diff options
Diffstat (limited to 'Kconfig')
| -rw-r--r-- | Kconfig | 83 |
1 files changed, 50 insertions, 33 deletions
@@ -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 @@ -76,27 +72,35 @@ config SYS_MALLOC_F_LEN 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. + Only use this 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 expects zeroed memory. +endif endmenu # General setup menu "Boot images" -config SPL_BUILD - bool - depends on $KCONFIG_OBJDIR="spl" || $KCONFIG_OBJDIR="tpl" - default y - -config TPL_BUILD - bool - depends on $KCONFIG_OBJDIR="tpl" - default y - config SUPPORT_SPL bool @@ -106,23 +110,37 @@ 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_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 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" - depends on !SPL_BUILD help This option allows to boot the new uImage structrure, Flattened Image Tree. FIT is formally a FDT, which can include @@ -141,12 +159,13 @@ config FIT_SIGNATURE select RSA help This option enables signature verification of FIT uImages, - using a hash signed and verified using RSA. + 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. 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 @@ -172,8 +191,6 @@ config SYS_CLK_FREQ endmenu # Boot images -source "arch/Kconfig" - source "common/Kconfig" source "dts/Kconfig" |