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Fri, 14 Feb 2025 03:32:01 -0800 (PST) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com ([176.200.207.55]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-aba533bf5casm321668666b.182.2025.02.14.03.32.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2025 03:32:01 -0800 (PST) From: Dario Binacchi To: buildroot@buildroot.org Cc: Dario Binacchi Date: Fri, 14 Feb 2025 12:31:57 +0100 Message-ID: <20250214113158.3584398-1-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; t=1739532722; x=1740137522; darn=buildroot.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=IMy+MjI4f1wu9owsKq4areX71QjPlAUFTz86/acqUdA=; b=ZKeUaaOFbGi2Rt1WKFebNzqkGakXycewkXZZToV0gKeEjFOpS7el8r6yj9t2lxzWGT R8E+tlfiu42uicP40rpycxEnyhaUTgGe7+JPr9U0LNE7RE5901Rj0A/ol8sL+IBmgMJ5 Wjn29tlbr/6N7HPPfnhizlRZLl27jeWObdVVM= X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=amarulasolutions.com X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (1024-bit key, unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.a=rsa-sha256 header.s=google header.b=ZKeUaaOF Subject: [Buildroot] [PATCH 1/1] board/stm32f769-disco: speed up U-Boot bootup X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" Updating the framebuffer takes quite a long time on this slow platform. The added patch allow to avoid the following cyclic warning: cyclic function video_init took too long: 7280us vs 5000us max Signed-off-by: Dario Binacchi --- ...9-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 board/stmicroelectronics/stm32f769-disco/patches/uboot/0001-configs-stm32f769-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch diff --git a/board/stmicroelectronics/stm32f769-disco/patches/uboot/0001-configs-stm32f769-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch b/board/stmicroelectronics/stm32f769-disco/patches/uboot/0001-configs-stm32f769-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch new file mode 100644 index 000000000000..a9a5c631b629 --- /dev/null +++ b/board/stmicroelectronics/stm32f769-disco/patches/uboot/0001-configs-stm32f769-disco-Set-CYCLIC_MAX_CPU_TIME_US-t.patch @@ -0,0 +1,48 @@ +From c1bb2b62b00a68ff710d8c5635f68c83a4b8c1c8 Mon Sep 17 00:00:00 2001 +From: Patrice Chotard +Date: Wed, 11 Dec 2024 09:09:35 +0100 +Subject: [PATCH] configs: stm32f769-disco: Set CYCLIC_MAX_CPU_TIME_US to 8000 + for stm32f769-disco + +Updating the framebuffer takes quite a long time on this slow patform, +set CYCLIC_MAX_CPU_TIME_US to 8000 for stm32f769-disco to avoid +following cyclic warning: + +"cyclic function video_init took too long: 7280us vs 5000us max" + +Signed-off-by: Patrice Chotard +Reviewed-by: Patrick Delaunay +Upstream: https://gitlab.com/u-boot/u-boot/-/commit/c1bb2b62b00a68ff710d8c5635f68c83a4b8c1c8 +Signed-off-by: Dario Binacchi +--- + configs/stm32f769-disco_defconfig | 1 + + configs/stm32f769-disco_spl_defconfig | 1 + + 2 files changed, 2 insertions(+) + +diff --git a/configs/stm32f769-disco_defconfig b/configs/stm32f769-disco_defconfig +index 1e09c224fc0d..5be221afd2fa 100644 +--- a/configs/stm32f769-disco_defconfig ++++ b/configs/stm32f769-disco_defconfig +@@ -21,6 +21,7 @@ CONFIG_USE_BOOTARGS=y + CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel" + CONFIG_SYS_PBSIZE=1050 + # CONFIG_DISPLAY_CPUINFO is not set ++CONFIG_CYCLIC_MAX_CPU_TIME_US=8000 + CONFIG_SYS_PROMPT="U-Boot > " + CONFIG_CMD_GPT=y + CONFIG_CMD_MMC=y +diff --git a/configs/stm32f769-disco_spl_defconfig b/configs/stm32f769-disco_spl_defconfig +index 787571dba0cf..7d4bda440685 100644 +--- a/configs/stm32f769-disco_spl_defconfig ++++ b/configs/stm32f769-disco_spl_defconfig +@@ -30,6 +30,7 @@ CONFIG_USE_BOOTARGS=y + CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel" + CONFIG_SYS_PBSIZE=1050 + # CONFIG_DISPLAY_CPUINFO is not set ++CONFIG_CYCLIC_MAX_CPU_TIME_US=8000 + CONFIG_SPL_PAD_TO=0x9000 + CONFIG_SPL_NO_BSS_LIMIT=y + CONFIG_SPL_BOARD_INIT=y +-- +2.43.0 +