コード例 #1
0
static void omap_start_hc(struct omap_dev *dev)
{
	printk(KERN_DEBUG __FILE__ 
	       ": starting OMAP OHCI USB Controller\n");

	/* 
	 * Set the HMC mode for the USB ports
	 */
#if 0
	/* See note about the Innovator wiring above */
	if (omap_is_innovator())
		hmc_mode = 4;	/* 0: function 1: host 2: host */
#endif

	if (cpu_is_omap_1610())
		ocpi_enable();

	omap_usb_set_hmc_mode(hmc_mode);

	omap_ohci_clock_power(1);
	omap_ohci_transceiver_power(1);

	if (cpu_is_omap_1510()) {
		omap_1510_local_bus_power(1);
		omap_1510_local_bus_init();
	}

	if (cpu_is_omap_1610())
		omap_1610_usb_init(hmc_mode);

	//omap_enable_device(dev);
}
コード例 #2
0
ファイル: ocpi.c プロジェクト: Blackburn29/PsycoKernel
static int __init omap_ocpi_init(void)
{
	if (!cpu_is_omap16xx())
		return -ENODEV;

	ocpi_ck = clk_get(NULL, "l3_ocpi_ck");
	if (IS_ERR(ocpi_ck))
		return PTR_ERR(ocpi_ck);

	clk_enable(ocpi_ck);
	ocpi_enable();
	printk("OMAP OCPI interconnect driver loaded\n");

	return 0;
}
コード例 #3
0
ファイル: ohci-omap.c プロジェクト: maraz/linux-2.6
static int ohci_omap_init(struct usb_hcd *hcd)
{
	struct ohci_hcd		*ohci = hcd_to_ohci(hcd);
	struct omap_usb_config	*config = hcd->self.controller->platform_data;
	int			need_transceiver = (config->otg != 0);
	int			ret;

	dev_dbg(hcd->self.controller, "starting USB Controller\n");

	if (config->otg) {
		ohci_to_hcd(ohci)->self.otg_port = config->otg;
		/* default/minimum OTG power budget:  8 mA */
		ohci_to_hcd(ohci)->power_budget = 8;
	}

	/* boards can use OTG transceivers in non-OTG modes */
	need_transceiver = need_transceiver
			|| machine_is_omap_h2() || machine_is_omap_h3();

	if (cpu_is_omap16xx())
		ocpi_enable();

#ifdef	CONFIG_ARCH_OMAP_OTG
	if (need_transceiver) {
		ohci->transceiver = otg_get_transceiver();
		if (ohci->transceiver) {
			int	status = otg_set_host(ohci->transceiver,
						&ohci_to_hcd(ohci)->self);
			dev_dbg(hcd->self.controller, "init %s transceiver, status %d\n",
					ohci->transceiver->label, status);
			if (status) {
				if (ohci->transceiver)
					put_device(ohci->transceiver->dev);
				return status;
			}
		} else {
			dev_err(hcd->self.controller, "can't find transceiver\n");
			return -ENODEV;
		}
	}
#endif

	omap_ohci_clock_power(1);

	if (cpu_is_omap1510()) {
		omap_1510_local_bus_power(1);
		omap_1510_local_bus_init();
	}

	if ((ret = ohci_init(ohci)) < 0)
		return ret;

	/* board-specific power switching and overcurrent support */
	if (machine_is_omap_osk() || machine_is_omap_innovator()) {
		u32	rh = roothub_a (ohci);

		/* power switching (ganged by default) */
		rh &= ~RH_A_NPS;

		/* TPS2045 switch for internal transceiver (port 1) */
		if (machine_is_omap_osk()) {
			ohci_to_hcd(ohci)->power_budget = 250;

			rh &= ~RH_A_NOCP;

			/* gpio9 for overcurrent detction */
			omap_cfg_reg(W8_1610_GPIO9);
			omap_request_gpio(9);
			omap_set_gpio_direction(9, 1 /* IN */);

			/* for paranoia's sake:  disable USB.PUEN */
			omap_cfg_reg(W4_USB_HIGHZ);
		}
		ohci_writel(ohci, rh, &ohci->regs->roothub.a);
		distrust_firmware = 0;
	} else if (machine_is_nokia770()) {
		/* We require a self-powered hub, which should have
		 * plenty of power. */
		ohci_to_hcd(ohci)->power_budget = 0;
	}

	/* FIXME khubd hub requests should manage power switching */
	omap_ohci_transceiver_power(1);

	/* board init will have already handled HMC and mux setup.
	 * any external transceiver should already be initialized
	 * too, so all configured ports use the right signaling now.
	 */

	return 0;
}
コード例 #4
0
ファイル: ohci-omap.c プロジェクト: GodFox/magx_kernel_xpixl
static int omap_start_hc(struct ohci_hcd *ohci, struct platform_device *pdev)
{
	struct omap_usb_config	*config = pdev->dev.platform_data;
	int			need_transceiver = (config->otg != 0);

	dev_dbg(&pdev->dev, "starting USB Controller\n");

	if (config->otg) {
		ohci->hcd.self.otg_port = config->otg;
		/* default/minimum OTG power budget:  8 mA */
		ohci->power_budget = 8;
	}

	/* boards can use OTG transceivers in non-OTG modes */
	need_transceiver = need_transceiver
			|| machine_is_omap_h2() || machine_is_omap_h3();

	if (cpu_is_omap16xx())
		ocpi_enable();

#ifdef	CONFIG_ARCH_OMAP_OTG
	if (need_transceiver) {
		ohci->transceiver = otg_get_transceiver();
		if (ohci->transceiver) {
			int	status = otg_set_host(ohci->transceiver,
						&ohci->hcd.self);
			dev_dbg(&pdev->dev, "init %s transceiver, status %d\n",
					ohci->transceiver->label, status);
			if (status) {
				if (ohci->transceiver)
					put_device(ohci->transceiver->dev);
				return status;
			}
		} else {
			dev_err(&pdev->dev, "can't find transceiver\n");
			return -ENODEV;
		}
	}
#endif

	if (machine_is_omap_osk()) {
		omap_request_gpio(9);
		omap_set_gpio_direction(9, 1);
		omap_set_gpio_dataout(9, 1);
	}

	omap_ohci_clock_power(1);

	omap_ohci_transceiver_power(1);

	if (cpu_is_omap1510()) {
		omap_1510_local_bus_power(1);
		omap_1510_local_bus_init();
	}

	/* board init will have already handled HMC and mux setup.
	 * any external transceiver should already be initialized
	 * too, so all configured ports use the right signaling now.
	 */

	return 0;
}
コード例 #5
0
static int ohci_omap_init(struct usb_hcd *hcd)
{
	struct ohci_hcd		*ohci = hcd_to_ohci(hcd);
	struct omap_usb_config	*config = hcd->self.controller->platform_data;
	int			need_transceiver = (config->otg != 0);
	int			ret;

	dev_dbg(hcd->self.controller, "starting USB Controller\n");

	if (config->otg) {
		ohci_to_hcd(ohci)->self.otg_port = config->otg;
		/*                                         */
		ohci_to_hcd(ohci)->power_budget = 8;
	}

	/*                                                  */
	need_transceiver = need_transceiver
			|| machine_is_omap_h2() || machine_is_omap_h3();

	if (cpu_is_omap16xx())
		ocpi_enable();

#ifdef	CONFIG_USB_OTG
	if (need_transceiver) {
		ohci->transceiver = usb_get_transceiver();
		if (ohci->transceiver) {
			int	status = otg_set_host(ohci->transceiver->otg,
						&ohci_to_hcd(ohci)->self);
			dev_dbg(hcd->self.controller, "init %s transceiver, status %d\n",
					ohci->transceiver->label, status);
			if (status) {
				if (ohci->transceiver)
					put_device(ohci->transceiver->dev);
				return status;
			}
		} else {
			dev_err(hcd->self.controller, "can't find transceiver\n");
			return -ENODEV;
		}
		ohci->start_hnp = start_hnp;
	}
#endif

	omap_ohci_clock_power(1);

	if (cpu_is_omap15xx()) {
		omap_1510_local_bus_power(1);
		omap_1510_local_bus_init();
	}

	if ((ret = ohci_init(ohci)) < 0)
		return ret;

	/*                                                        */
	if (machine_is_omap_osk() || machine_is_omap_innovator()) {
		u32	rh = roothub_a (ohci);

		/*                                     */
		rh &= ~RH_A_NPS;

		/*                                                  */
		if (machine_is_omap_osk()) {
			ohci_to_hcd(ohci)->power_budget = 250;

			rh &= ~RH_A_NOCP;

			/*                                */
			omap_cfg_reg(W8_1610_GPIO9);
			gpio_request(9, "OHCI overcurrent");
			gpio_direction_input(9);

			/*                                        */
			omap_cfg_reg(W4_USB_HIGHZ);
		}
		ohci_writel(ohci, rh, &ohci->regs->roothub.a);
		ohci->flags &= ~OHCI_QUIRK_HUB_POWER;
	} else if (machine_is_nokia770()) {
		/*                                                 
                      */
		ohci_to_hcd(ohci)->power_budget = 0;
	}

	/*                                                        */
	omap_ohci_transceiver_power(1);

	/*                                                        
                                                          
                                                             
  */

	return 0;
}