From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C8752676C2 for ; Thu, 1 May 2025 22:54:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746140079; cv=none; b=MoKXJJc+a4zkHaU42rWrUxexdpukebnhivnAwCucVkKepW43O+rqPS03vrD1JGBSxoLOnvvmSxE2ErQHa02qow7ISUEPZcF1OaBwzluSlQxZEZIjAKkHirWvFXWvYzcWPYtfgwcy8SyQqlSWEKWUvphkFLiybtZQwzKyjQRAZpM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746140079; c=relaxed/simple; bh=i6yz9gUqfNMOsLuVXEHqI35HTlMqcDcrJcOqHz69YgQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=aR5n7hBJU0fXCeAAdUWSTyMl0ilu1qkwQcFENk8bZzezU+oFFZ4nrPgqS6czkrPdv82UnzcIODmcmJUde2TU5QfgS1BEgcIEBye+tT7C+c4glVAA27Akvj9pKkKAdPO6JMGXS30bzeKjJkGvS3tGbHBgC3QnCre1WQ6MelSNLcU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QjGMDxI3; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QjGMDxI3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1746140079; x=1777676079; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=i6yz9gUqfNMOsLuVXEHqI35HTlMqcDcrJcOqHz69YgQ=; b=QjGMDxI37CHew25RakAt/1GjzH0/fBDt6o+EVhM9/DR2YaaDpfv/VJz3 RpskITpcZcLLk6QFiu3YtYlTd8ZVllFImMGAB6iqiKnfjwDTrHCKFBtmg TK1CXrWE1wq4KpJuF9U2hQXDgRlg3v9GxnhSQA8YuoiUUs/Zt+wsUVAg2 KX16KuMktZDSxkMDkMd87SiyNBcXS0MLiP0eN+dqsq3/UUkwpFBmapgGJ CsdZWfENay/9LwTOIISvSVlS8OUi/m3FZ17qVIHitByRvReY8rS5lYmQ3 sqY5LMTAk1NDhuHsMkKLzFzpoMCL8pMjL9qWrntgheKtxfiZbFjrEuWxM A==; X-CSE-ConnectionGUID: 9ch1VPK/S92IgXzCrbzDSg== X-CSE-MsgGUID: BkrO0CeeSYaUaDBhOh0wBg== X-IronPort-AV: E=McAfee;i="6700,10204,11420"; a="58811730" X-IronPort-AV: E=Sophos;i="6.15,254,1739865600"; d="scan'208";a="58811730" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 May 2025 15:54:35 -0700 X-CSE-ConnectionGUID: XOZrdu4/SbKb7PyJMwEjbA== X-CSE-MsgGUID: 4GZuejl/Rf+Pk4WTcNSU4w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,254,1739865600"; d="scan'208";a="138514294" Received: from jekeller-desk.jf.intel.com ([10.166.241.15]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 May 2025 15:54:34 -0700 From: Jacob Keller Date: Thu, 01 May 2025 15:54:19 -0700 Subject: [PATCH v4 08/15] ice: clear time_sync_en field for E825-C during reprogramming Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250501-kk-tspll-improvements-alignment-v4-8-24c83d0ce7a8@intel.com> References: <20250501-kk-tspll-improvements-alignment-v4-0-24c83d0ce7a8@intel.com> In-Reply-To: <20250501-kk-tspll-improvements-alignment-v4-0-24c83d0ce7a8@intel.com> To: Intel Wired LAN , Anthony Nguyen , netdev Cc: Jacob Keller , Michal Kubiak , Aleksandr Loktionov , Karol Kolacinski , Przemek Kitszel , Milena Olech , Paul Menzel X-Mailer: b4 0.14.2 When programming the Clock Generation Unit for E285-C hardware, we need to clear the time_sync_en bit of the DWORD 9 before we set the frequency. Co-developed-by: Karol Kolacinski Signed-off-by: Karol Kolacinski Signed-off-by: Jacob Keller --- drivers/net/ethernet/intel/ice/ice_tspll.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_tspll.c b/drivers/net/ethernet/intel/ice/ice_tspll.c index 2cc728c2b67897940af75cb0bc3bfaf5fd8e6869..8de1ad1da8346d4be4224b923de3baeffc954198 100644 --- a/drivers/net/ethernet/intel/ice/ice_tspll.c +++ b/drivers/net/ethernet/intel/ice/ice_tspll.c @@ -285,6 +285,11 @@ static int ice_tspll_cfg_e825c(struct ice_hw *hw, enum ice_tspll_freq clk_freq, ICE_WRITE_CGU_REG_OR_DIE(hw, ICE_CGU_R23, dw23.val); } + if (dw9.time_sync_en) { + dw9.time_sync_en = 0; + ICE_WRITE_CGU_REG_OR_DIE(hw, ICE_CGU_R9, dw9.val); + } + /* Set the frequency */ dw9.time_ref_freq_sel = clk_freq; @@ -296,6 +301,7 @@ static int ice_tspll_cfg_e825c(struct ice_hw *hw, enum ice_tspll_freq clk_freq, dw9.time_ref_en = 1; dw9.clk_eref0_en = 0; } + dw9.time_sync_en = 1; ICE_WRITE_CGU_REG_OR_DIE(hw, ICE_CGU_R9, dw9.val); /* Choose the referenced frequency */ -- 2.48.1.397.gec9d649cc640