treewide: move CONFIG_PHYS_64BIT to Kconfig

[platform/kernel/u-boot.git] / Kconfig

diff --git a/Kconfig b/Kconfig
index b879461..1119b19 100644 (file)
--- a/Kconfig
+++ b/Kconfig
@@ -1,6 +1,7 @@
 #
 # For a description of the syntax of this configuration file,
 #
 # For a description of the syntax of this configuration file,

-# see Documentation/kbuild/kconfig-language.txt.
+# see the file Documentation/kbuild/kconfig-language.txt in the
+# Linux kernel source tree.

 #
 mainmenu "U-Boot $UBOOTVERSION Configuration"
 
 #
 mainmenu "U-Boot $UBOOTVERSION Configuration"
 


@@ -17,7 +18,7 @@ config LOCALVERSION
        string "Local version - append to U-Boot release"
        help
          Append an extra string to the end of your U-Boot version.
        string "Local version - append to U-Boot release"
        help
          Append an extra string to the end of your U-Boot version.

-         This will show up on your boot log, for example.
+         This will show up in your boot log, for example.

          The string you set here will be appended after the contents of
          any files with a filename matching localversion* in your
          object and source tree, in that order.  Your total string can
          The string you set here will be appended after the contents of
          any files with a filename matching localversion* in your
          object and source tree, in that order.  Your total string can


@@ -28,11 +29,11 @@ config LOCALVERSION_AUTO
        default y
        help
          This will try to automatically determine if the current tree is a
        default y
        help
          This will try to automatically determine if the current tree is a

-         release tree by looking for git tags that belong to the current
+         release tree by looking for Git tags that belong to the current

          top of tree revision.
 
          A string of the format -gxxxxxxxx will be added to the localversion
          top of tree revision.
 
          A string of the format -gxxxxxxxx will be added to the localversion

-         if a git-based tree is found.  The string generated by this will be
+         if a Git-based tree is found.  The string generated by this will be

          appended after any matching localversion* files, and after the value
          set in CONFIG_LOCALVERSION.
 
          appended after any matching localversion* files, and after the value
          set in CONFIG_LOCALVERSION.
 


@@ -52,11 +53,28 @@ config CC_OPTIMIZE_FOR_SIZE
 
          This option is enabled by default for U-Boot.
 
 
          This option is enabled by default for U-Boot.
 

+config DISTRO_DEFAULTS
+       bool "Select defaults suitable for booting general purpose Linux distributions"
+       default y if ARCH_SUNXI
+       default n
+       select CMD_BOOTZ
+       select CMD_DHCP
+       select CMD_EXT2
+       select CMD_EXT4
+       select CMD_FAT
+       select CMD_FS_GENERIC
+       select CMD_MII
+       select CMD_PING
+       select HUSH_PARSER
+       help
+         Select this to enable various options and commands which are suitable
+         for building u-boot for booting general purpose Linux distributions.
+

 config SYS_MALLOC_F
        bool "Enable malloc() pool before relocation"
 config SYS_MALLOC_F
        bool "Enable malloc() pool before relocation"

-       default 0x400
+       default y if DM

        help
        help

-         Before relocation memory is very limited on many platforms. Still,
+         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.
          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.


@@ -66,18 +84,53 @@ config SYS_MALLOC_F_LEN
        depends on SYS_MALLOC_F
        default 0x400
        help
        depends on SYS_MALLOC_F
        default 0x400
        help

-         Before relocation memory is very limited on many platforms. Still,
+         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.
 
 menuconfig EXPERT
          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.
 
 menuconfig EXPERT

-        bool "Configure standard U-Boot features (expert users)"
-        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.
+       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.
+         Use this only if you really know what you are doing.
+
+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 one expects zeroed memory.
+
+config TOOLS_DEBUG
+       bool "Enable debug information for tools"
+       help
+         Enable generation of debug information for tools such as mkimage.
+         This can be used for debugging purposes. With debug information
+         it is possible to set breakpoints on particular lines, single-step
+         debug through the source code, etc.
+
+endif
+
+config PHYS_64BIT
+       bool "64bit physical address support"
+       help
+         Say Y here to support 64bit physical memory address.
+         This can be used not only for 64bit SoCs, but also for
+         large physical address extention on 32bit SoCs.

 
 endmenu                # General setup
 
 
 endmenu                # General setup
 


@@ -96,6 +149,16 @@ config SPL
        help
          If you want to build SPL as well as the normal image, say Y.
 
        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"
 config SPL_STACK_R
        depends on SPL
        bool "Enable SDRAM location for SPL stack"


@@ -114,6 +177,26 @@ config SPL_STACK_R_ADDR
          Specify the address in SDRAM for the SPL stack. This will be set up
          before board_init_r() is called.
 
          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
 config TPL
        bool
        depends on SPL && SUPPORT_TPL


@@ -128,7 +211,16 @@ config FIT
          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,
          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 the address of the blob to the "bootm" command.
+         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 SPL_FIT
+       bool "Support Flattened Image Tree within SPL"
+       depends on FIT
+       depends on SPL

 
 config FIT_VERBOSE
        bool "Display verbose messages on FIT boot"
 
 config FIT_VERBOSE
        bool "Display verbose messages on FIT boot"


@@ -143,8 +235,68 @@ config FIT_SIGNATURE
          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
          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, RSA library will use it.
-         See doc/uImage.FIT/signature.txt for more details.
+         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 SPL_FIT_SIGNATURE
+       bool "Enable signature verification of FIT firmware within SPL"
+       depends on SPL_FIT
+       depends on SPL_DM
+       select SPL_RSA
+
+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)"
 
 config SYS_EXTRA_OPTIONS
        string "Extra Options (DEPRECATED)"


@@ -160,21 +312,59 @@ config SYS_EXTRA_OPTIONS
          new boards should not use this option.
 
 config SYS_TEXT_BASE
          new boards should not use this option.
 
 config SYS_TEXT_BASE

-       depends on SPARC || ARC
+       depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP || \
+               (M68K && !TARGET_ASTRO_MCF5373L) || MICROBLAZE || MIPS
+       depends on !EFI_APP

        hex "Text Base"
        help
          TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
 
        hex "Text Base"
        help
          TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture
 

+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 SPL_FIT_IMAGE_POST_PROCESS
+       bool "Enable post-processing of FIT artifacts after loading by the SPL"
+       depends on SPL_LOAD_FIT && TI_SECURE_DEVICE
+       help
+         Allows doing any sort of manipulation to blobs after they got extracted
+         from the U-Boot FIT image like stripping off headers or modifying the
+         size of the blob, verification, authentication, decryption etc. in a
+         platform or board specific way. In order to use this feature a platform
+         or board-specific implementation of board_fit_image_post_process() must
+         be provided. Also, anything done during this post-processing step would
+         need to be comprehended in how the images were prepared before being
+         injected into the FIT creation (i.e. the blobs would have been pre-
+         processed before being added to the FIT image).
+

 config SYS_CLK_FREQ
 config SYS_CLK_FREQ

-       depends on ARC
+       depends on ARC || ARCH_SUNXI

        int "CPU clock frequency"
        help
          TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
 
        int "CPU clock frequency"
        help
          TODO: Move CONFIG_SYS_CLK_FREQ for all the architecture
 

+config ARCH_FIXUP_FDT
+       bool "Enable arch_fixup_fdt() call"
+       depends on ARM || MIPS
+       default y
+       help
+         Enable FDT memory map syncup before OS boot. This feature can be
+         used for booting OS with different memory setup where the part of
+         the memory location should be used for different purpose.
+

 endmenu                # Boot images
 
 source "common/Kconfig"
 
 endmenu                # Boot images
 
 source "common/Kconfig"
 

+source "cmd/Kconfig"
+

 source "dts/Kconfig"
 
 source "net/Kconfig"
 source "dts/Kconfig"
 
 source "net/Kconfig"