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author | Marcoen Hirschberg <marcoen@gmail.com> | 2007-02-08 10:21:37 +0000 |
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committer | Marcoen Hirschberg <marcoen@gmail.com> | 2007-02-08 10:21:37 +0000 |
commit | e645e2dcf2cc03c7e4c9a9d26ac93bbf82e8414b (patch) | |
tree | 616413a217662ee8f0f4c30c0c3ecd8785682829 /firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c | |
parent | 6dd8fbe25d5c91f7ba101b6c68c02c5c796cce1b (diff) | |
download | rockbox-e645e2dcf2cc03c7e4c9a9d26ac93bbf82e8414b.tar.gz rockbox-e645e2dcf2cc03c7e4c9a9d26ac93bbf82e8414b.zip |
Fix the delay loops. Without scaling the CPU is always at 300MHz.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12229 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c')
-rw-r--r-- | firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c b/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c index d4e061a0c7..f9cb35f884 100644 --- a/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c +++ b/firmware/target/arm/gigabeat/meg-fx/sc606-meg-fx.c | |||
@@ -30,9 +30,9 @@ | |||
30 | /* cycles delayed = 30 + 7 * loops */ | 30 | /* cycles delayed = 30 + 7 * loops */ |
31 | /* 100MHz = 10nS per cycle: LO:1300nS=130:14 HI:600nS=60:9 */ | 31 | /* 100MHz = 10nS per cycle: LO:1300nS=130:14 HI:600nS=60:9 */ |
32 | /* 300MHz = 3.36nS per cycle: LO:1300nS=387:51 HI:600nS=179:21 */ | 32 | /* 300MHz = 3.36nS per cycle: LO:1300nS=387:51 HI:600nS=179:21 */ |
33 | #define DELAY_LO do{int x;for(x=get_cpu_boost_counter()?51:14;x;x--);} while (0) | 33 | #define DELAY_LO do{int x;for(x=51;x;x--);} while (0) |
34 | #define DELAY do{int x;for(x=get_cpu_boost_counter()?35:10;x;x--);} while (0) | 34 | #define DELAY do{int x;for(x=35;x;x--);} while (0) |
35 | #define DELAY_HI do{int x;for(x=get_cpu_boost_counter()?21: 9;x;x--);} while (0) | 35 | #define DELAY_HI do{int x;for(x=21;x;x--);} while (0) |
36 | 36 | ||
37 | 37 | ||
38 | 38 | ||