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>

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

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+#!/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

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+console=ttyS0,115200

board/terasic/de10nano_cyclone5/genimage.cfg

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+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

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+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)