static void SetupI2C(void)
{
I2C0_BASE = vmm_find_iomap("SOC_I2C_0_REGS");
/* Enable the clock for I2C0 */
I2C0ModuleClkConfig();
I2CPinMuxSetup(0);
/* Put i2c in reset/disabled state */
I2CMasterDisable(I2C0_BASE);
/* Disable auto Idle functionality */
I2CAutoIdleDisable(I2C0_BASE);
/* Configure i2c bus speed to 100khz */
I2CMasterInitExpClk(I2C0_BASE, 48000000, 12000000, 100000);
/* Set i2c slave address */
I2CMasterSlaveAddrSet(I2C0_BASE, I2C_SLAVE_ADDR);
/* Bring I2C out of reset */
I2CMasterEnable(I2C0_BASE);
}
/**
* \brief Initializes the I2C interface for a codec
*
* \param baseAddr Base Address of the I2C Module Registers which
* is used for the codec
* slaveAddr Slave Address of the codec
*
* Note: This API enables the system interrupt for the given I2C module only.
* It does not do any pin multiplexing or global interrupt enabling.
* This shall be called only after AINTC initialization.
*
* \return None.
*
**/
void I2CCodecIfInit(unsigned int baseAddr, unsigned int slaveAddr)
{
/* Put i2c in reset/disabled state */
I2CMasterDisable(baseAddr);
/* Disable the auto idle functionality */
I2CAutoIdleDisable(baseAddr);
/* Configure i2c bus speed to 100khz */
I2CMasterInitExpClk(SOC_I2C_1_REGS, 48000000, 12000000, 100000);
/* Set i2c slave address */
I2CMasterSlaveAddrSet(baseAddr, slaveAddr);
I2CMasterEnable(baseAddr);
IntRegister(SYS_INT_I2C1INT, I2CCodecIsr);
IntPrioritySet(SYS_INT_I2C1INT, 0, AINTC_HOSTINT_ROUTE_IRQ);
IntSystemEnable(SYS_INT_I2C1INT);
}
