1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2014 Zhang, Keguang <keguang.zhang@gmail.com> 4 */ 5 6 #include <linux/clk.h> 7 #include <linux/of_clk.h> 8 #include <asm/time.h> 9 10 void __init plat_time_init(void) 11 { 12 struct clk *clk = NULL; 13 14 /* initialize LS1X clocks */ 15 of_clk_init(NULL); 16 17 /* setup mips r4k timer */ 18 clk = clk_get(NULL, "cpu_clk"); 19 if (IS_ERR(clk)) 20 panic("unable to get cpu clock, err=%ld", PTR_ERR(clk)); 21 22 mips_hpt_frequency = clk_get_rate(clk) / 2; 23 } 24