/* * Copyright (c) 2012, Freescale Semiconductor, Inc. * All rights reserved. * * 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. */ // File: uart4_iomux_config.c /* ------------------------------------------------------------------------------ * * This code was generated by a tool. * Runtime Version:3.4.0.0 * * Changes to this file may cause incorrect behavior and will be lost if * the code is regenerated. * * ------------------------------------------------------------------------------ */ #include "iomux_config.h" #include "registers/regsiomuxc.h" // Function to configure IOMUXC for uart4 module. void uart4_iomux_config(void) { // Config uart4.UART4_RX_DATA to pad KEY_ROW0(V6) // HW_IOMUXC_SW_MUX_CTL_PAD_KEY_ROW0_WR(0x00000004); // HW_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_WR(0x0001B0B0); // HW_IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT_WR(0x00000003); // Mux Register: // IOMUXC_SW_MUX_CTL_PAD_KEY_ROW0(0x020E0258) // SION [4] - Software Input On Field Reset: DISABLED // Force the selected mux mode Input path no matter of MUX_MODE functionality. // DISABLED (0) - Input Path is determined by functionality of the selected mux mode (regular). // ENABLED (1) - Force input path of pad. // MUX_MODE [2:0] - MUX Mode Select Field Reset: ALT5 // Select iomux modes to be used for pad. // ALT0 (0) - Select instance: ecspi1 signal: ECSPI1_MOSI // ALT1 (1) - Select instance: enet signal: ENET_TX_DATA3 // ALT2 (2) - Select instance: audmux signal: AUD5_TXD // ALT3 (3) - Select instance: kpp signal: KEY_ROW0 // ALT4 (4) - Select instance: uart4 signal: UART4_RX_DATA // ALT5 (5) - Select instance: gpio4 signal: GPIO4_IO07 // ALT6 (6) - Select instance: dcic2 signal: DCIC2_OUT HW_IOMUXC_SW_MUX_CTL_PAD_KEY_ROW0_WR( BF_IOMUXC_SW_MUX_CTL_PAD_KEY_ROW0_SION_V(DISABLED) | BF_IOMUXC_SW_MUX_CTL_PAD_KEY_ROW0_MUX_MODE_V(ALT4)); // Pad Control Register: // IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0(0x020E0640) // HYS [16] - Hysteresis Enable Field Reset: ENABLED // DISABLED (0) - CMOS input // ENABLED (1) - Schmitt trigger input // PUS [15:14] - Pull Up / Down Config. Field Reset: 100K_OHM_PU // 100K_OHM_PD (0) - 100K Ohm Pull Down // 47K_OHM_PU (1) - 47K Ohm Pull Up // 100K_OHM_PU (2) - 100K Ohm Pull Up // 22K_OHM_PU (3) - 22K Ohm Pull Up // PUE [13] - Pull / Keep Select Field Reset: PULL // KEEP (0) - Keeper Enabled // PULL (1) - Pull Enabled // PKE [12] - Pull / Keep Enable Field Reset: ENABLED // DISABLED (0) - Pull/Keeper Disabled // ENABLED (1) - Pull/Keeper Enabled // ODE [11] - Open Drain Enable Field Reset: DISABLED // Enables open drain of the pin. // DISABLED (0) - Output is CMOS. // ENABLED (1) - Output is Open Drain. // SPEED [7:6] - Speed Field Reset: 100MHZ // RESERVED0 (0) - Reserved // 50MHZ (1) - Low (50 MHz) // 100MHZ (2) - Medium (100 MHz) // 200MHZ (3) - Maximum (200 MHz) // DSE [5:3] - Drive Strength Field Reset: 40_OHM // HIZ (0) - HI-Z // 240_OHM (1) - 240 Ohm // 120_OHM (2) - 120 Ohm // 80_OHM (3) - 80 Ohm // 60_OHM (4) - 60 Ohm // 48_OHM (5) - 48 Ohm // 40_OHM (6) - 40 Ohm // 34_OHM (7) - 34 Ohm // SRE [0] - Slew Rate Field Reset: SLOW // Slew rate control. // SLOW (0) - Slow Slew Rate // FAST (1) - Fast Slew Rate HW_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_WR( BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_HYS_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_PUS_V(100K_OHM_PU) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_PUE_V(PULL) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_PKE_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_ODE_V(DISABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_SPEED_V(100MHZ) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_DSE_V(40_OHM) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_ROW0_SRE_V(SLOW)); // Pad KEY_ROW0 is involved in Daisy Chain. // Input Select Register: // IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT(0x020E0914) // DAISY [1:0] - MUX Mode Select Field Reset: CSI0_DATA12_ALT3 // Selecting Pads Involved in Daisy Chain. // CSI0_DATA12_ALT3 (0) - Select signal uart4 UART4_TX_DATA as input from pad CSI0_DATA12(ALT3). // CSI0_DATA13_ALT3 (1) - Select signal uart4 UART4_RX_DATA as input from pad CSI0_DATA13(ALT3). // KEY_COL0_ALT4 (2) - Select signal uart4 UART4_TX_DATA as input from pad KEY_COL0(ALT4). // KEY_ROW0_ALT4 (3) - Select signal uart4 UART4_RX_DATA as input from pad KEY_ROW0(ALT4). HW_IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT_WR( BF_IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT_DAISY_V(KEY_ROW0_ALT4)); // Config uart4.UART4_TX_DATA to pad KEY_COL0(W5) // HW_IOMUXC_SW_MUX_CTL_PAD_KEY_COL0_WR(0x00000004); // HW_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_WR(0x0001B0B0); // HW_IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT_WR(0x00000003); // Mux Register: // IOMUXC_SW_MUX_CTL_PAD_KEY_COL0(0x020E0244) // SION [4] - Software Input On Field Reset: DISABLED // Force the selected mux mode Input path no matter of MUX_MODE functionality. // DISABLED (0) - Input Path is determined by functionality of the selected mux mode (regular). // ENABLED (1) - Force input path of pad. // MUX_MODE [2:0] - MUX Mode Select Field Reset: ALT5 // Select iomux modes to be used for pad. // ALT0 (0) - Select instance: ecspi1 signal: ECSPI1_SCLK // ALT1 (1) - Select instance: enet signal: ENET_RX_DATA3 // ALT2 (2) - Select instance: audmux signal: AUD5_TXC // ALT3 (3) - Select instance: kpp signal: KEY_COL0 // ALT4 (4) - Select instance: uart4 signal: UART4_TX_DATA // ALT5 (5) - Select instance: gpio4 signal: GPIO4_IO06 // ALT6 (6) - Select instance: dcic1 signal: DCIC1_OUT HW_IOMUXC_SW_MUX_CTL_PAD_KEY_COL0_WR( BF_IOMUXC_SW_MUX_CTL_PAD_KEY_COL0_SION_V(DISABLED) | BF_IOMUXC_SW_MUX_CTL_PAD_KEY_COL0_MUX_MODE_V(ALT4)); // Pad Control Register: // IOMUXC_SW_PAD_CTL_PAD_KEY_COL0(0x020E062C) // HYS [16] - Hysteresis Enable Field Reset: ENABLED // DISABLED (0) - CMOS input // ENABLED (1) - Schmitt trigger input // PUS [15:14] - Pull Up / Down Config. Field Reset: 100K_OHM_PU // 100K_OHM_PD (0) - 100K Ohm Pull Down // 47K_OHM_PU (1) - 47K Ohm Pull Up // 100K_OHM_PU (2) - 100K Ohm Pull Up // 22K_OHM_PU (3) - 22K Ohm Pull Up // PUE [13] - Pull / Keep Select Field Reset: PULL // KEEP (0) - Keeper Enabled // PULL (1) - Pull Enabled // PKE [12] - Pull / Keep Enable Field Reset: ENABLED // DISABLED (0) - Pull/Keeper Disabled // ENABLED (1) - Pull/Keeper Enabled // ODE [11] - Open Drain Enable Field Reset: DISABLED // Enables open drain of the pin. // DISABLED (0) - Output is CMOS. // ENABLED (1) - Output is Open Drain. // SPEED [7:6] - Speed Field Reset: 100MHZ // RESERVED0 (0) - Reserved // 50MHZ (1) - Low (50 MHz) // 100MHZ (2) - Medium (100 MHz) // 200MHZ (3) - Maximum (200 MHz) // DSE [5:3] - Drive Strength Field Reset: 40_OHM // HIZ (0) - HI-Z // 240_OHM (1) - 240 Ohm // 120_OHM (2) - 120 Ohm // 80_OHM (3) - 80 Ohm // 60_OHM (4) - 60 Ohm // 48_OHM (5) - 48 Ohm // 40_OHM (6) - 40 Ohm // 34_OHM (7) - 34 Ohm // SRE [0] - Slew Rate Field Reset: SLOW // Slew rate control. // SLOW (0) - Slow Slew Rate // FAST (1) - Fast Slew Rate HW_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_WR( BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_HYS_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_PUS_V(100K_OHM_PU) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_PUE_V(PULL) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_PKE_V(ENABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_ODE_V(DISABLED) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_SPEED_V(100MHZ) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_DSE_V(40_OHM) | BF_IOMUXC_SW_PAD_CTL_PAD_KEY_COL0_SRE_V(SLOW)); // Pad KEY_COL0 is involved in Daisy Chain. // Input Select Register: // IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT(0x020E0914) // DAISY [1:0] - MUX Mode Select Field Reset: CSI0_DATA12_ALT3 // Selecting Pads Involved in Daisy Chain. // CSI0_DATA12_ALT3 (0) - Select signal uart4 UART4_TX_DATA as input from pad CSI0_DATA12(ALT3). // CSI0_DATA13_ALT3 (1) - Select signal uart4 UART4_RX_DATA as input from pad CSI0_DATA13(ALT3). // KEY_COL0_ALT4 (2) - Select signal uart4 UART4_TX_DATA as input from pad KEY_COL0(ALT4). // KEY_ROW0_ALT4 (3) - Select signal uart4 UART4_RX_DATA as input from pad KEY_ROW0(ALT4). HW_IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT_WR( BF_IOMUXC_UART4_UART_RX_DATA_SELECT_INPUT_DAISY_V(KEY_ROW0_ALT4)); }