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| author | Linus Walleij <linus.walleij@linaro.org> | 2011-09-02 08:52:10 +0200 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2011-10-26 17:19:47 -0400 |
| commit | 6283e328fb8148a8a5753e95c04c16aaef2287c0 (patch) | |
| tree | 48f7e4d623b3f4a7cd55dca5451766c701a7dd1f /drivers/cpufreq | |
| parent | ded84337ac820700f1b9dda724201e64b2ad3536 (diff) | |
| download | linux-stable-6283e328fb8148a8a5753e95c04c16aaef2287c0.tar.gz linux-stable-6283e328fb8148a8a5753e95c04c16aaef2287c0.tar.bz2 linux-stable-6283e328fb8148a8a5753e95c04c16aaef2287c0.zip | |
[CPUFREQ] db8500: support all frequencies
This adds support for the 200 MHz frequency mode of the
DB8500 SoC, and prints the available frequencies at init
time.
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/db8500-cpufreq.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c index b87236add6be..eedfc99c75f6 100644 --- a/drivers/cpufreq/db8500-cpufreq.c +++ b/drivers/cpufreq/db8500-cpufreq.c @@ -18,24 +18,29 @@ static struct cpufreq_frequency_table freq_table[] = { [0] = { .index = 0, - .frequency = 300000, + .frequency = 200000, }, [1] = { .index = 1, - .frequency = 600000, + .frequency = 300000, }, [2] = { - /* Used for MAX_OPP, if available */ .index = 2, - .frequency = CPUFREQ_TABLE_END, + .frequency = 600000, }, [3] = { + /* Used for MAX_OPP, if available */ .index = 3, .frequency = CPUFREQ_TABLE_END, }, + [4] = { + .index = 4, + .frequency = CPUFREQ_TABLE_END, + }, }; static enum arm_opp idx2opp[] = { + ARM_EXTCLK, ARM_50_OPP, ARM_100_OPP, ARM_MAX_OPP @@ -108,12 +113,15 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy) BUILD_BUG_ON(ARRAY_SIZE(idx2opp) + 1 != ARRAY_SIZE(freq_table)); - if (cpu_is_u8500v2() && !prcmu_is_u8400()) { - freq_table[0].frequency = 400000; - freq_table[1].frequency = 800000; + if (!prcmu_is_u8400()) { + freq_table[1].frequency = 400000; + freq_table[2].frequency = 800000; if (prcmu_has_arm_maxopp()) - freq_table[2].frequency = 1000000; + freq_table[3].frequency = 1000000; } + pr_info("db8500-cpufreq : Available frequencies:\n"); + while (freq_table[i].frequency != CPUFREQ_TABLE_END) + pr_info(" %d Mhz\n", freq_table[i++].frequency/1000); /* get policy fields based on the table */ res = cpufreq_frequency_table_cpuinfo(policy, freq_table); |