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riscv: sophgo: milkv_duo: initial support added

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Add support for Sophgo's Milk-V Duo board, only minimal device tree and
serial console are enabled, and it can boot via vendor first stage
bootloader.

Signed-off-by: Kongyang Liu <seashell11234455@gmail.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
This commit is contained in:
Kongyang Liu 2024-01-28 15:05:25 +08:00 • committed by Leo Yu-Chi Liang
parent f03d2ab206
commit 0dc6ee6d2b
7 changed files with 87 additions and 0 deletions
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4
arch/riscv/Kconfig
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@ -14,6 +14,9 @@ config TARGET_ANDES_AE350
config TARGET_MICROCHIP_ICICLE config TARGET_MICROCHIP_ICICLE
bool "Support Microchip PolarFire-SoC Icicle Board" bool "Support Microchip PolarFire-SoC Icicle Board"
config TARGET_MILKV_DUO
bool "Support Milk-v Duo Board"
config TARGET_OPENPITON_RISCV64 config TARGET_OPENPITON_RISCV64
bool "Support RISC-V cores on OpenPiton SoC" bool "Support RISC-V cores on OpenPiton SoC"
@ -83,6 +86,7 @@ source "board/openpiton/riscv64/Kconfig"
source "board/sifive/unleashed/Kconfig" source "board/sifive/unleashed/Kconfig"
source "board/sifive/unmatched/Kconfig" source "board/sifive/unmatched/Kconfig"
source "board/sipeed/maix/Kconfig" source "board/sipeed/maix/Kconfig"
source "board/sophgo/milkv_duo/Kconfig"
source "board/starfive/visionfive2/Kconfig" source "board/starfive/visionfive2/Kconfig"
source "board/thead/th1520_lpi4a/Kconfig" source "board/thead/th1520_lpi4a/Kconfig"
source "board/xilinx/mbv/Kconfig" source "board/xilinx/mbv/Kconfig"

28
board/sophgo/milkv_duo/Kconfig Normal file
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@ -0,0 +1,28 @@
if TARGET_MILKV_DUO
config SYS_BOARD
default "milkv_duo"
config SYS_VENDOR
default "sophgo"
config SYS_CPU
default "generic"
config SYS_CONFIG_NAME
default "milkv_duo"
config TEXT_BASE
default 0x80200000
config ENV_SIZE
default 0x20000
config ENV_SECT_SIZE
default 0x40000
config BOARD_SPECIFIC_OPTIONS
def_bool y
select GENERIC_RISCV
endif

6
board/sophgo/milkv_duo/MAINTAINERS Normal file
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@ -0,0 +1,6 @@
Milk-V Duo
M: Kongyang Liu <seashell11234455@gmail.com>
S: Maintained
F: board/sophgo/milkv_duo/
F: configs/milkv_duo_defconfig
F: doc/board/sophgo/milkv_duo.rst

5
board/sophgo/milkv_duo/Makefile Normal file
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@ -0,0 +1,5 @@
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com>
obj-y := board.o

9
board/sophgo/milkv_duo/board.c Normal file
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@ -0,0 +1,9 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com>
*/
int board_init(void)
{
return 0;
}

23
configs/milkv_duo_defconfig Normal file
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@ -0,0 +1,23 @@
CONFIG_RISCV=y
CONFIG_SYS_MALLOC_LEN=0x820000
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_NR_DRAM_BANKS=1
CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x82300000
CONFIG_DEFAULT_DEVICE_TREE="cv1800b-milkv-duo"
CONFIG_IDENT_STRING="milkv_duo"
CONFIG_SYS_LOAD_ADDR=0x80080000
CONFIG_TARGET_MILKV_DUO=y
CONFIG_ARCH_RV64I=y
CONFIG_RISCV_SMODE=y
CONFIG_FIT=y
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_HUSH_PARSER=y
CONFIG_SYS_PROMPT="milkv_duo# "
CONFIG_SYS_MAXARGS=64
CONFIG_SYS_CBSIZE=512
CONFIG_SYS_PBSIZE=544
CONFIG_SYS_BOOTM_LEN=0x4000000
CONFIG_ENV_OVERWRITE=y
CONFIG_SYS_NS16550=y
CONFIG_SYS_NS16550_MEM32=y

12
include/configs/milkv_duo.h Normal file
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@ -0,0 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com>
*
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CFG_SYS_SDRAM_BASE 0x80000000
#endif /* __CONFIG_H */