common/board_f: move board_init_f_mem() from #else CONFIG_X86

[people/ms/u-boot.git] / Kconfig

diff --git a/Kconfig b/Kconfig
index 91a0618dbbea4000c2c0e9c0046f4c9bf1899495..b5968d74a179a3e37085a86eb0888a1e6ef07271 100644 (file)
--- 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 +114,24 @@ config 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