From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 892A3C47258 for ; Sat, 20 Jan 2024 13:38:29 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 547E487CC8; Sat, 20 Jan 2024 14:38:27 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ZTWjpXhi"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 7A3C987D2F; Sat, 20 Jan 2024 14:27:37 +0100 (CET) Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id A046B87D4B for ; Sat, 20 Jan 2024 14:27:35 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=resch.max@gmail.com Received: by mail-wm1-x32d.google.com with SMTP id 5b1f17b1804b1-40e800461baso19433825e9.3 for ; Sat, 20 Jan 2024 05:27:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705757254; x=1706362054; darn=lists.denx.de; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=RxvJgxfWdPWl1D3iXor50U3PK/i0mlQtAePZHggmGMg=; b=ZTWjpXhi0XGJKjoQTnHdL+2PwR6SBnps6QKKwNE2z2+OBXmnrU31X2P4pjOOS//e97 zcxm30aCTxCr+HHOV6ga5YJK3ZGzFnVf/3XIZRL30egdpCA5qauFP60yMV/nlcBf5Ah1 9tefeUqsUyICOw2HcGRAstxyxmrjQ/gy3c4TnZs7QXjHWGq3KTapgtvMCZHYzF2fylls l5ghfrxEADPwcUfZ9gnP+fYwfqEsWLBtPyfnbp5d+Fb5F9ZQEQnCseSRB8ZW+O7lHoSv W8RBDFXnTgz4ahrW3dsf2usqpCArHyMBHmpGRdOiUmMXkBTdgULvoDKNYuSmVNjMeSVS GDAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705757254; x=1706362054; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=RxvJgxfWdPWl1D3iXor50U3PK/i0mlQtAePZHggmGMg=; b=BJOukXGBeL3pgy1IDpcVNzMC327kYujxLkAH6Mo2Cu8q9Oz4FEioS1UkvkGNhaHGAq Q5IKQnfDmGXQjTNGCVZRCfwPnCndWnV028bq58OQf1FpbC6EUDKOu1xF5z1DR/rQxJ+q Hk5OXCxbCA4kjn4Aj7tsD+9nafTs30Q0hfsdr+gkbN3tNBR22ACYijew7J9N61gHavje PJz5CELHZD3jWkpgDFymxD4/D1Q6If0ZJh83FNkXTaYWwM4iMwY/zoaFxnHfvDg8thQ2 Q8bklcOomhtGlG3BlNLj7UKmA8FtoVL8cpo8Tokaej2frhZz8e7+KmHsmTiBot6HozIR DSuA== X-Gm-Message-State: AOJu0YyIk5nx5mx55v7ATdlGjwNbZNr/9AzN7VNJX+NLIbCaADVZHn/k nye8IzSJ1YB4ZEUW4ie9kMBbyFwRjbm4O+PSg/CKVxSQKAWBsilrTWpxlIME X-Google-Smtp-Source: AGHT+IEpgust2b05kNoEKLRA6CQIYM3UyQi7gwMVsMcZ+LvySaU9DmG2iA46qntmCxhLuM3rLIhcjA== X-Received: by 2002:a05:600c:2182:b0:40e:6b84:ee71 with SMTP id e2-20020a05600c218200b0040e6b84ee71mr426566wme.336.1705757253970; Sat, 20 Jan 2024 05:27:33 -0800 (PST) Received: from niflheim.lan ([2001:871:223:517:1bcd:a630:f42f:3edc]) by smtp.gmail.com with ESMTPSA id fl19-20020a05600c0b9300b0040ea8d346e4sm300331wmb.37.2024.01.20.05.27.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Jan 2024 05:27:33 -0800 (PST) From: Max Resch To: u-boot@lists.denx.de Cc: sr@denx.de, Max Resch Subject: [PATCH 0/1] This patch adds support for the entropy generator present in Date: Sat, 20 Jan 2024 14:27:22 +0100 Message-ID: <20240120132731.35321-1-resch.max@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Sat, 20 Jan 2024 14:38:26 +0100 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 the Armada3700 Secure Processor. This rng is onlt accessible to the rWTM firmware. Currently the CZ.NIC Turris Mox firmware exposes this. For the Linux kernel a driver called turris-mox-rwtm exists that makes use of this feature. This RNG driver for U-Boot tries to do the same. For efficiency I chose to cache 4k of enthropy in a ringbuffer. Max Resch (1): add turris-rwtm-rng from CZ.NIC rWTM Firmware drivers/rng/Kconfig | 8 ++ drivers/rng/Makefile | 1 + drivers/rng/turris_rwtm_rng.c | 143 ++++++++++++++++++++++++++++++++++ 3 files changed, 152 insertions(+) create mode 100644 drivers/rng/turris_rwtm_rng.c -- 2.43.0