usb/host/xhci-zynqmp.c

1 // SPDX-License-Identifier: GPL-2.0+
5  * Zynq USB HOST xHCI Controller
9  * This file was reused from Freescale USB xHCI
19 #include "xhci.h"
22 /* Default to the ZYNQMP XHCI defines */
72 	ret = dwc3_core_init(zynqmp_xhci->dwc3_reg);  in zynqmp_xhci_core_init()
78 	/* We are hard-coding DWC3 core to Host Mode */  in zynqmp_xhci_core_init()
79 	dwc3_set_mode(zynqmp_xhci->dwc3_reg, DWC3_GCTL_PRTCAP_HOST);  in zynqmp_xhci_core_init()
101 	ctx->hcd = (struct xhci_hccr *)plat->hcd_base;  in xhci_usb_probe()
102 	ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET);  in xhci_usb_probe()
106 		puts("XHCI: failed to initialize controller\n");  in xhci_usb_probe()
107 		return -EINVAL;  in xhci_usb_probe()
110 	hcor = (struct xhci_hcor *)((ulong)ctx->hcd +  in xhci_usb_probe()
111 				  HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase)));  in xhci_usb_probe()
113 	return xhci_register(dev, ctx->hcd, hcor);  in xhci_usb_probe()
124 	const void *blob = gd->fdt_blob;  in xhci_usb_ofdata_to_platdata()
126 	/* Get the base address for XHCI controller from the device node */  in xhci_usb_ofdata_to_platdata()
127 	plat->hcd_base = fdtdec_get_addr(blob, dev_of_offset(dev), "reg");  in xhci_usb_ofdata_to_platdata()
128 	if (plat->hcd_base == FDT_ADDR_T_NONE) {  in xhci_usb_ofdata_to_platdata()
129 		debug("Can't get the XHCI register base address\n");  in xhci_usb_ofdata_to_platdata()
130 		return -ENXIO;  in xhci_usb_ofdata_to_platdata()
137 	.name = "dwc3-generic-host",