Signed-off-by: Arnaud Minier <arnaud.min...@telecom-paris.fr> Signed-off-by: Inès Varhol <ines.var...@telecom-paris.fr> --- hw/misc/stm32l4x5_rcc.c | 69 ++- include/hw/misc/stm32l4x5_rcc_internals.h | 707 ++++++++++++++++++++++ 2 files changed, 774 insertions(+), 2 deletions(-)
diff --git a/hw/misc/stm32l4x5_rcc.c b/hw/misc/stm32l4x5_rcc.c index 771b566c88..c2df70ab37 100644 --- a/hw/misc/stm32l4x5_rcc.c +++ b/hw/misc/stm32l4x5_rcc.c @@ -608,21 +608,79 @@ static void stm32l4x5_rcc_init(Object *obj) qdev_init_clocks(DEVICE(s), stm32l4x5_rcc_clocks); for (i = 0; i < RCC_NUM_PLL; i++) { - object_initialize_child(obj, "pll[*]", + object_initialize_child(obj, PLL_INIT_INFO[i].name, &s->plls[i], TYPE_RCC_PLL); + set_pll_init_info(s, &s->plls[i], i); } for (i = 0; i < RCC_NUM_CLOCK_MUX; i++) { + char *alias; - object_initialize_child(obj, "clock[*]", + object_initialize_child(obj, CLOCK_MUX_INIT_INFO[i].name, &s->clock_muxes[i], TYPE_RCC_CLOCK_MUX); + set_clock_mux_init_info(s, &s->clock_muxes[i], i); + if (!CLOCK_MUX_INIT_INFO[i].hidden) { + /* Expose muxes output as RCC outputs */ + alias = g_strdup_printf("%s-out", CLOCK_MUX_INIT_INFO[i].name); + qdev_alias_clock(DEVICE(&s->clock_muxes[i]), "out", DEVICE(obj), alias); + g_free(alias); + } } s->gnd = clock_new(obj, "gnd"); } +static void connect_mux_sources(Stm32l4x5RccState *s, + RccClockMuxState *mux, + const RccClockMuxSource *clk_mapping) +{ + size_t i; + + Clock * const CLK_SRC_MAPPING[] = { + [RCC_CLOCK_MUX_SRC_GND] = s->gnd, + [RCC_CLOCK_MUX_SRC_HSI] = s->hsi16_rc, + [RCC_CLOCK_MUX_SRC_HSE] = s->hse, + [RCC_CLOCK_MUX_SRC_MSI] = s->msi_rc, + [RCC_CLOCK_MUX_SRC_LSI] = s->lsi_rc, + [RCC_CLOCK_MUX_SRC_LSE] = s->lse_crystal, + [RCC_CLOCK_MUX_SRC_SAI1_EXTCLK] = s->sai1_extclk, + [RCC_CLOCK_MUX_SRC_SAI2_EXTCLK] = s->sai2_extclk, + [RCC_CLOCK_MUX_SRC_PLL] = + s->plls[RCC_PLL_PLL].channels[RCC_PLL_CHANNEL_PLLCLK], + [RCC_CLOCK_MUX_SRC_PLLSAI1] = + s->plls[RCC_PLL_PLLSAI1].channels[RCC_PLLSAI1_CHANNEL_PLLSAI1CLK], + [RCC_CLOCK_MUX_SRC_PLLSAI2] = + s->plls[RCC_PLL_PLLSAI2].channels[RCC_PLLSAI2_CHANNEL_PLLSAI2CLK], + [RCC_CLOCK_MUX_SRC_PLLSAI3] = + s->plls[RCC_PLL_PLL].channels[RCC_PLL_CHANNEL_PLLSAI3CLK], + [RCC_CLOCK_MUX_SRC_PLL48M1] = + s->plls[RCC_PLL_PLL].channels[RCC_PLL_CHANNEL_PLL48M1CLK], + [RCC_CLOCK_MUX_SRC_PLL48M2] = + s->plls[RCC_PLL_PLLSAI1].channels[RCC_PLLSAI1_CHANNEL_PLL48M2CLK], + [RCC_CLOCK_MUX_SRC_PLLADC1] = + s->plls[RCC_PLL_PLLSAI1].channels[RCC_PLLSAI1_CHANNEL_PLLADC1CLK], + [RCC_CLOCK_MUX_SRC_PLLADC2] = + s->plls[RCC_PLL_PLLSAI2] .channels[RCC_PLLSAI2_CHANNEL_PLLADC2CLK], + [RCC_CLOCK_MUX_SRC_SYSCLK] = s->clock_muxes[RCC_CLOCK_MUX_SYSCLK].out, + [RCC_CLOCK_MUX_SRC_HCLK] = s->clock_muxes[RCC_CLOCK_MUX_HCLK].out, + [RCC_CLOCK_MUX_SRC_PCLK1] = s->clock_muxes[RCC_CLOCK_MUX_PCLK1].out, + [RCC_CLOCK_MUX_SRC_PCLK2] = s->clock_muxes[RCC_CLOCK_MUX_PCLK2].out, + [RCC_CLOCK_MUX_SRC_HSE_OVER_32] = s->clock_muxes[RCC_CLOCK_MUX_HSE_OVER_32].out, + [RCC_CLOCK_MUX_SRC_LCD_AND_RTC_COMMON] = + s->clock_muxes[RCC_CLOCK_MUX_LCD_AND_RTC_COMMON].out, + }; + + assert(ARRAY_SIZE(CLK_SRC_MAPPING) == RCC_CLOCK_MUX_SRC_NUMBER); + + for (i = 0; i < RCC_NUM_CLOCK_MUX_SRC; i++) { + RccClockMuxSource mapping = clk_mapping[i]; + clock_set_source(mux->srcs[i], CLK_SRC_MAPPING[mapping]); + } +} + + static const VMStateDescription vmstate_stm32l4x5_rcc = { .name = TYPE_STM32L4X5_RCC, .version_id = 1, @@ -688,11 +746,17 @@ static void stm32l4x5_rcc_realize(DeviceState *dev, Error **errp) for (i = 0; i < RCC_NUM_CLOCK_MUX; i++) { RccClockMuxState *clock_mux = &s->clock_muxes[i]; + connect_mux_sources(s, clock_mux, CLOCK_MUX_INIT_INFO[i].src_mapping); + if (!qdev_realize(DEVICE(clock_mux), NULL, errp)) { return; } } + /* + * Start clocks after everything is connected + * to propagate the frequencies along the tree. + */ clock_update_hz(s->msi_rc, MSI_DEFAULT_FRQ); clock_update_hz(s->sai1_extclk, s->sai1_extclk_frequency); clock_update_hz(s->sai2_extclk, s->sai2_extclk_frequency); @@ -726,6 +790,7 @@ static void stm32l4x5_rcc_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); ResettableClass *rc = RESETTABLE_CLASS(klass); + assert(ARRAY_SIZE(CLOCK_MUX_INIT_INFO) == RCC_NUM_CLOCK_MUX); rc->phases.hold = stm32l4x5_rcc_reset_hold; device_class_set_props(dc, stm32l4x5_rcc_properties); diff --git a/include/hw/misc/stm32l4x5_rcc_internals.h b/include/hw/misc/stm32l4x5_rcc_internals.h index a9da5e3be7..c73e20ae01 100644 --- a/include/hw/misc/stm32l4x5_rcc_internals.h +++ b/include/hw/misc/stm32l4x5_rcc_internals.h @@ -334,4 +334,711 @@ typedef enum RccClockMuxSource { 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(Stm32l4x5RccState *s, + 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(Stm32l4x5RccState *s, + 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 */ -- 2.34.1