u-boot.git/arch/riscv/cpu/k1, branch main

spacemit: k1: enable SPL with debug UART

2026-07-21T08:57:13Z

Add SPL support featuring debug UART output for early boot diagnostics on K1 SoC. Signed-off-by: Raymond Mao Signed-off-by: Guodong Xu Tested-by: Songsong Zhang

spacemit: k1: support multi-board infrastructure

2026-07-21T08:57:13Z

Restructure K1 SoC support to handle multiple boards through a single configuration: 1. Rename bananapi-f3_defconfig to spacemit_k1_defconfig. 2. Move all K1 board files to board/spacemit/k1/. 3. Replace TARGET_BANANAPI_F3 with TARGET_SPACEMIT_K1 and rename the board's .h header to k1.h. Eliminates the need for board-specific defconfigs while maintaining hardware compatibility. Signed-off-by: Raymond Mao Signed-off-by: Guodong Xu Link: https://patch.msgid.link/20260519-b4-k1-spl-bring-up-v4-0-3915a2a904c1@riscstar.com Tested-by: Songsong Zhang

treewide: move bi_dram[] from bd to gd

2026-06-25T00:13:24Z

Currently, the bi_dram[] information is stored in the board info structure (bd). Because bd is only valid after reserve_board(), dram_init_banksize() must be called late in the initialization process. This limitation is problematic, as it forces us to rely on a variety of bespoke functions to determine board RAM, bank memory sizes, and other early setup requirements. By moving bi_dram[] into the global data (gd), we can run it earlier. This is particularly convenient since boards define their own dram_init_banksize() routines, which do not always rely on parsing Device Tree (DT) memory nodes. Additionally, U-Boot defaults to relocating to the top of the first memory bank. While boards currently use custom functions to override this behavior, having the DRAM bank information available earlier in gd makes relocating to a different bank trivial and standardizes the process. Reviewed-by: Anshul Dalal Tested-by: Michal Simek # Versal Gen 2 Vek385 Tested-by: Anshul Dalal Reviewed-by: Simon Glass Signed-off-by: Ilias Apalodimas Tested-by: Christophe Leroy (CS GROUP)

Add reset config options for k1

2025-03-25T08:34:50Z

Add RESET_SPACEMIT_K1 option in config. Signed-off-by: Huan Zhou Reviewed-by: Leo Yu-Chi Liang

riscv: spacemit: k1: probe dram size during boot phase.

2025-02-03T03:33:04Z

Implement functionality to probe and calculate the DRAM size during the boot phase for the RISC-V spacemit K1 platform. Tested-by: Marcel Ziswiler # BPI-F3 16G Signed-off-by: Huan Zhou Reviewed-by: Leo Yu-Chi Liang

riscv: spacemit: bananapi_f3: initial support added

2024-12-18T05:19:16Z

Add basic support for SpacemiT's Banana Pi F3 board. Update the k1.dtsi align with mainline. Note that the device tree files follow the mainline Linux source[1]. Links: https://patches.linaro.org/project/linux-serial/patch/20240730-k1-01-basic-dt-v5-8-98263aae83be@gentoo.org/ [1] Signed-off-by: Kongyang Liu Signed-off-by: Huan Zhou Reviewed-by: Leo Yu-Chi Liang Reviewed-by: Yixun Lan Tested-by: Marcel Ziswiler