[Buildroot] [PATCH v3 3/7] configs/beaglev_defconfig: new defconfig

[Alistair Francis <alistair23@gmail.com>]

On Wed, May 5, 2021 at 6:52 AM Thomas Petazzoni
<thomas.petazzoni@bootlin.com> wrote:
>
> This commit introduces support for the RISC-V based BeagleV platform,
> which uses a Starfive JH7100.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
>  DEVELOPERS                                    |  2 +
>  board/beaglev/extlinux.conf                   |  4 +
>  board/beaglev/genimage.cfg                    | 12 +++
>  ...s-starfive-vic7100-adjust-fdt_addr_r.patch | 39 ++++++++
>  board/beaglev/post-build.sh                   | 17 ++++
>  board/beaglev/readme.txt                      | 88 +++++++++++++++++++
>  configs/beaglev_defconfig                     | 35 ++++++++
>  7 files changed, 197 insertions(+)
>  create mode 100644 board/beaglev/extlinux.conf
>  create mode 100644 board/beaglev/genimage.cfg
>  create mode 100644 board/beaglev/patches/uboot/0001-include-configs-starfive-vic7100-adjust-fdt_addr_r.patch
>  create mode 100755 board/beaglev/post-build.sh
>  create mode 100644 board/beaglev/readme.txt
>  create mode 100644 configs/beaglev_defconfig
>
> diff --git a/DEVELOPERS b/DEVELOPERS
> index 573d8d84de..cec63a3715 100644
> --- a/DEVELOPERS
> +++ b/DEVELOPERS
> @@ -2602,10 +2602,12 @@ F:      package/xorcurses/
>
>  N:     Thomas Petazzoni <thomas.petazzoni@bootlin.com>
>  F:     arch/Config.in.arm
> +F:     board/beaglev/
>  F:     board/stmicroelectronics/stm32mp157c-dk2/
>  F:     boot/boot-wrapper-aarch64/
>  F:     boot/grub2/
>  F:     boot/gummiboot/
> +F:     configs/beaglev_defconfig
>  F:     configs/stm32mp157c_dk2_defconfig
>  F:     package/android-tools/
>  F:     package/b43-firmware/
> diff --git a/board/beaglev/extlinux.conf b/board/beaglev/extlinux.conf
> new file mode 100644
> index 0000000000..c5444d094c
> --- /dev/null
> +++ b/board/beaglev/extlinux.conf
> @@ -0,0 +1,4 @@
> +label linux
> +  kernel /boot/Image
> +  devicetree /boot/starfive_vic7100_beagle_v.dtb
> +  append console=ttyS0,115200 earlyprintk root=PARTUUID=0fef845a-c6e1-45bc-82f7-002fa720f958 rootwait
> diff --git a/board/beaglev/genimage.cfg b/board/beaglev/genimage.cfg
> new file mode 100644
> index 0000000000..f38bb7f86c
> --- /dev/null
> +++ b/board/beaglev/genimage.cfg
> @@ -0,0 +1,12 @@
> +image sdcard.img {
> +  hdimage {
> +    gpt = true
> +  }
> +
> +  partition rootfs {
> +    partition-type-uuid = 72ec70a6-cf74-40e6-bd49-4bda08e8f224
> +    partition-uuid = 0fef845a-c6e1-45bc-82f7-002fa720f958
> +    bootable = "true"
> +    image = "rootfs.ext4"
> +  }
> +}
> diff --git a/board/beaglev/patches/uboot/0001-include-configs-starfive-vic7100-adjust-fdt_addr_r.patch b/board/beaglev/patches/uboot/0001-include-configs-starfive-vic7100-adjust-fdt_addr_r.patch
> new file mode 100644
> index 0000000000..74d70f2721
> --- /dev/null
> +++ b/board/beaglev/patches/uboot/0001-include-configs-starfive-vic7100-adjust-fdt_addr_r.patch
> @@ -0,0 +1,39 @@
> +From 2c4c813940c577590f3352cef0c49a8def17905d Mon Sep 17 00:00:00 2001
> +From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> +Date: Wed, 28 Apr 2021 22:58:45 +0200
> +Subject: [PATCH] include/configs/starfive-vic7100: adjust fdt_addr_r
> +
> +The default fdt_addr_r of 0x88000000 doesn't work, the kernel never
> +boots. Using 0x90000000 works fine.
> +
> +Since it would overlap with the kernel_comp_addr_r area, this one is
> +moved 16 MB further, at 0x91000000.
> +
> +Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> +---
> + include/configs/starfive-vic7100.h | 4 ++--
> + 1 file changed, 2 insertions(+), 2 deletions(-)
> +
> +diff --git a/include/configs/starfive-vic7100.h b/include/configs/starfive-vic7100.h
> +index 8c5915a73c..7150a23873 100644
> +--- a/include/configs/starfive-vic7100.h
> ++++ b/include/configs/starfive-vic7100.h
> +@@ -111,13 +111,13 @@
> +       "fdt_high=0xffffffffffffffff\0" \
> +       "initrd_high=0xffffffffffffffff\0" \
> +       "kernel_addr_r=0x84000000\0" \
> +-      "fdt_addr_r=0x88000000\0" \
> ++      "fdt_addr_r=0x90000000\0" \
> +       "scriptaddr=0x88100000\0" \
> +       "script_offset_f=0x1fff000\0" \
> +       "script_size_f=0x1000\0" \
> +       "pxefile_addr_r=0x88200000\0" \
> +       "ramdisk_addr_r=0x88300000\0" \
> +-      "kernel_comp_addr_r=0x90000000\0" \
> ++      "kernel_comp_addr_r=0x91000000\0" \
> +       "kernel_comp_size=0x10000000\0" \
> +       "type_guid_gpt_loader1=" TYPE_GUID_LOADER1 "\0" \
> +       "type_guid_gpt_loader2=" TYPE_GUID_LOADER2 "\0" \
> +--
> +2.30.2
> +
> diff --git a/board/beaglev/post-build.sh b/board/beaglev/post-build.sh
> new file mode 100755
> index 0000000000..e303d4b8d9
> --- /dev/null
> +++ b/board/beaglev/post-build.sh
> @@ -0,0 +1,17 @@
> +#!/bin/sh
> +BOARD_DIR=$(dirname $0)
> +
> +# The DTB to use is provided within the U-Boot source tree, so we grab
> +# it from there, and install it to TARGET_DIR/boot/.
> +UBOOT_DIR=$(make -C ${CONFIG_DIR} --no-print-directory VARS=UBOOT_DIR printvars | cut -f2 -d'=')
> +install -D -m0644 ${UBOOT_DIR}/arch/riscv/dts/starfive_vic7100_beagle_v.dtb \
> +       ${TARGET_DIR}/boot/starfive_vic7100_beagle_v.dtb
> +
> +# Bring the extlinux.conf file in.
> +install -D -m 0644 ${BOARD_DIR}/extlinux.conf \
> +       ${TARGET_DIR}/boot/extlinux/extlinux.conf
> +
> +# To be reflashed through Xmodem, the bootloader needs to be prepended
> +# with a 4-byte header that contains the total size of the file.
> +perl -e 'print pack("l", (stat @ARGV[0])[7])' ${BINARIES_DIR}/fw_payload.bin > ${BINARIES_DIR}/fw_payload.bin.out
> +cat ${BINARIES_DIR}/fw_payload.bin >> ${BINARIES_DIR}/fw_payload.bin.out
> diff --git a/board/beaglev/readme.txt b/board/beaglev/readme.txt
> new file mode 100644
> index 0000000000..d8511d3fd1
> --- /dev/null
> +++ b/board/beaglev/readme.txt
> @@ -0,0 +1,88 @@
> +BeagleV
> +=======
> +
> +BeagleV is a low-cost RISC-V 64-bit based platform, powered by a
> +Starfive JH7100 processor. The current defconfig in Buildroot has been
> +tested with the JH7100 chip used on the beta version of the BeagleV
> +board.
> +
> +How to build
> +============
> +
> +$ make beaglev_defconfig
> +$ make
> +
> +Build results
> +=============
> +
> +After building, output/images contains:
> +
> ++ Image
> ++ fw_payload.bin
> ++ fw_payload.bin.out
> ++ fw_payload.elf
> ++ rootfs.ext2
> ++ rootfs.ext4
> ++ sdcard.img
> ++ u-boot.bin
> +
> +The two important files are:
> +
> + - fw_payload.bin.out, which is the bootloader image, containing
> +   both OpenSBI and U-Boot.
> +
> + - sdcard.img, the SD card image, which contains the root filesystem,
> +   kernel image and Device Tree.
> +
> +Flashing the SD card image
> +==========================
> +
> +$ sudo dd if=output/images/sdcard.img of=/dev/sdX
> +
> +Preparing the board
> +===================
> +
> +Connect the Beagle-V fan to the 5V supply (pin 2 or 4 of the GPIO
> +connector) and GND (pin 6 of the GPIO connector).
> +
> +Connect a TTL UART cable to pin 8 (TX), 10 (RX) and 14 (GND).
> +
> +Insert your SD card.
> +
> +Power-up the board using an USB-C cable.
> +
> +Flashing the bootloader
> +=======================
> +
> +The bootloader pre-flashed on the Beagle-V has a non-working
> +fdt_addr_r environment variable value, so it won't work
> +as-is. Reflashing the bootloader with the bootloader image produced by
> +Buildroot is necessary.
> +
> +When the board starts up, a pre-loader shows a count down of 2
> +seconds, interrupt by pressing any key. You should reach a menu like
> +this:
> +
> +--------8<----------
> +
> +bootloader version:210209-4547a8d
> +ddr 0x00000000, 1M test
> +ddr 0x00100000, 2M test
> +DDR clk 2133M,Version: 210302-5aea32f
> +0
> +***************************************************
> +*************** FLASH PROGRAMMING *****************
> +***************************************************
> +
> +0:update uboot
> +1:quit
> +select the function:
> +
> +--------8<----------
> +
> +Press 0 and Enter. You will now see "C" characters being
> +displayed. Ask your serial port communication program to send
> +fw_payload.bin.out using the Xmodem protocol.
> +
> +After reflashing is complete, restart the board, it will automatically
> +start the system from the SD card, and reach the login prompt.
> diff --git a/configs/beaglev_defconfig b/configs/beaglev_defconfig
> new file mode 100644
> index 0000000000..e94c4ab639
> --- /dev/null
> +++ b/configs/beaglev_defconfig
> @@ -0,0 +1,35 @@
> +BR2_riscv=y
> +BR2_riscv_custom=y
> +BR2_RISCV_ISA_CUSTOM_RVM=y
> +BR2_RISCV_ISA_CUSTOM_RVF=y
> +BR2_RISCV_ISA_CUSTOM_RVD=y
> +BR2_RISCV_ISA_CUSTOM_RVC=y
> +BR2_GLOBAL_PATCH_DIR="board/beaglev/patches/"
> +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
> +BR2_ROOTFS_POST_BUILD_SCRIPT="board/beaglev/post-build.sh"
> +BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
> +BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/beaglev/genimage.cfg"
> +BR2_LINUX_KERNEL=y
> +BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
> +# HEAD of the Fedora branch
> +BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,starfive-tech,linux,710cf052d6abda73584481d920b4b6befc7240ea)/linux-710cf052d6abda73584481d920b4b6befc7240ea.tar.gz"
> +BR2_LINUX_KERNEL_DEFCONFIG="starfive_vic7100_evb_sd_net"
> +BR2_LINUX_KERNEL_INSTALL_TARGET=y
> +BR2_TARGET_ROOTFS_EXT2=y
> +BR2_TARGET_ROOTFS_EXT2_4=y
> +# BR2_TARGET_ROOTFS_TAR is not set
> +BR2_TARGET_OPENSBI=y
> +BR2_TARGET_OPENSBI_CUSTOM_TARBALL=y
> +# HEAD of the Fedora branch
> +BR2_TARGET_OPENSBI_CUSTOM_TARBALL_LOCATION="$(call github,starfive-tech,opensbi,2524b0ecd8684b42bc7a4c69794f40f11cbbe2a5)/opensbi-2524b0ecd8684b42bc7a4c69794f40f11cbbe2a5.tar.gz"
> +BR2_TARGET_OPENSBI_PLAT="starfive/vic7100"
> +# BR2_TARGET_OPENSBI_INSTALL_DYNAMIC_IMG is not set
> +# BR2_TARGET_OPENSBI_INSTALL_JUMP_IMG is not set
> +BR2_TARGET_OPENSBI_UBOOT_PAYLOAD=y
> +BR2_TARGET_UBOOT=y
> +BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
> +BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
> +# HEAD of the Fedora branch
> +BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call github,starfive-tech,u-boot,3f3ac01a29ad1cd5fa519d86f81daead2447f1d4)/uboot-3f3ac01a29ad1cd5fa519d86f81daead2447f1d4.tar.gz"
> +BR2_TARGET_UBOOT_BOARD_DEFCONFIG="starfive_vic7100_beagle_v_smode"
> +BR2_PACKAGE_HOST_GENIMAGE=y
> --
> 2.30.2
>
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