From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (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 A40DD22334 for ; Wed, 30 Oct 2024 01:37:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730252251; cv=none; b=D/P5rdAQebe9l5ej5nGjRT0IpvMXDTBBRZA3UdP5Kmd7N7KhXY0MwtjJrRMfgJIIlij7IVid6PMfA8y45z0LGV7hoRZBNRMBdmBTy8dA4u3PwSiU53oTRQcr+ZdgoTvrHVzkkwQW1ibHCkPsiiqVJnB7Ul/kuqWdfGcJUv2tHb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730252251; c=relaxed/simple; bh=u0wRbUpUbd8eRidaKgPD3AVQ7UgkD56WXefRXLDR0es=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Ez9zAx4s3LDF1lZB+dc9U7CidB3Ei2MVtdlk94FvxTWgQI5vCI5vgMRII3VgdGWMKW3HJNi2wzcAU71YxyUl4b+PrQ+cfLsnyI6PticZa6OC+dRUjLvY3PqmmG6wOD01D8WXd9kBRXA+A4qbxvNYaHHYVNdQxGj1NGj8tWwMvuE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=hu+QhaOM; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="hu+QhaOM" X-UUID: 82338ce0965f11efbd192953cf12861f-20241030 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=ayZ15KMuy8YT+MalqR6y/T6iKNCjhQrVgR1kRLPQd8c=; b=hu+QhaOMh3IrLFvqwZd/WEKxQXvaXr35Q6m6glSUKLb8MU7+YwppaOrtOtu4bu77qjYEXHKM35HhCjdgDq+mfplwXiJFN7OocYsuGrRT4moiMukxDMVblVD97LLqwYnz2SnfodyqcahZJn7KXaK1FwyHG1LUl8K0kpc5aDBLR28=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.42,REQID:1d44a4da-e243-46bb-832f-30c44d4b998b,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:b0fcdc3,CLOUDID:f6d46448-ca13-40ea-8070-fa012edab362,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 82338ce0965f11efbd192953cf12861f-20241030 Received: from mtkmbs09n2.mediatek.inc [(172.21.101.94)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 554073609; Wed, 30 Oct 2024 09:37:22 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 30 Oct 2024 09:37:20 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 30 Oct 2024 09:37:20 +0800 From: Karl.Li To: Matthias Brugger , AngeloGioacchino Del Regno CC: , , , Karl Li , Chungying Lu , , , , Karl Li Subject: [PATCH v2 0/1] Add MediaTek APU SMC call Definition Date: Wed, 30 Oct 2024 09:35:27 +0800 Message-ID: <20241030013533.855696-1-karl.li@mediatek.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain From: Karl Li Based on tag: next-20241029, linux-next/master Hello, This patch introduces the SMC calls for MediaTek APU. The start and stop sequences of the APU microprocessor are managed within the ARM Trusted Firmware (ATF), which requires a secure and reliable communication channel to issue commands from the non-secure world. This patch adds the necessary infrastructure to issue these SMC calls, ensuring that the APU can be securely managed by the system's software. Please review and provide feedback. Best regards --- Changes in v2: - Move header file to include/linux/firmware/mediatek/ - Rename header file name to mtk-apu.h - Update define macro name to __MEDIATEK Karl Li (1): soc: mediatek: Add command for APU SMC call include/linux/firmware/mediatek/mtk-apu.h | 32 +++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 include/linux/firmware/mediatek/mtk-apu.h -- 2.18.0