20 files changed, 67 insertions, 218 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 86fecec1600d..3c436fdbe2a0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -240,7 +240,7 @@ config ARCH_INTEGRATOR
         select ARCH_HAS_CPUFREQ
         select HAVE_CLK
         select COMMON_CLKDEV
-        select ICST525
+        select ICST
         select GENERIC_TIME
         select GENERIC_CLOCKEVENTS
         help
@@ -251,7 +251,7 @@ config ARCH_REALVIEW
         select ARM_AMBA
         select HAVE_CLK
         select COMMON_CLKDEV
-        select ICST307
+        select ICST
         select GENERIC_TIME
         select GENERIC_CLOCKEVENTS
         select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -264,7 +264,7 @@ config ARCH_VERSATILE
         select ARM_VIC
         select HAVE_CLK
         select COMMON_CLKDEV
-        select ICST307
+        select ICST
         select GENERIC_TIME
         select GENERIC_CLOCKEVENTS
         select ARCH_WANT_OPTIONAL_GPIOLIB
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 4efbb9df0444..323d2d289523 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -12,10 +12,7 @@ config ARM_VIC_NR
           The maximum number of VICs available in the system, for
           power management.
 
-config ICST525
-        bool
-
-config ICST307
+config ICST
         bool
 
 config SA1111
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 76be7ff2a7ca..5e8ad0d6c917 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -4,8 +4,7 @@
 
 obj-$(CONFIG_ARM_GIC)           += gic.o
 obj-$(CONFIG_ARM_VIC)           += vic.o
-obj-$(CONFIG_ICST525)           += icst525.o
-obj-$(CONFIG_ICST307)           += icst307.o
+obj-$(CONFIG_ICST)              += icst.o
 obj-$(CONFIG_SA1111)            += sa1111.o
 obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o
 obj-$(CONFIG_DMABOUNCE)         += dmabounce.o
diff --git a/arch/arm/common/icst307.c b/arch/arm/common/icst.c
index 8332c0726e73..9a7f09cff300 100644
--- a/arch/arm/common/icst307.c
+++ b/arch/arm/common/icst.c
@@ -17,31 +17,33 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 
-#include <asm/hardware/icst307.h>
+#include <asm/hardware/icst.h>
 
 /*
  * Divisors for each OD setting.
  */
 const unsigned char icst307_s2div[8] = { 10, 2, 8, 4, 5, 7, 3, 6 };
-
+const unsigned char icst525_s2div[8] = { 10, 2, 8, 4, 5, 7, 9, 6 };
 EXPORT_SYMBOL(icst307_s2div);
+EXPORT_SYMBOL(icst525_s2div);
 
-unsigned long icst307_hz(const struct icst_params *p, struct icst_vco vco)
+unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco)
 {
         return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * p->s2div[vco.s]);
 }
 
-EXPORT_SYMBOL(icst307_hz);
+EXPORT_SYMBOL(icst_hz);
 
 /*
  * Ascending divisor S values.
  */
 const unsigned char icst307_idx2s[8] = { 1, 6, 3, 4, 7, 5, 2, 0 };
-
+const unsigned char icst525_idx2s[8] = { 1, 3, 4, 7, 5, 2, 6, 0 };
 EXPORT_SYMBOL(icst307_idx2s);
+EXPORT_SYMBOL(icst525_idx2s);
 
 struct icst_vco
-icst307_hz_to_vco(const struct icst_params *p, unsigned long freq)
+icst_hz_to_vco(const struct icst_params *p, unsigned long freq)
 {
         struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
         unsigned long f;
@@ -54,9 +56,6 @@ icst307_hz_to_vco(const struct icst_params *p, unsigned long freq)
         do {
                 f = freq * p->s2div[p->idx2s[i]];
 
-                /*
-                 * f must be between 6MHz and 200MHz (3.3 or 5V)
-                 */
                 if (f > p->vco_min && f <= p->vco_max)
                         break;
         } while (i < 8);
@@ -98,4 +97,4 @@ icst307_hz_to_vco(const struct icst_params *p, unsigned long freq)
         return vco;
 }
 
-EXPORT_SYMBOL(icst307_hz_to_vco);
+EXPORT_SYMBOL(icst_hz_to_vco);
diff --git a/arch/arm/common/icst525.c b/arch/arm/common/icst525.c
deleted file mode 100644
index 4180255eb078..000000000000
--- a/arch/arm/common/icst525.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- *  linux/arch/arm/common/icst525.c
- *
- *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- *
- * 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.
- *
- *  Support functions for calculating clocks/divisors for the ICST525
- *  clock generators.  See http://www.icst.com/ for more information
- *  on these devices.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-
-#include <asm/hardware/icst525.h>
-
-/*
- * Divisors for each OD setting.
- */
-const unsigned char icst525_s2div[8] = { 10, 2, 8, 4, 5, 7, 9, 6 };
-
-EXPORT_SYMBOL(icst525_s2div);
-
-unsigned long icst525_hz(const struct icst_params *p, struct icst_vco vco)
-{
-        return p->ref * 2 * (vco.v + 8) / ((vco.r + 2) * p->s2div[vco.s]);
-}
-
-EXPORT_SYMBOL(icst525_hz);
-
-/*
- * Ascending divisor S values.
- */
-const unsigned char icst525_idx2s[8] = { 1, 3, 4, 7, 5, 2, 6, 0 };
-
-EXPORT_SYMBOL(icst525_idx2s);
-
-struct icst_vco
-icst525_hz_to_vco(const struct icst_params *p, unsigned long freq)
-{
-        struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
-        unsigned long f;
-        unsigned int i = 0, rd, best = (unsigned int)-1;
-
-        /*
-         * First, find the PLL output divisor such
-         * that the PLL output is within spec.
-         */
-        do {
-                f = freq * p->s2div[p->idx2s[i]];
-
-                /*
-                 * f must be between 10MHz and
-                 *  320MHz (5V) or 200MHz (3V)
-                 */
-                if (f > p->vco_min && f <= p->vco_max)
-                        break;
-        } while (i < 8);
-
-        if (i >= 8)
-                return vco;
-
-        vco.s = p->idx2s[i];
-
-        /*
-         * Now find the closest divisor combination
-         * which gives a PLL output of 'f'.
-         */
-        for (rd = p->rd_min; rd <= p->rd_max; rd++) {
-                unsigned long fref_div, f_pll;
-                unsigned int vd;
-                int f_diff;
-
-                fref_div = (2 * p->ref) / rd;
-
-                vd = (f + fref_div / 2) / fref_div;
-                if (vd < p->vd_min || vd > p->vd_max)
-                        continue;
-
-                f_pll = fref_div * vd;
-                f_diff = f_pll - f;
-                if (f_diff < 0)
-                        f_diff = -f_diff;
-
-                if ((unsigned)f_diff < best) {
-                        vco.v = vd - 8;
-                        vco.r = rd - 2;
-                        if (f_diff == 0)
-                                break;
-                        best = f_diff;
-                }
-        }
-
-        return vco;
-}
-
-EXPORT_SYMBOL(icst525_hz_to_vco);
diff --git a/arch/arm/include/asm/hardware/icst.h b/arch/arm/include/asm/hardware/icst.h
index 4d403680fa47..10382a3dcec9 100644
--- a/arch/arm/include/asm/hardware/icst.h
+++ b/arch/arm/include/asm/hardware/icst.h
@@ -32,4 +32,28 @@ struct icst_vco {
         unsigned char   s;
 };
 
+unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco);
+struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq);
+
+/*
+ * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST307_VCO_MIN 6000000
+#define ICST307_VCO_MAX 200000000
+
+extern const unsigned char icst307_s2div[];
+extern const unsigned char icst307_idx2s[];
+
+/*
+ * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
+ * This frequency is pre-output divider.
+ */
+#define ICST525_VCO_MIN         10000000
+#define ICST525_VCO_MAX_3V      200000000
+#define ICST525_VCO_MAX_5V      320000000
+
+extern const unsigned char icst525_s2div[];
+extern const unsigned char icst525_idx2s[];
+
 #endif
diff --git a/arch/arm/include/asm/hardware/icst307.h b/arch/arm/include/asm/hardware/icst307.h
deleted file mode 100644
index d76fc6e09e47..000000000000
--- a/arch/arm/include/asm/hardware/icst307.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- *  arch/arm/include/asm/hardware/icst307.h
- *
- *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- *
- * 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.
- *
- *  Support functions for calculating clocks/divisors for the ICS307
- *  clock generators.  See http://www.icst.com/ for more information
- *  on these devices.
- *
- *  This file is similar to the icst525.h file
- */
-#ifndef ASMARM_HARDWARE_ICST307_H
-#define ASMARM_HARDWARE_ICST307_H
-
-#include <asm/hardware/icst.h>
-
-unsigned long icst307_hz(const struct icst_params *p, struct icst_vco vco);
-struct icst_vco icst307_hz_to_vco(const struct icst_params *p, unsigned long freq);
-
-/*
- * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
- * This frequency is pre-output divider.
- */
-#define ICST307_VCO_MIN 6000000
-#define ICST307_VCO_MAX 200000000
-
-extern const unsigned char icst307_s2div[];
-extern const unsigned char icst307_idx2s[];
-
-#endif
diff --git a/arch/arm/include/asm/hardware/icst525.h b/arch/arm/include/asm/hardware/icst525.h
deleted file mode 100644
index 2f9b95386b1b..000000000000
--- a/arch/arm/include/asm/hardware/icst525.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  arch/arm/include/asm/hardware/icst525.h
- *
- *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
- *
- * 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.
- *
- *  Support functions for calculating clocks/divisors for the ICST525
- *  clock generators.  See http://www.icst.com/ for more information
- *  on these devices.
- */
-#ifndef ASMARM_HARDWARE_ICST525_H
-#define ASMARM_HARDWARE_ICST525_H
-
-#include <asm/hardware/icst.h>
-
-unsigned long icst525_hz(const struct icst_params *p, struct icst_vco vco);
-struct icst_vco icst525_hz_to_vco(const struct icst_params *p, unsigned long freq);
-
-/*
- * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
- * This frequency is pre-output divider.
- */
-#define ICST525_VCO_MIN         10000000
-#define ICST525_VCO_MAX_3V      200000000
-#define ICST525_VCO_MAX_5V      320000000
-
-extern const unsigned char icst525_s2div[];
-extern const unsigned char icst525_idx2s[];
-
-#endif
diff --git a/arch/arm/mach-integrator/clock.c b/arch/arm/mach-integrator/clock.c
index a4f80d33429d..52fc294eac74 100644
--- a/arch/arm/mach-integrator/clock.c
+++ b/arch/arm/mach-integrator/clock.c
@@ -14,7 +14,7 @@
 #include <linux/clk.h>
 #include <linux/mutex.h>
 
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/icst.h>
 #include <asm/clkdev.h>
 #include <mach/clkdev.h>
 
@@ -38,8 +38,8 @@ EXPORT_SYMBOL(clk_get_rate);
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
         struct icst_vco vco;
-        vco = icst525_hz_to_vco(clk->params, rate);
-        return icst525_hz(clk->params, vco);
+        vco = icst_hz_to_vco(clk->params, rate);
+        return icst_hz(clk->params, vco);
 }
 EXPORT_SYMBOL(clk_round_rate);
 
@@ -50,8 +50,8 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
         if (clk->setvco) {
                 struct icst_vco vco;
 
-                vco = icst525_hz_to_vco(clk->params, rate);
-                clk->rate = icst525_hz(clk->params, vco);
+                vco = icst_hz_to_vco(clk->params, rate);
+                clk->rate = icst_hz(clk->params, vco);
                 clk->setvco(clk, vco);
                 ret = 0;
         }
diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index 9481c5408bf8..1cb222daa06d 100644
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -22,7 +22,7 @@
 #include <mach/hardware.h>
 #include <mach/platform.h>
 #include <asm/mach-types.h>
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/icst.h>
 
 static struct cpufreq_driver integrator_driver;
 
@@ -66,11 +66,11 @@ static int integrator_verify_policy(struct cpufreq_policy *policy)
                                      policy->cpuinfo.min_freq, 
                                      policy->cpuinfo.max_freq);
 
-        vco = icst525_hz_to_vco(&cclk_params, policy->max * 1000);
-        policy->max = icst525_hz(&cclk_params, vco) / 1000;
+        vco = icst_hz_to_vco(&cclk_params, policy->max * 1000);
+        policy->max = icst_hz(&cclk_params, vco) / 1000;
 
-        vco = icst525_hz_to_vco(&cclk_params, policy->min * 1000);
-        policy->min = icst525_hz(&cclk_params, vco) / 1000;
+        vco = icst_hz_to_vco(&cclk_params, policy->min * 1000);
+        policy->min = icst_hz(&cclk_params, vco) / 1000;
 
         cpufreq_verify_within_limits(policy, 
                                      policy->cpuinfo.min_freq, 
@@ -112,17 +112,17 @@ static int integrator_set_target(struct cpufreq_policy *policy,
         }
         vco.v = cm_osc & 255;
         vco.r = 22;
-        freqs.old = icst525_hz(&cclk_params, vco) / 1000;
+        freqs.old = icst_hz(&cclk_params, vco) / 1000;
 
-        /* icst525_hz_to_vco rounds down -- so we need the next
+        /* icst_hz_to_vco rounds down -- so we need the next
          * larger freq in case of CPUFREQ_RELATION_L.
          */
         if (relation == CPUFREQ_RELATION_L)
                 target_freq += 999;
         if (target_freq > policy->max)
                 target_freq = policy->max;
-        vco = icst525_hz_to_vco(&cclk_params, target_freq * 1000);
-        freqs.new = icst525_hz(&cclk_params, vco) / 1000;
+        vco = icst_hz_to_vco(&cclk_params, target_freq * 1000);
+        freqs.new = icst_hz(&cclk_params, vco) / 1000;
 
         freqs.cpu = policy->cpu;
 
@@ -180,7 +180,7 @@ static unsigned int integrator_get(unsigned int cpu)
         vco.v = cm_osc & 255;
         vco.r = 22;
 
-        current_freq = icst525_hz(&cclk_params, vco) / 1000; /* current freq */
+        current_freq = icst_hz(&cclk_params, vco) / 1000; /* current freq */
 
         set_cpus_allowed(current, cpus_allowed);
 
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index e24cfc357ffb..3e2110216851 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -24,7 +24,7 @@
 
 #include <asm/clkdev.h>
 #include <mach/clkdev.h>
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/icst.h>
 #include <mach/lm.h>
 #include <mach/impd1.h>
 #include <asm/sizes.h>
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 9997d1f6c184..a9ab8fda3992 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -29,7 +29,7 @@
 #include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
-#include <asm/hardware/icst525.h>
+#include <asm/hardware/icst.h>
 
 #include <mach/cm.h>
 #include <mach/lm.h>
diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c
index 2ba0667d18f5..18c545921e41 100644
--- a/arch/arm/mach-realview/clock.c
+++ b/arch/arm/mach-realview/clock.c
@@ -18,7 +18,7 @@
 #include <linux/clk.h>
 #include <linux/mutex.h>
 
-#include <asm/hardware/icst307.h>
+#include <asm/hardware/icst.h>
 
 #include "clock.h"
 
@@ -42,8 +42,8 @@ EXPORT_SYMBOL(clk_get_rate);
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
         struct icst_vco vco;
-        vco = icst307_hz_to_vco(clk->params, rate);
-        return icst307_hz(clk->params, vco);
+        vco = icst_hz_to_vco(clk->params, rate);
+        return icst_hz(clk->params, vco);
 }
 EXPORT_SYMBOL(clk_round_rate);
 
@@ -54,8 +54,8 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
         if (clk->setvco) {
                 struct icst_vco vco;
 
-                vco = icst307_hz_to_vco(clk->params, rate);
-                clk->rate = icst307_hz(clk->params, vco);
+                vco = icst_hz_to_vco(clk->params, rate);
+                clk->rate = icst_hz(clk->params, vco);
                 clk->setvco(clk, vco);
                 ret = 0;
         }
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 26d44caad540..a8c215a406a2 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -39,7 +39,7 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/arm_timer.h>
-#include <asm/hardware/icst307.h>
+#include <asm/hardware/icst.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 7d857d300558..39d953c89d9a 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -32,7 +32,6 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/gic.h>
-#include <asm/hardware/icst307.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/localtimer.h>
 
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 44392e51dd50..a93aac5f473e 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -32,7 +32,6 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/gic.h>
-#include <asm/hardware/icst307.h>
 #include <asm/hardware/cache-l2x0.h>
 
 #include <asm/mach/arch.h>
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 3e02731af959..c7c656e235cc 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -32,7 +32,6 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/gic.h>
-#include <asm/hardware/icst307.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/localtimer.h>
 
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index fe4e25c4201a..3e3aaa3a2bc0 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -31,7 +31,6 @@
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/gic.h>
-#include <asm/hardware/icst307.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
diff --git a/arch/arm/mach-versatile/clock.c b/arch/arm/mach-versatile/clock.c
index 82753be453d0..adc67d771c78 100644
--- a/arch/arm/mach-versatile/clock.c
+++ b/arch/arm/mach-versatile/clock.c
@@ -19,7 +19,7 @@
 #include <linux/mutex.h>
 
 #include <asm/clkdev.h>
-#include <asm/hardware/icst307.h>
+#include <asm/hardware/icst.h>
 
 #include "clock.h"
 
@@ -43,8 +43,8 @@ EXPORT_SYMBOL(clk_get_rate);
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
         struct icst_vco vco;
-        vco = icst307_hz_to_vco(clk->params, rate);
-        return icst307_hz(clk->params, vco);
+        vco = icst_hz_to_vco(clk->params, rate);
+        return icst_hz(clk->params, vco);
 }
 EXPORT_SYMBOL(clk_round_rate);
 
@@ -55,8 +55,8 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
         if (clk->setvco) {
                 struct icst_vco vco;
 
-                vco = icst307_hz_to_vco(clk->params, rate);
-                clk->rate = icst307_hz(clk->params, vco);
+                vco = icst_hz_to_vco(clk->params, rate);
+                clk->rate = icst_hz(clk->params, vco);
                 clk->setvco(clk, vco);
                 ret = 0;
         }
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 51d7aeb6a507..3c67691d4e72 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -38,7 +38,7 @@
 #include <asm/irq.h>
 #include <asm/leds.h>
 #include <asm/hardware/arm_timer.h>
-#include <asm/hardware/icst307.h>
+#include <asm/hardware/icst.h>
 #include <asm/hardware/vic.h>
 #include <asm/mach-types.h>