From patchwork Wed Aug 5 13:15:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ang, Chee Hong" X-Patchwork-Id: 1341236 X-Patchwork-Delegate: simon.k.r.goldschmidt@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: 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=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com 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 RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4BMBwP273pz9sPC for ; Wed, 5 Aug 2020 23:16:37 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 4B9EE82189; Wed, 5 Aug 2020 15:16:20 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id 515BE8216B; Wed, 5 Aug 2020 15:16:17 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (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 BFE5981B65 for ; Wed, 5 Aug 2020 15:16:13 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=chee.hong.ang@intel.com IronPort-SDR: zWJF24wNlYFcR8cOb6RTRa6nogqp4KnFDHItuqUThYyOfDQdgWUa+kkT8D2pVLd8Qs1vXYVl94 t9UycaQ8NjAA== X-IronPort-AV: E=McAfee;i="6000,8403,9703"; a="150294097" X-IronPort-AV: E=Sophos;i="5.75,436,1589266800"; d="scan'208";a="150294097" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2020 06:16:12 -0700 IronPort-SDR: EKBN1OgRNE0uvfzN5FUqHq4H8wiWklUxUUj76Kh4Gw4Vo2XoHi84PiRbynxv/YQuHj3j17V6pT /7Kq4olVaNzg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,436,1589266800"; d="scan'208";a="325019322" Received: from ppglcf0013.png.intel.com ([10.226.229.33]) by fmsmga002.fm.intel.com with ESMTP; 05 Aug 2020 06:16:09 -0700 From: Chee Hong Ang To: u-boot@lists.denx.de Cc: Marek Vasut , Simon Goldschmidt , Tom Rini , Ching Liang See , Ley Foon , Chee Hong Ang , Tien Fong , Siew Chin Subject: [PATCH v1 2/2] arm: socfpga: soc64: Show reset state in SPL Date: Wed, 5 Aug 2020 21:15:57 +0800 Message-Id: <20200805131557.117409-3-chee.hong.ang@intel.com> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20200805131557.117409-1-chee.hong.ang@intel.com> References: <20200805131557.117409-1-chee.hong.ang@intel.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 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 0.102.3 at phobos.denx.de X-Virus-Status: Clean Print reset state (warm/cold) together with the source (watchdog/MPU) which has triggered the warm reset on S10 & Agilex. Signed-off-by: Chee Hong Ang Reviewed-by: Ley Foon Tan --- .../include/mach/reset_manager_soc64.h | 1 + arch/arm/mach-socfpga/reset_manager_s10.c | 22 ++++++++++++++++++++++ arch/arm/mach-socfpga/spl_agilex.c | 1 + arch/arm/mach-socfpga/spl_s10.c | 1 + 4 files changed, 25 insertions(+) diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h b/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h index fc60f6a..c8bb727 100644 --- a/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h +++ b/arch/arm/mach-socfpga/include/mach/reset_manager_soc64.h @@ -8,6 +8,7 @@ void reset_deassert_peripherals_handoff(void); int cpu_has_been_warmreset(void); +void print_reset_info(void); void socfpga_bridges_reset(int enable); #define RSTMGR_SOC64_STATUS 0x00 diff --git a/arch/arm/mach-socfpga/reset_manager_s10.c b/arch/arm/mach-socfpga/reset_manager_s10.c index c743077..9f16bf9 100644 --- a/arch/arm/mach-socfpga/reset_manager_s10.c +++ b/arch/arm/mach-socfpga/reset_manager_s10.c @@ -104,3 +104,25 @@ int cpu_has_been_warmreset(void) return readl(socfpga_get_rstmgr_addr() + RSTMGR_SOC64_STATUS) & RSTMGR_L4WD_MPU_WARMRESET_MASK; } + +void print_reset_info(void) +{ + bool iswd; + int n; + u32 stat = cpu_has_been_warmreset(); + + printf("Reset state: %s%s", stat ? "Warm " : "Cold", + (stat & RSTMGR_STAT_SDMWARMRST) ? "[from SDM] " : ""); + + stat &= ~RSTMGR_STAT_SDMWARMRST; + if (!stat) { + puts("\n"); + return; + } + + n = generic_ffs(stat) - 1; + iswd = (n >= RSTMGR_STAT_L4WD0RST_BITPOS); + printf("(Triggered by %s %d)\n", iswd ? "Watchdog" : "MPU", + iswd ? (n - RSTMGR_STAT_L4WD0RST_BITPOS) : + (n - RSTMGR_STAT_MPU0RST_BITPOS)); +} diff --git a/arch/arm/mach-socfpga/spl_agilex.c b/arch/arm/mach-socfpga/spl_agilex.c index bd971ec..0121ff4 100644 --- a/arch/arm/mach-socfpga/spl_agilex.c +++ b/arch/arm/mach-socfpga/spl_agilex.c @@ -76,6 +76,7 @@ void board_init_f(ulong dummy) } preloader_console_init(); + print_reset_info(); cm_print_clock_quick_summary(); firewall_setup(); diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c index b3c6f6a..1f71182 100644 --- a/arch/arm/mach-socfpga/spl_s10.c +++ b/arch/arm/mach-socfpga/spl_s10.c @@ -81,6 +81,7 @@ void board_init_f(ulong dummy) #endif preloader_console_init(); + print_reset_info(); cm_print_clock_quick_summary(); firewall_setup();