Add Sophgo cv1800b SoC to support RISC-V arch.
Signed-off-by: Kongyang Liu seashell11234455@gmail.com
---
Changes in v2: - Remove duplicate code in function cleanup_before_linux
arch/riscv/Kconfig | 1 + arch/riscv/cpu/cv1800b/Kconfig | 12 ++++++++++++ arch/riscv/cpu/cv1800b/Makefile | 6 ++++++ arch/riscv/cpu/cv1800b/cpu.c | 9 +++++++++ arch/riscv/cpu/cv1800b/dram.c | 21 +++++++++++++++++++++ board/sophgo/milkv_duo/Kconfig | 4 ++-- 6 files changed, 51 insertions(+), 2 deletions(-) create mode 100644 arch/riscv/cpu/cv1800b/Kconfig create mode 100644 arch/riscv/cpu/cv1800b/Makefile create mode 100644 arch/riscv/cpu/cv1800b/cpu.c create mode 100644 arch/riscv/cpu/cv1800b/dram.c
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index ac52c5e6da..2c92b0d9f6 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -93,6 +93,7 @@ source "board/xilinx/mbv/Kconfig"
# platform-specific options below source "arch/riscv/cpu/andesv5/Kconfig" +source "arch/riscv/cpu/cv1800b/Kconfig" source "arch/riscv/cpu/fu540/Kconfig" source "arch/riscv/cpu/fu740/Kconfig" source "arch/riscv/cpu/generic/Kconfig" diff --git a/arch/riscv/cpu/cv1800b/Kconfig b/arch/riscv/cpu/cv1800b/Kconfig new file mode 100644 index 0000000000..7225b1210c --- /dev/null +++ b/arch/riscv/cpu/cv1800b/Kconfig @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2024, Kongyang Liu seashell11234455@gmail.com + +config SOPHGO_CV1800B + bool + select ARCH_EARLY_INIT_R + select SYS_CACHE_SHIFT_6 + imply CPU + imply CPU_RISCV + imply RISCV_TIMER + imply CMD_CPU diff --git a/arch/riscv/cpu/cv1800b/Makefile b/arch/riscv/cpu/cv1800b/Makefile new file mode 100644 index 0000000000..da12e0f64e --- /dev/null +++ b/arch/riscv/cpu/cv1800b/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2024, Kongyang Liu seashell11234455@gmail.com + +obj-y += dram.o +obj-y += cpu.o diff --git a/arch/riscv/cpu/cv1800b/cpu.c b/arch/riscv/cpu/cv1800b/cpu.c new file mode 100644 index 0000000000..233a6a3d64 --- /dev/null +++ b/arch/riscv/cpu/cv1800b/cpu.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024, Kongyang Liu seashell11234455@gmail.com + */ + +int cleanup_before_linux(void) +{ + return 0; +} diff --git a/arch/riscv/cpu/cv1800b/dram.c b/arch/riscv/cpu/cv1800b/dram.c new file mode 100644 index 0000000000..91007c0a3d --- /dev/null +++ b/arch/riscv/cpu/cv1800b/dram.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, Bin Meng bmeng.cn@gmail.com + */ + +#include <fdtdec.h> +#include <init.h> +#include <asm/global_data.h> +#include <linux/sizes.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + return fdtdec_setup_mem_size_base(); +} + +int dram_init_banksize(void) +{ + return fdtdec_setup_memory_banksize(); +} diff --git a/board/sophgo/milkv_duo/Kconfig b/board/sophgo/milkv_duo/Kconfig index 2a458f291c..040a7487f1 100644 --- a/board/sophgo/milkv_duo/Kconfig +++ b/board/sophgo/milkv_duo/Kconfig @@ -7,7 +7,7 @@ config SYS_VENDOR default "sophgo"
config SYS_CPU - default "generic" + default "cv1800b"
config SYS_CONFIG_NAME default "milkv_duo" @@ -23,6 +23,6 @@ config ENV_SECT_SIZE
config BOARD_SPECIFIC_OPTIONS def_bool y - select GENERIC_RISCV + select SOPHGO_CV1800B
endif