1 /*
2  * Copyright (c) 2012, Freescale Semiconductor, Inc.
3  * All rights reserved.
4  *
5  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
6  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
7  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
8  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
9  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
10  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
11  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
12  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
13  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
14  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
15  */
16 
17 // File: gpio6_iomux_config.c
18 
19 /* ------------------------------------------------------------------------------
20  * <auto-generated>
21  *     This code was generated by a tool.
22  *     Runtime Version:3.4.0.0
23  *
24  *     Changes to this file may cause incorrect behavior and will be lost if
25  *     the code is regenerated.
26  * </auto-generated>
27  * ------------------------------------------------------------------------------
28 */
29 
30 #include "iomux_config.h"
31 #include "registers/regsiomuxc.h"
32 
33 // Function to configure IOMUXC for gpio6 module.
gpio6_iomux_config(void)34 void gpio6_iomux_config(void)
35 {
36     // Config gpio6.GPIO6_IO15 to pad NAND_CS2_B(A17)
37     // SDa_CD_B
38     // HW_IOMUXC_SW_MUX_CTL_PAD_NAND_CS2_B_WR(0x00000005);
39     // HW_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_WR(0x0001B0B0);
40     // Mux Register:
41     // IOMUXC_SW_MUX_CTL_PAD_NAND_CS2_B(0x020E027C)
42     //   SION [4] - Software Input On Field Reset: DISABLED
43     //              Force the selected mux mode Input path no matter of MUX_MODE functionality.
44     //     DISABLED (0) - Input Path is determined by functionality of the selected mux mode (regular).
45     //     ENABLED (1) - Force input path of pad.
46     //   MUX_MODE [3:0] - MUX Mode Select Field Reset: ALT5
47     //                    Select iomux modes to be used for pad.
48     //     ALT0 (0) - Select instance: gpmi signal: NAND_CE2_B
49     //     ALT1 (1) - Select instance: ipu1 signal: IPU1_SISG0
50     //     ALT2 (2) - Select instance: esai signal: ESAI_TX0
51     //     ALT3 (3) - Select instance: eim signal: EIM_CRE
52     //     ALT4 (4) - Select instance: ccm signal: CCM_CLKO2
53     //     ALT5 (5) - Select instance: gpio6 signal: GPIO6_IO15
54     HW_IOMUXC_SW_MUX_CTL_PAD_NAND_CS2_B_WR(
55             BF_IOMUXC_SW_MUX_CTL_PAD_NAND_CS2_B_SION_V(DISABLED) |
56             BF_IOMUXC_SW_MUX_CTL_PAD_NAND_CS2_B_MUX_MODE_V(ALT5));
57     // Pad Control Register:
58     // IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B(0x020E0664)
59     //   HYS [16] - Hysteresis Enable Field Reset: ENABLED
60     //     DISABLED (0) - CMOS input
61     //     ENABLED (1) - Schmitt trigger input
62     //   PUS [15:14] - Pull Up / Down Config. Field Reset: 100K_OHM_PU
63     //     100K_OHM_PD (0) - 100K Ohm Pull Down
64     //     47K_OHM_PU (1) - 47K Ohm Pull Up
65     //     100K_OHM_PU (2) - 100K Ohm Pull Up
66     //     22K_OHM_PU (3) - 22K Ohm Pull Up
67     //   PUE [13] - Pull / Keep Select Field Reset: PULL
68     //     KEEP (0) - Keeper Enabled
69     //     PULL (1) - Pull Enabled
70     //   PKE [12] - Pull / Keep Enable Field Reset: ENABLED
71     //     DISABLED (0) - Pull/Keeper Disabled
72     //     ENABLED (1) - Pull/Keeper Enabled
73     //   ODE [11] - Open Drain Enable Field Reset: DISABLED
74     //              Enables open drain of the pin.
75     //     DISABLED (0) - Output is CMOS.
76     //     ENABLED (1) - Output is Open Drain.
77     //   SPEED [7:6] - Speed Field Reset: 100MHZ
78     //     RESERVED0 (0) - Reserved
79     //     50MHZ (1) - Low (50 MHz)
80     //     100MHZ (2) - Medium (100 MHz)
81     //     200MHZ (3) - Maximum (200 MHz)
82     //   DSE [5:3] - Drive Strength Field Reset: 40_OHM
83     //     HIZ (0) - HI-Z
84     //     240_OHM (1) - 240 Ohm
85     //     120_OHM (2) - 120 Ohm
86     //     80_OHM (3) - 80 Ohm
87     //     60_OHM (4) - 60 Ohm
88     //     48_OHM (5) - 48 Ohm
89     //     40_OHM (6) - 40 Ohm
90     //     34_OHM (7) - 34 Ohm
91     //   SRE [0] - Slew Rate Field Reset: SLOW
92     //             Slew rate control.
93     //     SLOW (0) - Slow Slew Rate
94     //     FAST (1) - Fast Slew Rate
95     HW_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_WR(
96             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_HYS_V(ENABLED) |
97             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_PUS_V(100K_OHM_PU) |
98             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_PUE_V(PULL) |
99             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_PKE_V(ENABLED) |
100             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_ODE_V(DISABLED) |
101             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_SPEED_V(100MHZ) |
102             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_DSE_V(40_OHM) |
103             BF_IOMUXC_SW_PAD_CTL_PAD_NAND_CS2_B_SRE_V(SLOW));
104 
105     // Config gpio6.GPIO6_IO31 to pad EIM_BCLK(N22)
106     // ACCEL_INT1_B (or ACCEL_INT2_B pop option)
107     // HW_IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK_WR(0x00000005);
108     // HW_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_WR(0x0000B0B1);
109     // Mux Register:
110     // IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK(0x020E0138)
111     //   SION [4] - Software Input On Field Reset: DISABLED
112     //              Force the selected mux mode Input path no matter of MUX_MODE functionality.
113     //     DISABLED (0) - Input Path is determined by functionality of the selected mux mode (regular).
114     //     ENABLED (1) - Force input path of pad.
115     //   MUX_MODE [3:0] - MUX Mode Select Field Reset: ALT0
116     //                    Select iomux modes to be used for pad.
117     //     ALT0 (0) - Select instance: eim signal: EIM_BCLK
118     //     ALT1 (1) - Select instance: ipu1 signal: IPU1_DI1_PIN16
119     //     ALT5 (5) - Select instance: gpio6 signal: GPIO6_IO31
120     //     ALT8 (8) - Select instance: epdc signal: EPDC_SDCE9
121     HW_IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK_WR(
122             BF_IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK_SION_V(DISABLED) |
123             BF_IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK_MUX_MODE_V(ALT5));
124     // Pad Control Register:
125     // IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK(0x020E0508)
126     //   HYS [16] - Hysteresis Enable Field Reset: DISABLED
127     //     DISABLED (0) - CMOS input
128     //     ENABLED (1) - Schmitt trigger input
129     //   PUS [15:14] - Pull Up / Down Config. Field Reset: 100K_OHM_PU
130     //     100K_OHM_PD (0) - 100K Ohm Pull Down
131     //     47K_OHM_PU (1) - 47K Ohm Pull Up
132     //     100K_OHM_PU (2) - 100K Ohm Pull Up
133     //     22K_OHM_PU (3) - 22K Ohm Pull Up
134     //   PUE [13] - Pull / Keep Select Field Reset: PULL
135     //     KEEP (0) - Keeper Enabled
136     //     PULL (1) - Pull Enabled
137     //   PKE [12] - Pull / Keep Enable Field Reset: ENABLED
138     //     DISABLED (0) - Pull/Keeper Disabled
139     //     ENABLED (1) - Pull/Keeper Enabled
140     //   ODE [11] - Open Drain Enable Field Reset: DISABLED
141     //              Enables open drain of the pin.
142     //     DISABLED (0) - Output is CMOS.
143     //     ENABLED (1) - Output is Open Drain.
144     //   SPEED [7:6] - Speed Field Reset: 100MHZ
145     //     RESERVED0 (0) - Reserved
146     //     50MHZ (1) - Low (50 MHz)
147     //     100MHZ (2) - Medium (100 MHz)
148     //     200MHZ (3) - Maximum (200 MHz)
149     //   DSE [5:3] - Drive Strength Field Reset: 40_OHM
150     //     HIZ (0) - HI-Z
151     //     240_OHM (1) - 240 Ohm
152     //     120_OHM (2) - 120 Ohm
153     //     80_OHM (3) - 80 Ohm
154     //     60_OHM (4) - 60 Ohm
155     //     48_OHM (5) - 48 Ohm
156     //     40_OHM (6) - 40 Ohm
157     //     34_OHM (7) - 34 Ohm
158     //   SRE [0] - Slew Rate Field Reset: FAST
159     //             Slew rate control.
160     //     SLOW (0) - Slow Slew Rate
161     //     FAST (1) - Fast Slew Rate
162     HW_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_WR(
163             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_HYS_V(DISABLED) |
164             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_PUS_V(100K_OHM_PU) |
165             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_PUE_V(PULL) |
166             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_PKE_V(ENABLED) |
167             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_ODE_V(DISABLED) |
168             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_SPEED_V(100MHZ) |
169             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_DSE_V(40_OHM) |
170             BF_IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK_SRE_V(FAST));
171 }
172