From mboxrd@z Thu Jan 1 00:00:00 1970 From: ccc.cwj@gmail.com (=?utf-8?B?Q2hlbiBXZW5qaWU=?=) Date: Sun, 22 Aug 2010 03:31:50 +0800 Subject: =?utf-8?B?UmU6IFJlOiB1c2IgaG9zdCBwb3J0MyBvbiBweGEzMTA/?= References: , <201008080921466561614@gmail.com> Message-ID: <201008220331449066056@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Igor and all, Thank you very much for giving me such valuable help. Now I have upgrade the ohci part (drivers/usb/host/ohci-pxa270.c ..) to 2.6.29. (I am failed on upgrade the total branch from 2.6.27 to 2.6.29 :( ) But the problem still exist. (the isp1105 was really assembled; and the GPIO pins are initialized with pxa3xx_mfp_config() ). when I insert a usb-disk, it output ----------------------------------------------------------------------------------------- usb 1-3: new full speed USB device using pxa27x-ohci and address 2 usb 1-3: device descriptor read/64, error -62 usb 1-3: device descriptor read/64, error -62 usb 1-3: new full speed USB device using pxa27x-ohci and address 3 usb 1-3: device descriptor read/64, error -62 usb 1-3: device descriptor read/64, error -62 usb 1-3: new full speed USB device using pxa27x-ohci and address 4 usb 1-3: device not accepting address 4, error -62 usb 1-3: new full speed USB device using pxa27x-ohci and address 5 usb 1-3: device not accepting address 5, error -62 hub 1-0:1.0: unable to enumerate USB device on port 3 ---------------------------------------------------------------------------------------- and dmesg shows this info continuesly.: hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0000 hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0000 ... hub 1-0:1.0: state 7 ports 3 chg 0000 evt 0000 a detailed log file is attached. Is there any hardware problem? maybe the connection of ISP1105 was wrong. and I found the VCC voltage is only 3.0v, it is lower than 3.3v (in the spec). Is this a fatal issue? Thank you very much! ------------------ Chen Wenjie 2010-08-22 ------------------------------------------------------------- From?Igor Grinberg Date?2010-08-08 14:03:02 To?Chen Wenjie CC?linux-arm-kernel Subject?Re: usb host port3 on pxa310? On 08/08/10 04:21, Chen Wenjie wrote: > Hi, Igor, > Thank you very much for your warm and professional help! > I will try to upgrade the codes for ohci-pxa27x first. > > Do you really have sl811 and r8a66597 usb host controllers on your > board? > I think no real IC installed on my board, I just configure it on > menuconfig by choose something > seems related to USB (--blindly) I'd rather remove the unused drivers from the configuration, then have them built-in and do something with the missing hardware... > Actually, my board use a ISP1105 as the PHY interface???the schematic is : > http://picasaweb.google.com/114830881710721561783/Public#5502732460750351090 > As far as I know DNP, stands for "Do Not Populate". It states: "ISP1105BS(DNP)" - is it assembled at all? > Do you think there is anything wrong? > GPIO setting is : > //file: mfp-pxa300.h > /* USB P3 */ > #define GPIO77_USB_P3_1 MFP_CFG(GPIO77, AF2) > #define GPIO78_USB_P3_2 MFP_CFG(GPIO78, AF2) > #define GPIO79_USB_P3_3 MFP_CFG(GPIO79, AF2) > #define GPIO80_USB_P3_4 MFP_CFG(GPIO80, AF2) > #define GPIO81_USB_P3_5 MFP_CFG(GPIO81, AF2) > #define GPIO82_USB_P3_6 MFP_CFG(GPIO82, AF2) > #define GPIO126_USB_SPEED MFP_CFG_LPM(GPIO126, AF5, PULL_HIGH) Indeed, those are the defines, but you need to do the actual configuration for them, by calling pxa3xx_mfp_config() with appropriate parameters. > I will upgrade the driver and test it again. > Thank you very very much! > 2010-08-08 > ------------------------------------------------------------------------ > Chen Wenjie > ------------------------------------------------------------------------ > *????????????* Igor Grinberg > *???????????????* 2010-08-07 21:42:57 > *????????????* Chen Wenjie > *?????????* linux-arm-kernel > *?????????* Re: usb host port3 on pxa310? > On 08/06/10 21:43, Chen Wenjie wrote: > > I want to use PXA310 to realize a USB HOST. > > > > (My kernel version: 2.6.27) > > > There was a relatively big change in ohci-pxa27x driver, I think > around 2.6.28-rc1. May be you should consider upgrading... > > Zylonite have implemented a USB host through USBH_N(USBH1_N) > USBH_P(USBH1_P). > > Unfortunatly, In PXA310, the pins of USBH1_N and USBH1_P does not exist. > > > > So I have to use "usb host port3 " described in the manual "Vol. IV: > Monahans > > L Processor and > > Monahans LV Processor Developers Manual" > > > > > > > > GPIO > > Alternate > > Function > > Port UP3OCR[CFG] > > 0x0 0x2 > > USB_P3_1 UHC Rx Data (RCV - in) ??? UHC Rx Data (RCV - > > out) ??? > > USB_P3_2 UHC OE (OE_n - out) ??? UHC OE (OE_n - in) > > ??? > > USB_P3_3 UHC Rx D??? (VM - in) ??? UHC Rx D- (VM - > > out) ??? > > USB_P3_4 UHC Tx D??? (VMO - out) ??? UHC Tx D- (VMO - > > in) ??? > > USB_P3_5 UHC Rx D+ (VP - in) ??? UHC Rx D+ (VP - > > out) ??? > > USB_P3_6 UHC Tx D+ (VPO - out) ??? UHC Tx D+ (VPO - > > in) ??? > > > > In the schematic, I have connected GPIO77~82 to USB_P3_1 ~ USB_P3_6. > > > You need also to configure those gpios to alternate function 2 in the > MFPRs. > If you use a transceiver mode, then may be you need USBHPEN signal > connected to your PHY and configured accordingly in MFPR. > Also, in pxa310 there is a U2DP3CR register, which controls output > and serial mode selection of the usb port3. > > > > > > However, The USB port 3 does not work. > > Here is the log: > > > > ====================================== > > pxa27x-ohci pxa27x-ohci: PXA27x OHCI > > pxa27x-ohci pxa27x-ohci: new USB bus registered, assigned bus number 1 > > pxa27x-ohci pxa27x-ohci: irq 3, io mem 0x4c000000 > > usb usb1: configuration #1 chosen from 1 choice > > hub 1-0:1.0: USB hub found > > hub 1-0:1.0: 3 ports detected > > usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 > > usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > > usb usb1: Product: PXA27x OHCI > > usb usb1: Manufacturer: Linux 2.6.27-dirty ohci_hcd > > usb usb1: SerialNumber: pxa27x > > sl811: driver sl811-hcd, 19 May 2005 > > r8a66597_hcd: driver r8a66597_hcd, 10 Apr 2008 > > > Do you really have sl811 and r8a66597 usb host controllers on your board? > > usb 1-3: new full speed USB device using pxa27x-ohci and address 2 > > usb 1-3: device descriptor read/64, error -62 > > usb 1-3: device descriptor read/64, error -62 > > usb 1-3: new full speed USB device using pxa27x-ohci and address 3 > > usb 1-3: device descriptor read/64, error -62 > > usb 1-3: device descriptor read/64, error -62 > > usb 1-3: new full speed USB device using pxa27x-ohci and address 4 > > usb 1-3: device not accepting address 4, error -62 > > usb 1-3: new full speed USB device using pxa27x-ohci and address 5 > > usb 1-3: device not accepting address 5, error -62 > > hub 1-0:1.0: unable to enumerate USB device on port 3 > > ====================================== > > > > > > Then I found a bit in UP2OCR -- (VPMBlockEnbN). > > It is quite strange (if not ugly:( ) the this bit is to control port 3 > > (In UP2OCR--a register for port 2, while there is too many unused > bits in > > UP3OCR) > > > > But I am not very sure how to use this bit. > > I grep the source tree, but found nothing about VPMBlockEnbN. > > > > > > Can anyone tell me that how to write a driver for USB-host-port-3? > > > As far as I know pxa310 usb port3 does not need any special driver > to work in host mode, ohci-pxa27x is enough. > Currently, the setup of registers, which are not related to UHC > (UP2OCR, UP3OCR, etc.), is done in the board code, in the ohci > callback. > > High appreciation for your kind help! > > > > > > > > > > _______________________________________________ > > linux-arm-kernel mailing list > > linux-arm-kernel at lists.infradead.org > > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > > > -- > Regards, > Igor. -- Regards, Igor. . -------------- next part -------------- A non-text attachment was scrubbed... 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