diff options
| author | Jörg Hohensohn <hohensoh@rockbox.org> | 2004-03-13 11:44:48 +0000 |
|---|---|---|
| committer | Jörg Hohensohn <hohensoh@rockbox.org> | 2004-03-13 11:44:48 +0000 |
| commit | 4cee740afa540ce26babb92d26cbb5b524cc245a (patch) | |
| tree | 2db50cb6f3a82dc19cc44ba91271b1bdf1f84a79 /firmware | |
| parent | e8db003465b28f1ff344edaac90c19d6586b937d (diff) | |
| download | rockbox-4cee740afa540ce26babb92d26cbb5b524cc245a.tar.gz rockbox-4cee740afa540ce26babb92d26cbb5b524cc245a.zip | |
nice hint by Jens Arnold: using RAS Down Mode for the DRAM makes the box 10-15% faster
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4373 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/system.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/firmware/system.c b/firmware/system.c index cb0cb29778..cd2c5e34a0 100644 --- a/firmware/system.c +++ b/firmware/system.c | |||
| @@ -485,8 +485,8 @@ void system_init(void) | |||
| 485 | /* NMI level low, falling edge on all interrupts */ | 485 | /* NMI level low, falling edge on all interrupts */ |
| 486 | ICR = 0; | 486 | ICR = 0; |
| 487 | 487 | ||
| 488 | /* Enable burst mode on DRAM */ | 488 | /* Enable burst and RAS down mode on DRAM */ |
| 489 | DCR |= 0x1000; | 489 | DCR |= 0x5000; |
| 490 | 490 | ||
| 491 | /* Activate Warp mode (simultaneous internal and external mem access) */ | 491 | /* Activate Warp mode (simultaneous internal and external mem access) */ |
| 492 | BCR |= 0x2000; | 492 | BCR |= 0x2000; |