target/linux : drop many arch

1 files changed, 0 insertions, 271 deletions

diff --git a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c b/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c
deleted file mode 100644
index 413bfec..0000000
--- a/target/linux/mcs814x/files-3.3/arch/arm/mach-mcs814x/clock.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Moschip MCS814x clock routines
- *
- * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
- *
- * Licensed under GPLv2
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/spinlock.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/clkdev.h>
-#include <linux/clk.h>
-
-#include <mach/mcs814x.h>
-
-#include "common.h"
-
-#define KHZ	1000
-#define MHZ	(KHZ * KHZ)
-
-struct clk_ops {
-	unsigned long (*get_rate)(struct clk *clk);
-	int (*set_rate)(struct clk *clk, unsigned long rate);
-	struct clk *(*get_parent)(struct clk *clk);
-	int (*enable)(struct clk *clk, int enable);
-};
-
-struct clk {
-	struct clk *parent;     	/* parent clk */
-	unsigned long rate;     	/* clock rate in Hz */
-	unsigned long divider;		/* clock divider */
-	u32 usecount;			/* reference count */
-	struct clk_ops *ops;		/* clock operation */
-	u32 enable_reg;			/* clock enable register */
-	u32 enable_mask;		/* clock enable mask */
-};
-
-static unsigned long clk_divide_parent(struct clk *clk)
-{
-	if (clk->parent && clk->divider)
-		return clk_get_rate(clk->parent) / clk->divider;
-	else
-		return 0;
-}
-
-static int clk_local_onoff_enable(struct clk *clk, int enable)
-{
-	u32 tmp;
-
-	/* no enable_reg means the clock is always enabled */
-	if (!clk->enable_reg)
-		return 0;
-
-	tmp = readl_relaxed(mcs814x_sysdbg_base + clk->enable_reg);
-	if (!enable)
-		tmp &= ~clk->enable_mask;
-	else
-		tmp |= clk->enable_mask;
-
-	writel_relaxed(tmp, mcs814x_sysdbg_base + clk->enable_reg);
-
-	return 0;
-}
-
-static struct clk_ops default_clk_ops = {
-	.get_rate	= clk_divide_parent,
-	.enable		= clk_local_onoff_enable,
-};
-
-static DEFINE_SPINLOCK(clocks_lock);
-
-static const unsigned long cpu_freq_table[] = {
-	175000,
-	300000,
-	125000,
-	137500,
-	212500,
-	250000,
-	162500,
-	187500,
-	162500,
-	150000,
-	225000,
-	237500,
-	200000,
-	262500,
-	275000,
-	287500
-};
-
-static struct clk clk_cpu;
-
-/* System clock is fixed at 50Mhz */
-static struct clk clk_sys = {
-	.rate	= 50 * MHZ,
-};
-
-static struct clk clk_sdram;
-
-static struct clk clk_timer0 = {
-	.parent	= &clk_sdram,
-	.divider = 2,
-	.ops	= &default_clk_ops,
-};
-
-static struct clk clk_timer1_2 = {
-	.parent	= &clk_sys,
-};
-
-/* Watchdog clock is system clock / 128 */
-static struct clk clk_wdt = {
-	.parent	= &clk_sys,
-	.divider = 128,
-	.ops	= &default_clk_ops,
-};
-
-static struct clk clk_emac = {
-	.ops		= &default_clk_ops,
-	.enable_reg	= SYSDBG_SYSCTL,
-	.enable_mask	= SYSCTL_EMAC,
-};
-
-static struct clk clk_ephy = {
-	.ops		= &default_clk_ops,
-	.enable_reg	= SYSDBG_PLL_CTL,
-	.enable_mask	= ~SYSCTL_EPHY,	/* active low */
-};
-
-static struct clk clk_cipher = {
-	.ops		= &default_clk_ops,
-	.enable_reg	= SYSDBG_SYSCTL,
-	.enable_mask	= SYSCTL_CIPHER,
-};
-
-#define CLK(_dev, _con, _clk)	\
-{ .dev_id = (_dev), .con_id = (_con), .clk = (_clk) },
-
-static struct clk_lookup mcs814x_chip_clks[] = {
-	CLK("cpu", NULL, &clk_cpu)
-	CLK("sys", NULL, &clk_sys)
-	CLK("sdram", NULL, &clk_sdram)
-	/* 32-bits timer0 */
-	CLK("timer0", NULL, &clk_timer0)
-	/* 16-bits timer1 */
-	CLK("timer1", NULL, &clk_timer1_2)
-	/* 64-bits timer2, same as timer 1 */
-	CLK("timer2", NULL, &clk_timer1_2)
-	CLK(NULL, "wdt", &clk_wdt)
-	CLK(NULL, "emac", &clk_emac)
-	CLK(NULL, "ephy", &clk_ephy)
-	CLK(NULL, "cipher", &clk_cipher)
-};
-
-static void local_clk_disable(struct clk *clk)
-{
-	WARN_ON(!clk->usecount);
-
-	if (clk->usecount > 0) {
-		clk->usecount--;
-
-		if ((clk->usecount == 0) && (clk->ops->enable))
-			clk->ops->enable(clk, 0);
-
-		if (clk->parent)
-			local_clk_disable(clk->parent);
-	}
-}
-
-static int local_clk_enable(struct clk *clk)
-{
-	int ret = 0;
-
-	if (clk->parent)
-		ret = local_clk_enable(clk->parent);
-
-	if (ret)
-		return ret;
-
-	if ((clk->usecount == 0) && (clk->ops->enable))
-		ret = clk->ops->enable(clk, 1);
-
-	if (!ret)
-		clk->usecount++;
-	else if (clk->parent && clk->parent->ops->enable)
-		local_clk_disable(clk->parent);
-
-	return ret;
-}
-
-int clk_enable(struct clk *clk)
-{
-	int ret;
-	unsigned long flags;
-
-	spin_lock_irqsave(&clocks_lock, flags);
-	ret = local_clk_enable(clk);
-	spin_unlock_irqrestore(&clocks_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&clocks_lock, flags);
-	local_clk_disable(clk);
-	spin_unlock_irqrestore(&clocks_lock, flags);
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-	if (unlikely(IS_ERR_OR_NULL(clk)))
-		return 0;
-
-	if (clk->rate)
-		return clk->rate;
-
-	if (clk->ops && clk->ops->get_rate)
-		return clk->ops->get_rate(clk);
-
-	return clk_get_rate(clk->parent);
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-struct clk *clk_get_parent(struct clk *clk)
-{
-	unsigned long flags;
-
-	if (unlikely(IS_ERR_OR_NULL(clk)))
-		return NULL;
-
-	if (!clk->ops || !clk->ops->get_parent)
-		return clk->parent;
-
-	spin_lock_irqsave(&clocks_lock, flags);
-	clk->parent = clk->ops->get_parent(clk);
-	spin_unlock_irqrestore(&clocks_lock, flags);
-
-	return clk->parent;
-}
-EXPORT_SYMBOL(clk_get_parent);
-
-void __init mcs814x_clk_init(void)
-{
-	u32 bs1;
-	u8 cpu_freq;
-
-	clkdev_add_table(mcs814x_chip_clks, ARRAY_SIZE(mcs814x_chip_clks));
-
-	/* read the bootstrap registers to know the exact clocking scheme */
-	bs1 = readl_relaxed(mcs814x_sysdbg_base + SYSDBG_BS1);
-	cpu_freq = (bs1 >> CPU_FREQ_SHIFT) & CPU_FREQ_MASK;
-
-	pr_info("CPU frequency: %lu (kHz)\n", cpu_freq_table[cpu_freq]);
-	clk_cpu.rate = cpu_freq * KHZ;
-
-	/* read SDRAM frequency */
-	if (bs1 & SDRAM_FREQ_BIT)
-		clk_sdram.rate = 100 * MHZ;
-	else
-		clk_sdram.rate = 133 * MHZ;
-
-	pr_info("SDRAM frequency: %lu (MHz)\n", clk_sdram.rate / MHZ);
-}
-