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Stelian Popfefb6c12008-01-30 21:15:54 +00001/*
2 * (C) Copyright 2006
3 * DENX Software Engineering <mk <at> denx.de>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25
26#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
Stelian Popfefb6c12008-01-30 21:15:54 +000027
28#include <asm/arch/hardware.h>
Stelian Pop983c1db2008-03-26 20:52:32 +010029#include <asm/arch/io.h>
30#include <asm/arch/at91_pmc.h>
Stelian Popfefb6c12008-01-30 21:15:54 +000031
32int usb_cpu_init(void)
33{
34 /* Enable USB host clock. */
Stelian Pop983c1db2008-03-26 20:52:32 +010035 at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP);
36 at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP);
Stelian Popfefb6c12008-01-30 21:15:54 +000037
38 return 0;
39}
40
41int usb_cpu_stop(void)
42{
43 /* Disable USB host clock. */
Stelian Pop983c1db2008-03-26 20:52:32 +010044 at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP);
45 at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP);
Stelian Popfefb6c12008-01-30 21:15:54 +000046 return 0;
47}
48
49int usb_cpu_init_fail(void)
50{
51 return usb_cpu_stop();
52}
53
Stelian Popfefb6c12008-01-30 21:15:54 +000054#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */