From 8f1709f434e88546f556e8971312b8e2162dbca7 Mon Sep 17 00:00:00 2001 From: Michael Sparmann Date: Sat, 17 Oct 2009 22:32:46 +0000 Subject: Adjust iPod Nano 2G CPU speed to 192MHz, which measurements show it to be. Timers will be more accurate now. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23237 a1c6a512-1295-4272-9138-f99709370657 --- firmware/target/arm/s5l8700/kernel-s5l8700.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'firmware/target/arm/s5l8700') diff --git a/firmware/target/arm/s5l8700/kernel-s5l8700.c b/firmware/target/arm/s5l8700/kernel-s5l8700.c index 61466af970..b7028ebd1f 100644 --- a/firmware/target/arm/s5l8700/kernel-s5l8700.c +++ b/firmware/target/arm/s5l8700/kernel-s5l8700.c @@ -24,7 +24,7 @@ /* S5L8700 driver for the kernel timer - Timer B is configured as a 10 kHz timer (assuming PCLK = 100 MHz) + Timer B is configured as a 10 kHz timer (assuming PCLK = 48 MHz) */ void INT_TIMERB(void) @@ -37,14 +37,14 @@ void INT_TIMERB(void) void tick_start(unsigned int interval_in_ms) { - int cycles = 5 * interval_in_ms; + int cycles = 10 * interval_in_ms; /* enable timer clock */ PWRCON &= ~(1 << 4); /* configure timer for 10 kHz */ TBCMD = (1 << 1); /* TB_CLR */ - TBPRE = 625 - 1; /* prescaler */ + TBPRE = 300 - 1; /* prescaler */ TBCON = (0 << 13) | /* TB_INT1_EN */ (1 << 12) | /* TB_INT0_EN */ (0 << 11) | /* TB_START */ -- cgit v1.2.3