From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] dwc2: usb: Unable to clear channel error
Date: Fri, 27 Oct 2017 12:30:56 +0000 [thread overview]
Message-ID: <410670D7E743164D87FA6160E7907A560113A34D28@am04wembxa.internal.synopsys.com> (raw)
In-Reply-To: a784fd42-db98-59da-55b3-8aed60e84cee@kernel.org
On 10/24/2017 3:23 AM, Dinh Nguyen wrote:
>
>
> On 10/23/2017 09:03 AM, Minas Harutyunyan wrote:
>> On 10/19/2017 5:35 PM, Dinh Nguyen wrote:
>>>
>>>
>>> On 10/19/2017 06:55 AM, Grigor Tovmasyan wrote:
>>>> On 10/18/2017 6:07 PM, Marek Vasut wrote:
>>>>> On 10/18/2017 04:05 PM, Dinh Nguyen wrote:
>>>>>> Hi,
>>>>>>
>>>>>> I'm trying to bringup the DWC2 USB IP version 330A on a new Stratix10
>>>>>> SoC and have encountered this error in both Linux and U-Boot:
>>>>>>
>>>>>> U-Boot(version v2017.09)
>>>>>>
>>>>>> # usb start
>>>>>> starting USB...
>>>>>> USB0: Core Release: 3.30a
>>>>>> dwc_otg_core_host_init: Timeout!
>>>>>> dwc_otg_core_host_init: Timeout!
>>>>>>
>>>>>> Linux(kernel v4.13)
>>>>>>
>>>>>> [ 1.299891] dwc2 ffb00000.usb: DWC OTG Controller
>>>>>> [ 1.304628] dwc2 ffb00000.usb: new USB bus registered, assigned bus
>>>>>> number 1
>>>>>> [ 1.311698] dwc2 ffb00000.usb: irq 13, io mem 0xffb00000
>>>>>> [ 1.318309] dwc2 ffb00000.usb: Unable to clear enable on channel 0
>>>>>> [ 1.325749] dwc2 ffb00000.usb: Unable to clear enable on channel 1
>>>>>> [ 1.333187] dwc2 ffb00000.usb: Unable to clear enable on channel 2
>>>>>> [ 1.340626] dwc2 ffb00000.usb: Unable to clear enable on channel 3
>>>>>> [ 1.348064] dwc2 ffb00000.usb: Unable to clear enable on channel 4
>>>>>> [ 1.355503] dwc2 ffb00000.usb: Unable to clear enable on channel 5
>>>>>> [ 1.362941] dwc2 ffb00000.usb: Unable to clear enable on channel 6
>>>>>> [ 1.370379] dwc2 ffb00000.usb: Unable to clear enable on channel 7
>>>>>> [ 1.377818] dwc2 ffb00000.usb: Unable to clear enable on channel 8
>>>>>> [ 1.385256] dwc2 ffb00000.usb: Unable to clear enable on channel 9
>>>>>> [ 1.392694] dwc2 ffb00000.usb: Unable to clear enable on channel 10
>>>>>> [ 1.400218] dwc2 ffb00000.usb: Unable to clear enable on channel 11
>>>>>> [ 1.407743] dwc2 ffb00000.usb: Unable to clear enable on channel 12
>>>>>> [ 1.415269] dwc2 ffb00000.usb: Unable to clear enable on channel 13
>>>>>> [ 1.422794] dwc2 ffb00000.usb: Unable to clear enable on channel 14
>>>>>>
>>>>>> Just wondering if anyone might have an idea on what could be causing
>>>>>> this error?
>>>>>
>>>>> Maybe some clock are not enabled ?
>>>>>
>>>>
>>>> Hi ,
>>>>
>>>> Are you following board/hisilicon/hikey/README file instructions when
>>>> using U-Boot? Specially paragraph FLASHING point 4, where discussed
>>>> "dwc_otg_core_host_init: Timeout!" message.
>>>>
>>>
>>> I saw that, but I don't know how that applies to a Stratix10 platform?
>>>
>>> Dinh
>>>
>>>
>> Hi,
>>
>> Did you able to resolve this issue? If not, please provide verbose debug
>> log and register dump.
>>
>
> I double-checked the clocks and it looks like all of the necessary
> clocks are enabled. Here are the log and register dump for U-Boot, I'll
> follow-up with the Linux log shortly.
>
> For U-Boot:
>
> SOCFPGA_STRATIX10 # usb start
> starting USB...
> USB0: Core Release: 3.30a
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00500 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00520 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00540 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00560 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00580 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb005a0 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb005c0 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb005e0 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00600 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00620 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00640 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00660 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb00680 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb006a0 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> dwc_otg_core_host_init: Timeout (reg=00000000ffb006c0 mask=80000000
> wait_set=0)
> dwc_otg_core_host_init: Timeout!
> scanning bus 0 for devices... dwc2_submit_control_msg:
> dev='usb at ffb00000', udev=000000003fa50380, udev->dev='usb at ffb00000',
> portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa50380,
> udev->dev='usb at ffb00000', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa4f440,
> udev->dev='usb_hub', portnr=1
> chunk_msg: msg: pipe 80000083 pid 3 in 0 len 8
> transfer_chunk: chunk: pid 3 xfer_len 8 pkts 1
> wait_for_chhltd: Timeout (reg=00000000ffb00508 mask=00000002 wait_set=1)
> unable to get device descriptor (error=-110)
> dwc2_submit_control_msg: dev='usb at ffb00000', udev=000000003fa55080,
> udev->dev='usb_hub', portnr=0
> 1 USB Device(s) found
> scanning usb for storage devices... 0 Storage Device(s) found
> SOCFPGA_STRATIX10
>
> Before "usb start", the registers are:
>
> ffb00000: 00200000 00000000 00000000 00001410 .. .............
> ffb00010: 80000000 04000021 00000000 00000000 ....!...........
> ffb00020: 00000000 00002000 20002000 00082000 ..... ... . . ..
> ffb00030: 00000000 00000000 00000000 12345678 ............xV4.
> ffb00040: 4f54330a 00000000 238ffc90 1f8002e8 .3TO.......#....
> ffb00050: fe0f0020 00000000 00000000 1f802000 ............ ..
> ffb00060: 00000000 00000000 00000000 00000000 ................
> ffb00070: 00000000 00000000 00000000 00000000 ................
> ffb00080: 00000000 00000000 00000000 00000000 ................
> ffb00090: 00000000 00000000 00000000 00000000 ................
> ffb000a0: 00000000 00000000 00000000 00000000 ................
> ffb000b0: 00000000 00000000 00000000 00000000 ................
> ffb000c0: 00000000 00000000 00000000 00000000 ................
> ffb000d0: 00000000 00000000 00000000 00000000 ................
> ffb000e0: 00000000 00000000 00000000 00000000 ................
> ffb000f0: 00000000 00000000 00000000 00000000 ................
> ffb00100: 20004000 00000000 00000000 00000000 . at . ............
> ffb00110: 00000000 00000000 00000000 00000000 ................
> ffb00120: 00000000 00000000 00000000 00000000 ................
> ffb00130: 00000000 00000000 00000000 00000000 ................
> ffb00140: 00000000 00000000 00000000 00000000 ................
> ffb00150: 00000000 00000000 00000000 00000000 ................
> ffb00160: 00000000 00000000 00000000 00000000 ................
> ffb00170: 00000000 00000000 00000000 00000000 ................
> ffb00180: 00000000 00000000 00000000 00000000 ................
>
>
>
> ffb00500: 00000000 00000000 00000000 00000000 ................
> ffb00510: 00000000 ffffff7f 00000000 ffffff7f ................
> ffb00520: 00000000 00000000 00000000 00000000 ................
> ffb00530: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00540: 00000000 00000000 00000000 00000000 ................
> ffb00550: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00560: 00000000 00000000 00000000 00000000 ................
> ffb00570: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00580: 00000000 00000000 00000000 00000000 ................
> ffb00590: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb005a0: 00000000 00000000 00000000 00000000 ................
> ffb005b0: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb005c0: 00000000 00000000 00000000 00000000 ................
> ffb005d0: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb005e0: 00000000 00000000 00000000 00000000 ................
> ffb005f0: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00600: 00000000 00000000 00000000 00000000 ................
> ffb00610: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00620: 00000000 00000000 00000000 00000000 ................
> ffb00630: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00640: 00000000 00000000 00000000 00000000 ................
> ffb00650: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00660: 00000000 00000000 00000000 00000000 ................
> ffb00670: 00000000 ffffff7f 00002000 ffffff7f ......... ......
> ffb00680: 00000000 00000000 00000000 00000000 ................
>
> After "usb start":
>
> # md.l 0xffb00000 64
> ffb00000: 002e0000 00080000 00000026 01301710 ........&.....0.
> ffb00010: 80000000 3500002d 00000000 ffffff7f ....-..5........
> ffb00020: ffffff7f 00000214 01000214 47080100 ...............G
> ffb00030: 00000000 00000000 00000000 12345678 ............xV4.
> ffb00040: 4f54330a 00000000 238ffc90 1f8002e8 .3TO.......#....
> ffb00050: fe0f0020 00000000 00000000 1f802000 ............ ..
> ffb00060: 00000000 00000000 00000000 00000000 ................
> ffb00070: 00000000 00000000 00000000 00000000 ................
> ffb00080: 00000000 00000000 00000000 00000000 ................
> ffb00090: 00000000 00000000 00000000 00000000 ................
> ffb000a0: 00000000 00000000 00000000 00000000 ................
> ffb000b0: 00000000 00000000 00000000 00000000 ................
> ffb000c0: 00000000 00000000 00000000 00000000 ................
> ffb000d0: 00000000 00000000 00000000 00000000 ................
> ffb000e0: 00000000 00000000 00000000 00000000 ................
> ffb000f0: 00000000 00000000 00000000 00000000 ................
> ffb00100: 02000314 00000000 00000000 00000000 ................
> ffb00110: 00000000 00000000 00000000 00000000 ................
> ffb00120: 00000000 00000000 00000000 00000000 ................
> ffb00130: 00000000 00000000 00000000 00000000 ................
> ffb00140: 00000000 00000000 00000000 00000000 ................
> ffb00150: 00000000 00000000 00000000 00000000 ................
> ffb00160: 00000000 00000000 00000000 00000000 ................
> ffb00170: 00000000 00000000 00000000 00000000 ................
> ffb00180: 00000000 00000000 00000000 00000000 ................
>
>
> # md.l 0xffb00500 64
> ffb00500: c0100040 00000000 00000000 00000000 @...............
> ffb00510: 60080008 ffffff7f 00000000 ffffff7f ...`............
> ffb00520: c0000000 00000000 00000000 00000000 ................
> ffb00530: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00540: c0000000 00000000 00000000 00000000 ................
> ffb00550: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00560: c0000000 00000000 00000000 00000000 ................
> ffb00570: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00580: c0000000 00000000 00000000 00000000 ................
> ffb00590: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb005a0: c0000000 00000000 00000000 00000000 ................
> ffb005b0: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb005c0: c0000000 00000000 00000000 00000000 ................
> ffb005d0: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb005e0: c0000000 00000000 00000000 00000000 ................
> ffb005f0: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00600: c0000000 00000000 00000000 00000000 ................
> ffb00610: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00620: c0000000 00000000 00000000 00000000 ................
> ffb00630: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00640: c0000000 00000000 00000000 00000000 ................
> ffb00650: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00660: c0000000 00000000 00000000 00000000 ................
> ffb00670: 00000000 ffffff7f 00000100 ffffff7f ................
> ffb00680: c0000000 00000000 00000000 00000000 ................
>
> I'll follow up the the Linux debug output shortly.
>
> Dinh
>
Hi,
Can you please apply this patch to Linux kernel driver and check if it
help you overcome issue.
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index f4ef159b538e..e8e7db216b64 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2384,10 +2384,12 @@ static void dwc2_core_host_init(struct
dwc2_hsotg *hsotg)
num_channels = hsotg->params.host_channels;
for (i = 0; i < num_channels; i++) {
hcchar = dwc2_readl(hsotg->regs + HCCHAR(i));
- hcchar &= ~HCCHAR_CHENA;
- hcchar |= HCCHAR_CHDIS;
- hcchar &= ~HCCHAR_EPDIR;
- dwc2_writel(hcchar, hsotg->regs + HCCHAR(i));
+ if (hcchar & HCCHAR_CHENA) {
+ hcchar &= ~HCCHAR_CHENA;
+ hcchar |= HCCHAR_CHDIS;
+ hcchar &= ~HCCHAR_EPDIR;
+ dwc2_writel(hcchar, hsotg->regs +
HCCHAR(i));
+ }
}
/* Halt all channels to put them into a known state */
@@ -2395,21 +2397,24 @@ static void dwc2_core_host_init(struct
dwc2_hsotg *hsotg)
int count = 0;
hcchar = dwc2_readl(hsotg->regs + HCCHAR(i));
- hcchar |= HCCHAR_CHENA | HCCHAR_CHDIS;
- hcchar &= ~HCCHAR_EPDIR;
- dwc2_writel(hcchar, hsotg->regs + HCCHAR(i));
- dev_dbg(hsotg->dev, "%s: Halt channel %d\n",
- __func__, i);
- do {
- hcchar = dwc2_readl(hsotg->regs +
HCCHAR(i));
- if (++count > 1000) {
- dev_err(hsotg->dev,
- "Unable to clear enable
on channel %d\n",
- i);
- break;
- }
- udelay(1);
- } while (hcchar & HCCHAR_CHENA);
+ if (hcchar & HCCHAR_CHENA) {
+ hcchar |= HCCHAR_CHENA | HCCHAR_CHDIS;
+ hcchar &= ~HCCHAR_EPDIR;
+ dwc2_writel(hcchar, hsotg->regs +
HCCHAR(i));
+ dev_dbg(hsotg->dev, "%s: Halt channel %d\n",
+ __func__, i);
+ do {
+ hcchar = dwc2_readl(hsotg->regs +
+ HCCHAR(i));
+ if (++count > 1000) {
+ dev_err(hsotg->dev,
+ "Unable to clear
enable on channel %d\n",
+ i);
+ break;
+ }
+ udelay(1);
+ } while (hcchar & HCCHAR_CHENA);
+ }
}
}
Thanks,
Minas
prev parent reply other threads:[~2017-10-27 12:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-16 13:57 [PATCH] usb: dwc2: disable erroneous overcurrent condition Dinh Nguyen
2017-10-16 16:37 ` Marek Vasut
2017-10-18 6:08 ` Minas Harutyunyan
[not found] ` <4a08bf02-9209-8fc5-767c-b6e875c12467@kernel.org>
[not found] ` <42ee477b-f5e3-1037-34b7-3682199abf31@denx.de>
[not found] ` <32EB88BF8EC1614E9FB18BD3718BE1A1163C1882@am04wembxa.internal.synopsys.com>
[not found] ` <017c2195-d321-45b6-517b-b4f4d6da1e41@kernel.org>
[not found] ` <410670D7E743164D87FA6160E7907A560113A31DA7@am04wembxa.internal.synopsys.com>
2017-10-23 23:23 ` [U-Boot] dwc2: usb: Unable to clear channel error Dinh Nguyen
2017-10-27 12:30 ` Minas Harutyunyan [this message]
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