From 170bb8eb78703bd6f2ae951e2292c89ae7565a29 Mon Sep 17 00:00:00 2001 From: Linus Nielsen Feltzing Date: Sun, 17 Jul 2005 15:59:32 +0000 Subject: iriver: Reduced LCD write cycle length to 65ns, almost halving the execution time for lcd_update, from 1.8ms to 1ms in 120MHz git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7181 a1c6a512-1295-4272-9138-f99709370657 --- firmware/system.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'firmware') diff --git a/firmware/system.c b/firmware/system.c index 1e42fab9e7..219ad976bc 100644 --- a/firmware/system.c +++ b/firmware/system.c @@ -521,7 +521,7 @@ void set_cpu_frequency(long frequency) PLLCR &= ~1; /* Bypass mode */ PLLCR = 0x11853005; CSCR0 = 0x00000980; /* Flash: 2 wait state */ - CSCR1 = 0x00002580; /* LCD: 9 wait states */ + CSCR1 = 0x00000980; /* LCD: 2 wait states */ while(!(PLLCR & 0x80000000)) {}; /* Wait until the PLL has locked. This may take up to 10ms! */ DCR = (DCR & ~0x01ff) | MAX_REFRESH_TIMER; /* Refresh timer */ @@ -540,7 +540,7 @@ void set_cpu_frequency(long frequency) PLLCR &= ~1; /* Bypass mode */ PLLCR = 0x10886001; CSCR0 = 0x00000180; /* Flash: 0 wait states */ - CSCR1 = 0x00000980; /* LCD: 2 wait states */ + CSCR1 = 0x00000180; /* LCD: 0 wait states */ while(!(PLLCR & 0x80000000)) {}; /* Wait until the PLL has locked. This may take up to 10ms! */ DCR = (DCR & ~0x01ff) | NORMAL_REFRESH_TIMER; /* Refresh timer */ -- cgit v1.2.3