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rk3026: cpufreq: support thermal throttle

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also bump version to 2.2
This commit is contained in:
黄涛
2013-08-26 11:13:24 +08:00
parent cfb9791902
commit 2192a21c68
1 changed files with 36 additions and 1 deletions
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37
arch/arm/mach-rk3188/cpufreq.c
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@@ -38,7 +38,7 @@
#include <mach/ddr.h>
#include <mach/dvfs.h>
#define VERSION "2.1"
#define VERSION "2.2"
#ifdef DEBUG
#define FREQ_DBG(fmt, args...) pr_debug(fmt, ## args)
@@ -156,6 +156,34 @@ static struct cpufreq_frequency_table temp_limits_cpu_perf[] = {
static struct cpufreq_frequency_table temp_limits_gpu_perf[] = {
{.frequency = 1008 * 1000, .index = 0},
};
#elif defined(CONFIG_ARCH_RK3026)
static struct cpufreq_frequency_table temp_limits[2][1] = {
{ // 1 CPU busy
{.frequency = -1, .index = 0},
}, { // 2 CPUs busy
{.frequency = 816 * 1000, .index = 0},
}
};
static struct cpufreq_frequency_table temp_limits_cpu_perf[] = {
{.frequency = 1008 * 1000, .index = 0},
};
static struct cpufreq_frequency_table temp_limits_gpu_perf[] = {
{.frequency = 1008 * 1000, .index = 0},
};
static struct cpufreq_frequency_table temp_limits_3028a[2][1] = {
{ // 1 CPU busy
{.frequency = -1, .index = 0},
}, { // 2 CPUs busy
{.frequency = 1008 * 1000, .index = 0},
}
};
static struct cpufreq_frequency_table temp_limits_cpu_perf_3028a[] = {
{.frequency = 1200 * 1000, .index = 0},
};
#else /* 3188/3168 etc */
static struct cpufreq_frequency_table temp_limits[4][4] = {
{ // 1 CPU busy
@@ -331,6 +359,13 @@ static void rk3188_cpufreq_temp_limit_init(struct cpufreq_policy *policy)
unsigned int i;
struct cpufreq_frequency_table *table;
#if defined(CONFIG_ARCH_RK3026)
if (soc_is_rk3028a()) {
memcpy(temp_limits, temp_limits_3028a, sizeof(temp_limits));
memcpy(temp_limits_cpu_perf, temp_limits_cpu_perf_3028a, sizeof(temp_limits_cpu_perf));
}
#endif
table = temp_limits[0];
for (i = 0; i < sizeof(temp_limits) / sizeof(struct cpufreq_frequency_table); i++) {
table[i].frequency = get_freq_from_table(table[i].frequency);