Release 4.14 arch/mips/kernel/csrc-bcm1480.c
/*
* Copyright (C) 2000,2001,2004 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/clocksource.h>
#include <linux/sched_clock.h>
#include <asm/addrspace.h>
#include <asm/io.h>
#include <asm/time.h>
#include <asm/sibyte/bcm1480_regs.h>
#include <asm/sibyte/sb1250_regs.h>
#include <asm/sibyte/bcm1480_int.h>
#include <asm/sibyte/bcm1480_scd.h>
#include <asm/sibyte/sb1250.h>
static u64 bcm1480_hpt_read(struct clocksource *cs)
{
return (u64) __raw_readq(IOADDR(A_SCD_ZBBUS_CYCLE_COUNT));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 17 | 73.91% | 1 | 33.33% |
| Magnus Damm | 4 | 17.39% | 1 | 33.33% |
| Thomas Gleixner | 2 | 8.70% | 1 | 33.33% |
| Total | 23 | 100.00% | 3 | 100.00% |
struct clocksource bcm1480_clocksource = {
.name = "zbbus-cycles",
.rating = 200,
.read = bcm1480_hpt_read,
.mask = CLOCKSOURCE_MASK(64),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static u64 notrace sb1480_read_sched_clock(void)
{
return __raw_readq(IOADDR(A_SCD_ZBBUS_CYCLE_COUNT));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Deng-Cheng Zhu | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
void __init sb1480_clocksource_init(void)
{
struct clocksource *cs = &bcm1480_clocksource;
unsigned int plldiv;
unsigned long zbbus;
plldiv = G_BCM1480_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
zbbus = ((plldiv >> 1) * 50000000) + ((plldiv & 1) * 25000000);
clocksource_register_hz(cs, zbbus);
sched_clock_register(sb1480_read_sched_clock, 64, zbbus);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 65 | 86.67% | 1 | 33.33% |
| Deng-Cheng Zhu | 9 | 12.00% | 1 | 33.33% |
| John Stultz | 1 | 1.33% | 1 | 33.33% |
| Total | 75 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 143 | 79.01% | 1 | 16.67% |
| Deng-Cheng Zhu | 31 | 17.13% | 2 | 33.33% |
| Magnus Damm | 4 | 2.21% | 1 | 16.67% |
| Thomas Gleixner | 2 | 1.10% | 1 | 16.67% |
| John Stultz | 1 | 0.55% | 1 | 16.67% |
| Total | 181 | 100.00% | 6 | 100.00% |
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