| /* |
| * linux/arch/arm/plat-versatile/sched-clock.c |
| * |
| * Copyright (C) 1999 - 2003 ARM Limited |
| * Copyright (C) 2000 Deep Blue Solutions Ltd |
| * |
| * 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 <linux/kernel.h> |
| #include <linux/io.h> |
| #include <linux/sched_clock.h> |
| |
| #include <plat/sched_clock.h> |
| |
| static void __iomem *ctr; |
| |
| static u64 notrace versatile_read_sched_clock(void) |
| { |
| if (ctr) |
| return readl(ctr); |
| |
| return 0; |
| } |
| |
| void __init versatile_sched_clock_init(void __iomem *reg, unsigned long rate) |
| { |
| ctr = reg; |
| sched_clock_register(versatile_read_sched_clock, 32, rate); |
| } |
