Subject: Re: USB on 8250 PCI

From: Wojciech Kromer <[email-masked]>
Date: Thu, 07 Apr 2005 08:23:13 +0200

i still can't figure out is it a hardware or configuration problem,
i can see all registers, drivers seems to work,
it can detect device insert
but there is no data transmision

there are also no interrupts,
i'm not sure what to write in interrupt_line in PCI config space

any hints?

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here is my dmesg part:

ehci_hcd 00:1e.2: PCI device 1033:00e0
ehci_hcd 00:1e.2: irq -20, pci mem c924b000
usb.c: new USB bus registered, assigned bus number 1
ehci_hcd 00:1e.2: ehci_start hcs_params 0x2385 dbg=0 cc=2 pcc=3 !ppc 
ports=5
ehci_hcd 00:1e.2: ehci_start portroute 1 0 1 0 0
ehci_hcd 00:1e.2: ehci_start hcc_params e806 thresh 0 uframes 
256/512/1024 park
ehci_hcd 00:1e.2: capability 0001 at e8
ehci_hcd 00:1e.2: reset command 080b02 park=3 ithresh=8 period=1024 
Reset HALT
PCI: 00:1e.2 PCI cache line size set incorrectly (0 bytes) by BIOS/FW, 
correcting to 32
ehci_hcd 00:1e.2: init command 010b09 park=3 ithresh=1 period=256 RUN
ehci_hcd 00:1e.2: USB 2.0 enabled, EHCI 1.00, driver 2003-Dec-29/2.4
hcd.c: 00:1e.2 root hub device address 1
usb.c: kmalloc IF c727f340, numif 1
usb.c: new device strings: Mfr=3, Product=2, SerialNumber=1
usb.c: USB device number 1 default language ID 0x0
Manufacturer: Linux 2.4.19-dgt ehci_hcd
Product: PCI device 1033:00e0
SerialNumber: 00:1e.2
hub.c: USB hub found
hub.c: 5 ports detected
hub.c: standalone hub
hub.c: ganged power switching
hub.c: individual port over-current protection
hub.c: Single TT
hub.c: TT requires at most 8 FS bit times
hub.c: Port indicators are not supported
hub.c: power on to power good time: 0ms
hub.c: hub controller current requirement: 0mA
hub.c: port removable status: RRRRR
hub.c: local power source is good
hub.c: no over-current condition exists
hub.c: enabling power on all ports
usb.c: hub driver claimed interface c727f340
ehci_hcd 00:1e.2: GetStatus port 1 status 001803 POWER sig=j  CSC CONNECT
hub.c: port 1, portstatus 501, change 1, 480 Mb/s
hub.c: port 1 connection change
hub.c: port 1, portstatus 501, change 1, 480 Mb/s
hub.c: port 1, portstatus 501, change 0, 480 Mb/s
hub.c: port 1, portstatus 501, change 0, 480 Mb/s
hub.c: port 1, portstatus 501, change 0, 480 Mb/s
hub.c: port 1, portstatus 501, change 0, 480 Mb/s
hub.c: port 1, portstatus 511, change 0, 480 Mb/s
hub.c: port 1 of hub 1 not reset yet, waiting 10ms
hub.c: port 1, portstatus 511, change 0, 480 Mb/s
hub.c: port 1 of hub 1 not reset yet, waiting 10ms
ehci_hcd 00:1e.2: port 1 full speed --> companion
ehci_hcd 00:1e.2: GetStatus port 1 status 003801 POWER OWNER sig=j  CONNECT
hub.c: port 1, portstatus 0, change 10, 12 Mb/s
ehci_hcd 00:1e.2: free_config  devnum 0
hub.c: port 2, portstatus 100, change 0, 12 Mb/s
hub.c: port 3, portstatus 100, change 0, 12 Mb/s
hub.c: port 4, portstatus 100, change 0, 12 Mb/s
hub.c: port 5, portstatus 100, change 0, 12 Mb/s