Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1 | menu "SPL / TPL" |
| 2 | |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 3 | config SUPPORT_SPL |
| 4 | bool |
| 5 | |
| 6 | config SUPPORT_TPL |
| 7 | bool |
| 8 | |
B, Ravi | 4cca5cf | 2017-05-04 15:45:29 +0530 | [diff] [blame] | 9 | config SPL_DFU_NO_RESET |
| 10 | bool |
| 11 | |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 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 | |
Tom Rini | 623d67e | 2018-02-06 12:15:38 -0500 | [diff] [blame] | 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 | |
Simon Goldschmidt | c272283 | 2019-05-24 22:07:04 +0200 | [diff] [blame] | 28 | config SPL_SIZE_LIMIT |
Tom Rini | 764f766 | 2019-06-07 20:39:32 -0400 | [diff] [blame] | 29 | int "Maximum size of SPL image" |
Simon Goldschmidt | c272283 | 2019-05-24 22:07:04 +0200 | [diff] [blame] | 30 | depends on SPL |
Fabio Estevam | 8ea5220 | 2019-06-08 14:56:44 -0300 | [diff] [blame] | 31 | default 69632 if ARCH_MX6 |
Simon Goldschmidt | c272283 | 2019-05-24 22:07:04 +0200 | [diff] [blame] | 32 | default 0 |
| 33 | help |
| 34 | Specifies the maximum length of the U-Boot SPL image. |
| 35 | If this value is zero, it is ignored. |
| 36 | |
| 37 | config SPL_SIZE_LIMIT_SUBTRACT_GD |
| 38 | bool "SPL image size check: provide space for global data" |
| 39 | depends on SPL_SIZE_LIMIT > 0 |
| 40 | help |
| 41 | If enabled, aligned size of global data is reserved in |
| 42 | SPL_SIZE_LIMIT check to ensure such an image does not overflow SRAM |
| 43 | if SPL_SIZE_LIMIT describes the size of SRAM available for SPL when |
| 44 | pre-reloc global data is put into this SRAM, too. |
| 45 | |
| 46 | config SPL_SIZE_LIMIT_SUBTRACT_MALLOC |
| 47 | bool "SPL image size check: provide space for malloc() pool before relocation" |
| 48 | depends on SPL_SIZE_LIMIT > 0 |
| 49 | help |
| 50 | If enabled, SPL_SYS_MALLOC_F_LEN is reserved in SPL_SIZE_LIMIT check |
| 51 | to ensure such an image does not overflow SRAM if SPL_SIZE_LIMIT |
| 52 | describes the size of SRAM available for SPL when pre-reloc malloc |
| 53 | pool is put into this SRAM, too. |
| 54 | |
| 55 | config SPL_SIZE_LIMIT_PROVIDE_STACK |
| 56 | hex "SPL image size check: provide stack space before relocation" |
| 57 | depends on SPL_SIZE_LIMIT > 0 |
| 58 | default 0 |
| 59 | help |
| 60 | If set, this size is reserved in SPL_SIZE_LIMIT check to ensure such |
| 61 | an image does not overflow SRAM if SPL_SIZE_LIMIT describes the size |
| 62 | of SRAM available for SPL when the stack required before reolcation |
| 63 | uses this SRAM, too. |
| 64 | |
Simon Goldschmidt | 0b82085 | 2019-07-16 22:30:36 +0200 | [diff] [blame] | 65 | config SPL_SYS_STACK_F_CHECK_BYTE |
| 66 | hex |
| 67 | default 0xaa |
| 68 | help |
| 69 | Constant used to check the stack |
| 70 | |
| 71 | config SPL_SYS_REPORT_STACK_F_USAGE |
| 72 | depends on SPL_SIZE_LIMIT_PROVIDE_STACK != 0 |
| 73 | bool "Check and report stack usage in SPL before relocation" |
| 74 | help |
| 75 | If this option is enabled, the initial SPL stack is filled with 0xaa |
| 76 | very early, up to the size configured with |
| 77 | SPL_SIZE_LIMIT_PROVIDE_STACK. |
| 78 | Later when SPL is done using this initial stack and switches to a |
| 79 | stack in DRAM, the actually used size of this initial stack is |
| 80 | reported by examining the memory and searching for the lowest |
| 81 | occurrence of non 0xaa bytes. |
| 82 | This default implementation works for stacks growing down only. |
| 83 | |
Tom Rini | e5678e4 | 2019-06-01 14:20:25 -0400 | [diff] [blame] | 84 | menu "PowerPC SPL Boot options" |
| 85 | depends on PPC && (SUPPORT_SPL && !SPL_FRAMEWORK) |
| 86 | |
| 87 | config SPL_NAND_BOOT |
| 88 | bool "Load SPL from NAND flash" |
| 89 | |
| 90 | config SPL_MMC_BOOT |
| 91 | bool "Load SPL from SD Card / eMMC" |
| 92 | |
| 93 | config SPL_SPI_BOOT |
| 94 | bool "Load SPL from SPI flash" |
| 95 | |
| 96 | config SPL_FSL_PBL |
| 97 | bool "Create SPL in Freescale PBI format" |
| 98 | help |
| 99 | Create boot binary having SPL binary in PBI format concatenated with |
| 100 | u-boot binary. |
| 101 | |
| 102 | endmenu |
| 103 | |
Simon Glass | e14f1a2 | 2018-11-15 18:44:09 -0700 | [diff] [blame] | 104 | config HANDOFF |
| 105 | bool "Pass hand-off information from SPL to U-Boot proper" |
| 106 | depends on BLOBLIST |
| 107 | help |
| 108 | It is useful to be able to pass information from SPL to U-Boot |
| 109 | proper to preserve state that is known in SPL and is needed in U-Boot. |
| 110 | Enable this to locate the handoff information in U-Boot proper, early |
| 111 | in boot. It is available in gd->handoff. The state state is set up |
| 112 | in SPL (or TPL if that is being used). |
| 113 | |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 114 | if SPL |
| 115 | |
Simon Glass | e14f1a2 | 2018-11-15 18:44:09 -0700 | [diff] [blame] | 116 | config SPL_HANDOFF |
| 117 | bool "Pass hand-off information from SPL to U-Boot proper" |
| 118 | depends on HANDOFF |
| 119 | default y |
| 120 | help |
| 121 | This option enables SPL to write handoff information. This can be |
| 122 | used to pass information like the size of SDRAM from SPL to U-Boot |
| 123 | proper. Also SPL can receive information from TPL in the same place |
| 124 | if that is enabled. |
| 125 | |
Philipp Tomsich | be1c53a | 2017-07-28 19:20:49 +0200 | [diff] [blame] | 126 | config SPL_LDSCRIPT |
| 127 | string "Linker script for the SPL stage" |
| 128 | default "arch/$(ARCH)/cpu/u-boot-spl.lds" |
Philipp Tomsich | be1c53a | 2017-07-28 19:20:49 +0200 | [diff] [blame] | 129 | help |
| 130 | The SPL stage will usually require a different linker-script |
| 131 | (as it runs from a different memory region) than the regular |
| 132 | U-Boot stage. Set this to the path of the linker-script to |
| 133 | be used for SPL. |
| 134 | |
Simon Goldschmidt | cc4078c | 2018-09-30 14:31:53 +0200 | [diff] [blame] | 135 | config SPL_TEXT_BASE |
| 136 | hex "SPL Text Base" |
| 137 | default ISW_ENTRY_ADDR if AM43XX || AM33XX || OMAP54XX || ARCH_KEYSTONE |
Andre Przywara | d38c8ad | 2019-05-27 01:45:11 +0100 | [diff] [blame] | 138 | default 0x10060 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN9I |
| 139 | default 0x20060 if MACH_SUN50I_H6 |
| 140 | default 0x00060 if ARCH_SUNXI |
Simon Goldschmidt | cc4078c | 2018-09-30 14:31:53 +0200 | [diff] [blame] | 141 | default 0x0 |
| 142 | help |
| 143 | The address in memory that SPL will be running from. |
| 144 | |
Ley Foon Tan | 48fcc4a | 2017-05-03 17:13:32 +0800 | [diff] [blame] | 145 | config SPL_BOARD_INIT |
Ley Foon Tan | 48fcc4a | 2017-05-03 17:13:32 +0800 | [diff] [blame] | 146 | bool "Call board-specific initialization in SPL" |
| 147 | help |
| 148 | If this option is enabled, U-Boot will call the function |
| 149 | spl_board_init() from board_init_r(). This function should be |
| 150 | provided by the board. |
| 151 | |
Philipp Tomsich | 83ad702 | 2017-06-22 23:38:36 +0200 | [diff] [blame] | 152 | config SPL_BOOTROM_SUPPORT |
| 153 | bool "Support returning to the BOOTROM" |
| 154 | help |
| 155 | Some platforms (e.g. the Rockchip RK3368) provide support in their |
| 156 | ROM for loading the next boot-stage after performing basic setup |
| 157 | from the SPL stage. |
| 158 | |
| 159 | Enable this option, to return to the BOOTROM through the |
| 160 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the |
| 161 | boot device list, if not implemented for a given board) |
| 162 | |
Lukasz Majewski | 97c995d | 2018-05-02 16:10:50 +0200 | [diff] [blame] | 163 | config SPL_BOOTCOUNT_LIMIT |
| 164 | bool "Support bootcount in SPL" |
| 165 | depends on SPL_ENV_SUPPORT |
| 166 | help |
| 167 | On some boards, which use 'falcon' mode, it is necessary to check |
| 168 | and increment the number of boot attempts. Such boards do not |
| 169 | use proper U-Boot for normal boot flow and hence needs those |
| 170 | adjustments to be done in the SPL. |
| 171 | |
Andrew F. Davis | b4be3c3 | 2017-02-16 11:18:38 -0600 | [diff] [blame] | 172 | config SPL_RAW_IMAGE_SUPPORT |
| 173 | bool "Support SPL loading and booting of RAW images" |
Andrew F. Davis | b4be3c3 | 2017-02-16 11:18:38 -0600 | [diff] [blame] | 174 | default n if (ARCH_MX6 && (SPL_MMC_SUPPORT || SPL_SATA_SUPPORT)) |
Andrew F. Davis | 1c97f1e | 2017-02-16 11:18:40 -0600 | [diff] [blame] | 175 | default y if !TI_SECURE_DEVICE |
Andrew F. Davis | b4be3c3 | 2017-02-16 11:18:38 -0600 | [diff] [blame] | 176 | help |
| 177 | SPL will support loading and booting a RAW image when this option |
| 178 | is y. If this is not set, SPL will move on to other available |
| 179 | boot media to find a suitable image. |
| 180 | |
Andrew F. Davis | 7463034 | 2017-02-16 11:18:39 -0600 | [diff] [blame] | 181 | config SPL_LEGACY_IMAGE_SUPPORT |
| 182 | bool "Support SPL loading and booting of Legacy images" |
Tom Rini | 6c9771e | 2019-05-23 07:14:08 -0400 | [diff] [blame] | 183 | default y if !TI_SECURE_DEVICE && !SPL_LOAD_FIT |
Andrew F. Davis | 7463034 | 2017-02-16 11:18:39 -0600 | [diff] [blame] | 184 | help |
| 185 | SPL will support loading and booting Legacy images when this option |
| 186 | is y. If this is not set, SPL will move on to other available |
| 187 | boot media to find a suitable image. |
| 188 | |
Simon Goldschmidt | 1714047 | 2019-02-10 21:34:37 +0100 | [diff] [blame] | 189 | config SPL_LEGACY_IMAGE_CRC_CHECK |
| 190 | bool "Check CRC of Legacy images" |
| 191 | depends on SPL_LEGACY_IMAGE_SUPPORT |
| 192 | select SPL_CRC32_SUPPORT |
| 193 | help |
| 194 | Enable this to check the CRC of Legacy images. While this increases |
| 195 | reliability, it affects both code size and boot duration. |
| 196 | If disabled, Legacy images are booted if the image magic and size |
| 197 | are correct, without further integrity checks. |
| 198 | |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 199 | config SPL_SYS_MALLOC_SIMPLE |
| 200 | bool |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 201 | prompt "Only use malloc_simple functions in the SPL" |
| 202 | help |
| 203 | Say Y here to only use the *_simple malloc functions from |
| 204 | malloc_simple.c, rather then using the versions from dlmalloc.c; |
| 205 | this will make the SPL binary smaller at the cost of more heap |
| 206 | usage as the *_simple malloc functions do not re-use free-ed mem. |
| 207 | |
Philipp Tomsich | 0c8e75c | 2017-06-30 18:57:25 +0200 | [diff] [blame] | 208 | config TPL_SYS_MALLOC_SIMPLE |
| 209 | bool |
| 210 | prompt "Only use malloc_simple functions in the TPL" |
Adam Ford | 43a1e2d | 2019-08-13 14:32:30 -0500 | [diff] [blame] | 211 | depends on TPL |
Philipp Tomsich | 0c8e75c | 2017-06-30 18:57:25 +0200 | [diff] [blame] | 212 | help |
| 213 | Say Y here to only use the *_simple malloc functions from |
| 214 | malloc_simple.c, rather then using the versions from dlmalloc.c; |
| 215 | this will make the TPL binary smaller at the cost of more heap |
| 216 | usage as the *_simple malloc functions do not re-use free-ed mem. |
| 217 | |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 218 | config SPL_STACK_R |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 219 | bool "Enable SDRAM location for SPL stack" |
| 220 | help |
| 221 | SPL starts off execution in SRAM and thus typically has only a small |
| 222 | stack available. Since SPL sets up DRAM while in its board_init_f() |
| 223 | function, it is possible for the stack to move there before |
| 224 | board_init_r() is reached. This option enables a special SDRAM |
| 225 | location for the SPL stack. U-Boot SPL switches to this after |
| 226 | board_init_f() completes, and before board_init_r() starts. |
| 227 | |
| 228 | config SPL_STACK_R_ADDR |
| 229 | depends on SPL_STACK_R |
| 230 | hex "SDRAM location for SPL stack" |
Tom Rini | c37e0cf | 2017-09-17 11:44:49 -0400 | [diff] [blame] | 231 | default 0x82000000 if ARCH_OMAP2PLUS |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 232 | help |
| 233 | Specify the address in SDRAM for the SPL stack. This will be set up |
| 234 | before board_init_r() is called. |
| 235 | |
| 236 | config SPL_STACK_R_MALLOC_SIMPLE_LEN |
| 237 | depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE |
| 238 | hex "Size of malloc_simple heap after switching to DRAM SPL stack" |
| 239 | default 0x100000 |
| 240 | help |
| 241 | Specify the amount of the stack to use as memory pool for |
| 242 | malloc_simple after switching the stack to DRAM. This may be set |
| 243 | to give board_init_r() a larger heap then the initial heap in |
| 244 | SRAM which is limited to SYS_MALLOC_F_LEN bytes. |
| 245 | |
| 246 | config SPL_SEPARATE_BSS |
Simon Glass | ffe1976 | 2016-09-12 23:18:22 -0600 | [diff] [blame] | 247 | bool "BSS section is in a different memory region from text" |
| 248 | help |
| 249 | Some platforms need a large BSS region in SPL and can provide this |
| 250 | because RAM is already set up. In this case BSS can be moved to RAM. |
| 251 | This option should then be enabled so that the correct device tree |
| 252 | location is used. Normally we put the device tree at the end of BSS |
| 253 | but with this option enabled, it goes at _image_binary_end. |
| 254 | |
Simon Glass | 6324cce | 2018-11-15 18:43:57 -0700 | [diff] [blame] | 255 | config SPL_BANNER_PRINT |
| 256 | bool "Enable output of the SPL banner 'U-Boot SPL ...'" |
| 257 | default y |
| 258 | help |
| 259 | If this option is enabled, SPL will print the banner with version |
| 260 | info. Disabling this option could be useful to reduce TPL boot time |
| 261 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). |
| 262 | |
| 263 | config TPL_BANNER_PRINT |
| 264 | bool "Enable output of the TPL banner 'U-Boot TPL ...'" |
Adam Ford | 43a1e2d | 2019-08-13 14:32:30 -0500 | [diff] [blame] | 265 | depends on TPL |
Simon Glass | 6324cce | 2018-11-15 18:43:57 -0700 | [diff] [blame] | 266 | default y |
Anatolij Gustschin | 6fe74d2 | 2018-01-25 18:45:22 +0100 | [diff] [blame] | 267 | help |
| 268 | If this option is enabled, SPL will not print the banner with version |
Simon Glass | 6324cce | 2018-11-15 18:43:57 -0700 | [diff] [blame] | 269 | info. Disabling this option could be useful to reduce SPL boot time |
| 270 | (e.g. approx. 6 ms faster, when output on i.MX6 with 115200 baud). |
Anatolij Gustschin | 6fe74d2 | 2018-01-25 18:45:22 +0100 | [diff] [blame] | 271 | |
Andreas Dannenberg | aa4ad4b | 2019-06-04 17:55:45 -0500 | [diff] [blame] | 272 | config SPL_EARLY_BSS |
| 273 | depends on ARM && !ARM64 |
| 274 | bool "Allows initializing BSS early before entering board_init_f" |
| 275 | help |
| 276 | On some platform we have sufficient memory available early on to |
| 277 | allow setting up and using a basic BSS prior to entering |
| 278 | board_init_f. Activating this option will also de-activate the |
| 279 | clearing of BSS during the SPL relocation process, thus allowing |
| 280 | to carry state from board_init_f to board_init_r by way of BSS. |
| 281 | |
Simon Glass | f481ab1 | 2016-09-24 18:19:56 -0600 | [diff] [blame] | 282 | config SPL_DISPLAY_PRINT |
Simon Glass | f481ab1 | 2016-09-24 18:19:56 -0600 | [diff] [blame] | 283 | bool "Display a board-specific message in SPL" |
| 284 | help |
| 285 | If this option is enabled, U-Boot will call the function |
| 286 | spl_display_print() immediately after displaying the SPL console |
| 287 | banner ("U-Boot SPL ..."). This function should be provided by |
| 288 | the board. |
| 289 | |
Semen Protsenko | 7e3ba48 | 2016-11-16 19:19:05 +0200 | [diff] [blame] | 290 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
| 291 | bool "MMC raw mode: by sector" |
Fabio Estevam | 22a1fab | 2018-06-11 15:08:05 -0300 | [diff] [blame] | 292 | default y if ARCH_SUNXI || ARCH_DAVINCI || ARCH_UNIPHIER || \ |
| 293 | ARCH_MX6 || ARCH_MX7 || \ |
Semen Protsenko | 7e3ba48 | 2016-11-16 19:19:05 +0200 | [diff] [blame] | 294 | ARCH_ROCKCHIP || ARCH_MVEBU || ARCH_SOCFPGA || \ |
| 295 | ARCH_AT91 || ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || \ |
| 296 | OMAP44XX || OMAP54XX || AM33XX || AM43XX |
| 297 | help |
| 298 | Use sector number for specifying U-Boot location on MMC/SD in |
| 299 | raw mode. |
| 300 | |
| 301 | config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR |
| 302 | hex "Address on the MMC to load U-Boot from" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 303 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR |
Semen Protsenko | 7e3ba48 | 2016-11-16 19:19:05 +0200 | [diff] [blame] | 304 | default 0x50 if ARCH_SUNXI |
| 305 | default 0x75 if ARCH_DAVINCI |
Fabio Estevam | 22a1fab | 2018-06-11 15:08:05 -0300 | [diff] [blame] | 306 | default 0x8a if ARCH_MX6 || ARCH_MX7 |
Kever Yang | 6cc131d | 2017-11-02 15:16:34 +0800 | [diff] [blame] | 307 | default 0x100 if ARCH_UNIPHIER |
Semen Protsenko | 7e3ba48 | 2016-11-16 19:19:05 +0200 | [diff] [blame] | 308 | default 0x140 if ARCH_MVEBU |
| 309 | default 0x200 if ARCH_SOCFPGA || ARCH_AT91 |
| 310 | default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \ |
Lokesh Vutla | 9bdec00 | 2018-08-27 15:57:08 +0530 | [diff] [blame] | 311 | OMAP54XX || AM33XX || AM43XX || ARCH_K3 |
Kever Yang | 6cc131d | 2017-11-02 15:16:34 +0800 | [diff] [blame] | 312 | default 0x4000 if ARCH_ROCKCHIP |
Semen Protsenko | 7e3ba48 | 2016-11-16 19:19:05 +0200 | [diff] [blame] | 313 | help |
| 314 | Address on the MMC to load U-Boot from, when the MMC is being used |
| 315 | in raw mode. Units: MMC sectors (1 sector = 512 bytes). |
| 316 | |
Dalon Westergreen | f5ba985 | 2017-02-10 17:15:35 -0800 | [diff] [blame] | 317 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
| 318 | bool "MMC Raw mode: by partition" |
Dalon Westergreen | f5ba985 | 2017-02-10 17:15:35 -0800 | [diff] [blame] | 319 | help |
| 320 | Use a partition for loading U-Boot when using MMC/SD in raw mode. |
| 321 | |
| 322 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION |
| 323 | hex "Partition to use to load U-Boot from" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 324 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
Dalon Westergreen | f5ba985 | 2017-02-10 17:15:35 -0800 | [diff] [blame] | 325 | default 1 |
| 326 | help |
| 327 | Partition on the MMC to load U-Boot from when the MMC is being |
| 328 | used in raw mode |
| 329 | |
Dalon Westergreen | 8d770f4 | 2017-02-10 17:15:34 -0800 | [diff] [blame] | 330 | config SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
| 331 | bool "MMC raw mode: by partition type" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 332 | depends on DOS_PARTITION && SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION |
Dalon Westergreen | 8d770f4 | 2017-02-10 17:15:34 -0800 | [diff] [blame] | 333 | help |
| 334 | Use partition type for specifying U-Boot partition on MMC/SD in |
| 335 | raw mode. U-Boot will be loaded from the first partition of this |
| 336 | type to be found. |
| 337 | |
| 338 | config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_TYPE |
| 339 | hex "Partition Type on the MMC to load U-Boot from" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 340 | depends on SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION_TYPE |
Dalon Westergreen | 8d770f4 | 2017-02-10 17:15:34 -0800 | [diff] [blame] | 341 | help |
| 342 | Partition Type on the MMC to load U-Boot from, when the MMC is being |
| 343 | used in raw mode. |
| 344 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 345 | config SPL_CRC32_SUPPORT |
| 346 | bool "Support CRC32" |
Simon Goldschmidt | 1714047 | 2019-02-10 21:34:37 +0100 | [diff] [blame] | 347 | default y if SPL_LEGACY_IMAGE_SUPPORT |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 348 | help |
Simon Goldschmidt | 1714047 | 2019-02-10 21:34:37 +0100 | [diff] [blame] | 349 | Enable this to support CRC32 in uImages or FIT images within SPL. |
| 350 | This is a 32-bit checksum value that can be used to verify images. |
| 351 | For FIT images, this is the least secure type of checksum, suitable |
| 352 | for detected accidental image corruption. For secure applications you |
| 353 | should consider SHA1 or SHA256. |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 354 | |
| 355 | config SPL_MD5_SUPPORT |
| 356 | bool "Support MD5" |
| 357 | depends on SPL_FIT |
| 358 | help |
| 359 | Enable this to support MD5 in FIT images within SPL. An MD5 |
| 360 | checksum is a 128-bit hash value used to check that the image |
| 361 | contents have not been corrupted. Note that MD5 is not considered |
| 362 | secure as it is possible (with a brute-force attack) to adjust the |
| 363 | image while still retaining the same MD5 hash value. For secure |
| 364 | applications where images may be changed maliciously, you should |
| 365 | consider SHA1 or SHA256. |
| 366 | |
| 367 | config SPL_SHA1_SUPPORT |
| 368 | bool "Support SHA1" |
| 369 | depends on SPL_FIT |
Tom Rini | 5bdd919 | 2017-05-15 12:17:49 -0400 | [diff] [blame] | 370 | select SHA1 |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 371 | help |
| 372 | Enable this to support SHA1 in FIT images within SPL. A SHA1 |
| 373 | checksum is a 160-bit (20-byte) hash value used to check that the |
| 374 | image contents have not been corrupted or maliciously altered. |
| 375 | While SHA1 is fairly secure it is coming to the end of its life |
Vagrant Cascadian | 973c099 | 2019-05-03 14:28:37 -0800 | [diff] [blame] | 376 | due to the expanding computing power available to brute-force |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 377 | attacks. For more security, consider SHA256. |
| 378 | |
| 379 | config SPL_SHA256_SUPPORT |
| 380 | bool "Support SHA256" |
| 381 | depends on SPL_FIT |
Tom Rini | 5bdd919 | 2017-05-15 12:17:49 -0400 | [diff] [blame] | 382 | select SHA256 |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 383 | help |
| 384 | Enable this to support SHA256 in FIT images within SPL. A SHA256 |
| 385 | checksum is a 256-bit (32-byte) hash value used to check that the |
| 386 | image contents have not been corrupted. SHA256 is recommended for |
| 387 | use in secure applications since (as at 2016) there is no known |
| 388 | feasible attack that could produce a 'collision' with differing |
| 389 | input data. Use this for the highest security. Note that only the |
| 390 | SHA256 variant is supported: SHA512 and others are not currently |
| 391 | supported in U-Boot. |
| 392 | |
Philipp Tomsich | 4faa011 | 2017-11-24 13:26:03 +0100 | [diff] [blame] | 393 | config SPL_FIT_IMAGE_TINY |
| 394 | bool "Remove functionality from SPL FIT loading to reduce size" |
| 395 | depends on SPL_FIT |
Icenowy Zheng | 0c01b96 | 2018-07-21 16:20:31 +0800 | [diff] [blame] | 396 | default y if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN50I_H6 |
Ye Li | d08aeb6 | 2018-11-20 10:19:15 +0000 | [diff] [blame] | 397 | default y if ARCH_IMX8M |
Philipp Tomsich | 4faa011 | 2017-11-24 13:26:03 +0100 | [diff] [blame] | 398 | help |
| 399 | Enable this to reduce the size of the FIT image loading code |
| 400 | in SPL, if space for the SPL binary is very tight. |
| 401 | |
| 402 | This removes the detection of image types (which forces the |
| 403 | first image to be treated as having a U-Boot style calling |
| 404 | convention) and skips the recording of each loaded payload |
| 405 | (i.e. loadable) into the FDT (modifying the loaded FDT to |
| 406 | ensure this information is available to the next image |
| 407 | invoked). |
| 408 | |
Simon Glass | eca677f | 2017-01-16 07:03:29 -0700 | [diff] [blame] | 409 | config SPL_CPU_SUPPORT |
| 410 | bool "Support CPU drivers" |
Simon Glass | eca677f | 2017-01-16 07:03:29 -0700 | [diff] [blame] | 411 | help |
| 412 | Enable this to support CPU drivers in SPL. These drivers can set |
| 413 | up CPUs and provide information about them such as the model and |
| 414 | name. This can be useful in SPL since setting up the CPUs earlier |
| 415 | may improve boot performance. Enable this option to build the |
| 416 | drivers in drivers/cpu as part of an SPL build. |
| 417 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 418 | config SPL_CRYPTO_SUPPORT |
| 419 | bool "Support crypto drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 420 | help |
| 421 | Enable crypto drivers in SPL. These drivers can be used to |
| 422 | accelerate secure boot processing in secure applications. Enable |
| 423 | this option to build the drivers in drivers/crypto as part of an |
| 424 | SPL build. |
| 425 | |
| 426 | config SPL_HASH_SUPPORT |
| 427 | bool "Support hashing drivers" |
Tom Rini | 5bdd919 | 2017-05-15 12:17:49 -0400 | [diff] [blame] | 428 | select SHA1 |
| 429 | select SHA256 |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 430 | help |
| 431 | Enable hashing drivers in SPL. These drivers can be used to |
| 432 | accelerate secure boot processing in secure applications. Enable |
| 433 | this option to build system-specific drivers for hash acceleration |
| 434 | as part of an SPL build. |
| 435 | |
Simon Glass | 592d5b9 | 2018-11-15 18:43:55 -0700 | [diff] [blame] | 436 | config TPL_HASH_SUPPORT |
| 437 | bool "Support hashing drivers in TPL" |
Adam Ford | ac4d80e | 2019-08-24 13:50:34 -0500 | [diff] [blame] | 438 | depends on TPL |
Simon Glass | 592d5b9 | 2018-11-15 18:43:55 -0700 | [diff] [blame] | 439 | select SHA1 |
| 440 | select SHA256 |
| 441 | help |
| 442 | Enable hashing drivers in SPL. These drivers can be used to |
| 443 | accelerate secure boot processing in secure applications. Enable |
| 444 | this option to build system-specific drivers for hash acceleration |
| 445 | as part of an SPL build. |
| 446 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 447 | config SPL_DMA_SUPPORT |
| 448 | bool "Support DMA drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 449 | help |
| 450 | Enable DMA (direct-memory-access) drivers in SPL. These drivers |
| 451 | can be used to handle memory-to-peripheral data transfer without |
| 452 | the CPU moving the data. Enable this option to build the drivers |
| 453 | in drivers/dma as part of an SPL build. |
| 454 | |
| 455 | config SPL_DRIVERS_MISC_SUPPORT |
| 456 | bool "Support misc drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 457 | help |
| 458 | Enable miscellaneous drivers in SPL. These drivers perform various |
| 459 | tasks that don't fall nicely into other categories, Enable this |
| 460 | option to build the drivers in drivers/misc as part of an SPL |
| 461 | build, for those that support building in SPL (not all drivers do). |
| 462 | |
| 463 | config SPL_ENV_SUPPORT |
| 464 | bool "Support an environment" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 465 | help |
| 466 | Enable environment support in SPL. The U-Boot environment provides |
| 467 | a number of settings (essentially name/value pairs) which can |
| 468 | control many aspects of U-Boot's operation. Normally this is not |
| 469 | needed in SPL as it has a much simpler task with less |
| 470 | configuration. But some boards use this to support 'Falcon' boot |
| 471 | on EXT2 and FAT, where SPL boots directly into Linux without |
Simon Glass | 64b723f | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 472 | starting U-Boot first. Enabling this option will make env_get() |
Simon Glass | 6a38e41 | 2017-08-03 12:22:09 -0600 | [diff] [blame] | 473 | and env_set() available in SPL. |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 474 | |
B, Ravi | e94b024 | 2016-09-28 14:46:18 +0530 | [diff] [blame] | 475 | config SPL_SAVEENV |
| 476 | bool "Support save environment" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 477 | depends on SPL_ENV_SUPPORT |
Jean-Jacques Hiblot | d053167 | 2018-01-04 15:23:32 +0100 | [diff] [blame] | 478 | select SPL_MMC_WRITE if ENV_IS_IN_MMC |
B, Ravi | e94b024 | 2016-09-28 14:46:18 +0530 | [diff] [blame] | 479 | help |
| 480 | Enable save environment support in SPL after setenv. By default |
| 481 | the saveenv option is not provided in SPL, but some boards need |
| 482 | this support in 'Falcon' boot, where SPL need to boot from |
| 483 | different images based on environment variable set by OS. For |
| 484 | example OS may set "reboot_image" environment variable to |
| 485 | "recovery" inorder to boot recovery image by SPL. The SPL read |
| 486 | "reboot_image" and act accordingly and change the reboot_image |
Shyam Saini | efe757c | 2018-06-07 19:47:19 +0530 | [diff] [blame] | 487 | to default mode using setenv and save the environment. |
B, Ravi | e94b024 | 2016-09-28 14:46:18 +0530 | [diff] [blame] | 488 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 489 | config SPL_ETH_SUPPORT |
| 490 | bool "Support Ethernet" |
| 491 | depends on SPL_ENV_SUPPORT |
| 492 | help |
| 493 | Enable access to the network subsystem and associated Ethernet |
| 494 | drivers in SPL. This permits SPL to load U-Boot over an Ethernet |
| 495 | link rather than from an on-board peripheral. Environment support |
| 496 | is required since the network stack uses a number of environment |
| 497 | variables. See also SPL_NET_SUPPORT. |
| 498 | |
Tien Fong Chee | 6091dd1 | 2019-01-23 14:20:05 +0800 | [diff] [blame] | 499 | config SPL_FS_EXT4 |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 500 | bool "Support EXT filesystems" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 501 | help |
| 502 | Enable support for EXT2/3/4 filesystems with SPL. This permits |
| 503 | U-Boot (or Linux in Falcon mode) to be loaded from an EXT |
| 504 | filesystem from within SPL. Support for the underlying block |
| 505 | device (e.g. MMC or USB) must be enabled separately. |
| 506 | |
Tien Fong Chee | 6fd0a71 | 2019-01-23 14:20:03 +0800 | [diff] [blame] | 507 | config SPL_FS_FAT |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 508 | bool "Support FAT filesystems" |
Sekhar Nori | 1909a7b | 2017-06-02 17:53:59 +0530 | [diff] [blame] | 509 | select FS_FAT |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 510 | help |
| 511 | Enable support for FAT and VFAT filesystems with SPL. This |
| 512 | permits U-Boot (or Linux in Falcon mode) to be loaded from a FAT |
| 513 | filesystem from within SPL. Support for the underlying block |
| 514 | device (e.g. MMC or USB) must be enabled separately. |
| 515 | |
Tien Fong Chee | 87fda0c | 2019-01-23 14:20:04 +0800 | [diff] [blame] | 516 | config SPL_FAT_WRITE |
| 517 | bool "Support write for FAT filesystems" |
| 518 | help |
| 519 | Enable write support for FAT and VFAT filesystems with SPL. |
| 520 | Support for the underlying block device (e.g. MMC or USB) must be |
| 521 | enabled separately. |
| 522 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 523 | config SPL_FPGA_SUPPORT |
| 524 | bool "Support FPGAs" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 525 | help |
| 526 | Enable support for FPGAs in SPL. Field-programmable Gate Arrays |
| 527 | provide software-configurable hardware which is typically used to |
| 528 | implement peripherals (such as UARTs, LCD displays, MMC) or |
| 529 | accelerate custom processing functions, such as image processing |
| 530 | or machine learning. Sometimes it is useful to program the FPGA |
| 531 | as early as possible during boot, and this option can enable that |
| 532 | within SPL. |
| 533 | |
| 534 | config SPL_GPIO_SUPPORT |
Simon Glass | 592d5b9 | 2018-11-15 18:43:55 -0700 | [diff] [blame] | 535 | bool "Support GPIO in SPL" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 536 | help |
| 537 | Enable support for GPIOs (General-purpose Input/Output) in SPL. |
| 538 | GPIOs allow U-Boot to read the state of an input line (high or |
| 539 | low) and set the state of an output line. This can be used to |
| 540 | drive LEDs, control power to various system parts and read user |
| 541 | input. GPIOs can be useful in SPL to enable a 'sign-of-life' LED, |
| 542 | for example. Enable this option to build the drivers in |
| 543 | drivers/gpio as part of an SPL build. |
| 544 | |
| 545 | config SPL_I2C_SUPPORT |
| 546 | bool "Support I2C" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 547 | help |
| 548 | Enable support for the I2C (Inter-Integrated Circuit) bus in SPL. |
| 549 | I2C works with a clock and data line which can be driven by a |
| 550 | one or more masters or slaves. It is a fairly complex bus but is |
| 551 | widely used as it only needs two lines for communication. Speeds of |
| 552 | 400kbps are typical but up to 3.4Mbps is supported by some |
| 553 | hardware. I2C can be useful in SPL to configure power management |
| 554 | ICs (PMICs) before raising the CPU clock speed, for example. |
| 555 | Enable this option to build the drivers in drivers/i2c as part of |
| 556 | an SPL build. |
| 557 | |
| 558 | config SPL_LIBCOMMON_SUPPORT |
| 559 | bool "Support common libraries" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 560 | help |
| 561 | Enable support for common U-Boot libraries within SPL. These |
| 562 | libraries include common code to deal with U-Boot images, |
| 563 | environment and USB, for example. This option is enabled on many |
| 564 | boards. Enable this option to build the code in common/ as part of |
| 565 | an SPL build. |
| 566 | |
| 567 | config SPL_LIBDISK_SUPPORT |
Simon Goldschmidt | 6206705 | 2018-08-16 09:44:55 +0200 | [diff] [blame] | 568 | bool "Support disk partitions" |
Tom Rini | 1794ae6 | 2018-12-05 08:23:38 -0500 | [diff] [blame] | 569 | select PARTITIONS |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 570 | help |
| 571 | Enable support for disk partitions within SPL. 'Disk' is something |
| 572 | of a misnomer as it includes non-spinning media such as flash (as |
| 573 | used in MMC and USB sticks). Partitions provide a way for a disk |
| 574 | to be split up into separate regions, with a partition table placed |
| 575 | at the start or end which describes the location and size of each |
| 576 | 'partition'. These partitions are typically uses as individual block |
| 577 | devices, typically with an EXT2 or FAT filesystem in each. This |
| 578 | option enables whatever partition support has been enabled in |
| 579 | U-Boot to also be used in SPL. It brings in the code in disk/. |
| 580 | |
| 581 | config SPL_LIBGENERIC_SUPPORT |
| 582 | bool "Support generic libraries" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 583 | help |
| 584 | Enable support for generic U-Boot libraries within SPL. These |
| 585 | libraries include generic code to deal with device tree, hashing, |
| 586 | printf(), compression and the like. This option is enabled on many |
| 587 | boards. Enable this option to build the code in lib/ as part of an |
| 588 | SPL build. |
| 589 | |
Lokesh Vutla | 2aeb934 | 2018-08-27 15:57:49 +0530 | [diff] [blame] | 590 | config SPL_DM_MAILBOX |
| 591 | bool "Support Mailbox" |
| 592 | help |
| 593 | Enable support for Mailbox within SPL. This enable the inter |
| 594 | processor communication protocols tobe used within SPL. Enable |
| 595 | this option to build the drivers in drivers/mailbox as part of |
| 596 | SPL build. |
| 597 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 598 | config SPL_MMC_SUPPORT |
| 599 | bool "Support MMC" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 600 | depends on MMC |
Tom Rini | 1794ae6 | 2018-12-05 08:23:38 -0500 | [diff] [blame] | 601 | select HAVE_BLOCK_DEVICE |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 602 | help |
| 603 | Enable support for MMC (Multimedia Card) within SPL. This enables |
| 604 | the MMC protocol implementation and allows any enabled drivers to |
| 605 | be used within SPL. MMC can be used with or without disk partition |
| 606 | support depending on the application (SPL_LIBDISK_SUPPORT). Enable |
| 607 | this option to build the drivers in drivers/mmc as part of an SPL |
| 608 | build. |
| 609 | |
Ezequiel Garcia | 6698318 | 2019-05-25 19:25:21 -0300 | [diff] [blame] | 610 | config SPL_MMC_TINY |
| 611 | bool "Tiny MMC framework in SPL" |
| 612 | depends on SPL_MMC_SUPPORT |
| 613 | default n |
| 614 | help |
| 615 | Enable MMC framework tinification support. This option is useful if |
| 616 | if your SPL is extremely size constrained. Heed the warning, enable |
| 617 | this option if and only if you know exactly what you are doing, if |
| 618 | you are reading this help text, you most likely have no idea :-) |
| 619 | |
| 620 | The MMC framework is reduced to bare minimum to be useful. No malloc |
| 621 | support is needed for the MMC framework operation with this option |
| 622 | enabled. The framework supports exactly one MMC device and exactly |
| 623 | one MMC driver. The MMC driver can be adjusted to avoid any malloc |
| 624 | operations too, which can remove the need for malloc support in SPL |
| 625 | and thus further reduce footprint. |
| 626 | |
Jean-Jacques Hiblot | d053167 | 2018-01-04 15:23:32 +0100 | [diff] [blame] | 627 | config SPL_MMC_WRITE |
| 628 | bool "MMC/SD/SDIO card support for write operations in SPL" |
| 629 | depends on SPL_MMC_SUPPORT |
| 630 | default n |
| 631 | help |
| 632 | Enable write access to MMC and SD Cards in SPL |
| 633 | |
| 634 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 635 | config SPL_MPC8XXX_INIT_DDR_SUPPORT |
| 636 | bool "Support MPC8XXX DDR init" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 637 | help |
| 638 | Enable support for DDR-SDRAM (double-data-rate synchronous dynamic |
| 639 | random-access memory) on the MPC8XXX family within SPL. This |
| 640 | allows DRAM to be set up before loading U-Boot into that DRAM, |
| 641 | where it can run. |
| 642 | |
| 643 | config SPL_MTD_SUPPORT |
| 644 | bool "Support MTD drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 645 | help |
| 646 | Enable support for MTD (Memory Technology Device) within SPL. MTD |
| 647 | provides a block interface over raw NAND and can also be used with |
| 648 | SPI flash. This allows SPL to load U-Boot from supported MTD |
| 649 | devices. See SPL_NAND_SUPPORT and SPL_ONENAND_SUPPORT for how |
| 650 | to enable specific MTD drivers. |
| 651 | |
| 652 | config SPL_MUSB_NEW_SUPPORT |
| 653 | bool "Support new Mentor Graphics USB" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 654 | help |
| 655 | Enable support for Mentor Graphics USB in SPL. This is a new |
| 656 | driver used by some boards. Enable this option to build |
| 657 | the drivers in drivers/usb/musb-new as part of an SPL build. The |
| 658 | old drivers are in drivers/usb/musb. |
| 659 | |
| 660 | config SPL_NAND_SUPPORT |
| 661 | bool "Support NAND flash" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 662 | help |
| 663 | Enable support for NAND (Negative AND) flash in SPL. NAND flash |
| 664 | can be used to allow SPL to load U-Boot from supported devices. |
Miquel Raynal | 1f1ae15 | 2018-08-16 17:30:07 +0200 | [diff] [blame] | 665 | This enables the drivers in drivers/mtd/nand/raw as part of an SPL |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 666 | build. |
| 667 | |
Markus Klotzbuecher | f5aa176 | 2019-05-15 15:15:57 +0200 | [diff] [blame] | 668 | config SPL_UBI |
| 669 | bool "Support UBI" |
| 670 | help |
| 671 | Enable support for loading payloads from UBI. See |
| 672 | README.ubispl for more info. |
| 673 | |
| 674 | if SPL_UBI |
Hamish Guthrie | 3ce740d | 2019-05-15 15:15:59 +0200 | [diff] [blame] | 675 | config SPL_UBI_LOAD_BY_VOLNAME |
| 676 | bool "Support loading volumes by name" |
| 677 | help |
| 678 | This enables support for loading UBI volumes by name. When this |
| 679 | is set, CONFIG_SPL_UBI_LOAD_MONITOR_VOLNAME can be used to |
| 680 | configure the volume name from which to load U-Boot. |
| 681 | |
Markus Klotzbuecher | f5aa176 | 2019-05-15 15:15:57 +0200 | [diff] [blame] | 682 | config SPL_UBI_MAX_VOL_LEBS |
| 683 | int "Maximum number of LEBs per volume" |
| 684 | depends on SPL_UBI |
| 685 | help |
| 686 | The maximum number of logical eraseblocks which a static volume |
| 687 | to load can contain. Used for sizing the scan data structure. |
| 688 | |
| 689 | config SPL_UBI_MAX_PEB_SIZE |
| 690 | int "Maximum PEB size" |
| 691 | depends on SPL_UBI |
| 692 | help |
| 693 | The maximum physical erase block size. |
| 694 | |
| 695 | config SPL_UBI_MAX_PEBS |
| 696 | int "Maximum number of PEBs" |
| 697 | depends on SPL_UBI |
| 698 | help |
| 699 | The maximum physical erase block size. If not overridden by |
| 700 | board code, this value will be used as the actual number of PEBs. |
| 701 | |
| 702 | config SPL_UBI_PEB_OFFSET |
| 703 | int "Offset to first UBI PEB" |
| 704 | depends on SPL_UBI |
| 705 | help |
| 706 | The offset in number of PEBs from the start of flash to the first |
| 707 | PEB part of the UBI image. |
| 708 | |
| 709 | config SPL_UBI_VID_OFFSET |
| 710 | int "Offset to VID header" |
| 711 | depends on SPL_UBI |
| 712 | |
| 713 | config SPL_UBI_LEB_START |
| 714 | int "Offset to LEB in PEB" |
| 715 | depends on SPL_UBI |
| 716 | help |
| 717 | The offset in bytes to the LEB within a PEB. |
| 718 | |
| 719 | config SPL_UBI_INFO_ADDR |
| 720 | hex "Address to place UBI scan info" |
| 721 | depends on SPL_UBI |
| 722 | help |
| 723 | Address for ubispl to place the scan info. Read README.ubispl to |
| 724 | determine the required size |
| 725 | |
| 726 | config SPL_UBI_VOL_IDS |
| 727 | int "Maximum volume id" |
| 728 | depends on SPL_UBI |
| 729 | help |
| 730 | The maximum volume id which can be loaded. Used for sizing the |
| 731 | scan data structure. |
| 732 | |
| 733 | config SPL_UBI_LOAD_MONITOR_ID |
| 734 | int "id of U-Boot volume" |
| 735 | depends on SPL_UBI |
| 736 | help |
| 737 | The UBI volume id from which to load U-Boot |
| 738 | |
Hamish Guthrie | 3ce740d | 2019-05-15 15:15:59 +0200 | [diff] [blame] | 739 | config SPL_UBI_LOAD_MONITOR_VOLNAME |
| 740 | string "volume name of U-Boot volume" |
| 741 | depends on SPL_UBI_LOAD_BY_VOLNAME |
| 742 | help |
| 743 | The UBI volume name from which to load U-Boot |
| 744 | |
Markus Klotzbuecher | f5aa176 | 2019-05-15 15:15:57 +0200 | [diff] [blame] | 745 | config SPL_UBI_LOAD_KERNEL_ID |
| 746 | int "id of kernel volume" |
| 747 | depends on SPL_OS_BOOT && SPL_UBI |
| 748 | help |
| 749 | The UBI volume id from which to load the kernel |
| 750 | |
| 751 | config SPL_UBI_LOAD_ARGS_ID |
| 752 | int "id of kernel args volume" |
| 753 | depends on SPL_OS_BOOT && SPL_UBI |
| 754 | help |
| 755 | The UBI volume id from which to load the device tree |
| 756 | |
Markus Klotzbuecher | cfe40f4 | 2019-05-15 15:16:00 +0200 | [diff] [blame] | 757 | config UBI_SPL_SILENCE_MSG |
| 758 | bool "silence UBI SPL messages" |
| 759 | default n |
| 760 | help |
| 761 | Disable messages from UBI SPL. This leaves warnings |
| 762 | and errors enabled. |
Markus Klotzbuecher | f5aa176 | 2019-05-15 15:15:57 +0200 | [diff] [blame] | 763 | |
| 764 | endif # if SPL_UBI |
| 765 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 766 | config SPL_NET_SUPPORT |
| 767 | bool "Support networking" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 768 | help |
| 769 | Enable support for network devices (such as Ethernet) in SPL. |
| 770 | This permits SPL to load U-Boot over a network link rather than |
| 771 | from an on-board peripheral. Environment support is required since |
| 772 | the network stack uses a number of environment variables. See also |
| 773 | SPL_ETH_SUPPORT. |
| 774 | |
| 775 | if SPL_NET_SUPPORT |
| 776 | config SPL_NET_VCI_STRING |
| 777 | string "BOOTP Vendor Class Identifier string sent by SPL" |
| 778 | help |
| 779 | As defined by RFC 2132 the vendor class identifier field can be |
| 780 | sent by the client to identify the vendor type and configuration |
| 781 | of a client. This is often used in practice to allow for the DHCP |
| 782 | server to specify different files to load depending on if the ROM, |
| 783 | SPL or U-Boot itself makes the request |
| 784 | endif # if SPL_NET_SUPPORT |
| 785 | |
| 786 | config SPL_NO_CPU_SUPPORT |
| 787 | bool "Drop CPU code in SPL" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 788 | help |
| 789 | This is specific to the ARM926EJ-S CPU. It disables the standard |
| 790 | start.S start-up code, presumably so that a replacement can be |
| 791 | used on that CPU. You should not enable it unless you know what |
| 792 | you are doing. |
| 793 | |
| 794 | config SPL_NOR_SUPPORT |
| 795 | bool "Support NOR flash" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 796 | help |
| 797 | Enable support for loading U-Boot from memory-mapped NOR (Negative |
| 798 | OR) flash in SPL. NOR flash is slow to write but fast to read, and |
| 799 | a memory-mapped device makes it very easy to access. Loading from |
| 800 | NOR is typically achieved with just a memcpy(). |
| 801 | |
Vikas Manocha | 9e58265 | 2017-05-28 12:55:11 -0700 | [diff] [blame] | 802 | config SPL_XIP_SUPPORT |
| 803 | bool "Support XIP" |
| 804 | depends on SPL |
| 805 | help |
| 806 | Enable support for execute in place of U-Boot or kernel image. There |
| 807 | is no need to copy image from flash to ram if flash supports execute |
| 808 | in place. Its very useful in systems having enough flash but not |
| 809 | enough ram to load the image. |
| 810 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 811 | config SPL_ONENAND_SUPPORT |
| 812 | bool "Support OneNAND flash" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 813 | help |
| 814 | Enable support for OneNAND (Negative AND) flash in SPL. OneNAND is |
| 815 | a type of NAND flash and therefore can be used to allow SPL to |
| 816 | load U-Boot from supported devices. This enables the drivers in |
| 817 | drivers/mtd/onenand as part of an SPL build. |
| 818 | |
Heiko Schocher | 1d12ba2 | 2016-10-06 07:55:15 +0200 | [diff] [blame] | 819 | config SPL_OS_BOOT |
| 820 | bool "Activate Falcon Mode" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 821 | depends on !TI_SECURE_DEVICE |
Heiko Schocher | 1d12ba2 | 2016-10-06 07:55:15 +0200 | [diff] [blame] | 822 | default n |
| 823 | help |
| 824 | Enable booting directly to an OS from SPL. |
| 825 | for more info read doc/README.falcon |
| 826 | |
Heiko Schocher | 6592893 | 2016-10-06 07:55:16 +0200 | [diff] [blame] | 827 | if SPL_OS_BOOT |
| 828 | config SYS_OS_BASE |
| 829 | hex "addr, where OS is found" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 830 | depends on SPL_NOR_SUPPORT |
Heiko Schocher | 6592893 | 2016-10-06 07:55:16 +0200 | [diff] [blame] | 831 | help |
| 832 | Specify the address, where the OS image is found, which |
| 833 | gets booted. |
| 834 | |
| 835 | endif # SPL_OS_BOOT |
| 836 | |
York Sun | 5349267 | 2018-06-14 14:38:48 -0700 | [diff] [blame] | 837 | config SPL_PAYLOAD |
| 838 | string "SPL payload" |
| 839 | default "tpl/u-boot-with-tpl.bin" if TPL |
| 840 | default "u-boot.bin" |
| 841 | help |
Chris Packham | 37bc316 | 2019-01-13 22:13:20 +1300 | [diff] [blame] | 842 | Payload for SPL boot. For backward compatibility, default to |
York Sun | 5349267 | 2018-06-14 14:38:48 -0700 | [diff] [blame] | 843 | u-boot.bin, i.e. RAW image without any header. In case of |
| 844 | TPL, tpl/u-boot-with-tpl.bin. For new boards, suggest to |
| 845 | use u-boot.img. |
| 846 | |
Sekhar Nori | 9108d92 | 2018-12-06 15:40:08 +0530 | [diff] [blame] | 847 | config SPL_PCI |
Simon Glass | 6569f3a | 2017-01-16 07:03:30 -0700 | [diff] [blame] | 848 | bool "Support PCI drivers" |
Simon Glass | 6569f3a | 2017-01-16 07:03:30 -0700 | [diff] [blame] | 849 | help |
| 850 | Enable support for PCI in SPL. For platforms that need PCI to boot, |
| 851 | or must perform some init using PCI in SPL, this provides the |
| 852 | necessary driver support. This enables the drivers in drivers/pci |
| 853 | as part of an SPL build. |
| 854 | |
Simon Glass | 36258a5 | 2017-01-16 07:03:33 -0700 | [diff] [blame] | 855 | config SPL_PCH_SUPPORT |
| 856 | bool "Support PCH drivers" |
Simon Glass | 36258a5 | 2017-01-16 07:03:33 -0700 | [diff] [blame] | 857 | help |
| 858 | Enable support for PCH (Platform Controller Hub) devices in SPL. |
| 859 | These are used to set up GPIOs and the SPI peripheral early in |
| 860 | boot. This enables the drivers in drivers/pch as part of an SPL |
| 861 | build. |
| 862 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 863 | config SPL_POST_MEM_SUPPORT |
| 864 | bool "Support POST drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 865 | help |
| 866 | Enable support for POST (Power-on Self Test) in SPL. POST is a |
| 867 | procedure that checks that the hardware (CPU or board) appears to |
| 868 | be functionally correctly. It is a sanity check that can be |
| 869 | performed before booting. This enables the drivers in post/drivers |
| 870 | as part of an SPL build. |
| 871 | |
Ley Foon Tan | 9caf712 | 2018-06-14 18:45:19 +0800 | [diff] [blame] | 872 | config SPL_DM_RESET |
Patrick Delaunay | 329827a | 2018-03-12 10:46:05 +0100 | [diff] [blame] | 873 | bool "Support reset drivers" |
| 874 | depends on SPL |
| 875 | help |
| 876 | Enable support for reset control in SPL. |
| 877 | That can be useful in SPL to handle IP reset in driver, as in U-Boot, |
| 878 | by using the generic reset API provided by driver model. |
| 879 | This enables the drivers in drivers/reset as part of an SPL build. |
| 880 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 881 | config SPL_POWER_SUPPORT |
| 882 | bool "Support power drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 883 | help |
| 884 | Enable support for power control in SPL. This includes support |
| 885 | for PMICs (Power-management Integrated Circuits) and some of the |
| 886 | features provided by PMICs. In particular, voltage regulators can |
| 887 | be used to enable/disable power and vary its voltage. That can be |
| 888 | useful in SPL to turn on boot peripherals and adjust CPU voltage |
| 889 | so that the clock speed can be increased. This enables the drivers |
| 890 | in drivers/power, drivers/power/pmic and drivers/power/regulator |
| 891 | as part of an SPL build. |
| 892 | |
Peng Fan | 3775fed | 2018-07-27 10:20:37 +0800 | [diff] [blame] | 893 | config SPL_POWER_DOMAIN |
| 894 | bool "Support power domain drivers" |
| 895 | help |
| 896 | Enable support for power domain control in SPL. Many SoCs allow |
| 897 | power to be applied to or removed from portions of the SoC (power |
| 898 | domains). This may be used to save power. This API provides the |
| 899 | means to control such power management hardware. This enables |
| 900 | the drivers in drivers/power/domain as part of a SPL build. |
| 901 | |
Stefan Agner | cd01e64 | 2016-12-23 07:51:53 +0100 | [diff] [blame] | 902 | config SPL_RAM_SUPPORT |
| 903 | bool "Support booting from RAM" |
Stefan Agner | cd01e64 | 2016-12-23 07:51:53 +0100 | [diff] [blame] | 904 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
| 905 | help |
| 906 | Enable booting of an image in RAM. The image can be preloaded or |
| 907 | it can be loaded by SPL directly into RAM (e.g. using USB). |
| 908 | |
Stefan Agner | e2eaac1 | 2016-12-23 07:51:52 +0100 | [diff] [blame] | 909 | config SPL_RAM_DEVICE |
| 910 | bool "Support booting from preloaded image in RAM" |
Stefan Agner | cd01e64 | 2016-12-23 07:51:53 +0100 | [diff] [blame] | 911 | depends on SPL_RAM_SUPPORT |
Stefan Agner | e2eaac1 | 2016-12-23 07:51:52 +0100 | [diff] [blame] | 912 | default y if MICROBLAZE || ARCH_SOCFPGA || TEGRA || ARCH_ZYNQ |
| 913 | help |
| 914 | Enable booting of an image already loaded in RAM. The image has to |
| 915 | be already in memory when SPL takes over, e.g. loaded by the boot |
| 916 | ROM. |
| 917 | |
Lokesh Vutla | 1a6f8e0 | 2018-08-27 15:57:53 +0530 | [diff] [blame] | 918 | config SPL_REMOTEPROC |
| 919 | bool "Support REMOTEPROCS" |
| 920 | help |
| 921 | Enable support for REMOTEPROCs in SPL. This permits to load |
| 922 | a remote processor firmware in SPL. |
| 923 | |
Simon Glass | b69691b | 2017-01-16 07:03:31 -0700 | [diff] [blame] | 924 | config SPL_RTC_SUPPORT |
| 925 | bool "Support RTC drivers" |
Simon Glass | b69691b | 2017-01-16 07:03:31 -0700 | [diff] [blame] | 926 | help |
| 927 | Enable RTC (Real-time Clock) support in SPL. This includes support |
| 928 | for reading and setting the time. Some RTC devices also have some |
| 929 | non-volatile (battery-backed) memory which is accessible if |
| 930 | needed. This enables the drivers in drivers/rtc as part of an SPL |
| 931 | build. |
| 932 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 933 | config SPL_SATA_SUPPORT |
| 934 | bool "Support loading from SATA" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 935 | help |
| 936 | Enable support for SATA (Serial AT attachment) in SPL. This allows |
| 937 | use of SATA devices such as hard drives and flash drivers for |
| 938 | loading U-Boot. SATA is used in higher-end embedded systems and |
| 939 | can provide higher performance than MMC , at somewhat higher |
| 940 | expense and power consumption. This enables loading from SATA |
| 941 | using a configured device. |
| 942 | |
Baruch Siach | c9eff6a | 2019-07-14 17:54:21 +0300 | [diff] [blame] | 943 | config SPL_SATA_RAW_U_BOOT_USE_SECTOR |
| 944 | bool "SATA raw mode: by sector" |
| 945 | depends on SPL_SATA_SUPPORT |
| 946 | help |
| 947 | Use sector number for specifying U-Boot location on SATA disk in |
| 948 | raw mode. |
| 949 | |
| 950 | config SPL_SATA_RAW_U_BOOT_SECTOR |
| 951 | hex "Sector on the SATA disk to load U-Boot from" |
| 952 | depends on SPL_SATA_RAW_U_BOOT_USE_SECTOR |
| 953 | help |
| 954 | Sector on the SATA disk to load U-Boot from, when the SATA disk is being |
| 955 | used in raw mode. Units: SATA disk sectors (1 sector = 512 bytes). |
| 956 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 957 | config SPL_SERIAL_SUPPORT |
| 958 | bool "Support serial" |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 959 | select SPL_PRINTF |
| 960 | select SPL_STRTO |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 961 | help |
| 962 | Enable support for serial in SPL. This allows use of a serial UART |
| 963 | for displaying messages while SPL is running. It also brings in |
| 964 | printf() and panic() functions. This should normally be enabled |
| 965 | unless there are space reasons not to. Even then, consider |
| 966 | enabling USE_TINY_PRINTF which is a small printf() version. |
| 967 | |
| 968 | config SPL_SPI_FLASH_SUPPORT |
| 969 | bool "Support SPI flash drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 970 | help |
| 971 | Enable support for using SPI flash in SPL, and loading U-Boot from |
| 972 | SPI flash. SPI flash (Serial Peripheral Bus flash) is named after |
| 973 | the SPI bus that is used to connect it to a system. It is a simple |
| 974 | but fast bidirectional 4-wire bus (clock, chip select and two data |
| 975 | lines). This enables the drivers in drivers/mtd/spi as part of an |
| 976 | SPL build. This normally requires SPL_SPI_SUPPORT. |
| 977 | |
Vignesh R | 4d848c9 | 2019-02-05 11:29:20 +0530 | [diff] [blame] | 978 | if SPL_SPI_FLASH_SUPPORT |
| 979 | |
Vignesh R | 3f5fb8b | 2019-02-05 11:29:25 +0530 | [diff] [blame] | 980 | config SPL_SPI_FLASH_TINY |
| 981 | bool "Enable low footprint SPL SPI Flash support" |
| 982 | depends on !SPI_FLASH_BAR |
Vignesh R | f53872d | 2019-02-05 11:29:26 +0530 | [diff] [blame] | 983 | default y if SPI_FLASH |
Vignesh R | 3f5fb8b | 2019-02-05 11:29:25 +0530 | [diff] [blame] | 984 | help |
| 985 | Enable lightweight SPL SPI Flash support that supports just reading |
| 986 | data/images from flash. No support to write/erase flash. Enable |
| 987 | this if you have SPL size limitations and don't need full |
| 988 | fledged SPI flash support. |
| 989 | |
Vignesh R | 4d848c9 | 2019-02-05 11:29:20 +0530 | [diff] [blame] | 990 | config SPL_SPI_FLASH_SFDP_SUPPORT |
| 991 | bool "SFDP table parsing support for SPI NOR flashes" |
Vignesh R | 3f5fb8b | 2019-02-05 11:29:25 +0530 | [diff] [blame] | 992 | depends on !SPI_FLASH_BAR && !SPL_SPI_FLASH_TINY |
Vignesh R | 4d848c9 | 2019-02-05 11:29:20 +0530 | [diff] [blame] | 993 | help |
| 994 | Enable support for parsing and auto discovery of parameters for |
| 995 | SPI NOR flashes using Serial Flash Discoverable Parameters (SFDP) |
| 996 | tables as per JESD216 standard in SPL. |
| 997 | |
Marek Vasut | e254225 | 2018-04-07 16:05:27 +0200 | [diff] [blame] | 998 | config SPL_SPI_LOAD |
| 999 | bool "Support loading from SPI flash" |
Marek Vasut | e254225 | 2018-04-07 16:05:27 +0200 | [diff] [blame] | 1000 | help |
| 1001 | Enable support for loading next stage, U-Boot or otherwise, from |
| 1002 | SPI NOR in U-Boot SPL. |
| 1003 | |
Vignesh R | 4d848c9 | 2019-02-05 11:29:20 +0530 | [diff] [blame] | 1004 | endif # SPL_SPI_FLASH_SUPPORT |
| 1005 | |
Hannes Schmelzer | 38df997 | 2019-08-22 15:41:46 +0200 | [diff] [blame] | 1006 | config SYS_SPI_U_BOOT_OFFS |
| 1007 | hex "address of u-boot payload in SPI flash" |
| 1008 | default 0x0 |
| 1009 | depends on SPL_SPI_LOAD || SPL_SPI_SUNXI |
| 1010 | help |
| 1011 | Address within SPI-Flash from where the u-boot payload is fetched |
| 1012 | from. |
| 1013 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1014 | config SPL_SPI_SUPPORT |
| 1015 | bool "Support SPI drivers" |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1016 | help |
| 1017 | Enable support for using SPI in SPL. This is used for connecting |
| 1018 | to SPI flash for loading U-Boot. See SPL_SPI_FLASH_SUPPORT for |
| 1019 | more details on that. The SPI driver provides the transport for |
| 1020 | data between the SPI flash and the CPU. This option can be used to |
| 1021 | enable SPI drivers that are needed for other purposes also, such |
| 1022 | as a SPI PMIC. |
| 1023 | |
Faiz Abbas | ae1627c | 2017-11-14 16:12:31 +0530 | [diff] [blame] | 1024 | config SPL_THERMAL |
| 1025 | bool "Driver support for thermal devices" |
| 1026 | help |
| 1027 | Enable support for temperature-sensing devices. Some SoCs have on-chip |
| 1028 | temperature sensors to permit warnings, speed throttling or even |
| 1029 | automatic power-off when the temperature gets too high or low. Other |
| 1030 | devices may be discrete but connected on a suitable bus. |
| 1031 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1032 | config SPL_USB_HOST_SUPPORT |
| 1033 | bool "Support USB host drivers" |
Tom Rini | 1794ae6 | 2018-12-05 08:23:38 -0500 | [diff] [blame] | 1034 | select HAVE_BLOCK_DEVICE |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1035 | help |
| 1036 | Enable access to USB (Universal Serial Bus) host devices so that |
| 1037 | SPL can load U-Boot from a connected USB peripheral, such as a USB |
| 1038 | flash stick. While USB takes a little longer to start up than most |
| 1039 | buses, it is very flexible since many different types of storage |
| 1040 | device can be attached. This option enables the drivers in |
| 1041 | drivers/usb/host as part of an SPL build. |
| 1042 | |
Abel Vesa | 5ea11ba5 | 2019-02-01 16:40:07 +0000 | [diff] [blame] | 1043 | config SPL_USB_STORAGE |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1044 | bool "Support loading from USB" |
Abel Vesa | 5ea11ba5 | 2019-02-01 16:40:07 +0000 | [diff] [blame] | 1045 | depends on SPL_USB_HOST_SUPPORT && !(BLK && !DM_USB) |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1046 | help |
| 1047 | Enable support for USB devices in SPL. This allows use of USB |
| 1048 | devices such as hard drives and flash drivers for loading U-Boot. |
| 1049 | The actual drivers are enabled separately using the normal U-Boot |
| 1050 | config options. This enables loading from USB using a configured |
| 1051 | device. |
| 1052 | |
Jean-Jacques Hiblot | 6a22852 | 2019-01-10 15:44:13 +0100 | [diff] [blame] | 1053 | config SPL_USB_GADGET |
Stefan Agner | 0489c3b | 2016-11-21 10:58:53 -0800 | [diff] [blame] | 1054 | bool "Suppport USB Gadget drivers" |
Stefan Agner | 0489c3b | 2016-11-21 10:58:53 -0800 | [diff] [blame] | 1055 | help |
| 1056 | Enable USB Gadget API which allows to enable USB device functions |
| 1057 | in SPL. |
| 1058 | |
Jean-Jacques Hiblot | 6a22852 | 2019-01-10 15:44:13 +0100 | [diff] [blame] | 1059 | if SPL_USB_GADGET |
Stefan Agner | 0489c3b | 2016-11-21 10:58:53 -0800 | [diff] [blame] | 1060 | |
Faiz Abbas | c01553b | 2018-02-16 21:17:44 +0530 | [diff] [blame] | 1061 | config SPL_USB_ETHER |
Stefan Agner | 0489c3b | 2016-11-21 10:58:53 -0800 | [diff] [blame] | 1062 | bool "Support USB Ethernet drivers" |
| 1063 | help |
| 1064 | Enable access to the USB network subsystem and associated |
| 1065 | drivers in SPL. This permits SPL to load U-Boot over a |
| 1066 | USB-connected Ethernet link (such as a USB Ethernet dongle) rather |
| 1067 | than from an onboard peripheral. Environment support is required |
| 1068 | since the network stack uses a number of environment variables. |
| 1069 | See also SPL_NET_SUPPORT and SPL_ETH_SUPPORT. |
| 1070 | |
Andrew F. Davis | 6d932e6 | 2019-01-17 13:43:02 -0600 | [diff] [blame] | 1071 | config SPL_DFU |
Fabio Estevam | 96bdff5 | 2018-08-31 10:02:28 -0300 | [diff] [blame] | 1072 | bool "Support DFU (Device Firmware Upgrade)" |
Stefan Agner | e542edd | 2016-11-21 10:58:52 -0800 | [diff] [blame] | 1073 | select SPL_HASH_SUPPORT |
B, Ravi | 4cca5cf | 2017-05-04 15:45:29 +0530 | [diff] [blame] | 1074 | select SPL_DFU_NO_RESET |
B, Ravi | 7e0c0ea | 2017-05-04 15:45:28 +0530 | [diff] [blame] | 1075 | depends on SPL_RAM_SUPPORT |
Stefan Agner | e542edd | 2016-11-21 10:58:52 -0800 | [diff] [blame] | 1076 | help |
Fabio Estevam | 96bdff5 | 2018-08-31 10:02:28 -0300 | [diff] [blame] | 1077 | This feature enables the DFU (Device Firmware Upgrade) in SPL with |
Stefan Agner | e542edd | 2016-11-21 10:58:52 -0800 | [diff] [blame] | 1078 | RAM memory device support. The ROM code will load and execute |
| 1079 | the SPL built with dfu. The user can load binaries (u-boot/kernel) to |
| 1080 | selected device partition from host-pc using dfu-utils. |
| 1081 | This feature is useful to flash the binaries to factory or bare-metal |
| 1082 | boards using USB interface. |
| 1083 | |
| 1084 | choice |
| 1085 | bool "DFU device selection" |
Andrew F. Davis | 6d932e6 | 2019-01-17 13:43:02 -0600 | [diff] [blame] | 1086 | depends on SPL_DFU |
Stefan Agner | e542edd | 2016-11-21 10:58:52 -0800 | [diff] [blame] | 1087 | |
| 1088 | config SPL_DFU_RAM |
| 1089 | bool "RAM device" |
Andrew F. Davis | 6d932e6 | 2019-01-17 13:43:02 -0600 | [diff] [blame] | 1090 | depends on SPL_DFU && SPL_RAM_SUPPORT |
Stefan Agner | e542edd | 2016-11-21 10:58:52 -0800 | [diff] [blame] | 1091 | help |
| 1092 | select RAM/DDR memory device for loading binary images |
| 1093 | (u-boot/kernel) to the selected device partition using |
| 1094 | DFU and execute the u-boot/kernel from RAM. |
| 1095 | |
| 1096 | endchoice |
| 1097 | |
Stefan Agner | d0d9d21 | 2017-08-16 11:00:54 -0700 | [diff] [blame] | 1098 | config SPL_USB_SDP_SUPPORT |
| 1099 | bool "Support SDP (Serial Download Protocol)" |
| 1100 | help |
| 1101 | Enable Serial Download Protocol (SDP) device support in SPL. This |
| 1102 | allows to download images into memory and execute (jump to) them |
| 1103 | using the same protocol as implemented by the i.MX family's boot ROM. |
Stefan Agner | 0489c3b | 2016-11-21 10:58:53 -0800 | [diff] [blame] | 1104 | endif |
| 1105 | |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1106 | config SPL_WATCHDOG_SUPPORT |
| 1107 | bool "Support watchdog drivers" |
Marek Vasut | 55ec91b | 2019-06-09 03:46:21 +0200 | [diff] [blame] | 1108 | imply SPL_WDT if !HW_WATCHDOG |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1109 | help |
| 1110 | Enable support for watchdog drivers in SPL. A watchdog is |
| 1111 | typically a hardware peripheral which can reset the system when it |
| 1112 | detects no activity for a while (such as a software crash). This |
| 1113 | enables the drivers in drivers/watchdog as part of an SPL build. |
| 1114 | |
| 1115 | config SPL_YMODEM_SUPPORT |
| 1116 | bool "Support loading using Ymodem" |
Alex Kiernan | 44ad550 | 2018-04-19 04:32:52 +0000 | [diff] [blame] | 1117 | depends on SPL_SERIAL_SUPPORT |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1118 | help |
| 1119 | While loading from serial is slow it can be a useful backup when |
| 1120 | there is no other option. The Ymodem protocol provides a reliable |
| 1121 | means of transmitting U-Boot over a serial line for using in SPL, |
| 1122 | with a checksum to ensure correctness. |
| 1123 | |
Philipp Tomsich | f661881 | 2017-09-13 21:29:36 +0200 | [diff] [blame] | 1124 | config SPL_ATF |
Kever Yang | 6e79a91 | 2017-05-05 11:47:45 +0800 | [diff] [blame] | 1125 | bool "Support ARM Trusted Firmware" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 1126 | depends on ARM64 |
Kever Yang | 6e79a91 | 2017-05-05 11:47:45 +0800 | [diff] [blame] | 1127 | help |
Philipp Tomsich | c4078af | 2018-01-02 21:16:43 +0100 | [diff] [blame] | 1128 | ATF(ARM Trusted Firmware) is a component for ARM AArch64 which |
| 1129 | is loaded by SPL (which is considered as BL2 in ATF terminology). |
Kever Yang | 6e79a91 | 2017-05-05 11:47:45 +0800 | [diff] [blame] | 1130 | More detail at: https://github.com/ARM-software/arm-trusted-firmware |
| 1131 | |
Philipp Tomsich | c4078af | 2018-01-02 21:16:43 +0100 | [diff] [blame] | 1132 | config SPL_ATF_NO_PLATFORM_PARAM |
| 1133 | bool "Pass no platform parameter" |
| 1134 | depends on SPL_ATF |
| 1135 | help |
| 1136 | While we expect to call a pointer to a valid FDT (or NULL) |
| 1137 | as the platform parameter to an ATF, some ATF versions are |
| 1138 | not U-Boot aware and have an insufficiently robust parameter |
| 1139 | validation to gracefully reject a FDT being passed. |
| 1140 | |
| 1141 | If this option is enabled, the spl_atf os-type handler will |
| 1142 | always pass NULL for the platform parameter. |
| 1143 | |
| 1144 | If your ATF is affected, say Y. |
| 1145 | |
Alex Kiernan | 10238ef | 2018-03-15 22:11:46 +0000 | [diff] [blame] | 1146 | config SPL_AM33XX_ENABLE_RTC32K_OSC |
| 1147 | bool "Enable the RTC32K OSC on AM33xx based platforms" |
| 1148 | default y if AM33XX |
| 1149 | help |
| 1150 | Enable access to the AM33xx RTC and select the external 32kHz clock |
| 1151 | source. |
| 1152 | |
Kever Yang | a28d42c | 2018-08-23 17:17:59 +0800 | [diff] [blame] | 1153 | config SPL_OPTEE |
| 1154 | bool "Support OP-TEE Trusted OS" |
| 1155 | depends on ARM |
| 1156 | help |
| 1157 | OP-TEE is an open source Trusted OS which is loaded by SPL. |
| 1158 | More detail at: https://github.com/OP-TEE/optee_os |
| 1159 | |
Lukas Auer | 515b934 | 2019-08-21 21:14:44 +0200 | [diff] [blame] | 1160 | config SPL_OPENSBI |
| 1161 | bool "Support RISC-V OpenSBI" |
| 1162 | depends on RISCV && SPL_RISCV_MMODE && RISCV_SMODE |
| 1163 | help |
| 1164 | OpenSBI is an open-source implementation of the RISC-V Supervisor Binary |
| 1165 | Interface (SBI) specification. U-Boot supports the OpenSBI FW_DYNAMIC |
| 1166 | firmware. It is loaded and started by U-Boot SPL. |
| 1167 | |
| 1168 | More details are available at https://github.com/riscv/opensbi and |
| 1169 | https://github.com/riscv/riscv-sbi-doc |
| 1170 | |
| 1171 | config SPL_OPENSBI_LOAD_ADDR |
| 1172 | hex "OpenSBI load address" |
| 1173 | depends on SPL_OPENSBI |
| 1174 | help |
| 1175 | Load address of the OpenSBI binary. |
| 1176 | |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 1177 | config TPL |
| 1178 | bool |
| 1179 | depends on SUPPORT_TPL |
| 1180 | prompt "Enable TPL" |
| 1181 | help |
| 1182 | If you want to build TPL as well as the normal image and SPL, say Y. |
| 1183 | |
| 1184 | if TPL |
| 1185 | |
Simon Glass | e14f1a2 | 2018-11-15 18:44:09 -0700 | [diff] [blame] | 1186 | config TPL_HANDOFF |
| 1187 | bool "Pass hand-off information from TPL to SPL and U-Boot proper" |
| 1188 | depends on HANDOFF |
| 1189 | default y |
| 1190 | help |
| 1191 | This option enables TPL to write handoff information. This can be |
| 1192 | used to pass information like the size of SDRAM from TPL to U-Boot |
| 1193 | proper. The information is also available to SPL if it is useful |
| 1194 | there. |
| 1195 | |
Kever Yang | 2b5994b | 2018-01-20 18:00:26 +0800 | [diff] [blame] | 1196 | config TPL_BOARD_INIT |
| 1197 | bool "Call board-specific initialization in TPL" |
| 1198 | help |
| 1199 | If this option is enabled, U-Boot will call the function |
| 1200 | spl_board_init() from board_init_r(). This function should be |
| 1201 | provided by the board. |
| 1202 | |
Philipp Tomsich | be1c53a | 2017-07-28 19:20:49 +0200 | [diff] [blame] | 1203 | config TPL_LDSCRIPT |
| 1204 | string "Linker script for the TPL stage" |
| 1205 | depends on TPL |
Tom Rini | 2aaa27d | 2019-01-22 17:09:26 -0500 | [diff] [blame] | 1206 | default "arch/arm/cpu/armv8/u-boot-spl.lds" if ARM64 |
| 1207 | default "arch/$(ARCH)/cpu/u-boot-spl.lds" |
Philipp Tomsich | be1c53a | 2017-07-28 19:20:49 +0200 | [diff] [blame] | 1208 | help |
| 1209 | The TPL stage will usually require a different linker-script |
| 1210 | (as it runs from a different memory region) than the regular |
| 1211 | U-Boot stage. Set this to the path of the linker-script to |
| 1212 | be used for TPL. |
| 1213 | |
Philipp Tomsich | deff59a | 2017-07-28 20:02:34 +0200 | [diff] [blame] | 1214 | May be left empty to trigger the Makefile infrastructure to |
| 1215 | fall back to the linker-script used for the SPL stage. |
| 1216 | |
| 1217 | config TPL_NEEDS_SEPARATE_TEXT_BASE |
| 1218 | bool "TPL needs a separate text-base" |
| 1219 | default n |
| 1220 | depends on TPL |
| 1221 | help |
| 1222 | Enable, if the TPL stage should not inherit its text-base |
| 1223 | from the SPL stage. When enabled, a base address for the |
| 1224 | .text sections of the TPL stage has to be set below. |
| 1225 | |
| 1226 | config TPL_NEEDS_SEPARATE_STACK |
| 1227 | bool "TPL needs a separate initial stack-pointer" |
| 1228 | default n |
| 1229 | depends on TPL |
| 1230 | help |
| 1231 | Enable, if the TPL stage should not inherit its initial |
| 1232 | stack-pointer from the settings for the SPL stage. |
| 1233 | |
| 1234 | config TPL_TEXT_BASE |
| 1235 | hex "Base address for the .text section of the TPL stage" |
| 1236 | depends on TPL_NEEDS_SEPARATE_TEXT_BASE |
| 1237 | help |
| 1238 | The base address for the .text section of the TPL stage. |
| 1239 | |
| 1240 | config TPL_MAX_SIZE |
| 1241 | int "Maximum size (in bytes) for the TPL stage" |
Philipp Tomsich | 7d1319b | 2017-07-28 20:20:41 +0200 | [diff] [blame] | 1242 | default 0 |
Philipp Tomsich | deff59a | 2017-07-28 20:02:34 +0200 | [diff] [blame] | 1243 | depends on TPL |
| 1244 | help |
| 1245 | The maximum size (in bytes) of the TPL stage. |
| 1246 | |
| 1247 | config TPL_STACK |
| 1248 | hex "Address of the initial stack-pointer for the TPL stage" |
| 1249 | depends on TPL_NEEDS_SEPARATE_STACK |
| 1250 | help |
| 1251 | The address of the initial stack-pointer for the TPL stage. |
| 1252 | Usually this will be the (aligned) top-of-stack. |
| 1253 | |
Philipp Tomsich | 2706fb1 | 2017-07-04 14:24:53 +0200 | [diff] [blame] | 1254 | config TPL_BOOTROM_SUPPORT |
| 1255 | bool "Support returning to the BOOTROM (from TPL)" |
| 1256 | help |
| 1257 | Some platforms (e.g. the Rockchip RK3368) provide support in their |
| 1258 | ROM for loading the next boot-stage after performing basic setup |
| 1259 | from the TPL stage. |
| 1260 | |
| 1261 | Enable this option, to return to the BOOTROM through the |
| 1262 | BOOT_DEVICE_BOOTROM (or fall-through to the next boot device in the |
| 1263 | boot device list, if not implemented for a given board) |
| 1264 | |
Philipp Tomsich | 0e22188 | 2017-07-04 14:27:02 +0200 | [diff] [blame] | 1265 | config TPL_DRIVERS_MISC_SUPPORT |
| 1266 | bool "Support misc drivers in TPL" |
| 1267 | help |
| 1268 | Enable miscellaneous drivers in TPL. These drivers perform various |
| 1269 | tasks that don't fall nicely into other categories, Enable this |
| 1270 | option to build the drivers in drivers/misc as part of an TPL |
| 1271 | build, for those that support building in TPL (not all drivers do). |
| 1272 | |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1273 | config TPL_ENV_SUPPORT |
| 1274 | bool "Support an environment" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1275 | help |
| 1276 | Enable environment support in TPL. See SPL_ENV_SUPPORT for details. |
| 1277 | |
Simon Glass | 592d5b9 | 2018-11-15 18:43:55 -0700 | [diff] [blame] | 1278 | config TPL_GPIO_SUPPORT |
| 1279 | bool "Support GPIO in TPL" |
| 1280 | help |
| 1281 | Enable support for GPIOs (General-purpose Input/Output) in TPL. |
| 1282 | GPIOs allow U-Boot to read the state of an input line (high or |
| 1283 | low) and set the state of an output line. This can be used to |
| 1284 | drive LEDs, control power to various system parts and read user |
| 1285 | input. GPIOs can be useful in TPL to enable a 'sign-of-life' LED, |
| 1286 | for example. Enable this option to build the drivers in |
| 1287 | drivers/gpio as part of an TPL build. |
| 1288 | |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1289 | config TPL_I2C_SUPPORT |
| 1290 | bool "Support I2C" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1291 | help |
Philipp Tomsich | 6c7a88e | 2017-07-28 17:03:03 +0200 | [diff] [blame] | 1292 | Enable support for the I2C bus in TPL. See SPL_I2C_SUPPORT for |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1293 | details. |
| 1294 | |
| 1295 | config TPL_LIBCOMMON_SUPPORT |
| 1296 | bool "Support common libraries" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1297 | help |
| 1298 | Enable support for common U-Boot libraries within TPL. See |
| 1299 | SPL_LIBCOMMON_SUPPORT for details. |
| 1300 | |
| 1301 | config TPL_LIBGENERIC_SUPPORT |
| 1302 | bool "Support generic libraries" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1303 | help |
| 1304 | Enable support for generic U-Boot libraries within TPL. See |
| 1305 | SPL_LIBGENERIC_SUPPORT for details. |
| 1306 | |
| 1307 | config TPL_MPC8XXX_INIT_DDR_SUPPORT |
| 1308 | bool "Support MPC8XXX DDR init" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1309 | help |
| 1310 | Enable support for DDR-SDRAM on the MPC8XXX family within TPL. See |
| 1311 | SPL_MPC8XXX_INIT_DDR_SUPPORT for details. |
| 1312 | |
| 1313 | config TPL_MMC_SUPPORT |
| 1314 | bool "Support MMC" |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 1315 | depends on MMC |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1316 | help |
| 1317 | Enable support for MMC within TPL. See SPL_MMC_SUPPORT for details. |
| 1318 | |
| 1319 | config TPL_NAND_SUPPORT |
| 1320 | bool "Support NAND flash" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1321 | help |
Philipp Tomsich | 6c7a88e | 2017-07-28 17:03:03 +0200 | [diff] [blame] | 1322 | Enable support for NAND in TPL. See SPL_NAND_SUPPORT for details. |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1323 | |
Sekhar Nori | 9108d92 | 2018-12-06 15:40:08 +0530 | [diff] [blame] | 1324 | config TPL_PCI |
Simon Glass | 592d5b9 | 2018-11-15 18:43:55 -0700 | [diff] [blame] | 1325 | bool "Support PCI drivers" |
| 1326 | help |
| 1327 | Enable support for PCI in TPL. For platforms that need PCI to boot, |
| 1328 | or must perform some init using PCI in SPL, this provides the |
| 1329 | necessary driver support. This enables the drivers in drivers/pci |
| 1330 | as part of a TPL build. |
| 1331 | |
| 1332 | config TPL_PCH_SUPPORT |
| 1333 | bool "Support PCH drivers" |
| 1334 | help |
| 1335 | Enable support for PCH (Platform Controller Hub) devices in TPL. |
| 1336 | These are used to set up GPIOs and the SPI peripheral early in |
| 1337 | boot. This enables the drivers in drivers/pch as part of a TPL |
| 1338 | build. |
| 1339 | |
Marek Vasut | 8449372 | 2018-04-07 17:03:45 +0200 | [diff] [blame] | 1340 | config TPL_RAM_SUPPORT |
| 1341 | bool "Support booting from RAM" |
| 1342 | help |
| 1343 | Enable booting of an image in RAM. The image can be preloaded or |
| 1344 | it can be loaded by TPL directly into RAM (e.g. using USB). |
| 1345 | |
| 1346 | config TPL_RAM_DEVICE |
| 1347 | bool "Support booting from preloaded image in RAM" |
| 1348 | depends on TPL_RAM_SUPPORT |
| 1349 | help |
| 1350 | Enable booting of an image already loaded in RAM. The image has to |
| 1351 | be already in memory when TPL takes over, e.g. loaded by the boot |
| 1352 | ROM. |
| 1353 | |
Simon Glass | 592d5b9 | 2018-11-15 18:43:55 -0700 | [diff] [blame] | 1354 | config TPL_RTC_SUPPORT |
| 1355 | bool "Support RTC drivers" |
| 1356 | help |
| 1357 | Enable RTC (Real-time Clock) support in TPL. This includes support |
| 1358 | for reading and setting the time. Some RTC devices also have some |
| 1359 | non-volatile (battery-backed) memory which is accessible if |
| 1360 | needed. This enables the drivers in drivers/rtc as part of an TPL |
| 1361 | build. |
| 1362 | |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1363 | config TPL_SERIAL_SUPPORT |
| 1364 | bool "Support serial" |
Alex Kiernan | 5b40428 | 2018-04-19 04:32:54 +0000 | [diff] [blame] | 1365 | select TPL_PRINTF |
| 1366 | select TPL_STRTO |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1367 | help |
Philipp Tomsich | 6c7a88e | 2017-07-28 17:03:03 +0200 | [diff] [blame] | 1368 | Enable support for serial in TPL. See SPL_SERIAL_SUPPORT for |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1369 | details. |
| 1370 | |
| 1371 | config TPL_SPI_FLASH_SUPPORT |
| 1372 | bool "Support SPI flash drivers" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1373 | help |
Philipp Tomsich | 6c7a88e | 2017-07-28 17:03:03 +0200 | [diff] [blame] | 1374 | Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1375 | for details. |
| 1376 | |
Marek Vasut | e6b94da | 2018-04-07 16:05:46 +0200 | [diff] [blame] | 1377 | config TPL_SPI_LOAD |
| 1378 | bool "Support loading from SPI flash" |
| 1379 | depends on TPL_SPI_FLASH_SUPPORT |
| 1380 | help |
| 1381 | Enable support for loading next stage, U-Boot or otherwise, from |
| 1382 | SPI NOR in U-Boot TPL. |
| 1383 | |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1384 | config TPL_SPI_SUPPORT |
| 1385 | bool "Support SPI drivers" |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1386 | help |
Philipp Tomsich | 6c7a88e | 2017-07-28 17:03:03 +0200 | [diff] [blame] | 1387 | Enable support for using SPI in TPL. See SPL_SPI_SUPPORT for |
Simon Glass | 688be33 | 2016-09-12 23:18:27 -0600 | [diff] [blame] | 1388 | details. |
| 1389 | |
Marek Vasut | 0477424 | 2018-04-07 16:06:11 +0200 | [diff] [blame] | 1390 | config TPL_YMODEM_SUPPORT |
| 1391 | bool "Support loading using Ymodem" |
Alex Kiernan | 44ad550 | 2018-04-19 04:32:52 +0000 | [diff] [blame] | 1392 | depends on TPL_SERIAL_SUPPORT |
Marek Vasut | 0477424 | 2018-04-07 16:06:11 +0200 | [diff] [blame] | 1393 | help |
| 1394 | While loading from serial is slow it can be a useful backup when |
| 1395 | there is no other option. The Ymodem protocol provides a reliable |
| 1396 | means of transmitting U-Boot over a serial line for using in TPL, |
| 1397 | with a checksum to ensure correctness. |
| 1398 | |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 1399 | endif # TPL |
| 1400 | |
Eugen Hristev | fdd833e | 2019-05-24 09:38:10 +0300 | [diff] [blame] | 1401 | config SPL_AT91_MCK_BYPASS |
| 1402 | bool "Use external clock signal as a source of main clock for AT91 platforms" |
| 1403 | depends on ARCH_AT91 |
| 1404 | default n |
| 1405 | help |
| 1406 | Use external 8 to 24 Mhz clock signal as source of main clock instead |
| 1407 | of an external crystal oscillator. |
| 1408 | This option disables the internal driving on the XOUT pin. |
| 1409 | The external source has to provide a stable clock on the XIN pin. |
| 1410 | If this option is disabled, the SoC expects a crystal oscillator |
| 1411 | that needs driving on both XIN and XOUT lines. |
| 1412 | |
Tom Rini | 3c82f98 | 2017-05-22 19:21:57 +0000 | [diff] [blame] | 1413 | endif # SPL |
Simon Glass | 1e3911a | 2016-09-13 07:05:23 -0600 | [diff] [blame] | 1414 | endmenu |