powerpc: Support CMDLINE_EXTEND

[linux-2.6-microblaze.git] / arch / powerpc / Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3e56c9c..51a975c 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -874,15 +874,33 @@ config CMDLINE
          some command-line options at build time by entering them here.  In
          most cases you will need to specify the root device here.
 
+choice
+       prompt "Kernel command line type" if CMDLINE != ""
+       default CMDLINE_FROM_BOOTLOADER
+
+config CMDLINE_FROM_BOOTLOADER
+       bool "Use bootloader kernel arguments if available"
+       help
+         Uses the command-line options passed by the boot loader. If
+         the boot loader doesn't provide any, the default kernel command
+         string provided in CMDLINE will be used.
+
+config CMDLINE_EXTEND
+       bool "Extend bootloader kernel arguments"
+       help
+         The command-line arguments provided by the boot loader will be
+         appended to the default kernel command string.
+
 config CMDLINE_FORCE
        bool "Always use the default kernel command string"
-       depends on CMDLINE_BOOL
        help
          Always use the default kernel command string, even if the boot
          loader passes other arguments to the kernel.
          This is useful if you cannot or don't want to change the
          command-line options your boot loader passes to the kernel.
 
+endchoice
+
 config EXTRA_TARGETS
        string "Additional default image types"
        help