summaryrefslogtreecommitdiffstats
path: root/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/clock-sh7343.c')
-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 7adc4f16e95a..000000000000
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * arch/sh/kernel/cpu/sh4a/clock-sh7343.c
- *
- * SH7343/SH7722 support for the clock framework
- *
- * Copyright (C) 2006 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>
-
-/*
- * SH7343/SH7722 uses a common set of multipliers and divisors, so this
- * is quite simple..
- */
-static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
-static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 };
-
-#define pll_calc() (((ctrl_inl(FRQCR) >> 24) & 0x1f) + 1)
-
-static void master_clk_init(struct clk *clk)
-{
- clk->parent = clk_get(NULL, "cpu_clk");
-}
-
-static void master_clk_recalc(struct clk *clk)
-{
- int idx = (ctrl_inl(FRQCR) & 0x000f);
- clk->rate *= clk->parent->rate * multipliers[idx] / divisors[idx];
-}
-
-static struct clk_ops sh7343_master_clk_ops = {
- .init = master_clk_init,
- .recalc = master_clk_recalc,
-};
-
-static void module_clk_init(struct clk *clk)
-{
- clk->parent = NULL;
- clk->rate = CONFIG_SH_PCLK_FREQ;
-}
-
-static struct clk_ops sh7343_module_clk_ops = {
- .init = module_clk_init,
-};
-
-static void bus_clk_init(struct clk *clk)
-{
- clk->parent = clk_get(NULL, "cpu_clk");
-}
-
-static void bus_clk_recalc(struct clk *clk)
-{
- int idx = (ctrl_inl(FRQCR) >> 8) & 0x000f;
- clk->rate = clk->parent->rate * multipliers[idx] / divisors[idx];
-}
-
-static struct clk_ops sh7343_bus_clk_ops = {
- .init = bus_clk_init,
- .recalc = bus_clk_recalc,
-};
-
-static void cpu_clk_init(struct clk *clk)
-{
- clk->parent = clk_get(NULL, "module_clk");
- clk->flags |= CLK_RATE_PROPAGATES;
- clk_set_rate(clk, clk_get_rate(clk));
-}
-
-static void cpu_clk_recalc(struct clk *clk)
-{
- int idx = (ctrl_inl(FRQCR) >> 20) & 0x000f;
- clk->rate = clk->parent->rate * pll_calc() *
- multipliers[idx] / divisors[idx];
-}
-
-static struct clk_ops sh7343_cpu_clk_ops = {
- .init = cpu_clk_init,
- .recalc = cpu_clk_recalc,
-};
-
-static struct clk_ops *sh7343_clk_ops[] = {
- &sh7343_master_clk_ops,
- &sh7343_module_clk_ops,
- &sh7343_bus_clk_ops,
- &sh7343_cpu_clk_ops,
-};
-
-void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
-{
- if (idx < ARRAY_SIZE(sh7343_clk_ops))
- *ops = sh7343_clk_ops[idx];
-}