3  * Generic platform ehci driver
12  * Derived from the EHCI-PCI driver
39 #include "ehci.h"
41 #define DRIVER_DESC "EHCI generic platform driver"
60 	struct ehci_hcd *ehci = hcd_to_ehci(hcd);  in ehci_platform_reset()  local
63 	ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug;  in ehci_platform_reset()
71 	ehci->caps = hcd->regs + pdata->caps_offset;  in ehci_platform_reset()
77 		ehci->need_io_watchdog = 0;  in ehci_platform_reset()
79 	if (of_device_is_compatible(pdev->dev.of_node, "brcm,xgs-iproc-ehci"))  in ehci_platform_reset()
80 		ehci_writel(ehci, BCM_USB_FIFO_THRESHOLD,  in ehci_platform_reset()
81 			    &ehci->regs->brcm_insnreg[1]);  in ehci_platform_reset()
133  * @ehci: the ehci hcd pointer
135  * Since EHCI/OHCI controllers on R-Car Gen3 SoCs are possible to be getting
138  * the EHCI PORTSC register.
142 static bool quirk_poll_check_port_status(struct ehci_hcd *ehci)  in quirk_poll_check_port_status()  argument
144 	u32 port_status = ehci_readl(ehci, &ehci->regs->port_status[0]);  in quirk_poll_check_port_status()
157  * @ehci: the ehci hcd pointer
159  * Since EHCI/OHCI controllers on R-Car Gen3 SoCs are possible to be getting
164 static void quirk_poll_rebind_companion(struct ehci_hcd *ehci)  in quirk_poll_rebind_companion()  argument
167 	struct usb_hcd *hcd = ehci_to_hcd(ehci);  in quirk_poll_rebind_companion()
175 		ehci_err(ehci, "%s: failed\n", __func__);  in quirk_poll_rebind_companion()
185 	struct ehci_hcd *ehci = container_of((void *)priv, struct ehci_hcd,  in quirk_poll_work()  local
189 	if (!quirk_poll_check_port_status(ehci))  in quirk_poll_work()
192 	if (!quirk_poll_check_port_status(ehci))  in quirk_poll_work()
195 	ehci_dbg(ehci, "%s: detected getting stuck. rebind now!\n", __func__);  in quirk_poll_work()
196 	quirk_poll_rebind_companion(ehci);  in quirk_poll_work()
202 	struct ehci_hcd *ehci = container_of((void *)priv, struct ehci_hcd,  in quirk_poll_timer()  local
205 	if (quirk_poll_check_port_status(ehci)) {  in quirk_poll_timer()
242 	struct ehci_hcd *ehci;  in ehci_platform_probe()  local
274 	ehci = hcd_to_ehci(hcd);  in ehci_platform_probe()
278 			ehci->big_endian_mmio = 1;  in ehci_platform_probe()
281 			ehci->big_endian_desc = 1;  in ehci_platform_probe()
284 			ehci->big_endian_mmio = ehci->big_endian_desc = 1;  in ehci_platform_probe()
287 			ehci->spurious_oc = 1;  in ehci_platform_probe()
298 					    "aspeed,ast2500-ehci") ||  in ehci_platform_probe()
300 					    "aspeed,ast2600-ehci"))  in ehci_platform_probe()
301 			ehci->is_aspeed = 1;  in ehci_platform_probe()
329 		ehci->big_endian_desc = 1;  in ehci_platform_probe()
331 		ehci->big_endian_mmio = 1;  in ehci_platform_probe()
337 		ehci->spurious_oc = 1;  in ehci_platform_probe()
340 	if (ehci->big_endian_mmio) {  in ehci_platform_probe()
348 	if (ehci->big_endian_desc) {  in ehci_platform_probe()
483 	{ .compatible = "via,vt8500-ehci", },
484 	{ .compatible = "wm,prizm-ehci", },
485 	{ .compatible = "generic-ehci", },
486 	{ .compatible = "cavium,octeon-6335-ehci", },
493 	{ "PNP0D20", 0 }, /* EHCI controller without debug */
500 	{ "ehci-platform", 0 },
514 		.name	= "ehci-platform",