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authorLinus Nielsen Feltzing <linus@haxx.se>2005-08-11 19:00:55 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2005-08-11 19:00:55 +0000
commitdc4a6b828ea9a36e839747249dfdb085ced7af07 (patch)
treeb76a98aebe545a819f9d4fe9cdb0164ec51441bc /firmware/drivers
parent5a8eac1a5a7daa1f90af82e6d687e6c559a0d3e1 (diff)
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iriver: Moved the I2C prescaler setting to i2c_init(), and removed it from set_cpu_frequency(). The Coldfire I2C controller can't handle on-the-fly prescaler changes. Also removed the unnecessary slave address setting in i2c_init.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7304 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/drivers')
-rw-r--r--firmware/drivers/i2c-coldfire.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/firmware/drivers/i2c-coldfire.c b/firmware/drivers/i2c-coldfire.c
index 5b4f4a1..7883851 100644
--- a/firmware/drivers/i2c-coldfire.c
+++ b/firmware/drivers/i2c-coldfire.c
@@ -37,15 +37,17 @@ static volatile unsigned char *i2c_get_addr(int device);
void i2c_init(void)
{
+ /* I2C Clock divisor = 576 => 119.952 MHz / 2 / 576 = 104.125 kHz */
+ MFDR = 0x14;
+ MFDR2 = 0x14;
+
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
/* Audio Codec */
- MADR = 0x6c; /* iRiver firmware uses this addr */
MBDR = 0; /* iRiver firmware does this */
MBCR = IEN; /* Enable interface */
#if 0
/* FM Tuner */
- MADR2 = 0x6c;
MBDR2 = 0;
MBCR2 = IEN;
#endif