mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
942 B
55 lines
942 B
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* Pistachio clocksource/timer setup |
|
* |
|
* Copyright (C) 2014 Google, Inc. |
|
*/ |
|
|
|
#include <linux/clk.h> |
|
#include <linux/clocksource.h> |
|
#include <linux/init.h> |
|
#include <linux/of.h> |
|
#include <linux/of_clk.h> |
|
|
|
#include <asm/mips-cps.h> |
|
#include <asm/time.h> |
|
|
|
unsigned int get_c0_compare_int(void) |
|
{ |
|
return gic_get_c0_compare_int(); |
|
} |
|
|
|
int get_c0_perfcount_int(void) |
|
{ |
|
return gic_get_c0_perfcount_int(); |
|
} |
|
EXPORT_SYMBOL_GPL(get_c0_perfcount_int); |
|
|
|
int get_c0_fdc_int(void) |
|
{ |
|
return gic_get_c0_fdc_int(); |
|
} |
|
|
|
void __init plat_time_init(void) |
|
{ |
|
struct device_node *np; |
|
struct clk *clk; |
|
|
|
of_clk_init(NULL); |
|
timer_probe(); |
|
|
|
np = of_get_cpu_node(0, NULL); |
|
if (!np) { |
|
pr_err("Failed to get CPU node\n"); |
|
return; |
|
} |
|
|
|
clk = of_clk_get(np, 0); |
|
if (IS_ERR(clk)) { |
|
pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk)); |
|
return; |
|
} |
|
|
|
mips_hpt_frequency = clk_get_rate(clk) / 2; |
|
clk_put(clk); |
|
}
|
|
|