configs/terasic_de10nano_cyclone5: new defconfig

Terasic DE10 Nano is an SoCFPGA cycloneV based board.
References:
- https://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=205&No=1046
- https://rocketboards.org/foswiki/Documentation/DE10NanoDevelopmentBoard

Note: there is no dts in kernel (mainline or intel), but since DE0 Nano Soc is
similar, the corresponding dts is usually used

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1109,6 +1109,8 @@ F:	configs/arm_juno_defconfig
 F:	board/arm/juno/
 
 N:	Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
+F:	board/terasic/de10nano_cyclone5/
+F:	configs/terasic_de10nano_cyclone5_defconfig
 F:	package/gnuradio/
 F:	package/gqrx/
 F:	package/gr-osmosdr/

board/terasic/de10nano_cyclone5/barebox-env/boot/mmc

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+global.bootm.oftree="/boot/socfpga_cyclone5_de0_nano_soc.dtb"
+global.bootm.image="/boot/zImage"
+
+#bootargs-ip
+
+global.linux.bootargs.dyn.root="root=/dev/mmcblk0p3 rw rootwait"

board/terasic/de10nano_cyclone5/barebox-env/init/automount

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# SD card slot, first partition
+mkdir -p /mnt/mmcblk0p2
+automount -d /mnt/mmcblk0p2 'mount /dev/mmc0.1 /mnt/mmcblk0p2'

board/terasic/de10nano_cyclone5/barebox-env/nv/boot.default

@@ -0,0 +1 @@
+mmc

board/terasic/de10nano_cyclone5/barebox-env/nv/linux.bootargs.console

@@ -0,0 +1 @@
+console=ttyS0,115200

board/terasic/de10nano_cyclone5/genimage.cfg

@@ -0,0 +1,42 @@
+image boot.vfat {
+	vfat {
+		file zImage {
+			image = "zImage"
+		}
+
+		file socfpga_cyclone5_de0_nano_soc.dtb {
+			image = "socfpga_cyclone5_de0_nano_soc.dtb"
+		}
+
+		file barebox.bin {
+			image = "barebox-socfpga-de10_nano.img"
+		}
+
+		file barebox.env {
+			image = "barebox-env"
+		}
+	}
+	size = 8M
+}
+
+image sdcard.img {
+	hdimage {
+	}
+
+	partition spl {
+		partition-type = 0xa2
+		image = "barebox-socfpga-de10_nano-xload.img"
+		size = 1M
+	}
+
+	partition boot {
+		partition-type = 0xc
+		bootable = "true"
+		image = "boot.vfat"
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext2"
+	}
+}

board/terasic/de10nano_cyclone5/readme.txt

@@ -0,0 +1,41 @@
+Terasic DE10 Nano Development Board
+
+Intro
+=====
+
+More information about this board can be found here:
+https://rocketboards.org/foswiki/Documentation/DE10NanoDevelopmentBoard
+
+Build
+=====
+
+First, load socrates config for buildroot
+
+    make terasic_de10nano_cyclone5_defconfig
+
+Build everything
+
+    make
+
+Following files will be generated in output/images
+
+.
+├── barebox-env
+├── barebox-socfpga-de10_nano.img
+├── barebox-socfpga-de10_nano-xload.img
+├── boot.vfat
+├── rootfs.ext2
+├── rootfs.ext4 -> rootfs.ext2
+├── rootfs.tar
+├── sdcard.img
+├── socfpga_cyclone5_de0_nano_soc.dtb
+└── zImage
+
+Creating bootable SD card
+=========================
+
+Simply invoke
+
+dd if=output/images/sdcard.img of=/dev/sdX
+
+Where X is your SD card device (not partition)

configs/terasic_de10nano_cyclone5_defconfig

@@ -0,0 +1,31 @@
+BR2_arm=y
+BR2_cortex_a9=y
+BR2_ARM_ENABLE_NEON=y
+BR2_ARM_ENABLE_VFP=y
+BR2_ARM_FPU_NEON=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_11=y
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/terasic/de10nano_cyclone5/genimage.cfg"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_GIT=y
+BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/altera-opensource/linux-socfpga.git"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="rel_socfpga-5.11_21.06.01_pr"
+BR2_LINUX_KERNEL_DEFCONFIG="socfpga"
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="socfpga_cyclone5_de0_nano_soc"
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
+BR2_TARGET_BAREBOX=y
+BR2_TARGET_BAREBOX_CUSTOM_VERSION=y
+BR2_TARGET_BAREBOX_CUSTOM_VERSION_VALUE="2021.07.0"
+BR2_TARGET_BAREBOX_BOARD_DEFCONFIG="socfpga"
+BR2_TARGET_BAREBOX_IMAGE_FILE="images/barebox-socfpga-de10_nano.img"
+BR2_TARGET_BAREBOX_CUSTOM_ENV=y
+BR2_TARGET_BAREBOX_CUSTOM_ENV_PATH="board/terasic/de10nano_cyclone5/barebox-env"
+BR2_TARGET_BAREBOX_AUX=y
+BR2_TARGET_BAREBOX_AUX_BOARD_DEFCONFIG="socfpga-xload-2"
+BR2_TARGET_BAREBOX_AUX_IMAGE_FILE="images/barebox-socfpga-de10_nano-xload.img"
+BR2_PACKAGE_HOST_DOSFSTOOLS=y
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_MTOOLS=y