ARM: S3C2440: Fix s3c2440 cpufreq compilation post move.

Fix compilation issue by moving s3c2440-cpufreq.c into mach-s3c2440 directory

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 0 insertions, 311 deletions

diff --git a/arch/arm/plat-s3c24xx/s3c2440-cpufreq.c b/arch/arm/plat-s3c24xx/s3c2440-cpufreq.c
deleted file mode 100644
index 976002fb1b8f..000000000000
--- a/arch/arm/plat-s3c24xx/s3c2440-cpufreq.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/* linux/arch/arm/plat-s3c24xx/s3c2440-cpufreq.c
- *
- * Copyright (c) 2006-2009 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Ben Dooks <ben@simtec.co.uk>
- *	Vincent Sanders <vince@simtec.co.uk>
- *
- * S3C2440/S3C2442 CPU Frequency scaling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/sysdev.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <mach/regs-clock.h>
-
-#include <plat/cpu.h>
-#include <plat/cpu-freq-core.h>
-#include <plat/clock.h>
-
-static struct clk *xtal;
-static struct clk *fclk;
-static struct clk *hclk;
-static struct clk *armclk;
-
-/* HDIV: 1, 2, 3, 4, 6, 8 */
-
-static inline int within_khz(unsigned long a, unsigned long b)
-{
-	long diff = a - b;
-
-	return (diff >= -1000 && diff <= 1000);
-}
-
-/**
- * s3c2440_cpufreq_calcdivs - calculate divider settings
- * @cfg: The cpu frequency settings.
- *
- * Calcualte the divider values for the given frequency settings
- * specified in @cfg. The values are stored in @cfg for later use
- * by the relevant set routine if the request settings can be reached.
- */
-int s3c2440_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
-{
-	unsigned int hdiv, pdiv;
-	unsigned long hclk, fclk, armclk;
-	unsigned long hclk_max;
-
-	fclk = cfg->freq.fclk;
-	armclk = cfg->freq.armclk;
-	hclk_max = cfg->max.hclk;
-
-	s3c_freq_dbg("%s: fclk is %lu, armclk %lu, max hclk %lu\n",
-		     __func__, fclk, armclk, hclk_max);
-
-	if (armclk > fclk) {
-		printk(KERN_WARNING "%s: armclk > fclk\n", __func__);
-		armclk = fclk;
-	}
-
-	/* if we are in DVS, we need HCLK to be <= ARMCLK */
-	if (armclk < fclk && armclk < hclk_max)
-		hclk_max = armclk;
-
-	for (hdiv = 1; hdiv < 9; hdiv++) {
-		if (hdiv == 5 || hdiv == 7)
-			hdiv++;
-
-		hclk = (fclk / hdiv);
-		if (hclk <= hclk_max || within_khz(hclk, hclk_max))
-			break;
-	}
-
-	s3c_freq_dbg("%s: hclk %lu, div %d\n", __func__, hclk, hdiv);
-
-	if (hdiv > 8)
-		goto invalid;
-
-	pdiv = (hclk > cfg->max.pclk) ? 2 : 1;
-
-	if ((hclk / pdiv) > cfg->max.pclk)
-		pdiv++;
-
-	s3c_freq_dbg("%s: pdiv %d\n", __func__, pdiv);
-
-	if (pdiv > 2)
-		goto invalid;
-
-	pdiv *= hdiv;
-
-	/* calculate a valid armclk */
-
-	if (armclk < hclk)
-		armclk = hclk;
-
-	/* if we're running armclk lower than fclk, this really means
-	 * that the system should go into dvs mode, which means that
-	 * armclk is connected to hclk. */
-	if (armclk < fclk) {
-		cfg->divs.dvs = 1;
-		armclk = hclk;
-	} else
-		cfg->divs.dvs = 0;
-
-	cfg->freq.armclk = armclk;
-
-	/* store the result, and then return */
-
-	cfg->divs.h_divisor = hdiv;
-	cfg->divs.p_divisor = pdiv;
-
-	return 0;
-
- invalid:
-	return -EINVAL;
-}
-
-#define CAMDIVN_HCLK_HALF (S3C2440_CAMDIVN_HCLK3_HALF | \
-			   S3C2440_CAMDIVN_HCLK4_HALF)
-
-/**
- * s3c2440_cpufreq_setdivs - set the cpu frequency divider settings
- * @cfg: The cpu frequency settings.
- *
- * Set the divisors from the settings in @cfg, which where generated
- * during the calculation phase by s3c2440_cpufreq_calcdivs().
- */
-static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
-{
-	unsigned long clkdiv, camdiv;
-
-	s3c_freq_dbg("%s: divsiors: h=%d, p=%d\n", __func__,
-		     cfg->divs.h_divisor, cfg->divs.p_divisor);
-
-	clkdiv = __raw_readl(S3C2410_CLKDIVN);
-	camdiv = __raw_readl(S3C2440_CAMDIVN);
-
-	clkdiv &= ~(S3C2440_CLKDIVN_HDIVN_MASK | S3C2440_CLKDIVN_PDIVN);
-	camdiv &= ~CAMDIVN_HCLK_HALF;
-
-	switch (cfg->divs.h_divisor) {
-	case 1:
-		clkdiv |= S3C2440_CLKDIVN_HDIVN_1;
-		break;
-
-	case 2:
-		clkdiv |= S3C2440_CLKDIVN_HDIVN_2;
-		break;
-
-	case 6:
-		camdiv |= S3C2440_CAMDIVN_HCLK3_HALF;
-	case 3:
-		clkdiv |= S3C2440_CLKDIVN_HDIVN_3_6;
-		break;
-
-	case 8:
-		camdiv |= S3C2440_CAMDIVN_HCLK4_HALF;
-	case 4:
-		clkdiv |= S3C2440_CLKDIVN_HDIVN_4_8;
-		break;
-
-	default:
-		BUG();	/* we don't expect to get here. */
-	}
-
-	if (cfg->divs.p_divisor != cfg->divs.h_divisor)
-		clkdiv |= S3C2440_CLKDIVN_PDIVN;
-
-	/* todo - set pclk. */
-
-	/* Write the divisors first with hclk intentionally halved so that
-	 * when we write clkdiv we will under-frequency instead of over. We
-	 * then make a short delay and remove the hclk halving if necessary.
-	 */
-
-	__raw_writel(camdiv | CAMDIVN_HCLK_HALF, S3C2440_CAMDIVN);
-	__raw_writel(clkdiv, S3C2410_CLKDIVN);
-
-	ndelay(20);
-	__raw_writel(camdiv, S3C2440_CAMDIVN);
-
-	clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk);
-}
-
-static int run_freq_for(unsigned long max_hclk, unsigned long fclk,
-			int *divs,
-			struct cpufreq_frequency_table *table,
-			size_t table_size)
-{
-	unsigned long freq;
-	int index = 0;
-	int div;
-
-	for (div = *divs; div > 0; div = *divs++) {
-		freq = fclk / div;
-
-		if (freq > max_hclk && div != 1)
-			continue;
-
-		freq /= 1000; /* table is in kHz */
-		index = s3c_cpufreq_addfreq(table, index, table_size, freq);
-		if (index < 0)
-			break;
-	}
-
-	return index;
-}
-
-static int hclk_divs[] = { 1, 2, 3, 4, 6, 8, -1 };
-
-static int s3c2440_cpufreq_calctable(struct s3c_cpufreq_config *cfg,
-				     struct cpufreq_frequency_table *table,
-				     size_t table_size)
-{
-	int ret;
-
-	WARN_ON(cfg->info == NULL);
-	WARN_ON(cfg->board == NULL);
-
-	ret = run_freq_for(cfg->info->max.hclk,
-			   cfg->info->max.fclk,
-			   hclk_divs,
-			   table, table_size);
-
-	s3c_freq_dbg("%s: returning %d\n", __func__, ret);
-
-	return ret;
-}
-
-struct s3c_cpufreq_info s3c2440_cpufreq_info = {
-	.max		= {
-		.fclk	= 400000000,
-		.hclk	= 133333333,
-		.pclk	=  66666666,
-	},
-
-	.locktime_m	= 300,
-	.locktime_u	= 300,
-	.locktime_bits	= 16,
-
-	.name		= "s3c244x",
-	.calc_iotiming	= s3c2410_iotiming_calc,
-	.set_iotiming	= s3c2410_iotiming_set,
-	.get_iotiming	= s3c2410_iotiming_get,
-	.set_fvco	= s3c2410_set_fvco,
-
-	.set_refresh	= s3c2410_cpufreq_setrefresh,
-	.set_divs	= s3c2440_cpufreq_setdivs,
-	.calc_divs	= s3c2440_cpufreq_calcdivs,
-	.calc_freqtable	= s3c2440_cpufreq_calctable,
-
-	.resume_clocks	= s3c244x_setup_clocks,
-
-	.debug_io_show  = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
-};
-
-static int s3c2440_cpufreq_add(struct sys_device *sysdev)
-{
-	xtal = s3c_cpufreq_clk_get(NULL, "xtal");
-	hclk = s3c_cpufreq_clk_get(NULL, "hclk");
-	fclk = s3c_cpufreq_clk_get(NULL, "fclk");
-	armclk = s3c_cpufreq_clk_get(NULL, "armclk");
-
-	if (IS_ERR(xtal) || IS_ERR(hclk) || IS_ERR(fclk) || IS_ERR(armclk)) {
-		printk(KERN_ERR "%s: failed to get clocks\n", __func__);
-		return -ENOENT;
-	}
-
-	return s3c_cpufreq_register(&s3c2440_cpufreq_info);
-}
-
-static struct sysdev_driver s3c2440_cpufreq_driver = {
-	.add		= s3c2440_cpufreq_add,
-};
-
-static int s3c2440_cpufreq_init(void)
-{
-	return sysdev_driver_register(&s3c2440_sysclass,
-				      &s3c2440_cpufreq_driver);
-}
-
-/* arch_initcall adds the clocks we need, so use subsys_initcall. */
-subsys_initcall(s3c2440_cpufreq_init);
-
-static struct sysdev_driver s3c2442_cpufreq_driver = {
-	.add		= s3c2440_cpufreq_add,
-};
-
-static int s3c2442_cpufreq_init(void)
-{
-	return sysdev_driver_register(&s3c2442_sysclass,
-				      &s3c2442_cpufreq_driver);
-}
-
-subsys_initcall(s3c2442_cpufreq_init);