[U-Boot] [PATCH 1/5] imx:mx6sxsabresd add usb support

[Li Ye-B37916]

Hi Peng,

On 11/1/2014 10:19 AM, Peng Fan wrote:
> Add usb support for mx6sxsabresd board.
>
> Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
> Signed-off-by: Ye.Li <B37916 at freescale.com>
> ---
>  board/freescale/mx6sxsabresd/mx6sxsabresd.c | 29 +++++++++++++++++++++++++++++
>  include/configs/mx6sxsabresd.h              | 14 ++++++++++++++
>  2 files changed, 43 insertions(+)
>
> diff --git a/board/freescale/mx6sxsabresd/mx6sxsabresd.c b/board/freescale/mx6sxsabresd/mx6sxsabresd.c
> index 256ea29..016b8e8 100644
> --- a/board/freescale/mx6sxsabresd/mx6sxsabresd.c
> +++ b/board/freescale/mx6sxsabresd/mx6sxsabresd.c
> @@ -296,3 +296,32 @@ int checkboard(void)
>  
>  	return 0;
>  }
> +
> +#ifdef CONFIG_USB_EHCI_MX6
> +iomux_v3_cfg_t const usb_otg1_pads[] = {
> +	MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
> +	MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL)
> +};
> +
> +iomux_v3_cfg_t const usb_otg2_pads[] = {
> +	MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +int board_ehci_hcd_init(int port)
> +{
> +	switch (port) {
> +	case 0:
> +		imx_iomux_v3_setup_multiple_pads(usb_otg1_pads,
> +						 ARRAY_SIZE(usb_otg1_pads));
> +		break;
> +	case 1:
> +		imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
> +						 ARRAY_SIZE(usb_otg2_pads));
> +		break;
> +	default:
> +		printf("MXC USB port %d not yet supported\n", port);
> +		return 1;
> +	}
> +	return 0;
> +}
> +#endif
> diff --git a/include/configs/mx6sxsabresd.h b/include/configs/mx6sxsabresd.h
> index e02ea18..8edf187 100644
> --- a/include/configs/mx6sxsabresd.h
> +++ b/include/configs/mx6sxsabresd.h
> @@ -198,6 +198,20 @@
>  #define CONFIG_PHYLIB
>  #define CONFIG_PHY_ATHEROS
>  
> +
> +#define CONFIG_CMD_USB
> +#ifdef CONFIG_CMD_USB
> +#define CONFIG_USB_EHCI
> +#define CONFIG_USB_EHCI_MX6
> +#define CONFIG_USB_STORAGE
> +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
> +#define CONFIG_USB_HOST_ETHER
> +#define CONFIG_USB_ETHER_ASIX
> +#define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
> +#define CONFIG_MXC_USB_FLAGS   0
> +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
> +#endif
> +
>  #define CONFIG_CMD_PCI
>  #ifdef CONFIG_CMD_PCI
>  #define CONFIG_PCI
The OTG power polarity setting in ehci-imx6 driver is opposed with the board design. So without changing the polarity setting, we have to use GPIO to control the power switch.

Best regards,
Ye Li