| /* |
| * STM32L4X5 RCC (Reset and clock control) |
| * |
| * Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr> |
| * Copyright (c) 2023 Inès Varhol <ines.varhol@telecom-paris.fr> |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| * |
| * The reference used is the STMicroElectronics RM0351 Reference manual |
| * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs. |
| * |
| * Inspired by the BCM2835 CPRMAN clock manager implementation by Luc Michel. |
| */ |
| |
| #ifndef HW_STM32L4X5_RCC_INTERNALS_H |
| #define HW_STM32L4X5_RCC_INTERNALS_H |
| |
| #include "hw/registerfields.h" |
| #include "hw/misc/stm32l4x5_rcc.h" |
| |
| #define TYPE_RCC_CLOCK_MUX "stm32l4x5-rcc-clock-mux" |
| #define TYPE_RCC_PLL "stm32l4x5-rcc-pll" |
| |
| OBJECT_DECLARE_SIMPLE_TYPE(RccClockMuxState, RCC_CLOCK_MUX) |
| OBJECT_DECLARE_SIMPLE_TYPE(RccPllState, RCC_PLL) |
| |
| /* Register map */ |
| REG32(CR, 0x00) |
| FIELD(CR, PLLSAI2RDY, 29, 1) |
| FIELD(CR, PLLSAI2ON, 28, 1) |
| FIELD(CR, PLLSAI1RDY, 27, 1) |
| FIELD(CR, PLLSAI1ON, 26, 1) |
| FIELD(CR, PLLRDY, 25, 1) |
| FIELD(CR, PLLON, 24, 1) |
| FIELD(CR, CSSON, 19, 1) |
| FIELD(CR, HSEBYP, 18, 1) |
| FIELD(CR, HSERDY, 17, 1) |
| FIELD(CR, HSEON, 16, 1) |
| FIELD(CR, HSIASFS, 11, 1) |
| FIELD(CR, HSIRDY, 10, 1) |
| FIELD(CR, HSIKERON, 9, 1) |
| FIELD(CR, HSION, 8, 1) |
| FIELD(CR, MSIRANGE, 4, 4) |
| FIELD(CR, MSIRGSEL, 3, 1) |
| FIELD(CR, MSIPLLEN, 2, 1) |
| FIELD(CR, MSIRDY, 1, 1) |
| FIELD(CR, MSION, 0, 1) |
| REG32(ICSCR, 0x04) |
| FIELD(ICSCR, HSITRIM, 24, 7) |
| FIELD(ICSCR, HSICAL, 16, 8) |
| FIELD(ICSCR, MSITRIM, 8, 8) |
| FIELD(ICSCR, MSICAL, 0, 8) |
| REG32(CFGR, 0x08) |
| FIELD(CFGR, MCOPRE, 28, 3) |
| /* MCOSEL[2:0] only for STM32L475xx/476xx/486xx devices */ |
| FIELD(CFGR, MCOSEL, 24, 3) |
| FIELD(CFGR, STOPWUCK, 15, 1) |
| FIELD(CFGR, PPRE2, 11, 3) |
| FIELD(CFGR, PPRE1, 8, 3) |
| FIELD(CFGR, HPRE, 4, 4) |
| FIELD(CFGR, SWS, 2, 2) |
| FIELD(CFGR, SW, 0, 2) |
| REG32(PLLCFGR, 0x0C) |
| FIELD(PLLCFGR, PLLPDIV, 27, 5) |
| FIELD(PLLCFGR, PLLR, 25, 2) |
| FIELD(PLLCFGR, PLLREN, 24, 1) |
| FIELD(PLLCFGR, PLLQ, 21, 2) |
| FIELD(PLLCFGR, PLLQEN, 20, 1) |
| FIELD(PLLCFGR, PLLP, 17, 1) |
| FIELD(PLLCFGR, PLLPEN, 16, 1) |
| FIELD(PLLCFGR, PLLN, 8, 7) |
| FIELD(PLLCFGR, PLLM, 4, 3) |
| FIELD(PLLCFGR, PLLSRC, 0, 2) |
| REG32(PLLSAI1CFGR, 0x10) |
| FIELD(PLLSAI1CFGR, PLLSAI1PDIV, 27, 5) |
| FIELD(PLLSAI1CFGR, PLLSAI1R, 25, 2) |
| FIELD(PLLSAI1CFGR, PLLSAI1REN, 24, 1) |
| FIELD(PLLSAI1CFGR, PLLSAI1Q, 21, 2) |
| FIELD(PLLSAI1CFGR, PLLSAI1QEN, 20, 1) |
| FIELD(PLLSAI1CFGR, PLLSAI1P, 17, 1) |
| FIELD(PLLSAI1CFGR, PLLSAI1PEN, 16, 1) |
| FIELD(PLLSAI1CFGR, PLLSAI1N, 8, 7) |
| REG32(PLLSAI2CFGR, 0x14) |
| FIELD(PLLSAI2CFGR, PLLSAI2PDIV, 27, 5) |
| FIELD(PLLSAI2CFGR, PLLSAI2R, 25, 2) |
| FIELD(PLLSAI2CFGR, PLLSAI2REN, 24, 1) |
| FIELD(PLLSAI2CFGR, PLLSAI2Q, 21, 2) |
| FIELD(PLLSAI2CFGR, PLLSAI2QEN, 20, 1) |
| FIELD(PLLSAI2CFGR, PLLSAI2P, 17, 1) |
| FIELD(PLLSAI2CFGR, PLLSAI2PEN, 16, 1) |
| FIELD(PLLSAI2CFGR, PLLSAI2N, 8, 7) |
| REG32(CIER, 0x18) |
| /* HSI48RDYIE: only on STM32L496xx/4A6xx devices */ |
| FIELD(CIER, LSECSSIE, 9, 1) |
| FIELD(CIER, PLLSAI2RDYIE, 7, 1) |
| FIELD(CIER, PLLSAI1RDYIE, 6, 1) |
| FIELD(CIER, PLLRDYIE, 5, 1) |
| FIELD(CIER, HSERDYIE, 4, 1) |
| FIELD(CIER, HSIRDYIE, 3, 1) |
| FIELD(CIER, MSIRDYIE, 2, 1) |
| FIELD(CIER, LSERDYIE, 1, 1) |
| FIELD(CIER, LSIRDYIE, 0, 1) |
| REG32(CIFR, 0x1C) |
| /* HSI48RDYF: only on STM32L496xx/4A6xx devices */ |
| FIELD(CIFR, LSECSSF, 9, 1) |
| FIELD(CIFR, CSSF, 8, 1) |
| FIELD(CIFR, PLLSAI2RDYF, 7, 1) |
| FIELD(CIFR, PLLSAI1RDYF, 6, 1) |
| FIELD(CIFR, PLLRDYF, 5, 1) |
| FIELD(CIFR, HSERDYF, 4, 1) |
| FIELD(CIFR, HSIRDYF, 3, 1) |
| FIELD(CIFR, MSIRDYF, 2, 1) |
| FIELD(CIFR, LSERDYF, 1, 1) |
| FIELD(CIFR, LSIRDYF, 0, 1) |
| REG32(CICR, 0x20) |
| /* HSI48RDYC: only on STM32L496xx/4A6xx devices */ |
| FIELD(CICR, LSECSSC, 9, 1) |
| FIELD(CICR, CSSC, 8, 1) |
| FIELD(CICR, PLLSAI2RDYC, 7, 1) |
| FIELD(CICR, PLLSAI1RDYC, 6, 1) |
| FIELD(CICR, PLLRDYC, 5, 1) |
| FIELD(CICR, HSERDYC, 4, 1) |
| FIELD(CICR, HSIRDYC, 3, 1) |
| FIELD(CICR, MSIRDYC, 2, 1) |
| FIELD(CICR, LSERDYC, 1, 1) |
| FIELD(CICR, LSIRDYC, 0, 1) |
| REG32(AHB1RSTR, 0x28) |
| REG32(AHB2RSTR, 0x2C) |
| REG32(AHB3RSTR, 0x30) |
| REG32(APB1RSTR1, 0x38) |
| REG32(APB1RSTR2, 0x3C) |
| REG32(APB2RSTR, 0x40) |
| REG32(AHB1ENR, 0x48) |
| /* DMA2DEN: reserved for STM32L475xx */ |
| FIELD(AHB1ENR, TSCEN, 16, 1) |
| FIELD(AHB1ENR, CRCEN, 12, 1) |
| FIELD(AHB1ENR, FLASHEN, 8, 1) |
| FIELD(AHB1ENR, DMA2EN, 1, 1) |
| FIELD(AHB1ENR, DMA1EN, 0, 1) |
| REG32(AHB2ENR, 0x4C) |
| FIELD(AHB2ENR, RNGEN, 18, 1) |
| /* HASHEN: reserved for STM32L475xx */ |
| FIELD(AHB2ENR, AESEN, 16, 1) |
| /* DCMIEN: reserved for STM32L475xx */ |
| FIELD(AHB2ENR, ADCEN, 13, 1) |
| FIELD(AHB2ENR, OTGFSEN, 12, 1) |
| /* GPIOIEN: reserved for STM32L475xx */ |
| FIELD(AHB2ENR, GPIOHEN, 7, 1) |
| FIELD(AHB2ENR, GPIOGEN, 6, 1) |
| FIELD(AHB2ENR, GPIOFEN, 5, 1) |
| FIELD(AHB2ENR, GPIOEEN, 4, 1) |
| FIELD(AHB2ENR, GPIODEN, 3, 1) |
| FIELD(AHB2ENR, GPIOCEN, 2, 1) |
| FIELD(AHB2ENR, GPIOBEN, 1, 1) |
| FIELD(AHB2ENR, GPIOAEN, 0, 1) |
| REG32(AHB3ENR, 0x50) |
| FIELD(AHB3ENR, QSPIEN, 8, 1) |
| FIELD(AHB3ENR, FMCEN, 0, 1) |
| REG32(APB1ENR1, 0x58) |
| FIELD(APB1ENR1, LPTIM1EN, 31, 1) |
| FIELD(APB1ENR1, OPAMPEN, 30, 1) |
| FIELD(APB1ENR1, DAC1EN, 29, 1) |
| FIELD(APB1ENR1, PWREN, 28, 1) |
| FIELD(APB1ENR1, CAN2EN, 26, 1) |
| FIELD(APB1ENR1, CAN1EN, 25, 1) |
| /* CRSEN: reserved for STM32L475xx */ |
| FIELD(APB1ENR1, I2C3EN, 23, 1) |
| FIELD(APB1ENR1, I2C2EN, 22, 1) |
| FIELD(APB1ENR1, I2C1EN, 21, 1) |
| FIELD(APB1ENR1, UART5EN, 20, 1) |
| FIELD(APB1ENR1, UART4EN, 19, 1) |
| FIELD(APB1ENR1, USART3EN, 18, 1) |
| FIELD(APB1ENR1, USART2EN, 17, 1) |
| FIELD(APB1ENR1, SPI3EN, 15, 1) |
| FIELD(APB1ENR1, SPI2EN, 14, 1) |
| FIELD(APB1ENR1, WWDGEN, 11, 1) |
| /* RTCAPBEN: reserved for STM32L475xx */ |
| FIELD(APB1ENR1, LCDEN, 9, 1) |
| FIELD(APB1ENR1, TIM7EN, 5, 1) |
| FIELD(APB1ENR1, TIM6EN, 4, 1) |
| FIELD(APB1ENR1, TIM5EN, 3, 1) |
| FIELD(APB1ENR1, TIM4EN, 2, 1) |
| FIELD(APB1ENR1, TIM3EN, 1, 1) |
| FIELD(APB1ENR1, TIM2EN, 0, 1) |
| REG32(APB1ENR2, 0x5C) |
| FIELD(APB1ENR2, LPTIM2EN, 5, 1) |
| FIELD(APB1ENR2, SWPMI1EN, 2, 1) |
| /* I2C4EN: reserved for STM32L475xx */ |
| FIELD(APB1ENR2, LPUART1EN, 0, 1) |
| REG32(APB2ENR, 0x60) |
| FIELD(APB2ENR, DFSDM1EN, 24, 1) |
| FIELD(APB2ENR, SAI2EN, 22, 1) |
| FIELD(APB2ENR, SAI1EN, 21, 1) |
| FIELD(APB2ENR, TIM17EN, 18, 1) |
| FIELD(APB2ENR, TIM16EN, 17, 1) |
| FIELD(APB2ENR, TIM15EN, 16, 1) |
| FIELD(APB2ENR, USART1EN, 14, 1) |
| FIELD(APB2ENR, TIM8EN, 13, 1) |
| FIELD(APB2ENR, SPI1EN, 12, 1) |
| FIELD(APB2ENR, TIM1EN, 11, 1) |
| FIELD(APB2ENR, SDMMC1EN, 10, 1) |
| FIELD(APB2ENR, FWEN, 7, 1) |
| FIELD(APB2ENR, SYSCFGEN, 0, 1) |
| REG32(AHB1SMENR, 0x68) |
| REG32(AHB2SMENR, 0x6C) |
| REG32(AHB3SMENR, 0x70) |
| REG32(APB1SMENR1, 0x78) |
| REG32(APB1SMENR2, 0x7C) |
| REG32(APB2SMENR, 0x80) |
| REG32(CCIPR, 0x88) |
| FIELD(CCIPR, DFSDM1SEL, 31, 1) |
| FIELD(CCIPR, SWPMI1SEL, 30, 1) |
| FIELD(CCIPR, ADCSEL, 28, 2) |
| FIELD(CCIPR, CLK48SEL, 26, 2) |
| FIELD(CCIPR, SAI2SEL, 24, 2) |
| FIELD(CCIPR, SAI1SEL, 22, 2) |
| FIELD(CCIPR, LPTIM2SEL, 20, 2) |
| FIELD(CCIPR, LPTIM1SEL, 18, 2) |
| FIELD(CCIPR, I2C3SEL, 16, 2) |
| FIELD(CCIPR, I2C2SEL, 14, 2) |
| FIELD(CCIPR, I2C1SEL, 12, 2) |
| FIELD(CCIPR, LPUART1SEL, 10, 2) |
| FIELD(CCIPR, UART5SEL, 8, 2) |
| FIELD(CCIPR, UART4SEL, 6, 2) |
| FIELD(CCIPR, USART3SEL, 4, 2) |
| FIELD(CCIPR, USART2SEL, 2, 2) |
| FIELD(CCIPR, USART1SEL, 0, 2) |
| REG32(BDCR, 0x90) |
| FIELD(BDCR, LSCOSEL, 25, 1) |
| FIELD(BDCR, LSCOEN, 24, 1) |
| FIELD(BDCR, BDRST, 16, 1) |
| FIELD(BDCR, RTCEN, 15, 1) |
| FIELD(BDCR, RTCSEL, 8, 2) |
| FIELD(BDCR, LSECSSD, 6, 1) |
| FIELD(BDCR, LSECSSON, 5, 1) |
| FIELD(BDCR, LSEDRV, 3, 2) |
| FIELD(BDCR, LSEBYP, 2, 1) |
| FIELD(BDCR, LSERDY, 1, 1) |
| FIELD(BDCR, LSEON, 0, 1) |
| REG32(CSR, 0x94) |
| FIELD(CSR, LPWRRSTF, 31, 1) |
| FIELD(CSR, WWDGRSTF, 30, 1) |
| FIELD(CSR, IWWGRSTF, 29, 1) |
| FIELD(CSR, SFTRSTF, 28, 1) |
| FIELD(CSR, BORRSTF, 27, 1) |
| FIELD(CSR, PINRSTF, 26, 1) |
| FIELD(CSR, OBLRSTF, 25, 1) |
| FIELD(CSR, FWRSTF, 24, 1) |
| FIELD(CSR, RMVF, 23, 1) |
| FIELD(CSR, MSISRANGE, 8, 4) |
| FIELD(CSR, LSIRDY, 1, 1) |
| FIELD(CSR, LSION, 0, 1) |
| /* CRRCR and CCIPR2 registers are present on L496/L4A6 devices only. */ |
| |
| /* Read Only masks to prevent writes in unauthorized bits */ |
| #define CR_READ_ONLY_MASK (R_CR_PLLSAI2RDY_MASK | \ |
| R_CR_PLLSAI1RDY_MASK | \ |
| R_CR_PLLRDY_MASK | \ |
| R_CR_HSERDY_MASK | \ |
| R_CR_HSIRDY_MASK | \ |
| R_CR_MSIRDY_MASK) |
| #define CR_READ_SET_MASK (R_CR_CSSON_MASK | R_CR_MSIRGSEL_MASK) |
| #define ICSCR_READ_ONLY_MASK (R_ICSCR_HSICAL_MASK | R_ICSCR_MSICAL_MASK) |
| #define CFGR_READ_ONLY_MASK (R_CFGR_SWS_MASK) |
| #define CIFR_READ_ONLY_MASK (R_CIFR_LSECSSF_MASK | \ |
| R_CIFR_CSSF_MASK | \ |
| R_CIFR_PLLSAI2RDYF_MASK | \ |
| R_CIFR_PLLSAI1RDYF_MASK | \ |
| R_CIFR_PLLRDYF_MASK | \ |
| R_CIFR_HSERDYF_MASK | \ |
| R_CIFR_HSIRDYF_MASK | \ |
| R_CIFR_MSIRDYF_MASK | \ |
| R_CIFR_LSERDYF_MASK | \ |
| R_CIFR_LSIRDYF_MASK) |
| #define CIFR_IRQ_MASK CIFR_READ_ONLY_MASK |
| #define APB2ENR_READ_SET_MASK (R_APB2ENR_FWEN_MASK) |
| #define BDCR_READ_ONLY_MASK (R_BDCR_LSECSSD_MASK | R_BDCR_LSERDY_MASK) |
| #define CSR_READ_ONLY_MASK (R_CSR_LPWRRSTF_MASK | \ |
| R_CSR_WWDGRSTF_MASK | \ |
| R_CSR_IWWGRSTF_MASK | \ |
| R_CSR_SFTRSTF_MASK | \ |
| R_CSR_BORRSTF_MASK | \ |
| R_CSR_PINRSTF_MASK | \ |
| R_CSR_OBLRSTF_MASK | \ |
| R_CSR_FWRSTF_MASK | \ |
| R_CSR_LSIRDY_MASK) |
| |
| /* Pll Channels */ |
| enum PllChannels { |
| RCC_PLL_CHANNEL_PLLSAI3CLK = 0, |
| RCC_PLL_CHANNEL_PLL48M1CLK = 1, |
| RCC_PLL_CHANNEL_PLLCLK = 2, |
| }; |
| |
| enum PllSai1Channels { |
| RCC_PLLSAI1_CHANNEL_PLLSAI1CLK = 0, |
| RCC_PLLSAI1_CHANNEL_PLL48M2CLK = 1, |
| RCC_PLLSAI1_CHANNEL_PLLADC1CLK = 2, |
| }; |
| |
| enum PllSai2Channels { |
| RCC_PLLSAI2_CHANNEL_PLLSAI2CLK = 0, |
| /* No Q channel */ |
| RCC_PLLSAI2_CHANNEL_PLLADC2CLK = 2, |
| }; |
| |
| typedef enum RccClockMuxSource { |
| RCC_CLOCK_MUX_SRC_GND = 0, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_HSE, |
| RCC_CLOCK_MUX_SRC_MSI, |
| RCC_CLOCK_MUX_SRC_LSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| RCC_CLOCK_MUX_SRC_SAI1_EXTCLK, |
| RCC_CLOCK_MUX_SRC_SAI2_EXTCLK, |
| RCC_CLOCK_MUX_SRC_PLL, |
| RCC_CLOCK_MUX_SRC_PLLSAI1, |
| RCC_CLOCK_MUX_SRC_PLLSAI2, |
| RCC_CLOCK_MUX_SRC_PLLSAI3, |
| RCC_CLOCK_MUX_SRC_PLL48M1, |
| RCC_CLOCK_MUX_SRC_PLL48M2, |
| RCC_CLOCK_MUX_SRC_PLLADC1, |
| RCC_CLOCK_MUX_SRC_PLLADC2, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HCLK, |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| RCC_CLOCK_MUX_SRC_HSE_OVER_32, |
| RCC_CLOCK_MUX_SRC_LCD_AND_RTC_COMMON, |
| |
| RCC_CLOCK_MUX_SRC_NUMBER, |
| } RccClockMuxSource; |
| |
| /* PLL init info */ |
| typedef struct PllInitInfo { |
| const char *name; |
| |
| const char *channel_name[RCC_NUM_CHANNEL_PLL_OUT]; |
| bool channel_exists[RCC_NUM_CHANNEL_PLL_OUT]; |
| uint32_t default_channel_divider[RCC_NUM_CHANNEL_PLL_OUT]; |
| |
| RccClockMuxSource src_mapping[RCC_NUM_CLOCK_MUX_SRC]; |
| } PllInitInfo; |
| |
| static const PllInitInfo PLL_INIT_INFO[] = { |
| [RCC_PLL_PLL] = { |
| .name = "pll", |
| .channel_name = { |
| "pllsai3clk", |
| "pll48m1clk", |
| "pllclk" |
| }, |
| .channel_exists = { |
| true, true, true |
| }, |
| /* From PLLCFGR register documentation */ |
| .default_channel_divider = { |
| 7, 2, 2 |
| } |
| }, |
| [RCC_PLL_PLLSAI1] = { |
| .name = "pllsai1", |
| .channel_name = { |
| "pllsai1clk", |
| "pll48m2clk", |
| "plladc1clk" |
| }, |
| .channel_exists = { |
| true, true, true |
| }, |
| /* From PLLSAI1CFGR register documentation */ |
| .default_channel_divider = { |
| 7, 2, 2 |
| } |
| }, |
| [RCC_PLL_PLLSAI2] = { |
| .name = "pllsai2", |
| .channel_name = { |
| "pllsai2clk", |
| NULL, |
| "plladc2clk" |
| }, |
| .channel_exists = { |
| true, false, true |
| }, |
| /* From PLLSAI2CFGR register documentation */ |
| .default_channel_divider = { |
| 7, 0, 2 |
| } |
| } |
| }; |
| |
| static inline void set_pll_init_info(RccPllState *pll, |
| RccPll id) |
| { |
| int i; |
| |
| pll->id = id; |
| pll->vco_multiplier = 1; |
| for (i = 0; i < RCC_NUM_CHANNEL_PLL_OUT; i++) { |
| pll->channel_enabled[i] = false; |
| pll->channel_exists[i] = PLL_INIT_INFO[id].channel_exists[i]; |
| pll->channel_divider[i] = PLL_INIT_INFO[id].default_channel_divider[i]; |
| } |
| } |
| |
| /* Clock mux init info */ |
| typedef struct ClockMuxInitInfo { |
| const char *name; |
| |
| uint32_t multiplier; |
| uint32_t divider; |
| bool enabled; |
| /* If this is true, the clock will not be exposed outside of the device */ |
| bool hidden; |
| |
| RccClockMuxSource src_mapping[RCC_NUM_CLOCK_MUX_SRC]; |
| } ClockMuxInitInfo; |
| |
| #define FILL_DEFAULT_FACTOR \ |
| .multiplier = 1, \ |
| .divider = 1 |
| |
| #define FILL_DEFAULT_INIT_ENABLED \ |
| FILL_DEFAULT_FACTOR, \ |
| .enabled = true |
| |
| #define FILL_DEFAULT_INIT_DISABLED \ |
| FILL_DEFAULT_FACTOR, \ |
| .enabled = false |
| |
| |
| static const ClockMuxInitInfo CLOCK_MUX_INIT_INFO[] = { |
| [RCC_CLOCK_MUX_SYSCLK] = { |
| .name = "sysclk", |
| /* Same mapping as: CFGR_SW */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_MSI, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_HSE, |
| RCC_CLOCK_MUX_SRC_PLL, |
| }, |
| .hidden = true, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| [RCC_CLOCK_MUX_PLL_INPUT] = { |
| .name = "pll-input", |
| /* Same mapping as: PLLCFGR_PLLSRC */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_MSI, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_HSE, |
| }, |
| .hidden = true, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| [RCC_CLOCK_MUX_HCLK] = { |
| .name = "hclk", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| .hidden = true, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| [RCC_CLOCK_MUX_PCLK1] = { |
| .name = "pclk1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_HCLK, |
| }, |
| .hidden = true, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| [RCC_CLOCK_MUX_PCLK2] = { |
| .name = "pclk2", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_HCLK, |
| }, |
| .hidden = true, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| [RCC_CLOCK_MUX_HSE_OVER_32] = { |
| .name = "hse-divided-by-32", |
| .multiplier = 1, |
| .divider = 32, |
| .enabled = true, |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_HSE, |
| }, |
| .hidden = true, |
| }, |
| [RCC_CLOCK_MUX_LCD_AND_RTC_COMMON] = { |
| .name = "lcd-and-rtc-common-mux", |
| /* Same mapping as: BDCR_RTCSEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_GND, |
| RCC_CLOCK_MUX_SRC_LSE, |
| RCC_CLOCK_MUX_SRC_LSI, |
| RCC_CLOCK_MUX_SRC_HSE_OVER_32, |
| }, |
| .hidden = true, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| /* From now on, muxes with a publicly available output */ |
| [RCC_CLOCK_MUX_CORTEX_REFCLK] = { |
| .name = "cortex-refclk", |
| .multiplier = 1, |
| /* REFCLK is always HCLK/8 */ |
| .divider = 8, |
| .enabled = true, |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_HCLK, |
| } |
| }, |
| [RCC_CLOCK_MUX_USART1] = { |
| .name = "usart1", |
| /* Same mapping as: CCIPR_USART1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_USART2] = { |
| .name = "usart2", |
| /* Same mapping as: CCIPR_USART2SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_USART3] = { |
| .name = "usart3", |
| /* Same mapping as: CCIPR_USART3SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_UART4] = { |
| .name = "uart4", |
| /* Same mapping as: CCIPR_UART4SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_UART5] = { |
| .name = "uart5", |
| /* Same mapping as: CCIPR_UART5SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_LPUART1] = { |
| .name = "lpuart1", |
| /* Same mapping as: CCIPR_LPUART1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_I2C1] = { |
| .name = "i2c1", |
| /* Same mapping as: CCIPR_I2C1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_I2C2] = { |
| .name = "i2c2", |
| /* Same mapping as: CCIPR_I2C2SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_I2C3] = { |
| .name = "i2c3", |
| /* Same mapping as: CCIPR_I2C3SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_HSI, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_LPTIM1] = { |
| .name = "lptim1", |
| /* Same mapping as: CCIPR_LPTIM1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_LSI, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_LPTIM2] = { |
| .name = "lptim2", |
| /* Same mapping as: CCIPR_LPTIM2SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_LSI, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SWPMI1] = { |
| .name = "swpmi1", |
| /* Same mapping as: CCIPR_SWPMI1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| RCC_CLOCK_MUX_SRC_HSI, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_MCO] = { |
| .name = "mco", |
| /* Same mapping as: CFGR_MCOSEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| RCC_CLOCK_MUX_SRC_MSI, |
| RCC_CLOCK_MUX_SRC_HSI, |
| RCC_CLOCK_MUX_SRC_HSE, |
| RCC_CLOCK_MUX_SRC_PLL, |
| RCC_CLOCK_MUX_SRC_LSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_LSCO] = { |
| .name = "lsco", |
| /* Same mapping as: BDCR_LSCOSEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_LSI, |
| RCC_CLOCK_MUX_SRC_LSE, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_DFSDM1] = { |
| .name = "dfsdm1", |
| /* Same mapping as: CCIPR_DFSDM1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_ADC] = { |
| .name = "adc", |
| /* Same mapping as: CCIPR_ADCSEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_GND, |
| RCC_CLOCK_MUX_SRC_PLLADC1, |
| RCC_CLOCK_MUX_SRC_PLLADC2, |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_CLK48] = { |
| .name = "clk48", |
| /* Same mapping as: CCIPR_CLK48SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_GND, |
| RCC_CLOCK_MUX_SRC_PLL48M2, |
| RCC_CLOCK_MUX_SRC_PLL48M1, |
| RCC_CLOCK_MUX_SRC_MSI, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SAI2] = { |
| .name = "sai2", |
| /* Same mapping as: CCIPR_SAI2SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PLLSAI1, |
| RCC_CLOCK_MUX_SRC_PLLSAI2, |
| RCC_CLOCK_MUX_SRC_PLLSAI3, |
| RCC_CLOCK_MUX_SRC_SAI2_EXTCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SAI1] = { |
| .name = "sai1", |
| /* Same mapping as: CCIPR_SAI1SEL */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PLLSAI1, |
| RCC_CLOCK_MUX_SRC_PLLSAI2, |
| RCC_CLOCK_MUX_SRC_PLLSAI3, |
| RCC_CLOCK_MUX_SRC_SAI1_EXTCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| /* From now on, these muxes only have one valid source */ |
| [RCC_CLOCK_MUX_TSC] = { |
| .name = "tsc", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_CRC] = { |
| .name = "crc", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_FLASH] = { |
| .name = "flash", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_DMA2] = { |
| .name = "dma2", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_DMA1] = { |
| .name = "dma1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_RNG] = { |
| .name = "rng", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_AES] = { |
| .name = "aes", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_OTGFS] = { |
| .name = "otgfs", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOA] = { |
| .name = "gpioa", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOB] = { |
| .name = "gpiob", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOC] = { |
| .name = "gpioc", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOD] = { |
| .name = "gpiod", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOE] = { |
| .name = "gpioe", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOF] = { |
| .name = "gpiof", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOG] = { |
| .name = "gpiog", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_GPIOH] = { |
| .name = "gpioh", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_QSPI] = { |
| .name = "qspi", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_FMC] = { |
| .name = "fmc", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_OPAMP] = { |
| .name = "opamp", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_DAC1] = { |
| .name = "dac1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_PWR] = { |
| .name = "pwr", |
| /* |
| * PWREN is in the APB1ENR1 register, |
| * but PWR uses SYSCLK according to the clock tree. |
| */ |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_SYSCLK, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_CAN1] = { |
| .name = "can1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SPI3] = { |
| .name = "spi3", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SPI2] = { |
| .name = "spi2", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_WWDG] = { |
| .name = "wwdg", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_LCD] = { |
| .name = "lcd", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_LCD_AND_RTC_COMMON, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM7] = { |
| .name = "tim7", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM6] = { |
| .name = "tim6", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM5] = { |
| .name = "tim5", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM4] = { |
| .name = "tim4", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM3] = { |
| .name = "tim3", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM2] = { |
| .name = "tim2", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK1, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM17] = { |
| .name = "tim17", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM16] = { |
| .name = "tim16", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM15] = { |
| .name = "tim15", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM8] = { |
| .name = "tim8", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SPI1] = { |
| .name = "spi1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_TIM1] = { |
| .name = "tim1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SDMMC1] = { |
| .name = "sdmmc1", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_FW] = { |
| .name = "fw", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_SYSCFG] = { |
| .name = "syscfg", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_PCLK2, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_RTC] = { |
| .name = "rtc", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_LCD_AND_RTC_COMMON, |
| }, |
| FILL_DEFAULT_INIT_DISABLED, |
| }, |
| [RCC_CLOCK_MUX_CORTEX_FCLK] = { |
| .name = "cortex-fclk", |
| .src_mapping = { |
| RCC_CLOCK_MUX_SRC_HCLK, |
| }, |
| FILL_DEFAULT_INIT_ENABLED, |
| }, |
| }; |
| |
| static inline void set_clock_mux_init_info(RccClockMuxState *mux, |
| RccClockMux id) |
| { |
| mux->id = id; |
| mux->multiplier = CLOCK_MUX_INIT_INFO[id].multiplier; |
| mux->divider = CLOCK_MUX_INIT_INFO[id].divider; |
| mux->enabled = CLOCK_MUX_INIT_INFO[id].enabled; |
| /* |
| * Every peripheral has the first source of their source list as |
| * as their default source. |
| */ |
| mux->src = 0; |
| } |
| |
| #endif /* HW_STM32L4X5_RCC_INTERNALS_H */ |