Release 4.11 arch/sh/kernel/cpu/sh2/clock-sh7619.c
/*
* arch/sh/kernel/cpu/sh2/clock-sh7619.c
*
* SH7619 support for the clock framework
*
* Copyright (C) 2006 Yoshinori Sato
*
* Based on clock-sh4.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 <linux/io.h>
#include <asm/clock.h>
#include <asm/freq.h>
#include <asm/processor.h>
static const int pll1rate[] = {1,2};
static const int pfc_divisors[] = {1,2,0,4};
static unsigned int pll2_mult;
static void master_clk_init(struct clk *clk)
{
clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 7];
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Yoshinori Sato | 29 | 93.55% | 1 | 33.33% |
Paul Mundt | 2 | 6.45% | 2 | 66.67% |
Total | 31 | 100.00% | 3 | 100.00% |
static struct sh_clk_ops sh7619_master_clk_ops = {
.init = master_clk_init,
};
static unsigned long module_clk_recalc(struct clk *clk)
{
int idx = (__raw_readw(FREQCR) & 0x0007);
return clk->parent->rate / pfc_divisors[idx];
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Yoshinori Sato | 31 | 86.11% | 1 | 33.33% |
Paul Mundt | 5 | 13.89% | 2 | 66.67% |
Total | 36 | 100.00% | 3 | 100.00% |
static struct sh_clk_ops sh7619_module_clk_ops = {
.recalc = module_clk_recalc,
};
static unsigned long bus_clk_recalc(struct clk *clk)
{
return clk->parent->rate / pll1rate[(__raw_readw(FREQCR) >> 8) & 7];
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Yoshinori Sato | 28 | 84.85% | 1 | 33.33% |
Paul Mundt | 5 | 15.15% | 2 | 66.67% |
Total | 33 | 100.00% | 3 | 100.00% |
static struct sh_clk_ops sh7619_bus_clk_ops = {
.recalc = bus_clk_recalc,
};
static struct sh_clk_ops sh7619_cpu_clk_ops = {
.recalc = followparent_recalc,
};
static struct sh_clk_ops *sh7619_clk_ops[] = {
&sh7619_master_clk_ops,
&sh7619_module_clk_ops,
&sh7619_bus_clk_ops,
&sh7619_cpu_clk_ops,
};
void __init arch_init_clk_ops(struct sh_clk_ops **ops, int idx)
{
if (test_mode_pin(MODE_PIN2 | MODE_PIN0) ||
test_mode_pin(MODE_PIN2 | MODE_PIN1))
pll2_mult = 2;
else if (test_mode_pin(MODE_PIN0) || test_mode_pin(MODE_PIN1))
pll2_mult = 4;
BUG_ON(!pll2_mult);
if (idx < ARRAY_SIZE(sh7619_clk_ops))
*ops = sh7619_clk_ops[idx];
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Paul Mundt | 43 | 57.33% | 1 | 33.33% |
Yoshinori Sato | 31 | 41.33% | 1 | 33.33% |
Magnus Damm | 1 | 1.33% | 1 | 33.33% |
Total | 75 | 100.00% | 3 | 100.00% |
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Yoshinori Sato | 223 | 75.34% | 1 | 14.29% |
Paul Mundt | 65 | 21.96% | 4 | 57.14% |
Magnus Damm | 6 | 2.03% | 1 | 14.29% |
Tobias Klauser | 2 | 0.68% | 1 | 14.29% |
Total | 296 | 100.00% | 7 | 100.00% |
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