Add encrypted-boot-common.inc for machines supporting LUKS encryption
with fTPM. Triggers ti-core-initramfs build and overrides IMAGE_FILE
to use uncompressed cpio.

Signed-off-by: Shiva Tripathi <[email protected]>
---
 .../machine/include/encrypted-boot-common.inc    | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 meta-ti-bsp/conf/machine/include/encrypted-boot-common.inc

diff --git a/meta-ti-bsp/conf/machine/include/encrypted-boot-common.inc 
b/meta-ti-bsp/conf/machine/include/encrypted-boot-common.inc
new file mode 100644
index 00000000..10a5cb86
--- /dev/null
+++ b/meta-ti-bsp/conf/machine/include/encrypted-boot-common.inc
@@ -0,0 +1,16 @@
+# Common logic for encrypted boot with TPM-sealed LUKS keys
+#
+# This include file enables ti-core-initramfs with LUKS encryption support
+# via the initramfs-module-luks-ftpm hook module.
+#
+# To use this in custom image, add to your image bbappend:
+#   require conf/machine/include/encrypted-boot-common.inc
+#
+# This will activate when MACHINE_FEATURES contains 'luks-encryption'
+
+TI_CORE_INITRAMFS_EXTRA_INSTALL:append = 
"${@bb.utils.contains('MACHINE_FEATURES', 'luks-encryption', ' ', '', d)}"
+
+TI_CORE_INITRAMFS_ENABLED ?= "${@ '1' if 
d.getVar('TI_CORE_INITRAMFS_KERNEL_MODULES') or 
d.getVar('TI_CORE_INITRAMFS_EXTRA_INSTALL') or 
bb.utils.contains('MACHINE_FEATURES', 'luks-encryption', 'true', 'false', d) 
else '0'}"
+
+# Override to use uncompressed cpio (U-Boot can't decompress XZ format)
+TI_CORE_INITRAMFS_IMAGE_FILE = "${TI_CORE_INITRAMFS_IMAGE}.cpio;initramfs.cpio"
-- 
2.34.1

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