Line data Source code
1 0 : /*
2 : * Copyright (c) 2021 Linaro Limited
3 : *
4 : * SPDX-License-Identifier: Apache-2.0
5 : */
6 :
7 : #ifndef ZEPHYR_STM32_AFIO_H_
8 : #define ZEPHYR_STM32_AFIO_H_
9 :
10 0 : #define STM32_REMAP_REG_MASK 0x1U
11 0 : #define STM32_REMAP_REG_SHIFT 0U
12 0 : #define STM32_REMAP_SHIFT_MASK 0x1FU
13 0 : #define STM32_REMAP_SHIFT_SHIFT 1U
14 0 : #define STM32_REMAP_MASK_MASK 0x3U
15 0 : #define STM32_REMAP_MASK_SHIFT 6U
16 0 : #define STM32_REMAP_VAL_MASK 0x3U
17 0 : #define STM32_REMAP_VAL_SHIFT 8U
18 :
19 : /**
20 : * @brief STM32F1 Remap configuration bit field.
21 : *
22 : * - reg (0/1) [ 0 : 0 ]
23 : * - shift (0..31) [ 1 : 5 ]
24 : * - mask (0x1, 0x3) [ 6 : 7 ]
25 : * - val (0..3) [ 8 : 9 ]
26 : *
27 : * @param reg AFIO_MAPRx register (MAPR, MAPR2).
28 : * @param shift Position within AFIO_MAPRx.
29 : * @param mask Mask for the AFIO_MAPRx field.
30 : * @param val Remap value (0, 1, 2 or 3).
31 : */
32 1 : #define STM32_REMAP(val, mask, shift, reg) \
33 : ((((reg) & STM32_REMAP_REG_MASK) << STM32_REMAP_REG_SHIFT) | \
34 : (((shift) & STM32_REMAP_SHIFT_MASK) << STM32_REMAP_SHIFT_SHIFT) | \
35 : (((mask) & STM32_REMAP_MASK_MASK) << STM32_REMAP_MASK_SHIFT) | \
36 : (((val) & STM32_REMAP_VAL_MASK) << STM32_REMAP_VAL_SHIFT))
37 :
38 :
39 : /* Accessors for remap value */
40 :
41 : /**
42 : * Obtain register field from remap configuration.
43 : *
44 : * @param remap Remap bit field value.
45 : */
46 1 : #define STM32_REMAP_REG_GET(remap) \
47 : (((remap) >> STM32_REMAP_REG_SHIFT) & STM32_REMAP_REG_MASK)
48 :
49 : /**
50 : * Obtain position field from remap configuration.
51 : *
52 : * @param remap Remap bit field value.
53 : */
54 1 : #define STM32_REMAP_SHIFT_GET(remap) \
55 : (((remap) >> STM32_REMAP_SHIFT_SHIFT) & STM32_REMAP_SHIFT_MASK)
56 :
57 : /**
58 : * Obtain mask field from remap configuration.
59 : *
60 : * @param remap Remap bit field value.
61 : */
62 1 : #define STM32_REMAP_MASK_GET(remap) \
63 : (((remap) >> STM32_REMAP_MASK_SHIFT) & STM32_REMAP_MASK_MASK)
64 :
65 : /**
66 : * Obtain value field from remap configuration.
67 : *
68 : * @param remap Remap bit field value.
69 : */
70 1 : #define STM32_REMAP_VAL_GET(remap) \
71 : (((remap) >> STM32_REMAP_VAL_SHIFT) & STM32_REMAP_VAL_MASK)
72 :
73 :
74 : /* Remap values definitions, according to RM0008.pdf */
75 :
76 0 : #define STM32_AFIO_MAPR 0U
77 0 : #define STM32_AFIO_MAPR2 1U
78 :
79 : /** Device not remappable **/
80 1 : #define NO_REMAP 0
81 :
82 : /** SPI1 (no remap) */
83 1 : #define SPI1_REMAP0 STM32_REMAP(0U, 0x1U, 0U, STM32_AFIO_MAPR)
84 : /** SPI1 (remap) */
85 1 : #define SPI1_REMAP1 STM32_REMAP(1U, 0x1U, 0U, STM32_AFIO_MAPR)
86 :
87 : /** I2C1 (no remap) */
88 1 : #define I2C1_REMAP0 STM32_REMAP(0U, 0x1U, 1U, STM32_AFIO_MAPR)
89 : /** I2C1 (remap) */
90 1 : #define I2C1_REMAP1 STM32_REMAP(1U, 0x1U, 1U, STM32_AFIO_MAPR)
91 :
92 : /** USART1 (no remap) */
93 1 : #define USART1_REMAP0 STM32_REMAP(0U, 0x1U, 2U, STM32_AFIO_MAPR)
94 : /** USART1 (remap) */
95 1 : #define USART1_REMAP1 STM32_REMAP(1U, 0x1U, 2U, STM32_AFIO_MAPR)
96 :
97 : /** USART2 (no remap) */
98 1 : #define USART2_REMAP0 STM32_REMAP(0U, 0x1U, 3U, STM32_AFIO_MAPR)
99 : /** USART2 (remap) */
100 1 : #define USART2_REMAP1 STM32_REMAP(1U, 0x1U, 3U, STM32_AFIO_MAPR)
101 :
102 : /** USART3 (no remap) */
103 1 : #define USART3_REMAP0 STM32_REMAP(0U, 0x3U, 4U, STM32_AFIO_MAPR)
104 : /** USART3 (partial remap) */
105 1 : #define USART3_REMAP1 STM32_REMAP(1U, 0x3U, 4U, STM32_AFIO_MAPR)
106 : /** USART3 (full remap) */
107 1 : #define USART3_REMAP2 STM32_REMAP(3U, 0x3U, 4U, STM32_AFIO_MAPR)
108 :
109 : /** TIM1 (no remap) */
110 1 : #define TIM1_REMAP0 STM32_REMAP(0U, 0x3U, 6U, STM32_AFIO_MAPR)
111 : /** TIM1 (partial remap) */
112 1 : #define TIM1_REMAP1 STM32_REMAP(1U, 0x3U, 6U, STM32_AFIO_MAPR)
113 : /** TIM1 (full remap) */
114 1 : #define TIM1_REMAP2 STM32_REMAP(3U, 0x3U, 6U, STM32_AFIO_MAPR)
115 :
116 : /** TIM2 (no remap) */
117 1 : #define TIM2_REMAP0 STM32_REMAP(0U, 0x3U, 8U, STM32_AFIO_MAPR)
118 : /** TIM2 (partial remap 1) */
119 1 : #define TIM2_REMAP1 STM32_REMAP(1U, 0x3U, 8U, STM32_AFIO_MAPR)
120 : /** TIM2 (partial remap 2) */
121 1 : #define TIM2_REMAP2 STM32_REMAP(2U, 0x3U, 8U, STM32_AFIO_MAPR)
122 : /** TIM2 (full remap) */
123 1 : #define TIM2_REMAP3 STM32_REMAP(3U, 0x3U, 8U, STM32_AFIO_MAPR)
124 :
125 : /** TIM3 (no remap) */
126 1 : #define TIM3_REMAP0 STM32_REMAP(0U, 0x3U, 10U, STM32_AFIO_MAPR)
127 : /** TIM3 (partial remap 1) */
128 1 : #define TIM3_REMAP1 STM32_REMAP(1U, 0x3U, 10U, STM32_AFIO_MAPR)
129 : /** TIM3 (partial remap 2) */
130 1 : #define TIM3_REMAP2 STM32_REMAP(2U, 0x3U, 10U, STM32_AFIO_MAPR)
131 : /** TIM3 (full remap) */
132 1 : #define TIM3_REMAP3 STM32_REMAP(3U, 0x3U, 10U, STM32_AFIO_MAPR)
133 :
134 : /** TIM4 (no remap) */
135 1 : #define TIM4_REMAP0 STM32_REMAP(0U, 0x1U, 12U, STM32_AFIO_MAPR)
136 : /** TIM4 (remap) */
137 1 : #define TIM4_REMAP1 STM32_REMAP(1U, 0x1U, 12U, STM32_AFIO_MAPR)
138 :
139 : /** CAN (no remap) */
140 1 : #define CAN_REMAP0 STM32_REMAP(0U, 0x3U, 13U, STM32_AFIO_MAPR)
141 : /** CAN (partial remap) */
142 1 : #define CAN_REMAP1 STM32_REMAP(2U, 0x3U, 13U, STM32_AFIO_MAPR)
143 : /** CAN (full remap) */
144 1 : #define CAN_REMAP2 STM32_REMAP(3U, 0x3U, 13U, STM32_AFIO_MAPR)
145 :
146 : /** CAN1 alias */
147 1 : #define CAN1_REMAP0 CAN_REMAP0
148 0 : #define CAN1_REMAP1 CAN_REMAP1
149 0 : #define CAN1_REMAP2 CAN_REMAP2
150 :
151 : /** ETH (no remap) */
152 1 : #define ETH_REMAP0 STM32_REMAP(0U, 0x1U, 21U, STM32_AFIO_MAPR)
153 : /** ETH (remap) */
154 1 : #define ETH_REMAP1 STM32_REMAP(1U, 0x1U, 21U, STM32_AFIO_MAPR)
155 :
156 : /** CAN2 (no remap) */
157 1 : #define CAN2_REMAP0 STM32_REMAP(0U, 0x1U, 22U, STM32_AFIO_MAPR)
158 : /** CAN2 (remap) */
159 1 : #define CAN2_REMAP1 STM32_REMAP(1U, 0x1U, 22U, STM32_AFIO_MAPR)
160 :
161 : /** SPI3 (no remap) */
162 1 : #define SPI3_REMAP0 STM32_REMAP(0U, 0x1U, 28U, STM32_AFIO_MAPR)
163 : /** SPI3 (remap) */
164 1 : #define SPI3_REMAP1 STM32_REMAP(1U, 0x1U, 28U, STM32_AFIO_MAPR)
165 :
166 : /** I2S3 (SPI3) (no remap) */
167 1 : #define I2S3_REMAP0 SPI3_REMAP0
168 : /** I2S3 (SPI3) (remap) */
169 1 : #define I2S3_REMAP1 SPI3_REMAP1
170 :
171 : /** TIM9 (no remap) */
172 1 : #define TIM9_REMAP0 STM32_REMAP(0U, 0x1U, 5U, STM32_AFIO_MAPR2)
173 : /** TIM9 (remap) */
174 1 : #define TIM9_REMAP1 STM32_REMAP(1U, 0x1U, 5U, STM32_AFIO_MAPR2)
175 :
176 : /** TIM10 (no remap) */
177 1 : #define TIM10_REMAP0 STM32_REMAP(0U, 0x1U, 6U, STM32_AFIO_MAPR2)
178 : /** TIM10 (remap) */
179 1 : #define TIM10_REMAP1 STM32_REMAP(1U, 0x1U, 6U, STM32_AFIO_MAPR2)
180 :
181 : /** TIM11 (no remap) */
182 1 : #define TIM11_REMAP0 STM32_REMAP(0U, 0x1U, 7U, STM32_AFIO_MAPR2)
183 : /** TIM11 (remap) */
184 1 : #define TIM11_REMAP1 STM32_REMAP(1U, 0x1U, 7U, STM32_AFIO_MAPR2)
185 :
186 : /** TIM13 (no remap) */
187 1 : #define TIM13_REMAP0 STM32_REMAP(0U, 0x1U, 8U, STM32_AFIO_MAPR2)
188 : /** TIM13 (remap) */
189 1 : #define TIM13_REMAP1 STM32_REMAP(1U, 0x1U, 8U, STM32_AFIO_MAPR2)
190 :
191 : /** TIM14 (no remap) */
192 1 : #define TIM14_REMAP0 STM32_REMAP(0U, 0x1U, 9U, STM32_AFIO_MAPR2)
193 : /** TIM14 (remap) */
194 1 : #define TIM14_REMAP1 STM32_REMAP(1U, 0x1U, 9U, STM32_AFIO_MAPR2)
195 :
196 : /** TIM15 (no remap) */
197 1 : #define TIM15_REMAP0 STM32_REMAP(0U, 0x1U, 0U, STM32_AFIO_MAPR2)
198 : /** TIM15 (remap) */
199 1 : #define TIM15_REMAP1 STM32_REMAP(1U, 0x1U, 0U, STM32_AFIO_MAPR2)
200 :
201 : /** TIM16 (no remap) */
202 1 : #define TIM16_REMAP0 STM32_REMAP(0U, 0x1U, 1U, STM32_AFIO_MAPR2)
203 : /** TIM16 (remap) */
204 1 : #define TIM16_REMAP1 STM32_REMAP(1U, 0x1U, 1U, STM32_AFIO_MAPR2)
205 :
206 : /** TIM17 (no remap) */
207 1 : #define TIM17_REMAP0 STM32_REMAP(0U, 0x1U, 2U, STM32_AFIO_MAPR2)
208 : /** TIM17 (remap) */
209 1 : #define TIM17_REMAP1 STM32_REMAP(1U, 0x1U, 2U, STM32_AFIO_MAPR2)
210 :
211 : #endif /* ZEPHYR_STM32_AFIO_H_ */
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