3 * DENX Software Engineering <mk@denx.de>
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
28 #include <asm/arch/hardware.h>
29 #include <asm/arch/io.h>
30 #include <asm/arch/at91_pmc.h>
32 int usb_cpu_init(void)
34 /* Enable USB host clock. */
35 at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP);
36 #ifdef CONFIG_AT91SAM9261
37 at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP | AT91_PMC_HCK0);
39 at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP);
45 int usb_cpu_stop(void)
47 /* Disable USB host clock. */
48 at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP);
49 #ifdef CONFIG_AT91SAM9261
50 at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_HCK0);
52 at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP);
57 int usb_cpu_init_fail(void)
59 return usb_cpu_stop();
62 #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */