[Buildroot] [PATCH v4 2/3] configs/lichee_rv: new defconfig

[Angelo Compagnucci <angelo@amarulasolutions.com>]

Lichee RV - Nezha CM is a compute module with modular design, equipped
with Allwinner D1 chip (based on T-Head XuanTie C906 core), 512MB DDR3
RAM.
Board support is based on the nezha defconfig already available in
buildroot.

https://wiki.sipeed.com/hardware/en/lichee/RV/RV.html
https://linux-sunxi.org/Sipeed_Lichee_RV

Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
---
v4:
* bump to latest kernel/uboot/opensbi as for the nezha defconfig

 board/sipeed/lichee_rv/genimage.cfg           | 19 +++++++++++
 .../overlay/boot/extlinux/extlinux.conf       |  4 +++
 board/sipeed/lichee_rv/readme.txt             | 26 +++++++++++++++
 configs/sipeed_lichee_rv_defconfig            | 33 +++++++++++++++++++
 4 files changed, 82 insertions(+)
 create mode 100644 board/sipeed/lichee_rv/genimage.cfg
 create mode 100644 board/sipeed/lichee_rv/overlay/boot/extlinux/extlinux.conf
 create mode 100644 board/sipeed/lichee_rv/readme.txt
 create mode 100644 configs/sipeed_lichee_rv_defconfig

diff --git a/board/sipeed/lichee_rv/genimage.cfg b/board/sipeed/lichee_rv/genimage.cfg
new file mode 100644
index 0000000000..d5df41203d
--- /dev/null
+++ b/board/sipeed/lichee_rv/genimage.cfg
@@ -0,0 +1,19 @@
+# Minimal SD card image for the sipeed Lichee RV
+
+image sdcard.img {
+	hdimage {
+	}
+
+	partition u-boot {
+		in-partition-table = false
+		image = "u-boot-sunxi-with-spl.bin"
+		offset = 8K
+	}
+
+	partition rootfs {
+		partition-type = 0x83
+		image = "rootfs.ext4"
+		bootable = "true"
+		offset = 1M
+	}
+}
diff --git a/board/sipeed/lichee_rv/overlay/boot/extlinux/extlinux.conf b/board/sipeed/lichee_rv/overlay/boot/extlinux/extlinux.conf
new file mode 100644
index 0000000000..91b2298628
--- /dev/null
+++ b/board/sipeed/lichee_rv/overlay/boot/extlinux/extlinux.conf
@@ -0,0 +1,4 @@
+label linux
+  kernel /boot/Image
+  # use devicetree from u-boot
+  append console=ttyS0,115200 root=/dev/mmcblk0p1 ro rootwait
diff --git a/board/sipeed/lichee_rv/readme.txt b/board/sipeed/lichee_rv/readme.txt
new file mode 100644
index 0000000000..008be3a3bc
--- /dev/null
+++ b/board/sipeed/lichee_rv/readme.txt
@@ -0,0 +1,26 @@
+Lichee RV
+===============
+
+Lichee RV - Nezha CM is a compute module with modular design, equipped
+with Allwinner D1 chip (based on T-Head XuanTie C906 core), 512MB DDR3 RAM.
+It can boot from TF card or SD-NAND, uses two sets of M.2 b key 67 pin
+connectors to route all IO, making it convient for wide use and easy to replace.
+
+How to build
+============
+
+$ make lichee_rv_defconfig
+$ make
+
+How to write the SD card
+========================
+
+Once the build process is finished you will have an image called "sdcard.img"
+in the output/images/ directory.
+
+Copy the bootable "sdcard.img" onto an SD card with "dd":
+
+  $ sudo dd if=output/images/sdcard.img of=/dev/sdX
+
+Connect a TTL UART to the debug connector, insert the microSD card and
+plug in a USB-C cable to the PWR connector to boot the system.
diff --git a/configs/sipeed_lichee_rv_defconfig b/configs/sipeed_lichee_rv_defconfig
new file mode 100644
index 0000000000..f9782f870b
--- /dev/null
+++ b/configs/sipeed_lichee_rv_defconfig
@@ -0,0 +1,33 @@
+BR2_riscv=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_0=y
+BR2_ROOTFS_OVERLAY="board/sipeed/lichee_rv/overlay"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/sipeed/lichee_rv/genimage.cfg"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,smaeul,linux,ca67838d84af4c9f85d06311c9e98e1adf46308f)/linux-ca67838d84af4c9f85d06311c9e98e1adf46308f.tar.gz"
+BR2_LINUX_KERNEL_DEFCONFIG="nezha"
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="allwinner/sun20i-d1-lichee-rv"
+BR2_LINUX_KERNEL_INSTALL_TARGET=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+# BR2_TARGET_ROOTFS_TAR is not set
+BR2_TARGET_OPENSBI=y
+BR2_TARGET_OPENSBI_CUSTOM_VERSION=y
+BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE="1.1"
+BR2_TARGET_OPENSBI_PLAT="generic"
+# BR2_TARGET_OPENSBI_INSTALL_JUMP_IMG is not set
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call github,smaeul,u-boot,528ae9bc6c55edd3ffe642734b4132a8246ea777)/uboot-528ae9bc6c55edd3ffe642734b4132a8246ea777.tar.gz"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="lichee_rv_dock"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_TARGET_UBOOT_NEEDS_OPENSBI=y
+# BR2_TARGET_UBOOT_FORMAT_BIN is not set
+BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
+BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot-sunxi-with-spl.bin"
+BR2_PACKAGE_HOST_GENIMAGE=y
-- 
2.34.1

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