Merge commit 'v2.6.30-rc5' into next

[pandora-kernel.git] / arch / arm / mach-s3c2443 / clock.c

diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index f854e73..2785d69 100644 (file)
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -29,7 +29,6 @@
 #include <linux/sysdev.h>
 #include <linux/clk.h>
 #include <linux/mutex.h>
-#include <linux/delay.h>
 #include <linux/serial_core.h>
 #include <linux/io.h>
 
@@ -39,6 +38,8 @@
 
 #include <mach/regs-s3c2443-clock.h>
 
+#include <plat/cpu-freq.h>
+
 #include <plat/s3c2443.h>
 #include <plat/clock.h>
 #include <plat/cpu.h>
@@ -145,12 +146,6 @@ static unsigned long s3c2443_roundrate_clksrc256(struct clk *clk,
 
 /* clock selections */
 
-/* CPU EXTCLK input */
-static struct clk clk_ext = {
-       .name           = "ext",
-       .id             = -1,
-};
-
 static struct clk clk_mpllref = {
        .name           = "mpllref",
        .parent         = &clk_xtal,
@@ -165,14 +160,6 @@ static struct clk clk_mpll = {
 };
 #endif
 
-static struct clk clk_epllref;
-
-static struct clk clk_epll = {
-       .name           = "epll",
-       .parent         = &clk_epllref,
-       .id             = -1,
-};
-
 static struct clk clk_i2s_ext = {
        .name           = "i2s-ext",
        .id             = -1,
@@ -1011,22 +998,20 @@ static struct clk *clks[] __initdata = {
        &clk_prediv,
 };
 
-void __init s3c2443_init_clocks(int xtal)
+void __init_or_cpufreq s3c2443_setup_clocks(void)
 {
-       unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
        unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON);
        unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+       struct clk *xtal_clk;
+       unsigned long xtal;
        unsigned long pll;
        unsigned long fclk;
        unsigned long hclk;
        unsigned long pclk;
-       struct clk *clkp;
-       int ret;
-       int ptr;
 
-       /* s3c2443 parents h and p clocks from prediv */
-       clk_h.parent = &clk_prediv;
-       clk_p.parent = &clk_prediv;
+       xtal_clk = clk_get(NULL, "xtal");
+       xtal = clk_get_rate(xtal_clk);
+       clk_put(xtal_clk);
 
        pll = s3c2443_get_mpll(mpllcon, xtal);
        clk_msysclk.rate = pll;
@@ -1036,13 +1021,29 @@ void __init s3c2443_init_clocks(int xtal)
        hclk /= s3c2443_get_hdiv(clkdiv0);
        pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1);
 
-       s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+       s3c24xx_setup_clocks(fclk, hclk, pclk);
 
        printk("S3C2443: mpll %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n",
               (mpllcon & S3C2443_PLLCON_OFF) ? "off":"on",
               print_mhz(pll), print_mhz(fclk),
               print_mhz(hclk), print_mhz(pclk));
 
+       s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c2443_init_clocks(int xtal)
+{
+       struct clk *clkp;
+       unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
+       int ret;
+       int ptr;
+
+       /* s3c2443 parents h and p clocks from prediv */
+       clk_h.parent = &clk_prediv;
+       clk_p.parent = &clk_prediv;
+
+       s3c24xx_register_baseclocks(xtal);
+       s3c2443_setup_clocks();
        s3c2443_clk_initparents();
 
        for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
@@ -1056,7 +1057,7 @@ void __init s3c2443_init_clocks(int xtal)
        }
 
        clk_epll.rate = s3c2443_get_epll(epllcon, xtal);
-
+       clk_epll.parent = &clk_epllref;
        clk_usb_bus.parent = &clk_usb_bus_host;
 
        /* ensure usb bus clock is within correct rate of 48MHz */
@@ -1105,4 +1106,6 @@ void __init s3c2443_init_clocks(int xtal)
 
                (clkp->enable)(clkp, 0);
        }
+
+       s3c_pwmclk_init();
 }