[U-Boot] [PATCH v3 3/3] imx:mx6slevk add board level support for usb

[Peng Fan]

在 11/7/2014 4:26 PM, Marek Vasut 写道:
> On Friday, November 07, 2014 at 02:08:14 AM, Peng Fan wrote:
>> Add pinmux settings, implement board_ehci_hcd_init, board_usb_phy_mode
>>
>> There are two usb port on mx6slevk board:
>> 1. otg port
>> 2. host port
>> The following are the connection between usb controller and board usb
>> interface, host port has not ID pin set:
>> otg1 core <---> board otg port
>> otg2 core <---> board host port
>> In order to make host port work, board_usb_phy_mode return 0 to let
>> ehci-mx6.c driver decide otg2 core to works in host mode.
>>
>> Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
>> Signed-off-by: Ye Li <B37916 at freescale.com>
>> ---
>
> [...]
>
>> @@ -150,6 +151,63 @@ static int setup_fec(void)
>>   }
>>   #endif
>>
>> +#ifdef CONFIG_USB_EHCI_MX6
>> +#define USB_OTHERREGS_OFFSET	0x800
>> +#define USBPHY_CTRL		0x30
>> +#define UCTRL_PWR_POL		(1 << 9)
>> +#define USBPHY_CTRL_OTG_ID	0x08000000
>
> This looks like an duplication. Aren't those bits defined somewhere in
> generic code already ?
If this way 'int board_usb_phy_mode(int port, enum usb_init_type *type)' 
can be accpeted, these bits are not needed and I'll move these bits in 
the seperate PHY register struct access patch. Anyway, after the board 
level usb support patch.
> [...]
> Best regards,
> Marek Vasut
>
Regards,
Peng.