| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Google 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; version 2 of |
| * the License. |
| * |
| * 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. |
| * |
| * clock.c: Functions for accessing clock and timer related registers |
| * Reference: ARM Architecture Reference Manual, ARMv8-A edition |
| */ |
| |
| #include <stdint.h> |
| |
| #include <arch/clock.h> |
| |
| void set_cntfrq(uint32_t freq) |
| { |
| __asm__ __volatile__("msr cntfrq_el0, %0" :: "r"(freq)); |
| } |