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* [Buildroot] [PATCH 1/1] configs/hifive_unmatched: new board
@ 2024-06-15  6:46 Francois Dugast
  2024-06-16  9:10 ` Yann E. MORIN
  0 siblings, 1 reply; 2+ messages in thread
From: Francois Dugast @ 2024-06-15  6:46 UTC (permalink / raw)
  To: buildroot; +Cc: Alistair Francis, Francois Dugast

Add support for the HiFive Unmatched with mainline components:
 - U-Boot 2023.04
 - Linux 6.8

Board homepage:
 - https://www.sifive.com/boards/hifive-unmatched

The configuration for the HiFive Unmatched is based on the existing
configuration for the HiFive Unleashed. The files which can be shared
between the two are moved to a common directory under board/sifive.

Signed-off-by: Francois Dugast <francois.dugast.foss@gmail.com>
---
 .../genimage_sdcard.cfg                       |  0
 .../genimage_spi-nor.cfg                      |  0
 .../linux.config.fragment                     |  0
 .../post-build.sh                             |  0
 board/sifive/hifive-unmatched/boot.cmd        |  4 ++
 board/sifive/hifive-unmatched/readme.txt      | 71 +++++++++++++++++++
 configs/hifive_unleashed_defconfig            |  6 +-
 configs/hifive_unmatched_defconfig            | 58 +++++++++++++++
 8 files changed, 136 insertions(+), 3 deletions(-)
 rename board/sifive/{hifive-unleashed => common}/genimage_sdcard.cfg (100%)
 rename board/sifive/{hifive-unleashed => common}/genimage_spi-nor.cfg (100%)
 rename board/sifive/{hifive-unleashed => common}/linux.config.fragment (100%)
 rename board/sifive/{hifive-unleashed => common}/post-build.sh (100%)
 create mode 100644 board/sifive/hifive-unmatched/boot.cmd
 create mode 100644 board/sifive/hifive-unmatched/readme.txt
 create mode 100644 configs/hifive_unmatched_defconfig

diff --git a/board/sifive/hifive-unleashed/genimage_sdcard.cfg b/board/sifive/common/genimage_sdcard.cfg
similarity index 100%
rename from board/sifive/hifive-unleashed/genimage_sdcard.cfg
rename to board/sifive/common/genimage_sdcard.cfg
diff --git a/board/sifive/hifive-unleashed/genimage_spi-nor.cfg b/board/sifive/common/genimage_spi-nor.cfg
similarity index 100%
rename from board/sifive/hifive-unleashed/genimage_spi-nor.cfg
rename to board/sifive/common/genimage_spi-nor.cfg
diff --git a/board/sifive/hifive-unleashed/linux.config.fragment b/board/sifive/common/linux.config.fragment
similarity index 100%
rename from board/sifive/hifive-unleashed/linux.config.fragment
rename to board/sifive/common/linux.config.fragment
diff --git a/board/sifive/hifive-unleashed/post-build.sh b/board/sifive/common/post-build.sh
similarity index 100%
rename from board/sifive/hifive-unleashed/post-build.sh
rename to board/sifive/common/post-build.sh
diff --git a/board/sifive/hifive-unmatched/boot.cmd b/board/sifive/hifive-unmatched/boot.cmd
new file mode 100644
index 0000000000..3f7b1d9ce3
--- /dev/null
+++ b/board/sifive/hifive-unmatched/boot.cmd
@@ -0,0 +1,4 @@
+setenv bootargs earlycon=sbi root=/dev/mmcblk0p3 rootwait
+load mmc 0:3 ${kernel_addr_r} boot/Image
+load mmc 0:3 ${fdt_addr_r} boot/hifive-unmatched-a00.dtb
+booti ${kernel_addr_r} - ${fdt_addr_r}
diff --git a/board/sifive/hifive-unmatched/readme.txt b/board/sifive/hifive-unmatched/readme.txt
new file mode 100644
index 0000000000..d77847dc3c
--- /dev/null
+++ b/board/sifive/hifive-unmatched/readme.txt
@@ -0,0 +1,71 @@
+SiFive HiFive Unmatched
+=======================
+
+This file describes how to use the pre-defined Buildroot
+configuration for the SiFive HiFive Unmatched board.
+
+Further information about the HiFive Unmatched board can be found
+at https://www.sifive.com/boards/hifive-unmatched.
+
+Building
+========
+
+Configure Buildroot using the default board configuration:
+
+  $ make hifive_unmatched_defconfig
+
+Customise the build as necessary:
+
+  $ make menuconfig
+
+Start the build:
+
+  $ make
+
+Result of the build
+===================
+
+Once the build has finished you will have the following files:
+
+    output/images/
+    +-- boot.scr
+    +-- fw_dynamic.bin
+    +-- fw_dynamic.elf
+    +-- fw_jump.bin
+    +-- fw_jump.elf
+    +-- hifive-unmatched-a00.dtb
+    +-- Image
+    +-- rootfs.cpio
+    +-- rootfs.ext2
+    +-- rootfs.ext4
+    +-- rootfs.tar
+    +-- sdcard.img
+    +-- u-boot.bin
+    +-- u-boot.itb
+    +-- u-boot-spl.bin
+
+
+Creating a bootable SD card with genimage
+=========================================
+
+By default Buildroot builds a SD card image for you. All you need to do
+is dd the image to your SD card, which can be done with the following
+command on your development host:
+
+  $ sudo dd if=output/images/sdcard.img of=/dev/sdb bs=4096
+
+The above example command assumes the SD card is accessed via a USB card
+reader and shows up as /dev/sdb on the host. Adjust it accordingly per
+your actual setup.
+
+Booting the SD card on the board
+================================
+
+Make sure that the all DIP switches are set to the off position for
+default boot mode (MSEL mode = 1011), insert the SD card and power
+up the board.
+
+Connect the USB cable and open minicom (/dev/ttyUSB1, 115200, 8N1).
+
+See the 'SiFive HiFive Unmatched Getting Started Guide' for
+more details (https://www.sifive.com/documentation).
diff --git a/configs/hifive_unleashed_defconfig b/configs/hifive_unleashed_defconfig
index 1aa06f59e7..dabd1aefd4 100644
--- a/configs/hifive_unleashed_defconfig
+++ b/configs/hifive_unleashed_defconfig
@@ -13,9 +13,9 @@ BR2_RISCV_ABI_LP64D=y
 BR2_SYSTEM_DHCP="eth0"
 BR2_TARGET_GENERIC_GETTY=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttySIF0"
-BR2_ROOTFS_POST_BUILD_SCRIPT="board/sifive/hifive-unleashed/post-build.sh"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/sifive/common/post-build.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
-BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/sifive/hifive-unleashed/genimage_sdcard.cfg"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/sifive/common/genimage_sdcard.cfg"
 
 # Filesystem
 BR2_TARGET_ROOTFS_CPIO=y
@@ -30,7 +30,7 @@ BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.10.190"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
-BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/sifive/hifive-unleashed/linux.config.fragment"
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/sifive/common/linux.config.fragment"
 BR2_LINUX_KERNEL_IMAGE=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="sifive/hifive-unleashed-a00"
diff --git a/configs/hifive_unmatched_defconfig b/configs/hifive_unmatched_defconfig
new file mode 100644
index 0000000000..ddda96e35d
--- /dev/null
+++ b/configs/hifive_unmatched_defconfig
@@ -0,0 +1,58 @@
+# Architecture
+BR2_riscv=y
+BR2_riscv_custom=y
+BR2_RISCV_ISA_RVM=y
+BR2_RISCV_ISA_RVA=y
+BR2_RISCV_ISA_RVF=y
+BR2_RISCV_ISA_RVD=y
+BR2_RISCV_ISA_RVC=y
+BR2_RISCV_64=y
+BR2_RISCV_ABI_LP64D=y
+
+# System
+BR2_SYSTEM_DHCP="eth0"
+BR2_TARGET_GENERIC_GETTY=y
+BR2_TARGET_GENERIC_GETTY_PORT="ttySIF0"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/sifive/common/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/sifive/common/genimage_sdcard.cfg"
+
+# Filesystem
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.8"
+BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
+BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/sifive/common/linux.config.fragment"
+BR2_LINUX_KERNEL_IMAGE=y
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="sifive/hifive-unmatched-a00"
+BR2_LINUX_KERNEL_INSTALL_TARGET=y
+
+# Bootloader
+BR2_TARGET_OPENSBI=y
+BR2_TARGET_OPENSBI_CUSTOM_VERSION=y
+BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE="1.2"
+BR2_TARGET_OPENSBI_PLAT="generic"
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.04"
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="sifive_unmatched"
+BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_OPENSBI=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
+BR2_TARGET_UBOOT_FORMAT_CUSTOM=y
+BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.itb"
+BR2_TARGET_UBOOT_SPL=y
+
+# Host tools
+BR2_PACKAGE_HOST_GENIMAGE=y
+BR2_PACKAGE_HOST_UBOOT_TOOLS=y
+BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
+BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="board/sifive/hifive-unmatched/boot.cmd"
-- 
2.30.2

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2024-06-16  9:10 ` Yann E. MORIN

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