Message ID | 20240107112713.61966-2-seashell11234455@gmail.com |
---|---|
State | Changes Requested |
Delegated to: | Andes |
Headers | show |
Series | riscv: sophgo: milkv_duo: add support for Milk-V Duo board | expand |
On Sun, Jan 07, 2024 at 07:27:07PM +0800, Kongyang Liu wrote: > 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> > > --- > > arch/riscv/Kconfig | 4 ++++ > board/sophgo/milkv_duo/Kconfig | 28 ++++++++++++++++++++++++++++ > board/sophgo/milkv_duo/MAINTAINERS | 6 ++++++ > board/sophgo/milkv_duo/Makefile | 5 +++++ > board/sophgo/milkv_duo/board.c | 9 +++++++++ > include/configs/milkv_duo.h | 16 ++++++++++++++++ The defconfig patch should be folded in to this one. [snip] > diff --git a/board/sophgo/milkv_duo/board.c b/board/sophgo/milkv_duo/board.c > new file mode 100644 > index 0000000000..eaa47be173 > --- /dev/null > +++ b/board/sophgo/milkv_duo/board.c > @@ -0,0 +1,9 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com> > + */ > + > +int board_init(void) > +{ > + return 0; > +} Shouldn't you enable caches here? > diff --git a/include/configs/milkv_duo.h b/include/configs/milkv_duo.h > new file mode 100644 > index 0000000000..dd1d146c50 > --- /dev/null > +++ b/include/configs/milkv_duo.h > @@ -0,0 +1,16 @@ > +/* 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 > + > +#define CFG_EXTRA_ENV_SETTINGS \ > + "consoledev=ttyS0" \ > + "baudrate=115200\0" \ We shouldn't need to set baudrate, it will be handled for us. Is consoledev something that must be set? Can it all be done in a plain text environment anyhow? Thanks.
Tom Rini <trini@konsulko.com> 于2024年1月9日周二 04:42写道: > > On Sun, Jan 07, 2024 at 07:27:07PM +0800, Kongyang Liu wrote: > > > 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> > > > > --- > > > > arch/riscv/Kconfig | 4 ++++ > > board/sophgo/milkv_duo/Kconfig | 28 ++++++++++++++++++++++++++++ > > board/sophgo/milkv_duo/MAINTAINERS | 6 ++++++ > > board/sophgo/milkv_duo/Makefile | 5 +++++ > > board/sophgo/milkv_duo/board.c | 9 +++++++++ > > include/configs/milkv_duo.h | 16 ++++++++++++++++ > > The defconfig patch should be folded in to this one. > I will fold it in next version. > [snip] > > diff --git a/board/sophgo/milkv_duo/board.c b/board/sophgo/milkv_duo/board.c > > new file mode 100644 > > index 0000000000..eaa47be173 > > --- /dev/null > > +++ b/board/sophgo/milkv_duo/board.c > > @@ -0,0 +1,9 @@ > > +// SPDX-License-Identifier: GPL-2.0+ > > +/* > > + * Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com> > > + */ > > + > > +int board_init(void) > > +{ > > + return 0; > > +} > > Shouldn't you enable caches here? > Enable caches will cause other problems, and I will implement it in subsequent patches. > > diff --git a/include/configs/milkv_duo.h b/include/configs/milkv_duo.h > > new file mode 100644 > > index 0000000000..dd1d146c50 > > --- /dev/null > > +++ b/include/configs/milkv_duo.h > > @@ -0,0 +1,16 @@ > > +/* 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 > > + > > +#define CFG_EXTRA_ENV_SETTINGS \ > > + "consoledev=ttyS0" \ > > + "baudrate=115200\0" \ > > We shouldn't need to set baudrate, it will be handled for us. Is > consoledev something that must be set? Can it all be done in a plain > text environment anyhow? Thanks. > I will check and detele it if it is unnecessary. Best regards Kongyang Liu > -- > Tom
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 6d0d812ddb..de99ce3a28 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -14,6 +14,9 @@ config TARGET_ANDES_AE350 config TARGET_MICROCHIP_ICICLE bool "Support Microchip PolarFire-SoC Icicle Board" +config TARGET_MILKV_DUO + bool "Support Milk-v Duo Board" + config TARGET_OPENPITON_RISCV64 bool "Support RISC-V cores on OpenPiton SoC" @@ -80,6 +83,7 @@ source "board/openpiton/riscv64/Kconfig" source "board/sifive/unleashed/Kconfig" source "board/sifive/unmatched/Kconfig" source "board/sipeed/maix/Kconfig" +source "board/sophgo/milkv_duo/Kconfig" source "board/starfive/visionfive2/Kconfig" source "board/thead/th1520_lpi4a/Kconfig" diff --git a/board/sophgo/milkv_duo/Kconfig b/board/sophgo/milkv_duo/Kconfig new file mode 100644 index 0000000000..2a458f291c --- /dev/null +++ b/board/sophgo/milkv_duo/Kconfig @@ -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 diff --git a/board/sophgo/milkv_duo/MAINTAINERS b/board/sophgo/milkv_duo/MAINTAINERS new file mode 100644 index 0000000000..651a0592f7 --- /dev/null +++ b/board/sophgo/milkv_duo/MAINTAINERS @@ -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 diff --git a/board/sophgo/milkv_duo/Makefile b/board/sophgo/milkv_duo/Makefile new file mode 100644 index 0000000000..a087013f5c --- /dev/null +++ b/board/sophgo/milkv_duo/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com> + +obj-y := board.o diff --git a/board/sophgo/milkv_duo/board.c b/board/sophgo/milkv_duo/board.c new file mode 100644 index 0000000000..eaa47be173 --- /dev/null +++ b/board/sophgo/milkv_duo/board.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024, Kongyang Liu <seashell11234455@gmail.com> + */ + +int board_init(void) +{ + return 0; +} diff --git a/include/configs/milkv_duo.h b/include/configs/milkv_duo.h new file mode 100644 index 0000000000..dd1d146c50 --- /dev/null +++ b/include/configs/milkv_duo.h @@ -0,0 +1,16 @@ +/* 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 + +#define CFG_EXTRA_ENV_SETTINGS \ + "consoledev=ttyS0" \ + "baudrate=115200\0" \ + +#endif /* __CONFIG_H */
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> --- arch/riscv/Kconfig | 4 ++++ board/sophgo/milkv_duo/Kconfig | 28 ++++++++++++++++++++++++++++ board/sophgo/milkv_duo/MAINTAINERS | 6 ++++++ board/sophgo/milkv_duo/Makefile | 5 +++++ board/sophgo/milkv_duo/board.c | 9 +++++++++ include/configs/milkv_duo.h | 16 ++++++++++++++++ 6 files changed, 68 insertions(+) create mode 100644 board/sophgo/milkv_duo/Kconfig create mode 100644 board/sophgo/milkv_duo/MAINTAINERS create mode 100644 board/sophgo/milkv_duo/Makefile create mode 100644 board/sophgo/milkv_duo/board.c create mode 100644 include/configs/milkv_duo.h