Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
929 B
C
48 lines
929 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
|
|
* Author: Fuxin Zhang, zhangfx@lemote.com
|
|
*
|
|
* Copyright (C) 2009 Lemote Inc.
|
|
* Author: Wu Zhangjin, wuzhangjin@gmail.com
|
|
*/
|
|
|
|
#include <asm/time.h>
|
|
#include <asm/hpet.h>
|
|
|
|
#include <loongson.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/of_clk.h>
|
|
|
|
void __init plat_time_init(void)
|
|
{
|
|
struct clk *clk;
|
|
struct device_node *np;
|
|
|
|
if (loongson_sysconf.fw_interface == LOONGSON_DTB) {
|
|
of_clk_init(NULL);
|
|
|
|
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;
|
|
}
|
|
|
|
cpu_clock_freq = clk_get_rate(clk);
|
|
clk_put(clk);
|
|
}
|
|
|
|
/* setup mips r4k timer */
|
|
mips_hpt_frequency = cpu_clock_freq / 2;
|
|
|
|
#ifdef CONFIG_RS780_HPET
|
|
setup_hpet_timer();
|
|
#endif
|
|
}
|