forked from Minki/linux
b84da9fa47
Pull MIPS updates from Ralf Baechle: "These are the highlists of the main MIPS pull request for 4.4: - Add latencytop support - Support appended DTBs - VDSO support and initially use it for gettimeofday. - Drop the .MIPS.abiflags and ELF NOTE sections from vmlinux - Support for the 5KE, an internal test core. - Switch all MIPS platfroms to libata drivers. - Improved support, cleanups for ralink and Lantiq platforms. - Support for the new xilfpga platform. - A number of DTB improvments for BMIPS. - Improved support for CM and CPS. - Minor JZ4740 and BCM47xx enhancements" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (120 commits) MIPS: idle: add case for CPU_5KE MIPS: Octeon: Support APPENDED_DTB MIPS: vmlinux: create a section for appended DTB MIPS: Clean up compat_siginfo_t MIPS: Fix PAGE_MASK definition MIPS: BMIPS: Enable GZIP ramdisk and timed printks MIPS: Add xilfpga defconfig MIPS: xilfpga: Add mipsfpga platform code MIPS: xilfpga: Add xilfpga device tree files. dt-bindings: MIPS: Document xilfpga bindings and boot style MIPS: Make MIPS_CMDLINE_DTB default MIPS: Make the kernel arguments from dtb available MIPS: Use USE_OF as the guard for appended dtb MIPS: BCM63XX: Use pr_* instead of printk MIPS: Loongson: Cleanup CONFIG_LOONGSON_SUSPEND. MIPS: lantiq: Disable xbar fpi burst mode MIPS: lantiq: Force the crossbar to big endian MIPS: lantiq: Initialize the USB core on boot MIPS: lantiq: Return correct value for fpi clock on ar9 MIPS: ralink: Add missing clock on rt305x ...
42 lines
896 B
C
42 lines
896 B
C
/*
|
|
* Xilfpga clocksource/timer setup
|
|
*
|
|
* Copyright (C) 2015 Imagination Technologies
|
|
* Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/clocksource.h>
|
|
#include <linux/of.h>
|
|
|
|
#include <asm/time.h>
|
|
|
|
void __init plat_time_init(void)
|
|
{
|
|
struct device_node *np;
|
|
struct clk *clk;
|
|
|
|
of_clk_init(NULL);
|
|
clocksource_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);
|
|
}
|