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|
/* Copyright (c) 2013 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.
*
* Register map for STM32 processor
*/
#ifndef __CROS_EC_REGISTERS_H
#define __CROS_EC_REGISTERS_H
#include "common.h"
/* 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_ADC_1 18 /* ADC1 and ADC2 interrupt on STM32F10x */
#define STM32_IRQ_USB_HP 19
#define STM32_IRQ_CAN_TX 19 /* STM32F10x only */
#define STM32_IRQ_USB_LP 20
#define STM32_IRQ_USB_LP_CAN_RX 20 /* STM32F10x only */
#define STM32_IRQ_DAC 21
#define STM32_IRQ_CAN_RX1 21 /* STM32F10x only */
#define STM32_IRQ_COMP 22
#define STM32_IRQ_CAN_SCE 22 /* STM32F10x only */
#define STM32_IRQ_EXTI9_5 23
#define STM32_IRQ_LCD 24 /* STM32L15X only */
#define STM32_IRQ_TIM1_BRK_TIM15 24 /* TIM15 interrupt on STM32F100 only */
#define STM32_IRQ_TIM9 25 /* STM32L15X only */
#define STM32_IRQ_TIM1_UP_TIM16 25 /* TIM16 interrupt on STM32F100 only */
#define STM32_IRQ_TIM10 26 /* STM32L15X only */
#define STM32_IRQ_TIM1_TRG_TIM17 26 /* STM32F100 only */
#define STM32_IRQ_TIM1_TRG_COM 26 /* STM32F10x only */
#define STM32_IRQ_TIM11 27 /* STM32L15X only */
#define STM32_IRQ_TIM1_CC 27 /* STM32F100 and STM32F10x */
#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 and STM32F10x */
#define STM32_IRQ_CEC 42 /* STM32F100 only */
#define STM32_IRQ_TIM6_BASIC 43 /* STM32L15X only */
#define STM32_IRQ_TIM12 43 /* STM32F100 only */
#define STM32_IRQ_TIM8_BRK 43 /* STM32F10x only */
#define STM32_IRQ_TIM7_BASIC 44 /* STM32L15X only */
#define STM32_IRQ_TIM13 44 /* STM32F100 only */
#define STM32_IRQ_TIM8_UP 44 /* STM32F10x only */
#define STM32_IRQ_TIM14 45 /* STM32F100 only */
#define STM32_IRQ_TIM8_TRG_COM 45 /* STM32F10x only */
#define STM32_IRQ_TIM8_CC 46 /* STM32F10x only */
#define STM32_IRQ_ADC3 47 /* STM32F10x only */
#define STM32_IRQ_FSMC 48 /* STM32F100 and STM32F10x */
#define STM32_IRQ_SDIO 49 /* STM32F10x only */
#define STM32_IRQ_TIM5 50 /* STM32F100 and STM32F10x */
#define STM32_IRQ_SPI3 51 /* STM32F100 and STM32F10x */
#define STM32_IRQ_UART4 52 /* STM32F100 and STM32F10x */
#define STM32_IRQ_UART5 53 /* STM32F100 and STM32F10x */
#define STM32_IRQ_TIM6_DAC 54 /* STM32F100 only */
#define STM32_IRQ_TIM6 54 /* STM32F10x only */
#define STM32_IRQ_TIM7 55 /* STM32F100 and STM32F10x */
#define STM32_IRQ_DMA2_CHANNEL1 56 /* STM32F100 and STM32F10x */
#define STM32_IRQ_DMA2_CHANNEL2 57 /* STM32F100 and STM32F10x */
#define STM32_IRQ_DMA2_CHANNEL3 58 /* STM32F100 and STM32F10x */
#define STM32_IRQ_DMA2_CHANNEL4_5 59 /* STM32F100 and STM32F10x */
/* if MISC_REMAP bits are set */
#define STM32_IRQ_DMA2_CHANNEL5 60 /* STM32F100 only */
/* --- USART --- */
#define STM32_USART1_BASE 0x40013800
#define STM32_USART2_BASE 0x40004400
#define STM32_USART3_BASE 0x40004800
#define STM32_UART4_BASE 0x40004c00 /* STM32F100 and STM32F10x */
#define STM32_UART5_BASE 0x40005000 /* STM32F100 and STM32F10x */
#define STM32_USART_BASE(n) CONCAT3(STM32_USART, n, _BASE)
#define STM32_USART_REG(n, offset) REG16(STM32_USART_BASE(n) + (offset))
#define STM32_USART_SR(n) STM32_USART_REG(n, 0x00)
#define STM32_USART_SR_RXNE (1 << 5)
#define STM32_USART_SR_TXE (1 << 7)
#define STM32_USART_DR(n) STM32_USART_REG(n, 0x04)
#define STM32_USART_BRR(n) STM32_USART_REG(n, 0x08)
#define STM32_USART_CR1(n) STM32_USART_REG(n, 0x0C)
#define STM32_USART_CR1_RE (1 << 2)
#define STM32_USART_CR1_TE (1 << 3)
#define STM32_USART_CR1_RXNEIE (1 << 5)
#define STM32_USART_CR1_TXEIE (1 << 7)
#define STM32_USART_CR1_UE (1 << 13)
#define STM32_USART_CR1_OVER8 (1 << 15) /* STM32L only */
#define STM32_USART_CR2(n) STM32_USART_REG(n, 0x10)
#define STM32_USART_CR3(n) STM32_USART_REG(n, 0x14)
#define STM32_USART_CR3_ONEBIT (1 << 11) /* STM32L only */
#define STM32_USART_GTPR(n) STM32_USART_REG(n, 0x18)
#define STM32_IRQ_USART(n) CONCAT2(STM32_IRQ_USART, n)
/* --- TIMERS --- */
#define STM32_TIM1_BASE 0x40012c00 /* STM32F100 and STM32F10x */
#define STM32_TIM2_BASE 0x40000000
#define STM32_TIM3_BASE 0x40000400
#define STM32_TIM4_BASE 0x40000800
#define STM32_TIM5_BASE 0x40000c00 /* STM32F100 and STM32F10x */
#define STM32_TIM6_BASE 0x40001000
#define STM32_TIM7_BASE 0x40001400
#define STM32_TIM8_BASE 0x40013400 /* STM32F10x only */
#if defined(CHIP_FAMILY_stm32l)
#define STM32_TIM9_BASE 0x40010800 /* STM32L15X only */
#define STM32_TIM10_BASE 0x40010C00 /* STM32L15X only */
#define STM32_TIM11_BASE 0x40011000 /* STM32L15X only */
#elif defined(CHIP_VARIANT_stm32f10x)
#define STM32_TIM9_BASE 0x40014C00 /* STM32F10x only */
#define STM32_TIM10_BASE 0x40015000 /* STM32F10x only */
#define STM32_TIM11_BASE 0x40015400 /* STM32F10x only */
#endif /* TIM9-11 */
#define STM32_TIM12_BASE 0x40001800 /* STM32F100 and STM32F10x */
#define STM32_TIM13_BASE 0x40001c00 /* STM32F100 and STM32F10x */
#define STM32_TIM14_BASE 0x40002000 /* STM32F100 and STM32F10x */
#define STM32_TIM15_BASE 0x40014000 /* STM32F100 only */
#define STM32_TIM16_BASE 0x40014400 /* STM32F100 only */
#define STM32_TIM17_BASE 0x40014800 /* STM32F100 only */
#define STM32_TIM_BASE(n) CONCAT3(STM32_TIM, n, _BASE)
#define STM32_TIM_REG(n, offset) \
REG16(STM32_TIM_BASE(n) + (offset))
#define STM32_TIM_CR1(n) STM32_TIM_REG(n, 0x00)
#define STM32_TIM_CR2(n) STM32_TIM_REG(n, 0x04)
#define STM32_TIM_SMCR(n) STM32_TIM_REG(n, 0x08)
#define STM32_TIM_DIER(n) STM32_TIM_REG(n, 0x0C)
#define STM32_TIM_SR(n) STM32_TIM_REG(n, 0x10)
#define STM32_TIM_EGR(n) STM32_TIM_REG(n, 0x14)
#define STM32_TIM_CCMR1(n) STM32_TIM_REG(n, 0x18)
#define STM32_TIM_CCMR2(n) STM32_TIM_REG(n, 0x1C)
#define STM32_TIM_CCER(n) STM32_TIM_REG(n, 0x20)
#define STM32_TIM_CNT(n) STM32_TIM_REG(n, 0x24)
#define STM32_TIM_PSC(n) STM32_TIM_REG(n, 0x28)
#define STM32_TIM_ARR(n) STM32_TIM_REG(n, 0x2C)
#define STM32_TIM_RCR(n) STM32_TIM_REG(n, 0x30)
#define STM32_TIM_CCR1(n) STM32_TIM_REG(n, 0x34)
#define STM32_TIM_CCR2(n) STM32_TIM_REG(n, 0x38)
#define STM32_TIM_CCR3(n) STM32_TIM_REG(n, 0x3C)
#define STM32_TIM_CCR4(n) STM32_TIM_REG(n, 0x40)
#define STM32_TIM_DCR(n) STM32_TIM_REG(n, 0x48)
#define STM32_TIM_DMAR(n) STM32_TIM_REG(n, 0x4C)
#define STM32_TIM_OR(n) STM32_TIM_REG(n, 0x50)
/* Timer registers as struct */
struct timer_ctlr {
unsigned cr1;
unsigned cr2;
unsigned smcr;
unsigned dier;
unsigned sr;
unsigned egr;
unsigned ccmr1;
unsigned ccmr2;
unsigned ccer;
unsigned cnt;
unsigned psc;
unsigned arr;
unsigned ccr[5]; /* ccr[0] = reserved30 */
unsigned reserved44;
unsigned dcr;
unsigned dmar;
unsigned or;
};
/* Must be volatile, or compiler optimizes out repeated accesses */
typedef volatile struct timer_ctlr timer_ctlr_t;
/* --- GPIO --- */
#define GPIO_A STM32_GPIOA_BASE
#define GPIO_B STM32_GPIOB_BASE
#define GPIO_C STM32_GPIOC_BASE
#define GPIO_D STM32_GPIOD_BASE
#define GPIO_E STM32_GPIOE_BASE
#define GPIO_F STM32_GPIOF_BASE
#define GPIO_G STM32_GPIOG_BASE
#define GPIO_H STM32_GPIOH_BASE
#if defined(CHIP_FAMILY_stm32l)
#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_GPIOH_BASE 0x40021400
#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_TIM(x) (((x) > 5) ? 0x3 : ((x) / 3 + 1))
#define GPIO_ALT_I2C 0x4
#define GPIO_ALT_SPI 0x5
#define GPIO_ALT_USART 0x7
#define GPIO_ALT_USB 0xA
#define GPIO_ALT_LCD 0xB
#define GPIO_ALT_RI 0xE
#define GPIO_ALT_EVENTOUT 0xF
#elif defined(CHIP_FAMILY_stm32f)
#define STM32_GPIOA_BASE 0x40010800
#define STM32_GPIOB_BASE 0x40010c00
#define STM32_GPIOC_BASE 0x40011000
#define STM32_GPIOD_BASE 0x40011400
#define STM32_GPIOE_BASE 0x40011800
#define STM32_GPIOF_BASE 0x4001c000
#define STM32_GPIOG_BASE 0x40012000
#define STM32_GPIO_CRL(b) REG32((b) + 0x00)
#define STM32_GPIO_CRH(b) REG32((b) + 0x04)
#define STM32_GPIO_IDR(b) REG16((b) + 0x08)
#define STM32_GPIO_ODR(b) REG16((b) + 0x0c)
#define STM32_GPIO_BSRR(b) REG32((b) + 0x10)
#define STM32_GPIO_BRR(b) REG32((b) + 0x14)
#define STM32_GPIO_LCKR(b) REG32((b) + 0x18)
#define STM32_AFIO_BASE 0x40010000
#define STM32_AFIO_EXTICR(n) REG32(STM32_AFIO_BASE + 8 + 4 * (n))
#define STM32_GPIO_AFIO_EVCR REG32(STM32_AFIO_BASE + 0x00)
#define STM32_GPIO_AFIO_MAPR REG32(STM32_AFIO_BASE + 0x04)
#define STM32_GPIO_AFIO_MAPR2 REG32(STM32_AFIO_BASE + 0x1c)
#else
#error Unsupported chip variant
#endif
/* --- I2C --- */
#define STM32_I2C1_BASE 0x40005400
#define STM32_I2C2_BASE 0x40005800
#define STM32_I2C1_PORT 0
#define STM32_I2C2_PORT 1
#define stm32_i2c_reg(port, offset) \
((uint16_t *)((STM32_I2C1_BASE + ((port) * 0x400)) + (offset)))
#define STM32_I2C_CR1(n) REG16(stm32_i2c_reg(n, 0x00))
#define STM32_I2C_CR1_PE (1 << 0)
#define STM32_I2C_CR1_START (1 << 8)
#define STM32_I2C_CR1_STOP (1 << 9)
#define STM32_I2C_CR1_ACK (1 << 10)
#define STM32_I2C_CR1_POS (1 << 11)
#define STM32_I2C_CR1_SWRST (1 << 15)
#define STM32_I2C_CR2(n) REG16(stm32_i2c_reg(n, 0x04))
#define STM32_I2C_OAR1(n) REG16(stm32_i2c_reg(n, 0x08))
#define STM32_I2C_OAR2(n) REG16(stm32_i2c_reg(n, 0x0C))
#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 (1 << 0)
#define STM32_I2C_SR1_ADDR (1 << 1)
#define STM32_I2C_SR1_BTF (1 << 2)
#define STM32_I2C_SR1_RXNE (1 << 6)
#define STM32_I2C_SR1_TXE (1 << 7)
#define STM32_I2C_SR1_BERR (1 << 8)
#define STM32_I2C_SR1_ARLO (1 << 9)
#define STM32_I2C_SR1_AF (1 << 10)
#define STM32_I2C_SR2(n) REG16(stm32_i2c_reg(n, 0x18))
#define STM32_I2C_CCR(n) REG16(stm32_i2c_reg(n, 0x1C))
#define STM32_I2C_TRISE(n) REG16(stm32_i2c_reg(n, 0x20))
/* --- Power / Reset / Clocks --- */
#define STM32_PWR_BASE 0x40007000
#define STM32_PWR_CR REG32(STM32_PWR_BASE + 0x00)
#define STM32_PWR_CR_LPSDSR (1 << 0)
#define STM32_PWR_CSR REG32(STM32_PWR_BASE + 0x04)
#if defined(CHIP_FAMILY_stm32l)
#define STM32_RCC_BASE 0x40023800
#define STM32_RCC_CR REG32(STM32_RCC_BASE + 0x00)
#define STM32_RCC_CR_HSION (1 << 0)
#define STM32_RCC_CR_HSIRDY (1 << 1)
#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_MASK (3 << 0)
#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_APB1ENR REG32(STM32_RCC_BASE + 0x24)
#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 (1 << 24)
#define STM32_RCC_PB2_TIM9 (1 << 2)
#define STM32_RCC_PB2_TIM10 (1 << 3)
#define STM32_RCC_PB2_TIM11 (1 << 4)
#define STM32_SYSCFG_BASE 0x40010000
#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))
#elif defined(CHIP_FAMILY_stm32f)
#define STM32_RCC_BASE 0x40021000
#define STM32_RCC_CR REG32(STM32_RCC_BASE + 0x00)
#define STM32_RCC_CFGR REG32(STM32_RCC_BASE + 0x04)
#define STM32_RCC_CIR REG32(STM32_RCC_BASE + 0x08)
#define STM32_RCC_APB2RSTR REG32(STM32_RCC_BASE + 0x0c)
#define STM32_RCC_APB1RSTR REG32(STM32_RCC_BASE + 0x10)
#define STM32_RCC_AHBENR REG32(STM32_RCC_BASE + 0x14)
#define STM32_RCC_APB2ENR REG32(STM32_RCC_BASE + 0x18)
#define STM32_RCC_APB1ENR REG32(STM32_RCC_BASE + 0x1c)
#define STM32_RCC_BDCR REG32(STM32_RCC_BASE + 0x20)
#define STM32_RCC_CSR REG32(STM32_RCC_BASE + 0x24)
#define STM32_RCC_CFGR2 REG32(STM32_RCC_BASE + 0x2c) /* STM32F100 */
#define STM32_RCC_HB_DMA1 (1 << 0)
#define STM32_RCC_PB2_TIM1 (1 << 11)
#else
#error Unsupported chip variant
#endif
/* Peripheral bits for RCC_APB/AHB and DBGMCU regs */
#define STM32_RCC_PB1_TIM2 (1 << 0)
#define STM32_RCC_PB1_TIM3 (1 << 1)
#define STM32_RCC_PB1_TIM4 (1 << 2)
#define STM32_RCC_PB1_TIM5 (1 << 3)
#define STM32_RCC_PB1_TIM6 (1 << 4)
#define STM32_RCC_PB1_TIM7 (1 << 5)
#define STM32_RCC_PB1_RTC (1 << 10) /* DBGMCU only */
#define STM32_RCC_PB1_WWDG (1 << 11)
#define STM32_RCC_PB1_IWDG (1 << 12) /* DBGMCU only */
#define STM32_RCC_PB1_USART2 (1 << 17)
#define STM32_RCC_PB1_USART3 (1 << 18)
#define STM32_RCC_PB1_USART4 (1 << 19)
#define STM32_RCC_PB1_USART5 (1 << 20)
#define STM32_RCC_PB2_SPI1 (1 << 12)
#define STM32_RCC_PB2_USART1 (1 << 14)
/* --- Watchdogs --- */
#define STM32_WWDG_BASE 0x40002C00
#define STM32_WWDG_CR REG32(STM32_WWDG_BASE + 0x00)
#define STM32_WWDG_CFR REG32(STM32_WWDG_BASE + 0x04)
#define STM32_WWDG_SR REG32(STM32_WWDG_BASE + 0x08)
#define STM32_WWDG_TB_8 (3 << 7)
#define STM32_WWDG_EWI (1 << 9)
#define STM32_IWDG_BASE 0x40003000
#define STM32_IWDG_KR REG32(STM32_IWDG_BASE + 0x00)
#define STM32_IWDG_KR_UNLOCK 0x5555
#define STM32_IWDG_KR_RELOAD 0xaaaa
#define STM32_IWDG_KR_START 0xcccc
#define STM32_IWDG_PR REG32(STM32_IWDG_BASE + 0x04)
#define STM32_IWDG_RLR REG32(STM32_IWDG_BASE + 0x08)
#define STM32_IWDG_RLR_MAX 0x0fff
#define STM32_IWDG_SR REG32(STM32_IWDG_BASE + 0x0C)
/* --- Real-Time Clock --- */
#define STM32_RTC_BASE 0x40002800
#if defined(CHIP_FAMILY_stm32l)
#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_ISR REG32(STM32_RTC_BASE + 0x0C)
#define STM32_RTC_PRER REG32(STM32_RTC_BASE + 0x10)
#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_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_BACKUP(n) REG32(STM32_RTC_BASE + 0x50 + 4 * (n))
#define STM32_BKP_DATA(n) STM32_RTC_BACKUP(n)
#define STM32_BKP_ENTRIES 20
#elif defined(CHIP_FAMILY_stm32f)
#define STM32_RTC_CRH REG32(STM32_RTC_BASE + 0x00)
#define STM32_RTC_CRL REG32(STM32_RTC_BASE + 0x04)
#define STM32_RTC_PRLH REG32(STM32_RTC_BASE + 0x08)
#define STM32_RTC_PRLL REG16(STM32_RTC_BASE + 0x0c)
#define STM32_RTC_DIVH REG16(STM32_RTC_BASE + 0x10)
#define STM32_RTC_DIVL REG16(STM32_RTC_BASE + 0x14)
#define STM32_RTC_CNTH REG16(STM32_RTC_BASE + 0x18)
#define STM32_RTC_CNTL REG16(STM32_RTC_BASE + 0x1c)
#define STM32_RTC_ALRH REG16(STM32_RTC_BASE + 0x20)
#define STM32_RTC_ALRL REG16(STM32_RTC_BASE + 0x24)
/* --- Backup Registers --- */
#define STM32_BKP_BASE 0x40006c00
#if defined(CHIP_VARIANT_stm32f10x)
#define STM32_BKP_ENTRIES 42
#define STM32_BKP_DATA(n) \
REG16(STM32_BKP_BASE + (n < 11 ? 0x4 : 0x40) + 4 * (n))
#else
#define STM32_BKP_ENTRIES 10
#define STM32_BKP_DATA(n) REG16(STM32_BKP_BASE + 0x4 + 4 * (n))
#endif
#define STM32_BKP_RTCCR REG16(STM32_BKP_BASE + 0x2c)
#define STM32_BKP_CR REG16(STM32_BKP_BASE + 0x30)
#define STM32_BKP_CSR REG16(STM32_BKP_BASE + 0x34)
#define STM32_RTC_BACKUP(n) STM32_BKP_DATA(n)
#else
#error Unsupported chip variant
#endif
/* --- SPI --- */
#define STM32_SPI1_BASE 0x40013000
#define STM32_SPI2_BASE 0x40003800
#define STM32_SPI3_BASE 0x40003c00 /* STM32F100 only */
#define STM32_SPI1_PORT 0
#define STM32_SPI2_PORT 1
/* The SPI controller registers */
struct stm32_spi_regs {
uint16_t cr1;
uint16_t _pad0;
uint16_t cr2;
uint16_t _pad1;
unsigned sr;
uint16_t dr;
uint16_t _pad2;
unsigned crcpr;
unsigned rxcrcr;
unsigned txcrcr;
unsigned i2scfgr; /* STM32F10x and STM32L only */
unsigned i2spr; /* STM32F10x and 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_SPI_CR1_SPE (1 << 6)
#define STM32_SPI_CR2_RXDMAEN (1 << 0)
#define STM32_SPI_CR2_TXDMAEN (1 << 1)
/* --- Debug --- */
#define STM32_DBGMCU_BASE 0xE0042000
#define STM32_DBGMCU_IDCODE REG32(STM32_DBGMCU_BASE + 0x00)
#define STM32_DBGMCU_CR REG32(STM32_DBGMCU_BASE + 0x04)
#define STM32_DBGMCU_APB1FZ REG32(STM32_DBGMCU_BASE + 0x08)
#define STM32_DBGMCU_APB2FZ REG32(STM32_DBGMCU_BASE + 0x0C)
/* --- Flash --- */
#if defined(CHIP_FAMILY_stm32l)
#define STM32_FLASH_REGS_BASE 0x40023c00
#define STM32_FLASH_ACR REG32(STM32_FLASH_REGS_BASE + 0x00)
#define STM32_FLASH_ACR_LATENCY (1 << 0)
#define STM32_FLASH_ACR_PRFTEN (1 << 1)
#define STM32_FLASH_ACR_ACC64 (1 << 2)
#define STM32_FLASH_PECR REG32(STM32_FLASH_REGS_BASE + 0x04)
#define STM32_FLASH_PECR_PE_LOCK (1 << 0)
#define STM32_FLASH_PECR_PRG_LOCK (1 << 1)
#define STM32_FLASH_PECR_OPT_LOCK (1 << 2)
#define STM32_FLASH_PECR_PROG (1 << 3)
#define STM32_FLASH_PECR_ERASE (1 << 9)
#define STM32_FLASH_PECR_FPRG (1 << 10)
#define STM32_FLASH_PECR_OBL_LAUNCH (1 << 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_BASE 0x1ff80000
#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
#elif defined(CHIP_FAMILY_stm32f)
#define STM32_FLASH_REGS_BASE 0x40022000
#define STM32_FLASH_ACR REG32(STM32_FLASH_REGS_BASE + 0x00)
#define STM32_FLASH_KEYR REG32(STM32_FLASH_REGS_BASE + 0x04)
#define STM32_FLASH_OPTKEYR REG32(STM32_FLASH_REGS_BASE + 0x08)
#define STM32_FLASH_SR REG32(STM32_FLASH_REGS_BASE + 0x0c)
#define STM32_FLASH_CR REG32(STM32_FLASH_REGS_BASE + 0x10)
#define STM32_FLASH_AR REG32(STM32_FLASH_REGS_BASE + 0x14)
#define STM32_FLASH_OBR REG32(STM32_FLASH_REGS_BASE + 0x1c)
#define STM32_FLASH_WRPR REG32(STM32_FLASH_REGS_BASE + 0x20)
#define STM32_OPTB_BASE 0x1FFFF800
#define STM32_OPTB_RDP_OFF 0x00
#define STM32_OPTB_USER_OFF 0x02
#define STM32_OPTB_WRP_OFF(n) (0x08 + (n&3) * 2)
#define STM32_OPTB_WRP23 0x0c
#define STM32_OPTB_COMPL_SHIFT 8
#else
#error Unsupported chip variant
#endif
/* --- External Interrupts --- */
#define STM32_EXTI_BASE 0x40010400
#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_ADC1_BASE 0x40012400
#define STM32_ADC_BASE 0x40012700 /* STM32L15X only */
#define STM32_ADC2_BASE 0x40012800 /* STM32F10x only */
#define STM32_ADC3_BASE 0x40013C00 /* STM32F10x only */
#if defined(CHIP_VARIANT_stm32f100)
#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_JOFR(n) REG32(STM32_ADC1_BASE + 0x14 + ((n)&3) * 4)
#define STM32_ADC_HTR REG32(STM32_ADC1_BASE + 0x24)
#define STM32_ADC_LTR REG32(STM32_ADC1_BASE + 0x28)
#define STM32_ADC_SQR1 REG32(STM32_ADC1_BASE + 0x2C)
#define STM32_ADC_SQR2 REG32(STM32_ADC1_BASE + 0x30)
#define STM32_ADC_SQR3 REG32(STM32_ADC1_BASE + 0x34)
#define STM32_ADC_JSQR REG32(STM32_ADC1_BASE + 0x38)
#define STM32_ADC_JDR(n) REG32(STM32_ADC1_BASE + 0x3C + ((n)&3) * 4)
#define STM32_ADC_DR REG32(STM32_ADC1_BASE + 0x4C)
#endif
/* --- DMA --- */
#if defined(CHIP_FAMILY_stm32l)
#define STM32_DMA1_BASE 0x40026000
#elif defined(CHIP_FAMILY_stm32f)
#define STM32_DMA1_BASE 0x40020000
#else
#error Unsupported chip variant
#endif
/*
* 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,
/* Channel functions */
STM32_DMAC_ADC = STM32_DMAC_CH1,
STM32_DMAC_SPI1_RX = STM32_DMAC_CH2,
STM32_DMAC_SPI1_TX = 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_I2C1_TX = STM32_DMAC_CH6,
STM32_DMAC_I2C1_RX = STM32_DMAC_CH7,
/* Only DMA1 (with 7 channels) is present on STM32F100 and STM32L151x */
STM32_DMAC_COUNT = 7,
};
/* 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;
/* 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)
/* Bits for DMA controller regs (isr and ifcr) */
#define STM32_DMA_ISR_MASK(channel, mask) ((mask) << (4 * (channel)))
#define STM32_DMA_ISR_GIF(channel) STM32_DMA_ISR_MASK(channel, 1 << 0)
#define STM32_DMA_ISR_TCIF(channel) STM32_DMA_ISR_MASK(channel, 1 << 1)
#define STM32_DMA_ISR_HTIF(channel) STM32_DMA_ISR_MASK(channel, 1 << 2)
#define STM32_DMA_ISR_TEIF(channel) STM32_DMA_ISR_MASK(channel, 1 << 3)
#define STM32_DMA_ISR_ALL(channel) STM32_DMA_ISR_MASK(channel, 0x0f)
/* Bits for DMA channel regs */
#define STM32_DMA_CCR_EN (1 << 0)
#define STM32_DMA_CCR_TCIE (1 << 1)
#define STM32_DMA_CCR_HTIE (1 << 2)
#define STM32_DMA_CCR_TEIE (1 << 3)
#define STM32_DMA_CCR_DIR (1 << 4)
#define STM32_DMA_CCR_CIRC (1 << 5)
#define STM32_DMA_CCR_PINC (1 << 6)
#define STM32_DMA_CCR_MINC (1 << 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 (1 << 14)
/* --- MISC --- */
#define STM32_RI_BASE 0x40007C04
#define STM32_COMP_BASE 0x40007C00
#define STM32_CEC_BASE 0x40007800 /* STM32F100 only */
#define STM32_DAC_BASE 0x40007400
#define STM32_CRC_BASE 0x40023000
#define STM32_LCD_BASE 0x40002400
#define STM32_FSMC_BASE 0xA0000000 /* STM32F10x only */
#define STM32_USB_OTG_FS_BASE 0x50000000 /* STM32F10x only */
#define STM32_ETHERNET_BASE 0x40028000 /* STM32F10x only */
#define STM32_SDIO_BASE 0x40018000 /* STM32F10x only */
#define STM32_BXCAN1_BASE 0x40006400 /* STM32F10x only */
#define STM32_BXCAN2_BASE 0x40006800 /* STM32F10x only */
#define STM32_USB_CAN_SRAM_BASE 0x40006000 /* STM32F10x only */
#define STM32_USB_FS_BASE 0x40005C00 /* STM32F10x only */
#endif /* __CROS_EC_REGISTERS_H */
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