altos: Initial STMF04x support
[fw/altos] / src / stmf0 / stm32f0.h
1 /*
2  * Copyright © 2015 Keith Packard <keithp@keithp.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 2 of the License.
7  *
8  * This program is distributed in the hope that it will be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  * General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License along
14  * with this program; if not, write to the Free Software Foundation, Inc.,
15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
16  */
17
18 #ifndef _STM32F0_H_
19 #define _STM32F0_H_
20
21 #include <stdint.h>
22
23 typedef volatile uint32_t       vuint32_t;
24 typedef volatile void *         vvoid_t;
25 typedef volatile uint16_t       vuint16_t;
26
27 struct stm_gpio {
28         vuint32_t       moder;
29         vuint32_t       otyper;
30         vuint32_t       ospeedr;
31         vuint32_t       pupdr;
32
33         vuint32_t       idr;
34         vuint32_t       odr;
35         vuint32_t       bsrr;
36         vuint32_t       lckr;
37
38         vuint32_t       afrl;
39         vuint32_t       afrh;
40         vuint32_t       brr;
41 };
42
43 #define STM_MODER_SHIFT(pin)            ((pin) << 1)
44 #define STM_MODER_MASK                  3
45 #define STM_MODER_INPUT                 0
46 #define STM_MODER_OUTPUT                1
47 #define STM_MODER_ALTERNATE             2
48 #define STM_MODER_ANALOG                3
49
50 static inline void
51 stm_moder_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
52         gpio->moder = ((gpio->moder &
53                         ~(STM_MODER_MASK << STM_MODER_SHIFT(pin))) |
54                        value << STM_MODER_SHIFT(pin));
55 }
56
57 static inline uint32_t
58 stm_moder_get(struct stm_gpio *gpio, int pin) {
59         return (gpio->moder >> STM_MODER_SHIFT(pin)) & STM_MODER_MASK;
60 }
61
62 #define STM_OTYPER_SHIFT(pin)           (pin)
63 #define STM_OTYPER_MASK                 1
64 #define STM_OTYPER_PUSH_PULL            0
65 #define STM_OTYPER_OPEN_DRAIN           1
66
67 static inline void
68 stm_otyper_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
69         gpio->otyper = ((gpio->otyper &
70                          ~(STM_OTYPER_MASK << STM_OTYPER_SHIFT(pin))) |
71                         value << STM_OTYPER_SHIFT(pin));
72 }
73
74 static inline uint32_t
75 stm_otyper_get(struct stm_gpio *gpio, int pin) {
76         return (gpio->otyper >> STM_OTYPER_SHIFT(pin)) & STM_OTYPER_MASK;
77 }
78
79 #define STM_OSPEEDR_SHIFT(pin)          ((pin) << 1)
80 #define STM_OSPEEDR_MASK                3
81 #define STM_OSPEEDR_LOW                 0       /* 2MHz */
82 #define STM_OSPEEDR_MEDIUM              1       /* 10MHz */
83 #define STM_OSPEEDR_HIGH                3       /* 10-50MHz */
84
85 static inline void
86 stm_ospeedr_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
87         gpio->ospeedr = ((gpio->ospeedr &
88                         ~(STM_OSPEEDR_MASK << STM_OSPEEDR_SHIFT(pin))) |
89                        value << STM_OSPEEDR_SHIFT(pin));
90 }
91
92 static inline uint32_t
93 stm_ospeedr_get(struct stm_gpio *gpio, int pin) {
94         return (gpio->ospeedr >> STM_OSPEEDR_SHIFT(pin)) & STM_OSPEEDR_MASK;
95 }
96
97 #define STM_PUPDR_SHIFT(pin)            ((pin) << 1)
98 #define STM_PUPDR_MASK                  3
99 #define STM_PUPDR_NONE                  0
100 #define STM_PUPDR_PULL_UP               1
101 #define STM_PUPDR_PULL_DOWN             2
102 #define STM_PUPDR_RESERVED              3
103
104 static inline void
105 stm_pupdr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
106         gpio->pupdr = ((gpio->pupdr &
107                         ~(STM_PUPDR_MASK << STM_PUPDR_SHIFT(pin))) |
108                        value << STM_PUPDR_SHIFT(pin));
109 }
110
111 static inline uint32_t
112 stm_pupdr_get(struct stm_gpio *gpio, int pin) {
113         return (gpio->pupdr >> STM_PUPDR_SHIFT(pin)) & STM_PUPDR_MASK;
114 }
115
116 #define STM_AFR_SHIFT(pin)              ((pin) << 2)
117 #define STM_AFR_MASK                    0xf
118 #define STM_AFR_NONE                    0
119 #define STM_AFR_AF0                     0x0
120 #define STM_AFR_AF1                     0x1
121 #define STM_AFR_AF2                     0x2
122 #define STM_AFR_AF3                     0x3
123 #define STM_AFR_AF4                     0x4
124 #define STM_AFR_AF5                     0x5
125 #define STM_AFR_AF6                     0x6
126 #define STM_AFR_AF7                     0x7
127
128 static inline void
129 stm_afr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
130         /*
131          * Set alternate pin mode too
132          */
133         stm_moder_set(gpio, pin, STM_MODER_ALTERNATE);
134         if (pin < 8)
135                 gpio->afrl = ((gpio->afrl &
136                                ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
137                               value << STM_AFR_SHIFT(pin));
138         else {
139                 pin -= 8;
140                 gpio->afrh = ((gpio->afrh &
141                                ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
142                               value << STM_AFR_SHIFT(pin));
143         }
144 }
145
146 static inline uint32_t
147 stm_afr_get(struct stm_gpio *gpio, int pin) {
148         if (pin < 8)
149                 return (gpio->afrl >> STM_AFR_SHIFT(pin)) & STM_AFR_MASK;
150         else {
151                 pin -= 8;
152                 return (gpio->afrh >> STM_AFR_SHIFT(pin)) & STM_AFR_MASK;
153         }
154 }
155
156 static inline void
157 stm_gpio_set(struct stm_gpio *gpio, int pin, uint8_t value) {
158         /* Use the bit set/reset register to do this atomically */
159         gpio->bsrr = ((uint32_t) (value ^ 1) << (pin + 16)) | ((uint32_t) value << pin);
160 }
161
162 static inline uint8_t
163 stm_gpio_get(struct stm_gpio *gpio, int pin) {
164         return (gpio->idr >> pin) & 1;
165 }
166
167 static inline uint16_t
168 stm_gpio_get_all(struct stm_gpio *gpio) {
169         return gpio->idr;
170 }
171
172 /*
173  * We can't define these in registers.ld or our fancy
174  * ao_enable_gpio macro will expand into a huge pile of code
175  * as the compiler won't do correct constant folding and
176  * dead-code elimination
177  */
178
179 extern struct stm_gpio stm_gpioa;
180 extern struct stm_gpio stm_gpiob;
181 extern struct stm_gpio stm_gpioc;
182 extern struct stm_gpio stm_gpiof;
183
184 #define stm_gpiof  (*((struct stm_gpio *) 0x48001400))
185 #define stm_gpioc  (*((struct stm_gpio *) 0x48000800))
186 #define stm_gpiob  (*((struct stm_gpio *) 0x48000400))
187 #define stm_gpioa  (*((struct stm_gpio *) 0x48000000))
188
189 struct stm_usart {
190         vuint32_t       cr1;    /* control register 1 */
191         vuint32_t       cr2;    /* control register 2 */
192         vuint32_t       cr3;    /* control register 3 */
193         vuint32_t       brr;    /* baud rate register */
194
195         vuint32_t       gtpr;   /* guard time and prescaler */
196         vuint32_t       rtor;   /* */
197         vuint32_t       rqr;    /* */
198         vuint32_t       isr;    /* */
199
200         vuint32_t       icr;    /* */
201         vuint32_t       rdr;    /* */
202         vuint32_t       tdr;    /* */
203 };
204
205 extern struct stm_usart stm_usart1;
206 extern struct stm_usart stm_usart2;
207
208 #define STM_USART_SR_CTS        (9)     /* CTS flag */
209 #define STM_USART_SR_LBD        (8)     /* LIN break detection flag */
210 #define STM_USART_SR_TXE        (7)     /* Transmit data register empty */
211 #define STM_USART_SR_TC         (6)     /* Transmission complete */
212 #define STM_USART_SR_RXNE       (5)     /* Read data register not empty */
213 #define STM_USART_SR_IDLE       (4)     /* IDLE line detected */
214 #define STM_USART_SR_ORE        (3)     /* Overrun error */
215 #define STM_USART_SR_NF         (2)     /* Noise detected flag */
216 #define STM_USART_SR_FE         (1)     /* Framing error */
217 #define STM_USART_SR_PE         (0)     /* Parity error */
218
219 #define STM_USART_CR1_OVER8     (15)    /* Oversampling mode */
220 #define STM_USART_CR1_UE        (13)    /* USART enable */
221 #define STM_USART_CR1_M         (12)    /* Word length */
222 #define STM_USART_CR1_WAKE      (11)    /* Wakeup method */
223 #define STM_USART_CR1_PCE       (10)    /* Parity control enable */
224 #define STM_USART_CR1_PS        (9)     /* Parity selection */
225 #define STM_USART_CR1_PEIE      (8)     /* PE interrupt enable */
226 #define STM_USART_CR1_TXEIE     (7)     /* TXE interrupt enable */
227 #define STM_USART_CR1_TCIE      (6)     /* Transmission complete interrupt enable */
228 #define STM_USART_CR1_RXNEIE    (5)     /* RXNE interrupt enable */
229 #define STM_USART_CR1_IDLEIE    (4)     /* IDLE interrupt enable */
230 #define STM_USART_CR1_TE        (3)     /* Transmitter enable */
231 #define STM_USART_CR1_RE        (2)     /* Receiver enable */
232 #define STM_USART_CR1_RWU       (1)     /* Receiver wakeup */
233 #define STM_USART_CR1_SBK       (0)     /* Send break */
234
235 #define STM_USART_CR2_LINEN     (14)    /* LIN mode enable */
236 #define STM_USART_CR2_STOP      (12)    /* STOP bits */
237 #define STM_USART_CR2_STOP_MASK 3
238 #define STM_USART_CR2_STOP_1    0
239 #define STM_USART_CR2_STOP_0_5  1
240 #define STM_USART_CR2_STOP_2    2
241 #define STM_USART_CR2_STOP_1_5  3
242
243 #define STM_USART_CR2_CLKEN     (11)    /* Clock enable */
244 #define STM_USART_CR2_CPOL      (10)    /* Clock polarity */
245 #define STM_USART_CR2_CPHA      (9)     /* Clock phase */
246 #define STM_USART_CR2_LBCL      (8)     /* Last bit clock pulse */
247 #define STM_USART_CR2_LBDIE     (6)     /* LIN break detection interrupt enable */
248 #define STM_USART_CR2_LBDL      (5)     /* lin break detection length */
249 #define STM_USART_CR2_ADD       (0)
250 #define STM_USART_CR2_ADD_MASK  0xf
251
252 #define STM_USART_CR3_ONEBITE   (11)    /* One sample bit method enable */
253 #define STM_USART_CR3_CTSIE     (10)    /* CTS interrupt enable */
254 #define STM_USART_CR3_CTSE      (9)     /* CTS enable */
255 #define STM_USART_CR3_RTSE      (8)     /* RTS enable */
256 #define STM_USART_CR3_DMAT      (7)     /* DMA enable transmitter */
257 #define STM_USART_CR3_DMAR      (6)     /* DMA enable receiver */
258 #define STM_USART_CR3_SCEN      (5)     /* Smartcard mode enable */
259 #define STM_USART_CR3_NACK      (4)     /* Smartcard NACK enable */
260 #define STM_USART_CR3_HDSEL     (3)     /* Half-duplex selection */
261 #define STM_USART_CR3_IRLP      (2)     /* IrDA low-power */
262 #define STM_USART_CR3_IREN      (1)     /* IrDA mode enable */
263 #define STM_USART_CR3_EIE       (0)     /* Error interrupt enable */
264
265 struct stm_tim {
266 };
267
268 extern struct stm_tim stm_tim9;
269
270 struct stm_tim1011 {
271         vuint32_t       cr1;
272         uint32_t        unused_4;
273         vuint32_t       smcr;
274         vuint32_t       dier;
275         vuint32_t       sr;
276         vuint32_t       egr;
277         vuint32_t       ccmr1;
278         uint32_t        unused_1c;
279         vuint32_t       ccer;
280         vuint32_t       cnt;
281         vuint32_t       psc;
282         vuint32_t       arr;
283         uint32_t        unused_30;
284         vuint32_t       ccr1;
285         uint32_t        unused_38;
286         uint32_t        unused_3c;
287         uint32_t        unused_40;
288         uint32_t        unused_44;
289         uint32_t        unused_48;
290         uint32_t        unused_4c;
291         vuint32_t       or;
292 };
293
294 extern struct stm_tim1011 stm_tim10;
295 extern struct stm_tim1011 stm_tim11;
296
297 #define STM_TIM1011_CR1_CKD     8
298 #define  STM_TIM1011_CR1_CKD_1          0
299 #define  STM_TIM1011_CR1_CKD_2          1
300 #define  STM_TIM1011_CR1_CKD_4          2
301 #define  STM_TIM1011_CR1_CKD_MASK       3
302 #define STM_TIM1011_CR1_ARPE    7
303 #define STM_TIM1011_CR1_URS     2
304 #define STM_TIM1011_CR1_UDIS    1
305 #define STM_TIM1011_CR1_CEN     0
306
307 #define STM_TIM1011_SMCR_ETP    15
308 #define STM_TIM1011_SMCR_ECE    14
309 #define STM_TIM1011_SMCR_ETPS   12
310 #define  STM_TIM1011_SMCR_ETPS_OFF      0
311 #define  STM_TIM1011_SMCR_ETPS_2        1
312 #define  STM_TIM1011_SMCR_ETPS_4        2
313 #define  STM_TIM1011_SMCR_ETPS_8        3
314 #define  STM_TIM1011_SMCR_ETPS_MASK     3
315 #define STM_TIM1011_SMCR_ETF    8
316 #define  STM_TIM1011_SMCR_ETF_NONE              0
317 #define  STM_TIM1011_SMCR_ETF_CK_INT_2          1
318 #define  STM_TIM1011_SMCR_ETF_CK_INT_4          2
319 #define  STM_TIM1011_SMCR_ETF_CK_INT_8          3
320 #define  STM_TIM1011_SMCR_ETF_DTS_2_6           4
321 #define  STM_TIM1011_SMCR_ETF_DTS_2_8           5
322 #define  STM_TIM1011_SMCR_ETF_DTS_4_6           6
323 #define  STM_TIM1011_SMCR_ETF_DTS_4_8           7
324 #define  STM_TIM1011_SMCR_ETF_DTS_8_6           8
325 #define  STM_TIM1011_SMCR_ETF_DTS_8_8           9
326 #define  STM_TIM1011_SMCR_ETF_DTS_16_5          10
327 #define  STM_TIM1011_SMCR_ETF_DTS_16_6          11
328 #define  STM_TIM1011_SMCR_ETF_DTS_16_8          12
329 #define  STM_TIM1011_SMCR_ETF_DTS_32_5          13
330 #define  STM_TIM1011_SMCR_ETF_DTS_32_6          14
331 #define  STM_TIM1011_SMCR_ETF_DTS_32_8          15
332 #define  STM_TIM1011_SMCR_ETF_MASK              15
333
334 #define STM_TIM1011_DIER_CC1E   1
335 #define STM_TIM1011_DIER_UIE    0
336
337 #define STM_TIM1011_SR_CC1OF    9
338 #define STM_TIM1011_SR_CC1IF    1
339 #define STM_TIM1011_SR_UIF      0
340
341 #define STM_TIM1011_EGR_CC1G    1
342 #define STM_TIM1011_EGR_UG      0
343
344 #define STM_TIM1011_CCMR1_OC1CE 7
345 #define STM_TIM1011_CCMR1_OC1M  4
346 #define  STM_TIM1011_CCMR1_OC1M_FROZEN                  0
347 #define  STM_TIM1011_CCMR1_OC1M_SET_1_ACTIVE_ON_MATCH   1
348 #define  STM_TIM1011_CCMR1_OC1M_SET_1_INACTIVE_ON_MATCH 2
349 #define  STM_TIM1011_CCMR1_OC1M_TOGGLE                  3
350 #define  STM_TIM1011_CCMR1_OC1M_FORCE_INACTIVE          4
351 #define  STM_TIM1011_CCMR1_OC1M_FORCE_ACTIVE            5
352 #define  STM_TIM1011_CCMR1_OC1M_PWM_MODE_1              6
353 #define  STM_TIM1011_CCMR1_OC1M_PWM_MODE_2              7
354 #define  STM_TIM1011_CCMR1_OC1M_MASK                    7
355 #define STM_TIM1011_CCMR1_OC1PE 3
356 #define STM_TIM1011_CCMR1_OC1FE 2
357 #define STM_TIM1011_CCMR1_CC1S  0
358 #define  STM_TIM1011_CCMR1_CC1S_OUTPUT                  0
359 #define  STM_TIM1011_CCMR1_CC1S_INPUT_TI1               1
360 #define  STM_TIM1011_CCMR1_CC1S_INPUT_TI2               2
361 #define  STM_TIM1011_CCMR1_CC1S_INPUT_TRC               3
362 #define  STM_TIM1011_CCMR1_CC1S_MASK                    3
363
364 #define  STM_TIM1011_CCMR1_IC1F_NONE            0
365 #define  STM_TIM1011_CCMR1_IC1F_CK_INT_2        1
366 #define  STM_TIM1011_CCMR1_IC1F_CK_INT_4        2
367 #define  STM_TIM1011_CCMR1_IC1F_CK_INT_8        3
368 #define  STM_TIM1011_CCMR1_IC1F_DTS_2_6         4
369 #define  STM_TIM1011_CCMR1_IC1F_DTS_2_8         5
370 #define  STM_TIM1011_CCMR1_IC1F_DTS_4_6         6
371 #define  STM_TIM1011_CCMR1_IC1F_DTS_4_8         7
372 #define  STM_TIM1011_CCMR1_IC1F_DTS_8_6         8
373 #define  STM_TIM1011_CCMR1_IC1F_DTS_8_8         9
374 #define  STM_TIM1011_CCMR1_IC1F_DTS_16_5        10
375 #define  STM_TIM1011_CCMR1_IC1F_DTS_16_6        11
376 #define  STM_TIM1011_CCMR1_IC1F_DTS_16_8        12
377 #define  STM_TIM1011_CCMR1_IC1F_DTS_32_5        13
378 #define  STM_TIM1011_CCMR1_IC1F_DTS_32_6        14
379 #define  STM_TIM1011_CCMR1_IC1F_DTS_32_8        15
380 #define  STM_TIM1011_CCMR1_IC1F_MASK            15
381 #define STM_TIM1011_CCMR1_IC1PSC        2
382 #define  STM_TIM1011_CCMR1_IC1PSC_1             0
383 #define  STM_TIM1011_CCMR1_IC1PSC_2             1
384 #define  STM_TIM1011_CCMR1_IC1PSC_4             2
385 #define  STM_TIM1011_CCMR1_IC1PSC_8             3
386 #define  STM_TIM1011_CCMR1_IC1PSC_MASK          3
387 #define STM_TIM1011_CCMR1_CC1S          0
388
389 #define STM_TIM1011_CCER_CC1NP          3
390 #define STM_TIM1011_CCER_CC1P           1
391 #define STM_TIM1011_CCER_CC1E           0
392
393 #define STM_TIM1011_OR_TI1_RMP_RI       3
394 #define STM_TIM1011_ETR_RMP             2
395 #define STM_TIM1011_TI1_RMP             0
396 #define  STM_TIM1011_TI1_RMP_GPIO               0
397 #define  STM_TIM1011_TI1_RMP_LSI                1
398 #define  STM_TIM1011_TI1_RMP_LSE                2
399 #define  STM_TIM1011_TI1_RMP_RTC                3
400 #define  STM_TIM1011_TI1_RMP_MASK               3
401
402 /* Flash interface */
403
404 struct stm_flash {
405         vuint32_t       acr;
406         vuint32_t       keyr;
407         vuint32_t       optkeyr;
408         vuint32_t       sr;
409
410         vuint32_t       cr;
411         vuint32_t       ar;
412         vuint32_t       unused_0x18;
413         vuint32_t       obr;
414
415         vuint32_t       wrpr;
416 };
417
418 extern struct stm_flash stm_flash;
419
420 #define STM_FLASH_ACR_PRFTBS    (5)
421 #define STM_FLASH_ACR_PRFTBE    (4)
422 #define STM_FLASH_ACR_LATENCY   (0)
423 #define  STM_FLASH_ACR_LATENCY_0                0
424 #define  STM_FLASH_ACR_LATENCY_1                1
425
426 #define STM_FLASH_PECR_OBL_LAUNCH       18
427 #define STM_FLASH_PECR_ERRIE            17
428 #define STM_FLASH_PECR_EOPIE            16
429 #define STM_FLASH_PECR_FPRG             10
430 #define STM_FLASH_PECR_ERASE            9
431 #define STM_FLASH_PECR_FTDW             8
432 #define STM_FLASH_PECR_DATA             4
433 #define STM_FLASH_PECR_PROG             3
434 #define STM_FLASH_PECR_OPTLOCK          2
435 #define STM_FLASH_PECR_PRGLOCK          1
436 #define STM_FLASH_PECR_PELOCK           0
437
438 #define STM_FLASH_SR_OPTVERR            11
439 #define STM_FLASH_SR_SIZERR             10
440 #define STM_FLASH_SR_PGAERR             9
441 #define STM_FLASH_SR_WRPERR             8
442 #define STM_FLASH_SR_READY              3
443 #define STM_FLASH_SR_ENDHV              2
444 #define STM_FLASH_SR_EOP                1
445 #define STM_FLASH_SR_BSY                0
446
447 #define STM_FLASH_PEKEYR_PEKEY1 0x89ABCDEF
448 #define STM_FLASH_PEKEYR_PEKEY2 0x02030405
449
450 #define STM_FLASH_PRGKEYR_PRGKEY1 0x8C9DAEBF
451 #define STM_FLASH_PRGKEYR_PRGKEY2 0x13141516
452
453 struct stm_rcc {
454         vuint32_t       cr;
455         vuint32_t       cfgr;
456         vuint32_t       cir;
457         vuint32_t       apb2rstr;
458
459         vuint32_t       apb1rstr;
460         vuint32_t       ahbenr;
461         vuint32_t       apb2enr;
462         vuint32_t       apb1enr;
463
464         vuint32_t       bdcr;
465         vuint32_t       csr;
466         vuint32_t       ahbrstr;
467         vuint32_t       cfgr2;
468
469         vuint32_t       cfgr3;
470         vuint32_t       cr2;
471 };
472
473 extern struct stm_rcc stm_rcc;
474
475 /* Nominal high speed internal oscillator frequency is 16MHz */
476 #define STM_HSI_FREQ            16000000
477
478 #define STM_RCC_CR_PLLRDY       (25)
479 #define STM_RCC_CR_PLLON        (24)
480 #define STM_RCC_CR_CSSON        (19)
481 #define STM_RCC_CR_HSEBYP       (18)
482 #define STM_RCC_CR_HSERDY       (17)
483 #define STM_RCC_CR_HSEON        (16)
484 #define STM_RCC_CR_HSICAL       (8)
485 #define STM_RCC_CR_HSITRIM      (3)
486 #define STM_RCC_CR_HSIRDY       (1)
487 #define STM_RCC_CR_HSION        (0)
488
489 #define STM_RCC_CFGR_PLL_NODIV  (31)
490 #define  STM_RCC_CFGR_PLL_NODIV_DIV_1   1
491 #define  STM_RCC_CFGR_PLL_NODIV_DIV_2   0
492
493 #define STM_RCC_CFGR_MCOPRE     (28)
494 #define  STM_RCC_CFGR_MCOPRE_DIV_1      0
495 #define  STM_RCC_CFGR_MCOPRE_DIV_2      1
496 #define  STM_RCC_CFGR_MCOPRE_DIV_4      2
497 #define  STM_RCC_CFGR_MCOPRE_DIV_8      3
498 #define  STM_RCC_CFGR_MCOPRE_DIV_16     4
499 #define  STM_RCC_CFGR_MCOPRE_DIV_32     5
500 #define  STM_RCC_CFGR_MCOPRE_DIV_64     6
501 #define  STM_RCC_CFGR_MCOPRE_DIV_128    7
502 #define  STM_RCC_CFGR_MCOPRE_DIV_MASK   7
503
504 #define STM_RCC_CFGR_MCO        (24)
505 # define STM_RCC_CFGR_MCO_DISABLE       0
506
507 #define STM_RCC_CFGR_PLLMUL     (18)
508 #define  STM_RCC_CFGR_PLLMUL_2          0
509 #define  STM_RCC_CFGR_PLLMUL_3          1
510 #define  STM_RCC_CFGR_PLLMUL_4          2
511 #define  STM_RCC_CFGR_PLLMUL_5          3
512 #define  STM_RCC_CFGR_PLLMUL_6          4
513 #define  STM_RCC_CFGR_PLLMUL_7          5
514 #define  STM_RCC_CFGR_PLLMUL_8          6
515 #define  STM_RCC_CFGR_PLLMUL_9          7
516 #define  STM_RCC_CFGR_PLLMUL_10         8
517 #define  STM_RCC_CFGR_PLLMUL_11         9
518 #define  STM_RCC_CFGR_PLLMUL_12         10
519 #define  STM_RCC_CFGR_PLLMUL_13         11
520 #define  STM_RCC_CFGR_PLLMUL_14         12
521 #define  STM_RCC_CFGR_PLLMUL_15         13
522 #define  STM_RCC_CFGR_PLLMUL_16         14
523 #define  STM_RCC_CFGR_PLLMUL_MASK       0xf
524
525 #define STM_RCC_CFGR_PLLXTPRE   (17)
526
527 #define STM_RCC_CFGR_PLLSRC     (15)
528 # define STM_RCC_CFGR_PLLSRC_HSI_DIV_2  0
529 # define STM_RCC_CFGR_PLLSRC_HSI        1
530 # define STM_RCC_CFGR_PLLSRC_HSE        2
531 # define STM_RCC_CFGR_PLLSRC_HSI48      3
532
533 #define STM_RCC_CFGR_ADCPRE     (14)
534
535 #define STM_RCC_CFGR_PPRE       (8)
536 #define  STM_RCC_CFGR_PPRE_DIV_1        0
537 #define  STM_RCC_CFGR_PPRE_DIV_2        4
538 #define  STM_RCC_CFGR_PPRE_DIV_4        5
539 #define  STM_RCC_CFGR_PPRE_DIV_8        6
540 #define  STM_RCC_CFGR_PPRE_DIV_16       7
541 #define  STM_RCC_CFGR_PPRE_MASK         7
542
543 #define STM_RCC_CFGR_HPRE       (4)
544 #define  STM_RCC_CFGR_HPRE_DIV_1        0
545 #define  STM_RCC_CFGR_HPRE_DIV_2        8
546 #define  STM_RCC_CFGR_HPRE_DIV_4        9
547 #define  STM_RCC_CFGR_HPRE_DIV_8        0xa
548 #define  STM_RCC_CFGR_HPRE_DIV_16       0xb
549 #define  STM_RCC_CFGR_HPRE_DIV_64       0xc
550 #define  STM_RCC_CFGR_HPRE_DIV_128      0xd
551 #define  STM_RCC_CFGR_HPRE_DIV_256      0xe
552 #define  STM_RCC_CFGR_HPRE_DIV_512      0xf
553 #define  STM_RCC_CFGR_HPRE_MASK         0xf
554
555 #define STM_RCC_CFGR_SWS        (2)
556 #define  STM_RCC_CFGR_SWS_HSI           0
557 #define  STM_RCC_CFGR_SWS_HSE           1
558 #define  STM_RCC_CFGR_SWS_PLL           2
559 #define  STM_RCC_CFGR_SWS_HSI48         3
560 #define  STM_RCC_CFGR_SWS_MASK          3
561
562 #define STM_RCC_CFGR_SW         (0)
563 #define  STM_RCC_CFGR_SW_HSI            0
564 #define  STM_RCC_CFGR_SW_HSE            1
565 #define  STM_RCC_CFGR_SW_PLL            2
566 #define  STM_RCC_CFGR_SW_HSI48          3
567 #define  STM_RCC_CFGR_SW_MASK           3
568
569 #define STM_RCC_APB1RSTR_CECRST         30
570 #define STM_RCC_APB1RSTR_DACRST         29
571 #define STM_RCC_APB1RSTR_PWRRST         28
572 #define STM_RCC_APB1RSTR_CRSRST         27
573 #define STM_RCC_APB1RSTR_CANRST         25
574 #define STM_RCC_APB1RSTR_USBRST         23
575 #define STM_RCC_APB1RSTR_I2C2RST        22
576 #define STM_RCC_APB1RSTR_I1C1RST        21
577 #define STM_RCC_APB1RSTR_USART5RST      20
578 #define STM_RCC_APB1RSTR_USART4RST      19
579 #define STM_RCC_APB1RSTR_USART3RST      18
580 #define STM_RCC_APB1RSTR_USART2RST      17
581 #define STM_RCC_APB1RSTR_SPI2RST        14
582 #define STM_RCC_APB1RSTR_WWDGRST        11
583 #define STM_RCC_APB1RSTR_TIM14RST       8
584 #define STM_RCC_APB1RSTR_TIM7RST        5
585 #define STM_RCC_APB1RSTR_TIM6RST        4
586 #define STM_RCC_APB1RSTR_TIM3RST        1
587 #define STM_RCC_APB1RSTR_TIM2RST        0
588
589 #define STM_RCC_AHBENR_TSCEN    24
590 #define STM_RCC_AHBENR_IOPFEN   22
591 #define STM_RCC_AHBENR_IOPEEN   21
592 #define STM_RCC_AHBENR_IOPDEN   20
593 #define STM_RCC_AHBENR_IOPCEN   19
594 #define STM_RCC_AHBENR_IOPBEN   18
595 #define STM_RCC_AHBENR_IOPAEN   17
596 #define STM_RCC_AHBENR_CRCEN    6
597 #define STM_RCC_AHBENR_FLITFEN  4
598 #define STM_RCC_AHBENR_SRAMEN   2
599 #define STM_RCC_AHBENR_DMA2EN   1
600 #define STM_RCC_AHBENR_DMAEM    0
601
602 #define STM_RCC_APB2ENR_DBGMCUEN        22
603 #define STM_RCC_APB2ENR_TIM17EN         18
604 #define STM_RCC_APB2ENR_TIM16EN         17
605 #define STM_RCC_APB2ENR_TIM15EN         16
606 #define STM_RCC_APB2ENR_USART1EN        14
607 #define STM_RCC_APB2ENR_SPI1EN          12
608 #define STM_RCC_APB2ENR_TIM1EN          11
609 #define STM_RCC_APB2ENR_ADCEN           9
610 #define STM_RCC_APB2ENR_USART8EN        7
611 #define STM_RCC_APB2ENR_USART7EN        6
612 #define STM_RCC_APB2ENR_USART6EN        5
613 #define STM_RCC_APB2ENR_SYSCFGCOMPEN    0
614
615 #define STM_RCC_APB1ENR_CECEN           30
616 #define STM_RCC_APB1ENR_DACEN           29
617 #define STM_RCC_APB1ENR_PWREN           28
618 #define STM_RCC_APB1ENR_CRSEN           27
619 #define STM_RCC_APB1ENR_CANEN           25
620 #define STM_RCC_APB1ENR_USBEN           23
621 #define STM_RCC_APB1ENR_I2C2EN          22
622 #define STM_RCC_APB1ENR_IC21EN          21
623 #define STM_RCC_APB1ENR_USART5EN        20
624 #define STM_RCC_APB1ENR_USART4EN        19
625 #define STM_RCC_APB1ENR_USART3EN        18
626 #define STM_RCC_APB1ENR_USART2EN        17
627 #define STM_RCC_APB1ENR_SPI2EN          14
628 #define STM_RCC_APB1ENR_WWDGEN          11
629 #define STM_RCC_APB1ENR_TIM14EN         8
630 #define STM_RCC_APB1ENR_TIM7EN          5
631 #define STM_RCC_APB1ENR_TIM6EN          4
632 #define STM_RCC_APB1ENR_TIM3EN          1
633 #define STM_RCC_APB1ENR_TIM2EN          0
634
635 #define STM_RCC_CSR_LPWRRSTF            (31)
636 #define STM_RCC_CSR_WWDGRSTF            (30)
637 #define STM_RCC_CSR_IWDGRSTF            (29)
638 #define STM_RCC_CSR_SFTRSTF             (28)
639 #define STM_RCC_CSR_PORRSTF             (27)
640 #define STM_RCC_CSR_PINRSTF             (26)
641 #define STM_RCC_CSR_OBLRSTF             (25)
642 #define STM_RCC_CSR_RMVF                (24)
643 #define STM_RCC_CSR_V18PWRRSTF          (23)
644 #define STM_RCC_CSR_LSIRDY              (1)
645 #define STM_RCC_CSR_LSION               (0)
646
647 #define STM_RCC_CR2_HSI48CAL            24
648 #define STM_RCC_CR2_HSI48RDY            17
649 #define STM_RCC_CR2_HSI48ON             16
650 #define STM_RCC_CR2_HSI14CAL            8
651 #define STM_RCC_CR2_HSI14TRIM           3
652 #define STM_RCC_CR2_HSI14DIS            2
653 #define STM_RCC_CR2_HSI14RDY            1
654 #define STM_RCC_CR2_HSI14ON             0
655
656 #define STM_RCC_CFGR3_USART3SW          18
657 #define STM_RCC_CFGR3_USART2SW          16
658 #define STM_RCC_CFGR3_ADCSW             8
659 #define STM_RCC_CFGR3_USBSW             7
660 #define STM_RCC_CFGR3_CECSW             6
661 #define STM_RCC_CFGR3_I2C1SW            4
662 #define STM_RCC_CFGR3_USART1SW          0
663
664 struct stm_crs {
665         vuint32_t       cr;
666         vuint32_t       cfgr;
667         vuint32_t       isr;
668         vuint32_t       icr;
669 };
670
671 extern struct stm_crs stm_crs;
672
673 #define STM_CRS_CR_TRIM         8
674 #define STM_CRS_CR_SWSYNC       7
675 #define STM_CRS_CR_AUTOTRIMEN   6
676 #define STM_CRS_CR_CEN          5
677 #define STM_CRS_CR_ESYNCIE      3
678 #define STM_CRS_CR_ERRIE        2
679 #define STM_CRS_CR_SYNCWARNIE   1
680 #define STM_CRS_CR_SYNCOKIE     0
681
682 #define STM_CRS_CFGR_SYNCPOL    31
683 #define STM_CRS_CFGR_SYNCSRC    28
684 #define  STM_CRS_CFGR_SYNCSRC_GPIO      0
685 #define  STM_CRS_CFGR_SYNCSRC_LSE       1
686 #define  STM_CRS_CFGR_SYNCSRC_USB       2
687 #define STM_CRS_CFGR_SYNCDIV    24
688 #define  STM_CRS_CFGR_SYNCDIV_1         0
689 #define  STM_CRS_CFGR_SYNCDIV_2         1
690 #define  STM_CRS_CFGR_SYNCDIV_4         2
691 #define  STM_CRS_CFGR_SYNCDIV_8         3
692 #define  STM_CRS_CFGR_SYNCDIV_16        4
693 #define  STM_CRS_CFGR_SYNCDIV_32        5
694 #define  STM_CRS_CFGR_SYNCDIV_64        6
695 #define  STM_CRS_CFGR_SYNCDIV_128       7
696 #define STM_CRS_CFGR_FELIM      16
697 #define STM_CRS_CFGR_RELOAD     0
698
699 #define STM_CRS_ISR_FECAP       16
700 #define STM_CRS_ISR_FEDIR       15
701 #define STM_CRS_ISR_TRIMOVF     10
702 #define STM_CRS_ISR_SYNCMISS    9
703 #define STM_CRS_ISR_SYNCERR     8
704 #define STM_CRS_ISR_ESYNCF      3
705 #define STM_CRS_ISR_ERRF        2
706 #define STM_CRS_ISR_SYNCWARNF   1
707 #define STM_CRS_ISR_SYNCOKF     0
708
709 #define STM_CRS_ICR_ESYNCC      3
710 #define STM_CRS_ICR_ERRC        2
711 #define STM_CRS_ICR_SYNCWARNC   1
712 #define STM_CRS_ICR_SYNCOKC     0
713
714 struct stm_pwr {
715         vuint32_t       cr;
716         vuint32_t       csr;
717 };
718
719 extern struct stm_pwr stm_pwr;
720
721 #define STM_PWR_CR_DBP          (8)
722
723 #define STM_PWR_CR_PLS          (5)
724 #define  STM_PWR_CR_PLS_2_0     0
725 #define  STM_PWR_CR_PLS_2_1     1
726 #define  STM_PWR_CR_PLS_2_2     2
727 #define  STM_PWR_CR_PLS_2_3     3
728 #define  STM_PWR_CR_PLS_2_4     4
729 #define  STM_PWR_CR_PLS_2_5     5
730 #define  STM_PWR_CR_PLS_2_6     6
731 #define  STM_PWR_CR_PLS_EXT     7
732 #define  STM_PWR_CR_PLS_MASK    7
733
734 #define STM_PWR_CR_PVDE         (4)
735 #define STM_PWR_CR_CSBF         (3)
736 #define STM_PWR_CR_CWUF         (2)
737 #define STM_PWR_CR_PDDS         (1)
738 #define STM_PWR_CR_LPSDSR       (0)
739
740 #define STM_PWR_CSR_EWUP3       (10)
741 #define STM_PWR_CSR_EWUP2       (9)
742 #define STM_PWR_CSR_EWUP1       (8)
743 #define STM_PWR_CSR_REGLPF      (5)
744 #define STM_PWR_CSR_VOSF        (4)
745 #define STM_PWR_CSR_VREFINTRDYF (3)
746 #define STM_PWR_CSR_PVDO        (2)
747 #define STM_PWR_CSR_SBF         (1)
748 #define STM_PWR_CSR_WUF         (0)
749
750 struct stm_tim67 {
751         vuint32_t       cr1;
752         vuint32_t       cr2;
753         uint32_t        _unused_08;
754         vuint32_t       dier;
755
756         vuint32_t       sr;
757         vuint32_t       egr;
758         uint32_t        _unused_18;
759         uint32_t        _unused_1c;
760
761         uint32_t        _unused_20;
762         vuint32_t       cnt;
763         vuint32_t       psc;
764         vuint32_t       arr;
765 };
766
767 extern struct stm_tim67 stm_tim6;
768
769 #define STM_TIM67_CR1_ARPE      (7)
770 #define STM_TIM67_CR1_OPM       (3)
771 #define STM_TIM67_CR1_URS       (2)
772 #define STM_TIM67_CR1_UDIS      (1)
773 #define STM_TIM67_CR1_CEN       (0)
774
775 #define STM_TIM67_CR2_MMS       (4)
776 #define  STM_TIM67_CR2_MMS_RESET        0
777 #define  STM_TIM67_CR2_MMS_ENABLE       1
778 #define  STM_TIM67_CR2_MMS_UPDATE       2
779 #define  STM_TIM67_CR2_MMS_MASK         7
780
781 #define STM_TIM67_DIER_UDE      (8)
782 #define STM_TIM67_DIER_UIE      (0)
783
784 #define STM_TIM67_SR_UIF        (0)
785
786 #define STM_TIM67_EGR_UG        (0)
787
788 struct stm_lcd {
789         vuint32_t       cr;
790         vuint32_t       fcr;
791         vuint32_t       sr;
792         vuint32_t       clr;
793         uint32_t        unused_0x10;
794         vuint32_t       ram[8*2];
795 };
796
797 extern struct stm_lcd stm_lcd;
798
799 #define STM_LCD_CR_MUX_SEG              (7)
800
801 #define STM_LCD_CR_BIAS                 (5)
802 #define  STM_LCD_CR_BIAS_1_4            0
803 #define  STM_LCD_CR_BIAS_1_2            1
804 #define  STM_LCD_CR_BIAS_1_3            2
805 #define  STM_LCD_CR_BIAS_MASK           3
806
807 #define STM_LCD_CR_DUTY                 (2)
808 #define  STM_LCD_CR_DUTY_STATIC         0
809 #define  STM_LCD_CR_DUTY_1_2            1
810 #define  STM_LCD_CR_DUTY_1_3            2
811 #define  STM_LCD_CR_DUTY_1_4            3
812 #define  STM_LCD_CR_DUTY_1_8            4
813 #define  STM_LCD_CR_DUTY_MASK           7
814
815 #define STM_LCD_CR_VSEL                 (1)
816 #define STM_LCD_CR_LCDEN                (0)
817
818 #define STM_LCD_FCR_PS                  (22)
819 #define  STM_LCD_FCR_PS_1               0x0
820 #define  STM_LCD_FCR_PS_2               0x1
821 #define  STM_LCD_FCR_PS_4               0x2
822 #define  STM_LCD_FCR_PS_8               0x3
823 #define  STM_LCD_FCR_PS_16              0x4
824 #define  STM_LCD_FCR_PS_32              0x5
825 #define  STM_LCD_FCR_PS_64              0x6
826 #define  STM_LCD_FCR_PS_128             0x7
827 #define  STM_LCD_FCR_PS_256             0x8
828 #define  STM_LCD_FCR_PS_512             0x9
829 #define  STM_LCD_FCR_PS_1024            0xa
830 #define  STM_LCD_FCR_PS_2048            0xb
831 #define  STM_LCD_FCR_PS_4096            0xc
832 #define  STM_LCD_FCR_PS_8192            0xd
833 #define  STM_LCD_FCR_PS_16384           0xe
834 #define  STM_LCD_FCR_PS_32768           0xf
835 #define  STM_LCD_FCR_PS_MASK            0xf
836
837 #define STM_LCD_FCR_DIV                 (18)
838 #define STM_LCD_FCR_DIV_16              0x0
839 #define STM_LCD_FCR_DIV_17              0x1
840 #define STM_LCD_FCR_DIV_18              0x2
841 #define STM_LCD_FCR_DIV_19              0x3
842 #define STM_LCD_FCR_DIV_20              0x4
843 #define STM_LCD_FCR_DIV_21              0x5
844 #define STM_LCD_FCR_DIV_22              0x6
845 #define STM_LCD_FCR_DIV_23              0x7
846 #define STM_LCD_FCR_DIV_24              0x8
847 #define STM_LCD_FCR_DIV_25              0x9
848 #define STM_LCD_FCR_DIV_26              0xa
849 #define STM_LCD_FCR_DIV_27              0xb
850 #define STM_LCD_FCR_DIV_28              0xc
851 #define STM_LCD_FCR_DIV_29              0xd
852 #define STM_LCD_FCR_DIV_30              0xe
853 #define STM_LCD_FCR_DIV_31              0xf
854 #define STM_LCD_FCR_DIV_MASK            0xf
855
856 #define STM_LCD_FCR_BLINK               (16)
857 #define  STM_LCD_FCR_BLINK_DISABLE              0
858 #define  STM_LCD_FCR_BLINK_SEG0_COM0            1
859 #define  STM_LCD_FCR_BLINK_SEG0_COMALL          2
860 #define  STM_LCD_FCR_BLINK_SEGALL_COMALL        3
861 #define  STM_LCD_FCR_BLINK_MASK                 3
862
863 #define STM_LCD_FCR_BLINKF              (13)
864 #define  STM_LCD_FCR_BLINKF_8                   0
865 #define  STM_LCD_FCR_BLINKF_16                  1
866 #define  STM_LCD_FCR_BLINKF_32                  2
867 #define  STM_LCD_FCR_BLINKF_64                  3
868 #define  STM_LCD_FCR_BLINKF_128                 4
869 #define  STM_LCD_FCR_BLINKF_256                 5
870 #define  STM_LCD_FCR_BLINKF_512                 6
871 #define  STM_LCD_FCR_BLINKF_1024                7
872 #define  STM_LCD_FCR_BLINKF_MASK                7
873
874 #define STM_LCD_FCR_CC                  (10)
875 #define  STM_LCD_FCR_CC_MASK                    7
876
877 #define STM_LCD_FCR_DEAD                (7)
878 #define  STM_LCD_FCR_DEAD_MASK                  7
879
880 #define STM_LCD_FCR_PON                 (4)
881 #define  STM_LCD_FCR_PON_MASK                   7
882
883 #define STM_LCD_FCR_UDDIE               (3)
884 #define STM_LCD_FCR_SOFIE               (1)
885 #define STM_LCD_FCR_HD                  (0)
886
887 #define STM_LCD_SR_FCRSF                (5)
888 #define STM_LCD_SR_RDY                  (4)
889 #define STM_LCD_SR_UDD                  (3)
890 #define STM_LCD_SR_UDR                  (2)
891 #define STM_LCD_SR_SOF                  (1)
892 #define STM_LCD_SR_ENS                  (0)
893
894 #define STM_LCD_CLR_UDDC                (3)
895 #define STM_LCD_CLR_SOFC                (1)
896
897 /* The SYSTICK starts at 0xe000e010 */
898
899 struct stm_systick {
900         vuint32_t       csr;
901         vuint32_t       rvr;
902         vuint32_t       cvr;
903         vuint32_t       calib;
904 };
905
906 extern struct stm_systick stm_systick;
907
908 #define STM_SYSTICK_CSR_ENABLE          0
909 #define STM_SYSTICK_CSR_TICKINT         1
910 #define STM_SYSTICK_CSR_CLKSOURCE       2
911 #define  STM_SYSTICK_CSR_CLKSOURCE_EXTERNAL             0
912 #define  STM_SYSTICK_CSR_CLKSOURCE_HCLK_8               1
913 #define STM_SYSTICK_CSR_COUNTFLAG       16
914
915 /* The NVIC starts at 0xe000e100, so add that to the offsets to find the absolute address */
916
917 struct stm_nvic {
918         vuint32_t       iser;           /* 0x000 0xe000e100 Set Enable Register */
919
920         uint8_t         _unused020[0x080 - 0x004];
921
922         vuint32_t       icer;           /* 0x080 0xe000e180 Clear Enable Register */
923
924         uint8_t         _unused0a0[0x100 - 0x084];
925
926         vuint32_t       ispr;           /* 0x100 0xe000e200 Set Pending Register */
927
928         uint8_t         _unused120[0x180 - 0x104];
929
930         vuint32_t       icpr;           /* 0x180 0xe000e280 Clear Pending Register */
931
932         uint8_t         _unused1a0[0x300 - 0x184];
933
934         vuint32_t       ipr[8];         /* 0x300 0xe000e400 Priority Register */
935 };
936
937 extern struct stm_nvic stm_nvic;
938
939 #define IRQ_MASK(irq)   (1 << (irq))
940 #define IRQ_BOOL(v,irq) (((v) >> (irq)) & 1)
941
942 static inline void
943 stm_nvic_set_enable(int irq) {
944         stm_nvic.iser = IRQ_MASK(irq);
945 }
946
947 static inline void
948 stm_nvic_clear_enable(int irq) {
949         stm_nvic.icer = IRQ_MASK(irq);
950 }
951
952 static inline int
953 stm_nvic_enabled(int irq) {
954         return IRQ_BOOL(stm_nvic.iser, irq);
955 }
956
957 static inline void
958 stm_nvic_set_pending(int irq) {
959         stm_nvic.ispr = IRQ_MASK(irq);
960 }
961
962 static inline void
963 stm_nvic_clear_pending(int irq) {
964         stm_nvic.icpr = IRQ_MASK(irq);
965 }
966
967 static inline int
968 stm_nvic_pending(int irq) {
969         return IRQ_BOOL(stm_nvic.ispr, irq);
970 }
971
972 #define IRQ_PRIO_REG(irq)       ((irq) >> 2)
973 #define IRQ_PRIO_BIT(irq)       (((irq) & 3) << 3)
974 #define IRQ_PRIO_MASK(irq)      (0xff << IRQ_PRIO_BIT(irq))
975
976 static inline void
977 stm_nvic_set_priority(int irq, uint8_t prio) {
978         int             n = IRQ_PRIO_REG(irq);
979         uint32_t        v;
980
981         v = stm_nvic.ipr[n];
982         v &= ~IRQ_PRIO_MASK(irq);
983         v |= (prio) << IRQ_PRIO_BIT(irq);
984         stm_nvic.ipr[n] = v;
985 }
986
987 static inline uint8_t
988 stm_nvic_get_priority(int irq) {
989         return (stm_nvic.ipr[IRQ_PRIO_REG(irq)] >> IRQ_PRIO_BIT(irq)) & IRQ_PRIO_MASK(0);
990 }
991
992 struct stm_scb {
993         vuint32_t       cpuid;
994         vuint32_t       icsr;
995         vuint32_t       vtor;
996         vuint32_t       aircr;
997
998         vuint32_t       scr;
999         vuint32_t       ccr;
1000         vuint32_t       shpr1;
1001         vuint32_t       shpr2;
1002
1003         vuint32_t       shpr3;
1004         vuint32_t       shcrs;
1005         vuint32_t       cfsr;
1006         vuint32_t       hfsr;
1007
1008         uint32_t        unused_30;
1009         vuint32_t       mmfar;
1010         vuint32_t       bfar;
1011 };
1012
1013 extern struct stm_scb stm_scb;
1014
1015 #define STM_SCB_AIRCR_VECTKEY           16
1016 #define  STM_SCB_AIRCR_VECTKEY_KEY              0x05fa
1017 #define STM_SCB_AIRCR_PRIGROUP          8
1018 #define STM_SCB_AIRCR_SYSRESETREQ       2
1019 #define STM_SCB_AIRCR_VECTCLRACTIVE     1
1020 #define STM_SCB_AIRCR_VECTRESET         0
1021
1022 struct stm_mpu {
1023         vuint32_t       typer;
1024         vuint32_t       cr;
1025         vuint32_t       rnr;
1026         vuint32_t       rbar;
1027
1028         vuint32_t       rasr;
1029         vuint32_t       rbar_a1;
1030         vuint32_t       rasr_a1;
1031         vuint32_t       rbar_a2;
1032         vuint32_t       rasr_a2;
1033         vuint32_t       rbar_a3;
1034         vuint32_t       rasr_a3;
1035 };
1036
1037 extern struct stm_mpu stm_mpu;
1038
1039 #define STM_MPU_TYPER_IREGION   16
1040 #define  STM_MPU_TYPER_IREGION_MASK     0xff
1041 #define STM_MPU_TYPER_DREGION   8
1042 #define  STM_MPU_TYPER_DREGION_MASK     0xff
1043 #define STM_MPU_TYPER_SEPARATE  0
1044
1045 #define STM_MPU_CR_PRIVDEFENA   2
1046 #define STM_MPU_CR_HFNMIENA     1
1047 #define STM_MPU_CR_ENABLE       0
1048
1049 #define STM_MPU_RNR_REGION      0
1050 #define STM_MPU_RNR_REGION_MASK         0xff
1051
1052 #define STM_MPU_RBAR_ADDR       5
1053 #define STM_MPU_RBAR_ADDR_MASK          0x7ffffff
1054
1055 #define STM_MPU_RBAR_VALID      4
1056 #define STM_MPU_RBAR_REGION     0
1057 #define STM_MPU_RBAR_REGION_MASK        0xf
1058
1059 #define STM_MPU_RASR_XN         28
1060 #define STM_MPU_RASR_AP         24
1061 #define  STM_MPU_RASR_AP_NONE_NONE      0
1062 #define  STM_MPU_RASR_AP_RW_NONE        1
1063 #define  STM_MPU_RASR_AP_RW_RO          2
1064 #define  STM_MPU_RASR_AP_RW_RW          3
1065 #define  STM_MPU_RASR_AP_RO_NONE        5
1066 #define  STM_MPU_RASR_AP_RO_RO          6
1067 #define  STM_MPU_RASR_AP_MASK           7
1068 #define STM_MPU_RASR_TEX        19
1069 #define  STM_MPU_RASR_TEX_MASK          7
1070 #define STM_MPU_RASR_S          18
1071 #define STM_MPU_RASR_C          17
1072 #define STM_MPU_RASR_B          16
1073 #define STM_MPU_RASR_SRD        8
1074 #define  STM_MPU_RASR_SRD_MASK          0xff
1075 #define STM_MPU_RASR_SIZE       1
1076 #define  STM_MPU_RASR_SIZE_MASK         0x1f
1077 #define STM_MPU_RASR_ENABLE     0
1078
1079 #define isr(name) void stm_ ## name ## _isr(void);
1080
1081 isr(nmi)
1082 isr(hardfault)
1083 isr(memmanage)
1084 isr(busfault)
1085 isr(usagefault)
1086 isr(svc)
1087 isr(debugmon)
1088 isr(pendsv)
1089 isr(systick)
1090 isr(wwdg)
1091 isr(pvd)
1092 isr(tamper_stamp)
1093 isr(rtc_wkup)
1094 isr(flash)
1095 isr(rcc)
1096 isr(exti0)
1097 isr(exti1)
1098 isr(exti2)
1099 isr(exti3)
1100 isr(exti4)
1101 isr(dma1_channel1)
1102 isr(dma1_channel2)
1103 isr(dma1_channel3)
1104 isr(dma1_channel4)
1105 isr(dma1_channel5)
1106 isr(dma1_channel6)
1107 isr(dma1_channel7)
1108 isr(adc1)
1109 isr(usb_hp)
1110 isr(usb_lp)
1111 isr(dac)
1112 isr(comp)
1113 isr(exti9_5)
1114 isr(lcd)
1115 isr(tim9)
1116 isr(tim10)
1117 isr(tim11)
1118 isr(tim2)
1119 isr(tim3)
1120 isr(tim4)
1121 isr(i2c1_ev)
1122 isr(i2c1_er)
1123 isr(i2c2_ev)
1124 isr(i2c2_er)
1125 isr(spi1)
1126 isr(spi2)
1127 isr(usart1)
1128 isr(usart2)
1129 isr(usart3)
1130 isr(exti15_10)
1131 isr(rtc_alarm)
1132 isr(usb_fs_wkup)
1133 isr(tim6)
1134 isr(tim7)
1135
1136 #undef isr
1137
1138 #define STM_ISR_WWDG_POS                0
1139 #define STM_ISR_PVD_VDDIO2_POS          1
1140 #define STM_ISR_RTC_POS                 2
1141 #define STM_ISR_FLASH_POS               3
1142 #define STM_ISR_RCC_CRS_POS             4
1143 #define STM_ISR_EXTI0_1_POS             5
1144 #define STM_ISR_EXTI2_3_POS             6
1145 #define STM_ISR_EXTI4_15_POS            7
1146 #define STM_ISR_TSC_POS                 8
1147 #define STM_ISR_DMA_CH1_POS             9
1148 #define STM_ISR_DMA_CH2_3_DMA2_CH1_2_POS        10
1149 #define STM_ISR_DMA_CH44_5_6_7_DMA2_CH3_4_5_POS 11
1150 #define STM_ISR_ADC_COMP_POS            12
1151 #define STM_ISR_TIM1_BRK_UP_TRG_COM_POS 13
1152 #define STM_ISR_TIM1_CC_POS             14
1153 #define STM_ISR_TIM2_POS                15
1154 #define STM_ISR_TIM3_POS                16
1155 #define STM_ISR_TIM6_DAC_POS            17
1156 #define STM_ISR_TIM7_POS                18
1157 #define STM_ISR_TIM14_POS               19
1158 #define STM_ISR_TIM15_POS               20
1159 #define STM_ISR_TIM16_POS               21
1160 #define STM_ISR_TIM17_POS               22
1161 #define STM_ISR_I2C1_POS                23
1162 #define STM_ISR_I2C2_POS                24
1163 #define STM_ISR_SPI1_POS                25
1164 #define STM_ISR_SPI2_POS                26
1165 #define STM_ISR_USART1_POS              27
1166 #define STM_ISR_USART2_POS              28
1167 #define STM_ISR_UASART3_4_5_6_7_8_POS   29
1168 #define STM_ISR_CEC_CAN_POS             30
1169 #define STM_ISR_USB_POS                 31
1170
1171 struct stm_syscfg {
1172         vuint32_t       cfgr1;
1173         vuint32_t       exticr[4];
1174         vuint32_t       cfgr2;
1175 };
1176
1177 extern struct stm_syscfg stm_syscfg;
1178
1179 #if 0
1180 static inline void
1181 stm_exticr_set(struct stm_gpio *gpio, int pin) {
1182         uint8_t reg = pin >> 2;
1183         uint8_t shift = (pin & 3) << 2;
1184         uint8_t val = 0;
1185
1186         /* Enable SYSCFG */
1187         stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_SYSCFGCOMPEN);
1188
1189         if (gpio == &stm_gpioa)
1190                 val = STM_SYSCFG_EXTICR_PA;
1191         else if (gpio == &stm_gpiob)
1192                 val = STM_SYSCFG_EXTICR_PB;
1193         else if (gpio == &stm_gpioc)
1194                 val = STM_SYSCFG_EXTICR_PC;
1195         else if (gpio == &stm_gpiof)
1196                 val = STM_SYSCFG_EXTICR_PF;
1197
1198         stm_syscfg.exticr[reg] = (stm_syscfg.exticr[reg] & ~(0xf << shift)) | val << shift;
1199 }
1200 #endif
1201
1202
1203 struct stm_dma_channel {
1204         vuint32_t       ccr;
1205         vuint32_t       cndtr;
1206         vvoid_t         cpar;
1207         vvoid_t         cmar;
1208         vuint32_t       reserved;
1209 };
1210
1211 #define STM_NUM_DMA     7
1212
1213 struct stm_dma {
1214         vuint32_t               isr;
1215         vuint32_t               ifcr;
1216         struct stm_dma_channel  channel[STM_NUM_DMA];
1217 };
1218
1219 extern struct stm_dma stm_dma;
1220
1221 /* DMA channels go from 1 to 7, instead of 0 to 6 (sigh)
1222  */
1223
1224 #define STM_DMA_INDEX(channel)          ((channel) - 1)
1225
1226 #define STM_DMA_ISR(index)              ((index) << 2)
1227 #define STM_DMA_ISR_MASK                        0xf
1228 #define STM_DMA_ISR_TEIF                        3
1229 #define STM_DMA_ISR_HTIF                        2
1230 #define STM_DMA_ISR_TCIF                        1
1231 #define STM_DMA_ISR_GIF                         0
1232
1233 #define STM_DMA_IFCR(index)             ((index) << 2)
1234 #define STM_DMA_IFCR_MASK                       0xf
1235 #define STM_DMA_IFCR_CTEIF                      3
1236 #define STM_DMA_IFCR_CHTIF                      2
1237 #define STM_DMA_IFCR_CTCIF                      1
1238 #define STM_DMA_IFCR_CGIF                       0
1239
1240 #define STM_DMA_CCR_MEM2MEM             (14)
1241
1242 #define STM_DMA_CCR_PL                  (12)
1243 #define  STM_DMA_CCR_PL_LOW                     (0)
1244 #define  STM_DMA_CCR_PL_MEDIUM                  (1)
1245 #define  STM_DMA_CCR_PL_HIGH                    (2)
1246 #define  STM_DMA_CCR_PL_VERY_HIGH               (3)
1247 #define  STM_DMA_CCR_PL_MASK                    (3)
1248
1249 #define STM_DMA_CCR_MSIZE               (10)
1250 #define  STM_DMA_CCR_MSIZE_8                    (0)
1251 #define  STM_DMA_CCR_MSIZE_16                   (1)
1252 #define  STM_DMA_CCR_MSIZE_32                   (2)
1253 #define  STM_DMA_CCR_MSIZE_MASK                 (3)
1254
1255 #define STM_DMA_CCR_PSIZE               (8)
1256 #define  STM_DMA_CCR_PSIZE_8                    (0)
1257 #define  STM_DMA_CCR_PSIZE_16                   (1)
1258 #define  STM_DMA_CCR_PSIZE_32                   (2)
1259 #define  STM_DMA_CCR_PSIZE_MASK                 (3)
1260
1261 #define STM_DMA_CCR_MINC                (7)
1262 #define STM_DMA_CCR_PINC                (6)
1263 #define STM_DMA_CCR_CIRC                (5)
1264 #define STM_DMA_CCR_DIR                 (4)
1265 #define  STM_DMA_CCR_DIR_PER_TO_MEM             0
1266 #define  STM_DMA_CCR_DIR_MEM_TO_PER             1
1267 #define STM_DMA_CCR_TEIE                (3)
1268 #define STM_DMA_CCR_HTIE                (2)
1269 #define STM_DMA_CCR_TCIE                (1)
1270 #define STM_DMA_CCR_EN                  (0)
1271
1272 #define STM_DMA_CHANNEL_ADC1            1
1273 #define STM_DMA_CHANNEL_SPI1_RX         2
1274 #define STM_DMA_CHANNEL_SPI1_TX         3
1275 #define STM_DMA_CHANNEL_SPI2_RX         4
1276 #define STM_DMA_CHANNEL_SPI2_TX         5
1277 #define STM_DMA_CHANNEL_USART3_TX       2
1278 #define STM_DMA_CHANNEL_USART3_RX       3
1279 #define STM_DMA_CHANNEL_USART1_TX       4
1280 #define STM_DMA_CHANNEL_USART1_RX       5
1281 #define STM_DMA_CHANNEL_USART2_RX       6
1282 #define STM_DMA_CHANNEL_USART2_TX       7
1283 #define STM_DMA_CHANNEL_I2C2_TX         4
1284 #define STM_DMA_CHANNEL_I2C2_RX         5
1285 #define STM_DMA_CHANNEL_I2C1_TX         6
1286 #define STM_DMA_CHANNEL_I2C1_RX         7
1287 #define STM_DMA_CHANNEL_TIM2_CH3        1
1288 #define STM_DMA_CHANNEL_TIM2_UP         2
1289 #define STM_DMA_CHANNEL_TIM2_CH1        5
1290 #define STM_DMA_CHANNEL_TIM2_CH2        7
1291 #define STM_DMA_CHANNEL_TIM2_CH4        7
1292 #define STM_DMA_CHANNEL_TIM3_CH3        2
1293 #define STM_DMA_CHANNEL_TIM3_CH4        3
1294 #define STM_DMA_CHANNEL_TIM3_UP         3
1295 #define STM_DMA_CHANNEL_TIM3_CH1        6
1296 #define STM_DMA_CHANNEL_TIM3_TRIG       6
1297 #define STM_DMA_CHANNEL_TIM4_CH1        1
1298 #define STM_DMA_CHANNEL_TIM4_CH2        4
1299 #define STM_DMA_CHANNEL_TIM4_CH3        5
1300 #define STM_DMA_CHANNEL_TIM4_UP         7
1301 #define STM_DMA_CHANNEL_TIM6_UP_DA      2
1302 #define STM_DMA_CHANNEL_C_CHANNEL1      2
1303 #define STM_DMA_CHANNEL_TIM7_UP_DA      3
1304 #define STM_DMA_CHANNEL_C_CHANNEL2      3
1305
1306 /*
1307  * Only spi channel 1 and 2 can use DMA
1308  */
1309 #define STM_NUM_SPI     2
1310
1311 struct stm_spi {
1312         vuint32_t       cr1;
1313         vuint32_t       cr2;
1314         vuint32_t       sr;
1315         vuint32_t       dr;
1316         vuint32_t       crcpr;
1317         vuint32_t       rxcrcr;
1318         vuint32_t       txcrcr;
1319 };
1320
1321 extern struct stm_spi stm_spi1, stm_spi2, stm_spi3;
1322
1323 /* SPI channels go from 1 to 3, instead of 0 to 2 (sigh)
1324  */
1325
1326 #define STM_SPI_INDEX(channel)          ((channel) - 1)
1327
1328 #define STM_SPI_CR1_BIDIMODE            15
1329 #define STM_SPI_CR1_BIDIOE              14
1330 #define STM_SPI_CR1_CRCEN               13
1331 #define STM_SPI_CR1_CRCNEXT             12
1332 #define STM_SPI_CR1_DFF                 11
1333 #define STM_SPI_CR1_RXONLY              10
1334 #define STM_SPI_CR1_SSM                 9
1335 #define STM_SPI_CR1_SSI                 8
1336 #define STM_SPI_CR1_LSBFIRST            7
1337 #define STM_SPI_CR1_SPE                 6
1338 #define STM_SPI_CR1_BR                  3
1339 #define  STM_SPI_CR1_BR_PCLK_2                  0
1340 #define  STM_SPI_CR1_BR_PCLK_4                  1
1341 #define  STM_SPI_CR1_BR_PCLK_8                  2
1342 #define  STM_SPI_CR1_BR_PCLK_16                 3
1343 #define  STM_SPI_CR1_BR_PCLK_32                 4
1344 #define  STM_SPI_CR1_BR_PCLK_64                 5
1345 #define  STM_SPI_CR1_BR_PCLK_128                6
1346 #define  STM_SPI_CR1_BR_PCLK_256                7
1347 #define  STM_SPI_CR1_BR_MASK                    7
1348
1349 #define STM_SPI_CR1_MSTR                2
1350 #define STM_SPI_CR1_CPOL                1
1351 #define STM_SPI_CR1_CPHA                0
1352
1353 #define STM_SPI_CR2_TXEIE       7
1354 #define STM_SPI_CR2_RXNEIE      6
1355 #define STM_SPI_CR2_ERRIE       5
1356 #define STM_SPI_CR2_SSOE        2
1357 #define STM_SPI_CR2_TXDMAEN     1
1358 #define STM_SPI_CR2_RXDMAEN     0
1359
1360 #define STM_SPI_SR_BSY          7
1361 #define STM_SPI_SR_OVR          6
1362 #define STM_SPI_SR_MODF         5
1363 #define STM_SPI_SR_CRCERR       4
1364 #define STM_SPI_SR_TXE          1
1365 #define STM_SPI_SR_RXNE         0
1366
1367 struct stm_adc {
1368         vuint32_t       sr;
1369         vuint32_t       cr1;
1370         vuint32_t       cr2;
1371         vuint32_t       smpr1;
1372         vuint32_t       smpr2;
1373         vuint32_t       smpr3;
1374         vuint32_t       jofr1;
1375         vuint32_t       jofr2;
1376         vuint32_t       jofr3;
1377         vuint32_t       jofr4;
1378         vuint32_t       htr;
1379         vuint32_t       ltr;
1380         vuint32_t       sqr1;
1381         vuint32_t       sqr2;
1382         vuint32_t       sqr3;
1383         vuint32_t       sqr4;
1384         vuint32_t       sqr5;
1385         vuint32_t       jsqr;
1386         vuint32_t       jdr1;
1387         vuint32_t       jdr2;
1388         vuint32_t       jdr3;
1389         vuint32_t       jdr4;
1390         vuint32_t       dr;
1391         uint8_t         reserved[0x300 - 0x5c];
1392         vuint32_t       csr;
1393         vuint32_t       ccr;
1394 };
1395
1396 extern struct stm_adc stm_adc;
1397
1398 #define STM_ADC_SR_JCNR         9
1399 #define STM_ADC_SR_RCNR         8
1400 #define STM_ADC_SR_ADONS        6
1401 #define STM_ADC_SR_OVR          5
1402 #define STM_ADC_SR_STRT         4
1403 #define STM_ADC_SR_JSTRT        3
1404 #define STM_ADC_SR_JEOC         2
1405 #define STM_ADC_SR_EOC          1
1406 #define STM_ADC_SR_AWD          0
1407
1408 #define STM_ADC_CR1_OVRIE       26
1409 #define STM_ADC_CR1_RES         24
1410 #define  STM_ADC_CR1_RES_12             0
1411 #define  STM_ADC_CR1_RES_10             1
1412 #define  STM_ADC_CR1_RES_8              2
1413 #define  STM_ADC_CR1_RES_6              3
1414 #define  STM_ADC_CR1_RES_MASK           3
1415 #define STM_ADC_CR1_AWDEN       23
1416 #define STM_ADC_CR1_JAWDEN      22
1417 #define STM_ADC_CR1_PDI         17
1418 #define STM_ADC_CR1_PDD         16
1419 #define STM_ADC_CR1_DISCNUM     13
1420 #define  STM_ADC_CR1_DISCNUM_1          0
1421 #define  STM_ADC_CR1_DISCNUM_2          1
1422 #define  STM_ADC_CR1_DISCNUM_3          2
1423 #define  STM_ADC_CR1_DISCNUM_4          3
1424 #define  STM_ADC_CR1_DISCNUM_5          4
1425 #define  STM_ADC_CR1_DISCNUM_6          5
1426 #define  STM_ADC_CR1_DISCNUM_7          6
1427 #define  STM_ADC_CR1_DISCNUM_8          7
1428 #define  STM_ADC_CR1_DISCNUM_MASK       7
1429 #define STM_ADC_CR1_JDISCEN     12
1430 #define STM_ADC_CR1_DISCEN      11
1431 #define STM_ADC_CR1_JAUTO       10
1432 #define STM_ADC_CR1_AWDSGL      9
1433 #define STM_ADC_CR1_SCAN        8
1434 #define STM_ADC_CR1_JEOCIE      7
1435 #define STM_ADC_CR1_AWDIE       6
1436 #define STM_ADC_CR1_EOCIE       5
1437 #define STM_ADC_CR1_AWDCH       0
1438 #define  STM_ADC_CR1_AWDCH_MASK         0x1f
1439
1440 #define STM_ADC_CR2_SWSTART     30
1441 #define STM_ADC_CR2_EXTEN       28
1442 #define  STM_ADC_CR2_EXTEN_DISABLE      0
1443 #define  STM_ADC_CR2_EXTEN_RISING       1
1444 #define  STM_ADC_CR2_EXTEN_FALLING      2
1445 #define  STM_ADC_CR2_EXTEN_BOTH         3
1446 #define  STM_ADC_CR2_EXTEN_MASK         3
1447 #define STM_ADC_CR2_EXTSEL      24
1448 #define  STM_ADC_CR2_EXTSEL_TIM9_CC2    0
1449 #define  STM_ADC_CR2_EXTSEL_TIM9_TRGO   1
1450 #define  STM_ADC_CR2_EXTSEL_TIM2_CC3    2
1451 #define  STM_ADC_CR2_EXTSEL_TIM2_CC2    3
1452 #define  STM_ADC_CR2_EXTSEL_TIM3_TRGO   4
1453 #define  STM_ADC_CR2_EXTSEL_TIM4_CC4    5
1454 #define  STM_ADC_CR2_EXTSEL_TIM2_TRGO   6
1455 #define  STM_ADC_CR2_EXTSEL_TIM3_CC1    7
1456 #define  STM_ADC_CR2_EXTSEL_TIM3_CC3    8
1457 #define  STM_ADC_CR2_EXTSEL_TIM4_TRGO   9
1458 #define  STM_ADC_CR2_EXTSEL_TIM6_TRGO   10
1459 #define  STM_ADC_CR2_EXTSEL_EXTI_11     15
1460 #define  STM_ADC_CR2_EXTSEL_MASK        15
1461 #define STM_ADC_CR2_JWSTART     22
1462 #define STM_ADC_CR2_JEXTEN      20
1463 #define  STM_ADC_CR2_JEXTEN_DISABLE     0
1464 #define  STM_ADC_CR2_JEXTEN_RISING      1
1465 #define  STM_ADC_CR2_JEXTEN_FALLING     2
1466 #define  STM_ADC_CR2_JEXTEN_BOTH        3
1467 #define  STM_ADC_CR2_JEXTEN_MASK        3
1468 #define STM_ADC_CR2_JEXTSEL     16
1469 #define  STM_ADC_CR2_JEXTSEL_TIM9_CC1   0
1470 #define  STM_ADC_CR2_JEXTSEL_TIM9_TRGO  1
1471 #define  STM_ADC_CR2_JEXTSEL_TIM2_TRGO  2
1472 #define  STM_ADC_CR2_JEXTSEL_TIM2_CC1   3
1473 #define  STM_ADC_CR2_JEXTSEL_TIM3_CC4   4
1474 #define  STM_ADC_CR2_JEXTSEL_TIM4_TRGO  5
1475 #define  STM_ADC_CR2_JEXTSEL_TIM4_CC1   6
1476 #define  STM_ADC_CR2_JEXTSEL_TIM4_CC2   7
1477 #define  STM_ADC_CR2_JEXTSEL_TIM4_CC3   8
1478 #define  STM_ADC_CR2_JEXTSEL_TIM10_CC1  9
1479 #define  STM_ADC_CR2_JEXTSEL_TIM7_TRGO  10
1480 #define  STM_ADC_CR2_JEXTSEL_EXTI_15    15
1481 #define  STM_ADC_CR2_JEXTSEL_MASK       15
1482 #define STM_ADC_CR2_ALIGN       11
1483 #define STM_ADC_CR2_EOCS        10
1484 #define STM_ADC_CR2_DDS         9
1485 #define STM_ADC_CR2_DMA         8
1486 #define STM_ADC_CR2_DELS        4
1487 #define  STM_ADC_CR2_DELS_NONE          0
1488 #define  STM_ADC_CR2_DELS_UNTIL_READ    1
1489 #define  STM_ADC_CR2_DELS_7             2
1490 #define  STM_ADC_CR2_DELS_15            3
1491 #define  STM_ADC_CR2_DELS_31            4
1492 #define  STM_ADC_CR2_DELS_63            5
1493 #define  STM_ADC_CR2_DELS_127           6
1494 #define  STM_ADC_CR2_DELS_255           7
1495 #define  STM_ADC_CR2_DELS_MASK          7
1496 #define STM_ADC_CR2_CONT        1
1497 #define STM_ADC_CR2_ADON        0
1498
1499 #define STM_ADC_CCR_TSVREFE     23
1500 #define STM_ADC_CCR_ADCPRE      16
1501 #define  STM_ADC_CCR_ADCPRE_HSI_1       0
1502 #define  STM_ADC_CCR_ADCPRE_HSI_2       1
1503 #define  STM_ADC_CCR_ADCPRE_HSI_4       2
1504 #define  STM_ADC_CCR_ADCPRE_MASK        3
1505
1506 struct stm_temp_cal {
1507         uint16_t        vref;
1508         uint16_t        ts_cal_cold;
1509         uint16_t        reserved;
1510         uint16_t        ts_cal_hot;
1511 };
1512
1513 extern struct stm_temp_cal      stm_temp_cal;
1514
1515 #define stm_temp_cal_cold       25
1516 #define stm_temp_cal_hot        110
1517
1518 struct stm_dbg_mcu {
1519         uint32_t        idcode;
1520 };
1521
1522 extern struct stm_dbg_mcu       stm_dbg_mcu;
1523
1524 static inline uint16_t
1525 stm_dev_id(void) {
1526         return stm_dbg_mcu.idcode & 0xfff;
1527 }
1528
1529 struct stm_flash_size {
1530         uint16_t        f_size;
1531 };
1532
1533 extern struct stm_flash_size    stm_flash_size_medium;
1534 extern struct stm_flash_size    stm_flash_size_large;
1535
1536 /* Returns flash size in bytes */
1537 extern uint32_t
1538 stm_flash_size(void);
1539
1540 struct stm_device_id {
1541         uint32_t        u_id0;
1542         uint32_t        u_id1;
1543         uint32_t        u_id2;
1544 };
1545
1546 extern struct stm_device_id     stm_device_id;
1547
1548 #define STM_NUM_I2C     2
1549
1550 #define STM_I2C_INDEX(channel)  ((channel) - 1)
1551
1552 struct stm_i2c {
1553         vuint32_t       cr1;
1554         vuint32_t       cr2;
1555         vuint32_t       oar1;
1556         vuint32_t       oar2;
1557         vuint32_t       dr;
1558         vuint32_t       sr1;
1559         vuint32_t       sr2;
1560         vuint32_t       ccr;
1561         vuint32_t       trise;
1562 };
1563
1564 extern struct stm_i2c stm_i2c1, stm_i2c2;
1565
1566 #define STM_I2C_CR1_SWRST       15
1567 #define STM_I2C_CR1_ALERT       13
1568 #define STM_I2C_CR1_PEC         12
1569 #define STM_I2C_CR1_POS         11
1570 #define STM_I2C_CR1_ACK         10
1571 #define STM_I2C_CR1_STOP        9
1572 #define STM_I2C_CR1_START       8
1573 #define STM_I2C_CR1_NOSTRETCH   7
1574 #define STM_I2C_CR1_ENGC        6
1575 #define STM_I2C_CR1_ENPEC       5
1576 #define STM_I2C_CR1_ENARP       4
1577 #define STM_I2C_CR1_SMBTYPE     3
1578 #define STM_I2C_CR1_SMBUS       1
1579 #define STM_I2C_CR1_PE          0
1580
1581 #define STM_I2C_CR2_LAST        12
1582 #define STM_I2C_CR2_DMAEN       11
1583 #define STM_I2C_CR2_ITBUFEN     10
1584 #define STM_I2C_CR2_ITEVTEN     9
1585 #define STM_I2C_CR2_ITERREN     8
1586 #define STM_I2C_CR2_FREQ        0
1587 #define  STM_I2C_CR2_FREQ_2_MHZ         2
1588 #define  STM_I2C_CR2_FREQ_4_MHZ         4
1589 #define  STM_I2C_CR2_FREQ_8_MHZ         8
1590 #define  STM_I2C_CR2_FREQ_16_MHZ        16
1591 #define  STM_I2C_CR2_FREQ_32_MHZ        32
1592 #define  STM_I2C_CR2_FREQ_MASK          0x3f
1593
1594 #define STM_I2C_SR1_SMBALERT    15
1595 #define STM_I2C_SR1_TIMEOUT     14
1596 #define STM_I2C_SR1_PECERR      12
1597 #define STM_I2C_SR1_OVR         11
1598 #define STM_I2C_SR1_AF          10
1599 #define STM_I2C_SR1_ARLO        9
1600 #define STM_I2C_SR1_BERR        8
1601 #define STM_I2C_SR1_TXE         7
1602 #define STM_I2C_SR1_RXNE        6
1603 #define STM_I2C_SR1_STOPF       4
1604 #define STM_I2C_SR1_ADD10       3
1605 #define STM_I2C_SR1_BTF         2
1606 #define STM_I2C_SR1_ADDR        1
1607 #define STM_I2C_SR1_SB          0
1608
1609 #define STM_I2C_SR2_PEC         8
1610 #define  STM_I2C_SR2_PEC_MASK   0xff00
1611 #define STM_I2C_SR2_DUALF       7
1612 #define STM_I2C_SR2_SMBHOST     6
1613 #define STM_I2C_SR2_SMBDEFAULT  5
1614 #define STM_I2C_SR2_GENCALL     4
1615 #define STM_I2C_SR2_TRA         2
1616 #define STM_I2C_SR2_BUSY        1
1617 #define STM_I2C_SR2_MSL         0
1618
1619 #define STM_I2C_CCR_FS          15
1620 #define STM_I2C_CCR_DUTY        14
1621 #define STM_I2C_CCR_CCR         0
1622 #define  STM_I2C_CCR_MASK       0x7ff
1623
1624 struct stm_tim234 {
1625         vuint32_t       cr1;
1626         vuint32_t       cr2;
1627         vuint32_t       smcr;
1628         vuint32_t       dier;
1629
1630         vuint32_t       sr;
1631         vuint32_t       egr;
1632         vuint32_t       ccmr1;
1633         vuint32_t       ccmr2;
1634
1635         vuint32_t       ccer;
1636         vuint32_t       cnt;
1637         vuint32_t       psc;
1638         vuint32_t       arr;
1639
1640         uint32_t        reserved_30;
1641         vuint32_t       ccr1;
1642         vuint32_t       ccr2;
1643         vuint32_t       ccr3;
1644
1645         vuint32_t       ccr4;
1646         uint32_t        reserved_44;
1647         vuint32_t       dcr;
1648         vuint32_t       dmar;
1649
1650         uint32_t        reserved_50;
1651 };
1652
1653 extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
1654
1655 #define STM_TIM234_CR1_CKD      8
1656 #define  STM_TIM234_CR1_CKD_1           0
1657 #define  STM_TIM234_CR1_CKD_2           1
1658 #define  STM_TIM234_CR1_CKD_4           2
1659 #define  STM_TIM234_CR1_CKD_MASK        3
1660 #define STM_TIM234_CR1_ARPE     7
1661 #define STM_TIM234_CR1_CMS      5
1662 #define  STM_TIM234_CR1_CMS_EDGE        0
1663 #define  STM_TIM234_CR1_CMS_CENTER_1    1
1664 #define  STM_TIM234_CR1_CMS_CENTER_2    2
1665 #define  STM_TIM234_CR1_CMS_CENTER_3    3
1666 #define  STM_TIM234_CR1_CMS_MASK        3
1667 #define STM_TIM234_CR1_DIR      4
1668 #define  STM_TIM234_CR1_DIR_UP          0
1669 #define  STM_TIM234_CR1_DIR_DOWN        1
1670 #define STM_TIM234_CR1_OPM      3
1671 #define STM_TIM234_CR1_URS      2
1672 #define STM_TIM234_CR1_UDIS     1
1673 #define STM_TIM234_CR1_CEN      0
1674
1675 #define STM_TIM234_CR2_TI1S     7
1676 #define STM_TIM234_CR2_MMS      4
1677 #define  STM_TIM234_CR2_MMS_RESET               0
1678 #define  STM_TIM234_CR2_MMS_ENABLE              1
1679 #define  STM_TIM234_CR2_MMS_UPDATE              2
1680 #define  STM_TIM234_CR2_MMS_COMPARE_PULSE       3
1681 #define  STM_TIM234_CR2_MMS_COMPARE_OC1REF      4
1682 #define  STM_TIM234_CR2_MMS_COMPARE_OC2REF      5
1683 #define  STM_TIM234_CR2_MMS_COMPARE_OC3REF      6
1684 #define  STM_TIM234_CR2_MMS_COMPARE_OC4REF      7
1685 #define  STM_TIM234_CR2_MMS_MASK                7
1686 #define STM_TIM234_CR2_CCDS     3
1687
1688 #define STM_TIM234_SMCR_ETP     15
1689 #define STM_TIM234_SMCR_ECE     14
1690 #define STM_TIM234_SMCR_ETPS    12
1691 #define  STM_TIM234_SMCR_ETPS_OFF               0
1692 #define  STM_TIM234_SMCR_ETPS_DIV_2             1
1693 #define  STM_TIM234_SMCR_ETPS_DIV_4             2
1694 #define  STM_TIM234_SMCR_ETPS_DIV_8             3
1695 #define  STM_TIM234_SMCR_ETPS_MASK              3
1696 #define STM_TIM234_SMCR_ETF     8
1697 #define  STM_TIM234_SMCR_ETF_NONE               0
1698 #define  STM_TIM234_SMCR_ETF_INT_N_2            1
1699 #define  STM_TIM234_SMCR_ETF_INT_N_4            2
1700 #define  STM_TIM234_SMCR_ETF_INT_N_8            3
1701 #define  STM_TIM234_SMCR_ETF_DTS_2_N_6          4
1702 #define  STM_TIM234_SMCR_ETF_DTS_2_N_8          5
1703 #define  STM_TIM234_SMCR_ETF_DTS_4_N_6          6
1704 #define  STM_TIM234_SMCR_ETF_DTS_4_N_8          7
1705 #define  STM_TIM234_SMCR_ETF_DTS_8_N_6          8
1706 #define  STM_TIM234_SMCR_ETF_DTS_8_N_8          9
1707 #define  STM_TIM234_SMCR_ETF_DTS_16_N_5         10
1708 #define  STM_TIM234_SMCR_ETF_DTS_16_N_6         11
1709 #define  STM_TIM234_SMCR_ETF_DTS_16_N_8         12
1710 #define  STM_TIM234_SMCR_ETF_DTS_32_N_5         13
1711 #define  STM_TIM234_SMCR_ETF_DTS_32_N_6         14
1712 #define  STM_TIM234_SMCR_ETF_DTS_32_N_8         15
1713 #define  STM_TIM234_SMCR_ETF_MASK               15
1714 #define STM_TIM234_SMCR_MSM     7
1715 #define STM_TIM234_SMCR_TS      4
1716 #define  STM_TIM234_SMCR_TS_ITR0                0
1717 #define  STM_TIM234_SMCR_TS_ITR1                1
1718 #define  STM_TIM234_SMCR_TS_ITR2                2
1719 #define  STM_TIM234_SMCR_TS_ITR3                3
1720 #define  STM_TIM234_SMCR_TS_TI1F_ED             4
1721 #define  STM_TIM234_SMCR_TS_TI1FP1              5
1722 #define  STM_TIM234_SMCR_TS_TI2FP2              6
1723 #define  STM_TIM234_SMCR_TS_ETRF                7
1724 #define  STM_TIM234_SMCR_TS_MASK                7
1725 #define STM_TIM234_SMCR_OCCS    3
1726 #define STM_TIM234_SMCR_SMS     0
1727 #define  STM_TIM234_SMCR_SMS_DISABLE            0
1728 #define  STM_TIM234_SMCR_SMS_ENCODER_MODE_1     1
1729 #define  STM_TIM234_SMCR_SMS_ENCODER_MODE_2     2
1730 #define  STM_TIM234_SMCR_SMS_ENCODER_MODE_3     3
1731 #define  STM_TIM234_SMCR_SMS_RESET_MODE         4
1732 #define  STM_TIM234_SMCR_SMS_GATED_MODE         5
1733 #define  STM_TIM234_SMCR_SMS_TRIGGER_MODE       6
1734 #define  STM_TIM234_SMCR_SMS_EXTERNAL_CLOCK     7
1735 #define  STM_TIM234_SMCR_SMS_MASK               7
1736
1737 #define STM_TIM234_SR_CC4OF     12
1738 #define STM_TIM234_SR_CC3OF     11
1739 #define STM_TIM234_SR_CC2OF     10
1740 #define STM_TIM234_SR_CC1OF     9
1741 #define STM_TIM234_SR_TIF       6
1742 #define STM_TIM234_SR_CC4IF     4
1743 #define STM_TIM234_SR_CC3IF     3
1744 #define STM_TIM234_SR_CC2IF     2
1745 #define STM_TIM234_SR_CC1IF     1
1746 #define STM_TIM234_SR_UIF       0
1747
1748 #define STM_TIM234_EGR_TG       6
1749 #define STM_TIM234_EGR_CC4G     4
1750 #define STM_TIM234_EGR_CC3G     3
1751 #define STM_TIM234_EGR_CC2G     2
1752 #define STM_TIM234_EGR_CC1G     1
1753 #define STM_TIM234_EGR_UG       0
1754
1755 #define STM_TIM234_CCMR1_OC2CE  15
1756 #define STM_TIM234_CCMR1_OC2M   12
1757 #define  STM_TIM234_CCMR1_OC2M_FROZEN                   0
1758 #define  STM_TIM234_CCMR1_OC2M_SET_HIGH_ON_MATCH        1
1759 #define  STM_TIM234_CCMR1_OC2M_SET_LOW_ON_MATCH         2
1760 #define  STM_TIM234_CCMR1_OC2M_TOGGLE                   3
1761 #define  STM_TIM234_CCMR1_OC2M_FORCE_LOW                4
1762 #define  STM_TIM234_CCMR1_OC2M_FORCE_HIGH               5
1763 #define  STM_TIM234_CCMR1_OC2M_PWM_MODE_1               6
1764 #define  STM_TIM234_CCMR1_OC2M_PWM_MODE_2               7
1765 #define  STM_TIM234_CCMR1_OC2M_MASK                     7
1766 #define STM_TIM234_CCMR1_OC2PE  11
1767 #define STM_TIM234_CCMR1_OC2FE  10
1768 #define STM_TIM234_CCMR1_CC2S   8
1769 #define  STM_TIM234_CCMR1_CC2S_OUTPUT                   0
1770 #define  STM_TIM234_CCMR1_CC2S_INPUT_TI2                1
1771 #define  STM_TIM234_CCMR1_CC2S_INPUT_TI1                2
1772 #define  STM_TIM234_CCMR1_CC2S_INPUT_TRC                3
1773 #define  STM_TIM234_CCMR1_CC2S_MASK                     3
1774
1775 #define STM_TIM234_CCMR1_OC1CE  7
1776 #define STM_TIM234_CCMR1_OC1M   4
1777 #define  STM_TIM234_CCMR1_OC1M_FROZEN                   0
1778 #define  STM_TIM234_CCMR1_OC1M_SET_HIGH_ON_MATCH        1
1779 #define  STM_TIM234_CCMR1_OC1M_SET_LOW_ON_MATCH         2
1780 #define  STM_TIM234_CCMR1_OC1M_TOGGLE                   3
1781 #define  STM_TIM234_CCMR1_OC1M_FORCE_LOW                4
1782 #define  STM_TIM234_CCMR1_OC1M_FORCE_HIGH               5
1783 #define  STM_TIM234_CCMR1_OC1M_PWM_MODE_1               6
1784 #define  STM_TIM234_CCMR1_OC1M_PWM_MODE_2               7
1785 #define  STM_TIM234_CCMR1_OC1M_MASK                     7
1786 #define STM_TIM234_CCMR1_OC1PE  11
1787 #define STM_TIM234_CCMR1_OC1FE  2
1788 #define STM_TIM234_CCMR1_CC1S   0
1789 #define  STM_TIM234_CCMR1_CC1S_OUTPUT                   0
1790 #define  STM_TIM234_CCMR1_CC1S_INPUT_TI1                1
1791 #define  STM_TIM234_CCMR1_CC1S_INPUT_TI2                2
1792 #define  STM_TIM234_CCMR1_CC1S_INPUT_TRC                3
1793 #define  STM_TIM234_CCMR1_CC1S_MASK                     3
1794
1795 #define STM_TIM234_CCMR2_OC4CE  15
1796 #define STM_TIM234_CCMR2_OC4M   12
1797 #define  STM_TIM234_CCMR2_OC4M_FROZEN                   0
1798 #define  STM_TIM234_CCMR2_OC4M_SET_HIGH_ON_MATCH        1
1799 #define  STM_TIM234_CCMR2_OC4M_SET_LOW_ON_MATCH         2
1800 #define  STM_TIM234_CCMR2_OC4M_TOGGLE                   3
1801 #define  STM_TIM234_CCMR2_OC4M_FORCE_LOW                4
1802 #define  STM_TIM234_CCMR2_OC4M_FORCE_HIGH               5
1803 #define  STM_TIM234_CCMR2_OC4M_PWM_MODE_1               6
1804 #define  STM_TIM234_CCMR2_OC4M_PWM_MODE_2               7
1805 #define  STM_TIM234_CCMR2_OC4M_MASK                     7
1806 #define STM_TIM234_CCMR2_OC4PE  11
1807 #define STM_TIM234_CCMR2_OC4FE  10
1808 #define STM_TIM234_CCMR2_CC4S   8
1809 #define  STM_TIM234_CCMR2_CC4S_OUTPUT                   0
1810 #define  STM_TIM234_CCMR2_CC4S_INPUT_TI4                1
1811 #define  STM_TIM234_CCMR2_CC4S_INPUT_TI3                2
1812 #define  STM_TIM234_CCMR2_CC4S_INPUT_TRC                3
1813 #define  STM_TIM234_CCMR2_CC4S_MASK                     3
1814
1815 #define STM_TIM234_CCMR2_OC3CE  7
1816 #define STM_TIM234_CCMR2_OC3M   4
1817 #define  STM_TIM234_CCMR2_OC3M_FROZEN                   0
1818 #define  STM_TIM234_CCMR2_OC3M_SET_HIGH_ON_MATCH        1
1819 #define  STM_TIM234_CCMR2_OC3M_SET_LOW_ON_MATCH         2
1820 #define  STM_TIM234_CCMR2_OC3M_TOGGLE                   3
1821 #define  STM_TIM234_CCMR2_OC3M_FORCE_LOW                4
1822 #define  STM_TIM234_CCMR2_OC3M_FORCE_HIGH               5
1823 #define  STM_TIM234_CCMR2_OC3M_PWM_MODE_1               6
1824 #define  STM_TIM234_CCMR2_OC3M_PWM_MODE_2               7
1825 #define  STM_TIM234_CCMR2_OC3M_MASK                     7
1826 #define STM_TIM234_CCMR2_OC3PE  11
1827 #define STM_TIM234_CCMR2_OC3FE  2
1828 #define STM_TIM234_CCMR2_CC3S   0
1829 #define  STM_TIM234_CCMR2_CC3S_OUTPUT                   0
1830 #define  STM_TIM234_CCMR2_CC3S_INPUT_TI3                1
1831 #define  STM_TIM234_CCMR2_CC3S_INPUT_TI4                2
1832 #define  STM_TIM234_CCMR2_CC3S_INPUT_TRC                3
1833 #define  STM_TIM234_CCMR2_CC3S_MASK                     3
1834
1835 #define STM_TIM234_CCER_CC4NP   15
1836 #define STM_TIM234_CCER_CC4P    13
1837 #define STM_TIM234_CCER_CC4E    12
1838 #define STM_TIM234_CCER_CC3NP   11
1839 #define STM_TIM234_CCER_CC3P    9
1840 #define STM_TIM234_CCER_CC3E    8
1841 #define STM_TIM234_CCER_CC2NP   7
1842 #define STM_TIM234_CCER_CC2P    5
1843 #define STM_TIM234_CCER_CC2E    4
1844 #define STM_TIM234_CCER_CC1NP   3
1845 #define STM_TIM234_CCER_CC1P    1
1846 #define STM_TIM234_CCER_CC1E    0
1847
1848 struct stm_usb {
1849         struct {
1850                 vuint16_t       r;
1851                 uint16_t        _;
1852         } epr[8];
1853         uint8_t         reserved_20[0x40 - 0x20];
1854         vuint16_t       cntr;
1855         uint16_t        reserved_42;
1856         vuint16_t       istr;
1857         uint16_t        reserved_46;
1858         vuint16_t       fnr;
1859         uint16_t        reserved_4a;
1860         vuint16_t       daddr;
1861         uint16_t        reserved_4e;
1862         vuint16_t       btable;
1863         uint16_t        reserved_52;
1864         vuint16_t       lpmcsr;
1865         uint16_t        reserved_56;
1866         vuint16_t       bcdr;
1867         uint16_t        reserved_5a;
1868 };
1869
1870 extern struct stm_usb stm_usb;
1871
1872 #define STM_USB_EPR_CTR_RX      15
1873 #define  STM_USB_EPR_CTR_RX_WRITE_INVARIANT             1
1874 #define STM_USB_EPR_DTOG_RX     14
1875 #define STM_USB_EPR_DTOG_RX_WRITE_INVARIANT             0
1876 #define STM_USB_EPR_STAT_RX     12
1877 #define  STM_USB_EPR_STAT_RX_DISABLED                   0
1878 #define  STM_USB_EPR_STAT_RX_STALL                      1
1879 #define  STM_USB_EPR_STAT_RX_NAK                        2
1880 #define  STM_USB_EPR_STAT_RX_VALID                      3
1881 #define  STM_USB_EPR_STAT_RX_MASK                       3
1882 #define  STM_USB_EPR_STAT_RX_WRITE_INVARIANT            0
1883 #define STM_USB_EPR_SETUP       11
1884 #define STM_USB_EPR_EP_TYPE     9
1885 #define  STM_USB_EPR_EP_TYPE_BULK                       0
1886 #define  STM_USB_EPR_EP_TYPE_CONTROL                    1
1887 #define  STM_USB_EPR_EP_TYPE_ISO                        2
1888 #define  STM_USB_EPR_EP_TYPE_INTERRUPT                  3
1889 #define  STM_USB_EPR_EP_TYPE_MASK                       3
1890 #define STM_USB_EPR_EP_KIND     8
1891 #define  STM_USB_EPR_EP_KIND_DBL_BUF                    1       /* Bulk */
1892 #define  STM_USB_EPR_EP_KIND_STATUS_OUT                 1       /* Control */
1893 #define STM_USB_EPR_CTR_TX      7
1894 #define  STM_USB_CTR_TX_WRITE_INVARIANT                 1
1895 #define STM_USB_EPR_DTOG_TX     6
1896 #define  STM_USB_EPR_DTOG_TX_WRITE_INVARIANT            0
1897 #define STM_USB_EPR_STAT_TX     4
1898 #define  STM_USB_EPR_STAT_TX_DISABLED                   0
1899 #define  STM_USB_EPR_STAT_TX_STALL                      1
1900 #define  STM_USB_EPR_STAT_TX_NAK                        2
1901 #define  STM_USB_EPR_STAT_TX_VALID                      3
1902 #define  STM_USB_EPR_STAT_TX_WRITE_INVARIANT            0
1903 #define  STM_USB_EPR_STAT_TX_MASK                       3
1904 #define STM_USB_EPR_EA          0
1905 #define  STM_USB_EPR_EA_MASK                            0xf
1906
1907 #define STM_USB_CNTR_CTRM       15
1908 #define STM_USB_CNTR_PMAOVRM    14
1909 #define STM_USB_CNTR_ERRM       13
1910 #define STM_USB_CNTR_WKUPM      12
1911 #define STM_USB_CNTR_SUSPM      11
1912 #define STM_USB_CNTR_RESETM     10
1913 #define STM_USB_CNTR_SOFM       9
1914 #define STM_USB_CNTR_ESOFM      8
1915 #define STM_USB_CNTR_RESUME     4
1916 #define STM_USB_CNTR_FSUSP      3
1917 #define STM_USB_CNTR_LP_MODE    2
1918 #define STM_USB_CNTR_PDWN       1
1919 #define STM_USB_CNTR_FRES       0
1920
1921 #define STM_USB_ISTR_CTR        15
1922 #define STM_USB_ISTR_PMAOVR     14
1923 #define STM_USB_ISTR_ERR        13
1924 #define STM_USB_ISTR_WKUP       12
1925 #define STM_USB_ISTR_SUSP       11
1926 #define STM_USB_ISTR_RESET      10
1927 #define STM_USB_ISTR_SOF        9
1928 #define STM_USB_ISTR_ESOF       8
1929 #define STM_USB_L1REQ           7
1930 #define STM_USB_ISTR_DIR        4
1931 #define STM_USB_ISTR_EP_ID      0
1932 #define  STM_USB_ISTR_EP_ID_MASK                0xf
1933
1934 #define STM_USB_FNR_RXDP        15
1935 #define STM_USB_FNR_RXDM        14
1936 #define STM_USB_FNR_LCK         13
1937 #define STM_USB_FNR_LSOF        11
1938 #define  STM_USB_FNR_LSOF_MASK                  0x3
1939 #define STM_USB_FNR_FN          0
1940 #define  STM_USB_FNR_FN_MASK                    0x7ff
1941
1942 #define STM_USB_DADDR_EF        7
1943 #define STM_USB_DADDR_ADD       0
1944 #define  STM_USB_DADDR_ADD_MASK                 0x7f
1945
1946 #define STM_USB_BCDR_DPPU       15
1947 #define STM_USB_BCDR_PS2DET     7
1948 #define STM_USB_BCDR_SDET       6
1949 #define STM_USB_BCDR_PDET       5
1950 #define STM_USB_BCDR_DCDET      4
1951 #define STM_USB_BCDR_SDEN       3
1952 #define STM_USB_BCDR_PDEN       2
1953 #define STM_USB_BCDR_DCDEN      1
1954 #define STM_USB_BCDR_BCDEN      0
1955
1956 union stm_usb_bdt {
1957         struct {
1958                 vuint16_t       addr_tx;
1959                 vuint16_t       count_tx;
1960                 vuint16_t       addr_rx;
1961                 vuint16_t       count_rx;
1962         } single;
1963         struct {
1964                 vuint16_t       addr;
1965                 vuint16_t       count;
1966         } double_tx[2];
1967         struct {
1968                 vuint16_t       addr;
1969                 vuint16_t       count;
1970         } double_rx[2];
1971 };
1972
1973 #define STM_USB_BDT_COUNT_RX_BL_SIZE    15
1974 #define STM_USB_BDT_COUNT_RX_NUM_BLOCK  10
1975 #define  STM_USB_BDT_COUNT_RX_NUM_BLOCK_MASK    0x1f
1976 #define STM_USB_BDT_COUNT_RX_COUNT_RX   0
1977 #define  STM_USB_BDT_COUNT_RX_COUNT_RX_MASK     0x1ff
1978
1979 #define STM_USB_BDT_SIZE        8
1980
1981 extern uint8_t stm_usb_sram[];
1982
1983 struct stm_exti {
1984         vuint32_t       imr;
1985         vuint32_t       emr;
1986         vuint32_t       rtsr;
1987         vuint32_t       ftsr;
1988
1989         vuint32_t       swier;
1990         vuint32_t       pr;
1991 };
1992
1993 extern struct stm_exti stm_exti;
1994
1995 #endif /* _STM32F0_H_ */