arm: Disable ATAGs support

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

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d49f26f..dbf5ceb 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1907,6 +1907,36 @@ config TARGET_XENGUEST_ARM64
        select SSCANF
 endchoice
 
+config SUPPORT_PASSING_ATAGS
+       bool "Support pre-devicetree ATAG-based booting"
+       depends on !ARM64
+       imply SETUP_MEMORY_TAGS
+       help
+         Support for booting older Linux kernels, using ATAGs rather than
+         passing a devicetree.  This is option is rarely used, and the
+         semantics are defined at
+         https://www.kernel.org/doc/Documentation/arm/Booting at section 4a.
+
+config SETUP_MEMORY_TAGS
+       bool "Pass memory size information via ATAG"
+       depends on SUPPORT_PASSING_ATAGS
+
+config CMDLINE_TAG
+       bool "Pass Linux kernel cmdline via ATAG"
+       depends on SUPPORT_PASSING_ATAGS
+
+config INITRD_TAG
+       bool "Pass initrd starting point and size via ATAG"
+       depends on SUPPORT_PASSING_ATAGS
+
+config REVISION_TAG
+       bool "Pass system revision via ATAG"
+       depends on SUPPORT_PASSING_ATAGS
+
+config SERIAL_TAG
+       bool "Pass system serial number via ATAG"
+       depends on SUPPORT_PASSING_ATAGS
+
 config ARCH_SUPPORT_TFABOOT
        bool