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Tue, 23 Jul 2019 07:19:38 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::2023:c0e5:8a63:2e47]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::2023:c0e5:8a63:2e47%5]) with mapi id 15.20.2094.011; Tue, 23 Jul 2019 07:19:38 +0000 From: Peng Fan To: "sbabic@denx.de" , "festevam@gmail.com" , "hs@denx.de" , "joe.hershberger@ni.com" , "marex@denx.de" Thread-Topic: [PATCH V2 4/4] net: fec: add fuse check Thread-Index: AQHVQSb8Wb2cstx+YEqDuhAD9cfsmA== Date: Tue, 23 Jul 2019 07:19:38 +0000 Message-ID: <20190723073445.23864-4-peng.fan@nxp.com> References: <20190723073445.23864-1-peng.fan@nxp.com> In-Reply-To: <20190723073445.23864-1-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.16.4 x-clientproxiedby: HK2PR02CA0134.apcprd02.prod.outlook.com (2603:1096:202:16::18) To AM0PR04MB4481.eurprd04.prod.outlook.com (2603:10a6:208:70::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB5475; H:AM0PR04MB4481.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: zwtL4GzwJ+Ejm6iw1BJsT/UN1t51aQPZ7lkOGgo3oan/lYV5zsQauCuNHypZNp/wwtGeg1JxTZmWX9CfBItQ62qgeIqcMXqr6PeXG9OUdU6rfvDAval3zF2dePRAffK97ZfQ22yzScOx2ULbSHkRDgnnE+mCBnmDAmwgT71yEp7GOUsZKI7JMWhwo/DkGOa5UDg+Hq9LnaJKhMxWmqIWG5pR8M3UaExQHyLmjWg/GhX+uLjTKWBCLNE0aITBb7I8Il9s0R2WrZp7WKkOuNBt9HUcU7JHrpuCEKAp4oxbZdGIBH0xRGGdFFTzLNyiS7G3cmIMibjHXOTCreQ5zUTzWtmiR8oVNZcmUD1K/oVERMzn+qGXzj9tdUg2jHFXLuJ4Q7SuReJifF22C+uSEJzzFS2PYpNg9XUSqVENJWRjRHE= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5a7202a6-7f9f-4b4c-c223-08d70f3e1efd X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Jul 2019 07:19:38.2497 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: peng.fan@nxp.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5475 Cc: "u-boot@lists.denx.de" , dl-uboot-imx Subject: [U-Boot] [PATCH V2 4/4] net: fec: add fuse check X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add fuse check for fec. If the fuse indicates the module will not work in the SoC, let's fail the initialization. Signed-off-by: Peng Fan Acked-by: Joe Hershberger --- V2: Update commit and debug info drivers/net/fec_mxc.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c index 96e3ad9a1a..c666874b98 100644 --- a/drivers/net/fec_mxc.c +++ b/drivers/net/fec_mxc.c @@ -1185,6 +1185,13 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr) #endif int ret; + if (IS_ENABLED(CONFIG_IMX_MODULE_FUSE)) { + if (enet_fused(addr)) { + printf("SoC fuse indicates Ethernet@0x%x is unavailable.\n", addr); + return -ENODEV; + } + } + #ifdef CONFIG_FEC_MXC_MDIO_BASE /* * The i.MX28 has two ethernet interfaces, but they are not equal. @@ -1323,6 +1330,13 @@ static int fecmxc_probe(struct udevice *dev) uint32_t start; int ret; + if (IS_ENABLED(CONFIG_IMX_MODULE_FUSE)) { + if (enet_fused((u32)priv->eth)) { + printf("SoC fuse indicates Ethernet@0x%x is unavailable.\n", (u32)priv->eth); + return -ENODEV; + } + } + if (IS_ENABLED(CONFIG_IMX8)) { ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk); if (ret < 0) {