diff options
Diffstat (limited to 'cpu/arm926ejs/at91/usb.c')
-rw-r--r-- | cpu/arm926ejs/at91/usb.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/cpu/arm926ejs/at91/usb.c b/cpu/arm926ejs/at91/usb.c deleted file mode 100644 index 7c44ad0..0000000 --- a/cpu/arm926ejs/at91/usb.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * (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) || defined(CONFIG_AT91SAM9G20) - /* Enable PLLB */ - at91_sys_write(AT91_CKGR_PLLBR, CONFIG_SYS_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) || defined(CONFIG_AT91SAM9G20) - /* 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) */ |