diff options
Diffstat (limited to 'target/linux/adm5120-2.6')
| -rw-r--r-- | target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c new file mode 100644 index 0000000..edf261e --- /dev/null +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c @@ -0,0 +1,54 @@ +/* + * $Id$ + * + * ADM5120 specific hooks for MIPS CPU Counter/Compare timer + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu> + * + * This file was based on: arch/mips/gt64120/wrppmc/time.c + * Original author: Mark.Zhan + * Copyright (C) 1996, 1997, 2004 by Ralf Baechle + * Copyright (C) 2006, Wind River System Inc. + * + * 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., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/timex.h> + +#include <asm/irq.h> +#include <asm/cpu.h> +#include <asm/time.h> + +#include <asm/mach-adm5120/adm5120_info.h> +#include <asm/mach-adm5120/adm5120_irq.h> + +void __init adm5120_time_init(void) +{ + mips_hpt_frequency = adm5120_speed / 2; +} + +void __init plat_timer_setup(struct irqaction *irq) +{ + clear_c0_status(ST0_BEV); + + /* Install ISR for CPU Counter interrupt */ + setup_irq(ADM5120_IRQ_COUNTER, irq); +} |