[U-Boot] [PATCH 3/3] imx: mx6sllevk: add usb support

[Marek Vasut]

On 12/21/2016 09:14 AM, Peng Fan wrote:
> Add usb support for mx6sllevk board.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> Cc: Stefano Babic <sbabic at denx.de>
> ---
>  board/freescale/mx6sllevk/mx6sllevk.c | 18 ++++++++++++++++++
>  configs/mx6sllevk_defconfig           |  5 +++++
>  configs/mx6sllevk_plugin_defconfig    |  5 +++++
>  include/configs/mx6sllevk.h           |  9 +++++++++
>  4 files changed, 37 insertions(+)
> 
> diff --git a/board/freescale/mx6sllevk/mx6sllevk.c b/board/freescale/mx6sllevk/mx6sllevk.c
> index 74a27a3..e6679fd 100644
> --- a/board/freescale/mx6sllevk/mx6sllevk.c
> +++ b/board/freescale/mx6sllevk/mx6sllevk.c
> @@ -129,3 +129,21 @@ int mmc_map_to_kernel_blk(int devno)
>  {
>  	return devno;
>  }
> +
> +#define USB_OTHERREGS_OFFSET   0x800
> +#define UCTRL_PWR_POL          (1 << 9)
> +
> +int board_ehci_hcd_init(int port)
> +{
> +	u32 *usbnc_usb_ctrl;
> +
> +	if (port > 1)
> +		return -EINVAL;
> +
> +	usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
> +				 port * 4);
> +
> +	/* Set Power polarity */
> +	setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
> +	return 0;
> +}

Is this function similar to what usb_oc_config() does ?

-- 
Best regards,
Marek Vasut