~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/mips/pistachio/time.c

Version: ~ [ linux-5.9.1 ] ~ [ linux-5.8.16 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.72 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.152 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.202 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.240 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.240 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Pistachio clocksource/timer setup
  3  *
  4  * Copyright (C) 2014 Google, Inc.
  5  *
  6  * This program is free software; you can redistribute it and/or modify it
  7  * under the terms and conditions of the GNU General Public License,
  8  * version 2, as published by the Free Software Foundation.
  9  */
 10 
 11 #include <linux/clk.h>
 12 #include <linux/clk-provider.h>
 13 #include <linux/clocksource.h>
 14 #include <linux/init.h>
 15 #include <linux/of.h>
 16 
 17 #include <asm/mips-cps.h>
 18 #include <asm/time.h>
 19 
 20 unsigned int get_c0_compare_int(void)
 21 {
 22         return gic_get_c0_compare_int();
 23 }
 24 
 25 int get_c0_perfcount_int(void)
 26 {
 27         return gic_get_c0_perfcount_int();
 28 }
 29 EXPORT_SYMBOL_GPL(get_c0_perfcount_int);
 30 
 31 int get_c0_fdc_int(void)
 32 {
 33         return gic_get_c0_fdc_int();
 34 }
 35 
 36 void __init plat_time_init(void)
 37 {
 38         struct device_node *np;
 39         struct clk *clk;
 40 
 41         of_clk_init(NULL);
 42         timer_probe();
 43 
 44         np = of_get_cpu_node(0, NULL);
 45         if (!np) {
 46                 pr_err("Failed to get CPU node\n");
 47                 return;
 48         }
 49 
 50         clk = of_clk_get(np, 0);
 51         if (IS_ERR(clk)) {
 52                 pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk));
 53                 return;
 54         }
 55 
 56         mips_hpt_frequency = clk_get_rate(clk) / 2;
 57         clk_put(clk);
 58 }
 59 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp