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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 11:37:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 11:37:22 -0700
commit1d3c6ff44ad4b5f113602e153026a338f0f9b3ff (patch)
tree1e1f2932634fc6d0e4acfe68496c1c727b83a13e /arch/arm/mach-integrator/cpu.c
parent7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639 (diff)
parent717e7c2672e37253a4d3aa70e4716b5b0a658761 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (224 commits) ARM: remove 'select GENERIC_TIME' ARM: 6136/1: ARCH_REQUIRE_GPIOLIB selects GENERIC_GPIO ARM: 6074/1: oprofile: convert from sysdev to platform device ARM: 6073/1: oprofile: remove old files and update KConfig ARM: 6072/1: oprofile: use perf-events framework as backend ARM: 6071/1: perf-events: allow modules to query the number of hardware counters ARM: 6070/1: perf-events: add support for xscale PMUs ARM: 6069/1: perf-events: use numeric ID to identify PMU ARM: 6064/1: pmu: register IRQs at runtime ARM: Optionally allow ARMv6 to use 'normal, bufferable' memory for DMA ARM: 6134/1: Handle instruction cache maintenance fault properly ARM: nwfpe: allow debugging output to be configured at runtime ARM: rename mach_cpu_disable() to platform_cpu_disable() ARM: 6132/1: PL330: Add common core driver ARM: 6094/1: Extend cache-l2x0 to support the 16-way PL310 ARM: Move memory mapping into mmu.c ARM: Ensure meminfo is sorted prior to sanity_check_meminfo ARM: Remove useless linux/bootmem.h includes ARM: convert /proc/cpu/aligment to seq_file arm: use asm-generic/scatterlist.h ...
Diffstat (limited to 'arch/arm/mach-integrator/cpu.c')
-rw-r--r--arch/arm/mach-integrator/cpu.c53
1 files changed, 30 insertions, 23 deletions
diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c
index f77f2025504..a3fbcb3adc2 100644
--- a/arch/arm/mach-integrator/cpu.c
+++ b/arch/arm/mach-integrator/cpu.c
@@ -19,32 +19,39 @@
#include <linux/io.h>
#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;
-#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,
+ .s2div = icst525_s2div,
+ .idx2s = icst525_idx2s,
};
-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,
.rd_max = 24,
+ .s2div = icst525_s2div,
+ .idx2s = icst525_idx2s,
};
/*
@@ -52,17 +59,17 @@ 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 = icst_hz_to_vco(&cclk_params, policy->max * 1000);
+ policy->max = icst_hz(&cclk_params, vco) / 1000;
- vco = icst525_khz_to_vco(&cclk_params, policy->min);
- policy->min = icst525_khz(&cclk_params, vco);
+ 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,
@@ -78,7 +85,7 @@ 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;
@@ -104,17 +111,17 @@ 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 = icst_hz(&cclk_params, vco) / 1000;
- /* icst525_khz_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_khz_to_vco(&cclk_params, target_freq);
- freqs.new = icst525_khz(&cclk_params, vco);
+ vco = icst_hz_to_vco(&cclk_params, target_freq * 1000);
+ freqs.new = icst_hz(&cclk_params, vco) / 1000;
freqs.cpu = policy->cpu;
@@ -154,7 +161,7 @@ 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;
@@ -172,7 +179,7 @@ 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 = icst_hz(&cclk_params, vco) / 1000; /* current freq */
set_cpus_allowed(current, cpus_allowed);