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| author | Marcin Bukat <marcin.bukat@gmail.com> | 2012-08-06 20:22:57 +0200 |
|---|---|---|
| committer | Marcin Bukat <marcin.bukat@gmail.com> | 2012-08-30 13:50:36 +0200 |
| commit | 722e24a76ac7a2c550f8428c5762f40dd9313d91 (patch) | |
| tree | b1398f2740c77b20973099c48db4d846bfd84a99 /firmware/target/arm/rk27xx/system-target.h | |
| parent | 417da66bb3e02849b8a63213818f2fed1d8354fb (diff) | |
| download | rockbox-722e24a76ac7a2c550f8428c5762f40dd9313d91.tar.gz rockbox-722e24a76ac7a2c550f8428c5762f40dd9313d91.zip | |
rk27xx: implement frequency scalling
Implemented scheme:
ARM AHB APB
Normal 50 50 50 MHz
Max 200 100 50 MHz
Frequency scaling is disabled on rk27generic due to too
slow lcd updates when running with 50MHz AHB.
battery_bench shows ~1h runtime improvement on hifiman.
Change-Id: I2c6f8acf6d4570c4e14f5bcc72280b51ce13c408
Diffstat (limited to 'firmware/target/arm/rk27xx/system-target.h')
| -rw-r--r-- | firmware/target/arm/rk27xx/system-target.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/firmware/target/arm/rk27xx/system-target.h b/firmware/target/arm/rk27xx/system-target.h index 730686549d..8a705dd77a 100644 --- a/firmware/target/arm/rk27xx/system-target.h +++ b/firmware/target/arm/rk27xx/system-target.h | |||
| @@ -48,7 +48,8 @@ static inline void commit_dcache(void) {} | |||
| 48 | void commit_discard_dcache(void); | 48 | void commit_discard_dcache(void); |
| 49 | void commit_discard_idcache(void); | 49 | void commit_discard_idcache(void); |
| 50 | 50 | ||
| 51 | #define CPUFREQ_NORMAL 200000000 | 51 | #define CPUFREQ_DEFAULT 50000000 |
| 52 | #define CPUFREQ_MAX 200000000 | 52 | #define CPUFREQ_NORMAL 50000000 |
| 53 | #define CPUFREQ_MAX 200000000 | ||
| 53 | 54 | ||
| 54 | #endif /* SYSTEM_TARGET_H */ | 55 | #endif /* SYSTEM_TARGET_H */ |