f73329ee | 1632 | help |
103c5f18 | 1633 | Enable support for MMC within TPL. See SPL_MMC for details. |
f73329ee SG |
1634 | |
1635 | config TPL_NAND_SUPPORT | |
1636 | bool "Support NAND flash" | |
f73329ee | 1637 | help |
616bd09e | 1638 | Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. |
f73329ee | 1639 | |
d50d6817 | 1640 | config TPL_PCI |
2d424eb0 SG |
1641 | bool "Support PCI drivers" |
1642 | help | |
1643 | Enable support for PCI in TPL. For platforms that need PCI to boot, | |
1644 | or must perform some init using PCI in SPL, this provides the | |
1645 | necessary driver support. This enables the drivers in drivers/pci | |
1646 | as part of a TPL build. | |
1647 | ||
15042e7b | 1648 | config TPL_PCH |
2d424eb0 SG |
1649 | bool "Support PCH drivers" |
1650 | help | |
1651 | Enable support for PCH (Platform Controller Hub) devices in TPL. | |
1652 | These are used to set up GPIOs and the SPI peripheral early in | |
1653 | boot. This enables the drivers in drivers/pch as part of a TPL | |
1654 | build. | |
1655 | ||
d79dfd45 MV |
1656 | config TPL_RAM_SUPPORT |
1657 | bool "Support booting from RAM" | |
1658 | help | |
1659 | Enable booting of an image in RAM. The image can be preloaded or | |
1660 | it can be loaded by TPL directly into RAM (e.g. using USB). | |
1661 | ||
1662 | config TPL_RAM_DEVICE | |
1663 | bool "Support booting from preloaded image in RAM" | |
1664 | depends on TPL_RAM_SUPPORT | |
1665 | help | |
1666 | Enable booting of an image already loaded in RAM. The image has to | |
1667 | be already in memory when TPL takes over, e.g. loaded by the boot | |
1668 | ROM. | |
1669 | ||
73c6ff6a | 1670 | config TPL_RTC |
2d424eb0 SG |
1671 | bool "Support RTC drivers" |
1672 | help | |
1673 | Enable RTC (Real-time Clock) support in TPL. This includes support | |
1674 | for reading and setting the time. Some RTC devices also have some | |
1675 | non-volatile (battery-backed) memory which is accessible if | |
1676 | needed. This enables the drivers in drivers/rtc as part of an TPL | |
1677 | build. | |
1678 | ||
2a736066 | 1679 | config TPL_SERIAL |
f73329ee | 1680 | bool "Support serial" |
14ad44ab AK |
1681 | select TPL_PRINTF |
1682 | select TPL_STRTO | |
f73329ee | 1683 | help |
2a736066 | 1684 | Enable support for serial in TPL. See SPL_SERIAL for |
f73329ee SG |
1685 | details. |
1686 | ||
1687 | config TPL_SPI_FLASH_SUPPORT | |
1688 | bool "Support SPI flash drivers" | |
f73329ee | 1689 | help |
616bd09e | 1690 | Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT |
f73329ee SG |
1691 | for details. |
1692 | ||
f38a2999 SG |
1693 | config TPL_SPI_FLASH_TINY |
1694 | bool "Enable low footprint TPL SPI Flash support" | |
1695 | depends on TPL_SPI_FLASH_SUPPORT && !SPI_FLASH_BAR | |
1696 | default y if SPI_FLASH | |
1697 | help | |
1698 | Enable lightweight TPL SPI Flash support that supports just reading | |
1699 | data/images from flash. No support to write/erase flash. Enable | |
1700 | this if you have TPL size limitations and don't need full-fledged | |
1701 | SPI flash support. | |
1702 | ||
1e725e27 MV |
1703 | config TPL_SPI_LOAD |
1704 | bool "Support loading from SPI flash" | |
1705 | depends on TPL_SPI_FLASH_SUPPORT | |
1706 | help | |
1707 | Enable support for loading next stage, U-Boot or otherwise, from | |
1708 | SPI NOR in U-Boot TPL. | |
1709 | ||
ea2ca7e1 | 1710 | config TPL_SPI |
f73329ee | 1711 | bool "Support SPI drivers" |
f73329ee | 1712 | help |
ea2ca7e1 | 1713 | Enable support for using SPI in TPL. See SPL_SPI for |
f73329ee SG |
1714 | details. |
1715 | ||
56c40460 LM |
1716 | config TPL_DM_SPI |
1717 | bool "Support SPI DM drivers in TPL" | |
1718 | help | |
1719 | Enable support for SPI DM drivers in TPL. | |
1720 | ||
1721 | config TPL_DM_SPI_FLASH | |
1722 | bool "Support SPI DM FLASH drivers in TPL" | |
1723 | help | |
1724 | Enable support for SPI DM flash drivers in TPL. | |
1725 | ||
6ce3d67c MV |
1726 | config TPL_YMODEM_SUPPORT |
1727 | bool "Support loading using Ymodem" | |
2a736066 | 1728 | depends on TPL_SERIAL |
6ce3d67c MV |
1729 | help |
1730 | While loading from serial is slow it can be a useful backup when | |
1731 | there is no other option. The Ymodem protocol provides a reliable | |
1732 | means of transmitting U-Boot over a serial line for using in TPL, | |
1733 | with a checksum to ensure correctness. | |
1734 | ||
226498b8 TR |
1735 | endif # TPL |
1736 | ||
747093dd SG |
1737 | config VPL |
1738 | bool | |
1739 | depends on SUPPORT_SPL | |
1740 | prompt "Enable VPL" | |
1741 | help | |
1742 | If you want to build VPL as well as the normal image, TPL and SPL, | |
1743 | say Y. | |
1744 | ||
1745 | if VPL | |
1746 | ||
1747 | config VPL_BANNER_PRINT | |
1748 | bool "Enable output of the VPL banner 'U-Boot VPL ...'" | |
1749 | depends on VPL | |
1750 | default y | |
1751 | help | |
1752 | If this option is enabled, VPL will print the banner with version | |
1753 | info. Disabling this option could be useful to reduce VPL boot time | |
1754 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). | |
1755 | ||
1756 | config VPL_BOARD_INIT | |
1757 | bool "Call board-specific initialization in VPL" | |
1758 | help | |
1759 | If this option is enabled, U-Boot will call the function | |
1760 | spl_board_init() from board_init_r(). This function should be | |
1761 | provided by the board. | |
1762 | ||
1763 | config VPL_CACHE | |
1764 | depends on CACHE | |
1765 | bool "Support cache drivers in VPL" | |
1766 | help | |
1767 | Enable support for cache drivers in VPL. | |
1768 | ||
1769 | config VPL_CRC32 | |
1770 | bool "Support CRC32 in VPL" | |
1771 | default y if VPL_ENV_SUPPORT || VPL_BLOBLIST | |
1772 | help | |
1773 | Enable this to support CRC32 in uImages or FIT images within VPL. | |
1774 | This is a 32-bit checksum value that can be used to verify images. | |
1775 | For FIT images, this is the least secure type of checksum, suitable | |
1776 | for detected accidental image corruption. For secure applications you | |
1777 | should consider SHA1 or SHA256. | |
1778 | ||
1779 | config VPL_DM_SPI | |
1780 | bool "Support SPI DM drivers in VPL" | |
1781 | help | |
1782 | Enable support for SPI DM drivers in VPL. | |
1783 | ||
1784 | config VPL_DM_SPI_FLASH | |
1785 | bool "Support SPI DM FLASH drivers in VPL" | |
1786 | help | |
1787 | Enable support for SPI DM flash drivers in VPL. | |
1788 | ||
1789 | config VPL_FRAMEWORK | |
1790 | bool "Support VPL based upon the common SPL framework" | |
1791 | default y | |
1792 | help | |
1793 | Enable the SPL framework under common/spl/ for VPL builds. | |
1794 | This framework supports MMC, NAND and YMODEM and other methods | |
1795 | loading of U-Boot's next stage. If unsure, say Y. | |
1796 | ||
1797 | config VPL_HANDOFF | |
1798 | bool "Pass hand-off information from VPL to SPL" | |
1799 | depends on HANDOFF && VPL_BLOBLIST | |
1800 | default y | |
1801 | help | |
1802 | This option enables VPL to write handoff information. This can be | |
1803 | used to pass information like the size of SDRAM from VPL to SPL. Also | |
1804 | VPL can receive information from TPL in the same place if that is | |
1805 | enabled. | |
1806 | ||
1807 | config VPL_LIBCOMMON_SUPPORT | |
1808 | bool "Support common libraries" | |
1809 | default y if SPL_LIBCOMMON_SUPPORT | |
1810 | help | |
1811 | Enable support for common U-Boot libraries within VPL. See | |
1812 | SPL_LIBCOMMON_SUPPORT for details. | |
1813 | ||
1814 | config VPL_LIBGENERIC_SUPPORT | |
1815 | bool "Support generic libraries" | |
1816 | default y if SPL_LIBGENERIC_SUPPORT | |
1817 | help | |
1818 | Enable support for generic U-Boot libraries within VPL. These | |
1819 | libraries include generic code to deal with device tree, hashing, | |
1820 | printf(), compression and the like. This option is enabled on many | |
1821 | boards. Enable this option to build the code in lib/ as part of a | |
1822 | VPL build. | |
1823 | ||
1824 | config VPL_DRIVERS_MISC | |
1825 | bool "Support misc drivers" | |
1826 | default y if TPL_DRIVERS_MISC | |
1827 | help | |
1828 | Enable miscellaneous drivers in VPL. These drivers perform various | |
1829 | tasks that don't fall nicely into other categories, Enable this | |
1830 | option to build the drivers in drivers/misc as part of a VPL | |
1831 | build, for those that support building in VPL (not all drivers do). | |
1832 | ||
1833 | config VPL_ENV_SUPPORT | |
1834 | bool "Support an environment" | |
1835 | help | |
1836 | Enable environment support in VPL. The U-Boot environment provides | |
1837 | a number of settings (essentially name/value pairs) which can | |
1838 | control many aspects of U-Boot's operation. Enabling this option will | |
1839 | make env_get() and env_set() available in VSPL. | |
1840 | ||
1841 | config VPL_GPIO | |
1842 | bool "Support GPIO in VPL" | |
1843 | default y if SPL_GPIO | |
1844 | help | |
1845 | Enable support for GPIOs (General-purpose Input/Output) in VPL. | |
1846 | GPIOs allow U-Boot to read the state of an input line (high or | |
1847 | low) and set the state of an output line. This can be used to | |
1848 | drive LEDs, control power to various system parts and read user | |
1849 | input. GPIOs can be useful in VPL to enable a 'sign-of-life' LED, | |
1850 | for example. Enable this option to build the drivers in | |
1851 | drivers/gpio as part of a VPL build. | |
1852 | ||
1853 | config VPL_HANDOFF | |
1854 | bool "Pass hand-off information from VPL to SPL and U-Boot proper" | |
1855 | depends on HANDOFF && VPL_BLOBLIST | |
1856 | default y | |
1857 | help | |
1858 | This option enables VPL to write handoff information. This can be | |
1859 | used to pass information like the size of SDRAM from VPL to U-Boot | |
1860 | proper. The information is also available to VPL if it is useful | |
1861 | there. | |
1862 | ||
1863 | config VPL_HASH | |
1864 | bool "Support hashing drivers in VPL" | |
1865 | depends on VPL | |
1866 | select SHA1 | |
1867 | select SHA256 | |
1868 | help | |
1869 | Enable hashing drivers in VPL. These drivers can be used to | |
1870 | accelerate secure boot processing in secure applications. Enable | |
1871 | this option to build system-specific drivers for hash acceleration | |
1872 | as part of a VPL build. | |
1873 | ||
1874 | config VPL_I2C_SUPPORT | |
1875 | bool "Support I2C in VPL" | |
1876 | default y if SPL_I2C_SUPPORT | |
1877 | help | |
1878 | Enable support for the I2C bus in VPL. Vee SPL_I2C_SUPPORT for | |
1879 | details. | |
1880 | ||
1881 | config VPL_PCH_SUPPORT | |
1882 | bool "Support PCH drivers" | |
1883 | default y if TPL_PCH_SUPPORT | |
1884 | help | |
1885 | Enable support for PCH (Platform Controller Hub) devices in VPL. | |
1886 | These are used to set up GPIOs and the SPI peripheral early in | |
1887 | boot. This enables the drivers in drivers/pch as part of a VPL | |
1888 | build. | |
1889 | ||
1890 | config VPL_PCI | |
1891 | bool "Support PCI drivers" | |
1892 | default y if SPL_PCI | |
1893 | help | |
1894 | Enable support for PCI in VPL. For platforms that need PCI to boot, | |
1895 | or must perform some init using PCI in VPL, this provides the | |
1896 | necessary driver support. This enables the drivers in drivers/pci | |
1897 | as part of a VPL build. | |
1898 | ||
1899 | config VPL_RTC | |
1900 | bool "Support RTC drivers" | |
1901 | help | |
1902 | Enable RTC (Real-time Clock) support in VPL. This includes support | |
1903 | for reading and setting the time. Some RTC devices also have some | |
1904 | non-volatile (battery-backed) memory which is accessible if | |
1905 | needed. This enables the drivers in drivers/rtc as part of a VPL | |
1906 | build. | |
1907 | ||
1908 | config VPL_SERIAL | |
1909 | bool "Support serial" | |
1910 | default y if TPL_SERIAL | |
1911 | select VPL_PRINTF | |
1912 | select VPL_STRTO | |
1913 | help | |
1914 | Enable support for serial in VPL. See SPL_SERIAL_SUPPORT for | |
1915 | details. | |
1916 | ||
1917 | config VPL_SIZE_LIMIT | |
1918 | hex "Maximum size of VPL image" | |
1919 | depends on VPL | |
1920 | default 0x0 | |
1921 | help | |
1922 | Specifies the maximum length of the U-Boot VPL image. | |
1923 | If this value is zero, it is ignored. | |
1924 | ||
1925 | config VPL_SPI | |
1926 | bool "Support SPI drivers" | |
1927 | help | |
1928 | Enable support for using SPI in VPL. See SPL_SPI_SUPPORT for | |
1929 | details. | |
1930 | ||
1931 | config VPL_SPI_FLASH_SUPPORT | |
1932 | bool "Support SPI flash drivers" | |
1933 | help | |
1934 | Enable support for using SPI flash in VPL, and loading U-Boot from | |
1935 | SPI flash. SPI flash (Serial Peripheral Bus flash) is named after | |
1936 | the SPI bus that is used to connect it to a system. It is a simple | |
1937 | but fast bidirectional 4-wire bus (clock, chip select and two data | |
1938 | lines). This enables the drivers in drivers/mtd/spi as part of a | |
1939 | VPL build. This normally requires VPL_SPI_SUPPORT. | |
1940 | ||
1941 | config VPL_TEXT_BASE | |
1942 | hex "VPL Text Base" | |
1943 | default 0x0 | |
1944 | help | |
1945 | The address in memory that VPL will be running from. | |
1946 | ||
1947 | endif # VPL | |
1948 | ||
0be07872 EH |
1949 | config SPL_AT91_MCK_BYPASS |
1950 | bool "Use external clock signal as a source of main clock for AT91 platforms" | |
1951 | depends on ARCH_AT91 | |
0be07872 EH |
1952 | help |
1953 | Use external 8 to 24 Mhz clock signal as source of main clock instead | |
1954 | of an external crystal oscillator. | |
1955 | This option disables the internal driving on the XOUT pin. | |
1956 | The external source has to provide a stable clock on the XIN pin. | |
1957 | If this option is disabled, the SoC expects a crystal oscillator | |
1958 | that needs driving on both XIN and XOUT lines. | |
1959 | ||
226498b8 | 1960 | endif # SPL |
11bde1cd | 1961 | endmenu |