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Wed, 16 Sep 2020 12:31:20 +0000 From: peng.fan@nxp.com To: sbabic@denx.de, marex@denx.de Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 06/13] usb: ehci-mx6: fix controller index for imx8m and imx8 Date: Wed, 16 Sep 2020 20:56:58 +0800 Message-Id: <20200916125705.4341-7-peng.fan@nxp.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200916125705.4341-1-peng.fan@nxp.com> References: <20200916125705.4341-1-peng.fan@nxp.com> X-ClientProxiedBy: SGBP274CA0023.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b0::35) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SGBP274CA0023.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b0::35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3391.13 via Frontend Transport; Wed, 16 Sep 2020 12:31:18 +0000 X-Mailer: git-send-email 2.28.0 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 4c49145f-c61b-4ec2-3f1e-08d85a3c6a8f X-MS-TrafficTypeDiagnostic: DB3PR0402MB3915: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; 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It causes secondary controller fails to work. So fix this problem, and also change all seq to req_seq. There is another issue here for imx8, the codes use runtime CPU type check. One iMX8, this check depends on IPC communication with SCFW, and need MU driver been probed. But the usbotg is configured with "u-boot,dm_spl" property for SDP download in SPL, so it will bind in early DM in u-boot while the MU is not bound at same time, so the CPU type check will hang. Fix it to use static check. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/usb/host/ehci-mx6.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) -- 2.28.0 diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 1db27949c6..96dcf7655b 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -665,7 +665,11 @@ static int ehci_usb_bind(struct udevice *dev) * With these changes in place, the ad-hoc indexing goes away and * the driver is fully converted to DT probing. */ - u32 controller_spacing = is_mx7() ? 0x10000 : 0x200; + u32 controller_spacing; + if (IS_ENABLED(CONFIG_MX6)) + controller_spacing = 0x200; + else + controller_spacing = 0x10000; fdt_addr_t addr = devfdt_get_addr_index(dev, 0); dev->req_seq = (addr - USB_BASE_ADDR) / controller_spacing; @@ -692,7 +696,7 @@ static int ehci_usb_probe(struct udevice *dev) } priv->ehci = ehci; - priv->portnr = dev->seq; + priv->portnr = dev->req_seq; priv->init_type = type; ret = board_usb_init(priv->portnr, priv->init_type); @@ -744,7 +748,7 @@ int ehci_usb_remove(struct udevice *dev) ehci_deregister(dev); - return board_usb_cleanup(dev->seq, priv->init_type); + return board_usb_cleanup(dev->req_seq, priv->init_type); } static const struct udevice_id mx6_usb_ids[] = {