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* [Buildroot] [PATCH] config: add socfpga_agilex5_defconfig
@ 2026-10-14 14:04 Dinh Nguyen via buildroot
  0 siblings, 0 replies; only message in thread
From: Dinh Nguyen via buildroot @ 2026-10-14 14:04 UTC (permalink / raw)
  To: buildroot; +Cc: dinguyen

Build Linux, U-Boot, and TF-A for the Agilex 5 SoC Development Kit
from the QPDS 26.1.1 GSRD sources.

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
 board/altera/agilex5/genimage.cfg   | 27 ++++++++++++++++
 board/altera/agilex5/linux.fragment |  4 +++
 board/altera/agilex5/readme.txt     | 50 +++++++++++++++++++++++++++++
 board/altera/agilex5/uboot.fragment |  4 +++
 configs/socfpga_agilex5_defconfig   | 49 ++++++++++++++++++++++++++++
 5 files changed, 134 insertions(+)
 create mode 100644 board/altera/agilex5/genimage.cfg
 create mode 100644 board/altera/agilex5/linux.fragment
 create mode 100644 board/altera/agilex5/readme.txt
 create mode 100644 board/altera/agilex5/uboot.fragment
 create mode 100644 configs/socfpga_agilex5_defconfig

diff --git a/board/altera/agilex5/genimage.cfg b/board/altera/agilex5/genimage.cfg
new file mode 100644
index 0000000000..720d646546
--- /dev/null
+++ b/board/altera/agilex5/genimage.cfg
@@ -0,0 +1,27 @@
+image boot.vfat {
+	vfat {
+		files = {
+			"Image",
+			"socfpga_agilex5_socdk.dtb",
+			"u-boot.itb"
+		}
+	}
+
+	size = 64M
+}
+
+image sdcard.img {
+	hdimage {
+	}
+
+	partition boot {
+		partition-type = 0xc
+		bootable = "true"
+		image = "boot.vfat"
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext2"
+	}
+}
diff --git a/board/altera/agilex5/linux.fragment b/board/altera/agilex5/linux.fragment
new file mode 100644
index 0000000000..7c8f9dec31
--- /dev/null
+++ b/board/altera/agilex5/linux.fragment
@@ -0,0 +1,4 @@
+# QSPI access fails when 4K sectors are enabled (ES-14728).
+# CONFIG_MTD_SPI_NOR_USE_4K_SECTORS is not set
+# Marvell PHY on the SoC Development Kit Ethernet ports.
+CONFIG_MARVELL_PHY=y
diff --git a/board/altera/agilex5/readme.txt b/board/altera/agilex5/readme.txt
new file mode 100644
index 0000000000..4460e43477
--- /dev/null
+++ b/board/altera/agilex5/readme.txt
@@ -0,0 +1,50 @@
+Altera SoCFPGA Agilex 5 SoC Development Kit
+
+Intro
+=====
+
+This configuration builds a Linux system for the Agilex 5 SoC Development
+Kit (socfpga_agilex5_socdk) from the QPDS 26.1.1 Golden System Reference
+Design component versions:
+
+  https://github.com/altera-fpga/linux-socfpga          QPDS26.1.1_REL_GSRD_PR
+  https://github.com/altera-fpga/u-boot-socfpga         QPDS26.1.1_REL_GSRD_PR
+  https://github.com/altera-fpga/arm-trusted-firmware   QPDS26.1.1_REL_GSRD_PR
+
+The HPS first-stage bootloader is packaged by Quartus into the FPGA
+configuration file. This defconfig builds the software that the HPS loads
+after that: U-Boot (u-boot.itb, with TF-A BL31), the kernel Image, the
+socfpga_agilex5_socdk device tree, and a root filesystem.
+
+Build
+=====
+
+    make socfpga_agilex5_defconfig
+    make
+
+output/images will contain:
+
+    Image
+    socfpga_agilex5_socdk.dtb
+    u-boot.itb
+    u-boot-spl-dtb.hex
+    bl31.bin
+    rootfs.ext2
+    rootfs.tar.gz
+    sdcard.img
+
+sdcard.img has a FAT boot partition (Image, device tree, u-boot.itb) and
+an ext4 root filesystem on the second partition.
+
+Creating a bootable SD card
+===========================
+
+Copy a fabric configuration file named ghrd.core.rbf onto the FAT
+partition if the design needs the FPGA loaded before Linux starts. U-Boot
+skips that step when the file is absent.
+
+    dd if=output/images/sdcard.img of=/dev/sdX
+
+Program the HPS first-stage bootloader with Quartus, using
+output/images/u-boot-spl-dtb.hex as the HPS handoff file. Boot the HPS
+from the SD card. The serial console is ttyS0 at 115200 8n1.
diff --git a/board/altera/agilex5/uboot.fragment b/board/altera/agilex5/uboot.fragment
new file mode 100644
index 0000000000..1e3327555c
--- /dev/null
+++ b/board/altera/agilex5/uboot.fragment
@@ -0,0 +1,4 @@
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait"
+CONFIG_USE_BOOTCOMMAND=y
+CONFIG_BOOTCOMMAND="if fatload mmc 0:1 ${loadaddr} ghrd.core.rbf; then fpga load 0 ${loadaddr} ${filesize}; bridge enable; fi; mmc rescan; fatload mmc 0:1 82000000 Image; fatload mmc 0:1 86000000 socfpga_agilex5_socdk.dtb; setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait; booti 0x82000000 - 0x86000000"
diff --git a/configs/socfpga_agilex5_defconfig b/configs/socfpga_agilex5_defconfig
new file mode 100644
index 0000000000..25d5beaded
--- /dev/null
+++ b/configs/socfpga_agilex5_defconfig
@@ -0,0 +1,49 @@
+BR2_aarch64=y
+BR2_cortex_a55=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_18=y
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
+BR2_PACKAGE_HOST_GDB=y
+BR2_TARGET_GENERIC_HOSTNAME="agilex5"
+BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
+BR2_SYSTEM_DHCP="eth0"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT_ARGS="-c board/altera/agilex5/genimage.cfg"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_GIT=y
+BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/altera-fpga/linux-socfpga.git"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="QPDS26.1.1_REL_GSRD_PR"
+BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/altera/agilex5/linux.fragment"
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="intel/socfpga_agilex5_socdk"
+BR2_LINUX_KERNEL_INSTALL_TARGET=y
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+BR2_PACKAGE_GDB=y
+BR2_PACKAGE_DROPBEAR=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="512M"
+BR2_TARGET_ROOTFS_TAR_GZIP=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL="https://github.com/altera-fpga/arm-trusted-firmware.git"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION="QPDS26.1.1_REL_GSRD_PR"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="agilex5"
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_CUSTOM_GIT=y
+BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/altera-fpga/u-boot-socfpga.git"
+BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="QPDS26.1.1_REL_GSRD_PR"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="socfpga_agilex5"
+BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/altera/agilex5/uboot.fragment"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
+BR2_TARGET_UBOOT_USE_BINMAN=y
+# BR2_TARGET_UBOOT_FORMAT_BIN is not set
+BR2_TARGET_UBOOT_FORMAT_ITB=y
+BR2_TARGET_UBOOT_SPL=y
+BR2_TARGET_UBOOT_SPL_NAME="spl/u-boot-spl-dtb.hex"
+BR2_PACKAGE_HOST_DOSFSTOOLS=y
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_MTOOLS=y
-- 
2.42.0.411.g813d9a9188

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