riscv: canaan: k230_canmv: Add initial support

Add support for K230 CanMV board with serial console and usb otg
support. It can boot via vendor's u-boot-spl and boot into Linux
via tftp through the onboard RTL8152.

Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>

diff --git a/board/canaan/k230_canmv/Kconfig b/board/canaan/k230_canmv/Kconfig
new file mode 100644 (file)
index 0000000..e793e99
--- /dev/null
+++ b/board/canaan/k230_canmv/Kconfig
@@ -0,0 +1,19 @@
+if TARGET_K230_CANMV
+
+config SYS_BOARD
+       default "k230_canmv"
+
+config SYS_VENDOR
+       default "canaan"
+
+config SYS_CPU
+       default "k230"
+
+config TEXT_BASE
+       default 0x0
+
+config BOARD_SPECIFIC_OPTIONS
+       def_bool y
+       select CANAAN_K230
+
+endif

diff --git a/board/canaan/k230_canmv/MAINTAINERS b/board/canaan/k230_canmv/MAINTAINERS
new file mode 100644 (file)
index 0000000..fb925e1
--- /dev/null
+++ b/board/canaan/k230_canmv/MAINTAINERS
@@ -0,0 +1,6 @@
+K230 CANMV
+M:     Junhui Liu <junhui.liu@pigmoral.tech>
+S:     Maintained
+F:     board/canaan/k230_canmv/
+F:     configs/k230_canmv_defconfig
+F:     doc/board/canaan/k230_canmv.rst

diff --git a/board/canaan/k230_canmv/Makefile b/board/canaan/k230_canmv/Makefile
new file mode 100644 (file)
index 0000000..acab631
--- /dev/null
+++ b/board/canaan/k230_canmv/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2025, Junhui Liu <junhui.liu@pigmoral.tech>
+
+obj-y += board.o

diff --git a/board/canaan/k230_canmv/board.c b/board/canaan/k230_canmv/board.c
new file mode 100644 (file)
index 0000000..a705ee8
--- /dev/null
+++ b/board/canaan/k230_canmv/board.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2025, Junhui Liu <junhui.liu@pigmoral.tech>
+ */
+
+int board_init(void)
+{
+       return 0;
+}

diff --git a/configs/k230_canmv_defconfig b/configs/k230_canmv_defconfig
new file mode 100644 (file)
index 0000000..47fa1ad
--- /dev/null
+++ b/configs/k230_canmv_defconfig
@@ -0,0 +1,19 @@
+CONFIG_RISCV=y
+CONFIG_SYS_MALLOC_F_LEN=0x40000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x80400000
+CONFIG_DEFAULT_DEVICE_TREE="k230-canmv"
+CONFIG_SYS_LOAD_ADDR=0xc000000
+CONFIG_TARGET_K230_CANMV=y
+CONFIG_ARCH_RV64I=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="K230# "
+CONFIG_CMD_USB=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SYS_NS16550=y
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_USB=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_HOST_ETHER=y
+CONFIG_USB_ETHER_RTL8152=y