On 8 February 2018 at 12:02, Minas Harutyunyan <minas.harutyun...@synopsys.com> wrote: > Hi Mirza, > > On 2/7/2018 1:49 PM, Mirza Krak wrote:
< snip > > > Could you please provide additional info: > 1. Does your core support descriptor DMA mode? (bits 31 and 30 of GHWCFG4). > 2. Version of core (GSNPSID)? It does seem to support descriptor DMA mode, and content of both GHWCFG4 and GSNPSID are posted below. root@esp5-d1:~# dmesg | grep -E "GHWCFG4|GSNPSID" [ 1.109298] dwc2 ff540000.usb: GSNPSID @0xF0940040 : 0x4F54310A [ 1.109344] dwc2 ff540000.usb: GHWCFG4 @0xF0940050 : 0xC8004030 [ 1.489016] dwc2 ff580000.usb: GSNPSID @0xF09C0040 : 0x4F54310A [ 1.489063] dwc2 ff580000.usb: GHWCFG4 @0xF09C0050 : 0xDBF04030 Full register dump at boot (no devices connected) can be found at [1]. > 3. Do you connect any HS HUB between dwc core port and keyboard? Is it > available connection scenarios when Split traffic generated? There is actually an HS HUB (FE1_QFP48) between dwc core and keyboard, I was not aware of it but it is mounted on the board. [1]. https://gist.github.com/mirzak/a6245dddd4670f3b908a9783f9db8b0d -- Med Vänliga Hälsningar / Best Regards Mirza Krak -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
