Release 4.14 arch/sh/kernel/cpu/sh3/clock-sh7712.c
/*
* arch/sh/kernel/cpu/sh3/clock-sh7712.c
*
* SH7712 support for the clock framework
*
* Copyright (C) 2007 Andrew Murray <amurray@mpc-data.co.uk>
*
* Based on arch/sh/kernel/cpu/sh3/clock-sh3.c
* Copyright (C) 2005 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <asm/io.h>
static int multipliers[] = { 1, 2, 3 };
static int divisors[] = { 1, 2, 3, 4, 6 };
static void master_clk_init(struct clk *clk)
{
int frqcr = __raw_readw(FRQCR);
int idx = (frqcr & 0x0300) >> 8;
clk->rate *= multipliers[idx];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Murray | 38 | 97.44% | 1 | 50.00% |
| Paul Mundt | 1 | 2.56% | 1 | 50.00% |
| Total | 39 | 100.00% | 2 | 100.00% |
static struct sh_clk_ops sh7712_master_clk_ops = {
.init = master_clk_init,
};
static unsigned long module_clk_recalc(struct clk *clk)
{
int frqcr = __raw_readw(FRQCR);
int idx = frqcr & 0x0007;
return clk->parent->rate / divisors[idx];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Murray | 34 | 87.18% | 1 | 33.33% |
| Paul Mundt | 5 | 12.82% | 2 | 66.67% |
| Total | 39 | 100.00% | 3 | 100.00% |
static struct sh_clk_ops sh7712_module_clk_ops = {
.recalc = module_clk_recalc,
};
static unsigned long cpu_clk_recalc(struct clk *clk)
{
int frqcr = __raw_readw(FRQCR);
int idx = (frqcr & 0x0030) >> 4;
return clk->parent->rate / divisors[idx];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Murray | 38 | 88.37% | 1 | 33.33% |
| Paul Mundt | 5 | 11.63% | 2 | 66.67% |
| Total | 43 | 100.00% | 3 | 100.00% |
static struct sh_clk_ops sh7712_cpu_clk_ops = {
.recalc = cpu_clk_recalc,
};
static struct sh_clk_ops *sh7712_clk_ops[] = {
&sh7712_master_clk_ops,
&sh7712_module_clk_ops,
&sh7712_cpu_clk_ops,
};
void __init arch_init_clk_ops(struct sh_clk_ops **ops, int idx)
{
if (idx < ARRAY_SIZE(sh7712_clk_ops))
*ops = sh7712_clk_ops[idx];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Murray | 31 | 96.88% | 1 | 50.00% |
| Magnus Damm | 1 | 3.12% | 1 | 50.00% |
| Total | 32 | 100.00% | 2 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Murray | 237 | 93.68% | 1 | 25.00% |
| Paul Mundt | 11 | 4.35% | 2 | 50.00% |
| Magnus Damm | 5 | 1.98% | 1 | 25.00% |
| Total | 253 | 100.00% | 4 | 100.00% |
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