6 files changed, 75 insertions, 1 deletions

diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 1b25c9d8c403..8bf79f3efdfb 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -376,6 +376,21 @@ void __init s3c_register_clocks(struct clk *clkp, int nr_clks)
         }
 }
 
+/**
+ * s3c_disable_clocks() - disable an array of clocks
+ * @clkp: Pointer to the first clock in the array.
+ * @nr_clks: Number of clocks to register.
+ *
+ * for internal use only at initialisation time. disable the clocks in the
+ * @clkp array.
+ */
+
+void __init s3c_disable_clocks(struct clk *clkp, int nr_clks)
+{
+        for (; nr_clks > 0; nr_clks--, clkp++)
+                (clkp->enable)(clkp, 0);
+}
+
 /* initalise all the clocks */
 
 int __init s3c24xx_register_baseclocks(unsigned long xtal)
diff --git a/arch/arm/plat-samsung/dev-fb.c b/arch/arm/plat-samsung/dev-fb.c
index 002a15f313f3..bf60204c6297 100644
--- a/arch/arm/plat-samsung/dev-fb.c
+++ b/arch/arm/plat-samsung/dev-fb.c
@@ -19,7 +19,6 @@
 
 #include <mach/irqs.h>
 #include <mach/map.h>
-#include <mach/regs-fb.h>
 
 #include <plat/fb.h>
 #include <plat/devs.h>
diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h
index efbc984640c3..0fbcd0effd8e 100644
--- a/arch/arm/plat-samsung/include/plat/clock.h
+++ b/arch/arm/plat-samsung/include/plat/clock.h
@@ -92,6 +92,7 @@ extern int s3c24xx_register_clock(struct clk *clk);
 extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
 
 extern void s3c_register_clocks(struct clk *clk, int nr_clks);
+extern void s3c_disable_clocks(struct clk *clkp, int nr_clks);
 
 extern int s3c24xx_register_baseclocks(unsigned long xtal);
 
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index c54f318991b6..6412933d6fbb 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -73,6 +73,7 @@ extern struct sys_timer s3c24xx_timer;
 extern struct sysdev_class s3c2410_sysclass;
 extern struct sysdev_class s3c2410a_sysclass;
 extern struct sysdev_class s3c2412_sysclass;
+extern struct sysdev_class s3c2416_sysclass;
 extern struct sysdev_class s3c2440_sysclass;
 extern struct sysdev_class s3c2442_sysclass;
 extern struct sysdev_class s3c2443_sysclass;
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index ffc01a76b7ce..1f85649d8c18 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -15,6 +15,13 @@
 #ifndef __PLAT_S3C_FB_H
 #define __PLAT_S3C_FB_H __FILE__
 
+/* S3C_FB_MAX_WIN
+ * Set to the maximum number of windows that any of the supported hardware
+ * can use. Since the platform data uses this for an array size, having it
+ * set to the maximum of any version of the hardware can do is safe.
+ */
+#define S3C_FB_MAX_WIN  (5)
+
 /**
  * struct s3c_fb_pd_win - per window setup data
  * @win_mode: The display parameters to initialise (not for window 0)
diff --git a/arch/arm/plat-samsung/include/plat/pll6553x.h b/arch/arm/plat-samsung/include/plat/pll6553x.h
new file mode 100644
index 000000000000..b8b7e1d884f8
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/pll6553x.h
@@ -0,0 +1,51 @@
+/* arch/arm/plat-samsung/include/plat/pll6553x.h
+ *      partially from arch/arm/mach-s3c64xx/include/mach/pll.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Samsung PLL6553x PLL code
+ *
+ * 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.
+*/
+
+/* S3C6400 and compatible (S3C2416, etc.) EPLL code */
+
+#define PLL6553X_MDIV_MASK      ((1 << (23-16)) - 1)
+#define PLL6553X_PDIV_MASK      ((1 << (13-8)) - 1)
+#define PLL6553X_SDIV_MASK      ((1 << (2-0)) - 1)
+#define PLL6553X_MDIV_SHIFT     (16)
+#define PLL6553X_PDIV_SHIFT     (8)
+#define PLL6553X_SDIV_SHIFT     (0)
+#define PLL6553X_KDIV_MASK      (0xffff)
+
+static inline unsigned long s3c_get_pll6553x(unsigned long baseclk,
+                                             u32 pll0, u32 pll1)
+{
+        unsigned long result;
+        u32 mdiv, pdiv, sdiv, kdiv;
+        u64 tmp;
+
+        mdiv = (pll0 >> PLL6553X_MDIV_SHIFT) & PLL6553X_MDIV_MASK;
+        pdiv = (pll0 >> PLL6553X_PDIV_SHIFT) & PLL6553X_PDIV_MASK;
+        sdiv = (pll0 >> PLL6553X_SDIV_SHIFT) & PLL6553X_SDIV_MASK;
+        kdiv = pll1 & PLL6553X_KDIV_MASK;
+
+        /* We need to multiple baseclk by mdiv (the integer part) and kdiv
+         * which is in 2^16ths, so shift mdiv up (does not overflow) and
+         * add kdiv before multiplying. The use of tmp is to avoid any
+         * overflows before shifting bac down into result when multipling
+         * by the mdiv and kdiv pair.
+         */
+
+        tmp = baseclk;
+        tmp *= (mdiv << 16) + kdiv;
+        do_div(tmp, (pdiv << sdiv));
+        result = tmp >> 16;
+
+        return result;
+}