From patchwork Tue Sep 30 13:41:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Moteen Shah X-Patchwork-Id: 71310 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 12860CCA468 for ; Tue, 30 Sep 2025 13:41:51 +0000 (UTC) Received: from fllvem-ot03.ext.ti.com (fllvem-ot03.ext.ti.com [198.47.19.245]) by mx.groups.io with SMTP id smtpd.web10.25675.1759239706228050111 for ; Tue, 30 Sep 2025 06:41:46 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=xu0dYhlC; spf=pass (domain: ti.com, ip: 198.47.19.245, mailfrom: m-shah@ti.com) Received: from lelvem-sh02.itg.ti.com ([10.180.78.226]) by fllvem-ot03.ext.ti.com (8.15.2/8.15.2) with ESMTP id 58UDfiDe2427389; Tue, 30 Sep 2025 08:41:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1759239704; bh=G8nittR5UgK1zGWboCYghtbYj1e0HJR+TcJ8LT9jNl0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=xu0dYhlCpd+Y8xcVFu2X7Ak3fDdeWPJ5z1gkTMeYwZvxW6uS+lOSGIw3qWCCIM6d4 F1mB2UhRWkTZwO6f+5LkZv2T2UYwilEOXKhGewUrozSwidNwIFL+TmalqCSLUYwA8x Kt2mNw6nV/KQUuFrSsbJitQuVJ3UkFfH9rB+87/E= Received: from DLEE111.ent.ti.com (dlee111.ent.ti.com [157.170.170.22]) by lelvem-sh02.itg.ti.com (8.18.1/8.18.1) with ESMTPS id 58UDfiCp2723535 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA256 bits=128 verify=FAIL); Tue, 30 Sep 2025 08:41:44 -0500 Received: from DLEE208.ent.ti.com (157.170.170.97) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.55; Tue, 30 Sep 2025 08:41:44 -0500 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DLEE208.ent.ti.com (157.170.170.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Tue, 30 Sep 2025 08:41:44 -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 58UDfWMA2988223; Tue, 30 Sep 2025 08:41:40 -0500 From: Moteen Shah To: CC: , , , , , , , , , , , Subject: [master][PATCH 2/4 v3] recipes-ti: initramfs: Make minimal initramfs image Date: Tue, 30 Sep 2025 19:11:29 +0530 Message-ID: <20250930134131.1149453-3-m-shah@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250930134131.1149453-1-m-shah@ti.com> References: <20250930134131.1149453-1-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 ; Tue, 30 Sep 2025 13:41:51 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-ti/message/19085 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/* +}