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);
}
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;
}
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;
}
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;
}
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;
}