blob: 47ad3f34d5a941b17a7752885992806408eb15b6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com>
*/
#include <common.h>
#include <asm/arch/da8xx-usb.h>
int usb_cpu_init(void)
{
/* enable psc for usb2.0 */
lpsc_on(DAVINCI_LPSC_USB20);
/* enable psc for usb1.0 */
lpsc_on(DAVINCI_LPSC_USB11);
/* start the on-chip usb phy and its pll */
if (usb_phy_on())
return 0;
return 1;
}
int usb_cpu_stop(void)
{
usb_phy_off();
/* turn off the usb clock and assert the module reset */
lpsc_disable(DAVINCI_LPSC_USB11);
lpsc_disable(DAVINCI_LPSC_USB20);
return 0;
}
int usb_cpu_init_fail(void)
{
return usb_cpu_stop();
}
|
