Add k230 support.

arch/riscv/Kconfig

@@ -31,6 +31,18 @@ config TARGET_SIPEED_MAIX
 config TARGET_OPENPITON_RISCV64
 	bool "Support RISC-V cores on OpenPiton SoC"
 
+config TARGET_K230_CANMV
+	bool "Support k230_CANMV(K230PI)"
+	select SYS_CACHE_SHIFT_6
+
+config TARGET_K230_CANMV_01STUDIO
+	bool "Support k230_CANMV(01STUDIO)"
+	select SYS_CACHE_SHIFT_6
+
+config TARGET_K230D_CANMV_BPI_ZERO
+	bool "Support k230D_CANMV(BPI-ZERO)"
+	select SYS_CACHE_SHIFT_6
+
 endchoice
 
 config SYS_ICACHE_OFF
@@ -65,12 +77,16 @@ source "board/sifive/unleashed/Kconfig"
 source "board/sifive/unmatched/Kconfig"
 source "board/openpiton/riscv64/Kconfig"
 source "board/sipeed/maix/Kconfig"
+source "board/kendryte/k230_canmv/Kconfig"
+source "board/kendryte/k230_canmv_01studio/Kconfig"
+source "board/kendryte/k230d_canmv_bpi_zero/Kconfig"
 
 # platform-specific options below
 source "arch/riscv/cpu/ax25/Kconfig"
 source "arch/riscv/cpu/fu540/Kconfig"
 source "arch/riscv/cpu/fu740/Kconfig"
 source "arch/riscv/cpu/generic/Kconfig"
+source "arch/riscv/cpu/k230/Kconfig"
 
 # architecture-specific options below
 

arch/riscv/cpu/k230/Kconfig

@@ -0,0 +1,18 @@
+#
+# Copyright (C) 2017-2020 Alibaba Group Holding Limited
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+config KENDRYTE_K230
+	bool
+	select ARCH_EARLY_INIT_R
+	select SUPPORT_SPL
+	imply CPU
+	imply CPU_RISCV
+	imply RISCV_TIMER
+	imply RISCV_RDTIME
+	imply CMD_CPU
+	imply SPL_CPU
+	imply SPL_OPENSBI
+	imply SPL_LOAD_FIT

arch/riscv/cpu/k230/Makefile

@@ -0,0 +1,28 @@
+# /* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
+#  *
+#  * Redistribution and use in source and binary forms, with or without
+#  * modification, are permitted provided that the following conditions are met:
+#  * 1. Redistributions of source code must retain the above copyright
+#  * notice, this list of conditions and the following disclaimer.
+#  * 2. Redistributions in binary form must reproduce the above copyright
+#  * notice, this list of conditions and the following disclaimer in the
+#  * documentation and/or other materials provided with the distribution.
+#  *
+#  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+#  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+#  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+#  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+#  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+#  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+#  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+#  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#  */
+
+obj-y += dram.o
+obj-y += cpu.o
+obj-y += cache.o