mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
|
|
* (C) Copyright 2006
|
|
* DENX Software Engineering <mk@denx.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
|
|
#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT)
|
|
# ifdef CONFIG_AT91RM9200
|
|
|
|
#include <asm/arch/hardware.h>
|
|
|
|
int usb_cpu_init(void)
|
|
{
|
|
/* Enable USB host clock. */
|
|
*AT91C_PMC_SCER = AT91C_PMC_UHP; /* 48MHz clock enabled for UHP */
|
|
*AT91C_PMC_PCER = 1 << AT91C_ID_UHP; /* Peripheral Clock Enable Register */
|
|
return 0;
|
|
}
|
|
|
|
int usb_cpu_stop(void)
|
|
{
|
|
/* Initialization failed */
|
|
*AT91C_PMC_PCDR = 1 << AT91C_ID_UHP; /* Peripheral Clock Disable Register */
|
|
*AT91C_PMC_SCDR = AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */
|
|
return 0;
|
|
}
|
|
|
|
int usb_cpu_init_fail(void)
|
|
{
|
|
return usb_cpu_stop();
|
|
}
|
|
|
|
# endif /* CONFIG_AT91RM9200 */
|
|
#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */
|