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{
uint32 rwData;
i2c_lprint(PRINT_L1, "==========BEGIN %s==========n", __FUNCTION__);
if (vdc_i2c_ctrl.i2c_port == 0)
{
vdc_i2c_cfg_clk_rst_pmpro();
}
else if (vdc_i2c_ctrl.i2c_port == 1)
{
vdc_i2c_cfg_clk_rst_slimpro();
}
else if( (vdc_i2c_ctrl.i2c_port >= 2) && (vdc_i2c_ctrl.i2c_port <= 4) )
{
vdc_i2c_cfg_clk_rst_sb_shcb();
}
// i2c_lprint(PRINT_L3, "Disable I2C n");
vdc_i2c_reg_wr(I2C_ENABLE_ADDR, 0x0);
vdc_i2c_reg_rd_print("I2C_ENABLE",I2C_ENABLE_ADDR, &rwData);
// i2c_lprint(PRINT_L3, "Disable all interrupt n");
vdc_i2c_reg_wr(I2C_INTR_MASK_ADDR, 0x0);
vdc_i2c_reg_rd_print("I2C_INTR_MASK",I2C_INTR_MASK_ADDR, &rwData);
i2c_lprint(PRINT_L3, "Set speed for I2C n");
rwData = (vdc_i2c_ctrl.i2c_core_clk / vdc_i2c_ctrl.i2c_speed) / 2;
if(vdc_i2c_ctrl.i2c_speed_mode == I2C_SPEED_MODE_STANDARD)
{
// vdc_i2c_debug();
// rwData = (vdc_i2c_ctrl.i2c_core_clk / vdc_i2c_ctrl.i2c_speed) / 2;
vdc_i2c_reg_wr( I2C_SS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()) );
vdc_i2c_reg_wr( I2C_SS_SCL_LCNT_ADDR, (rwData - 1));
vdc_i2c_reg_wr( I2C_FS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()) );
vdc_i2c_reg_wr( I2C_FS_SCL_LCNT_ADDR, (rwData - 1));
if(vdc_i2c_ctrl.i2c_addr_mode == I2C_ADDRESSING_7BIT)
vdc_i2c_reg_wr( I2C_CON_ADDR, 0x63);
else
vdc_i2c_reg_wr( I2C_CON_ADDR, 0x53);
}
else if(vdc_i2c_ctrl.i2c_speed_mode == I2C_SPEED_MODE_FAST)
{
// rwData = (vdc_i2c_ctrl.i2c_core_clk / vdc_i2c_ctrl.i2c_speed) / 2;
vdc_i2c_reg_wr( I2C_SS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()-20) );
vdc_i2c_reg_wr( I2C_SS_SCL_LCNT_ADDR, (rwData - 1+20));
vdc_i2c_reg_wr( I2C_FS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()-20) );
vdc_i2c_reg_wr( I2C_FS_SCL_LCNT_ADDR, (rwData - 1+20));
if(vdc_i2c_ctrl.i2c_addr_mode == I2C_ADDRESSING_7BIT)
vdc_i2c_reg_wr( I2C_CON_ADDR, 0x65);
// vdc_i2c_reg_wr( I2C_CON_ADDR, 0x45);
else
vdc_i2c_reg_wr( I2C_CON_ADDR, 0x55);
}
else if(vdc_i2c_ctrl.i2c_speed_mode == I2C_SPEED_MODE_PLUS)
{
// rwData = (vdc_i2c_ctrl.i2c_core_clk / vdc_i2c_ctrl.i2c_speed) / 2;
vdc_i2c_reg_wr( I2C_SS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()) );
vdc_i2c_reg_wr( I2C_SS_SCL_LCNT_ADDR, (rwData - 1));
vdc_i2c_reg_wr( I2C_FS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()) );
vdc_i2c_reg_wr( I2C_FS_SCL_LCNT_ADDR, (rwData - 1));
if(vdc_i2c_ctrl.i2c_addr_mode == I2C_ADDRESSING_7BIT)
// if(vdc_i2c_ctrl.i2c_port == I2C_I2C1)
vdc_i2c_reg_wr( I2C_CON_ADDR, 0x45);
// else
// vdc_i2c_reg_wr( I2C_CON_ADDR, 0x65);
else
vdc_i2c_reg_wr( I2C_CON_ADDR, 0x55);
}
else //Reserved
{
vdc_i2c_reg_wr( I2C_SS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()) );
vdc_i2c_reg_wr( I2C_SS_SCL_LCNT_ADDR, (rwData - 1));
vdc_i2c_reg_wr( I2C_FS_SCL_HCNT_ADDR, (rwData - 6 - vdc_i2c_get_fs_spklen_reg()) );
vdc_i2c_reg_wr( I2C_FS_SCL_LCNT_ADDR, (rwData - 1));
}
//Configured target address , salve address
vdc_i2c_reg_wr( I2C_TAR_ADDR, vdc_i2c_ctrl.i2c_tar_addr);
vdc_i2c_reg_wr( I2C_SAR_ADDR, vdc_i2c_ctrl.i2c_slv_addr);
vdc_i2c_reg_wr( I2C_RX_TL_ADDR, 0xFF);
vdc_i2c_reg_wr( I2C_TX_TL_ADDR, 0xFF);
vdc_i2c_reg_wr( I2C_SAR_ADDR, vdc_i2c_ctrl.i2c_slv_addr);
vdc_i2c_reg_wr( I2C_SDA_HOLD_ADDR, 1);
// i2c_lprint(PRINT_L3, "Enable I2C n");
vdc_i2c_reg_wr( I2C_ENABLE_ADDR, 0x1);
vdc_i2c_reg_rd_print("I2C_ENABLE",I2C_ENABLE_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_INTR_MASK",I2C_INTR_MASK_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_SS_SCL_HCNT",I2C_SS_SCL_HCNT_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_SS_SCL_LCNT",I2C_SS_SCL_LCNT_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_FS_SCL_HCNT",I2C_FS_SCL_HCNT_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_FS_SCL_LCNT",I2C_FS_SCL_LCNT_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_CON",I2C_CON_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_TAR",I2C_TAR_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_SAR",I2C_SAR_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_RX_TL", I2C_RX_TL_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_TX_TL", I2C_TX_TL_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_SDA_HOLD",I2C_SDA_HOLD_ADDR, &rwData);
vdc_i2c_reg_rd_print("I2C_ENABLE",I2C_ENABLE_ADDR, &rwData);
_delay_for(100);
i2c_lprint(PRINT_L1, "==========END %s==========n", __FUNCTION__);
return RET_OK;
}
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