Kconfig: Move payloads section to payloads/Kconfig

Move the payloads section of the kconfig tree out of the top level
kconfig file and into a separate Kconfig just for payloads before
it starts to get added to.

Change-Id: I4f52818f862bf1aeba538c1c6ed93211a78b9853
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13608
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/payloads/Kconfig b/payloads/Kconfig
new file mode 100644
index 000000000000..51c89eae4517
--- /dev/null
+++ b/payloads/Kconfig
@@ -0,0 +1,51 @@
+menu "Payload"
+
+choice
+	prompt "Add a payload"
+	default PAYLOAD_NONE if !ARCH_X86
+	default PAYLOAD_SEABIOS if ARCH_X86
+
+config PAYLOAD_NONE
+	bool "None"
+	help
+	  Select this option if you want to create an "empty" coreboot
+	  ROM image for a certain mainboard, i.e. a coreboot ROM image
+	  which does not yet contain a payload.
+
+	  For such an image to be useful, you have to use 'cbfstool'
+	  to add a payload to the ROM image later.
+
+config PAYLOAD_ELF
+	bool "An ELF executable payload"
+	help
+	  Select this option if you have a payload image (an ELF file)
+	  which coreboot should run as soon as the basic hardware
+	  initialization is completed.
+
+	  You will be able to specify the location and file name of the
+	  payload image later.
+
+source "payloads/external/*/Kconfig.name"
+
+endchoice
+
+source "payloads/external/*/Kconfig"
+
+config PAYLOAD_FILE
+	string "Payload path and filename"
+	depends on PAYLOAD_ELF
+	default "payload.elf"
+	help
+	  The path and filename of the ELF executable file to use as payload.
+
+# TODO: Defined if no payload? Breaks build?
+config COMPRESSED_PAYLOAD_LZMA
+	bool "Use LZMA compression for payloads"
+	default y
+	depends on !PAYLOAD_NONE && !PAYLOAD_LINUX
+	help
+	  In order to reduce the size payloads take up in the ROM chip
+	  coreboot can compress them using the LZMA algorithm.
+
+endmenu
+