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authorJörg Hohensohn <hohensoh@rockbox.org>2004-03-13 11:44:48 +0000
committerJörg Hohensohn <hohensoh@rockbox.org>2004-03-13 11:44:48 +0000
commit4cee740afa540ce26babb92d26cbb5b524cc245a (patch)
tree2db50cb6f3a82dc19cc44ba91271b1bdf1f84a79 /firmware
parente8db003465b28f1ff344edaac90c19d6586b937d (diff)
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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.c4
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)
/* NMI level low, falling edge on all interrupts */
ICR = 0;
- /* Enable burst mode on DRAM */
- DCR |= 0x1000;
+ /* Enable burst and RAS down mode on DRAM */
+ DCR |= 0x5000;
/* Activate Warp mode (simultaneous internal and external mem access) */
BCR |= 0x2000;