From patchwork Mon Oct 6 11:50:08 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moteen Shah X-Patchwork-Id: 71689 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58C93CCA471 for ; Mon, 6 Oct 2025 11:50:38 +0000 (UTC) Received: from lelvem-ot01.ext.ti.com (lelvem-ot01.ext.ti.com [198.47.23.234]) by mx.groups.io with SMTP id smtpd.web10.31930.1759751424346372864 for ; Mon, 06 Oct 2025 04:50:24 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=cfKANV0x; spf=pass (domain: ti.com, ip: 198.47.23.234, mailfrom: m-shah@ti.com) Received: from fllvem-sh03.itg.ti.com ([10.64.41.86]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTP id 596BoN1X3600718; Mon, 6 Oct 2025 06:50:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1759751423; bh=G8nittR5UgK1zGWboCYghtbYj1e0HJR+TcJ8LT9jNl0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=cfKANV0xPz4VFCsTm8yh/JAuAo56HpT7X7mC/jeMvx+e8n2gBGkHLvY7PkQ8kv5/x Jl1NsmV8qkV+EDeTjJbumWEvAgBX6JIrGHE47XeLCr9SLbHN3Q3CPjInuwWQddSQ9l krjOtm+Pt+e2hkyIBXx9AHwyybkRAWCXoz2fL+XQ= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllvem-sh03.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 596BoNBX3280475 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Mon, 6 Oct 2025 06:50:23 -0500 Received: from DFLE210.ent.ti.com (10.64.6.68) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Mon, 6 Oct 2025 06:50:22 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE210.ent.ti.com (10.64.6.68) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Mon, 6 Oct 2025 06:50:23 -0500 Received: from moteen-ubuntu-desk.dhcp.ti.com (moteen-ubuntu-desk.dhcp.ti.com [10.24.72.162]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 596BoAwP3371433; Mon, 6 Oct 2025 06:50:19 -0500 From: Moteen Shah To: CC: , , , , , , , , , , , Subject: [master][PATCH v4 2/4] recipes-ti: initramfs: Make minimal initramfs image Date: Mon, 6 Oct 2025 17:20:08 +0530 Message-ID: <20251006115010.1530509-3-m-shah@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251006115010.1530509-1-m-shah@ti.com> References: <20251006115010.1530509-1-m-shah@ti.com> MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 06 Oct 2025 11:50:38 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-ti/message/19107 Introduce a new minimal initramfs image which will be used for all K3 devices in the boot flow. The image will package boot essential and other modules which will be modprobed by initramfs-udev once the inbuilt drivers gets probed. Signed-off-by: Moteen Shah --- .../packagegroup-ti-core-initramfs.bb | 15 +++++++++ .../recipes-ti/initramfs/ti-core-initramfs.bb | 33 +++++++++++++++++++ 2 files changed, 48 insertions(+) create mode 100644 meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb create mode 100644 meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb diff --git a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb new file mode 100644 index 00000000..e9cf5e6b --- /dev/null +++ b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb @@ -0,0 +1,15 @@ +SUMMARY = "Minimal initramfs for boot requirements" + +require recipes-core/packagegroups/packagegroup-core-boot.bb + +RDEPENDS:${PN} += "\ + ${TI_INITRAMFS_KERNEL_MODULES} \ + initramfs-framework-base \ + initramfs-module-udev \ + initramfs-module-nfsrootfs \ + cifs-utils \ + nfs-utils \ + nfs-utils-client \ +" + +RDEPENDS:${PN}:remove = "grub-efi kernel" diff --git a/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb new file mode 100644 index 00000000..236aa756 --- /dev/null +++ b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb @@ -0,0 +1,33 @@ +SUMMARY = "TI SDK minimal initramfs image" + +DESCRIPTION = "Image meant to probe boot essential modules\ + and other modules to reach the userspace, which cannot be\ + built inside the upstream linux kernel image.\ +" + +LICENSE = "MIT" + +inherit core-image + +IMAGE_NAME = "ti-core-initramfs" + +IMAGE_NAME_SUFFIX = "" + +IMAGE_FEATURES:remove = "package-management" + +INITRAMFS_FSTYPES = "cpio cpio.xz" + +IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}" + +PACKAGE_INSTALL = "packagegroup-ti-core-initramfs" + +export IMAGE_BASENAME = "${IMAGE_NAME}" + +# To further reduce the size of the rootfs, remove the /boot directory from +# the final image this is usually done by adding RDEPENDS_kernel-base = "" +# in the configuration file. In our case we can't use this method. Instead we +# just wipe out the content of "/boot" before creating the image. +ROOTFS_POSTPROCESS_COMMAND += "empty_boot_dir; " +empty_boot_dir () { + rm -rf ${IMAGE_ROOTFS}/boot/* +}