2 * Copyright (C) 2015 Alexey Brodkin <abrodkin@synopsys.com>
4 * SPDX-License-Identifier: GPL-2.0+
15 * Even though here we don't explicitly use "struct ehci_ctrl"
16 * ehci_register() expects it to be the first thing that resides in
17 * device's private data.
20 struct ehci_ctrl ctrl;
23 static int ehci_usb_probe(struct udevice *dev)
25 struct ehci_hccr *hccr;
26 struct ehci_hcor *hcor;
33 ret = clk_get_by_index(dev, i, &clk);
37 printf("failed to enable clock %d\n", i);
42 struct reset_ctl reset;
45 ret = reset_get_by_index(dev, i, &reset);
48 if (reset_deassert(&reset))
49 printf("failed to deassert reset %d\n", i);
53 hccr = map_physmem(dev_get_addr(dev), 0x100, MAP_NOCACHE);
54 hcor = (struct ehci_hcor *)((uintptr_t)hccr +
55 HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
57 return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
60 static const struct udevice_id ehci_usb_ids[] = {
61 { .compatible = "generic-ehci" },
65 U_BOOT_DRIVER(ehci_generic) = {
66 .name = "ehci_generic",
68 .of_match = ehci_usb_ids,
69 .probe = ehci_usb_probe,
70 .remove = ehci_deregister,
72 .priv_auto_alloc_size = sizeof(struct generic_ehci),
73 .flags = DM_FLAG_ALLOC_PRIV_DMA,