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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260923-00-basic-spacemit-k3-v1-1-fa1015f2cd1b@kernel.org> X-Zoho-Virus-Status: 1 X-Zoho-AV-Stamp: zmail-av-0.2.13.1.5.4/290.183.46 X-ZohoMailClient: External X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org On Wed, Sep 23, 2026 at 12:46:45PM +0000, Yixun Lan wrote: > Add initial support for K3 Pico-ITX board, in this version, the DRAM > information is parsed from DTS "/memory" node. And with UART enabled, > the U-Boot serial console works fine now. > > Signed-off-by: Yixun Lan > --- > arch/riscv/Kconfig | 5 +++++ > arch/riscv/cpu/k3/Kconfig | 18 ++++++++++++++++++ > arch/riscv/cpu/k3/Makefile | 5 +++++ > arch/riscv/cpu/k3/dram.c | 29 +++++++++++++++++++++++++++++ > board/spacemit/k3/Kconfig | 30 ++++++++++++++++++++++++++++++ > board/spacemit/k3/MAINTAINERS | 8 ++++++++ > board/spacemit/k3/Makefile | 5 +++++ > board/spacemit/k3/board.c | 4 ++++ > include/configs/k3.h | 13 +++++++++++++ > 9 files changed, 117 insertions(+) ... > diff --git a/arch/riscv/cpu/k3/dram.c b/arch/riscv/cpu/k3/dram.c > new file mode 100644 > index 00000000000..203d72a5da1 > --- /dev/null > +++ b/arch/riscv/cpu/k3/dram.c > @@ -0,0 +1,29 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Copyright (C) 2026 Yixun Lan > + */ > + > +#include > +#include > +#include > +#include Please sort the headers alphabetically. > +DECLARE_GLOBAL_DATA_PTR; > + > +int dram_init(void) > +{ > + return fdtdec_setup_mem_size_base(); > +} > + > +int dram_init_banksize(void) > +{ > + return fdtdec_setup_memory_banksize(); > +} > + > +phys_addr_t board_get_usable_ram_top(phys_size_t total_size) > +{ > + if (gd->ram_size > SZ_2G) > + return gd->ram_base + SZ_2G; What's the intention of this limitation? > + return gd->ram_base + gd->ram_size; > +} ... > diff --git a/board/spacemit/k3/Makefile b/board/spacemit/k3/Makefile > new file mode 100644 > index 00000000000..bd5343be789 > --- /dev/null > +++ b/board/spacemit/k3/Makefile > @@ -0,0 +1,5 @@ > +# SPDX-License-Identifier: GPL-2.0-or-later > +# > +# Copyright (C) 2026 Yixun Lan > + > +obj-y := board.o > diff --git a/board/spacemit/k3/board.c b/board/spacemit/k3/board.c > new file mode 100644 > index 00000000000..29994e49ce8 > --- /dev/null > +++ b/board/spacemit/k3/board.c > @@ -0,0 +1,4 @@ > +// SPDX-License-Identifier: GPL-2.0-or-later > +/* > + * Copyright (C) 2026 Yixun Lan > + */ I think it makes sense to omit the source if it's empty for now. Regards, Yao Zi