[U-Boot] Need help with u-boot problem with usb-keyboard / kvm switch
Hi Marek, et al,
I'm working on cleaning up Luc's hdmi out support patchset for sunxi.
As part of this I want to also add support for usb keyboards, so as to get a full console without needing to solder wires to testpoints on some boards :)
So when I plug in the usb coming from my kvm I get this:
(Re)start USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80 3 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found
And the usb keyboard does not work.
If I plug in a single usb-2 hub (no ohci support for sunxi in u-boot yet), then things do work, but after a few minutes of inactivity the usb code starts spamming the console with:
EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 ...
Could this be a problem with the phy settings (iow a sunxi specific problem)?
When using the kvm on my pc, the tree structure looks like this:
/: Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 4: Dev 4, If 0, Class=Mass Storage, Driver=usb-storage, 480M |__ Port 2: Dev 3, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 3: Dev 11, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M |__ Port 4: Dev 9, If 0, Class=Hub, Driver=hub/4p, 12M |__ Port 1: Dev 10, If 0, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 1: Dev 10, If 1, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 1: Dev 10, If 2, Class=Human Interface Device, Driver=usbhid, 12M
Hmm, after a bit longer I also get these errors:
ERROR: v7_dcache_inval_range - start address is not aligned - 0xe59ff014
Could the problem be that the usb code is feeding unaligned buffers to the ehci controller ?
Regards,
Hans
On Wednesday, September 17, 2014 at 09:19:11 PM, Luc Verhaegen wrote:
On Wed, Sep 17, 2014 at 09:11:38PM +0200, Hans de Goede wrote:
Hi Marek, et al,
I'm working on cleaning up Luc's hdmi out support patchset for sunxi.
?
Your email is missing it's contents, is that at typo ?
Best regards, Marek Vasut
Hi,
On 09/17/2014 09:19 PM, Luc Verhaegen wrote:
On Wed, Sep 17, 2014 at 09:11:38PM +0200, Hans de Goede wrote:
Hi Marek, et al,
I'm working on cleaning up Luc's hdmi out support patchset for sunxi.
?
Cleaning up may not have been the best choice of words, I was talking about the rebase on top of upstream u-boot + the various fixes you already know about.
I plan to submit a patch-set to the kernel for the clock resource stuff for simplefb to the proper lists for that discussion soon, and assuming that gets accepted I would like to land the hdmi support in upstream u-boot soon.
Regards,
Hans
On Thu, Sep 18, 2014 at 10:34:04AM +0200, Hans de Goede wrote:
Hi,
Cleaning up may not have been the best choice of words, I was talking about the rebase on top of upstream u-boot + the various fixes you already know about.
I plan to submit a patch-set to the kernel for the clock resource stuff for simplefb to the proper lists for that discussion soon, and assuming that gets accepted I would like to land the hdmi support in upstream u-boot soon.
Ok, thanks for getting me up to date on this.
As for simplefb, i had given up on that, and wanted to cough up an alternate driver that simply wouldn't be called that. But as usual, i am all over the place. So let's see how the simplefb route goes. Good luck.
Thanks,
Luc Verhaegen.
Hi Hans,
On 09/17/2014 12:11 PM, Hans de Goede wrote:
Hi Marek, et al,
I'm working on cleaning up Luc's hdmi out support patchset for sunxi.
As part of this I want to also add support for usb keyboards, so as to get a full console without needing to solder wires to testpoints on some boards :)
So when I plug in the usb coming from my kvm I get this:
(Re)start USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80 3 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found
And the usb keyboard does not work.
If I plug in a single usb-2 hub (no ohci support for sunxi in u-boot yet), then things do work, but after a few minutes of inactivity the usb code starts spamming the console with:
EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 ...
Could this be a problem with the phy settings (iow a sunxi specific problem)?
Probably not.
We've seen the same thing on SABRE Lite and Nitrogen6X boards.
U-Boot > usb start ; setenv stdin serial,usbkbd (Re)start USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... 2 USB Device(s) found USB1: USB EHCI 1.00 scanning bus 1 for devices... EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 6 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Timeout poll on interrupt endpoint Failed to get keyboard state from device 1c4f:0002 U-Boot > usb tree USB device tree: 1 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-2 Mass Storage (480 Mb/s, 100mA) Generic Mass Storage 4A3709D5
3 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-4 Hub (480 Mb/s, 2mA) | +-5 Human Interface (1.5 Mb/s, 100mA) | Logitech USB Optical Mouse | +-6 Hub (480 Mb/s, 100mA) | | USB 2.0 Hub | | | +-7 Human Interface (1.5 Mb/s, 98mA) | USB USB Keykoard | +-8 (12 Mb/s, 100mA)
Oddly, the issue seems to be specific to **some** USB keyboards.
We have some (mostly older) USB keyboards that just work and have had investigation on our to-do list for quite some time now.
I was going to start with a question to the list:
Is anyone else using USB keyboard support?
USB mass storage seems to be pretty reliable. We have folks using it as an alternate boot for emergency situations.
Regards,
Eric
On Wednesday, September 17, 2014 at 09:29:07 PM, Eric Nelson wrote:
Hi Hans,
On 09/17/2014 12:11 PM, Hans de Goede wrote:
Hi Marek, et al,
I'm working on cleaning up Luc's hdmi out support patchset for sunxi.
As part of this I want to also add support for usb keyboards, so as to get a full console without needing to solder wires to testpoints on some boards :)
So when I plug in the usb coming from my kvm I get this:
(Re)start USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80 3 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) foundAnd the usb keyboard does not work.
If I plug in a single usb-2 hub (no ohci support for sunxi in u-boot yet), then things do work, but after a few minutes of inactivity the usb code starts spamming the console with:
EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 ...
Could this be a problem with the phy settings (iow a sunxi specific problem)?
Probably not.
We've seen the same thing on SABRE Lite and Nitrogen6X boards.
I agree, this happens. Which controller and driver do you use on the Sunxi hardware?
btw you can check if this is a cache issue by disabling dcache (set CONFIG_CMD_CACHE in the config and use 'dcache off' before 'usb start'). You can also patch the arch/arm/lib/cache-cp15.c functions to do additional alignment checks (always a good idea) , just like I did that in arch/arm/cpu/arm926ejs/cache.c
Best regards, Marek Vasut
Hi All,
On 09/18/2014 03:29 AM, Eric Nelson wrote:
Hi Hans,
On 09/17/2014 12:11 PM, Hans de Goede wrote:
Hi Marek, et al,
I'm working on cleaning up Luc's hdmi out support patchset for sunxi.
As part of this I want to also add support for usb keyboards, so as to get a full console without needing to solder wires to testpoints on some boards :)
So when I plug in the usb coming from my kvm I get this:
(Re)start USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... EHCI timed out on TD - token=0x80008c80 3 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found
And the usb keyboard does not work.
If I plug in a single usb-2 hub (no ohci support for sunxi in u-boot yet), then things do work, but after a few minutes of inactivity the usb code starts spamming the console with:
EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 ...
Could this be a problem with the phy settings (iow a sunxi specific problem)?
Probably not.
We've seen the same thing on SABRE Lite and Nitrogen6X boards.
U-Boot > usb start ; setenv stdin serial,usbkbd (Re)start USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... 2 USB Device(s) found USB1: USB EHCI 1.00 scanning bus 1 for devices... EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 EHCI timed out on TD - token=0x80008c80 6 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found Timeout poll on interrupt endpoint Failed to get keyboard state from device 1c4f:0002 U-Boot > usb tree USB device tree: 1 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-2 Mass Storage (480 Mb/s, 100mA) Generic Mass Storage 4A3709D5
3 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-4 Hub (480 Mb/s, 2mA) | +-5 Human Interface (1.5 Mb/s, 100mA) | Logitech USB Optical Mouse | +-6 Hub (480 Mb/s, 100mA) | | USB 2.0 Hub | | | +-7 Human Interface (1.5 Mb/s, 98mA) | USB USB Keykoard | +-8 (12 Mb/s, 100mA)
Oddly, the issue seems to be specific to **some** USB keyboards.
We have some (mostly older) USB keyboards that just work and have had investigation on our to-do list for quite some time now.
I was going to start with a question to the list:
Is anyone else using USB keyboard support?
I use the USB keyboard with following hack patch (which based on v2013.04), then it works well on my side.
--->8--- diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index bc17b85..b74bfd7 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -515,6 +515,7 @@ static inline int sohci_return_job(struct ohci *hc, urb_priv_t *urb) ohci_readl(®s->intrdisable); /* PCI posting flush */ } urb->actual_length = 0; +#if 0 td_submit_job( urb->dev, urb->pipe, @@ -523,6 +524,8 @@ static inline int sohci_return_job(struct ohci *hc, urb_priv_t *urb) NULL, urb, urb->interval); +#endif + urb_free_priv(urb); break; case PIPE_CONTROL: case PIPE_BULK: ---8<---
USB mass storage seems to be pretty reliable. We have folks using it as an alternate boot for emergency situations.
Regards,
Eric
Best Regards, Bo Shen
participants (5)
-
Bo Shen -
Eric Nelson -
Hans de Goede -
Luc Verhaegen -
Marek Vasut