Hi Michał, > Hello, > > I try to load some images from USB flash drive. When issuing/usb > start/with the flash drive on to the first USB I get some following > information: > > U-Boot 2018.09-36904-gae57ffc-dirty (Dec 18 2018 - 23:00:37 +0100) > > CPU: Freescale i.MX6ULL rev1.1 792 MHz (running at 396 MHz) > CPU: Industrial temperature grade (-40C to 105C) at 49C > Reset cause: POR > Model: SomLabs i.MX6 ULL Visionsom > Board: SomLabs visionsom 6ull > DRAM: 512 MiB > NAND: 512 MiB > Loading Environment from NAND... *** Warning - bad CRC, using > default environmet > > Video: 800x480x24 > In: serial > Out: serial > Err: serial > Net: FEC0 [PRIME] > Warning: FEC0 (eth0) using random MAC address - 46:79:2e:d4:3f:03 > > Somlabs iMX6ULL # usb start > starting USB... > USB0: USB EHCI 1.00 > USB1: USB EHCI 1.00 > scanning bus 0 for devices... 1 USB Device(s) found > scanning bus 1 for devices... EHCI timed out on TD - > token=0x80008d80 > > USB device not accepting new address (error=22) > 1 USB Device(s) found > scanning usb for storage devices... 0 Storage Device(s) found > Somlabs iMX6ULL # > > I'm trying to find the solution on different forums but without > success. Hardware is OK because on U-Boot from 2017.03 it works > well.Hi Here is a list what I'm trying > > 1. setenv usb_pgood_delay 10000 > 2. Changed max_xfer_blk to 32768, 65535 etc. > 3. Adding extra lines into usb_storage.c > > int gave_extra_time = 0; > > ... > > if ((srb->sense_buf[2] == 0x02) && > (srb->sense_buf[12] == 0x3a)) > return -1; > > ... > > /* If the status is "Not Ready - becoming ready", give it > * more time. Linux issues a spinup command (once) and gives > * it 100 seconds. */ > if (srb->sense_buf[2] == 0x02 && srb->sense_buf[12] == 0x04 && > gave_extra_time == 0) > gave_extra_time = retries = 1000; /* Allow 10 seconds. */ > ... > > mdelay(100); > } while (retries--); > > The problem is with disappearing power supply on USB.
Maybe you need to check if DTS description of some regulator is missing? From 2017 till now a lot of subsystems have been converted to driver model. > The flash drive > blinks shortly and disabled at all then. Nothing helps so far. On > U-Boot 2017.03 when I issue/usb//start/, the flash drive blinks 2 > times and LED in it start beam constantly. Of course, all USB flash > drive operations working well. > > U-Boot is available at GitHub - SoMLabs/somlabs-uboot-imx > <https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fgithub.com%2FSoMLabs%2Fsomlabs-uboot-imx> > - > branch 2018.09 if someone wants to check parameters (draft version) > > > > I added some parameters related with usb and mass storage > > > form defconfig > > > CONFIG_CMD_USB=y > CONFIG_USB=y > CONFIG_DM_USB=y > CONFIG_USB_EHCI_HCD=y > CONFIG_MXC_USB_OTG_HACTIVE=y > CONFIG_CMD_USB_MASS_STORAGE=y > CONFIG_USB_STORAGE=y > CONFIG_USB_GADGET=y > CONFIG_USB_GADGET_MANUFACTURER="SomLabs" > CONFIG_USB_GADGET_VENDOR_NUM=0x1b67 > CONFIG_USB_GADGET_PRODUCT_NUM=0x4000 > CONFIG_CI_UDC=y > CONFIG_USB_GADGET_DOWNLOAD=y > > form dts > > regulators { > compatible = "simple-bus"; > #address-cells = <1>; > #size-cells = <0>; > > reg_usb_otg1_vbus: regulator@2 { > compatible = "regulator-fixed"; > reg = <2>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usb_otg1>; > regulator-name = "usb_otg1_vbus"; > regulator-min-microvolt = <5000000>; > regulator-max-microvolt = <5000000>; > gpio = <&gpio2 8 GPIO_ACTIVE_HIGH>; > enable-active-high; > }; > > reg_usb_otg2_vbus: regulator@3 { > compatible = "regulator-fixed"; > reg = <3>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usb_otg2>; > regulator-name = "usb_otg2_vbus"; > regulator-min-microvolt = <5000000>; > regulator-max-microvolt = <5000000>; > gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>; > enable-active-high; > }; > > }; > > pinctrl_usb_otg1: usbotg1grp { > fsl,pins = < > MX6UL_PAD_ENET2_TX_DATA1__GPIO2_IO12 0x10b0 > >; > }; > > pinctrl_usb_otg2: usbotg2grp { > fsl,pins = < > MX6UL_PAD_ENET2_RX_DATA0__GPIO2_IO08 0x10b0 > >; > }; > > &usbotg1 { > vbus-supply = <®_usb_otg1_vbus>; > dr_mode = "host"; > status = "okay"; > }; > > &usbotg2 { > vbus-supply = <®_usb_otg2_vbus>; > dr_mode = "host"; > status = "okay"; > }; > > My board is SomLabs Visionsom option with NAND 512Mb. > > > Thanks in advanced > > Best Regards > > Michal > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://lists.denx.de/listinfo/u-boot Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lu...@denx.de
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