From patchwork Mon Mar 4 15:21:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 1907666 X-Patchwork-Delegate: sr@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=RPWZ0O4o; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4TpMrZ5Hbnz23cm for ; Tue, 5 Mar 2024 02:22:38 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 4EBEB87FCA; Mon, 4 Mar 2024 16:22:06 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org 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=kernel.org header.i=@kernel.org header.b="RPWZ0O4o"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id C5B0B87FBC; Mon, 4 Mar 2024 16:22:02 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id A621987FA0 for ; Mon, 4 Mar 2024 16:21:58 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=kabel@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 1D55ACE0A4B; Mon, 4 Mar 2024 15:21:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8EB0FC43394; Mon, 4 Mar 2024 15:21:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709565716; bh=pWl3NgzdvtsK4yb/IG1KOSokOh2MM7vZYOcwXIDYOsc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RPWZ0O4oWEclh0+p2i0MMG4Nk9LIBm39krAtgBUBGoBiw3mc7iHxP9es/RZron+tW gBGSaTTV6+MnAXy7YLeO7eTgll6I9guw7n1hO7dE0dy/WZeV91JsX9zQWefLJ5FZu3 eHbagQ5O+HGYyMlWK3pfz2K/Bg4ZENdPQS4zN4h2qGj+AGssz4Mh6P8Ana6H/otK9z DKfTEoHhrPPRV8f0EbrWGHVb6z1dp5CRE8sr/HznuCZPvf8HrlErHOzYgOvmCeTWxY Nx79kKx2R/T8QtgR2oyGqFJR2cUfGbjQyCv2iwqu5rewfVvTNyWpkqDKHbjlNUx2PQ hIWwpv2WOm47w== From: =?utf-8?q?Marek_Beh=C3=BAn?= To: Stefan Roese Cc: u-boot@lists.denx.de, =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH u-boot-mvebu 3/4] arm: mvebu: turris_omnia: Print board ECDSA public key if available Date: Mon, 4 Mar 2024 16:21:47 +0100 Message-ID: <20240304152148.3847-4-kabel@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240304152148.3847-1-kabel@kernel.org> References: <20240304152148.3847-1-kabel@kernel.org> MIME-Version: 1.0 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 If MCU supports the FEAT_CRYPTO feature, read board ECDSA public key from MCU and print it. Signed-off-by: Marek Behún --- board/CZ.NIC/turris_omnia/turris_omnia.c | 29 +++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c index 7a51ed3ace5..46f576a460e 100644 --- a/board/CZ.NIC/turris_omnia/turris_omnia.c +++ b/board/CZ.NIC/turris_omnia/turris_omnia.c @@ -75,6 +75,9 @@ enum mcu_commands { /* available if EXT_CMD bit set in features */ CMD_EXT_CONTROL = 0x12, + /* available if CRYPTO bit set in features */ + CMD_CRYPTO_GET_PUBLIC_KEY = 0x29, + /* available if BOARD_INFO it set in features */ CMD_BOARD_INFO_GET = 0x2c, }; @@ -94,6 +97,7 @@ enum status_word_bits { enum features_e { FEAT_PERIPH_MCU = BIT(0), FEAT_EXT_CMDS = BIT(1), + FEAT_CRYPTO = BIT(14), FEAT_BOARD_INFO = BIT(15), }; @@ -285,6 +289,24 @@ static int omnia_mcu_board_info(char *serial, u8 *mac, char *version) return 0; } +static int omnia_mcu_get_board_public_key(char pub_key[static 67]) +{ + u8 reply[34]; + int ret; + + ret = omnia_mcu_read(CMD_CRYPTO_GET_PUBLIC_KEY, reply, sizeof(reply)); + if (ret) + return ret; + + if (reply[0] != 33) + return -EBADMSG; + + bin2hex(pub_key, &reply[1], 33); + reply[66] = '\0'; + + return 0; +} + static void enable_a385_watchdog(unsigned int timeout_minutes) { struct sar_freq_modes sar_freq; @@ -1060,7 +1082,7 @@ int board_late_init(void) int checkboard(void) { - char serial[17], version[4]; + char serial[17], version[4], pub_key[67]; bool has_version; int err; @@ -1080,6 +1102,11 @@ int checkboard(void) printf(" Board version: %s\n", has_version ? version : "unknown"); printf(" Serial Number: %s\n", !err ? serial : "unknown"); + if (omnia_mcu_has_feature(FEAT_CRYPTO)) { + err = omnia_mcu_get_board_public_key(pub_key); + printf(" ECDSA Public Key: %s\n", !err ? pub_key : "unknown"); + } + return 0; }