From: 刘孔阳 <seashell11234455@gmail.com>
To: Tom Rini <trini@konsulko.com>
Cc: u-boot@lists.denx.de, Bin Meng <bmeng@tinylab.org>,
Heinrich Schuchardt <xypron.glpk@gmx.de>,
Leo <ycliang@andestech.com>, Michal Simek <michal.simek@amd.com>,
Randolph <randolph@andestech.com>,
Rick Chen <rick@andestech.com>,
Samuel Holland <samuel@sholland.org>,
Shengyu Qu <wiagn233@outlook.com>,
Yu Chien Peter Lin <peterlin@andestech.com>
Subject: Re: [PATCH 1/4] riscv: sophgo: milkv_duo: initial support added
Date: Fri, 12 Jan 2024 01:32:19 +0800 [thread overview]
Message-ID: <CAOKwTdpoGCEpAAwvTntg3HNj2zPr05gZ2cvUNisereqRVa4mJA@mail.gmail.com> (raw)
In-Reply-To: <20240108204251.GP1610741@bill-the-cat>
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
next prev parent reply other threads:[~2024-01-11 17:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-07 11:27 [PATCH 0/4] riscv: sophgo: milkv_duo: add support for Milk-V Duo board Kongyang Liu
2024-01-07 11:27 ` [PATCH 1/4] riscv: sophgo: milkv_duo: initial support added Kongyang Liu
2024-01-08 20:42 ` Tom Rini
2024-01-11 17:32 ` 刘孔阳 [this message]
2024-01-07 11:27 ` [PATCH 2/4] riscv: dts: sophgo: Add basic device tree for Milk-V Duo board Kongyang Liu
2024-01-07 11:27 ` [PATCH 3/4] configs: milkv_duo_defconfig: Add initial config Kongyang Liu
2024-01-07 11:27 ` [PATCH 4/4] doc: sophgo: milkv_duo: document Milk-V Duo board Kongyang Liu
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