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 19352C433F5 for ; Fri, 8 Apr 2022 14:32:00 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 5A18783DAC; Fri, 8 Apr 2022 16:31:40 +0200 (CEST) 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="NRerzZ98"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id E7BCD83A3A; Fri, 8 Apr 2022 16:31:31 +0200 (CEST) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id C8E6183A3A for ; Fri, 8 Apr 2022 16:31:26 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=pali@kernel.org Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 25CB361DD4; Fri, 8 Apr 2022 14:31:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3FE15C385A1; Fri, 8 Apr 2022 14:31:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1649428284; bh=qNVxdx4WRB+Ki4EvGgEI63gpSuYHF2lUSetzxUnhodM=; h=From:To:Cc:Subject:Date:From; b=NRerzZ98WnTx4Mnp6hUmt/U1XZzD7C2oVHOX4s3rXKEeKFHKpvU6m+Vi369AaR7Ef ZOva49NAwX9WZeHiVszRJ413sb6GOM7w6xe9vqNd8ixZRiid3cg3rxfU4da3I6tpWV DQi+rW0FlXO4yCATOJUrmCEl0HpsbfQiMdotvgbljAubyZU3CvEs05kEHibAMDKMy2 8SxFDGSXR0NTGiY9J+/VzXANHP8PrVo4/besEZhIRzVELm6R6AvFvMiZj5fJHuYOtU 3FFcZYt/iGtmeNHhS0Z6k6xVg8xaoewJpFHd5bQc9h7W0nOkZCaL6ssb75o0kvWUuD rND/8+nvlrp2A== Received: by pali.im (Postfix) id 41F826D7; Fri, 8 Apr 2022 16:31:21 +0200 (CEST) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Stefan Roese , Marek Behun Cc: u-boot@lists.denx.de Subject: [PATCH 1/4] board: turris: Move Turris Atsha OTP code to separate file Date: Fri, 8 Apr 2022 16:30:12 +0200 Message-Id: <20220408143015.23163-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 0.103.5 at phobos.denx.de X-Virus-Status: Clean OTP code is not Atsha generic but also it is not Omnia specific. It is common for all Turris routers which use Atsha cryptochip for storing OTP. So move this common Turris specific Atsha OTP code from Turris Omnia into separate file. It will be used also by other Turris routers. Signed-off-by: Pali Rohár --- board/CZ.NIC/turris_atsha_otp.c | 121 +++++++++++++++++++++++ board/CZ.NIC/turris_atsha_otp.h | 9 ++ board/CZ.NIC/turris_omnia/Makefile | 2 +- board/CZ.NIC/turris_omnia/turris_omnia.c | 108 +------------------- 4 files changed, 135 insertions(+), 105 deletions(-) create mode 100644 board/CZ.NIC/turris_atsha_otp.c create mode 100644 board/CZ.NIC/turris_atsha_otp.h diff --git a/board/CZ.NIC/turris_atsha_otp.c b/board/CZ.NIC/turris_atsha_otp.c new file mode 100644 index 000000000000..a4a77c74fb19 --- /dev/null +++ b/board/CZ.NIC/turris_atsha_otp.c @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Marek Behun + * Copyright (C) 2016 Tomas Hlavacek + */ + +#include +#include +#include +#include + +#include "turris_atsha_otp.h" + +#define TURRIS_ATSHA_OTP_VERSION 0 +#define TURRIS_ATSHA_OTP_SERIAL 1 +#define TURRIS_ATSHA_OTP_MAC0 3 +#define TURRIS_ATSHA_OTP_MAC1 4 + +static struct udevice *get_atsha204a_dev(void) +{ + static struct udevice *dev; + + if (dev) + return dev; + + if (uclass_get_device_by_name(UCLASS_MISC, "atsha204a@64", &dev)) { + puts("Cannot find ATSHA204A on I2C bus!\n"); + dev = NULL; + } + + return dev; +} + +static void increment_mac(u8 *mac) +{ + int i; + + for (i = 5; i >= 3; i--) { + mac[i] += 1; + if (mac[i]) + break; + } +} + +static void set_mac_if_invalid(int i, u8 *mac) +{ + u8 oldmac[6]; + + if (is_valid_ethaddr(mac) && + !eth_env_get_enetaddr_by_index("eth", i, oldmac)) + eth_env_set_enetaddr_by_index("eth", i, mac); +} + +int turris_atsha_otp_init_mac_addresses(void) +{ + struct udevice *dev = get_atsha204a_dev(); + u8 mac0[4], mac1[4], mac[6]; + int ret; + + if (!dev) + return -1; + + ret = atsha204a_wakeup(dev); + if (ret) + return ret; + + ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, + TURRIS_ATSHA_OTP_MAC0, mac0); + if (ret) + return ret; + + ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, + TURRIS_ATSHA_OTP_MAC1, mac1); + if (ret) + return ret; + + atsha204a_sleep(dev); + + mac[0] = mac0[1]; + mac[1] = mac0[2]; + mac[2] = mac0[3]; + mac[3] = mac1[1]; + mac[4] = mac1[2]; + mac[5] = mac1[3]; + + set_mac_if_invalid(1, mac); + increment_mac(mac); + set_mac_if_invalid(2, mac); + increment_mac(mac); + set_mac_if_invalid(0, mac); + + return 0; +} + +int turris_atsha_otp_get_serial_number(u32 *version_num, u32 *serial_num) +{ + struct udevice *dev = get_atsha204a_dev(); + int ret; + + if (!dev) + return -1; + + ret = atsha204a_wakeup(dev); + if (ret) + return ret; + + ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, + TURRIS_ATSHA_OTP_VERSION, + (u8 *)version_num); + if (ret) + return ret; + + ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, + TURRIS_ATSHA_OTP_SERIAL, + (u8 *)serial_num); + if (ret) + return ret; + + atsha204a_sleep(dev); + return 0; +} diff --git a/board/CZ.NIC/turris_atsha_otp.h b/board/CZ.NIC/turris_atsha_otp.h new file mode 100644 index 000000000000..667d01af7310 --- /dev/null +++ b/board/CZ.NIC/turris_atsha_otp.h @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#ifndef TURRIS_ATSHA_OTP_H +#define TURRIS_ATSHA_OTP_H + +int turris_atsha_otp_init_mac_addresses(void); +int turris_atsha_otp_get_serial_number(u32 *version_num, u32 *serial_num); + +#endif diff --git a/board/CZ.NIC/turris_omnia/Makefile b/board/CZ.NIC/turris_omnia/Makefile index ccdf6c352cad..b79555ab4673 100644 --- a/board/CZ.NIC/turris_omnia/Makefile +++ b/board/CZ.NIC/turris_omnia/Makefile @@ -2,4 +2,4 @@ # # Copyright (C) 2017 Marek Behun -obj-y := turris_omnia.o +obj-y := turris_omnia.o ../turris_atsha_otp.o diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c index 33cec6587e19..719e8750e60a 100644 --- a/board/CZ.NIC/turris_omnia/turris_omnia.c +++ b/board/CZ.NIC/turris_omnia/turris_omnia.c @@ -14,8 +14,6 @@ #include #include #include -#include -#include #include #include #include @@ -25,10 +23,10 @@ #include #include #include -# include #include "../drivers/ddr/marvell/a38x/ddr3_init.h" #include <../serdes/a38x/high_speed_env_spec.h> +#include "../turris_atsha_otp.h" DECLARE_GLOBAL_DATA_PTR; @@ -71,11 +69,6 @@ enum status_word_bits { MSATA_IND_STSBIT = 0x0020, }; -#define OMNIA_ATSHA204_OTP_VERSION 0 -#define OMNIA_ATSHA204_OTP_SERIAL 1 -#define OMNIA_ATSHA204_OTP_MAC0 3 -#define OMNIA_ATSHA204_OTP_MAC1 4 - /* * Those values and defines are taken from the Marvell U-Boot version * "u-boot-2013.01-2014_T3.0" @@ -594,49 +587,12 @@ int board_late_init(void) return 0; } -static struct udevice *get_atsha204a_dev(void) -{ - static struct udevice *dev; - - if (dev) - return dev; - - if (uclass_get_device_by_name(UCLASS_MISC, "atsha204a@64", &dev)) { - puts("Cannot find ATSHA204A on I2C bus!\n"); - dev = NULL; - } - - return dev; -} - int show_board_info(void) { u32 version_num, serial_num; - int err = 1; - - struct udevice *dev = get_atsha204a_dev(); - - if (dev) { - err = atsha204a_wakeup(dev); - if (err) - goto out; - - err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, - OMNIA_ATSHA204_OTP_VERSION, - (u8 *)&version_num); - if (err) - goto out; - - err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, - OMNIA_ATSHA204_OTP_SERIAL, - (u8 *)&serial_num); - if (err) - goto out; - - atsha204a_sleep(dev); - } + int err; -out: + err = turris_atsha_otp_get_serial_number(&version_num, &serial_num); printf("Model: Turris Omnia\n"); printf(" RAM size: %i MiB\n", omnia_get_ram_size_gb() * 1024); if (err) @@ -648,65 +604,9 @@ out: return 0; } -static void increment_mac(u8 *mac) -{ - int i; - - for (i = 5; i >= 3; i--) { - mac[i] += 1; - if (mac[i]) - break; - } -} - -static void set_mac_if_invalid(int i, u8 *mac) -{ - u8 oldmac[6]; - - if (is_valid_ethaddr(mac) && - !eth_env_get_enetaddr_by_index("eth", i, oldmac)) - eth_env_set_enetaddr_by_index("eth", i, mac); -} - int misc_init_r(void) { - int err; - struct udevice *dev = get_atsha204a_dev(); - u8 mac0[4], mac1[4], mac[6]; - - if (!dev) - goto out; - - err = atsha204a_wakeup(dev); - if (err) - goto out; - - err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, - OMNIA_ATSHA204_OTP_MAC0, mac0); - if (err) - goto out; - - err = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false, - OMNIA_ATSHA204_OTP_MAC1, mac1); - if (err) - goto out; - - atsha204a_sleep(dev); - - mac[0] = mac0[1]; - mac[1] = mac0[2]; - mac[2] = mac0[3]; - mac[3] = mac1[1]; - mac[4] = mac1[2]; - mac[5] = mac1[3]; - - set_mac_if_invalid(1, mac); - increment_mac(mac); - set_mac_if_invalid(2, mac); - increment_mac(mac); - set_mac_if_invalid(0, mac); - -out: + turris_atsha_otp_init_mac_addresses(); return 0; } -- 2.20.1