Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  PS3 time and rtc routines.
 *
 *  Copyright (C) 2006 Sony Computer Entertainment Inc.
 *  Copyright 2006 Sony Corp.
 */
 
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
 
#include <asm/firmware.h>
#include <asm/lv1call.h>
#include <asm/ps3.h>
 
#include "platform.h"
 
void __init ps3_calibrate_decr(void)
{
<------>int result;
<------>u64 tmp;
 
<------>result = ps3_repository_read_be_tb_freq(0, &tmp);
<------>BUG_ON(result);
 
<------>ppc_tb_freq = tmp;
<------>ppc_proc_freq = ppc_tb_freq * 40;
}
 
static u64 read_rtc(void)
{
<------>int result;
<------>u64 rtc_val;
<------>u64 tb_val;
 
<------>result = lv1_get_rtc(&rtc_val, &tb_val);
<------>BUG_ON(result);
 
<------>return rtc_val;
}
 
time64_t __init ps3_get_boot_time(void)
{
<------>return read_rtc() + ps3_os_area_get_rtc_diff();
}
 
static int __init ps3_rtc_init(void)
{
<------>struct platform_device *pdev;
 
<------>if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
<------><------>return -ENODEV;
 
<------>pdev = platform_device_register_simple("rtc-ps3", -1, NULL, 0);
 
<------>return PTR_ERR_OR_ZERO(pdev);
}
device_initcall(ps3_rtc_init);