1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Joshua Henderson <joshua.henderson@microchip.com>
* Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
*/
#include <asm/io.h>
#include "early_pin.h"
#define PPS_BASE 0x1f800000
/* Input PPS Registers */
#define INT1R 0x1404
#define INT2R 0x1408
#define INT3R 0x140C
#define INT4R 0x1410
#define T2CKR 0x1418
#define T3CKR 0x141C
#define T4CKR 0x1420
#define T5CKR 0x1424
#define T6CKR 0x1428
#define T7CKR 0x142C
#define T8CKR 0x1430
#define T9CKR 0x1434
#define IC1R 0x1438
#define IC2R 0x143C
#define IC3R 0x1440
#define IC4R 0x1444
#define IC5R 0x1448
#define IC6R 0x144C
#define IC7R 0x1450
#define IC8R 0x1454
#define IC9R 0x1458
#define OCFAR 0x1460
#define U1RXR 0x1468
#define U1CTSR 0x146C
#define U2RXR 0x1470
#define U2CTSR 0x1474
#define U3RXR 0x1478
#define U3CTSR 0x147C
#define U4RXR 0x1480
#define U4CTSR 0x1484
#define U5RXR 0x1488
#define U5CTSR 0x148C
#define U6RXR 0x1490
#define U6CTSR 0x1494
#define SDI1R 0x149C
#define SS1R 0x14A0
#define SDI2R 0x14A8
#define SS2R 0x14AC
#define SDI3R 0x14B4
#define SS3R 0x14B8
#define SDI4R 0x14C0
#define SS4R 0x14C4
#define SDI5R 0x14CC
#define SS5R 0x14D0
#define SDI6R 0x14D8
#define SS6R 0x14DC
#define C1RXR 0x14E0
#define C2RXR 0x14E4
#define REFCLKI1R 0x14E8
#define REFCLKI3R 0x14F0
#define REFCLKI4R 0x14F4
static const struct
{
int function;
int reg;
} input_pin_reg[] = {
{ IN_FUNC_INT3, INT3R },
{ IN_FUNC_T2CK, T2CKR },
{ IN_FUNC_T6CK, T6CKR },
{ IN_FUNC_IC3, IC3R },
{ IN_FUNC_IC7, IC7R },
{ IN_FUNC_U1RX, U1RXR },
{ IN_FUNC_U2CTS, U2CTSR },
{ IN_FUNC_U5RX, U5RXR },
{ IN_FUNC_U6CTS, U6CTSR },
{ IN_FUNC_SDI1, SDI1R },
{ IN_FUNC_SDI3, SDI3R },
{ IN_FUNC_SDI5, SDI5R },
{ IN_FUNC_SS6, SS6R },
{ IN_FUNC_REFCLKI1, REFCLKI1R },
{ IN_FUNC_INT4, INT4R },
{ IN_FUNC_T5CK, T5CKR },
{ IN_FUNC_T7CK, T7CKR },
{ IN_FUNC_IC4, IC4R },
{ IN_FUNC_IC8, IC8R },
{ IN_FUNC_U3RX, U3RXR },
{ IN_FUNC_U4CTS, U4CTSR },
{ IN_FUNC_SDI2, SDI2R },
{ IN_FUNC_SDI4, SDI4R },
{ IN_FUNC_C1RX, C1RXR },
{ IN_FUNC_REFCLKI4, REFCLKI4R },
{ IN_FUNC_INT2, INT2R },
{ IN_FUNC_T3CK, T3CKR },
{ IN_FUNC_T8CK, T8CKR },
{ IN_FUNC_IC2, IC2R },
{ IN_FUNC_IC5, IC5R },
{ IN_FUNC_IC9, IC9R },
{ IN_FUNC_U1CTS, U1CTSR },
{ IN_FUNC_U2RX, U2RXR },
{ IN_FUNC_U5CTS, U5CTSR },
{ IN_FUNC_SS1, SS1R },
{ IN_FUNC_SS3, SS3R },
{ IN_FUNC_SS4, SS4R },
{ IN_FUNC_SS5, SS5R },
{ IN_FUNC_C2RX, C2RXR },
{ IN_FUNC_INT1, INT1R },
{ IN_FUNC_T4CK, T4CKR },
{ IN_FUNC_T9CK, T9CKR },
{ IN_FUNC_IC1, IC1R },
{ IN_FUNC_IC6, IC6R },
{ IN_FUNC_U3CTS, U3CTSR },
{ IN_FUNC_U4RX, U4RXR },
{ IN_FUNC_U6RX, U6RXR },
{ IN_FUNC_SS2, SS2R },
{ IN_FUNC_SDI6, SDI6R },
{ IN_FUNC_OCFA, OCFAR },
{ IN_FUNC_REFCLKI3, REFCLKI3R },
};
void pic32_pps_input(int function, int pin)
{
void __iomem *pps_base = ioremap(PPS_BASE, 0xF4);
int i;
for (i = 0; i < ARRAY_SIZE(input_pin_reg); i++) {
if (input_pin_reg[i].function == function) {
__raw_writel(pin, pps_base + input_pin_reg[i].reg);
return;
}
}
iounmap(pps_base);
}
/* Output PPS Registers */
#define RPA14R 0x1538
#define RPA15R 0x153C
#define RPB0R 0x1540
#define RPB1R 0x1544
#define RPB2R 0x1548
#define RPB3R 0x154C
#define RPB5R 0x1554
#define RPB6R 0x1558
#define RPB7R 0x155C
#define RPB8R 0x1560
#define RPB9R 0x1564
#define RPB10R 0x1568
#define RPB14R 0x1578
#define RPB15R 0x157C
#define RPC1R 0x1584
#define RPC2R 0x1588
#define RPC3R 0x158C
#define RPC4R 0x1590
#define RPC13R 0x15B4
#define RPC14R 0x15B8
#define RPD0R 0x15C0
#define RPD1R 0x15C4
#define RPD2R 0x15C8
#define RPD3R 0x15CC
#define RPD4R 0x15D0
#define RPD5R 0x15D4
#define RPD6R 0x15D8
#define RPD7R 0x15DC
#define RPD9R 0x15E4
#define RPD10R 0x15E8
#define RPD11R 0x15EC
#define RPD12R 0x15F0
#define RPD14R 0x15F8
#define RPD15R 0x15FC
#define RPE3R 0x160C
#define RPE5R 0x1614
#define RPE8R 0x1620
#define RPE9R 0x1624
#define RPF0R 0x1640
#define RPF1R 0x1644
#define RPF2R 0x1648
#define RPF3R 0x164C
#define RPF4R 0x1650
#define RPF5R 0x1654
#define RPF8R 0x1660
#define RPF12R 0x1670
#define RPF13R 0x1674
#define RPG0R 0x1680
#define RPG1R 0x1684
#define RPG6R 0x1698
#define RPG7R 0x169C
#define RPG8R 0x16A0
#define RPG9R 0x16A4
static const struct
{
int pin;
int reg;
} output_pin_reg[] = {
{ OUT_RPD2, RPD2R },
{ OUT_RPG8, RPG8R },
{ OUT_RPF4, RPF4R },
{ OUT_RPD10, RPD10R },
{ OUT_RPF1, RPF1R },
{ OUT_RPB9, RPB9R },
{ OUT_RPB10, RPB10R },
{ OUT_RPC14, RPC14R },
{ OUT_RPB5, RPB5R },
{ OUT_RPC1, RPC1R },
{ OUT_RPD14, RPD14R },
{ OUT_RPG1, RPG1R },
{ OUT_RPA14, RPA14R },
{ OUT_RPD6, RPD6R },
{ OUT_RPD3, RPD3R },
{ OUT_RPG7, RPG7R },
{ OUT_RPF5, RPF5R },
{ OUT_RPD11, RPD11R },
{ OUT_RPF0, RPF0R },
{ OUT_RPB1, RPB1R },
{ OUT_RPE5, RPE5R },
{ OUT_RPC13, RPC13R },
{ OUT_RPB3, RPB3R },
{ OUT_RPC4, RPC4R },
{ OUT_RPD15, RPD15R },
{ OUT_RPG0, RPG0R },
{ OUT_RPA15, RPA15R },
{ OUT_RPD7, RPD7R },
{ OUT_RPD9, RPD9R },
{ OUT_RPG6, RPG6R },
{ OUT_RPB8, RPB8R },
{ OUT_RPB15, RPB15R },
{ OUT_RPD4, RPD4R },
{ OUT_RPB0, RPB0R },
{ OUT_RPE3, RPE3R },
{ OUT_RPB7, RPB7R },
{ OUT_RPF12, RPF12R },
{ OUT_RPD12, RPD12R },
{ OUT_RPF8, RPF8R },
{ OUT_RPC3, RPC3R },
{ OUT_RPE9, RPE9R },
{ OUT_RPD1, RPD1R },
{ OUT_RPG9, RPG9R },
{ OUT_RPB14, RPB14R },
{ OUT_RPD0, RPD0R },
{ OUT_RPB6, RPB6R },
{ OUT_RPD5, RPD5R },
{ OUT_RPB2, RPB2R },
{ OUT_RPF3, RPF3R },
{ OUT_RPF13, RPF13R },
{ OUT_RPC2, RPC2R },
{ OUT_RPE8, RPE8R },
{ OUT_RPF2, RPF2R },
};
void pic32_pps_output(int function, int pin)
{
void __iomem *pps_base = ioremap(PPS_BASE, 0x170);
int i;
for (i = 0; i < ARRAY_SIZE(output_pin_reg); i++) {
if (output_pin_reg[i].pin == pin) {
__raw_writel(function,
pps_base + output_pin_reg[i].reg);
return;
}
}
iounmap(pps_base);
}
|
