[U-Boot] No power on USB host of IMX25 PDK

[Fabio Estevam]

2011/11/4 Hugo Holgersson <hugoh at student.chalmers.se>:

>  int board_init(void)
>  {
> +       struct iomuxc_mux_ctl *muxctl;
> +       struct iomuxc_pad_ctl *padctl;
> +       u32 gpio_mux_mode5 = MX25_PIN_MUX_MODE(5);
> +       u32 gpio_mux_mode6 = MX25_PIN_MUX_MODE(6);
> +
> +       muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
> +
> +       /* USBH2_PWR  */
> +       writel(gpio_mux_mode6, &muxctl->pad_d9);
> +       //writel(gpio_mux_mode5, &muxctl->pad_d9);
> +       //gpio_direction_output(MXC_GPIO_PORT_TO_NUM(4, 11), 1); /* Try keep power on. */
> +
> +       /* USBH2_OC */
> +       writel(gpio_mux_mode6, &muxctl->pad_d8);
> +
> +       /* USB_BT_CS low selects USB Host */
> +       writel(gpio_mux_mode5, &muxctl->pad_a21);             /* GPIO2[7] */
> +       gpio_direction_output(MXC_GPIO_PORT_TO_NUM(2, 7), 0); /* Chip select 0*/
> +

Can you try to place the USBH2 IOMUX inside board_early_init_f instead?

Regards,

Fabio Estevam