From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <shreyansh.jain@nxp.com>
Received: from NAM01-BY2-obe.outbound.protection.outlook.com
(mail-by2nam01on0072.outbound.protection.outlook.com [104.47.34.72])
by dpdk.org (Postfix) with ESMTP id 02EC0532C
for <dev@dpdk.org>; Fri, 16 Jun 2017 07:32:38 +0200 (CEST)
Received: from MWHPR03CA0044.namprd03.prod.outlook.com (10.174.173.161) by
BY2PR0301MB0597.namprd03.prod.outlook.com (10.160.124.28) with Microsoft SMTP
Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id
15.1.1157.12; Fri, 16 Jun 2017 05:32:36 +0000
Received: from BL2FFO11FD027.protection.gbl (2a01:111:f400:7c09::115) by
MWHPR03CA0044.outlook.office365.com (2603:10b6:301:3b::33) with Microsoft
SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1178.14 via
Frontend Transport; Fri, 16 Jun 2017 05:32:36 +0000
Authentication-Results: spf=fail (sender IP is 192.88.168.50)
smtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed)
header.d=none;nxp.com; dmarc=fail action=none header.from=nxp.com;
Received-SPF: Fail (protection.outlook.com: domain of nxp.com does not
designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com;
client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net;
Received: from tx30smr01.am.freescale.net (192.88.168.50) by
BL2FFO11FD027.mail.protection.outlook.com (10.173.161.106) with Microsoft
SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id
15.1.1157.12 via Frontend Transport; Fri, 16 Jun 2017 05:32:35 +0000
Received: from Tophie.ap.freescale.net ([10.232.14.39])
by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id v5G5WNF4001003;
Thu, 15 Jun 2017 22:32:33 -0700
From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: <dev@dpdk.org>
CC: <ferruh.yigit@intel.com>, <hemant.agrawal@nxp.com>
Date: Fri, 16 Jun 2017 11:10:35 +0530
Message-ID: <1497591668-3320-6-git-send-email-shreyansh.jain@nxp.com>
X-Mailer: git-send-email 2.7.4
In-Reply-To: <1497591668-3320-1-git-send-email-shreyansh.jain@nxp.com>
References: <1497591668-3320-1-git-send-email-shreyansh.jain@nxp.com>
X-EOPAttributedMessage: 0
X-Matching-Connectors: 131420647558095078;
(91ab9b29-cfa4-454e-5278-08d120cd25b8); ()
X-Forefront-Antispam-Report: CIP:192.88.168.50; IPV:NLI; CTRY:US; EFV:NLI;
SFV:NSPM;
SFS:(10009020)(6009001)(336005)(39450400003)(39860400002)(39840400002)(39400400002)(39850400002)(39380400002)(39410400002)(2980300002)(1110001)(1109001)(339900001)(189002)(199003)(9170700003)(85426001)(77096006)(356003)(2950100002)(8676002)(53936002)(81166006)(8936002)(50466002)(110136004)(6916009)(33646002)(50226002)(4326008)(305945005)(105606002)(38730400002)(104016004)(86362001)(2906002)(36756003)(5660300001)(50986999)(498600001)(2351001)(48376002)(76176999)(5003940100001)(47776003)(54906002)(189998001)(8656002)(106466001)(2004002);
DIR:OUT; SFP:1101; SCL:1; SRVR:BY2PR0301MB0597; H:tx30smr01.am.freescale.net;
FPR:; SPF:Fail; MLV:ovrnspm; MX:1; A:1; PTR:InfoDomainNonexistent; LANG:en;
X-Microsoft-Exchange-Diagnostics: 1; BL2FFO11FD027;
1: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
MIME-Version: 1.0
Content-Type: text/plain
X-MS-PublicTrafficType: Email
X-MS-TrafficTypeDiagnostic: BY2PR0301MB0597:
X-MS-Office365-Filtering-Correlation-Id: 85ef90f7-fd03-4534-20e6-08d4b4791851
X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0;
RULEID:(22001)(201703131430075)(201703131517081); SRVR:BY2PR0301MB0597;
X-Microsoft-Exchange-Diagnostics: 1; BY2PR0301MB0597;
3:XtFtPB7hH27LvlpIuqr9U7dMpiUtvjLkY+Unz/mrlgaVqq3wM7vw0jMPNzZLX2XipRasPch9QgRc4IZgg6PfEb/JiN+q4pApriIGcW2AM2MMtu/wAIC+WfCibNRUy5yzTfLiBkxf7objyszkOFtUvwGjc4NLfP5OyWMbd92iLtvxnfeF1qKZix1BTcmNqTWKBXLejW1ehe6HASSpUaooahjlKZ/VQn2THUZlK83PB35+Cu7WSjlYlMWyJ37gZ6knnpb2TCJoATblbVdp/LKrww/snh+mpf4DMENLLl7OD3/GrWNVV9LgQaqTG9dJ1k0V2gx67C06naImv9QabfJHy7K56qCXbIKbsFPloxVrd1bHrKMLz34+uyzLZ7hvxkMDArO640bWlhE9kCp9KL/uK6jsvXrip/FCOJ0jMAqg/+BSpYSX/wiF9ADLhiQWiOXl;
25:K2VHudoVASSS8p6rKoWNwEbk0e6rdu9BF2iPiMZgJBfOzEKhuR/5QAyXVigup4PEghzFeq8d4nTXXUHA+i+jfiXct4Qna4If/39gSOr4SvYnkBzWri43L5C7X0uSQz+pxXoxq5iyeelI/GHusvkLUxGDvEZKRL1KTHG86yT5B99SqZwSibbYw2cmkX9JGitatB7aEEQ718DAEQE0G0YA6Fl+fGnQySJ6KkETQf78R530M5d0CpjrpOhfSsE81qH9kb4WmSqzXYZ0WDuPOrIr/kvPVa4jrYWrbFefgV0du0IuWAaO4KFa4e1Me7eYzl2tCNCglep7dKmzjAp1foj7N3W4UWoPZOwEOtfmVeg/I60x0AjE/K+e4cx3VjzYawcaI66LyQkEdFkhP2QtzUljyo50XRRlo71nBS5CtOy8iIxS46D11DIKhhk+f2uNHftD19dawvEsVnQrAPzQnjgu6vBWoV2K0VnM/VvM4srwnKU=
X-Microsoft-Exchange-Diagnostics: 1; BY2PR0301MB0597;
31:dc5lSSrpsCgq0VOLRRMp0/mR/FLcOn/A05wFgRTCIiwQWSqYIDvN4COVz7bGzImo4UZ7rp88GraORTYZdRsXjrxOWZSD6ZZpIUIe9G0Zp/2emtnN9ioK2z8CYJKus2bdya5DDKUS14e77Zaak71SDlBnw7R9t/hVvASreLAIrCQfm8cfSj/cLVjg3zvAS03LHzV4LR84dXUaoN0lJd2xOmOc4iOUNUeSqfmscVtBWLqUqY1GjawySjcTXRMFwtPR
X-Microsoft-Antispam-PRVS: <BY2PR0301MB0597DB103D97F1429F02E9F990C10@BY2PR0301MB0597.namprd03.prod.outlook.com>
X-Exchange-Antispam-Report-Test: UriScan:(185117386973197);
X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0;
RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6095135)(601004)(2401047)(13016025)(8121501046)(5005006)(13018025)(10201501046)(3002001)(100000703101)(100105400095)(93006095)(93001095)(6055026)(6096035)(20161123565025)(20161123563025)(201703131430075)(201703131441075)(201703131448075)(201703131433075)(201703161259150)(20161123559100)(20161123556025)(20161123561025)(100000704101)(100105200095)(100000705101)(100105500095);
SRVR:BY2PR0301MB0597; BCL:0; PCL:0;
RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(400006)(100000804101)(100110200095)(100000805101)(100110500095);
SRVR:BY2PR0301MB0597;
X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BY2PR0301MB0597;
4:dVcV86u4bCYfRJ+cBEGAMDG9nOHGNJHy9fA4RRVQ?=
=?us-ascii?Q?i7W7qkERcA2ZaYK0vFT0OtqJRUMqPmBPQwZRsATvcmyDrLpZAU2b8VuWYW3a?=
=?us-ascii?Q?pPYAN023T9GDqD0eUA44qh4P331tPuoFsyHZuD0foSaHZavYSLwtcDG1/GXF?=
=?us-ascii?Q?ngTXGDSDCstLtOS+UZwArVCWnZsEnlNFaOa8z+CISV8cMJ2SVNsgKFgJJu1Y?=
=?us-ascii?Q?t9KJjFLw6EI2gvBGE9InTEGz8YxuM24mkgVIY9kKoxqk6xFrrRPt7xxZsK08?=
=?us-ascii?Q?R7Fu1hyiaahCsNBAPpHrLgvJFaOaE0vM/cos4qruLrn3iqidCr3Elrnjvh1A?=
=?us-ascii?Q?2hqt3fItuRt6BthLczSkGPadwIhkGs+foipsNCdTM15WCT4EmgGXSXFZPWdn?=
=?us-ascii?Q?GIGXfmhlaBfLkk0hHRp01QU9lV8xJ++O6Ul8Fp1VU3pl5vMmyUS1LdZi5l8u?=
=?us-ascii?Q?QBBENshoeADDD4VBYQb4xFtQn3eJ1Ij43NiS0MGj5rKXIIq2CPH3fwmxnMCy?=
=?us-ascii?Q?9Ta0BQQWXVC6w/uIP4fATsKXUQpLlSmSKVN8ltxiH9sWzDg7NqAQPqklvbf7?=
=?us-ascii?Q?y5eh3EDqslQ0QKaxw8/5Uu8kJbqdc/LiJjtsd/SXJXvYzvpS//09igSFKLQH?=
=?us-ascii?Q?A9jdAYIv8WH3EMiOwRxWzNznR2+h22ZrBH0yHlWPgQiZBiXvbhNuKLVVJX+q?=
=?us-ascii?Q?x7VIX7p+8kgH5R9KBU2WbyhdO6mmpiJ/X4+M81vhw5e1T750YFaErNK6RR4q?=
=?us-ascii?Q?k7JlK3xLQHgy7dUoRmvk2sKCWEMj6gN+wecqsJTzEI04MJjZxVmwapWvs1+n?=
=?us-ascii?Q?Js4U19v8VCYPrbBol3beaVqMrc1Nm4eSpJJMOsAFoErA7+f61l2IsCt4tRig?=
=?us-ascii?Q?4o9fBpfITkbqoTClpRF7XkdXvhGyGk9ZjUgTUaV/A9Y7qniQeISmG3rB9nZv?=
=?us-ascii?Q?/id5nU2YOukoqKuVyKM/69vSDilDNhiKbd//YAGcjOYkDzo5wxhJAWJLYrw2?=
=?us-ascii?Q?aEWAF82s48PcllnykCVZGN02YP+jGMSZ+vBsvhV09HVBLJUA83yRW/XuQBuy?=
=?us-ascii?Q?G16k6XY1U0S0OdIq4ZJkV89a6Ey5OAgKHoZ3OY9e9zqK14G/Nl5rqba9Qh3R?=
=?us-ascii?Q?kn8QYe1Oov6hsNUfcAku+knh6FZLG7q2qJ2W0ccVUhYdRXWS1iDGBk/jE4Fi?=
=?us-ascii?Q?Wlg6elEtPciror5OJkjTrHxd8WIhxFT9b9BJiQHSuUWTUC4Bjbm1jTYtHZCs?=
=?us-ascii?Q?lqTG2ncLDFC2RlntBWg=3D?=
X-Forefront-PRVS: 0340850FCD
X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BY2PR0301MB0597;
23:m5U36sQYFkPdmlu1Kc3EZE7iNJHnZyZGtbDQy2W?=
=?us-ascii?Q?BUmm1z+HOs/mxvmuODqrR4mCmG6HcshgQPp2+aP0qssVRYNO4PVEGYB8vUBS?=
=?us-ascii?Q?Tt8vbZtDe68Qhr3jrHuJ39TorOQo3lPNR7k3L99neb2QeXud7pIlNO0WnRoI?=
=?us-ascii?Q?H18N0zUx3NkInqO6gbfDfL3fLTBHJrCu8ONl4puvzm/GrcCpQzk+FE6hJNfm?=
=?us-ascii?Q?a4mzfS/h4xlnLonOUvln5JMaItjnrDeoMim3E5rkzW5oRsJ8LI9euE6+e/JU?=
=?us-ascii?Q?6sILlufR3w5TmZATRUcBXkOxP6q0zgFGgihccXZaR/xEq08G7xnobpXGx0E6?=
=?us-ascii?Q?OeAeXf4eAz3M0a1DOBAJ6q+7mEtWEuYCf66aM2iZiLNhoFnB9ifzB9VN7D/b?=
=?us-ascii?Q?h2pZHmVxO5MZPXOsI8GCZwPMlmrlaqKggPLA3+hWdVJ6uuoJwE4fZokHF3Kd?=
=?us-ascii?Q?y+/q8CoeXz6hLlXj62DGdFpAVcYpaUbj7KH020jA4Al1LPrE9cqBEJNP/IaT?=
=?us-ascii?Q?ifM9RGqCQIhYxbJSMGCZ53SFvg1tTPaZyfezw7gf8yypRnWwZKZHDN2vggyl?=
=?us-ascii?Q?S8xI/oFD9A3qIBpBHlUaznE41wIdwUqv5QdA/Psz+KJ2oS8L2ITWo0v5o0gB?=
=?us-ascii?Q?MpOsPzHfjGQhA+J4uC44/3tB7PbbHuu0Kopp0PkAPrwwm6CUb6ln9d7ugofg?=
=?us-ascii?Q?N/aohVv9pMEVL540iu8VhVtQ3iBbl5hURZyRLghZcnZmr/bwsrDvOxPgduV3?=
=?us-ascii?Q?VfyATeSxHxu91D2Rd0TilYSO3OD2behveTEQlaK3eanbeBU5Pmbnue/cw3it?=
=?us-ascii?Q?1EMaDw2cVSpDY1pCq1tqP+hRhN7FxIDt54c4l0ed0X+XbJ4kyeVk8MNgSspX?=
=?us-ascii?Q?sl1rSnniYyvsd42JQ8iBbhCudMhVdaMzOr2gptHoVzj5YHOVfW79jMPLfnuS?=
=?us-ascii?Q?1Z8oVJ3QNRrbowgam82gx7uqX3j+ueEInn8cReEeo5KQVnQF5sgk681WEMHD?=
=?us-ascii?Q?Op3mZqRJqBCt+1mJIe57MkzXf0lNXtgN0K239KNijzaXtPV8PyZRIN6gIfsd?=
=?us-ascii?Q?8173M8LSg+UCkS4h/4YHcXBu+EsW84LTAxOpt1D+6MkW9c3qzXz2bhOziqQu?=
=?us-ascii?Q?wFkbTy6bOdxZXez4vAbpX5Lsj7+e8Pwv+sPTbGYfZ7EHtnj+TMBcQC/UkQvX?=
=?us-ascii?Q?gXAON1WRKizkyxa7Lg2/yI+v32mDZEK7Ya0rbodcE9Txm1xrFHIeVzAaAMv6?=
=?us-ascii?Q?g+TIJD28y2Eac5/I2RUs=3D?=
X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; BY2PR0301MB0597;
6:Q8ZR8NSe3XojXRcLMxsQMbi8Ej8kGBL0y0vVM06N?=
=?us-ascii?Q?3bmY6BMittalirmM04x7bobEh9i/8M8lJOFmvERPsXG9dSgTwQqK4lNNofad?=
=?us-ascii?Q?auPtsbZmQI2YJLkPtqHjpfuXXwU105Yw8eanv4j8V4D/gSd/DB1WPb+TiG2g?=
=?us-ascii?Q?+cpi3OjL8mDWrcs6KM5oCagmcNiJ4LOsv7NmPHmjYKHfhyEBd5/OChZd8MCD?=
=?us-ascii?Q?wV61wRiJAqWrA3bTEFtFjiRjUJ/4gYFuwDqI1cLp64ryoYY/8Da/C1TsM9lb?=
=?us-ascii?Q?3DAOYS+o+1iqPs2g2eL3oDxIfig/ocw2Js3T2SNrlzINWLtSXFolFJP6G8pv?=
=?us-ascii?Q?GzBlkJ82qd6owXdJTwWpfyj7YK/kbYM4r5n9gbNtnLDzj8qkzyJY+nMxXHe/?=
=?us-ascii?Q?7DCXGbhTWV2lBUDXFlgFWkijj3jx/6qmdBCbtgGcbeNtBB8n7RS7ETPxVljq?=
=?us-ascii?Q?VKKQu2BqcdRG+lxDIIwVPUhtP7Sl1aqP069IBUFZwIYyruZOAJvgN3RkOZOv?=
=?us-ascii?Q?5k6EO5AeEgPO5NC4VuuR1TGXEUOYeOq76U8H2/pLEZYA0XRXdAV5uJHMsjRj?=
=?us-ascii?Q?uiJqy2NbuN1uFzAdSVh05kB6Ldfade0u6Zs2/pvmcXM708NATWMUlXZXSPhm?=
=?us-ascii?Q?OVlhVxRA2VJnxaWxUPtb2y9gHqVd4sCz7j71aKzd2sOPr5eA/5AERSEp226x?=
=?us-ascii?Q?RczI2uHar/QAbL9m58gYft1LNla5hkXJhIrZXjQoF+9GFvUs9mBBlLr13fg7?=
=?us-ascii?Q?HTyh4Td2nNEtJzSbmaV6nxkhyDLU+Q85ZHbQEUuaaD4iwVvGAtnlFel86tlC?=
=?us-ascii?Q?LKPcGNwl6OzpMy1kyHqfMxNSwkmCVTdB30GWBgWVCl+6imP5hnwG9bFQ/lcB?=
=?us-ascii?Q?qTAVT1a/MIqRupYt2sPzuoLoMsFHVLVwdFPowv9DQmEEcoDE5a2sbosIvMlV?=
=?us-ascii?Q?6i67SBR4LdJr7N7Puy0ZPM8E0hW0+fxAaw6RXWBwzQ=3D=3D?=
X-Microsoft-Exchange-Diagnostics: 1; BY2PR0301MB0597;
5: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;
24:nMYH+Z7QRLmK1oOSc6527qOUBCIKkjVsti/3bFxbHyGFMUo7XSHpDtjyZpm3hFenkWlgR3+MEXXk5lBcLX1t8Me7njYNxhNFxxiWv/MSvWs=
SpamDiagnosticOutput: 1:99
SpamDiagnosticMetadata: NSPM
X-Microsoft-Exchange-Diagnostics: 1; BY2PR0301MB0597;
7: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
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jun 2017 05:32:35.6379 (UTC)
X-MS-Exchange-CrossTenant-Id: 5afe0b00-7697-4969-b663-5eab37d5f47e
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e; Ip=[192.88.168.50];
Helo=[tx30smr01.am.freescale.net]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR0301MB0597
Subject: [dpdk-dev] [PATCH 05/38] bus/dpaa: add OF parser for device scanning
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Fri, 16 Jun 2017 05:32:39 -0000
This layer is used by Bus driver's scan function. Devices are parsed
using OF parser and added to DPAA device list.
Signed-off-by: Geoff Thorpe <geoff.thorpe@nxp.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---
drivers/bus/dpaa/Makefile | 7 +
drivers/bus/dpaa/base/fman/of.c | 576 ++++++++++++++++++++++++++++++++++++++++
drivers/bus/dpaa/include/of.h | 191 +++++++++++++
3 files changed, 774 insertions(+)
create mode 100644 drivers/bus/dpaa/base/fman/of.c
create mode 100644 drivers/bus/dpaa/include/of.h
diff --git a/drivers/bus/dpaa/Makefile b/drivers/bus/dpaa/Makefile
index f44f3c4..cc685d1 100644
--- a/drivers/bus/dpaa/Makefile
+++ b/drivers/bus/dpaa/Makefile
@@ -45,7 +45,12 @@ CFLAGS += -O3
CFLAGS += $(WERROR_FLAGS)
endif
+CFLAGS +=-Wno-pointer-arith
+CFLAGS +=-Wno-cast-qual
+CFLAGS += -D _GNU_SOURCE
+
CFLAGS += -I$(RTE_BUS_DPAA)/
+CFLAGS += -I$(RTE_BUS_DPAA)/include
CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include
@@ -59,5 +64,7 @@ LIBABIVER := 1
SRCS-$(CONFIG_RTE_LIBRTE_DPAA_BUS) += \
dpaa_bus.c
+SRCS-$(CONFIG_RTE_LIBRTE_DPAA_BUS) += \
+ base/fman/of.c \
include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/bus/dpaa/base/fman/of.c b/drivers/bus/dpaa/base/fman/of.c
new file mode 100644
index 0000000..6cc3987
--- /dev/null
+++ b/drivers/bus/dpaa/base/fman/of.c
@@ -0,0 +1,576 @@
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * BSD LICENSE
+ *
+ * Copyright 2010-2016 Freescale Semiconductor Inc.
+ * Copyright 2017 NXP.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <of.h>
+#include <rte_dpaa_logs.h>
+
+static int alive;
+static struct dt_dir root_dir;
+static const char *base_dir;
+static COMPAT_LIST_HEAD(linear);
+
+static int
+of_open_dir(const char *relative_path, struct dirent ***d)
+{
+ int ret;
+ char full_path[PATH_MAX];
+
+ snprintf(full_path, PATH_MAX, "%s/%s", base_dir, relative_path);
+ ret = scandir(full_path, d, 0, versionsort);
+ if (ret < 0)
+ DPAA_BUS_LOG(ERR, "Failed to open directory %s",
+ full_path);
+ return ret;
+}
+
+static void
+of_close_dir(struct dirent **d, int num)
+{
+ while (num--)
+ free(d[num]);
+ free(d);
+}
+
+static int
+of_open_file(const char *relative_path)
+{
+ int ret;
+ char full_path[PATH_MAX];
+
+ snprintf(full_path, PATH_MAX, "%s/%s", base_dir, relative_path);
+ ret = open(full_path, O_RDONLY);
+ if (ret < 0)
+ DPAA_BUS_LOG(ERR, "Failed to open directory %s",
+ full_path);
+ return ret;
+}
+
+static void
+process_file(struct dirent *dent, struct dt_dir *parent)
+{
+ int fd;
+ struct dt_file *f = malloc(sizeof(*f));
+
+ if (!f) {
+ DPAA_BUS_LOG(DEBUG, "Unable to allocate memory for file node");
+ return;
+ }
+ f->node.is_file = 1;
+ snprintf(f->node.node.name, NAME_MAX, "%s", dent->d_name);
+ snprintf(f->node.node.full_name, PATH_MAX, "%s/%s",
+ parent->node.node.full_name, dent->d_name);
+ f->parent = parent;
+ fd = of_open_file(f->node.node.full_name);
+ if (fd < 0) {
+ DPAA_BUS_LOG(DEBUG, "Unable to open file node");
+ free(f);
+ return;
+ }
+ f->len = read(fd, f->buf, OF_FILE_BUF_MAX);
+ close(fd);
+ if (f->len < 0) {
+ DPAA_BUS_LOG(DEBUG, "Unable to read file node");
+ free(f);
+ return;
+ }
+ list_add_tail(&f->node.list, &parent->files);
+}
+
+static const struct dt_dir *
+node2dir(const struct device_node *n)
+{
+ struct dt_node *dn = container_of((struct device_node *)n,
+ struct dt_node, node);
+ const struct dt_dir *d = container_of(dn, struct dt_dir, node);
+
+ assert(!dn->is_file);
+ return d;
+}
+
+/* process_dir() calls iterate_dir(), but the latter will also call the former
+ * when recursing into sub-directories, so a predeclaration is needed.
+ */
+static int process_dir(const char *relative_path, struct dt_dir *dt);
+
+static int
+iterate_dir(struct dirent **d, int num, struct dt_dir *dt)
+{
+ int loop;
+ /* Iterate the directory contents */
+ for (loop = 0; loop < num; loop++) {
+ struct dt_dir *subdir;
+ int ret;
+ /* Ignore dot files of all types (especially "..") */
+ if (d[loop]->d_name[0] == '.')
+ continue;
+ switch (d[loop]->d_type) {
+ case DT_REG:
+ process_file(d[loop], dt);
+ break;
+ case DT_DIR:
+ subdir = malloc(sizeof(*subdir));
+ if (!subdir) {
+ perror("malloc");
+ return -ENOMEM;
+ }
+ snprintf(subdir->node.node.name, NAME_MAX, "%s",
+ d[loop]->d_name);
+ snprintf(subdir->node.node.full_name, PATH_MAX,
+ "%s/%s", dt->node.node.full_name,
+ d[loop]->d_name);
+ subdir->parent = dt;
+ ret = process_dir(subdir->node.node.full_name, subdir);
+ if (ret)
+ return ret;
+ list_add_tail(&subdir->node.list, &dt->subdirs);
+ break;
+ default:
+ DPAA_BUS_LOG(DEBUG, "Ignoring invalid dt entry %s/%s",
+ dt->node.node.full_name, d[loop]->d_name);
+ }
+ }
+ return 0;
+}
+
+static int
+process_dir(const char *relative_path, struct dt_dir *dt)
+{
+ struct dirent **d;
+ int ret, num;
+
+ dt->node.is_file = 0;
+ INIT_LIST_HEAD(&dt->subdirs);
+ INIT_LIST_HEAD(&dt->files);
+ ret = of_open_dir(relative_path, &d);
+ if (ret < 0)
+ return ret;
+ num = ret;
+ ret = iterate_dir(d, num, dt);
+ of_close_dir(d, num);
+ return (ret < 0) ? ret : 0;
+}
+
+static void
+linear_dir(struct dt_dir *d)
+{
+ struct dt_file *f;
+ struct dt_dir *dd;
+
+ d->compatible = NULL;
+ d->status = NULL;
+ d->lphandle = NULL;
+ d->a_cells = NULL;
+ d->s_cells = NULL;
+ d->reg = NULL;
+ list_for_each_entry(f, &d->files, node.list) {
+ if (!strcmp(f->node.node.name, "compatible")) {
+ if (d->compatible)
+ DPAA_BUS_LOG(DEBUG, "Duplicate compatible in"
+ " %s", d->node.node.full_name);
+ d->compatible = f;
+ } else if (!strcmp(f->node.node.name, "status")) {
+ if (d->status)
+ DPAA_BUS_LOG(DEBUG, "Duplicate status in %s",
+ d->node.node.full_name);
+ d->status = f;
+ } else if (!strcmp(f->node.node.name, "linux,phandle")) {
+ if (d->lphandle)
+ DPAA_BUS_LOG(DEBUG, "Duplicate lphandle in %s",
+ d->node.node.full_name);
+ d->lphandle = f;
+ } else if (!strcmp(f->node.node.name, "#address-cells")) {
+ if (d->a_cells)
+ DPAA_BUS_LOG(DEBUG, "Duplicate a_cells in %s",
+ d->node.node.full_name);
+ d->a_cells = f;
+ } else if (!strcmp(f->node.node.name, "#size-cells")) {
+ if (d->s_cells)
+ DPAA_BUS_LOG(DEBUG, "Duplicate s_cells in %s",
+ d->node.node.full_name);
+ d->s_cells = f;
+ } else if (!strcmp(f->node.node.name, "reg")) {
+ if (d->reg)
+ DPAA_BUS_LOG(DEBUG, "Duplicate reg in %s",
+ d->node.node.full_name);
+ d->reg = f;
+ }
+ }
+
+ list_for_each_entry(dd, &d->subdirs, node.list) {
+ list_add_tail(&dd->linear, &linear);
+ linear_dir(dd);
+ }
+}
+
+int
+of_init_path(const char *dt_path)
+{
+ int ret;
+
+ base_dir = dt_path;
+
+ /* This needs to be singleton initialization */
+ DPAA_BUS_WARN(alive, "Double-init of device-tree driver!");
+
+ /* Prepare root node (the remaining fields are set in process_dir()) */
+ root_dir.node.node.name[0] = '\0';
+ root_dir.node.node.full_name[0] = '\0';
+ INIT_LIST_HEAD(&root_dir.node.list);
+ root_dir.parent = NULL;
+
+ /* Kick things off... */
+ ret = process_dir("", &root_dir);
+ if (ret) {
+ DPAA_BUS_LOG(ERR, "Unable to parse device tree");
+ return ret;
+ }
+
+ /* Now make a flat, linear list of directories */
+ linear_dir(&root_dir);
+ alive = 1;
+ return 0;
+}
+
+static void
+destroy_dir(struct dt_dir *d)
+{
+ struct dt_file *f, *tmpf;
+ struct dt_dir *dd, *tmpd;
+
+ list_for_each_entry_safe(f, tmpf, &d->files, node.list) {
+ list_del(&f->node.list);
+ free(f);
+ }
+ list_for_each_entry_safe(dd, tmpd, &d->subdirs, node.list) {
+ destroy_dir(dd);
+ list_del(&dd->node.list);
+ free(dd);
+ }
+}
+
+void
+of_finish(void)
+{
+ DPAA_BUS_WARN(!alive, "Double-finish of device-tree driver!");
+
+ destroy_dir(&root_dir);
+ INIT_LIST_HEAD(&linear);
+ alive = 0;
+}
+
+static const struct dt_dir *
+next_linear(const struct dt_dir *f)
+{
+ if (f->linear.next == &linear)
+ return NULL;
+ return list_entry(f->linear.next, struct dt_dir, linear);
+}
+
+static int
+check_compatible(const struct dt_file *f, const char *compatible)
+{
+ const char *c = (char *)f->buf;
+ unsigned int len, remains = f->len;
+
+ while (remains) {
+ len = strlen(c);
+ if (!strcmp(c, compatible))
+ return 1;
+
+ if (remains < len + 1)
+ break;
+
+ c += (len + 1);
+ remains -= (len + 1);
+ }
+ return 0;
+}
+
+const struct device_node *
+of_find_compatible_node(const struct device_node *from,
+ const char *type __always_unused,
+ const char *compatible)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+
+ if (list_empty(&linear))
+ return NULL;
+ if (!from)
+ d = list_entry(linear.next, struct dt_dir, linear);
+ else
+ d = node2dir(from);
+ for (d = next_linear(d); d && (!d->compatible ||
+ !check_compatible(d->compatible,
+ compatible));
+ d = next_linear(d))
+ ;
+ if (d)
+ return &d->node.node;
+ return NULL;
+}
+
+const void *
+of_get_property(const struct device_node *from, const char *name,
+ size_t *lenp)
+{
+ const struct dt_dir *d;
+ const struct dt_file *f;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+
+ d = node2dir(from);
+ list_for_each_entry(f, &d->files, node.list)
+ if (!strcmp(f->node.node.name, name)) {
+ if (lenp)
+ *lenp = f->len;
+ return f->buf;
+ }
+ return NULL;
+}
+
+bool
+of_device_is_available(const struct device_node *dev_node)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+ d = node2dir(dev_node);
+ if (!d->status)
+ return true;
+ if (!strcmp((char *)d->status->buf, "okay"))
+ return true;
+ if (!strcmp((char *)d->status->buf, "ok"))
+ return true;
+ return false;
+}
+
+const struct device_node *
+of_find_node_by_phandle(phandle ph)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+ list_for_each_entry(d, &linear, linear)
+ if (d->lphandle && (d->lphandle->len == 4) &&
+ !memcmp(d->lphandle->buf, &ph, 4))
+ return &d->node.node;
+ return NULL;
+}
+
+const struct device_node *
+of_get_parent(const struct device_node *dev_node)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+
+ if (!dev_node)
+ return NULL;
+ d = node2dir(dev_node);
+ if (!d->parent)
+ return NULL;
+ return &d->parent->node.node;
+}
+
+const struct device_node *
+of_get_next_child(const struct device_node *dev_node,
+ const struct device_node *prev)
+{
+ const struct dt_dir *p, *c;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+
+ if (!dev_node)
+ return NULL;
+ p = node2dir(dev_node);
+ if (prev) {
+ c = node2dir(prev);
+ DPAA_BUS_WARN((c->parent != p), "Parent/child mismatch");
+ if (c->parent != p)
+ return NULL;
+ if (c->node.list.next == &p->subdirs)
+ /* prev was the last child */
+ return NULL;
+ c = list_entry(c->node.list.next, struct dt_dir, node.list);
+ return &c->node.node;
+ }
+ /* Return first child */
+ if (list_empty(&p->subdirs))
+ return NULL;
+ c = list_entry(p->subdirs.next, struct dt_dir, node.list);
+ return &c->node.node;
+}
+
+uint32_t
+of_n_addr_cells(const struct device_node *dev_node)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised");
+ if (!dev_node)
+ return OF_DEFAULT_NA;
+ d = node2dir(dev_node);
+ while ((d = d->parent))
+ if (d->a_cells) {
+ unsigned char *buf =
+ (unsigned char *)&d->a_cells->buf[0];
+ assert(d->a_cells->len == 4);
+ return ((uint32_t)buf[0] << 24) |
+ ((uint32_t)buf[1] << 16) |
+ ((uint32_t)buf[2] << 8) |
+ (uint32_t)buf[3];
+ }
+ return OF_DEFAULT_NA;
+}
+
+uint32_t
+of_n_size_cells(const struct device_node *dev_node)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+ if (!dev_node)
+ return OF_DEFAULT_NA;
+ d = node2dir(dev_node);
+ while ((d = d->parent))
+ if (d->s_cells) {
+ unsigned char *buf =
+ (unsigned char *)&d->s_cells->buf[0];
+ assert(d->s_cells->len == 4);
+ return ((uint32_t)buf[0] << 24) |
+ ((uint32_t)buf[1] << 16) |
+ ((uint32_t)buf[2] << 8) |
+ (uint32_t)buf[3];
+ }
+ return OF_DEFAULT_NS;
+}
+
+const uint32_t *
+of_get_address(const struct device_node *dev_node, size_t idx,
+ uint64_t *size, uint32_t *flags __rte_unused)
+{
+ const struct dt_dir *d;
+ const unsigned char *buf;
+ uint32_t na = of_n_addr_cells(dev_node);
+ uint32_t ns = of_n_size_cells(dev_node);
+
+ if (!dev_node)
+ d = &root_dir;
+ else
+ d = node2dir(dev_node);
+ if (!d->reg)
+ return NULL;
+ assert(d->reg->len % ((na + ns) * 4) == 0);
+ assert(d->reg->len / ((na + ns) * 4) > (unsigned int) idx);
+ buf = (const unsigned char *)&d->reg->buf[0];
+ buf += (na + ns) * idx * 4;
+ if (size)
+ for (*size = 0; ns > 0; ns--, na++)
+ *size = (*size << 32) +
+ (((uint32_t)buf[4 * na] << 24) |
+ ((uint32_t)buf[4 * na + 1] << 16) |
+ ((uint32_t)buf[4 * na + 2] << 8) |
+ (uint32_t)buf[4 * na + 3]);
+ return (const uint32_t *)buf;
+}
+
+uint64_t
+of_translate_address(const struct device_node *dev_node,
+ const uint32_t *addr)
+{
+ uint64_t phys_addr, tmp_addr;
+ const struct device_node *parent;
+ const uint32_t *ranges;
+ size_t rlen;
+ uint32_t na, pna;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+ assert(dev_node != NULL);
+
+ na = of_n_addr_cells(dev_node);
+ phys_addr = of_read_number(addr, na);
+
+ dev_node = of_get_parent(dev_node);
+ if (!dev_node)
+ return 0;
+ else if (node2dir(dev_node) == &root_dir)
+ return phys_addr;
+
+ do {
+ pna = of_n_addr_cells(dev_node);
+ parent = of_get_parent(dev_node);
+ if (!parent)
+ return 0;
+
+ ranges = of_get_property(dev_node, "ranges", &rlen);
+ /* "ranges" property is missing. Translation breaks */
+ if (!ranges)
+ return 0;
+ /* "ranges" property is empty. Do 1:1 translation */
+ else if (rlen == 0)
+ continue;
+ else
+ tmp_addr = of_read_number(ranges + na, pna);
+
+ na = pna;
+ dev_node = parent;
+ phys_addr += tmp_addr;
+ } while (node2dir(parent) != &root_dir);
+
+ return phys_addr;
+}
+
+bool
+of_device_is_compatible(const struct device_node *dev_node,
+ const char *compatible)
+{
+ const struct dt_dir *d;
+
+ DPAA_BUS_WARN(!alive, "Device-tree driver not initialised!");
+ if (!dev_node)
+ d = &root_dir;
+ else
+ d = node2dir(dev_node);
+ if (d->compatible && check_compatible(d->compatible, compatible))
+ return true;
+ return false;
+}
diff --git a/drivers/bus/dpaa/include/of.h b/drivers/bus/dpaa/include/of.h
new file mode 100644
index 0000000..e422a53
--- /dev/null
+++ b/drivers/bus/dpaa/include/of.h
@@ -0,0 +1,191 @@
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * BSD LICENSE
+ *
+ * Copyright 2010-2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __OF_H
+#define __OF_H
+
+#include <compat.h>
+
+#ifndef OF_INIT_DEFAULT_PATH
+#define OF_INIT_DEFAULT_PATH "/proc/device-tree"
+#endif
+
+#define OF_DEFAULT_NA 1
+#define OF_DEFAULT_NS 1
+
+#define OF_FILE_BUF_MAX 256
+
+/**
+ * Layout of Device Tree:
+ * dt_dir
+ * |- dt_dir
+ * | |- dt_dir
+ * | | |- dt_dir
+ * | | | |- dt_file
+ * | | | ``- dt_file
+ * | | ``- dt_file
+ * | `-dt_file`
+ * ``- dt_file
+ *
+ * +------------------+
+ * |dt_dir |
+ * |+----------------+|
+ * ||dt_node ||
+ * ||+--------------+||
+ * |||device_node |||
+ * ||+--------------+||
+ * || list_dt_nodes ||
+ * |+----------------+|
+ * | list of subdir |
+ * | list of files |
+ * +------------------+
+ */
+
+/**
+ * Device description on of a device node in device tree.
+ */
+struct device_node {
+ char name[NAME_MAX];
+ char full_name[PATH_MAX];
+};
+
+/**
+ * List of device nodes available in a device tree layout
+ */
+struct dt_node {
+ struct device_node node; /**< Property of node */
+ int is_file; /**< FALSE==dir, TRUE==file */
+ struct list_head list; /**< Nodes within a parent subdir */
+};
+
+/**
+ * Types we use to represent directories and files
+ */
+struct dt_file;
+struct dt_dir {
+ struct dt_node node;
+ struct list_head subdirs;
+ struct list_head files;
+ struct list_head linear;
+ struct dt_dir *parent;
+ struct dt_file *compatible;
+ struct dt_file *status;
+ struct dt_file *lphandle;
+ struct dt_file *a_cells;
+ struct dt_file *s_cells;
+ struct dt_file *reg;
+};
+
+struct dt_file {
+ struct dt_node node;
+ struct dt_dir *parent;
+ ssize_t len;
+ uint64_t buf[OF_FILE_BUF_MAX >> 3]; /** ASDF: Why? */
+};
+
+const struct device_node *of_find_compatible_node(
+ const struct device_node *from,
+ const char *type __always_unused,
+ const char *compatible)
+ __attribute__((nonnull(3)));
+
+#define for_each_compatible_node(dev_node, type, compatible) \
+ for (dev_node = of_find_compatible_node(NULL, type, compatible); \
+ dev_node != NULL; \
+ dev_node = of_find_compatible_node(dev_node, type, compatible))
+
+const void *of_get_property(const struct device_node *from, const char *name,
+ size_t *lenp) __attribute__((nonnull(2)));
+bool of_device_is_available(const struct device_node *dev_node);
+
+const struct device_node *of_find_node_by_phandle(phandle ph);
+
+const struct device_node *of_get_parent(const struct device_node *dev_node);
+
+const struct device_node *of_get_next_child(const struct device_node *dev_node,
+ const struct device_node *prev);
+
+#define for_each_child_node(parent, child) \
+ for (child = of_get_next_child(parent, NULL); child != NULL; \
+ child = of_get_next_child(parent, child))
+
+uint32_t of_n_addr_cells(const struct device_node *dev_node);
+uint32_t of_n_size_cells(const struct device_node *dev_node);
+
+const uint32_t *of_get_address(const struct device_node *dev_node, size_t idx,
+ uint64_t *size, uint32_t *flags);
+
+uint64_t of_translate_address(const struct device_node *dev_node,
+ const u32 *addr) __attribute__((nonnull));
+
+bool of_device_is_compatible(const struct device_node *dev_node,
+ const char *compatible);
+
+/* of_init() must be called prior to initialisation or use of any driver
+ * subsystem that is device-tree-dependent. Eg. Qman/Bman, config layers, etc.
+ * The path should usually be "/proc/device-tree".
+ */
+int of_init_path(const char *dt_path);
+
+/* of_finish() allows a controlled tear-down of the device-tree layer, eg. if a
+ * full reload is desired without a process exit.
+ */
+void of_finish(void);
+
+/* Use of this wrapper is recommended. */
+static inline int of_init(void)
+{
+ return of_init_path(OF_INIT_DEFAULT_PATH);
+}
+
+/* Read a numeric property according to its size and return it as a 64-bit
+ * value.
+ */
+static inline uint64_t of_read_number(const __be32 *cell, int size)
+{
+ uint64_t r = 0;
+
+ while (size--)
+ r = (r << 32) | be32toh(*(cell++));
+ return r;
+}
+
+#endif /* __OF_H */
--
2.7.4