Ejemplo n.º 1
0
void usbf_reset_controller(enum periph_id id, struct usb_ctlr *usbctlr)
{
	/* Reset the USB controller with 2us delay */
	reset_periph(id, 2);
#if !defined(CONFIG_TEGRA3)
	/*
	 * Set USB1_NO_LEGACY_MODE to 1, Registers are accessible under
	 * base address
	 */
	if (id == PERIPH_ID_USBD)
		bf_writel(USB1_NO_LEGACY_MODE, NO_LEGACY_MODE,
			&usbctlr->usb1_legacy_ctrl);
#endif
	/* Put UTMIP1/3 in reset */
	bf_writel(UTMIP_RESET, 1, &usbctlr->susp_ctrl);

	/* Set USB3 to use UTMIP PHY */
	if (id == PERIPH_ID_USB3)
		bf_writel(UTMIP_PHY_ENB, 1, &usbctlr->susp_ctrl);

	/*
	 * TODO: where do we take the USB1 out of reset? The old code would
	 * take USB3 out of reset, but not USB1. This code doesn't do either.
	 */
}
Ejemplo n.º 2
0
static void i2c_reset_controller(struct i2c_bus *i2c_bus)
{
	/* Reset I2C controller. */
	reset_periph(i2c_bus->periph_id, 1);

	/* re-program config register to packet mode */
	set_packet_mode(i2c_bus);
}
Ejemplo n.º 3
0
void usbf_reset_controller(struct fdt_usb *config, struct usb_ctlr *usbctlr)
{
	/* Reset the USB controller with 2us delay */
	reset_periph(config->periph_id, 2);

	/*
	 * Set USB1_NO_LEGACY_MODE to 1, Registers are accessible under
	 * base address
	 */
	if (config->has_legacy_mode)
		setbits_le32(&usbctlr->usb1_legacy_ctrl, USB1_NO_LEGACY_MODE);

	/* Put UTMIP1/3 in reset */
	setbits_le32(&usbctlr->susp_ctrl, UTMIP_RESET);

	/* Enable the UTMIP PHY */
	if (config->utmi)
		setbits_le32(&usbctlr->susp_ctrl, UTMIP_PHY_ENB);
}
Ejemplo n.º 4
0
void usbf_reset_controller(struct fdt_usb *config, struct usb_ctlr *usbctlr)
{
	/* Reset the USB controller with 2us delay */
	reset_periph(config->periph_id, 2);

	/*
	 * Set USB1_NO_LEGACY_MODE to 1, Registers are accessible under
	 * base address
	 */
	if (config->has_legacy_mode)
		setbits_le32(&usbctlr->usb1_legacy_ctrl, USB1_NO_LEGACY_MODE);

	/* Put UTMIP1/3 in reset */
	setbits_le32(&usbctlr->susp_ctrl, UTMIP_RESET);

	/* Enable the UTMIP PHY */
	if (config->utmi)
		setbits_le32(&usbctlr->susp_ctrl, UTMIP_PHY_ENB);

	/*
	 * TODO: where do we take the USB1 out of reset? The old code would
	 * take USB3 out of reset, but not USB1. This code doesn't do either.
	 */
}