cregit-Linux how code gets into the kernel

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

PersonTokensPropCommitsCommitProp
Yoshinori Sato2993.55%133.33%
Paul Mundt26.45%266.67%
Total31100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
Yoshinori Sato3186.11%133.33%
Paul Mundt513.89%266.67%
Total36100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
Yoshinori Sato2884.85%133.33%
Paul Mundt515.15%266.67%
Total33100.00%3100.00%

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

PersonTokensPropCommitsCommitProp
Paul Mundt4357.33%133.33%
Yoshinori Sato3141.33%133.33%
Magnus Damm11.33%133.33%
Total75100.00%3100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Yoshinori Sato22375.34%114.29%
Paul Mundt6521.96%457.14%
Magnus Damm62.03%114.29%
Tobias Klauser20.68%114.29%
Total296100.00%7100.00%
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