Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 1 | # |
| 2 | # For a description of the syntax of this configuration file, |
| 3 | # see Documentation/kbuild/kconfig-language.txt. |
| 4 | # |
| 5 | mainmenu "U-Boot $UBOOTVERSION Configuration" |
| 6 | |
| 7 | config UBOOTVERSION |
| 8 | string |
| 9 | option env="UBOOTVERSION" |
| 10 | |
Simon Glass | 157c395 | 2015-02-24 22:26:19 +0900 | [diff] [blame] | 11 | # Allow defaults in arch-specific code to override any given here |
| 12 | source "arch/Kconfig" |
| 13 | |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 14 | menu "General setup" |
| 15 | |
Masahiro Yamada | 6ea06e6 | 2014-08-22 19:42:27 +0900 | [diff] [blame] | 16 | config LOCALVERSION |
| 17 | string "Local version - append to U-Boot release" |
Masahiro Yamada | 6ea06e6 | 2014-08-22 19:42:27 +0900 | [diff] [blame] | 18 | help |
| 19 | Append an extra string to the end of your U-Boot version. |
| 20 | This will show up on your boot log, for example. |
| 21 | The string you set here will be appended after the contents of |
| 22 | any files with a filename matching localversion* in your |
| 23 | object and source tree, in that order. Your total string can |
| 24 | be a maximum of 64 characters. |
| 25 | |
| 26 | config LOCALVERSION_AUTO |
| 27 | bool "Automatically append version information to the version string" |
Masahiro Yamada | 6ea06e6 | 2014-08-22 19:42:27 +0900 | [diff] [blame] | 28 | default y |
| 29 | help |
| 30 | This will try to automatically determine if the current tree is a |
| 31 | release tree by looking for git tags that belong to the current |
| 32 | top of tree revision. |
| 33 | |
| 34 | A string of the format -gxxxxxxxx will be added to the localversion |
| 35 | if a git-based tree is found. The string generated by this will be |
| 36 | appended after any matching localversion* files, and after the value |
| 37 | set in CONFIG_LOCALVERSION. |
| 38 | |
| 39 | (The actual string used here is the first eight characters produced |
| 40 | by running the command: |
| 41 | |
| 42 | $ git rev-parse --verify HEAD |
| 43 | |
| 44 | which is done within the script "scripts/setlocalversion".) |
| 45 | |
Masahiro Yamada | 8240a4b | 2014-08-22 19:42:29 +0900 | [diff] [blame] | 46 | config CC_OPTIMIZE_FOR_SIZE |
| 47 | bool "Optimize for size" |
Masahiro Yamada | 8240a4b | 2014-08-22 19:42:29 +0900 | [diff] [blame] | 48 | default y |
| 49 | help |
| 50 | Enabling this option will pass "-Os" instead of "-O2" to gcc |
| 51 | resulting in a smaller U-Boot image. |
| 52 | |
| 53 | This option is enabled by default for U-Boot. |
| 54 | |
Simon Glass | 838723b | 2015-02-11 16:32:59 -0700 | [diff] [blame] | 55 | config SYS_MALLOC_F |
| 56 | bool "Enable malloc() pool before relocation" |
Masahiro Yamada | c698824 | 2015-03-19 19:42:55 +0900 | [diff] [blame] | 57 | default y if DM |
Simon Glass | 838723b | 2015-02-11 16:32:59 -0700 | [diff] [blame] | 58 | help |
| 59 | Before relocation memory is very limited on many platforms. Still, |
| 60 | we can provide a small malloc() pool if needed. Driver model in |
| 61 | particular needs this to operate, so that it can allocate the |
| 62 | initial serial device and any others that are needed. |
| 63 | |
| 64 | config SYS_MALLOC_F_LEN |
| 65 | hex "Size of malloc() pool before relocation" |
| 66 | depends on SYS_MALLOC_F |
| 67 | default 0x400 |
| 68 | help |
| 69 | Before relocation memory is very limited on many platforms. Still, |
| 70 | we can provide a small malloc() pool if needed. Driver model in |
| 71 | particular needs this to operate, so that it can allocate the |
| 72 | initial serial device and any others that are needed. |
| 73 | |
Tom Rini | a50d5b5 | 2014-11-14 09:34:29 +0100 | [diff] [blame] | 74 | menuconfig EXPERT |
Przemyslaw Marczak | 8843678 | 2015-03-04 14:01:24 +0100 | [diff] [blame] | 75 | bool "Configure standard U-Boot features (expert users)" |
| 76 | default y |
| 77 | help |
| 78 | This option allows certain base U-Boot options and settings |
| 79 | to be disabled or tweaked. This is for specialized |
| 80 | environments which can tolerate a "non-standard" U-Boot. |
| 81 | Only use this if you really know what you are doing. |
| 82 | |
| 83 | if EXPERT |
| 84 | config SYS_MALLOC_CLEAR_ON_INIT |
| 85 | bool "Init with zeros the memory reserved for malloc (slow)" |
| 86 | default y |
| 87 | help |
| 88 | This setting is enabled by default. The reserved malloc |
| 89 | memory is initialized with zeros, so first malloc calls |
| 90 | will return the pointer to the zeroed memory. But this |
| 91 | slows the boot time. |
Tom Rini | a50d5b5 | 2014-11-14 09:34:29 +0100 | [diff] [blame] | 92 | |
Przemyslaw Marczak | 8843678 | 2015-03-04 14:01:24 +0100 | [diff] [blame] | 93 | It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN |
| 94 | value, has more than few MiB, e.g. when uses bzip2 or bmp logo. |
| 95 | Then the boot time can be significantly reduced. |
| 96 | Warning: |
| 97 | When disabling this, please check if malloc calls, maybe |
| 98 | should be replaced by calloc - if expects zeroed memory. |
| 99 | endif |
Masahiro Yamada | 9eeddf2 | 2014-11-26 18:42:31 +0900 | [diff] [blame] | 100 | endmenu # General setup |
| 101 | |
Masahiro Yamada | 6ea06e6 | 2014-08-22 19:42:27 +0900 | [diff] [blame] | 102 | menu "Boot images" |
| 103 | |
Masahiro Yamada | 6e0971b | 2014-10-20 17:45:56 +0900 | [diff] [blame] | 104 | config SUPPORT_SPL |
| 105 | bool |
| 106 | |
Masahiro Yamada | f5ebc99 | 2014-10-20 17:45:57 +0900 | [diff] [blame] | 107 | config SUPPORT_TPL |
| 108 | bool |
| 109 | |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 110 | config SPL |
| 111 | bool |
Masahiro Yamada | 6e0971b | 2014-10-20 17:45:56 +0900 | [diff] [blame] | 112 | depends on SUPPORT_SPL |
Masahiro Yamada | cfc2f7d | 2015-02-24 22:26:21 +0900 | [diff] [blame] | 113 | prompt "Enable SPL" |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 114 | help |
| 115 | If you want to build SPL as well as the normal image, say Y. |
| 116 | |
Hans de Goede | 9f9df6f | 2015-09-13 14:45:15 +0200 | [diff] [blame] | 117 | config SPL_SYS_MALLOC_SIMPLE |
| 118 | bool |
| 119 | depends on SPL |
| 120 | prompt "Only use malloc_simple functions in the spl" |
| 121 | help |
| 122 | Say Y here to only use the *_simple malloc functions from |
| 123 | malloc_simple.c, rather then using the versions from dlmalloc.c |
| 124 | this will make the SPL binary smaller at the cost of more heap |
| 125 | usage as the *_simple malloc functions do not re-use free-ed mem. |
| 126 | |
Simon Glass | d8711af | 2015-03-03 08:03:00 -0700 | [diff] [blame] | 127 | config SPL_STACK_R |
| 128 | depends on SPL |
| 129 | bool "Enable SDRAM location for SPL stack" |
| 130 | help |
| 131 | SPL starts off execution in SRAM and thus typically has only a small |
| 132 | stack available. Since SPL sets up DRAM while in its board_init_f() |
| 133 | function, it is possible for the stack to move there before |
| 134 | board_init_r() is reached. This option enables a special SDRAM |
| 135 | location for the SPL stack. U-Boot SPL switches to this after |
| 136 | board_init_f() completes, and before board_init_r() starts. |
| 137 | |
| 138 | config SPL_STACK_R_ADDR |
| 139 | depends on SPL_STACK_R |
| 140 | hex "SDRAM location for SPL stack" |
| 141 | help |
| 142 | Specify the address in SDRAM for the SPL stack. This will be set up |
| 143 | before board_init_r() is called. |
| 144 | |
Hans de Goede | 8f28038 | 2015-09-13 15:04:17 +0200 | [diff] [blame] | 145 | config SPL_STACK_R_MALLOC_SIMPLE_LEN |
| 146 | depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE |
| 147 | hex "Size of malloc_simple heap after switching to DRAM SPL stack" |
| 148 | default 0x100000 |
| 149 | help |
| 150 | Specify the amount of the stack to use as memory pool for |
| 151 | malloc_simple after switching the stack to DRAM. This may be set |
| 152 | to give board_init_r() a larger heap then the initial heap in |
| 153 | SRAM which is limited to SYS_MALLOC_F_LEN bytes. |
| 154 | |
Simon Glass | 77ec34e | 2015-10-17 19:41:19 -0600 | [diff] [blame] | 155 | config SPL_SEPARATE_BSS |
| 156 | depends on SPL |
| 157 | bool "BSS section is in a different memory region from text" |
| 158 | help |
| 159 | Some platforms need a large BSS region in SPL and can provide this |
| 160 | because RAM is already set up. In this case BSS can be moved to RAM. |
| 161 | This option should then be enabled so that the correct device tree |
| 162 | location is used. Normally we put the device tree at the end of BSS |
| 163 | but with this option enabled, it goes at _image_binary_end. |
| 164 | |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 165 | config TPL |
| 166 | bool |
Masahiro Yamada | f5ebc99 | 2014-10-20 17:45:57 +0900 | [diff] [blame] | 167 | depends on SPL && SUPPORT_TPL |
Masahiro Yamada | cfc2f7d | 2015-02-24 22:26:21 +0900 | [diff] [blame] | 168 | prompt "Enable TPL" |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 169 | help |
| 170 | If you want to build TPL as well as the normal image and SPL, say Y. |
| 171 | |
Masahiro Yamada | a7fa746 | 2014-11-13 19:29:06 +0900 | [diff] [blame] | 172 | config FIT |
| 173 | bool "Support Flattened Image Tree" |
Masahiro Yamada | a7fa746 | 2014-11-13 19:29:06 +0900 | [diff] [blame] | 174 | help |
| 175 | This option allows to boot the new uImage structrure, |
| 176 | Flattened Image Tree. FIT is formally a FDT, which can include |
| 177 | images of various types (kernel, FDT blob, ramdisk, etc.) |
| 178 | in a single blob. To boot this new uImage structure, |
Igor Grinberg | e40176b | 2015-08-26 17:54:45 +0300 | [diff] [blame] | 179 | pass the address of the blob to the "bootm" command. |
Masahiro Yamada | a7fa746 | 2014-11-13 19:29:06 +0900 | [diff] [blame] | 180 | |
| 181 | config FIT_VERBOSE |
| 182 | bool "Display verbose messages on FIT boot" |
| 183 | depends on FIT |
| 184 | |
| 185 | config FIT_SIGNATURE |
Ruchika Gupta | 2c3822e | 2015-01-23 16:01:51 +0530 | [diff] [blame] | 186 | bool "Enable signature verification of FIT uImages" |
Masahiro Yamada | a7fa746 | 2014-11-13 19:29:06 +0900 | [diff] [blame] | 187 | depends on FIT |
Chris Kuethe | b58cf4f | 2015-02-04 19:16:14 -0800 | [diff] [blame] | 188 | depends on DM |
Ruchika Gupta | 2c3822e | 2015-01-23 16:01:51 +0530 | [diff] [blame] | 189 | select RSA |
Masahiro Yamada | a7fa746 | 2014-11-13 19:29:06 +0900 | [diff] [blame] | 190 | help |
| 191 | This option enables signature verification of FIT uImages, |
gaurav rana | ef20159 | 2015-02-20 12:51:46 +0530 | [diff] [blame] | 192 | using a hash signed and verified using RSA. If |
| 193 | CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive |
| 194 | hashing is available using hardware, RSA library will use it. |
Masahiro Yamada | a7fa746 | 2014-11-13 19:29:06 +0900 | [diff] [blame] | 195 | See doc/uImage.FIT/signature.txt for more details. |
| 196 | |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 197 | config SYS_EXTRA_OPTIONS |
| 198 | string "Extra Options (DEPRECATED)" |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 199 | help |
| 200 | The old configuration infrastructure (= mkconfig + boards.cfg) |
Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 201 | provided the extra options field. If you have something like |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 202 | "HAS_BAR,BAZ=64", the optional options |
| 203 | #define CONFIG_HAS |
| 204 | #define CONFIG_BAZ 64 |
| 205 | will be defined in include/config.h. |
| 206 | This option was prepared for the smooth migration from the old |
| 207 | configuration to Kconfig. Since this option will be removed sometime, |
| 208 | new boards should not use this option. |
| 209 | |
Masahiro Yamada | c02a327 | 2014-10-30 15:30:58 +0900 | [diff] [blame] | 210 | config SYS_TEXT_BASE |
Masahiro Yamada | 39e48a5 | 2015-12-11 12:22:24 +0900 | [diff] [blame] | 211 | depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \ |
Masahiro Yamada | 91f5d27 | 2015-12-11 12:22:26 +0900 | [diff] [blame] | 212 | (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE |
Ben Stoltz | b7e4124 | 2015-08-04 12:33:41 -0600 | [diff] [blame] | 213 | depends on !EFI_APP |
Masahiro Yamada | c02a327 | 2014-10-30 15:30:58 +0900 | [diff] [blame] | 214 | hex "Text Base" |
| 215 | help |
| 216 | TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture |
| 217 | |
Alexey Brodkin | 693744a | 2015-01-13 18:49:01 +0300 | [diff] [blame] | 218 | config SYS_CLK_FREQ |
Iain Paton | 630df14 | 2015-03-28 10:26:38 +0000 | [diff] [blame] | 219 | depends on ARC || ARCH_SUNXI |
Alexey Brodkin | 693744a | 2015-01-13 18:49:01 +0300 | [diff] [blame] | 220 | int "CPU clock frequency" |
| 221 | help |
| 222 | TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture |
| 223 | |
Masahiro Yamada | 6ea06e6 | 2014-08-22 19:42:27 +0900 | [diff] [blame] | 224 | endmenu # Boot images |
Masahiro Yamada | 804bc5e | 2014-07-30 14:08:15 +0900 | [diff] [blame] | 225 | |
Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 226 | source "common/Kconfig" |
| 227 | |
Simon Glass | 29499a0 | 2016-01-17 20:53:51 -0700 | [diff] [blame] | 228 | source "cmd/Kconfig" |
| 229 | |
Masahiro Yamada | 9fadbc8 | 2014-09-22 19:59:05 +0900 | [diff] [blame] | 230 | source "dts/Kconfig" |
| 231 | |
Masahiro Yamada | f3e12b7 | 2014-09-16 16:32:58 +0900 | [diff] [blame] | 232 | source "net/Kconfig" |
| 233 | |
| 234 | source "drivers/Kconfig" |
| 235 | |
| 236 | source "fs/Kconfig" |
| 237 | |
| 238 | source "lib/Kconfig" |
Simon Glass | 9dd430d | 2015-02-05 21:41:37 -0700 | [diff] [blame] | 239 | |
| 240 | source "test/Kconfig" |