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[174.138.202.16]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8953c057751sm101019286d6.43.2026.02.10.07.15.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Feb 2026 07:15:36 -0800 (PST) From: Raymond Mao To: u-boot@lists.denx.de Cc: uboot@riscstar.com, u-boot-spacemit@groups.io, raymond.mao@riscstar.com, rick@andestech.com, ycliang@andestech.com, trini@konsulko.com, lukma@denx.de, hs@nabladev.com, jh80.chung@samsung.com, peng.fan@nxp.com, xypron.glpk@gmx.de, randolph@andestech.com, dlan@gentoo.org, junhui.liu@pigmoral.tech, neil.armstrong@linaro.org, quentin.schulz@cherry.de, samuel@sholland.org, raymondmaoca@gmail.com Subject: [PATCH v2 09/16] board: k1: initialize clock and serial devices in SPL Date: Tue, 10 Feb 2026 10:14:52 -0500 Message-Id: <20260210151459.2348758-10-raymondmaoca@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260210151459.2348758-1-raymondmaoca@gmail.com> References: <20260210151459.2348758-1-raymondmaoca@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Raymond Mao Initialize clock and serial devices in SPL. Otherwise, the device driver won't be loaded in SPL. Signed-off-by: Raymond Mao --- board/spacemit/k1/spl.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/board/spacemit/k1/spl.c b/board/spacemit/k1/spl.c index e15cf5f1abf..78f26616347 100644 --- a/board/spacemit/k1/spl.c +++ b/board/spacemit/k1/spl.c @@ -3,8 +3,45 @@ * Copyright (c) 2025-2026, RISCstar Ltd. */ +#include +#include +#include #include +static void clk_early_init(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device_by_name(UCLASS_CLK, "clock-controller@d4090000", &dev); + if (ret) + panic("Fail to detect clock-controller@d4090000\n"); + ret = uclass_get_device_by_name(UCLASS_CLK, "system-controller@d4050000", &dev); + if (ret) + panic("Fail to detect system-controller@d4050000\n"); + ret = uclass_get_device_by_name(UCLASS_CLK, "system-controller@d4282800", &dev); + if (ret) + panic("Fail to detect system-controller@d4282800\n"); + ret = uclass_get_device_by_name(UCLASS_CLK, "system-controller@d4015000", &dev); + if (ret) + panic("Fail to detect system-controller@d4015000\n"); + + if (device_active(dev)) + log_debug("clk: device is active\n"); + else + log_debug("clk: device not active, probing...\n"); +} + +void serial_early_init(void) +{ + struct udevice *dev; + int ret; + + ret = uclass_get_device(UCLASS_SERIAL, 0, &dev); + if (ret) + panic("Serial uclass init failed: %d\n", ret); +} + void board_init_f(ulong dummy) { int ret; @@ -15,6 +52,8 @@ void board_init_f(ulong dummy) riscv_cpu_setup(); + clk_early_init(); + serial_early_init(); preloader_console_init(); } -- 2.25.1