ARM: ICST: move minimum VCO frequency to icst_params

[safe/jmp/linux-2.6] / arch / arm / mach-integrator / cpu.c

diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index 7c49d55..569306b 100644 (file)
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -17,31 +17,34 @@
 #include <linux/sched.h>
 #include <linux/smp.h>
 #include <linux/init.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
-#include <asm/io.h>
+#include <mach/platform.h>
 #include <asm/mach-types.h>
 #include <asm/hardware/icst525.h>
 
 static struct cpufreq_driver integrator_driver;
 
-#define CM_ID          (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_ID_OFFSET)
-#define CM_OSC (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_OSC_OFFSET)
-#define CM_STAT (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_STAT_OFFSET)
-#define CM_LOCK (IO_ADDRESS(INTEGRATOR_HDR_BASE)+INTEGRATOR_HDR_LOCK_OFFSET)
+#define CM_ID          IO_ADDRESS(INTEGRATOR_HDR_ID)
+#define CM_OSC IO_ADDRESS(INTEGRATOR_HDR_OSC)
+#define CM_STAT IO_ADDRESS(INTEGRATOR_HDR_STAT)
+#define CM_LOCK IO_ADDRESS(INTEGRATOR_HDR_LOCK)
 
-static const struct icst525_params lclk_params = {
-       .ref            = 24000,
-       .vco_max        = 320000,
+static const struct icst_params lclk_params = {
+       .ref            = 24000000,
+       .vco_max        = ICST525_VCO_MAX_5V,
+       .vco_min        = ICST525_VCO_MIN,
        .vd_min         = 8,
        .vd_max         = 132,
        .rd_min         = 24,
        .rd_max         = 24,
 };
 
-static const struct icst525_params cclk_params = {
-       .ref            = 24000,
-       .vco_max        = 320000,
+static const struct icst_params cclk_params = {
+       .ref            = 24000000,
+       .vco_max        = ICST525_VCO_MAX_5V,
+       .vco_min        = ICST525_VCO_MIN,
        .vd_min         = 12,
        .vd_max         = 160,
        .rd_min         = 24,
@@ -53,17 +56,17 @@ static const struct icst525_params cclk_params = {
  */
 static int integrator_verify_policy(struct cpufreq_policy *policy)
 {
-       struct icst525_vco vco;
+       struct icst_vco vco;
 
        cpufreq_verify_within_limits(policy, 
                                     policy->cpuinfo.min_freq, 
                                     policy->cpuinfo.max_freq);
 
-       vco = icst525_khz_to_vco(&cclk_params, policy->max);
-       policy->max = icst525_khz(&cclk_params, vco);
+       vco = icst525_hz_to_vco(&cclk_params, policy->max * 1000);
+       policy->max = icst525_hz(&cclk_params, vco) / 1000;
 
-       vco = icst525_khz_to_vco(&cclk_params, policy->min);
-       policy->min = icst525_khz(&cclk_params, vco);
+       vco = icst525_hz_to_vco(&cclk_params, policy->min * 1000);
+       policy->min = icst525_hz(&cclk_params, vco) / 1000;
 
        cpufreq_verify_within_limits(policy, 
                                     policy->cpuinfo.min_freq, 
@@ -79,7 +82,7 @@ static int integrator_set_target(struct cpufreq_policy *policy,
 {
        cpumask_t cpus_allowed;
        int cpu = policy->cpu;
-       struct icst525_vco vco;
+       struct icst_vco vco;
        struct cpufreq_freqs freqs;
        u_int cm_osc;
 
@@ -105,17 +108,17 @@ static int integrator_set_target(struct cpufreq_policy *policy,
        }
        vco.v = cm_osc & 255;
        vco.r = 22;
-       freqs.old = icst525_khz(&cclk_params, vco);
+       freqs.old = icst525_hz(&cclk_params, vco) / 1000;
 
-       /* icst525_khz_to_vco rounds down -- so we need the next
+       /* icst525_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_khz_to_vco(&cclk_params, target_freq);
-       freqs.new = icst525_khz(&cclk_params, vco);
+       vco = icst525_hz_to_vco(&cclk_params, target_freq * 1000);
+       freqs.new = icst525_hz(&cclk_params, vco) / 1000;
 
        freqs.cpu = policy->cpu;
 
@@ -155,7 +158,7 @@ static unsigned int integrator_get(unsigned int cpu)
        cpumask_t cpus_allowed;
        unsigned int current_freq;
        u_int cm_osc;
-       struct icst525_vco vco;
+       struct icst_vco vco;
 
        cpus_allowed = current->cpus_allowed;
 
@@ -173,7 +176,7 @@ static unsigned int integrator_get(unsigned int cpu)
        vco.v = cm_osc & 255;
        vco.r = 22;
 
-       current_freq = icst525_khz(&cclk_params, vco); /* current freq */
+       current_freq = icst525_hz(&cclk_params, vco) / 1000; /* current freq */
 
        set_cpus_allowed(current, cpus_allowed);
 
@@ -184,7 +187,6 @@ static int integrator_cpufreq_init(struct cpufreq_policy *policy)
 {
 
        /* set default policy and cpuinfo */
-       policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
        policy->cpuinfo.max_freq = 160000;
        policy->cpuinfo.min_freq = 12000;
        policy->cpuinfo.transition_latency = 1000000; /* 1 ms, assumed */