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1 | /* | |
2 | * Copyright (C) 2014 Roman Byshko | |
3 | * | |
4 | * Roman Byshko <rbyshko@gmail.com> | |
5 | * | |
6 | * Based on code from | |
7 | * Allwinner Technology Co., Ltd. <www.allwinnertech.com> | |
8 | * | |
9 | * SPDX-License-Identifier: GPL-2.0+ | |
10 | */ | |
11 | ||
12 | #include <asm/arch/usbc.h> | |
13 | #include <common.h> | |
14 | #include "ehci.h" | |
15 | ||
16 | int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, | |
17 | struct ehci_hcor **hcor) | |
18 | { | |
19 | int err; | |
20 | ||
21 | err = sunxi_usbc_request_resources(index + 1); | |
22 | if (err) | |
23 | return err; | |
24 | ||
25 | sunxi_usbc_enable(index + 1); | |
26 | sunxi_usbc_vbus_enable(index + 1); | |
27 | ||
28 | *hccr = sunxi_usbc_get_io_base(index + 1); | |
29 | ||
30 | *hcor = (struct ehci_hcor *)((uint32_t) *hccr | |
31 | + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); | |
32 | ||
33 | debug("sunxi-ehci: init hccr %x and hcor %x hc_length %d\n", | |
34 | (uint32_t)*hccr, (uint32_t)*hcor, | |
35 | (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); | |
36 | ||
37 | return 0; | |
38 | } | |
39 | ||
40 | int ehci_hcd_stop(int index) | |
41 | { | |
42 | sunxi_usbc_vbus_disable(index + 1); | |
43 | sunxi_usbc_disable(index + 1); | |
44 | ||
45 | return sunxi_usbc_free_resources(index + 1); | |
46 | } |