diff options
Diffstat (limited to 'firmware/target')
-rw-r--r-- | firmware/target/arm/rk27xx/system-rk27xx.c | 16 | ||||
-rw-r--r-- | firmware/target/arm/rk27xx/system-target.h | 4 |
2 files changed, 20 insertions, 0 deletions
diff --git a/firmware/target/arm/rk27xx/system-rk27xx.c b/firmware/target/arm/rk27xx/system-rk27xx.c index 724273b61a..1459770b94 100644 --- a/firmware/target/arm/rk27xx/system-rk27xx.c +++ b/firmware/target/arm/rk27xx/system-rk27xx.c | |||
@@ -163,3 +163,19 @@ void udelay(unsigned usecs) | |||
163 | ); | 163 | ); |
164 | } | 164 | } |
165 | 165 | ||
166 | void cpucache_commit_discard(void) | ||
167 | { | ||
168 | /* invalidate cache way 0 */ | ||
169 | CACHEOP = 0x02; | ||
170 | |||
171 | /* wait for invalidate process to complete */ | ||
172 | while (CACHEOP & 0x01); | ||
173 | |||
174 | /* invalidate cache way 1 */ | ||
175 | CACHEOP = 0x80000002; | ||
176 | |||
177 | /* wait for invalidate process to complete */ | ||
178 | while (CACHEOP & 0x01); | ||
179 | } | ||
180 | |||
181 | void cpucache_invalidate(void) __attribute__((alias("cpucache_commit_discard"))); | ||
diff --git a/firmware/target/arm/rk27xx/system-target.h b/firmware/target/arm/rk27xx/system-target.h index fb904091b1..7fcf470ced 100644 --- a/firmware/target/arm/rk27xx/system-target.h +++ b/firmware/target/arm/rk27xx/system-target.h | |||
@@ -38,6 +38,10 @@ static inline void core_sleep(void) | |||
38 | SCU_CPUPD = 0xdeedbabe; | 38 | SCU_CPUPD = 0xdeedbabe; |
39 | } | 39 | } |
40 | 40 | ||
41 | #define HAVE_CPUCACHE_COMMIT_DISCARD | ||
42 | /* deprecated alias */ | ||
43 | #define HAVE_CPUCACHE_INVALIDATE | ||
44 | |||
41 | #define CPUFREQ_NORMAL 200000000 | 45 | #define CPUFREQ_NORMAL 200000000 |
42 | #define CPUFREQ_MAX 200000000 | 46 | #define CPUFREQ_MAX 200000000 |
43 | 47 | ||