From da9afd2d423ff0a6cd209afe1e4231eb68909e7e Mon Sep 17 00:00:00 2001
From: so4neet <mcarthurblaire0@gmail.com>
Date: Mon, 27 Jul 2026 22:09:14 -0500
Subject: [PATCH] Inital bootable defconfig and build script for AM6264SIP

---
 README.md                   |  5 +++++
 build.sh                    | 29 +++++++++++++++++++++++++++++
 configs/genimage.cfg        | 28 ++++++++++++++++++++++++++++
 configs/lira_flip_defconfig | 31 +++++++++++++++++++++++++++++++
 4 files changed, 93 insertions(+)
 create mode 100644 README.md
 create mode 100755 build.sh
 create mode 100644 configs/genimage.cfg
 create mode 100644 configs/lira_flip_defconfig

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..482442d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# Flip OS Base
+
+This is the OS for Flip.
+
+`build.sh` Fetches the required modules and builds the OS.
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..3a1fee1
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+if ! [ "$(ls -A buildroot)" ]; then
+    echo "Cloning Buildroot..."
+    git clone https://gitlab.com/buildroot.org/buildroot -b 2026.05.x buildroot
+fi
+
+cd buildroot
+make defconfig BR2_DEFCONFIG=../configs/lira_flip_defconfig
+make
+if [ $? == 0 ]; then
+    echo "Building Image..."
+    cd output/images
+    mkdir ../../../img_tmp
+    cp tiboot3.bin ../../../img_tmp/tiboot3.bin
+    cp tispl.bin ../../../img_tmp/tispl.bin
+    cp u-boot.bin ../../../img_tmp/u-boot.bin
+    cp rootfs.btrfs ../../../img_tmp/rootfs.btrfs
+    cd ../../../img_tmp
+    genimage --rootpath "../buildroot/output/target" --tmppath "genimage.tmp" --inputpath "." --outputpath "../img" --config ../configs/genimage.cfg
+    if ! [ $? == 0 ]; then
+        echo "Failed Building Image."
+    fi;
+    cd ..
+    rm -rf img_tmp
+else
+    echo "Failed Building OS."
+fi
+echo "Done"
diff --git a/configs/genimage.cfg b/configs/genimage.cfg
new file mode 100644
index 0000000..ece64df
--- /dev/null
+++ b/configs/genimage.cfg
@@ -0,0 +1,28 @@
+image boot.vfat {
+    vfat {
+        files = {
+            "tiboot3.bin",
+            "tispl.bin",
+            "u-boot.bin"
+        }
+    }
+    size = 64M
+}
+
+image flip_os.img {
+    hdimage {
+        partition-table-type = "mbr"
+    }
+
+    partition boot {
+        partition-type = 0x0C
+        bootable = "true"
+        image = "boot.vfat"
+        offset = 1M
+    }
+
+    partition rootfs {
+        partition-type = 0x83
+        image = "rootfs.btrfs"
+    }
+}
diff --git a/configs/lira_flip_defconfig b/configs/lira_flip_defconfig
new file mode 100644
index 0000000..7a20905
--- /dev/null
+++ b/configs/lira_flip_defconfig
@@ -0,0 +1,31 @@
+BR2_aarch64=y
+BR2_TARGET_GENERIC_HOSTNAME="Lira Flip"
+BR2_TARGET_GENERIC_ISSUE="Lira OS"
+BR2_ROOTFS_MERGED_USR=y
+BR2_ROOTFS_MERGED_BIN=y
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
+BR2_TARGET_ROOTFS_BTRFS=y
+BR2_TARGET_ROOTFS_BTRFS_LABEL="lira_root"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_LTS_2_12_VERSION=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="k3"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_TARGET_BOARD="lite"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31_UBOOT=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES="K3_PM_SYSTEM_SUSPEND=1"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_NEEDS_DTC=y
+BR2_TARGET_TI_K3_R5_LOADER=y
+BR2_TARGET_TI_K3_R5_LOADER_BOARD_DEFCONFIG="arm62x_evm_r5"
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2026.07"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="am62x_evm_a53"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_TARGET_UBOOT_NEEDS_GNUTLS=y
+BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
+BR2_TARGET_UBOOT_USE_BINMAN=y
+BR2_TARGET_UBOOT_SPL=y
+BR2_TARGET_UBOOT_SPL_NAME="tispl.bin"
+BR2_PACKAGE_HOST_LIBP11=y