/* Copyright 2019 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /** * @file * @brief Register map for the STM32L family of chips * * This header file should not be included directly. * Please include registers.h instead. * * Known Chip Variants * - STM32L100 * - STM32L15X */ #ifndef __CROS_EC_REGISTERS_H #error "This header file should not be included directly." #endif /* --- IRQ numbers --- */ #define STM32_IRQ_WWDG 0 #define STM32_IRQ_PVD 1 #define STM32_IRQ_TAMPER_STAMP 2 #define STM32_IRQ_RTC_WAKEUP 3 #define STM32_IRQ_FLASH 4 #define STM32_IRQ_RCC 5 #define STM32_IRQ_EXTI0 6 #define STM32_IRQ_EXTI1 7 #define STM32_IRQ_EXTI2 8 #define STM32_IRQ_EXTI3 9 #define STM32_IRQ_EXTI4 10 #define STM32_IRQ_DMA_CHANNEL_1 11 #define STM32_IRQ_DMA_CHANNEL_2 12 #define STM32_IRQ_DMA_CHANNEL_3 13 #define STM32_IRQ_DMA_CHANNEL_4 14 #define STM32_IRQ_DMA_CHANNEL_5 15 #define STM32_IRQ_DMA_CHANNEL_6 16 #define STM32_IRQ_DMA_CHANNEL_7 17 #define STM32_IRQ_USB_HP 19 #define STM32_IRQ_USB_LP 20 #define STM32_IRQ_ADC1 18 /* STM32L4 only */ #define STM32_IRQ_CAN_TX 19 /* STM32F373 only */ #define STM32_IRQ_USB_LP_CAN_RX 20 /* STM32F373 only */ #define STM32_IRQ_DAC 21 #define STM32_IRQ_CAN_RX1 21 /* STM32F373 only */ #define STM32_IRQ_COMP 22 #define STM32_IRQ_CAN_SCE 22 /* STM32F373 only */ #define STM32_IRQ_EXTI9_5 23 #define STM32_IRQ_LCD 24 /* STM32L15X only */ #define STM32_IRQ_TIM15 24 /* STM32F373 only */ #define STM32_IRQ_TIM9 25 /* STM32L15X only */ #define STM32_IRQ_TIM16 25 /* STM32F373 only */ #define STM32_IRQ_TIM10 26 /* STM32L15X only */ #define STM32_IRQ_TIM17 26 /* STM32F373 only */ #define STM32_IRQ_TIM11 27 /* STM32L15X only */ #define STM32_IRQ_TIM18_DAC2 27 /* STM32F373 only */ #define STM32_IRQ_TIM2 28 #define STM32_IRQ_TIM3 29 #define STM32_IRQ_TIM4 30 #define STM32_IRQ_I2C1_EV 31 #define STM32_IRQ_I2C1_ER 32 #define STM32_IRQ_I2C2_EV 33 #define STM32_IRQ_I2C2_ER 34 #define STM32_IRQ_SPI1 35 #define STM32_IRQ_SPI2 36 #define STM32_IRQ_USART1 37 #define STM32_IRQ_USART2 38 #define STM32_IRQ_USART3 39 #define STM32_IRQ_EXTI15_10 40 #define STM32_IRQ_RTC_ALARM 41 #define STM32_IRQ_USB_FS_WAKEUP 42 /* STM32L15X */ #define STM32_IRQ_CEC 42 /* STM32F373 only */ #define STM32_IRQ_TIM6_BASIC 43 /* STM32L15X only */ #define STM32_IRQ_TIM12 43 /* STM32F373 only */ #define STM32_IRQ_TIM7_BASIC 44 /* STM32L15X only */ #define STM32_IRQ_TIM13 44 /* STM32F373 only */ #define STM32_IRQ_TIM14 45 /* STM32F373 only */ #define STM32_IRQ_TIM5 50 /* STM32F373 */ #define STM32_IRQ_SPI3 51 /* STM32F373 */ #define STM32_IRQ_USART4 52 /* STM32F446 only */ #define STM32_IRQ_USART5 53 /* STM32F446 only */ #define STM32_IRQ_TIM6_DAC 54 /* STM32F373 */ #define STM32_IRQ_TIM7 55 /* STM32F373 */ #define STM32_IRQ_DMA2_CHANNEL1 56 /* STM32F373 */ #define STM32_IRQ_DMA2_CHANNEL2 57 /* STM32F373 */ #define STM32_IRQ_DMA2_CHANNEL3 58 /* STM32F373 */ #define STM32_IRQ_DMA2_CHANNEL4 59 /* STM32F373 only */ /* if MISC_REMAP bits are set */ #define STM32_IRQ_DMA2_CHANNEL5 60 /* STM32F373 */ #define STM32_IRQ_SDADC1 61 /* STM32F373 only */ #define STM32_IRQ_SDADC2 62 /* STM32F373 only */ #define STM32_IRQ_SDADC3 63 /* STM32F373 only */ #define STM32_IRQ_DMA2_CHANNEL6 68 /* STM32L4 only */ #define STM32_IRQ_DMA2_CHANNEL7 69 /* STM32L4 only */ #define STM32_IRQ_LPUART 70 /* STM32L4 only */ #define STM32_IRQ_USART9 70 /* STM32L4 only */ #define STM32_IRQ_USART6 71 /* STM32F446 only */ #define STM32_IRQ_I2C3_EV 72 /* STM32F446 only */ #define STM32_IRQ_I2C3_ER 73 /* STM32F446 only */ #define STM32_IRQ_USB_WAKEUP 76 /* STM32F373 only */ #define STM32_IRQ_TIM19 78 /* STM32F373 only */ #define STM32_IRQ_AES 79 /* STM32L4 only */ #define STM32_IRQ_RNG 80 /* STM32L4 only */ #define STM32_IRQ_FPU 81 /* STM32F373 only */ /* To simplify code generation, define DMA channel 9..10 */ #define STM32_IRQ_DMA_CHANNEL_9 STM32_IRQ_DMA2_CHANNEL1 #define STM32_IRQ_DMA_CHANNEL_10 STM32_IRQ_DMA2_CHANNEL2 #define STM32_IRQ_DMA_CHANNEL_13 STM32_IRQ_DMA2_CHANNEL6 #define STM32_IRQ_DMA_CHANNEL_14 STM32_IRQ_DMA2_CHANNEL7 /* aliases for easier code sharing */ #define STM32_IRQ_I2C1 STM32_IRQ_I2C1_EV #define STM32_IRQ_I2C2 STM32_IRQ_I2C2_EV #define STM32_IRQ_I2C3 STM32_IRQ_I2C3_EV /* Peripheral base addresses */ #define STM32_ADC1_BASE 0x40012400 #define STM32_ADC_BASE 0x40012700 /* STM32L15X only */ #define STM32_CEC_BASE 0x40007800 /* STM32F373 */ #define STM32_CRC_BASE 0x40023000 #define STM32_CRS_BASE 0x40006c00 /* STM32F0XX */ #define STM32_DAC_BASE 0x40007400 #define STM32_COMP_BASE 0x40007C00 #define STM32_DBGMCU_BASE 0xE0042000 #define STM32_DMA1_BASE 0x40026000 #define STM32_EXTI_BASE 0x40010400 #define STM32_FLASH_REGS_BASE 0x40023c00 #define STM32_GPIOA_BASE 0x40020000 #define STM32_GPIOB_BASE 0x40020400 #define STM32_GPIOC_BASE 0x40020800 #define STM32_GPIOD_BASE 0x40020C00 #define STM32_GPIOE_BASE 0x40021000 #define STM32_GPIOF_BASE 0x40021800 /* see RM0038 table 5 */ #define STM32_GPIOG_BASE 0x40021C00 #define STM32_GPIOH_BASE 0x40021400 #define STM32_I2C1_BASE 0x40005400 #define STM32_I2C2_BASE 0x40005800 #define STM32_I2C3_BASE 0x40005C00 #define STM32_I2C4_BASE 0x40006000 #define STM32_IWDG_BASE 0x40003000 #define STM32_LCD_BASE 0x40002400 #define STM32_OPTB_BASE 0x1ff80000 #define STM32_PMSE_BASE 0x40013400 #define STM32_PWR_BASE 0x40007000 #define STM32_RCC_BASE 0x40023800 #define STM32_RI_BASE 0x40007C00 /* STM32L1xx only */ #define STM32_RNG_BASE 0x50060800 /* STM32L4 */ #define STM32_RTC_BASE 0x40002800 #define STM32_SPI1_BASE 0x40013000 #define STM32_SPI2_BASE 0x40003800 #define STM32_SPI3_BASE 0x40003c00 /* STM32F373, STM32L4, STM32F7 */ #define STM32_SYSCFG_BASE 0x40010000 #define STM32_TIM1_BASE 0x40012c00 /* STM32F373 */ #define STM32_TIM2_BASE 0x40000000 #define STM32_TIM3_BASE 0x40000400 #define STM32_TIM4_BASE 0x40000800 #define STM32_TIM5_BASE 0x40000c00 /* STM32F373 */ #define STM32_TIM6_BASE 0x40001000 #define STM32_TIM7_BASE 0x40001400 #define STM32_TIM9_BASE 0x40010800 /* STM32L15X only */ #define STM32_TIM10_BASE 0x40010C00 /* STM32L15X only */ #define STM32_TIM11_BASE 0x40011000 /* STM32L15X only */ #define STM32_TIM12_BASE 0x40001800 /* STM32F373 */ #define STM32_TIM13_BASE 0x40001c00 /* STM32F373 */ #define STM32_TIM14_BASE 0x40002000 /* STM32F373 */ #define STM32_TIM15_BASE 0x40014000 #define STM32_TIM16_BASE 0x40014400 #define STM32_TIM17_BASE 0x40014800 #define STM32_TIM18_BASE 0x40009c00 /* STM32F373 only */ #define STM32_TIM19_BASE 0x40015c00 /* STM32F373 only */ #define STM32_UNIQUE_ID_BASE 0x1ffff7ac #define STM32_USART1_BASE 0x40013800 #define STM32_USART2_BASE 0x40004400 #define STM32_USART3_BASE 0x40004800 #define STM32_USART4_BASE 0x40004c00 #define STM32_USART9_BASE 0x40008000 /* LPUART */ #define STM32_USB_CAN_SRAM_BASE 0x40006000 #define STM32_USB_FS_BASE 0x40005C00 #define STM32_WWDG_BASE 0x40002C00 #ifndef __ASSEMBLER__ /* Register definitions */ /* --- USART --- */ #define STM32_USART_SR(base) STM32_USART_REG(base, 0x00) #define STM32_USART_SR_ORE BIT(3) #define STM32_USART_SR_RXNE BIT(5) #define STM32_USART_SR_TC BIT(6) #define STM32_USART_SR_TXE BIT(7) #define STM32_USART_DR(base) STM32_USART_REG(base, 0x04) #define STM32_USART_BRR(base) STM32_USART_REG(base, 0x08) #define STM32_USART_CR1(base) STM32_USART_REG(base, 0x0C) #define STM32_USART_CR1_RE BIT(2) #define STM32_USART_CR1_TE BIT(3) #define STM32_USART_CR1_RXNEIE BIT(5) #define STM32_USART_CR1_TCIE BIT(6) #define STM32_USART_CR1_TXEIE BIT(7) #define STM32_USART_CR1_PS BIT(9) #define STM32_USART_CR1_PCE BIT(10) #define STM32_USART_CR1_M BIT(12) #define STM32_USART_CR1_UE BIT(13) #define STM32_USART_CR1_OVER8 BIT(15) /* STM32L only */ #define STM32_USART_CR2(base) STM32_USART_REG(base, 0x10) #define STM32_USART_CR3(base) STM32_USART_REG(base, 0x14) #define STM32_USART_CR3_EIE BIT(0) #define STM32_USART_CR3_DMAR BIT(6) #define STM32_USART_CR3_DMAT BIT(7) #define STM32_USART_CR3_ONEBIT BIT(11) /* STM32L only */ #define STM32_USART_GTPR(base) STM32_USART_REG(base, 0x18) /* register aliases */ #define STM32_USART_TDR(base) STM32_USART_DR(base) #define STM32_USART_RDR(base) STM32_USART_DR(base) /* --- GPIO --- */ #define STM32_GPIO_MODER(b) REG32((b) + 0x00) #define STM32_GPIO_OTYPER(b) REG16((b) + 0x04) #define STM32_GPIO_OSPEEDR(b) REG32((b) + 0x08) #define STM32_GPIO_PUPDR(b) REG32((b) + 0x0C) #define STM32_GPIO_IDR(b) REG16((b) + 0x10) #define STM32_GPIO_ODR(b) REG16((b) + 0x14) #define STM32_GPIO_BSRR(b) REG32((b) + 0x18) #define STM32_GPIO_LCKR(b) REG32((b) + 0x1C) #define STM32_GPIO_AFRL(b) REG32((b) + 0x20) #define STM32_GPIO_AFRH(b) REG32((b) + 0x24) #define GPIO_ALT_SYS 0x0 #define GPIO_ALT_TIM2 0x1 #define GPIO_ALT_TIM3_4 0x2 #define GPIO_ALT_TIM9_11 0x3 #define GPIO_ALT_I2C 0x4 #define GPIO_ALT_SPI 0x5 #define GPIO_ALT_SPI3 0x6 #define GPIO_ALT_USART 0x7 #define GPIO_ALT_I2C_23 0x9 #define GPIO_ALT_USB 0xA #define GPIO_ALT_LCD 0xB #define GPIO_ALT_RI 0xE #define GPIO_ALT_EVENTOUT 0xF /* --- I2C --- */ #define STM32_I2C_CR1(n) REG16(stm32_i2c_reg(n, 0x00)) #define STM32_I2C_CR1_PE BIT(0) #define STM32_I2C_CR1_START BIT(8) #define STM32_I2C_CR1_STOP BIT(9) #define STM32_I2C_CR1_ACK BIT(10) #define STM32_I2C_CR1_POS BIT(11) #define STM32_I2C_CR1_SWRST BIT(15) #define STM32_I2C_CR2(n) REG16(stm32_i2c_reg(n, 0x04)) #define STM32_I2C_CR2_ITERREN BIT(8) #define STM32_I2C_CR2_ITEVTEN BIT(9) #define STM32_I2C_CR2_ITBUFEN BIT(10) #define STM32_I2C_CR2_DMAEN BIT(11) #define STM32_I2C_CR2_LAST BIT(12) #define STM32_I2C_OAR1(n) REG16(stm32_i2c_reg(n, 0x08)) #define STM32_I2C_OAR1_B14 BIT(14) #define STM32_I2C_OAR2(n) REG16(stm32_i2c_reg(n, 0x0C)) #define STM32_I2C_OAR2_ENDUAL BIT(0) #define STM32_I2C_DR(n) REG16(stm32_i2c_reg(n, 0x10)) #define STM32_I2C_SR1(n) REG16(stm32_i2c_reg(n, 0x14)) #define STM32_I2C_SR1_SB BIT(0) #define STM32_I2C_SR1_ADDR BIT(1) #define STM32_I2C_SR1_BTF BIT(2) #define STM32_I2C_SR1_STOPF BIT(4) #define STM32_I2C_SR1_RXNE BIT(6) #define STM32_I2C_SR1_TXE BIT(7) #define STM32_I2C_SR1_BERR BIT(8) #define STM32_I2C_SR1_ARLO BIT(9) #define STM32_I2C_SR1_AF BIT(10) #define STM32_I2C_SR2(n) REG16(stm32_i2c_reg(n, 0x18)) #define STM32_I2C_SR2_BUSY BIT(1) #define STM32_I2C_SR2_TRA BIT(2) #define STM32_I2C_SR2_DUALF BIT(7) #define STM32_I2C_CCR(n) REG16(stm32_i2c_reg(n, 0x1C)) #define STM32_I2C_CCR_DUTY BIT(14) #define STM32_I2C_CCR_FM BIT(15) #define STM32_I2C_TRISE(n) REG16(stm32_i2c_reg(n, 0x20)) /* --- Power / Reset / Clocks --- */ #define STM32_PWR_CSR REG32(STM32_PWR_BASE + 0x04) #define STM32_RCC_CR REG32(STM32_RCC_BASE + 0x00) #define STM32_RCC_CR_HSION BIT(0) #define STM32_RCC_CR_HSIRDY BIT(1) #define STM32_RCC_CR_MSION BIT(8) #define STM32_RCC_CR_MSIRDY BIT(9) #define STM32_RCC_CR_PLLON BIT(24) #define STM32_RCC_CR_PLLRDY BIT(25) #define STM32_RCC_ICSCR REG32(STM32_RCC_BASE + 0x04) #define STM32_RCC_ICSCR_MSIRANGE(n) ((n) << 13) #define STM32_RCC_ICSCR_MSIRANGE_1MHZ STM32_RCC_ICSCR_MSIRANGE(4) #define STM32_RCC_ICSCR_MSIRANGE_2MHZ STM32_RCC_ICSCR_MSIRANGE(5) #define STM32_RCC_ICSCR_MSIRANGE_MASK STM32_RCC_ICSCR_MSIRANGE(7) #define STM32_RCC_CFGR REG32(STM32_RCC_BASE + 0x08) #define STM32_RCC_CFGR_SW_MSI (0 << 0) #define STM32_RCC_CFGR_SW_HSI (1 << 0) #define STM32_RCC_CFGR_SW_HSE (2 << 0) #define STM32_RCC_CFGR_SW_PLL (3 << 0) #define STM32_RCC_CFGR_SW_MASK (3 << 0) #define STM32_RCC_CFGR_SWS_MSI (0 << 2) #define STM32_RCC_CFGR_SWS_HSI (1 << 2) #define STM32_RCC_CFGR_SWS_HSE (2 << 2) #define STM32_RCC_CFGR_SWS_PLL (3 << 2) #define STM32_RCC_CFGR_SWS_MASK (3 << 2) #define STM32_RCC_CIR REG32(STM32_RCC_BASE + 0x0C) #define STM32_RCC_AHBRSTR REG32(STM32_RCC_BASE + 0x10) #define STM32_RCC_APB2RSTR REG32(STM32_RCC_BASE + 0x14) #define STM32_RCC_APB1RSTR REG32(STM32_RCC_BASE + 0x18) #define STM32_RCC_AHBENR REG32(STM32_RCC_BASE + 0x1C) #define STM32_RCC_APB2ENR REG32(STM32_RCC_BASE + 0x20) #define STM32_RCC_SYSCFGEN BIT(0) #define STM32_RCC_APB1ENR REG32(STM32_RCC_BASE + 0x24) #define STM32_RCC_PWREN BIT(28) #define STM32_RCC_AHBLPENR REG32(STM32_RCC_BASE + 0x28) #define STM32_RCC_APB2LPENR REG32(STM32_RCC_BASE + 0x2C) #define STM32_RCC_APB1LPENR REG32(STM32_RCC_BASE + 0x30) #define STM32_RCC_CSR REG32(STM32_RCC_BASE + 0x34) #define STM32_RCC_HB_DMA1 BIT(24) #define STM32_RCC_PB2_TIM9 BIT(2) #define STM32_RCC_PB2_TIM10 BIT(3) #define STM32_RCC_PB2_TIM11 BIT(4) #define STM32_RCC_PB1_USB BIT(23) #define STM32_SYSCFG_MEMRMP REG32(STM32_SYSCFG_BASE + 0x00) #define STM32_SYSCFG_PMC REG32(STM32_SYSCFG_BASE + 0x04) #define STM32_SYSCFG_EXTICR(n) REG32(STM32_SYSCFG_BASE + 8 + 4 * (n)) /* Peripheral bits for RCC_APB/AHB and DBGMCU regs */ #define STM32_RCC_PB2_USART1 BIT(14) /* Reset causes definitions */ /* Reset causes in RCC CSR register */ #define STM32_RCC_RESET_CAUSE STM32_RCC_CSR #define RESET_CAUSE_WDG 0x60000000 #define RESET_CAUSE_SFT 0x10000000 #define RESET_CAUSE_POR 0x08000000 #define RESET_CAUSE_PIN 0x04000000 #define RESET_CAUSE_OTHER 0xfe000000 #define RESET_CAUSE_RMVF 0x01000000 /* Power cause in PWR CSR register */ #define STM32_PWR_RESET_CAUSE STM32_PWR_CSR #define STM32_PWR_RESET_CAUSE_CLR STM32_PWR_CR #define RESET_CAUSE_SBF 0x00000002 #define RESET_CAUSE_SBF_CLR 0x00000004 /* --- Watchdogs --- */ /* --- Real-Time Clock --- */ #define STM32_RTC_TR REG32(STM32_RTC_BASE + 0x00) #define STM32_RTC_DR REG32(STM32_RTC_BASE + 0x04) #define STM32_RTC_CR REG32(STM32_RTC_BASE + 0x08) #define STM32_RTC_CR_BYPSHAD BIT(5) #define STM32_RTC_CR_ALRAE BIT(8) #define STM32_RTC_CR_ALRAIE BIT(12) #define STM32_RTC_ISR REG32(STM32_RTC_BASE + 0x0C) #define STM32_RTC_ISR_ALRAWF BIT(0) #define STM32_RTC_ISR_RSF BIT(5) #define STM32_RTC_ISR_INITF BIT(6) #define STM32_RTC_ISR_INIT BIT(7) #define STM32_RTC_ISR_ALRAF BIT(8) #define STM32_RTC_PRER REG32(STM32_RTC_BASE + 0x10) #define STM32_RTC_PRER_A_MASK (0x7f << 16) #define STM32_RTC_PRER_S_MASK (0x7fff << 0) #define STM32_RTC_WUTR REG32(STM32_RTC_BASE + 0x14) #define STM32_RTC_CALIBR REG32(STM32_RTC_BASE + 0x18) #define STM32_RTC_ALRMAR REG32(STM32_RTC_BASE + 0x1C) #define STM32_RTC_ALRMBR REG32(STM32_RTC_BASE + 0x20) #define STM32_RTC_WPR REG32(STM32_RTC_BASE + 0x24) #define STM32_RTC_SSR REG32(STM32_RTC_BASE + 0x28) #define STM32_RTC_TSTR REG32(STM32_RTC_BASE + 0x30) #define STM32_RTC_TSDR REG32(STM32_RTC_BASE + 0x34) #define STM32_RTC_TAFCR REG32(STM32_RTC_BASE + 0x40) #define STM32_RTC_ALRMASSR REG32(STM32_RTC_BASE + 0x44) #define STM32_RTC_BACKUP(n) REG32(STM32_RTC_BASE + 0x50 + 4 * (n)) #define STM32_BKP_DATA(n) STM32_RTC_BACKUP(n) #define STM32_BKP_BYTES 80 /* --- SPI --- */ /* The SPI controller registers */ struct stm32_spi_regs { uint16_t cr1; uint16_t _pad0; uint16_t cr2; uint16_t _pad1; unsigned sr; uint8_t dr; uint8_t _pad2; uint16_t _pad3; unsigned crcpr; unsigned rxcrcr; unsigned txcrcr; unsigned i2scfgr; /* STM32L only */ unsigned i2spr; /* STM32L only */ }; /* Must be volatile, or compiler optimizes out repeated accesses */ typedef volatile struct stm32_spi_regs stm32_spi_regs_t; #define STM32_SPI1_REGS ((stm32_spi_regs_t *)STM32_SPI1_BASE) #define STM32_SPI2_REGS ((stm32_spi_regs_t *)STM32_SPI2_BASE) #define STM32_SPI3_REGS ((stm32_spi_regs_t *)STM32_SPI3_BASE) #define STM32_SPI4_REGS ((stm32_spi_regs_t *)STM32_SPI4_BASE) #define STM32_SPI_CR1_BIDIMODE BIT(15) #define STM32_SPI_CR1_BIDIOE BIT(14) #define STM32_SPI_CR1_CRCEN BIT(13) #define STM32_SPI_CR1_SSM BIT(9) #define STM32_SPI_CR1_SSI BIT(8) #define STM32_SPI_CR1_LSBFIRST BIT(7) #define STM32_SPI_CR1_SPE BIT(6) #define STM32_SPI_CR1_BR_DIV64R (5 << 3) #define STM32_SPI_CR1_BR_DIV4R BIT(3) #define STM32_SPI_CR1_MSTR BIT(2) #define STM32_SPI_CR1_CPOL BIT(1) #define STM32_SPI_CR1_CPHA BIT(0) #define STM32_SPI_CR2_FRXTH BIT(12) #define STM32_SPI_CR2_DATASIZE(n) (((n) - 1) << 8) #define STM32_SPI_CR2_TXEIE BIT(7) #define STM32_SPI_CR2_RXNEIE BIT(6) #define STM32_SPI_CR2_NSSP BIT(3) #define STM32_SPI_CR2_SSOE BIT(2) #define STM32_SPI_CR2_TXDMAEN BIT(1) #define STM32_SPI_CR2_RXDMAEN BIT(0) #define STM32_SPI_SR_RXNE BIT(0) #define STM32_SPI_SR_TXE BIT(1) #define STM32_SPI_SR_CRCERR BIT(4) #define STM32_SPI_SR_BSY BIT(7) #define STM32_SPI_SR_FRLVL (3 << 9) #define STM32_SPI_SR_FTLVL (3 << 11) /* --- Debug --- */ #define STM32_DBGMCU_APB1FZ REG32(STM32_DBGMCU_BASE + 0x08) #define STM32_DBGMCU_APB2FZ REG32(STM32_DBGMCU_BASE + 0x0C) /* --- Flash --- */ #define STM32_FLASH_ACR REG32(STM32_FLASH_REGS_BASE + 0x00) #define STM32_FLASH_ACR_LATENCY BIT(0) #define STM32_FLASH_ACR_PRFTEN BIT(1) #define STM32_FLASH_ACR_ACC64 BIT(2) #define STM32_FLASH_PECR REG32(STM32_FLASH_REGS_BASE + 0x04) #define STM32_FLASH_PECR_PE_LOCK BIT(0) #define STM32_FLASH_PECR_PRG_LOCK BIT(1) #define STM32_FLASH_PECR_OPT_LOCK BIT(2) #define STM32_FLASH_PECR_PROG BIT(3) #define STM32_FLASH_PECR_ERASE BIT(9) #define STM32_FLASH_PECR_FPRG BIT(10) #define STM32_FLASH_PECR_OBL_LAUNCH BIT(18) #define STM32_FLASH_PDKEYR REG32(STM32_FLASH_REGS_BASE + 0x08) #define STM32_FLASH_PEKEYR REG32(STM32_FLASH_REGS_BASE + 0x0c) #define STM32_FLASH_PEKEYR_KEY1 0x89ABCDEF #define STM32_FLASH_PEKEYR_KEY2 0x02030405 #define STM32_FLASH_PRGKEYR REG32(STM32_FLASH_REGS_BASE + 0x10) #define STM32_FLASH_PRGKEYR_KEY1 0x8C9DAEBF #define STM32_FLASH_PRGKEYR_KEY2 0x13141516 #define STM32_FLASH_OPTKEYR REG32(STM32_FLASH_REGS_BASE + 0x14) #define STM32_FLASH_OPTKEYR_KEY1 0xFBEAD9C8 #define STM32_FLASH_OPTKEYR_KEY2 0x24252627 #define STM32_FLASH_SR REG32(STM32_FLASH_REGS_BASE + 0x18) #define STM32_FLASH_OBR REG32(STM32_FLASH_REGS_BASE + 0x1c) #define STM32_FLASH_WRPR REG32(STM32_FLASH_REGS_BASE + 0x20) #define STM32_OPTB_RDP 0x00 #define STM32_OPTB_USER 0x04 #define STM32_OPTB_WRP1L 0x08 #define STM32_OPTB_WRP1H 0x0c #define STM32_OPTB_WRP2L 0x10 #define STM32_OPTB_WRP2H 0x14 #define STM32_OPTB_WRP3L 0x18 #define STM32_OPTB_WRP3H 0x1c /* --- External Interrupts --- */ #define STM32_EXTI_IMR REG32(STM32_EXTI_BASE + 0x00) #define STM32_EXTI_EMR REG32(STM32_EXTI_BASE + 0x04) #define STM32_EXTI_RTSR REG32(STM32_EXTI_BASE + 0x08) #define STM32_EXTI_FTSR REG32(STM32_EXTI_BASE + 0x0c) #define STM32_EXTI_SWIER REG32(STM32_EXTI_BASE + 0x10) #define STM32_EXTI_PR REG32(STM32_EXTI_BASE + 0x14) /* --- ADC --- */ #define STM32_ADC_SR REG32(STM32_ADC1_BASE + 0x00) #define STM32_ADC_CR1 REG32(STM32_ADC1_BASE + 0x04) #define STM32_ADC_CR2 REG32(STM32_ADC1_BASE + 0x08) #define STM32_ADC_SMPR1 REG32(STM32_ADC1_BASE + 0x0C) #define STM32_ADC_SMPR2 REG32(STM32_ADC1_BASE + 0x10) #define STM32_ADC_SMPR3 REG32(STM32_ADC1_BASE + 0x14) #define STM32_ADC_JOFR1 REG32(STM32_ADC1_BASE + 0x18) #define STM32_ADC_JOFR2 REG32(STM32_ADC1_BASE + 0x1C) #define STM32_ADC_JOFR3 REG32(STM32_ADC1_BASE + 0x20) #define STM32_ADC_JOFR4 REG32(STM32_ADC1_BASE + 0x24) #define STM32_ADC_HTR REG32(STM32_ADC1_BASE + 0x28) #define STM32_ADC_LTR REG32(STM32_ADC1_BASE + 0x2C) #define STM32_ADC_SQR(n) REG32(STM32_ADC1_BASE + 0x2C + (n) * 4) #define STM32_ADC_SQR1 REG32(STM32_ADC1_BASE + 0x30) #define STM32_ADC_SQR2 REG32(STM32_ADC1_BASE + 0x34) #define STM32_ADC_SQR3 REG32(STM32_ADC1_BASE + 0x38) #define STM32_ADC_SQR4 REG32(STM32_ADC1_BASE + 0x3C) #define STM32_ADC_SQR5 REG32(STM32_ADC1_BASE + 0x40) #define STM32_ADC_JSQR REG32(STM32_ADC1_BASE + 0x44) #define STM32_ADC_JDR1 REG32(STM32_ADC1_BASE + 0x48) #define STM32_ADC_JDR2 REG32(STM32_ADC1_BASE + 0x4C) #define STM32_ADC_JDR3 REG32(STM32_ADC1_BASE + 0x50) #define STM32_ADC_JDR3 REG32(STM32_ADC1_BASE + 0x50) #define STM32_ADC_JDR4 REG32(STM32_ADC1_BASE + 0x54) #define STM32_ADC_DR REG32(STM32_ADC1_BASE + 0x58) #define STM32_ADC_SMPR0 REG32(STM32_ADC1_BASE + 0x5C) #define STM32_ADC_CCR REG32(STM32_ADC_BASE + 0x04) /* --- Comparators --- */ #define STM32_COMP_CSR REG32(STM32_COMP_BASE + 0x00) #define STM32_COMP_OUTSEL_TIM2_IC4 (0 << 21) #define STM32_COMP_OUTSEL_TIM2_OCR (1 << 21) #define STM32_COMP_OUTSEL_TIM3_IC4 (2 << 21) #define STM32_COMP_OUTSEL_TIM3_OCR (3 << 21) #define STM32_COMP_OUTSEL_TIM4_IC4 (4 << 21) #define STM32_COMP_OUTSEL_TIM4_OCR (5 << 21) #define STM32_COMP_OUTSEL_TIM10_IC1 (6 << 21) #define STM32_COMP_OUTSEL_NONE (7 << 21) #define STM32_COMP_INSEL_NONE (0 << 18) #define STM32_COMP_INSEL_PB3 (1 << 18) #define STM32_COMP_INSEL_VREF (2 << 18) #define STM32_COMP_INSEL_VREF34 (3 << 18) #define STM32_COMP_INSEL_VREF12 (4 << 18) #define STM32_COMP_INSEL_VREF14 (5 << 18) #define STM32_COMP_INSEL_DAC_OUT1 (6 << 18) #define STM32_COMP_INSEL_DAC_OUT2 (7 << 18) #define STM32_COMP_WNDWE BIT(17) #define STM32_COMP_VREFOUTEN BIT(16) #define STM32_COMP_CMP2OUT BIT(13) #define STM32_COMP_SPEED_FAST BIT(12) #define STM32_COMP_CMP1OUT BIT(7) #define STM32_COMP_CMP1EN BIT(4) #define STM32_COMP_400KPD BIT(3) #define STM32_COMP_10KPD BIT(2) #define STM32_COMP_400KPU BIT(1) #define STM32_COMP_10KPU BIT(0) /* --- DMA --- */ /* * Available DMA channels, numbered from 0. * * Note: The STM datasheet tends to number things from 1. We should ask * the European elevator engineers to talk to MCU engineer counterparts * about this. This means that if the datasheet refers to channel n, * you need to use STM32_DMAC_CHn (=n-1) in the code. * * Also note that channels are overloaded; obviously you can only use one * function on each channel at a time. */ enum dma_channel { /* Channel numbers */ STM32_DMAC_CH1 = 0, STM32_DMAC_CH2 = 1, STM32_DMAC_CH3 = 2, STM32_DMAC_CH4 = 3, STM32_DMAC_CH5 = 4, STM32_DMAC_CH6 = 5, STM32_DMAC_CH7 = 6, /* * Skip CH8, it should belong to DMA engine 1. * Sharing code with STM32s that have 16 engines will be easier. */ STM32_DMAC_CH9 = 8, STM32_DMAC_CH10 = 9, STM32_DMAC_CH11 = 10, STM32_DMAC_CH12 = 11, STM32_DMAC_CH13 = 12, STM32_DMAC_CH14 = 13, /* Channel functions */ STM32_DMAC_ADC = STM32_DMAC_CH1, STM32_DMAC_SPI1_RX = STM32_DMAC_CH2, STM32_DMAC_SPI1_TX = STM32_DMAC_CH3, STM32_DMAC_DAC_CH1 = STM32_DMAC_CH2, STM32_DMAC_DAC_CH2 = STM32_DMAC_CH3, STM32_DMAC_I2C2_TX = STM32_DMAC_CH4, STM32_DMAC_I2C2_RX = STM32_DMAC_CH5, STM32_DMAC_USART1_TX = STM32_DMAC_CH4, STM32_DMAC_USART1_RX = STM32_DMAC_CH5, STM32_DMAC_USART2_RX = STM32_DMAC_CH6, STM32_DMAC_USART2_TX = STM32_DMAC_CH7, STM32_DMAC_I2C1_TX = STM32_DMAC_CH6, STM32_DMAC_I2C1_RX = STM32_DMAC_CH7, STM32_DMAC_PMSE_ROW = STM32_DMAC_CH6, STM32_DMAC_PMSE_COL = STM32_DMAC_CH7, STM32_DMAC_SPI2_RX = STM32_DMAC_CH6, STM32_DMAC_SPI2_TX = STM32_DMAC_CH7, /* Only DMA1 (with 7 channels) is present on STM32L151x */ STM32_DMAC_COUNT = 7, }; #define STM32_DMAC_PER_CTLR 8 /* Registers for a single channel of the DMA controller */ struct stm32_dma_chan { uint32_t ccr; /* Control */ uint32_t cndtr; /* Number of data to transfer */ uint32_t cpar; /* Peripheral address */ uint32_t cmar; /* Memory address */ uint32_t reserved; }; /* Always use stm32_dma_chan_t so volatile keyword is included! */ typedef volatile struct stm32_dma_chan stm32_dma_chan_t; /* Common code and header file must use this */ typedef stm32_dma_chan_t dma_chan_t; /* Registers for the DMA controller */ struct stm32_dma_regs { uint32_t isr; uint32_t ifcr; stm32_dma_chan_t chan[STM32_DMAC_COUNT]; }; /* Always use stm32_dma_regs_t so volatile keyword is included! */ typedef volatile struct stm32_dma_regs stm32_dma_regs_t; #define STM32_DMA1_REGS ((stm32_dma_regs_t *)STM32_DMA1_BASE) #define STM32_DMA_CCR_CHANNEL(channel) (0) #define STM32_DMA_REGS(channel) STM32_DMA1_REGS /* Bits for DMA controller regs (isr and ifcr) */ #define STM32_DMA_CH_OFFSET(channel) (4 * ((channel) % STM32_DMAC_PER_CTLR)) #define STM32_DMA_ISR_MASK(channel, mask) \ ((mask) << STM32_DMA_CH_OFFSET(channel)) #define STM32_DMA_ISR_GIF(channel) STM32_DMA_ISR_MASK(channel, BIT(0)) #define STM32_DMA_ISR_TCIF(channel) STM32_DMA_ISR_MASK(channel, BIT(1)) #define STM32_DMA_ISR_HTIF(channel) STM32_DMA_ISR_MASK(channel, BIT(2)) #define STM32_DMA_ISR_TEIF(channel) STM32_DMA_ISR_MASK(channel, BIT(3)) #define STM32_DMA_ISR_ALL(channel) STM32_DMA_ISR_MASK(channel, 0x0f) #define STM32_DMA_GIF BIT(0) #define STM32_DMA_TCIF BIT(1) #define STM32_DMA_HTIF BIT(2) #define STM32_DMA_TEIF BIT(3) #define STM32_DMA_ALL 0xf #define STM32_DMA_GET_ISR(channel) \ ((STM32_DMA_REGS(channel)->isr >> STM32_DMA_CH_OFFSET(channel)) \ & STM32_DMA_ALL) #define STM32_DMA_SET_ISR(channel, val) \ (STM32_DMA_REGS(channel)->isr = \ ((STM32_DMA_REGS(channel)->isr & \ ~(STM32_DMA_ALL << STM32_DMA_CH_OFFSET(channel))) | \ (((val) & STM32_DMA_ALL) << STM32_DMA_CH_OFFSET(channel)))) #define STM32_DMA_GET_IFCR(channel) \ ((STM32_DMA_REGS(channel)->ifcr >> STM32_DMA_CH_OFFSET(channel)) \ & STM32_DMA_ALL) #define STM32_DMA_SET_IFCR(channel, val) \ (STM32_DMA_REGS(channel)->ifcr = \ ((STM32_DMA_REGS(channel)->ifcr & \ ~(STM32_DMA_ALL << STM32_DMA_CH_OFFSET(channel))) | \ (((val) & STM32_DMA_ALL) << STM32_DMA_CH_OFFSET(channel)))) /* Bits for DMA channel regs */ #define STM32_DMA_CCR_EN BIT(0) #define STM32_DMA_CCR_TCIE BIT(1) #define STM32_DMA_CCR_HTIE BIT(2) #define STM32_DMA_CCR_TEIE BIT(3) #define STM32_DMA_CCR_DIR BIT(4) #define STM32_DMA_CCR_CIRC BIT(5) #define STM32_DMA_CCR_PINC BIT(6) #define STM32_DMA_CCR_MINC BIT(7) #define STM32_DMA_CCR_PSIZE_8_BIT (0 << 8) #define STM32_DMA_CCR_PSIZE_16_BIT (1 << 8) #define STM32_DMA_CCR_PSIZE_32_BIT (2 << 8) #define STM32_DMA_CCR_MSIZE_8_BIT (0 << 10) #define STM32_DMA_CCR_MSIZE_16_BIT (1 << 10) #define STM32_DMA_CCR_MSIZE_32_BIT (2 << 10) #define STM32_DMA_CCR_PL_LOW (0 << 12) #define STM32_DMA_CCR_PL_MEDIUM (1 << 12) #define STM32_DMA_CCR_PL_HIGH (2 << 12) #define STM32_DMA_CCR_PL_VERY_HIGH (3 << 12) #define STM32_DMA_CCR_MEM2MEM BIT(14) /* --- CRC --- */ #define STM32_CRC_DR REG32(STM32_CRC_BASE + 0x0) #define STM32_CRC_DR32 REG32(STM32_CRC_BASE + 0x0) #define STM32_CRC_DR16 REG16(STM32_CRC_BASE + 0x0) #define STM32_CRC_DR8 REG8(STM32_CRC_BASE + 0x0) #define STM32_CRC_IDR REG32(STM32_CRC_BASE + 0x4) #define STM32_CRC_CR REG32(STM32_CRC_BASE + 0x8) #define STM32_CRC_INIT REG32(STM32_CRC_BASE + 0x10) #define STM32_CRC_POL REG32(STM32_CRC_BASE + 0x14) #define STM32_CRC_CR_RESET BIT(0) #define STM32_CRC_CR_POLYSIZE_32 (0 << 3) #define STM32_CRC_CR_POLYSIZE_16 (1 << 3) #define STM32_CRC_CR_POLYSIZE_8 (2 << 3) #define STM32_CRC_CR_POLYSIZE_7 (3 << 3) #define STM32_CRC_CR_REV_IN_BYTE (1 << 5) #define STM32_CRC_CR_REV_IN_HWORD (2 << 5) #define STM32_CRC_CR_REV_IN_WORD (3 << 5) #define STM32_CRC_CR_REV_OUT BIT(7) /* --- PMSE --- */ #define STM32_PMSE_ARCR REG32(STM32_PMSE_BASE + 0x0) #define STM32_PMSE_ACCR REG32(STM32_PMSE_BASE + 0x4) #define STM32_PMSE_CR REG32(STM32_PMSE_BASE + 0x8) #define STM32_PMSE_CRTDR REG32(STM32_PMSE_BASE + 0x14) #define STM32_PMSE_IER REG32(STM32_PMSE_BASE + 0x18) #define STM32_PMSE_SR REG32(STM32_PMSE_BASE + 0x1c) #define STM32_PMSE_IFCR REG32(STM32_PMSE_BASE + 0x20) #define STM32_PMSE_PxPMR(x) REG32(STM32_PMSE_BASE + 0x2c + (x) * 4) #define STM32_PMSE_PAPMR REG32(STM32_PMSE_BASE + 0x2c) #define STM32_PMSE_PBPMR REG32(STM32_PMSE_BASE + 0x30) #define STM32_PMSE_PCPMR REG32(STM32_PMSE_BASE + 0x34) #define STM32_PMSE_PDPMR REG32(STM32_PMSE_BASE + 0x38) #define STM32_PMSE_PEPMR REG32(STM32_PMSE_BASE + 0x3c) #define STM32_PMSE_PFPMR REG32(STM32_PMSE_BASE + 0x40) #define STM32_PMSE_PGPMR REG32(STM32_PMSE_BASE + 0x44) #define STM32_PMSE_PHPMR REG32(STM32_PMSE_BASE + 0x48) #define STM32_PMSE_PIPMR REG32(STM32_PMSE_BASE + 0x4c) #define STM32_PMSE_MRCR REG32(STM32_PMSE_BASE + 0x100) #define STM32_PMSE_MCCR REG32(STM32_PMSE_BASE + 0x104) /* --- USB --- */ #define STM32_USB_EP(n) REG16(STM32_USB_FS_BASE + (n) * 4) #define STM32_USB_CNTR REG16(STM32_USB_FS_BASE + 0x40) #define STM32_USB_CNTR_FRES BIT(0) #define STM32_USB_CNTR_PDWN BIT(1) #define STM32_USB_CNTR_LP_MODE BIT(2) #define STM32_USB_CNTR_FSUSP BIT(3) #define STM32_USB_CNTR_RESUME BIT(4) #define STM32_USB_CNTR_L1RESUME BIT(5) #define STM32_USB_CNTR_L1REQM BIT(7) #define STM32_USB_CNTR_ESOFM BIT(8) #define STM32_USB_CNTR_SOFM BIT(9) #define STM32_USB_CNTR_RESETM BIT(10) #define STM32_USB_CNTR_SUSPM BIT(11) #define STM32_USB_CNTR_WKUPM BIT(12) #define STM32_USB_CNTR_ERRM BIT(13) #define STM32_USB_CNTR_PMAOVRM BIT(14) #define STM32_USB_CNTR_CTRM BIT(15) #define STM32_USB_ISTR REG16(STM32_USB_FS_BASE + 0x44) #define STM32_USB_ISTR_EP_ID_MASK (0x000f) #define STM32_USB_ISTR_DIR BIT(4) #define STM32_USB_ISTR_L1REQ BIT(7) #define STM32_USB_ISTR_ESOF BIT(8) #define STM32_USB_ISTR_SOF BIT(9) #define STM32_USB_ISTR_RESET BIT(10) #define STM32_USB_ISTR_SUSP BIT(11) #define STM32_USB_ISTR_WKUP BIT(12) #define STM32_USB_ISTR_ERR BIT(13) #define STM32_USB_ISTR_PMAOVR BIT(14) #define STM32_USB_ISTR_CTR BIT(15) #define STM32_USB_FNR REG16(STM32_USB_FS_BASE + 0x48) #define STM32_USB_FNR_RXDP_RXDM_SHIFT (14) #define STM32_USB_FNR_RXDP_RXDM_MASK (3 << STM32_USB_FNR_RXDP_RXDM_SHIFT) #define STM32_USB_DADDR REG16(STM32_USB_FS_BASE + 0x4C) #define STM32_USB_BTABLE REG16(STM32_USB_FS_BASE + 0x50) #define STM32_USB_LPMCSR REG16(STM32_USB_FS_BASE + 0x54) #define STM32_USB_BCDR REG16(STM32_USB_FS_BASE + 0x58) #define STM32_USB_BCDR_BCDEN BIT(0) #define STM32_USB_BCDR_DCDEN BIT(1) #define STM32_USB_BCDR_PDEN BIT(2) #define STM32_USB_BCDR_SDEN BIT(3) #define STM32_USB_BCDR_DCDET BIT(4) #define STM32_USB_BCDR_PDET BIT(5) #define STM32_USB_BCDR_SDET BIT(6) #define STM32_USB_BCDR_PS2DET BIT(7) #define EP_MASK 0x0F0F #define EP_TX_DTOG 0x0040 #define EP_TX_MASK 0x0030 #define EP_TX_VALID 0x0030 #define EP_TX_NAK 0x0020 #define EP_TX_STALL 0x0010 #define EP_TX_DISAB 0x0000 #define EP_RX_DTOG 0x4000 #define EP_RX_MASK 0x3000 #define EP_RX_VALID 0x3000 #define EP_RX_NAK 0x2000 #define EP_RX_STALL 0x1000 #define EP_RX_DISAB 0x0000 #define EP_STATUS_OUT 0x0100 #define EP_TX_RX_MASK (EP_TX_MASK | EP_RX_MASK) #define EP_TX_RX_VALID (EP_TX_VALID | EP_RX_VALID) #define STM32_TOGGLE_EP(n, mask, val, flags) \ STM32_USB_EP(n) = (((STM32_USB_EP(n) & (EP_MASK | (mask))) \ ^ (val)) | (flags)) /* --- TRNG --- */ #define STM32_RNG_CR REG32(STM32_RNG_BASE + 0x0) #define STM32_RNG_CR_RNGEN BIT(2) #define STM32_RNG_CR_IE BIT(3) #define STM32_RNG_CR_CED BIT(5) #define STM32_RNG_SR REG32(STM32_RNG_BASE + 0x4) #define STM32_RNG_SR_DRDY BIT(0) #define STM32_RNG_DR REG32(STM32_RNG_BASE + 0x8) /* --- AXI interconnect --- */ /* STM32H7: AXI_TARGx_FN_MOD exists for masters x = 1, 2 and 7 */ #define STM32_AXI_TARG_FN_MOD(x) REG32(STM32_GPV_BASE + 0x1108 + \ 0x1000 * (x)) #define WRITE_ISS_OVERRIDE BIT(1) #define READ_ISS_OVERRIDE BIT(0) /* --- MISC --- */ #define STM32_UNIQUE_ID_ADDRESS REG32_ADDR(STM32_UNIQUE_ID_BASE) #define STM32_UNIQUE_ID_LENGTH (3 * 4) #endif /* !__ASSEMBLER__ */