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-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7343.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
deleted file mode 100644
index 7adc4f16e95..00000000000
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
+++ /dev/null
@@ -1,99 +0,0 @@
1/*
2 * arch/sh/kernel/cpu/sh4a/clock-sh7343.c
3 *
4 * SH7343/SH7722 support for the clock framework
5 *
6 * Copyright (C) 2006 Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/io.h>
15#include <asm/clock.h>
16#include <asm/freq.h>
17
18/*
19 * SH7343/SH7722 uses a common set of multipliers and divisors, so this
20 * is quite simple..
21 */
22static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
23static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 };
24
25#define pll_calc() (((ctrl_inl(FRQCR) >> 24) & 0x1f) + 1)
26
27static void master_clk_init(struct clk *clk)
28{
29 clk->parent = clk_get(NULL, "cpu_clk");
30}
31
32static void master_clk_recalc(struct clk *clk)
33{
34 int idx = (ctrl_inl(FRQCR) & 0x000f);
35 clk->rate *= clk->parent->rate * multipliers[idx] / divisors[idx];
36}
37
38static struct clk_ops sh7343_master_clk_ops = {
39 .init = master_clk_init,
40 .recalc = master_clk_recalc,
41};
42
43static void module_clk_init(struct clk *clk)
44{
45 clk->parent = NULL;
46 clk->rate = CONFIG_SH_PCLK_FREQ;
47}
48
49static struct clk_ops sh7343_module_clk_ops = {
50 .init = module_clk_init,
51};
52
53static void bus_clk_init(struct clk *clk)
54{
55 clk->parent = clk_get(NULL, "cpu_clk");
56}
57
58static void bus_clk_recalc(struct clk *clk)
59{
60 int idx = (ctrl_inl(FRQCR) >> 8) & 0x000f;
61 clk->rate = clk->parent->rate * multipliers[idx] / divisors[idx];
62}
63
64static struct clk_ops sh7343_bus_clk_ops = {
65 .init = bus_clk_init,
66 .recalc = bus_clk_recalc,
67};
68
69static void cpu_clk_init(struct clk *clk)
70{
71 clk->parent = clk_get(NULL, "module_clk");
72 clk->flags |= CLK_RATE_PROPAGATES;
73 clk_set_rate(clk, clk_get_rate(clk));
74}
75
76static void cpu_clk_recalc(struct clk *clk)
77{
78 int idx = (ctrl_inl(FRQCR) >> 20) & 0x000f;
79 clk->rate = clk->parent->rate * pll_calc() *
80 multipliers[idx] / divisors[idx];
81}
82
83static struct clk_ops sh7343_cpu_clk_ops = {
84 .init = cpu_clk_init,
85 .recalc = cpu_clk_recalc,
86};
87
88static struct clk_ops *sh7343_clk_ops[] = {
89 &sh7343_master_clk_ops,
90 &sh7343_module_clk_ops,
91 &sh7343_bus_clk_ops,
92 &sh7343_cpu_clk_ops,
93};
94
95void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
96{
97 if (idx < ARRAY_SIZE(sh7343_clk_ops))
98 *ops = sh7343_clk_ops[idx];
99}