|
|
|
|
/*
|
|
|
|
|
* (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(CONFIG_SYS_USB_OHCI_CPU_INIT)
|
|
|
|
|
|
|
|
|
|
#include <asm/arch/hardware.h>
|
|
|
|
|
#include <asm/arch/io.h>
|
|
|
|
|
#include <asm/arch/at91_pmc.h>
|
|
|
|
|
|
|
|
|
|
int usb_cpu_init(void)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
|
|
|
|
|
defined(CONFIG_AT91SAM9263)
|
|
|
|
|
/* Enable PLLB */
|
|
|
|
|
at91_sys_write(AT91_CKGR_PLLBR, CFG_AT91_PLLB);
|
|
|
|
|
while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
|
|
|
|
|
;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Enable USB host clock. */
|
|
|
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP);
|
|
|
|
|
#ifdef CONFIG_AT91SAM9261
|
|
|
|
|
at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP | AT91_PMC_HCK0);
|
|
|
|
|
#else
|
|
|
|
|
at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int usb_cpu_stop(void)
|
|
|
|
|
{
|
|
|
|
|
/* Disable USB host clock. */
|
|
|
|
|
at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP);
|
|
|
|
|
#ifdef CONFIG_AT91SAM9261
|
|
|
|
|
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_HCK0);
|
|
|
|
|
#else
|
|
|
|
|
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
|
|
|
|
|
defined(CONFIG_AT91SAM9263)
|
|
|
|
|
/* Disable PLLB */
|
|
|
|
|
at91_sys_write(AT91_CKGR_PLLBR, 0);
|
|
|
|
|
while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != 0)
|
|
|
|
|
;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int usb_cpu_init_fail(void)
|
|
|
|
|
{
|
|
|
|
|
return usb_cpu_stop();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */
|
