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   1 /*
   2  * Copyright © 2012 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 _STM32L_H_
  19 #define _STM32L_H_
  20
  21 #include <stdint.h>
  22
  23 typedef volatile uint32_t       vuint32_t;
  24 typedef volatile void *         vvoid_t;
  25
  26 struct stm_gpio {
  27         vuint32_t       moder;
  28         vuint32_t       otyper;
  29         vuint32_t       ospeedr;
  30         vuint32_t       pupdr;
  31
  32         vuint32_t       idr;
  33         vuint32_t       odr;
  34         vuint32_t       bsrr;
  35         vuint32_t       lckr;
  36
  37         vuint32_t       afrl;
  38         vuint32_t       afrh;
  39 };
  40
  41 #define STM_MODER_SHIFT(pin)            ((pin) << 1)
  42 #define STM_MODER_MASK                  3
  43 #define STM_MODER_INPUT                 0
  44 #define STM_MODER_OUTPUT                1
  45 #define STM_MODER_ALTERNATE             2
  46 #define STM_MODER_ANALOG                3
  47
  48 static inline void
  49 stm_moder_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
  50         gpio->moder = ((gpio->moder &
  51                         ~(STM_MODER_MASK << STM_MODER_SHIFT(pin))) |
  52                        value << STM_MODER_SHIFT(pin));
  53 }
  54
  55 static inline vuint32_t
  56 stm_moder_get(struct stm_gpio *gpio, int pin) {
  57         return (gpio->moder >> STM_MODER_SHIFT(pin)) & STM_MODER_MASK;
  58 }
  59
  60 #define STM_OTYPER_SHIFT(pin)           (pin)
  61 #define STM_OTYPER_MASK                 1
  62 #define STM_OTYPER_PUSH_PULL            0
  63 #define STM_OTYPER_OPEN_DRAIN           1
  64
  65 static inline void
  66 stm_otyper_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
  67         gpio->otyper = ((gpio->otyper &
  68                          ~(STM_OTYPER_MASK << STM_OTYPER_SHIFT(pin))) |
  69                         value << STM_OTYPER_SHIFT(pin));
  70 }
  71
  72 static inline vuint32_t
  73 stm_otyper_get(struct stm_gpio *gpio, int pin) {
  74         return (gpio->otyper >> STM_OTYPER_SHIFT(pin)) & STM_OTYPER_MASK;
  75 }
  76
  77 #define STM_OSPEEDR_SHIFT(pin)          ((pin) << 1)
  78 #define STM_OSPEEDR_MASK                3
  79 #define STM_OSPEEDR_400kHz              0
  80 #define STM_OSPEEDR_2MHz                1
  81 #define STM_OSPEEDR_10MHz               2
  82 #define STM_OSPEEDR_40MHz               3
  83
  84 static inline void
  85 stm_ospeedr_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
  86         gpio->ospeedr = ((gpio->ospeedr &
  87                         ~(STM_OSPEEDR_MASK << STM_OSPEEDR_SHIFT(pin))) |
  88                        value << STM_OSPEEDR_SHIFT(pin));
  89 }
  90
  91 static inline vuint32_t
  92 stm_ospeedr_get(struct stm_gpio *gpio, int pin) {
  93         return (gpio->ospeedr >> STM_OSPEEDR_SHIFT(pin)) & STM_OSPEEDR_MASK;
  94 }
  95
  96 #define STM_PUPDR_SHIFT(pin)            ((pin) << 1)
  97 #define STM_PUPDR_MASK                  3
  98 #define STM_PUPDR_NONE                  0
  99 #define STM_PUPDR_PULL_UP               1
 100 #define STM_PUPDR_PULL_DOWN             2
 101 #define STM_PUPDR_RESERVED              3
 102
 103 static inline void
 104 stm_pupdr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
 105         gpio->pupdr = ((gpio->pupdr &
 106                         ~(STM_PUPDR_MASK << STM_PUPDR_SHIFT(pin))) |
 107                        value << STM_PUPDR_SHIFT(pin));
 108 }
 109
 110 static inline uint32_t
 111 stm_pupdr_get(struct stm_gpio *gpio, int pin) {
 112         return (gpio->pupdr >> STM_PUPDR_SHIFT(pin)) & STM_PUPDR_MASK;
 113 }
 114
 115 #define STM_AFR_SHIFT(pin)              ((pin) << 2)
 116 #define STM_AFR_MASK                    0xf
 117 #define STM_AFR_NONE                    0
 118 #define STM_AFR_AF0                     0x0
 119 #define STM_AFR_AF1                     0x1
 120 #define STM_AFR_AF2                     0x2
 121 #define STM_AFR_AF3                     0x3
 122 #define STM_AFR_AF4                     0x4
 123 #define STM_AFR_AF5                     0x5
 124 #define STM_AFR_AF6                     0x6
 125 #define STM_AFR_AF7                     0x7
 126 #define STM_AFR_AF8                     0x8
 127 #define STM_AFR_AF9                     0x9
 128 #define STM_AFR_AF10                    0xa
 129 #define STM_AFR_AF11                    0xb
 130 #define STM_AFR_AF12                    0xc
 131 #define STM_AFR_AF13                    0xd
 132 #define STM_AFR_AF14                    0xe
 133 #define STM_AFR_AF15                    0xf
 134
 135 static inline void
 136 stm_afr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
 137         /*
 138          * Set alternate pin mode too
 139          */
 140         stm_moder_set(gpio, pin, STM_MODER_ALTERNATE);
 141         if (pin < 8)
 142                 gpio->afrl = ((gpio->afrl &
 143                                ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
 144                               value << STM_AFR_SHIFT(pin));
 145         else {
 146                 pin -= 8;
 147                 gpio->afrh = ((gpio->afrh &
 148                                ~(STM_AFR_MASK << STM_AFR_SHIFT(pin))) |
 149                               value << STM_AFR_SHIFT(pin));
 150         }
 151 }
 152
 153 static inline uint32_t
 154 stm_afr_get(struct stm_gpio *gpio, int pin) {
 155         if (pin < 8)
 156                 return (gpio->afrl >> STM_AFR_SHIFT(pin)) & STM_AFR_MASK;
 157         else {
 158                 pin -= 8;
 159                 return (gpio->afrh >> STM_AFR_SHIFT(pin)) & STM_AFR_MASK;
 160         }
 161 }
 162
 163 static inline void
 164 stm_gpio_set(struct stm_gpio *gpio, int pin, uint8_t value) {
 165         /* Use the bit set/reset register to do this atomically */
 166         gpio->bsrr = ((uint32_t) (value ^ 1) << (pin + 16)) | ((uint32_t) value << pin);
 167 }
 168
 169 static inline uint8_t
 170 stm_gpio_isset(struct stm_gpio *gpio, int pin) {
 171         return (gpio->idr >> pin) & 1;
 172 }
 173
 174 extern struct stm_gpio stm_gpioa;
 175 extern struct stm_gpio stm_gpiob;
 176 extern struct stm_gpio stm_gpioc;
 177 extern struct stm_gpio stm_gpiod;
 178 extern struct stm_gpio stm_gpioe;
 179 extern struct stm_gpio stm_gpioh;
 180
 181 struct stm_usart {
 182         vuint32_t       sr;     /* status register */
 183         vuint32_t       dr;     /* data register */
 184         vuint32_t       brr;    /* baud rate register */
 185         vuint32_t       cr1;    /* control register 1 */
 186
 187         vuint32_t       cr2;    /* control register 2 */
 188         vuint32_t       cr3;    /* control register 3 */
 189         vuint32_t       gtpr;   /* guard time and prescaler */
 190 };
 191
 192 extern struct stm_usart stm_usart1;
 193 extern struct stm_usart stm_usart2;
 194 extern struct stm_usart stm_usart3;
 195
 196 #define STM_USART_SR_CTS        (9)     /* CTS flag */
 197 #define STM_USART_SR_LBD        (8)     /* LIN break detection flag */
 198 #define STM_USART_SR_TXE        (7)     /* Transmit data register empty */
 199 #define STM_USART_SR_TC         (6)     /* Transmission complete */
 200 #define STM_USART_SR_RXNE       (5)     /* Read data register not empty */
 201 #define STM_USART_SR_IDLE       (4)     /* IDLE line detected */
 202 #define STM_USART_SR_ORE        (3)     /* Overrun error */
 203 #define STM_USART_SR_NF         (2)     /* Noise detected flag */
 204 #define STM_USART_SR_FE         (1)     /* Framing error */
 205 #define STM_USART_SR_PE         (0)     /* Parity error */
 206
 207 #define STM_USART_CR1_OVER8     (15)    /* Oversampling mode */
 208 #define STM_USART_CR1_UE        (13)    /* USART enable */
 209 #define STM_USART_CR1_M         (12)    /* Word length */
 210 #define STM_USART_CR1_WAKE      (11)    /* Wakeup method */
 211 #define STM_USART_CR1_PCE       (10)    /* Parity control enable */
 212 #define STM_USART_CR1_PS        (9)     /* Parity selection */
 213 #define STM_USART_CR1_PEIE      (8)     /* PE interrupt enable */
 214 #define STM_USART_CR1_TXEIE     (7)     /* TXE interrupt enable */
 215 #define STM_USART_CR1_TCIE      (6)     /* Transmission complete interrupt enable */
 216 #define STM_USART_CR1_RXNEIE    (5)     /* RXNE interrupt enable */
 217 #define STM_USART_CR1_IDLEIE    (4)     /* IDLE interrupt enable */
 218 #define STM_USART_CR1_TE        (3)     /* Transmitter enable */
 219 #define STM_USART_CR1_RE        (2)     /* Receiver enable */
 220 #define STM_USART_CR1_RWU       (1)     /* Receiver wakeup */
 221 #define STM_USART_CR1_SBK       (0)     /* Send break */
 222
 223 #define STM_USART_CR2_LINEN     (14)    /* LIN mode enable */
 224 #define STM_USART_CR2_STOP      (12)    /* STOP bits */
 225 #define STM_USART_CR2_STOP_MASK 3
 226 #define STM_USART_CR2_STOP_1    0
 227 #define STM_USART_CR2_STOP_0_5  1
 228 #define STM_USART_CR2_STOP_2    2
 229 #define STM_USART_CR2_STOP_1_5  3
 230
 231 #define STM_USART_CR2_CLKEN     (11)    /* Clock enable */
 232 #define STM_USART_CR2_CPOL      (10)    /* Clock polarity */
 233 #define STM_USART_CR2_CPHA      (9)     /* Clock phase */
 234 #define STM_USART_CR2_LBCL      (8)     /* Last bit clock pulse */
 235 #define STM_USART_CR2_LBDIE     (6)     /* LIN break detection interrupt enable */
 236 #define STM_USART_CR2_LBDL      (5)     /* lin break detection length */
 237 #define STM_USART_CR2_ADD       (0)
 238 #define STM_USART_CR2_ADD_MASK  0xf
 239
 240 #define STM_USART_CR3_ONEBITE   (11)    /* One sample bit method enable */
 241 #define STM_USART_CR3_CTSIE     (10)    /* CTS interrupt enable */
 242 #define STM_USART_CR3_CTSE      (9)     /* CTS enable */
 243 #define STM_USART_CR3_RTSE      (8)     /* RTS enable */
 244 #define STM_USART_CR3_DMAT      (7)     /* DMA enable transmitter */
 245 #define STM_USART_CR3_DMAR      (6)     /* DMA enable receiver */
 246 #define STM_USART_CR3_SCEN      (5)     /* Smartcard mode enable */
 247 #define STM_USART_CR3_NACK      (4)     /* Smartcard NACK enable */
 248 #define STM_USART_CR3_HDSEL     (3)     /* Half-duplex selection */
 249 #define STM_USART_CR3_IRLP      (2)     /* IrDA low-power */
 250 #define STM_USART_CR3_IREN      (1)     /* IrDA mode enable */
 251 #define STM_USART_CR3_EIE       (0)     /* Error interrupt enable */
 252
 253 struct stm_tim {
 254 };
 255
 256 extern struct stm_tim stm_tim9;
 257 extern struct stm_tim stm_tim10;
 258 extern struct stm_tim stm_tim11;
 259
 260 /* Flash interface */
 261
 262 struct stm_flash {
 263         vuint32_t       acr;
 264         vuint32_t       pecr;
 265         vuint32_t       pdkeyr;
 266         vuint32_t       pekeyr;
 267
 268         vuint32_t       prgkeyr;
 269         vuint32_t       optkeyr;
 270         vuint32_t       sr;
 271         vuint32_t       obr;
 272
 273         vuint32_t       wrpr;
 274 };
 275
 276 extern struct stm_flash stm_flash;
 277
 278 #define STM_FLASH_ACR_RUN_PD    (4)
 279 #define STM_FLASH_ACR_SLEEP_PD  (3)
 280 #define STM_FLASH_ACR_ACC64     (2)
 281 #define STM_FLASH_ACR_PRFEN     (1)
 282 #define STM_FLASH_ACR_LATENCY   (0)
 283
 284 struct stm_rcc {
 285         vuint32_t       cr;
 286         vuint32_t       icscr;
 287         vuint32_t       cfgr;
 288         vuint32_t       cir;
 289
 290         vuint32_t       ahbrstr;
 291         vuint32_t       apb2rstr;
 292         vuint32_t       apb1rstr;
 293         vuint32_t       ahbenr;
 294
 295         vuint32_t       apb2enr;
 296         vuint32_t       apb1enr;
 297         vuint32_t       ahblenr;
 298         vuint32_t       apb2lpenr;
 299
 300         vuint32_t       apb1lpenr;
 301         vuint32_t       csr;
 302 };
 303
 304 extern struct stm_rcc stm_rcc;
 305
 306 /* Nominal high speed internal oscillator frequency is 16MHz */
 307 #define STM_HSI_FREQ            16000000
 308
 309 #define STM_RCC_CR_RTCPRE       (29)
 310 #define  STM_RCC_CR_RTCPRE_HSE_DIV_2    0
 311 #define  STM_RCC_CR_RTCPRE_HSE_DIV_4    1
 312 #define  STM_RCC_CR_RTCPRE_HSE_DIV_8    2
 313 #define  STM_RCC_CR_RTCPRE_HSE_DIV_16   3
 314 #define  STM_RCC_CR_RTCPRE_HSE_MASK     3
 315
 316 #define STM_RCC_CR_CSSON        (28)
 317 #define STM_RCC_CR_PLLRDY       (25)
 318 #define STM_RCC_CR_PLLON        (24)
 319 #define STM_RCC_CR_HSEBYP       (18)
 320 #define STM_RCC_CR_HSERDY       (17)
 321 #define STM_RCC_CR_HSEON        (16)
 322 #define STM_RCC_CR_MSIRDY       (9)
 323 #define STM_RCC_CR_MSION        (8)
 324 #define STM_RCC_CR_HSIRDY       (1)
 325 #define STM_RCC_CR_HSION        (0)
 326
 327 #define STM_RCC_CFGR_MCOPRE     (28)
 328 #define  STM_RCC_CFGR_MCOPRE_DIV_1      0
 329 #define  STM_RCC_CFGR_MCOPRE_DIV_2      1
 330 #define  STM_RCC_CFGR_MCOPRE_DIV_4      2
 331 #define  STM_RCC_CFGR_MCOPRE_DIV_8      3
 332 #define  STM_RCC_CFGR_MCOPRE_DIV_16     4
 333 #define  STM_RCC_CFGR_MCOPRE_DIV_MASK   7
 334
 335 #define STM_RCC_CFGR_MCOSEL     (24)
 336 #define  STM_RCC_CFGR_MCOSEL_DISABLE    0
 337 #define  STM_RCC_CFGR_MCOSEL_SYSCLK     1
 338 #define  STM_RCC_CFGR_MCOSEL_HSI        2
 339 #define  STM_RCC_CFGR_MCOSEL_MSI        3
 340 #define  STM_RCC_CFGR_MCOSEL_HSE        4
 341 #define  STM_RCC_CFGR_MCOSEL_PLL        5
 342 #define  STM_RCC_CFGR_MCOSEL_LSI        6
 343 #define  STM_RCC_CFGR_MCOSEL_LSE        7
 344 #define  STM_RCC_CFGR_MCOSEL_MASK       7
 345
 346 #define STM_RCC_CFGR_PLLDIV     (22)
 347 #define  STM_RCC_CFGR_PLLDIV_2          1
 348 #define  STM_RCC_CFGR_PLLDIV_3          2
 349 #define  STM_RCC_CFGR_PLLDIV_4          3
 350 #define  STM_RCC_CFGR_PLLDIV_MASK       3
 351
 352 #define STM_RCC_CFGR_PLLMUL     (18)
 353 #define  STM_RCC_CFGR_PLLMUL_3          0
 354 #define  STM_RCC_CFGR_PLLMUL_4          1
 355 #define  STM_RCC_CFGR_PLLMUL_6          2
 356 #define  STM_RCC_CFGR_PLLMUL_8          3
 357 #define  STM_RCC_CFGR_PLLMUL_12         4
 358 #define  STM_RCC_CFGR_PLLMUL_16         5
 359 #define  STM_RCC_CFGR_PLLMUL_24         6
 360 #define  STM_RCC_CFGR_PLLMUL_32         7
 361 #define  STM_RCC_CFGR_PLLMUL_48         8
 362 #define  STM_RCC_CFGR_PLLMUL_MASK       0xf
 363
 364 #define STM_RCC_CFGR_PLLSRC     (16)
 365
 366 #define STM_RCC_CFGR_PPRE2      (11)
 367 #define  STM_RCC_CFGR_PPRE2_DIV_1       0
 368 #define  STM_RCC_CFGR_PPRE2_DIV_2       4
 369 #define  STM_RCC_CFGR_PPRE2_DIV_4       5
 370 #define  STM_RCC_CFGR_PPRE2_DIV_8       6
 371 #define  STM_RCC_CFGR_PPRE2_DIV_16      7
 372 #define  STM_RCC_CFGR_PPRE2_MASK        7
 373
 374 #define STM_RCC_CFGR_PPRE1      (8)
 375 #define  STM_RCC_CFGR_PPRE1_DIV_1       0
 376 #define  STM_RCC_CFGR_PPRE1_DIV_2       4
 377 #define  STM_RCC_CFGR_PPRE1_DIV_4       5
 378 #define  STM_RCC_CFGR_PPRE1_DIV_8       6
 379 #define  STM_RCC_CFGR_PPRE1_DIV_16      7
 380 #define  STM_RCC_CFGR_PPRE1_MASK        7
 381
 382 #define STM_RCC_CFGR_HPRE       (4)
 383 #define  STM_RCC_CFGR_HPRE_DIV_1        0
 384 #define  STM_RCC_CFGR_HPRE_DIV_2        8
 385 #define  STM_RCC_CFGR_HPRE_DIV_4        9
 386 #define  STM_RCC_CFGR_HPRE_DIV_8        0xa
 387 #define  STM_RCC_CFGR_HPRE_DIV_16       0xb
 388 #define  STM_RCC_CFGR_HPRE_DIV_64       0xc
 389 #define  STM_RCC_CFGR_HPRE_DIV_128      0xd
 390 #define  STM_RCC_CFGR_HPRE_DIV_256      0xe
 391 #define  STM_RCC_CFGR_HPRE_DIV_512      0xf
 392 #define  STM_RCC_CFGR_HPRE_MASK         0xf
 393
 394 #define STM_RCC_CFGR_SWS        (2)
 395 #define  STM_RCC_CFGR_SWS_MSI           0
 396 #define  STM_RCC_CFGR_SWS_HSI           1
 397 #define  STM_RCC_CFGR_SWS_HSE           2
 398 #define  STM_RCC_CFGR_SWS_PLL           3
 399 #define  STM_RCC_CFGR_SWS_MASK          3
 400
 401 #define STM_RCC_CFGR_SW         (0)
 402 #define  STM_RCC_CFGR_SW_MSI            0
 403 #define  STM_RCC_CFGR_SW_HSI            1
 404 #define  STM_RCC_CFGR_SW_HSE            2
 405 #define  STM_RCC_CFGR_SW_PLL            3
 406 #define  STM_RCC_CFGR_SW_MASK           3
 407
 408 #define STM_RCC_AHBENR_DMA1EN           (24)
 409 #define STM_RCC_AHBENR_FLITFEN          (15)
 410 #define STM_RCC_AHBENR_CRCEN            (12)
 411 #define STM_RCC_AHBENR_GPIOHEN          (5)
 412 #define STM_RCC_AHBENR_GPIOEEN          (4)
 413 #define STM_RCC_AHBENR_GPIODEN          (3)
 414 #define STM_RCC_AHBENR_GPIOCEN          (2)
 415 #define STM_RCC_AHBENR_GPIOBEN          (1)
 416 #define STM_RCC_AHBENR_GPIOAEN          (0)
 417
 418 #define STM_RCC_APB2ENR_USART1EN        (14)
 419 #define STM_RCC_APB2ENR_SPI1EN          (12)
 420 #define STM_RCC_APB2ENR_ADC1EN          (9)
 421 #define STM_RCC_APB2ENR_TIM11EN         (4)
 422 #define STM_RCC_APB2ENR_TIM10EN         (3)
 423 #define STM_RCC_APB2ENR_TIM9EN          (2)
 424 #define STM_RCC_APB2ENR_SYSCFGEN        (0)
 425
 426 #define STM_RCC_APB1ENR_COMPEN          (31)
 427 #define STM_RCC_APB1ENR_DACEN           (29)
 428 #define STM_RCC_APB1ENR_PWREN           (28)
 429 #define STM_RCC_APB1ENR_USBEN           (23)
 430 #define STM_RCC_APB1ENR_I2C2EN          (22)
 431 #define STM_RCC_APB1ENR_I2C1EN          (21)
 432 #define STM_RCC_APB1ENR_USART3EN        (18)
 433 #define STM_RCC_APB1ENR_USART2EN        (17)
 434 #define STM_RCC_APB1ENR_SPI2EN          (14)
 435 #define STM_RCC_APB1ENR_WWDGEN          (11)
 436 #define STM_RCC_APB1ENR_LCDEN           (9)
 437 #define STM_RCC_APB1ENR_TIM7EN          (5)
 438 #define STM_RCC_APB1ENR_TIM6EN          (4)
 439 #define STM_RCC_APB1ENR_TIM4EN          (2)
 440 #define STM_RCC_APB1ENR_TIM3EN          (1)
 441 #define STM_RCC_APB1ENR_TIM2EN          (0)
 442
 443 #define STM_RCC_CSR_LPWRRSTF            (31)
 444 #define STM_RCC_CSR_WWDGRSTF            (30)
 445 #define STM_RCC_CSR_IWDGRSTF            (29)
 446 #define STM_RCC_CSR_SFTRSTF             (28)
 447 #define STM_RCC_CSR_PORRSTF             (27)
 448 #define STM_RCC_CSR_PINRSTF             (26)
 449 #define STM_RCC_CSR_OBLRSTF             (25)
 450 #define STM_RCC_CSR_RMVF                (24)
 451 #define STM_RCC_CSR_RTFRST              (23)
 452 #define STM_RCC_CSR_RTCEN               (22)
 453 #define STM_RCC_CSR_RTCSEL              (16)
 454
 455 #define  STM_RCC_CSR_RTCSEL_NONE                0
 456 #define  STM_RCC_CSR_RTCSEL_LSE                 1
 457 #define  STM_RCC_CSR_RTCSEL_LSI                 2
 458 #define  STM_RCC_CSR_RTCSEL_HSE                 3
 459 #define  STM_RCC_CSR_RTCSEL_MASK                3
 460
 461 #define STM_RCC_CSR_LSEBYP              (10)
 462 #define STM_RCC_CSR_LSERDY              (9)
 463 #define STM_RCC_CSR_LSEON               (8)
 464 #define STM_RCC_CSR_LSIRDY              (1)
 465 #define STM_RCC_CSR_LSION               (0)
 466
 467 struct stm_pwr {
 468         vuint32_t       cr;
 469         vuint32_t       csr;
 470 };
 471
 472 extern struct stm_pwr stm_pwr;
 473
 474 #define STM_PWR_CR_LPRUN        (14)
 475
 476 #define STM_PWR_CR_VOS          (11)
 477 #define  STM_PWR_CR_VOS_1_8             1
 478 #define  STM_PWR_CR_VOS_1_5             2
 479 #define  STM_PWR_CR_VOS_1_2             3
 480 #define  STM_PWR_CR_VOS_MASK            3
 481
 482 #define STM_PWR_CR_FWU          (10)
 483 #define STM_PWR_CR_ULP          (9)
 484 #define STM_PWR_CR_DBP          (8)
 485
 486 #define STM_PWR_CR_PLS          (5)
 487 #define  STM_PWR_CR_PLS_1_9     0
 488 #define  STM_PWR_CR_PLS_2_1     1
 489 #define  STM_PWR_CR_PLS_2_3     2
 490 #define  STM_PWR_CR_PLS_2_5     3
 491 #define  STM_PWR_CR_PLS_2_7     4
 492 #define  STM_PWR_CR_PLS_2_9     5
 493 #define  STM_PWR_CR_PLS_3_1     6
 494 #define  STM_PWR_CR_PLS_EXT     7
 495 #define  STM_PWR_CR_PLS_MASK    7
 496
 497 #define STM_PWR_CR_PVDE         (4)
 498 #define STM_PWR_CR_CSBF         (3)
 499 #define STM_PWR_CR_CWUF         (2)
 500 #define STM_PWR_CR_PDDS         (1)
 501 #define STM_PWR_CR_LPSDSR       (0)
 502
 503 #define STM_PWR_CSR_EWUP3       (10)
 504 #define STM_PWR_CSR_EWUP2       (9)
 505 #define STM_PWR_CSR_EWUP1       (8)
 506 #define STM_PWR_CSR_REGLPF      (5)
 507 #define STM_PWR_CSR_VOSF        (4)
 508 #define STM_PWR_CSR_VREFINTRDYF (3)
 509 #define STM_PWR_CSR_PVDO        (2)
 510 #define STM_PWR_CSR_SBF         (1)
 511 #define STM_PWR_CSR_WUF         (0)
 512
 513 struct stm_tim67 {
 514         vuint32_t       cr1;
 515         vuint32_t       cr2;
 516         uint32_t        _unused_08;
 517         vuint32_t       dier;
 518
 519         vuint32_t       sr;
 520         vuint32_t       egr;
 521         uint32_t        _unused_18;
 522         uint32_t        _unused_1c;
 523
 524         uint32_t        _unused_20;
 525         vuint32_t       cnt;
 526         vuint32_t       psc;
 527         vuint32_t       arr;
 528 };
 529
 530 extern struct stm_tim67 stm_tim6;
 531
 532 #define STM_TIM67_CR1_ARPE      (7)
 533 #define STM_TIM67_CR1_OPM       (3)
 534 #define STM_TIM67_CR1_URS       (2)
 535 #define STM_TIM67_CR1_UDIS      (1)
 536 #define STM_TIM67_CR1_CEN       (0)
 537
 538 #define STM_TIM67_CR2_MMS       (4)
 539 #define  STM_TIM67_CR2_MMS_RESET        0
 540 #define  STM_TIM67_CR2_MMS_ENABLE       1
 541 #define  STM_TIM67_CR2_MMS_UPDATE       2
 542 #define  STM_TIM67_CR2_MMS_MASK         7
 543
 544 #define STM_TIM67_DIER_UDE      (8)
 545 #define STM_TIM67_DIER_UIE      (0)
 546
 547 #define STM_TIM67_SR_UIF        (0)
 548
 549 #define STM_TIM67_EGR_UG        (0)
 550
 551 struct stm_lcd {
 552         vuint32_t       cr;
 553         vuint32_t       fcr;
 554         vuint32_t       sr;
 555         vuint32_t       clr;
 556         uint32_t        unused_0x10;
 557         vuint32_t       ram[8*2];
 558 };
 559
 560 extern struct stm_lcd stm_lcd;
 561
 562 #define STM_LCD_CR_MUX_SEG              (7)
 563
 564 #define STM_LCD_CR_BIAS                 (5)
 565 #define  STM_LCD_CR_BIAS_1_4            0
 566 #define  STM_LCD_CR_BIAS_1_2            1
 567 #define  STM_LCD_CR_BIAS_1_3            2
 568 #define  STM_LCD_CR_BIAS_MASK           3
 569
 570 #define STM_LCD_CR_DUTY                 (2)
 571 #define  STM_LCD_CR_DUTY_STATIC         0
 572 #define  STM_LCD_CR_DUTY_1_2            1
 573 #define  STM_LCD_CR_DUTY_1_3            2
 574 #define  STM_LCD_CR_DUTY_1_4            3
 575 #define  STM_LCD_CR_DUTY_1_8            4
 576 #define  STM_LCD_CR_DUTY_MASK           7
 577
 578 #define STM_LCD_CR_VSEL                 (1)
 579 #define STM_LCD_CR_LCDEN                (0)
 580
 581 #define STM_LCD_FCR_PS                  (22)
 582 #define  STM_LCD_FCR_PS_1               0x0
 583 #define  STM_LCD_FCR_PS_2               0x1
 584 #define  STM_LCD_FCR_PS_4               0x2
 585 #define  STM_LCD_FCR_PS_8               0x3
 586 #define  STM_LCD_FCR_PS_16              0x4
 587 #define  STM_LCD_FCR_PS_32              0x5
 588 #define  STM_LCD_FCR_PS_64              0x6
 589 #define  STM_LCD_FCR_PS_128             0x7
 590 #define  STM_LCD_FCR_PS_256             0x8
 591 #define  STM_LCD_FCR_PS_512             0x9
 592 #define  STM_LCD_FCR_PS_1024            0xa
 593 #define  STM_LCD_FCR_PS_2048            0xb
 594 #define  STM_LCD_FCR_PS_4096            0xc
 595 #define  STM_LCD_FCR_PS_8192            0xd
 596 #define  STM_LCD_FCR_PS_16384           0xe
 597 #define  STM_LCD_FCR_PS_32768           0xf
 598 #define  STM_LCD_FCR_PS_MASK            0xf
 599
 600 #define STM_LCD_FCR_DIV                 (18)
 601 #define STM_LCD_FCR_DIV_16              0x0
 602 #define STM_LCD_FCR_DIV_17              0x1
 603 #define STM_LCD_FCR_DIV_18              0x2
 604 #define STM_LCD_FCR_DIV_19              0x3
 605 #define STM_LCD_FCR_DIV_20              0x4
 606 #define STM_LCD_FCR_DIV_21              0x5
 607 #define STM_LCD_FCR_DIV_22              0x6
 608 #define STM_LCD_FCR_DIV_23              0x7
 609 #define STM_LCD_FCR_DIV_24              0x8
 610 #define STM_LCD_FCR_DIV_25              0x9
 611 #define STM_LCD_FCR_DIV_26              0xa
 612 #define STM_LCD_FCR_DIV_27              0xb
 613 #define STM_LCD_FCR_DIV_28              0xc
 614 #define STM_LCD_FCR_DIV_29              0xd
 615 #define STM_LCD_FCR_DIV_30              0xe
 616 #define STM_LCD_FCR_DIV_31              0xf
 617 #define STM_LCD_FCR_DIV_MASK            0xf
 618
 619 #define STM_LCD_FCR_BLINK               (16)
 620 #define  STM_LCD_FCR_BLINK_DISABLE              0
 621 #define  STM_LCD_FCR_BLINK_SEG0_COM0            1
 622 #define  STM_LCD_FCR_BLINK_SEG0_COMALL          2
 623 #define  STM_LCD_FCR_BLINK_SEGALL_COMALL        3
 624 #define  STM_LCD_FCR_BLINK_MASK                 3
 625
 626 #define STM_LCD_FCR_BLINKF              (13)
 627 #define  STM_LCD_FCR_BLINKF_8                   0
 628 #define  STM_LCD_FCR_BLINKF_16                  1
 629 #define  STM_LCD_FCR_BLINKF_32                  2
 630 #define  STM_LCD_FCR_BLINKF_64                  3
 631 #define  STM_LCD_FCR_BLINKF_128                 4
 632 #define  STM_LCD_FCR_BLINKF_256                 5
 633 #define  STM_LCD_FCR_BLINKF_512                 6
 634 #define  STM_LCD_FCR_BLINKF_1024                7
 635 #define  STM_LCD_FCR_BLINKF_MASK                7
 636
 637 #define STM_LCD_FCR_CC                  (10)
 638 #define  STM_LCD_FCR_CC_MASK                    7
 639
 640 #define STM_LCD_FCR_DEAD                (7)
 641 #define  STM_LCD_FCR_DEAD_MASK                  7
 642
 643 #define STM_LCD_FCR_PON                 (4)
 644 #define  STM_LCD_FCR_PON_MASK                   7
 645
 646 #define STM_LCD_FCR_UDDIE               (3)
 647 #define STM_LCD_FCR_SOFIE               (1)
 648 #define STM_LCD_FCR_HD                  (0)
 649
 650 #define STM_LCD_SR_FCRSF                (5)
 651 #define STM_LCD_SR_RDY                  (4)
 652 #define STM_LCD_SR_UDD                  (3)
 653 #define STM_LCD_SR_UDR                  (2)
 654 #define STM_LCD_SR_SOF                  (1)
 655 #define STM_LCD_SR_ENS                  (0)
 656
 657 #define STM_LCD_CLR_UDDC                (3)
 658 #define STM_LCD_CLR_SOFC                (1)
 659
 660 struct stm_nvic {
 661         vuint32_t       iser[3];        /* 0x000 */
 662
 663         uint8_t         _unused00c[0x080 - 0x00c];
 664
 665         vuint32_t       icer[3];        /* 0x080 */
 666
 667         uint8_t         _unused08c[0x100 - 0x08c];
 668
 669         vuint32_t       ispr[3];        /* 0x100 */
 670
 671         uint8_t         _unused10c[0x180 - 0x10c];
 672
 673         vuint32_t       icpr[3];        /* 0x180 */
 674
 675         uint8_t         _unused18c[0x200 - 0x18c];
 676
 677         vuint32_t       iabr[3];        /* 0x200 */
 678
 679         uint8_t         _unused20c[0x300 - 0x20c];
 680
 681         vuint32_t       ipr[21];        /* 0x300 */
 682
 683         uint8_t         _unused324[0xe00 - 0x324];
 684
 685         vuint32_t       stir;           /* 0xe00 */
 686 };
 687
 688 extern struct stm_nvic stm_nvic;
 689
 690 #define IRQ_REG(irq)    ((irq) >> 5)
 691 #define IRQ_BIT(irq)    ((irq) & 0x1f)
 692 #define IRQ_MASK(irq)   (1 << IRQ_BIT(irq))
 693 #define IRQ_BOOL(v,irq) (((v) >> IRQ_BIT(irq)) & 1)
 694
 695 static inline void
 696 stm_nvic_set_enable(int irq) {
 697         stm_nvic.iser[IRQ_REG(irq)] = IRQ_MASK(irq);
 698 }
 699
 700 static inline void
 701 stm_nvic_clear_enable(int irq) {
 702         stm_nvic.icer[IRQ_REG(irq)] = IRQ_MASK(irq);
 703 }
 704
 705 static inline int
 706 stm_nvic_enabled(int irq) {
 707         return IRQ_BOOL(stm_nvic.iser[IRQ_REG(irq)], irq);
 708 }
 709
 710 static inline void
 711 stm_nvic_set_pending(int irq) {
 712         stm_nvic.ispr[IRQ_REG(irq)] = IRQ_MASK(irq);
 713 }
 714
 715 static inline void
 716 stm_nvic_clear_pending(int irq) {
 717         stm_nvic.icpr[IRQ_REG(irq)] = IRQ_MASK(irq);
 718 }
 719
 720 static inline int
 721 stm_nvic_pending(int irq) {
 722         return IRQ_BOOL(stm_nvic.ispr[IRQ_REG(irq)], irq);
 723 }
 724
 725 static inline int
 726 stm_nvic_active(int irq) {
 727         return IRQ_BOOL(stm_nvic.iabr[IRQ_REG(irq)], irq);
 728 }
 729
 730 #define IRQ_PRIO_REG(irq)       ((irq) >> 2)
 731 #define IRQ_PRIO_BIT(irq)       (((irq) & 3) << 3)
 732 #define IRQ_PRIO_MASK(irq)      (0xff << IRQ_PRIO_BIT(irq))
 733
 734 static inline void
 735 stm_nvic_set_priority(int irq, uint8_t prio) {
 736         int             n = IRQ_PRIO_REG(irq);
 737         uint32_t        v;
 738
 739         v = stm_nvic.ipr[n];
 740         v &= ~IRQ_PRIO_MASK(irq);
 741         v |= (prio) << IRQ_PRIO_BIT(irq);
 742         stm_nvic.ipr[n] = v;
 743 }
 744
 745 static inline uint8_t
 746 stm_nvic_get_priority(int irq) {
 747         return (stm_nvic.ipr[IRQ_PRIO_REG(irq)] >> IRQ_PRIO_BIT(irq)) & IRQ_PRIO_MASK(0);
 748 }
 749
 750 #define isr(name) void stm_ ## name ## _isr(void);
 751
 752 isr(nmi)
 753 isr(hardfault)
 754 isr(memmanage)
 755 isr(busfault)
 756 isr(usagefault)
 757 isr(svc)
 758 isr(debugmon)
 759 isr(pendsv)
 760 isr(systick)
 761 isr(wwdg)
 762 isr(pvd)
 763 isr(tamper_stamp)
 764 isr(rtc_wkup)
 765 isr(flash)
 766 isr(rcc)
 767 isr(exti0)
 768 isr(exti1)
 769 isr(exti2)
 770 isr(exti3)
 771 isr(exti4)
 772 isr(dma1_channel1)
 773 isr(dma1_channel2)
 774 isr(dma1_channel3)
 775 isr(dma1_channel4)
 776 isr(dma1_channel5)
 777 isr(dma1_channel6)
 778 isr(dma1_channel7)
 779 isr(adc1)
 780 isr(usb_hp)
 781 isr(usb_lp)
 782 isr(dac)
 783 isr(comp)
 784 isr(exti9_5)
 785 isr(lcd)
 786 isr(tim9)
 787 isr(tim10)
 788 isr(tim11)
 789 isr(tim2)
 790 isr(tim3)
 791 isr(tim4)
 792 isr(i2c1_ev)
 793 isr(i2c1_er)
 794 isr(i2c2_ev)
 795 isr(i2c2_er)
 796 isr(spi1)
 797 isr(spi2)
 798 isr(usart1)
 799 isr(usart2)
 800 isr(usart3)
 801 isr(exti15_10)
 802 isr(rtc_alarm)
 803 isr(usb_fs_wkup)
 804 isr(tim6)
 805 isr(tim7)
 806
 807 #undef isr
 808
 809 #define STM_ISR_WWDG_POS                0
 810 #define STM_ISR_PVD_POS                 1
 811 #define STM_ISR_TAMPER_STAMP_POS        2
 812 #define STM_ISR_RTC_WKUP_POS            3
 813 #define STM_ISR_FLASH_POS               4
 814 #define STM_ISR_RCC_POS                 5
 815 #define STM_ISR_EXTI0_POS               6
 816 #define STM_ISR_EXTI1_POS               7
 817 #define STM_ISR_EXTI2_POS               8
 818 #define STM_ISR_EXTI3_POS               9
 819 #define STM_ISR_EXTI4_POS               10
 820 #define STM_ISR_DMA1_CHANNEL1_POS       11
 821 #define STM_ISR_DMA2_CHANNEL1_POS       12
 822 #define STM_ISR_DMA3_CHANNEL1_POS       13
 823 #define STM_ISR_DMA4_CHANNEL1_POS       14
 824 #define STM_ISR_DMA5_CHANNEL1_POS       15
 825 #define STM_ISR_DMA6_CHANNEL1_POS       16
 826 #define STM_ISR_DMA7_CHANNEL1_POS       17
 827 #define STM_ISR_ADC1_POS                18
 828 #define STM_ISR_USB_HP_POS              19
 829 #define STM_ISR_USB_LP_POS              20
 830 #define STM_ISR_DAC_POS                 21
 831 #define STM_ISR_COMP_POS                22
 832 #define STM_ISR_EXTI9_5_POS             23
 833 #define STM_ISR_LCD_POS                 24
 834 #define STM_ISR_TIM9_POS                25
 835 #define STM_ISR_TIM10_POS               26
 836 #define STM_ISR_TIM11_POS               27
 837 #define STM_ISR_TIM2_POS                28
 838 #define STM_ISR_TIM3_POS                29
 839 #define STM_ISR_TIM4_POS                30
 840 #define STM_ISR_I2C1_EV_POS             31
 841 #define STM_ISR_I2C1_ER_POS             32
 842 #define STM_ISR_I2C2_EV_POS             33
 843 #define STM_ISR_I2C2_ER_POS             34
 844 #define STM_ISR_SPI1_POS                35
 845 #define STM_ISR_SPI2_POS                36
 846 #define STM_ISR_USART1_POS              37
 847 #define STM_ISR_USART2_POS              38
 848 #define STM_ISR_USART3_POS              39
 849 #define STM_ISR_EXTI15_10_POS           40
 850 #define STM_ISR_RTC_ALARM_POS           41
 851 #define STM_ISR_USB_FS_WKUP_POS         42
 852 #define STM_ISR_TIM6_POS                43
 853 #define STM_ISR_TIM7_POS                44
 854
 855 struct stm_syscfg {
 856         vuint32_t       memrmp;
 857         vuint32_t       pmc;
 858         vuint32_t       exticr[4];
 859 };
 860
 861 extern struct stm_syscfg stm_syscfg;
 862
 863 #define STM_SYSCFG_MEMRMP_MEM_MODE      0
 864 #define  STM_SYSCFG_MEMRMP_MEM_MODE_MAIN_FLASH          0
 865 #define  STM_SYSCFG_MEMRMP_MEM_MODE_SYSTEM_FLASH        1
 866 #define  STM_SYSCFG_MEMRMP_MEM_MODE_SRAM                3
 867 #define  STM_SYSCFG_MEMRMP_MEM_MODE_MASK                3
 868
 869 #define STM_SYSCFG_PMC_USB_PU           0
 870
 871 #define STM_SYSCFG_EXTICR_PA            0
 872 #define STM_SYSCFG_EXTICR_PB            1
 873 #define STM_SYSCFG_EXTICR_PC            2
 874 #define STM_SYSCFG_EXTICR_PD            3
 875 #define STM_SYSCFG_EXTICR_PE            4
 876 #define STM_SYSCFG_EXTICR_PH            5
 877
 878 static inline void
 879 stm_exticr_set(struct stm_gpio *gpio, int pin) {
 880         uint8_t reg = pin >> 2;
 881         uint8_t shift = (pin & 3) << 2;
 882         uint8_t val = 0;
 883
 884         if (gpio == &stm_gpioa)
 885                 val = STM_SYSCFG_EXTICR_PA;
 886         else if (gpio == &stm_gpiob)
 887                 val = STM_SYSCFG_EXTICR_PB;
 888         else if (gpio == &stm_gpioc)
 889                 val = STM_SYSCFG_EXTICR_PC;
 890         else if (gpio == &stm_gpiod)
 891                 val = STM_SYSCFG_EXTICR_PD;
 892         else if (gpio == &stm_gpioe)
 893                 val = STM_SYSCFG_EXTICR_PE;
 894
 895         stm_syscfg.exticr[reg] = (stm_syscfg.exticr[reg] & ~(0xf << shift)) | val << shift;
 896 }
 897
 898
 899 struct stm_dma_channel {
 900         vuint32_t       ccr;
 901         vuint32_t       cndtr;
 902         vvoid_t         cpar;
 903         vvoid_t         cmar;
 904         vuint32_t       reserved;
 905 };
 906
 907 #define STM_NUM_DMA     7
 908
 909 struct stm_dma {
 910         vuint32_t               isr;
 911         vuint32_t               ifcr;
 912         struct stm_dma_channel  channel[STM_NUM_DMA];
 913 };
 914
 915 extern struct stm_dma stm_dma;
 916
 917 /* DMA channels go from 1 to 7, instead of 0 to 6 (sigh)
 918  */
 919
 920 #define STM_DMA_INDEX(channel)          ((channel) - 1)
 921
 922 #define STM_DMA_ISR(index)              ((index) << 2)
 923 #define STM_DMA_ISR_MASK                        0xf
 924 #define STM_DMA_ISR_TEIF                        3
 925 #define STM_DMA_ISR_HTIF                        2
 926 #define STM_DMA_ISR_TCIF                        1
 927 #define STM_DMA_ISR_GIF                         0
 928
 929 #define STM_DMA_IFCR(index)             ((index) << 2)
 930 #define STM_DMA_IFCR_MASK                       0xf
 931 #define STM_DMA_IFCR_CTEIF                      3
 932 #define STM_DMA_IFCR_CHTIF                      2
 933 #define STM_DMA_IFCR_CTCIF                      1
 934 #define STM_DMA_IFCR_CGIF                       0
 935
 936 #define STM_DMA_CCR_MEM2MEM             (14)
 937
 938 #define STM_DMA_CCR_PL                  (12)
 939 #define  STM_DMA_CCR_PL_LOW                     (0)
 940 #define  STM_DMA_CCR_PL_MEDIUM                  (1)
 941 #define  STM_DMA_CCR_PL_HIGH                    (2)
 942 #define  STM_DMA_CCR_PL_VERY_HIGH               (3)
 943 #define  STM_DMA_CCR_PL_MASK                    (3)
 944
 945 #define STM_DMA_CCR_MSIZE               (10)
 946 #define  STM_DMA_CCR_MSIZE_8                    (0)
 947 #define  STM_DMA_CCR_MSIZE_16                   (1)
 948 #define  STM_DMA_CCR_MSIZE_32                   (2)
 949 #define  STM_DMA_CCR_MSIZE_MASK                 (3)
 950
 951 #define STM_DMA_CCR_PSIZE               (8)
 952 #define  STM_DMA_CCR_PSIZE_8                    (0)
 953 #define  STM_DMA_CCR_PSIZE_16                   (1)
 954 #define  STM_DMA_CCR_PSIZE_32                   (2)
 955 #define  STM_DMA_CCR_PSIZE_MASK                 (3)
 956
 957 #define STM_DMA_CCR_MINC                (7)
 958 #define STM_DMA_CCR_PINC                (6)
 959 #define STM_DMA_CCR_CIRC                (5)
 960 #define STM_DMA_CCR_DIR                 (4)
 961 #define  STM_DMA_CCR_DIR_PER_TO_MEM             0
 962 #define  STM_DMA_CCR_DIR_MEM_TO_PER             1
 963 #define STM_DMA_CCR_TEIE                (3)
 964 #define STM_DMA_CCR_HTIE                (2)
 965 #define STM_DMA_CCR_TCIE                (1)
 966 #define STM_DMA_CCR_EN                  (0)
 967
 968 #define STM_DMA_CHANNEL_ADC1            1
 969 #define STM_DMA_CHANNEL_SPI1_RX         2
 970 #define STM_DMA_CHANNEL_SPI1_TX         3
 971 #define STM_DMA_CHANNEL_SPI2_RX         4
 972 #define STM_DMA_CHANNEL_SPI2_TX         5
 973 #define STM_DMA_CHANNEL_USART3_TX       2
 974 #define STM_DMA_CHANNEL_USART3_RX       3
 975 #define STM_DMA_CHANNEL_USART1_TX       4
 976 #define STM_DMA_CHANNEL_USART1_RX       5
 977 #define STM_DMA_CHANNEL_USART2_RX       6
 978 #define STM_DMA_CHANNEL_USART2_TX       7
 979 #define STM_DMA_CHANNEL_I2C2_TX         4
 980 #define STM_DMA_CHANNEL_I2C2_RX         5
 981 #define STM_DMA_CHANNEL_I2C1_TX         6
 982 #define STM_DMA_CHANNEL_I2C1_RX         7
 983 #define STM_DMA_CHANNEL_TIM2_CH3        1
 984 #define STM_DMA_CHANNEL_TIM2_UP         2
 985 #define STM_DMA_CHANNEL_TIM2_CH1        5
 986 #define STM_DMA_CHANNEL_TIM2_CH2        7
 987 #define STM_DMA_CHANNEL_TIM2_CH4        7
 988 #define STM_DMA_CHANNEL_TIM3_CH3        2
 989 #define STM_DMA_CHANNEL_TIM3_CH4        3
 990 #define STM_DMA_CHANNEL_TIM3_UP         3
 991 #define STM_DMA_CHANNEL_TIM3_CH1        6
 992 #define STM_DMA_CHANNEL_TIM3_TRIG       6
 993 #define STM_DMA_CHANNEL_TIM4_CH1        1
 994 #define STM_DMA_CHANNEL_TIM4_CH2        4
 995 #define STM_DMA_CHANNEL_TIM4_CH3        5
 996 #define STM_DMA_CHANNEL_TIM4_UP         7
 997 #define STM_DMA_CHANNEL_TIM6_UP_DA      2
 998 #define STM_DMA_CHANNEL_C_CHANNEL1      2
 999 #define STM_DMA_CHANNEL_TIM7_UP_DA      3
1000 #define STM_DMA_CHANNEL_C_CHANNEL2      3
1001
1002 /*
1003  * Only spi channel 1 and 2 can use DMA
1004  */
1005 #define STM_NUM_SPI     2
1006
1007 struct stm_spi {
1008         vuint32_t       cr1;
1009         vuint32_t       cr2;
1010         vuint32_t       sr;
1011         vuint32_t       dr;
1012         vuint32_t       crcpr;
1013         vuint32_t       rxcrcr;
1014         vuint32_t       txcrcr;
1015 };
1016
1017 extern struct stm_spi stm_spi1, stm_spi2, stm_spi3;
1018
1019 /* SPI channels go from 1 to 3, instead of 0 to 2 (sigh)
1020  */
1021
1022 #define STM_SPI_INDEX(channel)          ((channel) - 1)
1023
1024 #define STM_SPI_CR1_BIDIMODE            15
1025 #define STM_SPI_CR1_BIDIOE              14
1026 #define STM_SPI_CR1_CRCEN               13
1027 #define STM_SPI_CR1_CRCNEXT             12
1028 #define STM_SPI_CR1_DFF                 11
1029 #define STM_SPI_CR1_RXONLY              10
1030 #define STM_SPI_CR1_SSM                 9
1031 #define STM_SPI_CR1_SSI                 8
1032 #define STM_SPI_CR1_LSBFIRST            7
1033 #define STM_SPI_CR1_SPE                 6
1034 #define STM_SPI_CR1_BR                  3
1035 #define  STM_SPI_CR1_BR_PCLK_2                  0
1036 #define  STM_SPI_CR1_BR_PCLK_4                  1
1037 #define  STM_SPI_CR1_BR_PCLK_8                  2
1038 #define  STM_SPI_CR1_BR_PCLK_16                 3
1039 #define  STM_SPI_CR1_BR_PCLK_32                 4
1040 #define  STM_SPI_CR1_BR_PCLK_64                 5
1041 #define  STM_SPI_CR1_BR_PCLK_128                6
1042 #define  STM_SPI_CR1_BR_PCLK_256                7
1043 #define  STM_SPI_CR1_BR_MASK                    7
1044
1045 #define STM_SPI_CR1_MSTR                2
1046 #define STM_SPI_CR1_CPOL                1
1047 #define STM_SPI_CR1_CPHA                0
1048
1049 #define STM_SPI_CR2_TXEIE       7
1050 #define STM_SPI_CR2_RXNEIE      6
1051 #define STM_SPI_CR2_ERRIE       5
1052 #define STM_SPI_CR2_SSOE        2
1053 #define STM_SPI_CR2_TXDMAEN     1
1054 #define STM_SPI_CR2_RXDMAEN     0
1055
1056 #define STM_SPI_SR_BSY          7
1057 #define STM_SPI_SR_OVR          6
1058 #define STM_SPI_SR_MODF         5
1059 #define STM_SPI_SR_CRCERR       4
1060 #define STM_SPI_SR_TXE          1
1061 #define STM_SPI_SR_RXNE         0
1062
1063 struct stm_adc {
1064         vuint32_t       sr;
1065         vuint32_t       cr1;
1066         vuint32_t       cr2;
1067         vuint32_t       smpr1;
1068         vuint32_t       smpr2;
1069         vuint32_t       smpr3;
1070         vuint32_t       jofr1;
1071         vuint32_t       jofr2;
1072         vuint32_t       jofr3;
1073         vuint32_t       jofr4;
1074         vuint32_t       htr;
1075         vuint32_t       ltr;
1076         vuint32_t       sqr1;
1077         vuint32_t       sqr2;
1078         vuint32_t       sqr3;
1079         vuint32_t       sqr4;
1080         vuint32_t       sqr5;
1081         vuint32_t       jsqr;
1082         vuint32_t       jdr1;
1083         vuint32_t       jdr2;
1084         vuint32_t       jdr3;
1085         vuint32_t       jdr4;
1086         vuint32_t       dr;
1087         uint8_t         reserved[0x300 - 0x5c];
1088         vuint32_t       csr;
1089         vuint32_t       ccr;
1090 };
1091
1092 extern struct stm_adc stm_adc;
1093
1094 #define STM_ADC_SR_JCNR         9
1095 #define STM_ADC_SR_RCNR         8
1096 #define STM_ADC_SR_ADONS        6
1097 #define STM_ADC_SR_OVR          5
1098 #define STM_ADC_SR_STRT         4
1099 #define STM_ADC_SR_JSTRT        3
1100 #define STM_ADC_SR_JEOC         2
1101 #define STM_ADC_SR_EOC          1
1102 #define STM_ADC_SR_AWD          0
1103
1104 #define STM_ADC_CR1_OVRIE       26
1105 #define STM_ADC_CR1_RES         24
1106 #define  STM_ADC_CR1_RES_12             0
1107 #define  STM_ADC_CR1_RES_10             1
1108 #define  STM_ADC_CR1_RES_8              2
1109 #define  STM_ADC_CR1_RES_6              3
1110 #define  STM_ADC_CR1_RES_MASK           3
1111 #define STM_ADC_CR1_AWDEN       23
1112 #define STM_ADC_CR1_JAWDEN      22
1113 #define STM_ADC_CR1_PDI         17
1114 #define STM_ADC_CR1_PDD         16
1115 #define STM_ADC_CR1_DISCNUM     13
1116 #define  STM_ADC_CR1_DISCNUM_1          0
1117 #define  STM_ADC_CR1_DISCNUM_2          1
1118 #define  STM_ADC_CR1_DISCNUM_3          2
1119 #define  STM_ADC_CR1_DISCNUM_4          3
1120 #define  STM_ADC_CR1_DISCNUM_5          4
1121 #define  STM_ADC_CR1_DISCNUM_6          5
1122 #define  STM_ADC_CR1_DISCNUM_7          6
1123 #define  STM_ADC_CR1_DISCNUM_8          7
1124 #define  STM_ADC_CR1_DISCNUM_MASK       7
1125 #define STM_ADC_CR1_JDISCEN     12
1126 #define STM_ADC_CR1_DISCEN      11
1127 #define STM_ADC_CR1_JAUTO       10
1128 #define STM_ADC_CR1_AWDSGL      9
1129 #define STM_ADC_CR1_SCAN        8
1130 #define STM_ADC_CR1_JEOCIE      7
1131 #define STM_ADC_CR1_AWDIE       6
1132 #define STM_ADC_CR1_EOCIE       5
1133 #define STM_ADC_CR1_AWDCH       0
1134 #define  STM_ADC_CR1_AWDCH_MASK         0x1f
1135
1136 #define STM_ADC_CR2_SWSTART     30
1137 #define STM_ADC_CR2_EXTEN       28
1138 #define  STM_ADC_CR2_EXTEN_DISABLE      0
1139 #define  STM_ADC_CR2_EXTEN_RISING       1
1140 #define  STM_ADC_CR2_EXTEN_FALLING      2
1141 #define  STM_ADC_CR2_EXTEN_BOTH         3
1142 #define  STM_ADC_CR2_EXTEN_MASK         3
1143 #define STM_ADC_CR2_EXTSEL      24
1144 #define  STM_ADC_CR2_EXTSEL_TIM9_CC2    0
1145 #define  STM_ADC_CR2_EXTSEL_TIM9_TRGO   1
1146 #define  STM_ADC_CR2_EXTSEL_TIM2_CC3    2
1147 #define  STM_ADC_CR2_EXTSEL_TIM2_CC2    3
1148 #define  STM_ADC_CR2_EXTSEL_TIM3_TRGO   4
1149 #define  STM_ADC_CR2_EXTSEL_TIM4_CC4    5
1150 #define  STM_ADC_CR2_EXTSEL_TIM2_TRGO   6
1151 #define  STM_ADC_CR2_EXTSEL_TIM3_CC1    7
1152 #define  STM_ADC_CR2_EXTSEL_TIM3_CC3    8
1153 #define  STM_ADC_CR2_EXTSEL_TIM4_TRGO   9
1154 #define  STM_ADC_CR2_EXTSEL_TIM6_TRGO   10
1155 #define  STM_ADC_CR2_EXTSEL_EXTI_11     15
1156 #define  STM_ADC_CR2_EXTSEL_MASK        15
1157 #define STM_ADC_CR2_JWSTART     22
1158 #define STM_ADC_CR2_JEXTEN      20
1159 #define  STM_ADC_CR2_JEXTEN_DISABLE     0
1160 #define  STM_ADC_CR2_JEXTEN_RISING      1
1161 #define  STM_ADC_CR2_JEXTEN_FALLING     2
1162 #define  STM_ADC_CR2_JEXTEN_BOTH        3
1163 #define  STM_ADC_CR2_JEXTEN_MASK        3
1164 #define STM_ADC_CR2_JEXTSEL     16
1165 #define  STM_ADC_CR2_JEXTSEL_TIM9_CC1   0
1166 #define  STM_ADC_CR2_JEXTSEL_TIM9_TRGO  1
1167 #define  STM_ADC_CR2_JEXTSEL_TIM2_TRGO  2
1168 #define  STM_ADC_CR2_JEXTSEL_TIM2_CC1   3
1169 #define  STM_ADC_CR2_JEXTSEL_TIM3_CC4   4
1170 #define  STM_ADC_CR2_JEXTSEL_TIM4_TRGO  5
1171 #define  STM_ADC_CR2_JEXTSEL_TIM4_CC1   6
1172 #define  STM_ADC_CR2_JEXTSEL_TIM4_CC2   7
1173 #define  STM_ADC_CR2_JEXTSEL_TIM4_CC3   8
1174 #define  STM_ADC_CR2_JEXTSEL_TIM10_CC1  9
1175 #define  STM_ADC_CR2_JEXTSEL_TIM7_TRGO  10
1176 #define  STM_ADC_CR2_JEXTSEL_EXTI_15    15
1177 #define  STM_ADC_CR2_JEXTSEL_MASK       15
1178 #define STM_ADC_CR2_ALIGN       11
1179 #define STM_ADC_CR2_EOCS        10
1180 #define STM_ADC_CR2_DDS         9
1181 #define STM_ADC_CR2_DMA         8
1182 #define STM_ADC_CR2_DELS        4
1183 #define  STM_ADC_CR2_DELS_NONE          0
1184 #define  STM_ADC_CR2_DELS_UNTIL_READ    1
1185 #define  STM_ADC_CR2_DELS_7             2
1186 #define  STM_ADC_CR2_DELS_15            3
1187 #define  STM_ADC_CR2_DELS_31            4
1188 #define  STM_ADC_CR2_DELS_63            5
1189 #define  STM_ADC_CR2_DELS_127           6
1190 #define  STM_ADC_CR2_DELS_255           7
1191 #define  STM_ADC_CR2_DELS_MASK          7
1192 #define STM_ADC_CR2_CONT        1
1193 #define STM_ADC_CR2_ADON        0
1194
1195 #define STM_ADC_CCR_TSVREFE     23
1196 #define STM_ADC_CCR_ADCPRE      16
1197 #define  STM_ADC_CCR_ADCPRE_HSI_1       0
1198 #define  STM_ADC_CCR_ADCPRE_HSI_2       1
1199 #define  STM_ADC_CCR_ADCPRE_HSI_4       2
1200 #define  STM_ADC_CCR_ADCPRE_MASK        3
1201
1202 struct stm_temp_cal {
1203         uint16_t        vref;
1204         uint16_t        ts_cal_cold;
1205         uint16_t        reserved;
1206         uint16_t        ts_cal_hot;
1207 };
1208
1209 extern struct stm_temp_cal      stm_temp_cal;
1210
1211 #define stm_temp_cal_cold       25
1212 #define stm_temp_cal_hot        110
1213
1214 #define STM_NUM_I2C     2
1215
1216 #define STM_I2C_INDEX(channel)  ((channel) - 1)
1217
1218 struct stm_i2c {
1219         vuint32_t       cr1;
1220         vuint32_t       cr2;
1221         vuint32_t       oar1;
1222         vuint32_t       oar2;
1223         vuint32_t       dr;
1224         vuint32_t       sr1;
1225         vuint32_t       sr2;
1226         vuint32_t       ccr;
1227         vuint32_t       trise;
1228 };
1229
1230 extern struct stm_i2c stm_i2c1, stm_i2c2;
1231
1232 #define STM_I2C_CR1_SWRST       15
1233 #define STM_I2C_CR1_ALERT       13
1234 #define STM_I2C_CR1_PEC         12
1235 #define STM_I2C_CR1_POS         11
1236 #define STM_I2C_CR1_ACK         10
1237 #define STM_I2C_CR1_STOP        9
1238 #define STM_I2C_CR1_START       8
1239 #define STM_I2C_CR1_NOSTRETCH   7
1240 #define STM_I2C_CR1_ENGC        6
1241 #define STM_I2C_CR1_ENPEC       5
1242 #define STM_I2C_CR1_ENARP       4
1243 #define STM_I2C_CR1_SMBTYPE     3
1244 #define STM_I2C_CR1_SMBUS       1
1245 #define STM_I2C_CR1_PE          0
1246
1247 #define STM_I2C_CR2_LAST        12
1248 #define STM_I2C_CR2_DMAEN       11
1249 #define STM_I2C_CR2_ITBUFEN     10
1250 #define STM_I2C_CR2_ITEVTEN     9
1251 #define STM_I2C_CR2_ITERREN     8
1252 #define STM_I2C_CR2_FREQ        0
1253 #define  STM_I2C_CR2_FREQ_2_MHZ         2
1254 #define  STM_I2C_CR2_FREQ_4_MHZ         4
1255 #define  STM_I2C_CR2_FREQ_8_MHZ         8
1256 #define  STM_I2C_CR2_FREQ_16_MHZ        16
1257 #define  STM_I2C_CR2_FREQ_32_MHZ        32
1258 #define  STM_I2C_CR2_FREQ_MASK          0x3f;
1259
1260 #define STM_I2C_SR1_SMBALERT    15
1261 #define STM_I2C_SR1_TIMEOUT     14
1262 #define STM_I2C_SR1_PECERR      12
1263 #define STM_I2C_SR1_OVR         11
1264 #define STM_I2C_SR1_AF          10
1265 #define STM_I2C_SR1_ARLO        9
1266 #define STM_I2C_SR1_BERR        8
1267 #define STM_I2C_SR1_TXE         7
1268 #define STM_I2C_SR1_RXNE        6
1269 #define STM_I2C_SR1_STOPF       4
1270 #define STM_I2C_SR1_ADD10       3
1271 #define STM_I2C_SR1_BTF         2
1272 #define STM_I2C_SR1_ADDR        1
1273 #define STM_I2C_SR1_SB          0
1274
1275 #define STM_I2C_SR2_PEC         8
1276 #define  STM_I2C_SR2_PEC_MASK   0xff00
1277 #define STM_I2C_SR2_DUALF       7
1278 #define STM_I2C_SR2_SMBHOST     6
1279 #define STM_I2C_SR2_SMBDEFAULT  5
1280 #define STM_I2C_SR2_GENCALL     4
1281 #define STM_I2C_SR2_TRA         2
1282 #define STM_I2C_SR2_BUSY        1
1283 #define STM_I2C_SR2_MSL         0
1284
1285 #define STM_I2C_CCR_FS          15
1286 #define STM_I2C_CCR_DUTY        14
1287 #define STM_I2C_CCR_CCR         0
1288 #define  STM_I2C_CCR_MASK       0x7ff
1289
1290 struct stm_tim234 {
1291         vuint32_t       cr1;
1292         vuint32_t       cr2;
1293         vuint32_t       smcr;
1294         vuint32_t       dier;
1295
1296         vuint32_t       sr;
1297         vuint32_t       egr;
1298         vuint32_t       ccmr1;
1299         vuint32_t       ccmr2;
1300
1301         vuint32_t       ccer;
1302         vuint32_t       cnt;
1303         vuint32_t       psc;
1304         vuint32_t       arr;
1305
1306         uint32_t        reserved_30;
1307         vuint32_t       ccr1;
1308         vuint32_t       ccr2;
1309         vuint32_t       ccr3;
1310
1311         vuint32_t       ccr4;
1312         uint32_t        reserved_44;
1313         vuint32_t       dcr;
1314         vuint32_t       dmar;
1315
1316         uint32_t        reserved_50;
1317 };
1318
1319 extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
1320
1321 #define STM_TIM234_CR1_CKD      8
1322 #define  STM_TIM234_CR1_CKD_1           0
1323 #define  STM_TIM234_CR1_CKD_2           1
1324 #define  STM_TIM234_CR1_CKD_4           2
1325 #define  STM_TIM234_CR1_CKD_MASK        3
1326 #define STM_TIM234_CR1_ARPE     7
1327 #define STM_TIM234_CR1_CMS      5
1328 #define  STM_TIM234_CR1_CMS_EDGE        0
1329 #define  STM_TIM234_CR1_CMS_CENTER_1    1
1330 #define  STM_TIM234_CR1_CMS_CENTER_2    2
1331 #define  STM_TIM234_CR1_CMS_CENTER_3    3
1332 #define  STM_TIM234_CR1_CMS_MASK        3
1333 #define STM_TIM234_CR1_DIR      4
1334 #define  STM_TIM234_CR1_DIR_UP          0
1335 #define  STM_TIM234_CR1_DIR_DOWN        1
1336 #define STM_TIM234_CR1_OPM      3
1337 #define STM_TIM234_CR1_URS      2
1338 #define STM_TIM234_CR1_UDIS     1
1339 #define STM_TIM234_CR1_CEN      0
1340
1341 #define STM_TIM234_CR2_TI1S     7
1342 #define STM_TIM234_CR2_MMS      4
1343 #define  STM_TIM234_CR2_MMS_RESET               0
1344 #define  STM_TIM234_CR2_MMS_ENABLE              1
1345 #define  STM_TIM234_CR2_MMS_UPDATE              2
1346 #define  STM_TIM234_CR2_MMS_COMPARE_PULSE       3
1347 #define  STM_TIM234_CR2_MMS_COMPARE_OC1REF      4
1348 #define  STM_TIM234_CR2_MMS_COMPARE_OC2REF      5
1349 #define  STM_TIM234_CR2_MMS_COMPARE_OC3REF      6
1350 #define  STM_TIM234_CR2_MMS_COMPARE_OC4REF      7
1351 #define  STM_TIM234_CR2_MMS_MASK                7
1352 #define STM_TIM234_CR2_CCDS     3
1353
1354 #define STM_TIM234_SMCR_ETP     15
1355 #define STM_TIM234_SMCR_ECE     14
1356 #define STM_TIM234_SMCR_ETPS    12
1357 #define  STM_TIM234_SMCR_ETPS_OFF               0
1358 #define  STM_TIM234_SMCR_ETPS_DIV_2             1
1359 #define  STM_TIM234_SMCR_ETPS_DIV_4             2
1360 #define  STM_TIM234_SMCR_ETPS_DIV_8             3
1361 #define  STM_TIM234_SMCR_ETPS_MASK              3
1362 #define STM_TIM234_SMCR_ETF     8
1363 #define  STM_TIM234_SMCR_ETF_NONE               0
1364 #define  STM_TIM234_SMCR_ETF_INT_N_2            1
1365 #define  STM_TIM234_SMCR_ETF_INT_N_4            2
1366 #define  STM_TIM234_SMCR_ETF_INT_N_8            3
1367 #define  STM_TIM234_SMCR_ETF_DTS_2_N_6          4
1368 #define  STM_TIM234_SMCR_ETF_DTS_2_N_8          5
1369 #define  STM_TIM234_SMCR_ETF_DTS_4_N_6          6
1370 #define  STM_TIM234_SMCR_ETF_DTS_4_N_8          7
1371 #define  STM_TIM234_SMCR_ETF_DTS_8_N_6          8
1372 #define  STM_TIM234_SMCR_ETF_DTS_8_N_8          9
1373 #define  STM_TIM234_SMCR_ETF_DTS_16_N_5         10
1374 #define  STM_TIM234_SMCR_ETF_DTS_16_N_6         11
1375 #define  STM_TIM234_SMCR_ETF_DTS_16_N_8         12
1376 #define  STM_TIM234_SMCR_ETF_DTS_32_N_5         13
1377 #define  STM_TIM234_SMCR_ETF_DTS_32_N_6         14
1378 #define  STM_TIM234_SMCR_ETF_DTS_32_N_8         15
1379 #define  STM_TIM234_SMCR_ETF_MASK               15
1380 #define STM_TIM234_SMCR_MSM     7
1381 #define STM_TIM234_SMCR_TS      4
1382 #define  STM_TIM234_SMCR_TS_ITR0                0
1383 #define  STM_TIM234_SMCR_TS_ITR1                1
1384 #define  STM_TIM234_SMCR_TS_ITR2                2
1385 #define  STM_TIM234_SMCR_TS_ITR3                3
1386 #define  STM_TIM234_SMCR_TS_TI1F_ED             4
1387 #define  STM_TIM234_SMCR_TS_TI1FP1              5
1388 #define  STM_TIM234_SMCR_TS_TI2FP2              6
1389 #define  STM_TIM234_SMCR_TS_ETRF                7
1390 #define  STM_TIM234_SMCR_TS_MASK                7
1391 #define STM_TIM234_SMCR_OCCS    3
1392 #define STM_TIM234_SMCR_SMS     0
1393 #define  STM_TIM234_SMCR_SMS_DISABLE            0
1394 #define  STM_TIM234_SMCR_SMS_ENCODER_MODE_1     1
1395 #define  STM_TIM234_SMCR_SMS_ENCODER_MODE_2     2
1396 #define  STM_TIM234_SMCR_SMS_ENCODER_MODE_3     3
1397 #define  STM_TIM234_SMCR_SMS_RESET_MODE         4
1398 #define  STM_TIM234_SMCR_SMS_GATED_MODE         5
1399 #define  STM_TIM234_SMCR_SMS_TRIGGER_MODE       6
1400 #define  STM_TIM234_SMCR_SMS_EXTERNAL_CLOCK     7
1401 #define  STM_TIM234_SMCR_SMS_MASK               7
1402
1403 #define STM_TIM234_SR_CC4OF     12
1404 #define STM_TIM234_SR_CC3OF     11
1405 #define STM_TIM234_SR_CC2OF     10
1406 #define STM_TIM234_SR_CC1OF     9
1407 #define STM_TIM234_SR_TIF       6
1408 #define STM_TIM234_SR_CC4IF     4
1409 #define STM_TIM234_SR_CC3IF     3
1410 #define STM_TIM234_SR_CC2IF     2
1411 #define STM_TIM234_SR_CC1IF     1
1412 #define STM_TIM234_SR_UIF       0
1413
1414 #define STM_TIM234_CCMR1_OC2CE  15
1415 #define STM_TIM234_CCMR1_OC2M   12
1416 #define  STM_TIM234_CCMR1_OC2M_FROZEN                   0
1417 #define  STM_TIM234_CCMR1_OC2M_SET_HIGH_ON_MATCH        1
1418 #define  STM_TIM234_CCMR1_OC2M_SET_LOW_ON_MATCH         2
1419 #define  STM_TIM234_CCMR1_OC2M_TOGGLE                   3
1420 #define  STM_TIM234_CCMR1_OC2M_FORCE_LOW                4
1421 #define  STM_TIM234_CCMR1_OC2M_FORCE_HIGH               5
1422 #define  STM_TIM234_CCMR1_OC2M_PWM_MODE_1               6
1423 #define  STM_TIM234_CCMR1_OC2M_PWM_MODE_2               7
1424 #define  STM_TIM234_CCMR1_OC2M_MASK                     7
1425 #define STM_TIM234_CCMR1_OC2PE  11
1426 #define STM_TIM234_CCMR1_OC2FE  10
1427 #define STM_TIM234_CCMR1_CC2S   8
1428 #define  STM_TIM234_CCMR1_CC2S_OUTPUT                   0
1429 #define  STM_TIM234_CCMR1_CC2S_INPUT_TI2                1
1430 #define  STM_TIM234_CCMR1_CC2S_INPUT_TI1                2
1431 #define  STM_TIM234_CCMR1_CC2S_INPUT_TRC                3
1432 #define  STM_TIM234_CCMR1_CC2S_MASK                     3
1433
1434 #define STM_TIM234_CCMR1_OC1CE  7
1435 #define STM_TIM234_CCMR1_OC1M   4
1436 #define  STM_TIM234_CCMR1_OC1M_FROZEN                   0
1437 #define  STM_TIM234_CCMR1_OC1M_SET_HIGH_ON_MATCH        1
1438 #define  STM_TIM234_CCMR1_OC1M_SET_LOW_ON_MATCH         2
1439 #define  STM_TIM234_CCMR1_OC1M_TOGGLE                   3
1440 #define  STM_TIM234_CCMR1_OC1M_FORCE_LOW                4
1441 #define  STM_TIM234_CCMR1_OC1M_FORCE_HIGH               5
1442 #define  STM_TIM234_CCMR1_OC1M_PWM_MODE_1               6
1443 #define  STM_TIM234_CCMR1_OC1M_PWM_MODE_2               7
1444 #define  STM_TIM234_CCMR1_OC1M_MASK                     7
1445 #define STM_TIM234_CCMR1_OC1PE  11
1446 #define STM_TIM234_CCMR1_OC1FE  2
1447 #define STM_TIM234_CCMR1_CC1S   0
1448 #define  STM_TIM234_CCMR1_CC1S_OUTPUT                   0
1449 #define  STM_TIM234_CCMR1_CC1S_INPUT_TI1                1
1450 #define  STM_TIM234_CCMR1_CC1S_INPUT_TI2                2
1451 #define  STM_TIM234_CCMR1_CC1S_INPUT_TRC                3
1452 #define  STM_TIM234_CCMR1_CC1S_MASK                     3
1453
1454 #define STM_TIM234_CCMR2_OC2CE  15
1455 #define STM_TIM234_CCMR2_OC4M   12
1456 #define  STM_TIM234_CCMR2_OC4M_FROZEN                   0
1457 #define  STM_TIM234_CCMR2_OC4M_SET_HIGH_ON_MATCH        1
1458 #define  STM_TIM234_CCMR2_OC4M_SET_LOW_ON_MATCH         2
1459 #define  STM_TIM234_CCMR2_OC4M_TOGGLE                   3
1460 #define  STM_TIM234_CCMR2_OC4M_FORCE_LOW                4
1461 #define  STM_TIM234_CCMR2_OC4M_FORCE_HIGH               5
1462 #define  STM_TIM234_CCMR2_OC4M_PWM_MODE_1               6
1463 #define  STM_TIM234_CCMR2_OC4M_PWM_MODE_2               7
1464 #define  STM_TIM234_CCMR2_OC4M_MASK                     7
1465 #define STM_TIM234_CCMR2_OC4PE  11
1466 #define STM_TIM234_CCMR2_OC4FE  10
1467 #define STM_TIM234_CCMR2_CC4S   8
1468 #define  STM_TIM234_CCMR2_CC4S_OUTPUT                   0
1469 #define  STM_TIM234_CCMR2_CC4S_INPUT_TI4                1
1470 #define  STM_TIM234_CCMR2_CC4S_INPUT_TI3                2
1471 #define  STM_TIM234_CCMR2_CC4S_INPUT_TRC                3
1472 #define  STM_TIM234_CCMR2_CC4S_MASK                     3
1473
1474 #define STM_TIM234_CCMR2_OC3CE  7
1475 #define STM_TIM234_CCMR2_OC3M   4
1476 #define  STM_TIM234_CCMR2_OC3M_FROZEN                   0
1477 #define  STM_TIM234_CCMR2_OC3M_SET_HIGH_ON_MATCH        1
1478 #define  STM_TIM234_CCMR2_OC3M_SET_LOW_ON_MATCH         2
1479 #define  STM_TIM234_CCMR2_OC3M_TOGGLE                   3
1480 #define  STM_TIM234_CCMR2_OC3M_FORCE_LOW                4
1481 #define  STM_TIM234_CCMR2_OC3M_FORCE_HIGH               5
1482 #define  STM_TIM234_CCMR2_OC3M_PWM_MODE_1               6
1483 #define  STM_TIM234_CCMR2_OC3M_PWM_MODE_2               7
1484 #define  STM_TIM234_CCMR2_OC3M_MASK                     7
1485 #define STM_TIM234_CCMR2_OC3PE  11
1486 #define STM_TIM234_CCMR2_OC3FE  2
1487 #define STM_TIM234_CCMR2_CC3S   0
1488 #define  STM_TIM234_CCMR2_CC3S_OUTPUT                   0
1489 #define  STM_TIM234_CCMR2_CC3S_INPUT_TI3                1
1490 #define  STM_TIM234_CCMR2_CC3S_INPUT_TI4                2
1491 #define  STM_TIM234_CCMR2_CC3S_INPUT_TRC                3
1492 #define  STM_TIM234_CCMR2_CC3S_MASK                     3
1493
1494 #define STM_TIM234_CCER_CC4NP   15
1495 #define STM_TIM234_CCER_CC4P    13
1496 #define STM_TIM234_CCER_CC4E    12
1497 #define STM_TIM234_CCER_CC3NP   11
1498 #define STM_TIM234_CCER_CC3P    9
1499 #define STM_TIM234_CCER_CC3E    8
1500 #define STM_TIM234_CCER_CC2NP   7
1501 #define STM_TIM234_CCER_CC2P    5
1502 #define STM_TIM234_CCER_CC2E    4
1503 #define STM_TIM234_CCER_CC1NP   3
1504 #define STM_TIM234_CCER_CC1P    1
1505 #define STM_TIM234_CCER_CC1E    0
1506
1507 struct stm_usb {
1508         vuint32_t       epr[8];
1509         uint8_t         reserved_20[0x40 - 0x20];
1510         vuint32_t       cntr;
1511         vuint32_t       istr;
1512         vuint32_t       fnr;
1513         vuint32_t       daddr;
1514         vuint32_t       btable;
1515 };
1516
1517 #define STM_USB_EPR_CTR_RX      15
1518 #define  STM_USB_EPR_CTR_RX_WRITE_INVARIANT             1
1519 #define STM_USB_EPR_DTOG_RX     14
1520 #define STM_USB_EPR_DTOG_RX_WRITE_INVARIANT             0
1521 #define STM_USB_EPR_STAT_RX     12
1522 #define  STM_USB_EPR_STAT_RX_DISABLED                   0
1523 #define  STM_USB_EPR_STAT_RX_STALL                      1
1524 #define  STM_USB_EPR_STAT_RX_NAK                        2
1525 #define  STM_USB_EPR_STAT_RX_VALID                      3
1526 #define  STM_USB_EPR_STAT_RX_MASK                       3
1527 #define  STM_USB_EPR_STAT_RX_WRITE_INVARIANT            0
1528 #define STM_USB_EPR_SETUP       11
1529 #define STM_USB_EPR_EP_TYPE     9
1530 #define  STM_USB_EPR_EP_TYPE_BULK                       0
1531 #define  STM_USB_EPR_EP_TYPE_CONTROL                    1
1532 #define  STM_USB_EPR_EP_TYPE_ISO                        2
1533 #define  STM_USB_EPR_EP_TYPE_INTERRUPT                  3
1534 #define  STM_USB_EPR_EP_TYPE_MASK                       3
1535 #define STM_USB_EPR_EP_KIND     8
1536 #define  STM_USB_EPR_EP_KIND_DBL_BUF                    1       /* Bulk */
1537 #define  STM_USB_EPR_EP_KIND_STATUS_OUT                 1       /* Control */
1538 #define STM_USB_EPR_CTR_TX      7
1539 #define  STM_USB_CTR_TX_WRITE_INVARIANT                 1
1540 #define STM_USB_EPR_DTOG_TX     6
1541 #define  STM_USB_EPR_DTOG_TX_WRITE_INVARIANT            0
1542 #define STM_USB_EPR_STAT_TX     4
1543 #define  STM_USB_EPR_STAT_TX_DISABLED                   0
1544 #define  STM_USB_EPR_STAT_TX_STALL                      1
1545 #define  STM_USB_EPR_STAT_TX_NAK                        2
1546 #define  STM_USB_EPR_STAT_TX_VALID                      3
1547 #define  STM_USB_EPR_STAT_TX_WRITE_INVARIANT            0
1548 #define  STM_USB_EPR_STAT_TX_MASK                       3
1549 #define STM_USB_EPR_EA          0
1550 #define  STM_USB_EPR_EA_MASK                            0xf
1551
1552 #define STM_USB_CNTR_CTRM       15
1553 #define STM_USB_CNTR_PMAOVRM    14
1554 #define STM_USB_CNTR_ERRM       13
1555 #define STM_USB_CNTR_WKUPM      12
1556 #define STM_USB_CNTR_SUSPM      11
1557 #define STM_USB_CNTR_RESETM     10
1558 #define STM_USB_CNTR_SOFM       9
1559 #define STM_USB_CNTR_ESOFM      8
1560 #define STM_USB_CNTR_RESUME     4
1561 #define STM_USB_CNTR_FSUSP      3
1562 #define STM_USB_CNTR_LP_MODE    2
1563 #define STM_USB_CNTR_PDWN       1
1564 #define STM_USB_CNTR_FRES       0
1565
1566 #define STM_USB_ISTR_CTR        15
1567 #define STM_USB_ISTR_PMAOVR     14
1568 #define STM_USB_ISTR_ERR        13
1569 #define STM_USB_ISTR_WKUP       12
1570 #define STM_USB_ISTR_SUSP       11
1571 #define STM_USB_ISTR_RESET      10
1572 #define STM_USB_ISTR_SOF        9
1573 #define STM_USB_ISTR_ESOF       8
1574 #define STM_USB_ISTR_DIR        4
1575 #define STM_USB_ISTR_EP_ID      0
1576 #define  STM_USB_ISTR_EP_ID_MASK                0xf
1577
1578 #define STM_USB_FNR_RXDP        15
1579 #define STM_USB_FNR_RXDM        14
1580 #define STM_USB_FNR_LCK         13
1581 #define STM_USB_FNR_LSOF        11
1582 #define  STM_USB_FNR_LSOF_MASK                  0x3
1583 #define STM_USB_FNR_FN          0
1584 #define  STM_USB_FNR_FN_MASK                    0x7ff
1585
1586 #define STM_USB_DADDR_EF        7
1587 #define STM_USB_DADDR_ADD       0
1588 #define  STM_USB_DADDR_ADD_MASK                 0x7f
1589
1590 extern struct stm_usb stm_usb;
1591
1592 union stm_usb_bdt {
1593         struct {
1594                 vuint32_t       addr_tx;
1595                 vuint32_t       count_tx;
1596                 vuint32_t       addr_rx;
1597                 vuint32_t       count_rx;
1598         } single;
1599         struct {
1600                 vuint32_t       addr;
1601                 vuint32_t       count;
1602         } double_tx[2];
1603         struct {
1604                 vuint32_t       addr;
1605                 vuint32_t       count;
1606         } double_rx[2];
1607 };
1608
1609 #define STM_USB_BDT_COUNT_RX_BL_SIZE    15
1610 #define STM_USB_BDT_COUNT_RX_NUM_BLOCK  10
1611 #define  STM_USB_BDT_COUNT_RX_NUM_BLOCK_MASK    0x1f
1612 #define STM_USB_BDT_COUNT_RX_COUNT_RX   0
1613 #define  STM_USB_BDT_COUNT_RX_COUNT_RX_MASK     0x1ff
1614
1615 #define STM_USB_BDT_SIZE        8
1616
1617 extern uint8_t stm_usb_sram[];
1618
1619 struct stm_exti {
1620         vuint32_t       imr;
1621         vuint32_t       emr;
1622         vuint32_t       rtsr;
1623         vuint32_t       ftsr;
1624
1625         vuint32_t       swier;
1626         vuint32_t       pr;
1627 };
1628
1629 extern struct stm_exti stm_exti;
1630
1631 #endif /* _STM32L_H_ */