R: Installation on a MPC5200 based custom board

[Juergen Beisert]

On Freitag, 5. Dezember 2008, gianfranco.casanova at alice.it wrote:
> ========================================================
>
> Now plugging-in USB:
>
> ========================================================
>
> root at RadioNav: ~ #[   17.228078] hub 1-0:1.0: state 7 ports 2 chg 0000 evt
> 0004 root at RadioNav: ~ #[   17.233798] ppc-of-ohci f0001000.usb: GetStatus
> roothub.portstatus [1] = 0x00010101 CSC PPS CCS root at RadioNav: ~ #[  
> 17.242776] hub 1-0:1.0: port 2, status 0101, change 0001, 12 Mb/s
> root at RadioNav: ~ #[   17.374796] hub 1-0:1.0: debounce: port 2: total 100ms
> stable 100ms status 0x101 root at RadioNav: ~ #[   17.450780] ppc-of-ohci
> f0001000.usb: GetStatus roothub.portstatus [1] = 0x00100103 PRSC PPS PES
> CCS root at RadioNav: ~ #[   17.514787] usb 1-2: new full speed USB device
> using ppc-of-ohci and address 2 root at RadioNav: ~ #[   24.027842] usb 1-2:
> khubd timed out on ep0in len=0/64 root at RadioNav: ~ #[   29.199841] usb 1-2:
> khubd timed out on ep0in len=0/64 root at RadioNav: ~ #[   34.307841] usb 1-2:
> khubd timed out on ep0in len=0/64 root at RadioNav: ~ #[   34.382786]
> ppc-of-ohci f0001000.usb: GetStatus roothub.portstatus [1] = 0x00100103
> PRSC PPS PES CCS root at RadioNav: ~ #[   34.446789] usb 1-2: device
> descriptor read/64, error -110 root at RadioNav: ~ #
> root at RadioNav: ~ #cat /proc/interrupts
>            CPU0
> 134:       5689  MPC52xx Peripherals Edge      ohci_hcd:usb1
> 139:        207  MPC52xx Peripherals Edge      mpc52xx_psc_uart
> 143:          0  MPC52xx Peripherals Edge      i2c-mpc
> 144:          0  MPC52xx Peripherals Edge      i2c-mpc
> BAD:          0
> root at RadioNav: ~ #
>
> ========================================================
>
> we were thinking to some problem like:
>
> http://www.nabble.com/USB-support-on-mpc5200-broken-td19658810.html
>
> or
>
> http://www.nabble.com/MPC5200-PCI-interrupt-routing-p19608472.html

Sounds like a wrong or missed clock configuration. Is your "CDM 48 MHz 
Fractional Divider Configuration Register Field Descriptions (0x0210)" setup 
correctly?

Some kernel revisions guesses and fixes the setting, some other not.

Regards,
Juergen

-- 
 Dipl.-Ing. Juergen Beisert | http://www.pengutronix.de
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