2 * Joshua Henderson <joshua.henderson@microchip.com>
3 * Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 #include "early_pin.h"
18 #define PPS_BASE 0x1f800000
20 /* Input PPS Registers */
69 #define REFCLKI1R 0x14E8
70 #define REFCLKI3R 0x14F0
71 #define REFCLKI4R 0x14F4
78 { IN_FUNC_INT3, INT3R },
79 { IN_FUNC_T2CK, T2CKR },
80 { IN_FUNC_T6CK, T6CKR },
81 { IN_FUNC_IC3, IC3R },
82 { IN_FUNC_IC7, IC7R },
83 { IN_FUNC_U1RX, U1RXR },
84 { IN_FUNC_U2CTS, U2CTSR },
85 { IN_FUNC_U5RX, U5RXR },
86 { IN_FUNC_U6CTS, U6CTSR },
87 { IN_FUNC_SDI1, SDI1R },
88 { IN_FUNC_SDI3, SDI3R },
89 { IN_FUNC_SDI5, SDI5R },
90 { IN_FUNC_SS6, SS6R },
91 { IN_FUNC_REFCLKI1, REFCLKI1R },
92 { IN_FUNC_INT4, INT4R },
93 { IN_FUNC_T5CK, T5CKR },
94 { IN_FUNC_T7CK, T7CKR },
95 { IN_FUNC_IC4, IC4R },
96 { IN_FUNC_IC8, IC8R },
97 { IN_FUNC_U3RX, U3RXR },
98 { IN_FUNC_U4CTS, U4CTSR },
99 { IN_FUNC_SDI2, SDI2R },
100 { IN_FUNC_SDI4, SDI4R },
101 { IN_FUNC_C1RX, C1RXR },
102 { IN_FUNC_REFCLKI4, REFCLKI4R },
103 { IN_FUNC_INT2, INT2R },
104 { IN_FUNC_T3CK, T3CKR },
105 { IN_FUNC_T8CK, T8CKR },
106 { IN_FUNC_IC2, IC2R },
107 { IN_FUNC_IC5, IC5R },
108 { IN_FUNC_IC9, IC9R },
109 { IN_FUNC_U1CTS, U1CTSR },
110 { IN_FUNC_U2RX, U2RXR },
111 { IN_FUNC_U5CTS, U5CTSR },
112 { IN_FUNC_SS1, SS1R },
113 { IN_FUNC_SS3, SS3R },
114 { IN_FUNC_SS4, SS4R },
115 { IN_FUNC_SS5, SS5R },
116 { IN_FUNC_C2RX, C2RXR },
117 { IN_FUNC_INT1, INT1R },
118 { IN_FUNC_T4CK, T4CKR },
119 { IN_FUNC_T9CK, T9CKR },
120 { IN_FUNC_IC1, IC1R },
121 { IN_FUNC_IC6, IC6R },
122 { IN_FUNC_U3CTS, U3CTSR },
123 { IN_FUNC_U4RX, U4RXR },
124 { IN_FUNC_U6RX, U6RXR },
125 { IN_FUNC_SS2, SS2R },
126 { IN_FUNC_SDI6, SDI6R },
127 { IN_FUNC_OCFA, OCFAR },
128 { IN_FUNC_REFCLKI3, REFCLKI3R },
131 void pic32_pps_input(int function, int pin)
133 void __iomem *pps_base = ioremap_nocache(PPS_BASE, 0xF4);
136 for (i = 0; i < ARRAY_SIZE(input_pin_reg); i++) {
137 if (input_pin_reg[i].function == function) {
138 __raw_writel(pin, pps_base + input_pin_reg[i].reg);
146 /* Output PPS Registers */
147 #define RPA14R 0x1538
148 #define RPA15R 0x153C
158 #define RPB10R 0x1568
159 #define RPB14R 0x1578
160 #define RPB15R 0x157C
165 #define RPC13R 0x15B4
166 #define RPC14R 0x15B8
176 #define RPD10R 0x15E8
177 #define RPD11R 0x15EC
178 #define RPD12R 0x15F0
179 #define RPD14R 0x15F8
180 #define RPD15R 0x15FC
192 #define RPF12R 0x1670
193 #define RPF13R 0x1674
205 } output_pin_reg[] = {
209 { OUT_RPD10, RPD10R },
212 { OUT_RPB10, RPB10R },
213 { OUT_RPC14, RPC14R },
216 { OUT_RPD14, RPD14R },
218 { OUT_RPA14, RPA14R },
223 { OUT_RPD11, RPD11R },
227 { OUT_RPC13, RPC13R },
230 { OUT_RPD15, RPD15R },
232 { OUT_RPA15, RPA15R },
237 { OUT_RPB15, RPB15R },
242 { OUT_RPF12, RPF12R },
243 { OUT_RPD12, RPD12R },
249 { OUT_RPB14, RPB14R },
255 { OUT_RPF13, RPF13R },
261 void pic32_pps_output(int function, int pin)
263 void __iomem *pps_base = ioremap_nocache(PPS_BASE, 0x170);
266 for (i = 0; i < ARRAY_SIZE(output_pin_reg); i++) {
267 if (output_pin_reg[i].pin == pin) {
268 __raw_writel(function,
269 pps_base + output_pin_reg[i].reg);