Message ID | 1594659555-12669-11-git-send-email-wasim.khan@nxp.com |
---|---|
State | Superseded |
Delegated to: | Priyanka Jain |
Headers | show
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Mon, 13 Jul 2020 16:59:48 +0000 From: Wasim Khan <wasim.khan@nxp.com> To: priyanka.jain@nxp.com Cc: u-boot@lists.denx.de, Wasim Khan <wasim.khan@nxp.com> Subject: [PATCH 10/12] pci: layerscape: Add size check for config resource Date: Mon, 13 Jul 2020 22:29:13 +0530 Message-Id: <1594659555-12669-11-git-send-email-wasim.khan@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594659555-12669-1-git-send-email-wasim.khan@nxp.com> References: <1594659555-12669-1-git-send-email-wasim.khan@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR02CA0048.apcprd02.prod.outlook.com (2603:1096:3:18::36) To VE1PR04MB6702.eurprd04.prod.outlook.com (2603:10a6:803:123::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03032.swis.in-blr01.nxp.com (14.142.151.118) by SG2PR02CA0048.apcprd02.prod.outlook.com (2603:1096:3:18::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3174.22 via Frontend Transport; Mon, 13 Jul 2020 16:59:46 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [14.142.151.118] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1c08eebe-3862-495e-d9c6-08d8274e264d X-MS-TrafficTypeDiagnostic: VI1PR04MB4815: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: <VI1PR04MB4815F7388836B8AD8DD802B890600@VI1PR04MB4815.eurprd04.prod.outlook.com> X-MS-Oob-TLC-OOBClassifiers: OLM:3631; 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Add label to pcie nodes
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expand
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diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 2f17176..8f64e53 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -493,6 +493,13 @@ static int ls_pcie_probe(struct udevice *dev) return ret; } + cfg_size = fdt_resource_size(&pcie->cfg_res); + if (cfg_size < SZ_8K) { + printf("PCIe%d: %s Invalid size(0x%x) for resource \"config\", + expected minimum 0x%x \n", PCIE_SRDS_PRTCL(pcie->idx), + dev->name, cfg_size, SZ_8K); + return 0; + } /* * Fix the pcie memory map address and PF control registers address * for LS2088A series SoCs @@ -502,7 +509,6 @@ static int ls_pcie_probe(struct udevice *dev) if (svr == SVR_LS2088A || svr == SVR_LS2084A || svr == SVR_LS2048A || svr == SVR_LS2044A || svr == SVR_LS2081A || svr == SVR_LS2041A) { - cfg_size = fdt_resource_size(&pcie->cfg_res); pcie->cfg_res.start = LS2088A_PCIE1_PHYS_ADDR + LS2088A_PCIE_PHYS_SIZE * pcie->idx; pcie->cfg_res.end = pcie->cfg_res.start + cfg_size;
resource "config" is required to have minimum 8KB space. Signed-off-by: Wasim Khan <wasim.khan@nxp.com> --- drivers/pci/pcie_layerscape.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)