/* * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com> * * This file is part of barebox. * 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 version 2 * as published by the Free Software Foundation. * * 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. * */ /** * @file * @brief Clocksource based on MIPS CP0 timer */ #include <init.h> #include <clock.h> #include <io.h> #include <asm/mipsregs.h> static uint64_t c0_hpt_read(void) { return read_c0_count(); } static struct clocksource cs = { .read = c0_hpt_read, .mask = 0xffffffff, }; static int clocksource_init(void) { cs.mult = clocksource_hz2mult(100000000, cs.shift); init_clock(&cs); return 0; } core_initcall(clocksource_init);