X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=Kconfig;h=e7002edcb91bfb14c52695c75c324f9be960cc01;hb=c16bf621d5100a1f5c64becc82b5620810565f3e;hp=932fc8b12af31a337d13be8eeca669b8826077a7;hpb=130aec779ad9a2e28dc9d42ca5b367b957f311d7;p=oweals%2Fu-boot.git diff --git a/Kconfig b/Kconfig index 932fc8b12a..e7002edcb9 100644 --- a/Kconfig +++ b/Kconfig @@ -8,15 +8,13 @@ config UBOOTVERSION string option env="UBOOTVERSION" -config KCONFIG_OBJDIR - string - option env="KCONFIG_OBJDIR" +# Allow defaults in arch-specific code to override any given here +source "arch/Kconfig" menu "General setup" config LOCALVERSION string "Local version - append to U-Boot release" - depends on !SPL_BUILD help Append an extra string to the end of your U-Boot version. This will show up on your boot log, for example. @@ -27,7 +25,6 @@ config LOCALVERSION config LOCALVERSION_AUTO bool "Automatically append version information to the version string" - depends on !SPL_BUILD default y help This will try to automatically determine if the current tree is a @@ -48,7 +45,6 @@ config LOCALVERSION_AUTO config CC_OPTIMIZE_FOR_SIZE bool "Optimize for size" - depends on !SPL_BUILD default y help Enabling this option will pass "-Os" instead of "-O2" to gcc @@ -56,19 +52,54 @@ config CC_OPTIMIZE_FOR_SIZE This option is enabled by default for U-Boot. -endmenu # General setup +config SYS_MALLOC_F + bool "Enable malloc() pool before relocation" + default y if DM + help + Before relocation memory is very limited on many platforms. Still, + we can provide a small malloc() pool if needed. Driver model in + particular needs this to operate, so that it can allocate the + initial serial device and any others that are needed. -menu "Boot images" +config SYS_MALLOC_F_LEN + hex "Size of malloc() pool before relocation" + depends on SYS_MALLOC_F + default 0x400 + help + Before relocation memory is very limited on many platforms. Still, + we can provide a small malloc() pool if needed. Driver model in + particular needs this to operate, so that it can allocate the + initial serial device and any others that are needed. -config SPL_BUILD - bool - depends on $KCONFIG_OBJDIR="spl" || $KCONFIG_OBJDIR="tpl" +menuconfig EXPERT + bool "Configure standard U-Boot features (expert users)" default y + help + This option allows certain base U-Boot options and settings + to be disabled or tweaked. This is for specialized + environments which can tolerate a "non-standard" U-Boot. + Only use this if you really know what you are doing. -config TPL_BUILD - bool - depends on $KCONFIG_OBJDIR="tpl" +if EXPERT + config SYS_MALLOC_CLEAR_ON_INIT + bool "Init with zeros the memory reserved for malloc (slow)" default y + help + This setting is enabled by default. The reserved malloc + memory is initialized with zeros, so first malloc calls + will return the pointer to the zeroed memory. But this + slows the boot time. + + It is recommended to disable it, when CONFIG_SYS_MALLOC_LEN + value, has more than few MiB, e.g. when uses bzip2 or bmp logo. + Then the boot time can be significantly reduced. + Warning: + When disabling this, please check if malloc calls, maybe + should be replaced by calloc - if expects zeroed memory. +endif +endmenu # General setup + +menu "Boot images" config SUPPORT_SPL bool @@ -79,23 +110,150 @@ config SUPPORT_TPL config SPL bool depends on SUPPORT_SPL - prompt "Enable SPL" if !SPL_BUILD - default y if SPL_BUILD + prompt "Enable SPL" help If you want to build SPL as well as the normal image, say Y. +config SPL_SYS_MALLOC_SIMPLE + bool + depends on SPL + prompt "Only use malloc_simple functions in the spl" + help + Say Y here to only use the *_simple malloc functions from + malloc_simple.c, rather then using the versions from dlmalloc.c + this will make the SPL binary smaller at the cost of more heap + usage as the *_simple malloc functions do not re-use free-ed mem. + +config SPL_STACK_R + depends on SPL + bool "Enable SDRAM location for SPL stack" + help + SPL starts off execution in SRAM and thus typically has only a small + stack available. Since SPL sets up DRAM while in its board_init_f() + function, it is possible for the stack to move there before + board_init_r() is reached. This option enables a special SDRAM + location for the SPL stack. U-Boot SPL switches to this after + board_init_f() completes, and before board_init_r() starts. + +config SPL_STACK_R_ADDR + depends on SPL_STACK_R + hex "SDRAM location for SPL stack" + help + Specify the address in SDRAM for the SPL stack. This will be set up + before board_init_r() is called. + +config SPL_STACK_R_MALLOC_SIMPLE_LEN + depends on SPL_STACK_R && SPL_SYS_MALLOC_SIMPLE + hex "Size of malloc_simple heap after switching to DRAM SPL stack" + default 0x100000 + help + Specify the amount of the stack to use as memory pool for + malloc_simple after switching the stack to DRAM. This may be set + to give board_init_r() a larger heap then the initial heap in + SRAM which is limited to SYS_MALLOC_F_LEN bytes. + +config SPL_SEPARATE_BSS + depends on SPL + bool "BSS section is in a different memory region from text" + help + Some platforms need a large BSS region in SPL and can provide this + because RAM is already set up. In this case BSS can be moved to RAM. + This option should then be enabled so that the correct device tree + location is used. Normally we put the device tree at the end of BSS + but with this option enabled, it goes at _image_binary_end. + config TPL bool depends on SPL && SUPPORT_TPL - prompt "Enable TPL" if !SPL_BUILD - default y if TPL_BUILD - default n + prompt "Enable TPL" help If you want to build TPL as well as the normal image and SPL, say Y. +config FIT + bool "Support Flattened Image Tree" + help + This option allows to boot the new uImage structrure, + Flattened Image Tree. FIT is formally a FDT, which can include + images of various types (kernel, FDT blob, ramdisk, etc.) + in a single blob. To boot this new uImage structure, + pass the address of the blob to the "bootm" command. + FIT is very flexible, supporting compression, multiple images, + multiple configurations, verification through hashing and also + verified boot (secure boot using RSA). This option enables that + feature. + +config FIT_VERBOSE + bool "Display verbose messages on FIT boot" + depends on FIT + +config FIT_SIGNATURE + bool "Enable signature verification of FIT uImages" + depends on FIT + depends on DM + select RSA + help + This option enables signature verification of FIT uImages, + using a hash signed and verified using RSA. If + CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive + hashing is available using hardware, then then RSA library will use + it. See doc/uImage.FIT/signature.txt for more details. + + WARNING: When relying on signed FIT images with a required signature + check the legacy image format is disabled by default, so that + unsigned images cannot be loaded. If a board needs the legacy image + format support in this case, enable it using + CONFIG_IMAGE_FORMAT_LEGACY. + +config FIT_BEST_MATCH + bool "Select the best match for the kernel device tree" + depends on FIT + help + When no configuration is explicitly selected, default to the + one whose fdt's compatibility field best matches that of + U-Boot itself. A match is considered "best" if it matches the + most specific compatibility entry of U-Boot's fdt's root node. + The order of entries in the configuration's fdt is ignored. + +config FIT_VERBOSE + bool "Show verbose messages when FIT images fails" + depends on FIT + help + Generally a system will have valid FIT images so debug messages + are a waste of code space. If you are debugging your images then + you can enable this option to get more verbose information about + failures. + +config OF_BOARD_SETUP + bool "Set up board-specific details in device tree before boot" + depends on OF_LIBFDT + help + This causes U-Boot to call ft_board_setup() before booting into + the Operating System. This function can set up various + board-specific information in the device tree for use by the OS. + The device tree is then passed to the OS. + +config OF_SYSTEM_SETUP + bool "Set up system-specific details in device tree before boot" + depends on OF_LIBFDT + help + This causes U-Boot to call ft_system_setup() before booting into + the Operating System. This function can set up various + system-specific information in the device tree for use by the OS. + The device tree is then passed to the OS. + +config OF_STDOUT_VIA_ALIAS + bool "Update the device-tree stdout alias from U-Boot" + depends on OF_LIBFDT + help + This uses U-Boot's serial alias from the aliases node to update + the device tree passed to the OS. The "linux,stdout-path" property + in the chosen node is set to point to the correct serial node. + This option currently references CONFIG_CONS_INDEX, which is + incorrect when used with device tree as this option does not + exist / should not be used. + config SYS_EXTRA_OPTIONS string "Extra Options (DEPRECATED)" - depends on !SPL_BUILD help The old configuration infrastructure (= mkconfig + boards.cfg) provided the extra options field. If you have something like @@ -107,12 +265,37 @@ config SYS_EXTRA_OPTIONS configuration to Kconfig. Since this option will be removed sometime, new boards should not use this option. -endmenu # Boot images +config SYS_TEXT_BASE + depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \ + (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE + depends on !EFI_APP + hex "Text Base" + help + TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture -source "arch/Kconfig" +config SPL_LOAD_FIT + bool "Enable SPL loading U-Boot as a FIT" + depends on FIT + help + Normally with the SPL framework a legacy image is generated as part + of the build. This contains U-Boot along with information as to + where it should be loaded. This option instead enables generation + of a FIT (Flat Image Tree) which provides more flexibility. In + particular it can handle selecting from multiple device tree + and passing the correct one to U-Boot. + +config SYS_CLK_FREQ + depends on ARC || ARCH_SUNXI + int "CPU clock frequency" + help + TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture + +endmenu # Boot images source "common/Kconfig" +source "cmd/Kconfig" + source "dts/Kconfig" source "net/Kconfig" @@ -122,3 +305,5 @@ source "drivers/Kconfig" source "fs/Kconfig" source "lib/Kconfig" + +source "test/Kconfig"