blackfin: the sclk MHz in i2c driver should be divided by 1000 other than 1024

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
This commit is contained in:
Sonic Zhang 2014-01-28 13:53:33 +08:00 committed by Heiko Schocher
parent 18948632a9
commit bb0fad0ea0

View File

@ -274,7 +274,7 @@ unsigned int i2c_get_bus_speed(void)
*/
void i2c_init(int speed, int slaveaddr)
{
uint8_t prescale = ((get_sclk() / 1024 / 1024 + 5) / 10) & 0x7F;
uint8_t prescale = ((get_sclk() / 1000 / 1000 + 5) / 10) & 0x7F;
/* Set TWI internal clock as 10MHz */
twi->control = prescale;