/* * Copyright (c) 2015, Freescale Semiconductor, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * o Neither the name of Freescale Semiconductor, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /*! ** @addtogroup pin_mux_module pin_mux module documentation ** @{ */ /* MODULE pin_mux. */ #include "device_imx.h" #include "pin_mux.h" void configure_flexcan_pins(CAN_Type* base) { volatile GPIO_MemMapPtr gpio2_pdir; void *addr; switch((uint32_t)base) { case CAN1_BASE: /*CAN 1 is not used in SDB Board*/ break; case CAN2_BASE: // CAN2_STB DRIVE LOW /* R431 Connected */ /* R435 not Connected */ /* SDDO14 is floated (EPDC Expansion Slot J13)*/ IOMUXC_SW_MUX_CTL_PAD_EPDC_DATA14 = IOMUXC_SW_MUX_CTL_PAD_EPDC_DATA14_MUX_MODE(5); // GPIO2[14] IOMUXC_SW_PAD_CTL_PAD_EPDC_DATA14 = IOMUXC_SW_PAD_CTL_PAD_EPDC_DATA14_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_EPDC_DATA14_PS(3) | IOMUXC_SW_PAD_CTL_PAD_EPDC_DATA14_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_EPDC_DATA14_HYS_MASK; addr = (void *) GPIO2_BASE_PTR; gpio2_pdir = addr; gpio2_pdir->GDIR |= 0x00004000; gpio2_pdir->DR &= ~(0x00004000); // CAN2_TX IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO15 = IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO15_MUX_MODE(3); IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO15 = IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO15_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO15_PS(3) | IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO15_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO15_HYS_MASK; // CAN2_RX IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO14 = IOMUXC_SW_MUX_CTL_PAD_GPIO1_IO14_MUX_MODE(3); IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO14 = IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO14_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO14_PS(3) | IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO14_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_GPIO1_IO14_HYS_MASK; break; } } void configure_i2c_pins(I2C_Type* base) { switch((uint32_t)base) { case I2C1_BASE: // I2C1 iomux configuration IOMUXC_SW_MUX_CTL_PAD_I2C1_SCL = IOMUXC_SW_MUX_CTL_PAD_I2C1_SCL_MUX_MODE(0) | IOMUXC_SW_MUX_CTL_PAD_I2C1_SCL_SION_MASK; IOMUXC_SW_MUX_CTL_PAD_I2C1_SDA = IOMUXC_SW_MUX_CTL_PAD_I2C1_SDA_MUX_MODE(0) | IOMUXC_SW_MUX_CTL_PAD_I2C1_SDA_SION_MASK; IOMUXC_I2C1_SCL_SELECT_INPUT = IOMUXC_I2C1_SCL_SELECT_INPUT_DAISY(1); IOMUXC_I2C1_SDA_SELECT_INPUT = IOMUXC_I2C1_SDA_SELECT_INPUT_DAISY(1); IOMUXC_SW_PAD_CTL_PAD_I2C1_SCL = IOMUXC_SW_PAD_CTL_PAD_I2C1_SCL_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_I2C1_SCL_PS(3) | IOMUXC_SW_PAD_CTL_PAD_I2C1_SCL_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_I2C1_SCL_HYS_MASK; IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA = IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA_PS(3) | IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA_HYS_MASK; break; case I2C2_BASE: // I2C2 iomux configuration IOMUXC_SW_MUX_CTL_PAD_I2C2_SCL = IOMUXC_SW_MUX_CTL_PAD_I2C2_SCL_MUX_MODE(0) | IOMUXC_SW_MUX_CTL_PAD_I2C2_SCL_SION_MASK; IOMUXC_SW_MUX_CTL_PAD_I2C2_SDA = IOMUXC_SW_MUX_CTL_PAD_I2C2_SDA_MUX_MODE(0) | IOMUXC_SW_MUX_CTL_PAD_I2C2_SDA_SION_MASK; IOMUXC_I2C2_SCL_SELECT_INPUT = IOMUXC_I2C2_SCL_SELECT_INPUT_DAISY(1); IOMUXC_I2C2_SDA_SELECT_INPUT = IOMUXC_I2C2_SDA_SELECT_INPUT_DAISY(1); IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL = IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_PS(3) | IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_HYS_MASK; IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA = IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA_PS(3) | IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA_HYS_MASK; break; case I2C3_BASE: // I2C3 iomux configuration IOMUXC_SW_MUX_CTL_PAD_I2C3_SCL = IOMUXC_SW_MUX_CTL_PAD_I2C3_SCL_MUX_MODE(0) | IOMUXC_SW_MUX_CTL_PAD_I2C3_SCL_SION_MASK; IOMUXC_SW_MUX_CTL_PAD_I2C3_SDA = IOMUXC_SW_MUX_CTL_PAD_I2C3_SDA_MUX_MODE(0) | IOMUXC_SW_MUX_CTL_PAD_I2C3_SDA_SION_MASK; IOMUXC_I2C3_SCL_SELECT_INPUT = IOMUXC_I2C3_SCL_SELECT_INPUT_DAISY(2); IOMUXC_I2C3_SDA_SELECT_INPUT = IOMUXC_I2C3_SDA_SELECT_INPUT_DAISY(2); IOMUXC_SW_PAD_CTL_PAD_I2C3_SCL = IOMUXC_SW_PAD_CTL_PAD_I2C3_SCL_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_I2C3_SCL_PS(3) | IOMUXC_SW_PAD_CTL_PAD_I2C3_SCL_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_I2C3_SCL_HYS_MASK; IOMUXC_SW_PAD_CTL_PAD_I2C3_SDA = IOMUXC_SW_PAD_CTL_PAD_I2C3_SDA_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_I2C3_SDA_PS(3) | IOMUXC_SW_PAD_CTL_PAD_I2C3_SDA_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_I2C3_SDA_HYS_MASK; break; case I2C4_BASE: // I2C4 iomux configuration IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_SYNC = IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_SYNC_MUX_MODE(3) | IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_SYNC_SION_MASK; IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_BCLK = IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_BCLK_MUX_MODE(3) | IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_BCLK_SION_MASK; IOMUXC_I2C4_SCL_SELECT_INPUT = IOMUXC_I2C4_SCL_SELECT_INPUT_DAISY(3); IOMUXC_I2C4_SDA_SELECT_INPUT = IOMUXC_I2C4_SDA_SELECT_INPUT_DAISY(3); IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_SYNC = IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_SYNC_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_SYNC_PS(3) | IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_SYNC_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_SYNC_HYS_MASK; IOMUXC_SW_MUX_CTL_PAD_SAI1_RX_BCLK = IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_BCLK_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_BCLK_PS(3) | IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_BCLK_DSE(0) | IOMUXC_SW_PAD_CTL_PAD_SAI1_RX_BCLK_HYS_MASK; break; default: break; } } void configure_uart_pins(UART_Type* base) { switch((uint32_t)base) { case UART2_BASE: // UART2 iomux configuration IOMUXC_SW_MUX_CTL_PAD_UART2_RX_DATA = IOMUXC_SW_MUX_CTL_PAD_UART2_RX_DATA_MUX_MODE(0); IOMUXC_SW_MUX_CTL_PAD_UART2_TX_DATA = IOMUXC_SW_MUX_CTL_PAD_UART2_TX_DATA_MUX_MODE(0); IOMUXC_SW_PAD_CTL_PAD_UART2_RX_DATA = IOMUXC_SW_PAD_CTL_PAD_UART2_RX_DATA_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_UART2_RX_DATA_PS(3) | IOMUXC_SW_PAD_CTL_PAD_UART2_RX_DATA_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_UART2_RX_DATA_DSE(0); IOMUXC_SW_PAD_CTL_PAD_UART2_TX_DATA = IOMUXC_SW_PAD_CTL_PAD_UART2_TX_DATA_PE_MASK | IOMUXC_SW_PAD_CTL_PAD_UART2_TX_DATA_PS(3) | IOMUXC_SW_PAD_CTL_PAD_UART2_RX_DATA_HYS_MASK | IOMUXC_SW_PAD_CTL_PAD_UART2_TX_DATA_DSE(0); IOMUXC_UART2_RX_DATA_SELECT_INPUT = IOMUXC_UART2_RX_DATA_SELECT_INPUT_DAISY(2); break; default: break; } } /******************************************************************************* * EOF ******************************************************************************/