]>
git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/usb/host/ehci-generic.c
2 * Copyright (C) 2015 Alexey Brodkin <abrodkin@synopsys.com>
4 * SPDX-License-Identifier: GPL-2.0+
12 * Even though here we don't explicitly use "struct ehci_ctrl"
13 * ehci_register() expects it to be the first thing that resides in
14 * device's private data.
17 struct ehci_ctrl ctrl
;
20 static int ehci_usb_probe(struct udevice
*dev
)
22 struct ehci_hccr
*hccr
= (struct ehci_hccr
*)dev_get_addr(dev
);
23 struct ehci_hcor
*hcor
;
25 hcor
= (struct ehci_hcor
*)((uintptr_t)hccr
+
26 HC_LENGTH(ehci_readl(&hccr
->cr_capbase
)));
28 return ehci_register(dev
, hccr
, hcor
, NULL
, 0, USB_INIT_HOST
);
31 static int ehci_usb_remove(struct udevice
*dev
)
33 return ehci_deregister(dev
);
36 static const struct udevice_id ehci_usb_ids
[] = {
37 { .compatible
= "generic-ehci" },
41 U_BOOT_DRIVER(ehci_generic
) = {
42 .name
= "ehci_generic",
44 .of_match
= ehci_usb_ids
,
45 .probe
= ehci_usb_probe
,
46 .remove
= ehci_usb_remove
,
48 .priv_auto_alloc_size
= sizeof(struct generic_ehci
),
49 .flags
= DM_FLAG_ALLOC_PRIV_DMA
,