| Markus Klotzbuecher | 301f1aa | 2006-05-23 13:38:35 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2006 |
| 3 | * DENX Software Engineering <mk@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) && defined(CFG_USB_OHCI_CPU_INIT) |
| 27 | # ifdef CONFIG_AT91RM9200 |
| 28 | |
| 29 | #include <asm/arch/hardware.h> |
| 30 | |
| 31 | int usb_cpu_init() |
| 32 | { |
| 33 | /* Enable USB host clock. */ |
| 34 | *AT91C_PMC_SCER = AT91C_PMC_UHP; /* 48MHz clock enabled for UHP */ |
| 35 | *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; /* Peripheral Clock Enable Register */ |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | int usb_cpu_stop() |
| 40 | { |
| 41 | /* Initialization failed */ |
| 42 | *AT91C_PMC_PCDR = 1 << AT91C_ID_UHP; /* Peripheral Clock Disable Register */ |
| 43 | *AT91C_PMC_SCDR = AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ |
| 44 | return 0; |
| 45 | } |
| 46 | # endif /* CONFIG_AT91RM9200 */ |
| 47 | #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ |