4 Nov
2011
4 Nov
'11
1:05 p.m.
2011/11/4 Hugo Holgersson hugoh@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