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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 56D90C04FF8 for ; Fri, 12 Apr 2024 18:37:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xuA2cB9eEFn3XbPsXbGFKsTS8azpCX8VjX5IxOxRs1c=; b=0vflaUG4JghZhi YSCxzTzPOhQr1AjAZdc/iMd7kznLcdr39GuaL8QB+OYZOQXmQZGsehVZsC+ORPwdzeKqSQslfW/s8 RU0qk6H0HBi21nxs4LmzT1EoSNCUuTEjvRGWB5z8hpwMZMnlI5SByrFqS5ywCgs6bqENtiimDrCM/ F2zqWUQagJf4SXhcsSWLBfieJk2WgGwuuCtNQSrbc51RaFRvfcfJfcyeRBDWwceN5dQ82MAhL3I/+ L6KZyibZsEzFx4z4rp2IugLftWM5qz3U81QyjA0V/VVFWeevOCQ+5Jn33oillwFTZX7U7fyc5iweb rO5wq/JPK6xztI2C9BZA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvLmO-00000000taQ-1ZKk; Fri, 12 Apr 2024 18:37:40 +0000 Received: from mail-dm6nam12on20601.outbound.protection.outlook.com ([2a01:111:f403:2417::601] helo=NAM12-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rvLmD-00000000tTh-0wEH for linux-arm-kernel@lists.infradead.org; Fri, 12 Apr 2024 18:37:30 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=nhGzHPPP+jv+GV92ZzMXzbTOBPEnCbOFoMA7+sn/SzmL0HYAa6Nf8RFh/0ckDa1RgzKrSVMxyF5yoBBF+aZE6bZ7W+mZILsFpArT83x2elN5HBxig9JRBEIb4pCLuMZuFnHUZLgH3qTHBq/2v7HZoZn/sE7lLQxR+itlFHjPxt2hLhy1GOmah4cbBdPdcs7YFgdPRtZv3yRaGUvMqU9yu3OiUwoTAzfjBjcm9F1Ma6xC+4yt6JuHrP4UBR09OvjlZ/jyi7Dnc61ra05FkUGbTVLLK+oss4CWpMRpTcYLAmt3xnHGdfDdM19Aob55TuHqTExi7DIceE/tP2lMKnePkw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=gvoXtu7/OGfkuNx9I+gKcIWKbW2uVASV3rsKoQcoeOw=; b=ApLac3j0EkO3uSll6AjeRuXUsGG+0GyL/74+Y24sxFZnRQ5+EVlUWDUmyGhlxxEkBB7ATiMS9pVQVWj6sKzZ+Z7NAB2pIgUqcKtq9iTqoDn02rbUqdyaRkPnqyPZbzf1EY3ZxuMLN5bZSbxrRlQRwcgfAcJCPo9wUq0j/CeGdci5m5lUyjIGVUnu0E9YXa8v8IIKX3Ba3mXux6Ae4WGVNpllRCfbQk+7LuL+jUpYjZlImeCEz6Bz5acOOj15zuqwCQ5YmJJvO4YI+h5vowYkeUYwK2j0RjTOlwUa8UrES9Ki4DnSc2Qpz9UzqyPuLGwKd7Xs5lktEN7mKblD+v5NRg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=gvoXtu7/OGfkuNx9I+gKcIWKbW2uVASV3rsKoQcoeOw=; b=w68pVKTbkD+XOf+LFNCcfm2h+C3hAXUp7t7HtQz6UkriqUqa5jbyh4FCKku/WjHpc7xK560LBVU55VxWsjsM058IwbKWCP7CXoCTVHawkcO1v/k/zx54VGxPCzrvsw6pG+GtmqvHljk/vR3DxDAa3/t+MPo7DzSazSy/vv1KZnc= Received: from CH2PR03CA0021.namprd03.prod.outlook.com (2603:10b6:610:59::31) by SJ0PR12MB6712.namprd12.prod.outlook.com (2603:10b6:a03:44e::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7409.55; Fri, 12 Apr 2024 18:37:20 +0000 Received: from DS3PEPF000099D4.namprd04.prod.outlook.com (2603:10b6:610:59:cafe::65) by CH2PR03CA0021.outlook.office365.com (2603:10b6:610:59::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7472.19 via Frontend Transport; Fri, 12 Apr 2024 18:37:16 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by DS3PEPF000099D4.mail.protection.outlook.com (10.167.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7452.22 via Frontend Transport; Fri, 12 Apr 2024 18:37:16 +0000 Received: from SATLEXMB08.amd.com (10.181.40.132) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 12 Apr 2024 13:37:15 -0500 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB08.amd.com (10.181.40.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 12 Apr 2024 11:37:15 -0700 Received: from xsjtanmays50.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Fri, 12 Apr 2024 13:37:14 -0500 From: Tanmay Shah To: , , , , , , , CC: , , , Subject: [PATCH v15 4/4] remoteproc: zynqmp: parse TCM from device tree Date: Fri, 12 Apr 2024 11:37:08 -0700 Message-ID: <20240412183708.4036007-5-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240412183708.4036007-1-tanmay.shah@amd.com> References: <20240412183708.4036007-1-tanmay.shah@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D4:EE_|SJ0PR12MB6712:EE_ X-MS-Office365-Filtering-Correlation-Id: a86d4f46-9f31-4fa8-424f-08dc5b1f93ec X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(376005)(1800799015)(82310400014)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Apr 2024 18:37:16.2834 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a86d4f46-9f31-4fa8-424f-08dc5b1f93ec X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D4.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB6712 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240412_113729_324520_315F1B38 X-CRM114-Status: GOOD ( 25.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org ZynqMP TCM information was fixed in driver. Now ZynqMP TCM information is available in device-tree. Parse TCM information in driver as per new bindings. Signed-off-by: Tanmay Shah --- Changes in v15: - Use hardcode TCM addresses as fallback method if "reg" unavailable - Remove Versal and Versal-net support Changes in v14: - Add Versal platform support - Add Versal-NET platform support - Maintain backward compatibility for ZynqMP platform and use hardcode TCM addresses - Configure TCM based on xlnx,tcm-mode property for Versal - Avoid TCM configuration if that property isn't available in dt drivers/remoteproc/xlnx_r5_remoteproc.c | 127 ++++++++++++++++++++++-- 1 file changed, 120 insertions(+), 7 deletions(-) diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c index 0f942440b4e2..7b1c12108bff 100644 --- a/drivers/remoteproc/xlnx_r5_remoteproc.c +++ b/drivers/remoteproc/xlnx_r5_remoteproc.c @@ -74,8 +74,8 @@ struct mbox_info { }; /* - * Hardcoded TCM bank values. This will be removed once TCM bindings are - * accepted for system-dt specifications and upstreamed in linux kernel + * Hardcoded TCM bank values. This will stay in driver to maintain backward + * compatibility with device-tree that does not have TCM information. */ static const struct mem_bank_data zynqmp_tcm_banks_split[] = { {0xffe00000UL, 0x0, 0x10000UL, PD_R5_0_ATCM, "atcm0"}, /* TCM 64KB each */ @@ -761,6 +761,103 @@ static struct zynqmp_r5_core *zynqmp_r5_add_rproc_core(struct device *cdev) return ERR_PTR(ret); } +static int zynqmp_r5_get_tcm_node_from_dt(struct zynqmp_r5_cluster *cluster) +{ + int i, j, tcm_bank_count, ret, tcm_pd_idx, pd_count; + struct of_phandle_args out_args; + struct zynqmp_r5_core *r5_core; + struct platform_device *cpdev; + struct mem_bank_data *tcm; + struct device_node *np; + struct resource *res; + u64 abs_addr, size; + struct device *dev; + + for (i = 0; i < cluster->core_count; i++) { + r5_core = cluster->r5_cores[i]; + dev = r5_core->dev; + np = r5_core->np; + + pd_count = of_count_phandle_with_args(np, "power-domains", + "#power-domain-cells"); + + if (pd_count <= 0) { + dev_err(dev, "invalid power-domains property, %d\n", pd_count); + return -EINVAL; + } + + /* First entry in power-domains list is for r5 core, rest for TCM. */ + tcm_bank_count = pd_count - 1; + + if (tcm_bank_count <= 0) { + dev_err(dev, "invalid TCM count %d\n", tcm_bank_count); + return -EINVAL; + } + + r5_core->tcm_banks = devm_kcalloc(dev, tcm_bank_count, + sizeof(struct mem_bank_data *), + GFP_KERNEL); + if (!r5_core->tcm_banks) + return -ENOMEM; + + r5_core->tcm_bank_count = tcm_bank_count; + for (j = 0, tcm_pd_idx = 1; j < tcm_bank_count; j++, tcm_pd_idx++) { + tcm = devm_kzalloc(dev, sizeof(struct mem_bank_data), + GFP_KERNEL); + if (!tcm) + return -ENOMEM; + + r5_core->tcm_banks[j] = tcm; + + /* Get power-domains id of TCM. */ + ret = of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", + tcm_pd_idx, &out_args); + if (ret) { + dev_err(r5_core->dev, + "failed to get tcm %d pm domain, ret %d\n", + tcm_pd_idx, ret); + return ret; + } + tcm->pm_domain_id = out_args.args[0]; + of_node_put(out_args.np); + + /* Get TCM address without translation. */ + ret = of_property_read_reg(np, j, &abs_addr, &size); + if (ret) { + dev_err(dev, "failed to get reg property\n"); + return ret; + } + + /* + * Remote processor can address only 32 bits + * so convert 64-bits into 32-bits. This will discard + * any unwanted upper 32-bits. + */ + tcm->da = (u32)abs_addr; + tcm->size = (u32)size; + + cpdev = to_platform_device(dev); + res = platform_get_resource(cpdev, IORESOURCE_MEM, j); + if (!res) { + dev_err(dev, "failed to get tcm resource\n"); + return -EINVAL; + } + + tcm->addr = (u32)res->start; + tcm->bank_name = (char *)res->name; + res = devm_request_mem_region(dev, tcm->addr, tcm->size, + tcm->bank_name); + if (!res) { + dev_err(dev, "failed to request tcm resource\n"); + return -EINVAL; + } + } + } + + return 0; +} + /** * zynqmp_r5_get_tcm_node() * Ideally this function should parse tcm node and store information @@ -839,9 +936,16 @@ static int zynqmp_r5_core_init(struct zynqmp_r5_cluster *cluster, struct zynqmp_r5_core *r5_core; int ret, i; - ret = zynqmp_r5_get_tcm_node(cluster); - if (ret < 0) { - dev_err(dev, "can't get tcm node, err %d\n", ret); + r5_core = cluster->r5_cores[0]; + + /* Maintain backward compatibility for zynqmp by using hardcode TCM address. */ + if (of_find_property(r5_core->np, "reg", NULL)) + ret = zynqmp_r5_get_tcm_node_from_dt(cluster); + else + ret = zynqmp_r5_get_tcm_node(cluster); + + if (ret) { + dev_err(dev, "can't get tcm, err %d\n", ret); return ret; } @@ -906,16 +1010,25 @@ static int zynqmp_r5_cluster_init(struct zynqmp_r5_cluster *cluster) * fail driver probe if either of that is not set in dts. */ if (cluster_mode == LOCKSTEP_MODE) { - tcm_mode = PM_RPU_TCM_COMB; fw_reg_val = PM_RPU_MODE_LOCKSTEP; } else if (cluster_mode == SPLIT_MODE) { - tcm_mode = PM_RPU_TCM_SPLIT; fw_reg_val = PM_RPU_MODE_SPLIT; } else { dev_err(dev, "driver does not support cluster mode %d\n", cluster_mode); return -EINVAL; } + if (of_find_property(dev_node, "xlnx,tcm-mode", NULL)) { + ret = of_property_read_u32(dev_node, "xlnx,tcm-mode", (u32 *)&tcm_mode); + if (ret) + return ret; + } else { + if (cluster_mode == LOCKSTEP_MODE) + tcm_mode = PM_RPU_TCM_COMB; + else + tcm_mode = PM_RPU_TCM_SPLIT; + } + /* * Number of cores is decided by number of child nodes of * r5f subsystem node in dts. If Split mode is used in dts -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel