altos: Add program flash function
[fw/altos] / src / stm / stm32l.h
index 39dd710d8d4d3971e2883f3553f806fbf5ae7137..63bde0f8b29b475d887ddd2624c43fcc70395040 100644 (file)
@@ -101,13 +101,13 @@ stm_ospeedr_get(struct stm_gpio *gpio, int pin) {
 #define STM_PUPDR_RESERVED             3
 
 static inline void
-stm_pupdr_set(struct stm_gpio *gpio, int pin, vuint32_t value) {
+stm_pupdr_set(struct stm_gpio *gpio, int pin, uint32_t value) {
        gpio->pupdr = ((gpio->pupdr &
                        ~(STM_PUPDR_MASK << STM_PUPDR_SHIFT(pin))) |
                       value << STM_PUPDR_SHIFT(pin));
 }
        
-static inline vuint32_t
+static inline uint32_t
 stm_pupdr_get(struct stm_gpio *gpio, int pin) {
        return (gpio->pupdr >> STM_PUPDR_SHIFT(pin)) & STM_PUPDR_MASK;
 }
@@ -167,7 +167,7 @@ stm_gpio_set(struct stm_gpio *gpio, int pin, uint8_t value) {
 }
 
 static inline uint8_t
-stm_gpio_isset(struct stm_gpio *gpio, int pin) {
+stm_gpio_get(struct stm_gpio *gpio, int pin) {
        return (gpio->idr >> pin) & 1;
 }
 
@@ -254,8 +254,138 @@ struct stm_tim {
 };
 
 extern struct stm_tim stm_tim9;
-extern struct stm_tim stm_tim10;
-extern struct stm_tim stm_tim11;
+
+struct stm_tim1011 {
+       vuint32_t       cr1;
+       uint32_t        unused_4;
+       vuint32_t       smcr;
+       vuint32_t       dier;
+       vuint32_t       sr;
+       vuint32_t       egr;
+       vuint32_t       ccmr1;
+       uint32_t        unused_1c;
+       vuint32_t       ccer;
+       vuint32_t       cnt;
+       vuint32_t       psc;
+       vuint32_t       arr;
+       uint32_t        unused_30;
+       vuint32_t       ccr1;
+       uint32_t        unused_38;
+       uint32_t        unused_3c;
+       uint32_t        unused_40;
+       uint32_t        unused_44;
+       uint32_t        unused_48;
+       uint32_t        unused_4c;
+       vuint32_t       or;
+};
+
+extern struct stm_tim1011 stm_tim10;
+extern struct stm_tim1011 stm_tim11;
+
+#define STM_TIM1011_CR1_CKD    8
+#define  STM_TIM1011_CR1_CKD_1         0
+#define  STM_TIM1011_CR1_CKD_2         1
+#define  STM_TIM1011_CR1_CKD_4         2
+#define  STM_TIM1011_CR1_CKD_MASK      3
+#define STM_TIM1011_CR1_ARPE   7
+#define STM_TIM1011_CR1_URS    2
+#define STM_TIM1011_CR1_UDIS   1
+#define STM_TIM1011_CR1_CEN    0
+
+#define STM_TIM1011_SMCR_ETP   15
+#define STM_TIM1011_SMCR_ECE   14
+#define STM_TIM1011_SMCR_ETPS  12
+#define  STM_TIM1011_SMCR_ETPS_OFF     0
+#define  STM_TIM1011_SMCR_ETPS_2       1
+#define  STM_TIM1011_SMCR_ETPS_4       2
+#define  STM_TIM1011_SMCR_ETPS_8       3
+#define  STM_TIM1011_SMCR_ETPS_MASK    3
+#define STM_TIM1011_SMCR_ETF   8
+#define  STM_TIM1011_SMCR_ETF_NONE             0
+#define  STM_TIM1011_SMCR_ETF_CK_INT_2         1
+#define  STM_TIM1011_SMCR_ETF_CK_INT_4         2
+#define  STM_TIM1011_SMCR_ETF_CK_INT_8         3
+#define  STM_TIM1011_SMCR_ETF_DTS_2_6          4
+#define  STM_TIM1011_SMCR_ETF_DTS_2_8          5
+#define  STM_TIM1011_SMCR_ETF_DTS_4_6          6
+#define  STM_TIM1011_SMCR_ETF_DTS_4_8          7
+#define  STM_TIM1011_SMCR_ETF_DTS_8_6          8
+#define  STM_TIM1011_SMCR_ETF_DTS_8_8          9
+#define  STM_TIM1011_SMCR_ETF_DTS_16_5         10
+#define  STM_TIM1011_SMCR_ETF_DTS_16_6         11
+#define  STM_TIM1011_SMCR_ETF_DTS_16_8         12
+#define  STM_TIM1011_SMCR_ETF_DTS_32_5         13
+#define  STM_TIM1011_SMCR_ETF_DTS_32_6         14
+#define  STM_TIM1011_SMCR_ETF_DTS_32_8         15
+#define  STM_TIM1011_SMCR_ETF_MASK             15
+
+#define STM_TIM1011_DIER_CC1E  1
+#define STM_TIM1011_DIER_UIE   0
+
+#define STM_TIM1011_SR_CC1OF   9
+#define STM_TIM1011_SR_CC1IF   1
+#define STM_TIM1011_SR_UIF     0
+
+#define STM_TIM1011_EGR_CC1G   1
+#define STM_TIM1011_EGR_UG     0
+
+#define STM_TIM1011_CCMR1_OC1CE        7
+#define STM_TIM1011_CCMR1_OC1M 4
+#define  STM_TIM1011_CCMR1_OC1M_FROZEN                 0
+#define  STM_TIM1011_CCMR1_OC1M_SET_1_ACTIVE_ON_MATCH  1
+#define  STM_TIM1011_CCMR1_OC1M_SET_1_INACTIVE_ON_MATCH        2
+#define  STM_TIM1011_CCMR1_OC1M_TOGGLE                 3
+#define  STM_TIM1011_CCMR1_OC1M_FORCE_INACTIVE         4
+#define  STM_TIM1011_CCMR1_OC1M_FORCE_ACTIVE           5
+#define  STM_TIM1011_CCMR1_OC1M_PWM_MODE_1             6
+#define  STM_TIM1011_CCMR1_OC1M_PWM_MODE_2             7
+#define  STM_TIM1011_CCMR1_OC1M_MASK                   7
+#define STM_TIM1011_CCMR1_OC1PE        3
+#define STM_TIM1011_CCMR1_OC1FE        2
+#define STM_TIM1011_CCMR1_CC1S 0
+#define  STM_TIM1011_CCMR1_CC1S_OUTPUT                 0
+#define  STM_TIM1011_CCMR1_CC1S_INPUT_TI1              1
+#define  STM_TIM1011_CCMR1_CC1S_INPUT_TI2              2
+#define  STM_TIM1011_CCMR1_CC1S_INPUT_TRC              3
+#define  STM_TIM1011_CCMR1_CC1S_MASK                   3
+
+#define  STM_TIM1011_CCMR1_IC1F_NONE           0
+#define  STM_TIM1011_CCMR1_IC1F_CK_INT_2       1
+#define  STM_TIM1011_CCMR1_IC1F_CK_INT_4       2
+#define  STM_TIM1011_CCMR1_IC1F_CK_INT_8       3
+#define  STM_TIM1011_CCMR1_IC1F_DTS_2_6                4
+#define  STM_TIM1011_CCMR1_IC1F_DTS_2_8                5
+#define  STM_TIM1011_CCMR1_IC1F_DTS_4_6                6
+#define  STM_TIM1011_CCMR1_IC1F_DTS_4_8                7
+#define  STM_TIM1011_CCMR1_IC1F_DTS_8_6                8
+#define  STM_TIM1011_CCMR1_IC1F_DTS_8_8                9
+#define  STM_TIM1011_CCMR1_IC1F_DTS_16_5       10
+#define  STM_TIM1011_CCMR1_IC1F_DTS_16_6       11
+#define  STM_TIM1011_CCMR1_IC1F_DTS_16_8       12
+#define  STM_TIM1011_CCMR1_IC1F_DTS_32_5       13
+#define  STM_TIM1011_CCMR1_IC1F_DTS_32_6       14
+#define  STM_TIM1011_CCMR1_IC1F_DTS_32_8       15
+#define  STM_TIM1011_CCMR1_IC1F_MASK           15
+#define STM_TIM1011_CCMR1_IC1PSC       2
+#define  STM_TIM1011_CCMR1_IC1PSC_1            0
+#define  STM_TIM1011_CCMR1_IC1PSC_2            1
+#define  STM_TIM1011_CCMR1_IC1PSC_4            2
+#define  STM_TIM1011_CCMR1_IC1PSC_8            3
+#define  STM_TIM1011_CCMR1_IC1PSC_MASK         3
+#define STM_TIM1011_CCMR1_CC1S         0
+
+#define STM_TIM1011_CCER_CC1NP         3
+#define STM_TIM1011_CCER_CC1P          1
+#define STM_TIM1011_CCER_CC1E          0
+
+#define STM_TIM1011_OR_TI1_RMP_RI      3
+#define STM_TIM1011_ETR_RMP            2
+#define STM_TIM1011_TI1_RMP            0
+#define  STM_TIM1011_TI1_RMP_GPIO              0
+#define  STM_TIM1011_TI1_RMP_LSI               1
+#define  STM_TIM1011_TI1_RMP_LSE               2
+#define  STM_TIM1011_TI1_RMP_RTC               3
+#define  STM_TIM1011_TI1_RMP_MASK              3
 
 /* Flash interface */
 
@@ -281,6 +411,33 @@ extern struct stm_flash    stm_flash;
 #define STM_FLASH_ACR_PRFEN    (1)
 #define STM_FLASH_ACR_LATENCY  (0)
 
+#define STM_FLASH_PECR_OBL_LAUNCH      18
+#define STM_FLASH_PECR_ERRIE           17
+#define STM_FLASH_PECR_EOPIE           16
+#define STM_FLASH_PECR_FPRG            10
+#define STM_FLASH_PECR_ERASE           9
+#define STM_FLASH_PECR_FTDW            8
+#define STM_FLASH_PECR_DATA            4
+#define STM_FLASH_PECR_PROG            3
+#define STM_FLASH_PECR_OPTLOCK         2
+#define STM_FLASH_PECR_PRGLOCK         1
+#define STM_FLASH_PECR_PELOCK          0
+
+#define STM_FLASH_SR_OPTVERR           11
+#define STM_FLASH_SR_SIZERR            10
+#define STM_FLASH_SR_PGAERR            9
+#define STM_FLASH_SR_WRPERR            8
+#define STM_FLASH_SR_READY             3
+#define STM_FLASH_SR_ENDHV             2
+#define STM_FLASH_SR_EOP               1
+#define STM_FLASH_SR_BSY               0
+
+#define STM_FLASH_PEKEYR_PEKEY1        0x89ABCDEF
+#define STM_FLASH_PEKEYR_PEKEY2 0x02030405
+
+#define STM_FLASH_PRGKEYR_PRGKEY1 0x8C9DAEBF
+#define STM_FLASH_PRGKEYR_PRGKEY2 0x13141516
+
 struct stm_rcc {
        vuint32_t       cr;
        vuint32_t       icscr;
@@ -289,7 +446,7 @@ struct stm_rcc {
 
        vuint32_t       ahbrstr;
        vuint32_t       apb2rstr;
-       vuint32_t       abp1rstr;
+       vuint32_t       apb1rstr;
        vuint32_t       ahbenr;
 
        vuint32_t       apb2enr;
@@ -303,6 +460,9 @@ struct stm_rcc {
 
 extern struct stm_rcc stm_rcc;
 
+/* Nominal high speed internal oscillator frequency is 16MHz */
+#define STM_HSI_FREQ           16000000
+
 #define STM_RCC_CR_RTCPRE      (29)
 #define  STM_RCC_CR_RTCPRE_HSE_DIV_2   0
 #define  STM_RCC_CR_RTCPRE_HSE_DIV_4   1
@@ -654,30 +814,59 @@ extern struct stm_lcd stm_lcd;
 #define STM_LCD_CLR_UDDC               (3)
 #define STM_LCD_CLR_SOFC               (1)
 
+/* The SYSTICK starts at 0xe000e010 */
+
+struct stm_systick {
+       vuint32_t       csr;
+       vuint32_t       rvr;
+       vuint32_t       cvr;
+       vuint32_t       calib;
+};
+
+extern struct stm_systick stm_systick;
+
+#define STM_SYSTICK_CSR_ENABLE         0
+#define STM_SYSTICK_CSR_TICKINT                1
+#define STM_SYSTICK_CSR_CLKSOURCE      2
+#define  STM_SYSTICK_CSR_CLKSOURCE_HCLK_8              0
+#define  STM_SYSTICK_CSR_CLKSOURCE_HCLK                        1
+#define STM_SYSTICK_CSR_COUNTFLAG      16
+
+/* The NVIC starts at 0xe000e100, so add that to the offsets to find the absolute address */
+
 struct stm_nvic {
-       vuint32_t       iser[3];        /* 0x000 */
+       vuint32_t       iser[8];        /* 0x000 0xe000e100 Set Enable Register */
+
+       uint8_t         _unused020[0x080 - 0x020];
 
-       uint8_t         _unused00c[0x080 - 0x00c];
+       vuint32_t       icer[8];        /* 0x080 0xe000e180 Clear Enable Register */
 
-       vuint32_t       icer[3];        /* 0x080 */
+       uint8_t         _unused0a0[0x100 - 0x0a0];
 
-       uint8_t         _unused08c[0x100 - 0x08c];
+       vuint32_t       ispr[8];        /* 0x100 0xe000e200 Set Pending Register */
 
-       vuint32_t       ispr[3];        /* 0x100 */
+       uint8_t         _unused120[0x180 - 0x120];
 
-       uint8_t         _unused10c[0x180 - 0x10c];
+       vuint32_t       icpr[8];        /* 0x180 0xe000e280 Clear Pending Register */
 
-       vuint32_t       icpr[3];        /* 0x180 */
+       uint8_t         _unused1a0[0x200 - 0x1a0];
 
-       uint8_t         _unused18c[0x200 - 0x18c];
+       vuint32_t       iabr[8];        /* 0x200 0xe000e300 Active Bit Register */
 
-       vuint32_t       iabr[3];        /* 0x200 */
+       uint8_t         _unused220[0x300 - 0x220];
 
-       uint8_t         _unused20c[0x300 - 0x20c];
+       vuint32_t       ipr[60];        /* 0x300 0xe000e400 Priority Register */
 
-       vuint32_t       ipr[21];        /* 0x300 */
+       uint8_t         _unused3f0[0xc00 - 0x3f0];
 
-       uint8_t         _unused324[0xe00 - 0x324];
+       vuint32_t       cpuid_base;     /* 0xc00 0xe000ed00 CPUID Base Register */
+       vuint32_t       ics;            /* 0xc04 0xe000ed04 Interrupt Control State Register */
+       vuint32_t       vto;            /* 0xc08 0xe000ed08 Vector Table Offset Register */
+       vuint32_t       ai_rc;          /* 0xc0c 0xe000ed0c Application Interrupt/Reset Control Register */
+       vuint32_t       sc;             /* 0xc10 0xe000ed10 System Control Register */
+       vuint32_t       cc;             /* 0xc14 0xe000ed14 Configuration Control Register */
+
+       uint8_t         _unusedc18[0xe00 - 0xc18];
 
        vuint32_t       stir;           /* 0xe00 */
 };
@@ -744,6 +933,93 @@ stm_nvic_get_priority(int irq) {
        return (stm_nvic.ipr[IRQ_PRIO_REG(irq)] >> IRQ_PRIO_BIT(irq)) & IRQ_PRIO_MASK(0);
 }
 
+struct stm_scb {
+       vuint32_t       cpuid;
+       vuint32_t       icsr;
+       vuint32_t       vtor;
+       vuint32_t       aircr;
+
+       vuint32_t       scr;
+       vuint32_t       ccr;
+       vuint32_t       shpr1;
+       vuint32_t       shpr2;
+
+       vuint32_t       shpr3;
+       vuint32_t       shcrs;
+       vuint32_t       cfsr;
+       vuint32_t       hfsr;
+
+       uint32_t        unused_30;
+       vuint32_t       mmfar;
+       vuint32_t       bfar;
+};
+
+extern struct stm_scb stm_scb;
+
+#define STM_SCB_AIRCR_VECTKEY          16
+#define  STM_SCB_AIRCR_VECTKEY_KEY             0x05fa
+#define STM_SCB_AIRCR_PRIGROUP         8
+#define STM_SCB_AIRCR_SYSRESETREQ      2
+#define STM_SCB_AIRCR_VECTCLRACTIVE    1
+#define STM_SCB_AIRCR_VECTRESET                0
+
+struct stm_mpu {
+       vuint32_t       typer;
+       vuint32_t       cr;
+       vuint32_t       rnr;
+       vuint32_t       rbar;
+
+       vuint32_t       rasr;
+       vuint32_t       rbar_a1;
+       vuint32_t       rasr_a1;
+       vuint32_t       rbar_a2;
+       vuint32_t       rasr_a2;
+       vuint32_t       rbar_a3;
+       vuint32_t       rasr_a3;
+};
+
+extern struct stm_mpu stm_mpu;
+
+#define STM_MPU_TYPER_IREGION  16
+#define  STM_MPU_TYPER_IREGION_MASK    0xff
+#define STM_MPU_TYPER_DREGION  8
+#define  STM_MPU_TYPER_DREGION_MASK    0xff
+#define STM_MPU_TYPER_SEPARATE 0
+
+#define STM_MPU_CR_PRIVDEFENA  2
+#define STM_MPU_CR_HFNMIENA    1
+#define STM_MPU_CR_ENABLE      0
+
+#define STM_MPU_RNR_REGION     0
+#define STM_MPU_RNR_REGION_MASK                0xff
+
+#define STM_MPU_RBAR_ADDR      5
+#define STM_MPU_RBAR_ADDR_MASK         0x7ffffff
+
+#define STM_MPU_RBAR_VALID     4
+#define STM_MPU_RBAR_REGION    0
+#define STM_MPU_RBAR_REGION_MASK       0xf
+
+#define STM_MPU_RASR_XN                28
+#define STM_MPU_RASR_AP                24
+#define  STM_MPU_RASR_AP_NONE_NONE     0
+#define  STM_MPU_RASR_AP_RW_NONE       1
+#define  STM_MPU_RASR_AP_RW_RO         2
+#define  STM_MPU_RASR_AP_RW_RW         3
+#define  STM_MPU_RASR_AP_RO_NONE       5
+#define  STM_MPU_RASR_AP_RO_RO         6
+#define  STM_MPU_RASR_AP_MASK          7
+#define STM_MPU_RASR_TEX       19
+#define  STM_MPU_RASR_TEX_MASK         7
+#define STM_MPU_RASR_S         18
+#define STM_MPU_RASR_C         17
+#define STM_MPU_RASR_B         16
+#define STM_MPU_RASR_SRD       8
+#define  STM_MPU_RASR_SRD_MASK         0xff
+#define STM_MPU_RASR_SIZE      1
+#define  STM_MPU_RASR_SIZE_MASK                0x1f
+#define STM_MPU_RASR_ENABLE    0
+
 #define isr(name) void stm_ ## name ## _isr(void);
 
 isr(nmi)
@@ -849,6 +1125,53 @@ isr(tim7)
 #define STM_ISR_TIM6_POS               43
 #define STM_ISR_TIM7_POS               44
 
+struct stm_syscfg {
+       vuint32_t       memrmp;
+       vuint32_t       pmc;
+       vuint32_t       exticr[4];
+};
+
+extern struct stm_syscfg stm_syscfg;
+
+#define STM_SYSCFG_MEMRMP_MEM_MODE     0
+#define  STM_SYSCFG_MEMRMP_MEM_MODE_MAIN_FLASH         0
+#define  STM_SYSCFG_MEMRMP_MEM_MODE_SYSTEM_FLASH       1
+#define  STM_SYSCFG_MEMRMP_MEM_MODE_SRAM               3
+#define  STM_SYSCFG_MEMRMP_MEM_MODE_MASK               3
+
+#define STM_SYSCFG_PMC_USB_PU          0
+
+#define STM_SYSCFG_EXTICR_PA           0
+#define STM_SYSCFG_EXTICR_PB           1
+#define STM_SYSCFG_EXTICR_PC           2
+#define STM_SYSCFG_EXTICR_PD           3
+#define STM_SYSCFG_EXTICR_PE           4
+#define STM_SYSCFG_EXTICR_PH           5
+
+static inline void
+stm_exticr_set(struct stm_gpio *gpio, int pin) {
+       uint8_t reg = pin >> 2;
+       uint8_t shift = (pin & 3) << 2;
+       uint8_t val = 0;
+
+       /* Enable SYSCFG */
+       stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_SYSCFGEN);
+
+       if (gpio == &stm_gpioa)
+               val = STM_SYSCFG_EXTICR_PA;
+       else if (gpio == &stm_gpiob)
+               val = STM_SYSCFG_EXTICR_PB;
+       else if (gpio == &stm_gpioc)
+               val = STM_SYSCFG_EXTICR_PC;
+       else if (gpio == &stm_gpiod)
+               val = STM_SYSCFG_EXTICR_PD;
+       else if (gpio == &stm_gpioe)
+               val = STM_SYSCFG_EXTICR_PE;
+
+       stm_syscfg.exticr[reg] = (stm_syscfg.exticr[reg] & ~(0xf << shift)) | val << shift;
+}
+
+
 struct stm_dma_channel {
        vuint32_t       ccr;
        vuint32_t       cndtr;
@@ -931,8 +1254,8 @@ extern struct stm_dma stm_dma;
 #define STM_DMA_CHANNEL_USART2_TX      7
 #define STM_DMA_CHANNEL_I2C2_TX                4
 #define STM_DMA_CHANNEL_I2C2_RX                5
-#define STM_DMA_CHANNEL_I2C1_RX                6
-#define STM_DMA_CHANNEL_I2C1_TX                7
+#define STM_DMA_CHANNEL_I2C1_TX                6
+#define STM_DMA_CHANNEL_I2C1_RX                7
 #define STM_DMA_CHANNEL_TIM2_CH3       1
 #define STM_DMA_CHANNEL_TIM2_UP                2
 #define STM_DMA_CHANNEL_TIM2_CH1       5
@@ -1208,7 +1531,7 @@ extern struct stm_i2c stm_i2c1, stm_i2c2;
 #define  STM_I2C_CR2_FREQ_8_MHZ                8
 #define  STM_I2C_CR2_FREQ_16_MHZ       16
 #define  STM_I2C_CR2_FREQ_32_MHZ       32
-#define  STM_I2C_CR2_FREQ_MASK         0x3f;
+#define  STM_I2C_CR2_FREQ_MASK         0x3f
 
 #define STM_I2C_SR1_SMBALERT   15
 #define STM_I2C_SR1_TIMEOUT    14
@@ -1284,6 +1607,8 @@ extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
 #define  STM_TIM234_CR1_CMS_CENTER_3   3
 #define  STM_TIM234_CR1_CMS_MASK       3
 #define STM_TIM234_CR1_DIR     4
+#define  STM_TIM234_CR1_DIR_UP         0
+#define  STM_TIM234_CR1_DIR_DOWN       1
 #define STM_TIM234_CR1_OPM     3
 #define STM_TIM234_CR1_URS     2
 #define STM_TIM234_CR1_UDIS    1
@@ -1330,10 +1655,10 @@ extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
 #define  STM_TIM234_SMCR_ETF_MASK              15
 #define STM_TIM234_SMCR_MSM    7
 #define STM_TIM234_SMCR_TS     4
-#define  STM_TIM234_SMCR_TS_TR0                        0
-#define  STM_TIM234_SMCR_TS_TR1                        1
-#define  STM_TIM234_SMCR_TS_TR2                        2
-#define  STM_TIM234_SMCR_TS_TR3                        3
+#define  STM_TIM234_SMCR_TS_ITR0               0
+#define  STM_TIM234_SMCR_TS_ITR1               1
+#define  STM_TIM234_SMCR_TS_ITR2               2
+#define  STM_TIM234_SMCR_TS_ITR3               3
 #define  STM_TIM234_SMCR_TS_TI1F_ED            4
 #define  STM_TIM234_SMCR_TS_TI1FP1             5
 #define  STM_TIM234_SMCR_TS_TI2FP2             6
@@ -1362,6 +1687,13 @@ extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
 #define STM_TIM234_SR_CC1IF    1
 #define STM_TIM234_SR_UIF      0
 
+#define STM_TIM234_EGR_TG      6
+#define STM_TIM234_EGR_CC4G    4
+#define STM_TIM234_EGR_CC3G    3
+#define STM_TIM234_EGR_CC2G    2
+#define STM_TIM234_EGR_CC1G    1
+#define STM_TIM234_EGR_UG      0
+
 #define STM_TIM234_CCMR1_OC2CE 15
 #define STM_TIM234_CCMR1_OC2M  12
 #define  STM_TIM234_CCMR1_OC2M_FROZEN                  0
@@ -1455,4 +1787,128 @@ extern struct stm_tim234 stm_tim2, stm_tim3, stm_tim4;
 #define STM_TIM234_CCER_CC1P   1
 #define STM_TIM234_CCER_CC1E   0
 
+struct stm_usb {
+       vuint32_t       epr[8];
+       uint8_t         reserved_20[0x40 - 0x20];
+       vuint32_t       cntr;
+       vuint32_t       istr;
+       vuint32_t       fnr;
+       vuint32_t       daddr;
+       vuint32_t       btable;
+};
+
+#define STM_USB_EPR_CTR_RX     15
+#define  STM_USB_EPR_CTR_RX_WRITE_INVARIANT            1
+#define STM_USB_EPR_DTOG_RX    14
+#define STM_USB_EPR_DTOG_RX_WRITE_INVARIANT            0
+#define STM_USB_EPR_STAT_RX    12
+#define  STM_USB_EPR_STAT_RX_DISABLED                  0
+#define  STM_USB_EPR_STAT_RX_STALL                     1
+#define  STM_USB_EPR_STAT_RX_NAK                       2
+#define  STM_USB_EPR_STAT_RX_VALID                     3
+#define  STM_USB_EPR_STAT_RX_MASK                      3
+#define  STM_USB_EPR_STAT_RX_WRITE_INVARIANT           0
+#define STM_USB_EPR_SETUP      11
+#define STM_USB_EPR_EP_TYPE    9
+#define  STM_USB_EPR_EP_TYPE_BULK                      0
+#define  STM_USB_EPR_EP_TYPE_CONTROL                   1
+#define  STM_USB_EPR_EP_TYPE_ISO                       2
+#define  STM_USB_EPR_EP_TYPE_INTERRUPT                 3
+#define  STM_USB_EPR_EP_TYPE_MASK                      3
+#define STM_USB_EPR_EP_KIND    8
+#define  STM_USB_EPR_EP_KIND_DBL_BUF                   1       /* Bulk */
+#define  STM_USB_EPR_EP_KIND_STATUS_OUT                        1       /* Control */
+#define STM_USB_EPR_CTR_TX     7
+#define  STM_USB_CTR_TX_WRITE_INVARIANT                        1
+#define STM_USB_EPR_DTOG_TX    6
+#define  STM_USB_EPR_DTOG_TX_WRITE_INVARIANT           0
+#define STM_USB_EPR_STAT_TX    4
+#define  STM_USB_EPR_STAT_TX_DISABLED                  0
+#define  STM_USB_EPR_STAT_TX_STALL                     1
+#define  STM_USB_EPR_STAT_TX_NAK                       2
+#define  STM_USB_EPR_STAT_TX_VALID                     3
+#define  STM_USB_EPR_STAT_TX_WRITE_INVARIANT           0
+#define  STM_USB_EPR_STAT_TX_MASK                      3
+#define STM_USB_EPR_EA         0
+#define  STM_USB_EPR_EA_MASK                           0xf
+
+#define STM_USB_CNTR_CTRM      15
+#define STM_USB_CNTR_PMAOVRM   14
+#define STM_USB_CNTR_ERRM      13
+#define STM_USB_CNTR_WKUPM     12
+#define STM_USB_CNTR_SUSPM     11
+#define STM_USB_CNTR_RESETM    10
+#define STM_USB_CNTR_SOFM      9
+#define STM_USB_CNTR_ESOFM     8
+#define STM_USB_CNTR_RESUME    4
+#define STM_USB_CNTR_FSUSP     3
+#define STM_USB_CNTR_LP_MODE   2
+#define STM_USB_CNTR_PDWN      1
+#define STM_USB_CNTR_FRES      0
+
+#define STM_USB_ISTR_CTR       15
+#define STM_USB_ISTR_PMAOVR    14
+#define STM_USB_ISTR_ERR       13
+#define STM_USB_ISTR_WKUP      12
+#define STM_USB_ISTR_SUSP      11
+#define STM_USB_ISTR_RESET     10
+#define STM_USB_ISTR_SOF       9
+#define STM_USB_ISTR_ESOF      8
+#define STM_USB_ISTR_DIR       4
+#define STM_USB_ISTR_EP_ID     0
+#define  STM_USB_ISTR_EP_ID_MASK               0xf
+
+#define STM_USB_FNR_RXDP       15
+#define STM_USB_FNR_RXDM       14
+#define STM_USB_FNR_LCK                13
+#define STM_USB_FNR_LSOF       11
+#define  STM_USB_FNR_LSOF_MASK                 0x3
+#define STM_USB_FNR_FN         0
+#define  STM_USB_FNR_FN_MASK                   0x7ff
+
+#define STM_USB_DADDR_EF       7
+#define STM_USB_DADDR_ADD      0
+#define  STM_USB_DADDR_ADD_MASK                        0x7f
+
+extern struct stm_usb stm_usb;
+
+union stm_usb_bdt {
+       struct {
+               vuint32_t       addr_tx;
+               vuint32_t       count_tx;
+               vuint32_t       addr_rx;
+               vuint32_t       count_rx;
+       } single;
+       struct {
+               vuint32_t       addr;
+               vuint32_t       count;
+       } double_tx[2];
+       struct {
+               vuint32_t       addr;
+               vuint32_t       count;
+       } double_rx[2];
+};
+
+#define STM_USB_BDT_COUNT_RX_BL_SIZE   15
+#define STM_USB_BDT_COUNT_RX_NUM_BLOCK 10
+#define  STM_USB_BDT_COUNT_RX_NUM_BLOCK_MASK   0x1f
+#define STM_USB_BDT_COUNT_RX_COUNT_RX  0
+#define  STM_USB_BDT_COUNT_RX_COUNT_RX_MASK    0x1ff
+
+#define STM_USB_BDT_SIZE       8
+
+extern uint8_t stm_usb_sram[];
+
+struct stm_exti {
+       vuint32_t       imr;
+       vuint32_t       emr;
+       vuint32_t       rtsr;
+       vuint32_t       ftsr;
+
+       vuint32_t       swier;
+       vuint32_t       pr;
+};
+
+extern struct stm_exti stm_exti;
+
 #endif /* _STM32L_H_ */