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Diffstat (limited to 'arch/arm/mach-w90x900/clksel.c')
-rw-r--r--arch/arm/mach-w90x900/clksel.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/arm/mach-w90x900/clksel.c b/arch/arm/mach-w90x900/clksel.c
deleted file mode 100644
index b50577a5a840..000000000000
--- a/arch/arm/mach-w90x900/clksel.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/arch/arm/mach-w90x900/clksel.c
- *
- * Copyright (c) 2008 Nuvoton technology corporation
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/string.h>
-#include <linux/clk.h>
-#include <linux/mutex.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/regs-clock.h>
-
-#define PLL0 0x00
-#define PLL1 0x01
-#define OTHER 0x02
-#define EXT 0x03
-#define MSOFFSET 0x0C
-#define ATAOFFSET 0x0a
-#define LCDOFFSET 0x06
-#define AUDOFFSET 0x04
-#define CPUOFFSET 0x00
-
-static DEFINE_MUTEX(clksel_sem);
-
-static void clock_source_select(const char *dev_id, unsigned int clkval)
-{
- unsigned int clksel, offset;
-
- clksel = __raw_readl(REG_CLKSEL);
-
- if (strcmp(dev_id, "nuc900-ms") == 0)
- offset = MSOFFSET;
- else if (strcmp(dev_id, "nuc900-atapi") == 0)
- offset = ATAOFFSET;
- else if (strcmp(dev_id, "nuc900-lcd") == 0)
- offset = LCDOFFSET;
- else if (strcmp(dev_id, "nuc900-ac97") == 0)
- offset = AUDOFFSET;
- else
- offset = CPUOFFSET;
-
- clksel &= ~(0x03 << offset);
- clksel |= (clkval << offset);
-
- __raw_writel(clksel, REG_CLKSEL);
-}
-
-void nuc900_clock_source(struct device *dev, unsigned char *src)
-{
- unsigned int clkval;
- const char *dev_id;
-
- BUG_ON(!src);
- clkval = 0;
-
- mutex_lock(&clksel_sem);
-
- if (dev)
- dev_id = dev_name(dev);
- else
- dev_id = "cpufreq";
-
- if (strcmp(src, "pll0") == 0)
- clkval = PLL0;
- else if (strcmp(src, "pll1") == 0)
- clkval = PLL1;
- else if (strcmp(src, "ext") == 0)
- clkval = EXT;
- else if (strcmp(src, "oth") == 0)
- clkval = OTHER;
-
- clock_source_select(dev_id, clkval);
-
- mutex_unlock(&clksel_sem);
-}
-EXPORT_SYMBOL(nuc900_clock_source);
-