X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=Kconfig;h=821b464db207b60813e326fcb3b014c98a2e98a3;hb=9c42558afb80e46c72bd3852f8fe1c2144726b7b;hp=91a0618dbbea4000c2c0e9c0046f4c9bf1899495;hpb=57c6941b433722ab83a50dab35b8ab5a0954942a;p=u-boot diff --git a/Kconfig b/Kconfig index 91a0618dbb..821b464db2 100644 --- a/Kconfig +++ b/Kconfig @@ -54,7 +54,7 @@ config CC_OPTIMIZE_FOR_SIZE config SYS_MALLOC_F bool "Enable malloc() pool before relocation" - default 0x400 + 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 @@ -72,13 +72,31 @@ 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" @@ -96,6 +114,54 @@ config 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 @@ -110,7 +176,7 @@ 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, - pass the the address of the blob to the "bootm" command. + pass the address of the blob to the "bootm" command. config FIT_VERBOSE bool "Display verbose messages on FIT boot" @@ -142,13 +208,14 @@ config SYS_EXTRA_OPTIONS new boards should not use this option. config SYS_TEXT_BASE - depends on SPARC || ARC + depends on SPARC || ARC || X86 || ARCH_UNIPHIER || ARCH_ZYNQMP + depends on !EFI_APP hex "Text Base" help TODO: Move CONFIG_SYS_TEXT_BASE for all the architecture 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