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/*
* 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_ENET1_RGMII_TD2 = IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_TD2_MUX_MODE(3) | // SCL
IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_TD2_SION_MASK;
IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_TD3 = IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_TD3_MUX_MODE(3) | // SDA
IOMUXC_SW_MUX_CTL_PAD_ENET1_RGMII_TD3_SION_MASK;
IOMUXC_I2C4_SCL_SELECT_INPUT = IOMUXC_I2C4_SCL_SELECT_INPUT_DAISY(4);
IOMUXC_I2C4_SDA_SELECT_INPUT = IOMUXC_I2C4_SDA_SELECT_INPUT_DAISY(4);
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD2 = IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD2_PE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD2_PS(1) |
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD2_DSE(0) |
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD2_HYS_MASK;
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD3 = IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD3_PE_MASK |
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD3_PS(1) |
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD3_DSE(0) |
IOMUXC_SW_PAD_CTL_PAD_ENET1_RGMII_TD3_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(3); /* Select TX_PAD for RX data (DTE mode...) */
break;
default:
break;
}
}
void configure_ecspi_pins(ECSPI_Type* base)
{
// ECSPI1 iomux configuration
/* daisy chain selection */
IOMUXC_ECSPI3_MISO_SELECT_INPUT = 0; //(I2C1_SCL SODIM 90)
IOMUXC_ECSPI3_MOSI_SELECT_INPUT = 0; //(I2C1_SCL SODIM 90)
/* iomux */
IOMUXC_SW_MUX_CTL_PAD_I2C2_SCL = IOMUXC_SW_MUX_CTL_PAD_I2C2_SCL_MUX_MODE(3); /* ECSPI SLK */
IOMUXC_SW_MUX_CTL_PAD_I2C1_SDA = IOMUXC_SW_MUX_CTL_PAD_I2C1_SDA_MUX_MODE(3); /* ECSPI MOSI */
IOMUXC_SW_MUX_CTL_PAD_I2C1_SCL = IOMUXC_SW_MUX_CTL_PAD_I2C1_SCL_MUX_MODE(3); /* ECSPI MISO */
IOMUXC_SW_MUX_CTL_PAD_I2C2_SDA = IOMUXC_SW_MUX_CTL_PAD_I2C2_SDA_MUX_MODE(3); /* ECSPI SS0 */
/* pad control */
IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL = IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_PE_MASK |
IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_PS(0) | /* pull down */
IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_DSE(0) |
IOMUXC_SW_PAD_CTL_PAD_I2C2_SCL_HYS_MASK;
IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA = IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA_DSE(0) |
IOMUXC_SW_PAD_CTL_PAD_I2C1_SDA_HYS_MASK;
IOMUXC_SW_PAD_CTL_PAD_I2C1_SCL = IOMUXC_SW_PAD_CTL_PAD_I2C1_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) | /* pull up */
IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA_DSE(0) |
IOMUXC_SW_PAD_CTL_PAD_I2C2_SDA_HYS_MASK;
}
/*******************************************************************************
* EOF
******************************************************************************/
|
