Add STM32G431 and STM32G474 board definitions. (#11793)

* Add STM32G431 and STM32G474 board definitions.

* Add docs.

3 files changed, 339 insertions, 0 deletions

diff --git a/platforms/chibios/GENERIC_STM32_G431XB/board/board.mk b/platforms/chibios/GENERIC_STM32_G431XB/board/board.mk
new file mode 100644
index 0000000000..0acbcd83c7
--- /dev/null
+++ b/platforms/chibios/GENERIC_STM32_G431XB/board/board.mk
@@ -0,0 +1,9 @@
+# List of all the board related files.
+BOARDSRC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO64_G431RB/board.c
+
+# Required include directories
+BOARDINC = $(CHIBIOS)/os/hal/boards/ST_NUCLEO64_G431RB
+
+# Shared variables
+ALLCSRC += $(BOARDSRC)
+ALLINC  += $(BOARDINC)
diff --git a/platforms/chibios/GENERIC_STM32_G431XB/configs/config.h b/platforms/chibios/GENERIC_STM32_G431XB/configs/config.h
new file mode 100644
index 0000000000..39ce627e77
--- /dev/null
+++ b/platforms/chibios/GENERIC_STM32_G431XB/configs/config.h
@@ -0,0 +1,23 @@
+/* Copyright 2018-2020 Nick Brassel (@tzarc)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Address for jumping to bootloader on STM32 chips. */
+/* It is chip dependent, the correct number can be looked up here (page 175):
+ * http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf
+ * This also requires a patch to chibios:
+ *  <tmk_dir>/tmk_core/tool/chibios/ch-bootloader-jump.patch
+ */
+#define STM32_BOOTLOADER_ADDRESS 0x1FFF0000
diff --git a/platforms/chibios/GENERIC_STM32_G431XB/configs/mcuconf.h b/platforms/chibios/GENERIC_STM32_G431XB/configs/mcuconf.h
new file mode 100644
index 0000000000..182d4885d7
--- /dev/null
+++ b/platforms/chibios/GENERIC_STM32_G431XB/configs/mcuconf.h
@@ -0,0 +1,307 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * STM32G4xx drivers configuration.
+ * The following settings override the default settings present in
+ * the various device driver implementation headers.
+ * Note that the settings for each driver only have effect if the whole
+ * driver is enabled in halconf.h.
+ *
+ * IRQ priorities:
+ * 15...0       Lowest...Highest.
+ *
+ * DMA priorities:
+ * 0...3        Lowest...Highest.
+ */
+
+#ifndef MCUCONF_H
+#define MCUCONF_H
+
+#define STM32G4xx_MCUCONF
+#define STM32G431_MCUCONF
+#define STM32G441_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+#define STM32_NO_INIT                       FALSE
+#define STM32_VOS                           STM32_VOS_RANGE1
+#define STM32_PWR_CR2                       (PWR_CR2_PLS_LEV0)
+#define STM32_PWR_CR3                       (PWR_CR3_EIWF)
+#define STM32_PWR_CR4                       (0U)
+#define STM32_HSI16_ENABLED                 TRUE
+#define STM32_HSI48_ENABLED                 TRUE
+#define STM32_HSE_ENABLED                   FALSE
+#define STM32_LSI_ENABLED                   TRUE
+#define STM32_LSE_ENABLED                   FALSE
+#define STM32_SW                            STM32_SW_PLLRCLK
+#define STM32_PLLSRC                        STM32_PLLSRC_HSI16
+#define STM32_PLLM_VALUE                    4
+#define STM32_PLLN_VALUE                    80
+#define STM32_PLLPDIV_VALUE                 0
+#define STM32_PLLP_VALUE                    7
+#define STM32_PLLQ_VALUE                    8
+#define STM32_PLLR_VALUE                    2
+#define STM32_HPRE                          STM32_HPRE_DIV1
+#define STM32_PPRE1                         STM32_PPRE1_DIV1
+#define STM32_PPRE2                         STM32_PPRE2_DIV1
+#define STM32_MCOSEL                        STM32_MCOSEL_NOCLOCK
+#define STM32_MCOPRE                        STM32_MCOPRE_DIV1
+#define STM32_LSCOSEL                       STM32_LSCOSEL_NOCLOCK
+
+/*
+ * Peripherals clock sources.
+ */
+#define STM32_USART1SEL                     STM32_USART1SEL_SYSCLK
+#define STM32_USART2SEL                     STM32_USART2SEL_SYSCLK
+#define STM32_USART3SEL                     STM32_USART3SEL_SYSCLK
+#define STM32_UART4SEL                      STM32_UART4SEL_SYSCLK
+#define STM32_LPUART1SEL                    STM32_LPUART1SEL_PCLK1
+#define STM32_I2C1SEL                       STM32_I2C1SEL_PCLK1
+#define STM32_I2C2SEL                       STM32_I2C2SEL_PCLK1
+#define STM32_I2C3SEL                       STM32_I2C3SEL_PCLK1
+#define STM32_LPTIM1SEL                     STM32_LPTIM1SEL_PCLK1
+#define STM32_SAI1SEL                       STM32_SAI1SEL_SYSCLK
+#define STM32_I2S23SEL                      STM32_I2S23SEL_SYSCLK
+#define STM32_FDCANSEL                      STM32_FDCANSEL_PCLK1
+#define STM32_CLK48SEL                      STM32_CLK48SEL_HSI48
+#define STM32_ADC12SEL                      STM32_ADC12SEL_PLLPCLK
+#define STM32_RTCSEL                        STM32_RTCSEL_NOCLOCK
+
+/*
+ * IRQ system settings.
+ */
+#define STM32_IRQ_EXTI0_PRIORITY            6
+#define STM32_IRQ_EXTI1_PRIORITY            6
+#define STM32_IRQ_EXTI2_PRIORITY            6
+#define STM32_IRQ_EXTI3_PRIORITY            6
+#define STM32_IRQ_EXTI4_PRIORITY            6
+#define STM32_IRQ_EXTI5_9_PRIORITY          6
+#define STM32_IRQ_EXTI10_15_PRIORITY        6
+#define STM32_IRQ_EXTI164041_PRIORITY       6
+#define STM32_IRQ_EXTI17_PRIORITY           6
+#define STM32_IRQ_EXTI18_PRIORITY           6
+#define STM32_IRQ_EXTI19_PRIORITY           6
+#define STM32_IRQ_EXTI20_PRIORITY           6
+#define STM32_IRQ_EXTI212229_PRIORITY       6
+#define STM32_IRQ_EXTI30_32_PRIORITY        6
+#define STM32_IRQ_EXTI33_PRIORITY           6
+
+#define STM32_IRQ_FDCAN1_PRIORITY           10
+
+#define STM32_IRQ_TIM1_BRK_TIM15_PRIORITY   7
+#define STM32_IRQ_TIM1_UP_TIM16_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM17_PRIORITY 7
+#define STM32_IRQ_TIM1_CC_PRIORITY          7
+#define STM32_IRQ_TIM2_PRIORITY             7
+#define STM32_IRQ_TIM3_PRIORITY             7
+#define STM32_IRQ_TIM4_PRIORITY             7
+#define STM32_IRQ_TIM6_PRIORITY             7
+#define STM32_IRQ_TIM7_PRIORITY             7
+#define STM32_IRQ_TIM8_UP_PRIORITY          7
+#define STM32_IRQ_TIM8_CC_PRIORITY          7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART3_PRIORITY           12
+#define STM32_IRQ_UART4_PRIORITY            12
+#define STM32_IRQ_LPUART1_PRIORITY          12
+
+/*
+ * ADC driver system settings.
+ */
+#define STM32_ADC_DUAL_MODE                 FALSE
+#define STM32_ADC_COMPACT_SAMPLES           FALSE
+#define STM32_ADC_USE_ADC1                  FALSE
+#define STM32_ADC_USE_ADC2                  FALSE
+#define STM32_ADC_ADC1_DMA_STREAM           STM32_DMA_STREAM_ID_ANY
+#define STM32_ADC_ADC2_DMA_STREAM           STM32_DMA_STREAM_ID_ANY
+#define STM32_ADC_ADC1_DMA_PRIORITY         2
+#define STM32_ADC_ADC2_DMA_PRIORITY         2
+#define STM32_ADC_ADC12_IRQ_PRIORITY        5
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY     5
+#define STM32_ADC_ADC2_DMA_IRQ_PRIORITY     5
+#define STM32_ADC_ADC12_CLOCK_MODE          ADC_CCR_CKMODE_AHB_DIV4
+#define STM32_ADC_ADC12_PRESC               ADC_CCR_PRESC_DIV2
+
+/*
+ * CAN driver system settings.
+ */
+#define STM32_CAN_USE_FDCAN1                FALSE
+
+/*
+ * DAC driver system settings.
+ */
+#define STM32_DAC_DUAL_MODE                 FALSE
+#define STM32_DAC_USE_DAC1_CH1              FALSE
+#define STM32_DAC_USE_DAC1_CH2              FALSE
+#define STM32_DAC_USE_DAC3_CH1              FALSE
+#define STM32_DAC_USE_DAC3_CH2              FALSE
+#define STM32_DAC_DAC1_CH1_IRQ_PRIORITY     10
+#define STM32_DAC_DAC1_CH2_IRQ_PRIORITY     10
+#define STM32_DAC_DAC3_CH1_IRQ_PRIORITY     10
+#define STM32_DAC_DAC3_CH2_IRQ_PRIORITY     10
+#define STM32_DAC_DAC1_CH1_DMA_PRIORITY     2
+#define STM32_DAC_DAC1_CH2_DMA_PRIORITY     2
+#define STM32_DAC_DAC3_CH1_DMA_PRIORITY     2
+#define STM32_DAC_DAC3_CH2_DMA_PRIORITY     2
+#define STM32_DAC_DAC1_CH1_DMA_STREAM       STM32_DMA_STREAM_ID_ANY
+#define STM32_DAC_DAC1_CH2_DMA_STREAM       STM32_DMA_STREAM_ID_ANY
+#define STM32_DAC_DAC3_CH1_DMA_STREAM       STM32_DMA_STREAM_ID_ANY
+#define STM32_DAC_DAC3_CH2_DMA_STREAM       STM32_DMA_STREAM_ID_ANY
+
+/*
+ * GPT driver system settings.
+ */
+#define STM32_GPT_USE_TIM1                  FALSE
+#define STM32_GPT_USE_TIM2                  FALSE
+#define STM32_GPT_USE_TIM3                  FALSE
+#define STM32_GPT_USE_TIM4                  FALSE
+#define STM32_GPT_USE_TIM6                  FALSE
+#define STM32_GPT_USE_TIM7                  FALSE
+#define STM32_GPT_USE_TIM8                  FALSE
+#define STM32_GPT_USE_TIM15                 FALSE
+#define STM32_GPT_USE_TIM16                 FALSE
+#define STM32_GPT_USE_TIM17                 FALSE
+
+/*
+ * I2C driver system settings.
+ */
+#define STM32_I2C_USE_I2C1                  FALSE
+#define STM32_I2C_USE_I2C2                  FALSE
+#define STM32_I2C_USE_I2C3                  FALSE
+#define STM32_I2C_BUSY_TIMEOUT              50
+#define STM32_I2C_I2C1_RX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_I2C_I2C1_TX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_I2C_I2C2_RX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_I2C_I2C2_TX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_I2C_I2C3_RX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_I2C_I2C3_TX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_I2C_I2C1_IRQ_PRIORITY         5
+#define STM32_I2C_I2C2_IRQ_PRIORITY         5
+#define STM32_I2C_I2C3_IRQ_PRIORITY         5
+#define STM32_I2C_I2C1_DMA_PRIORITY         3
+#define STM32_I2C_I2C2_DMA_PRIORITY         3
+#define STM32_I2C_I2C3_DMA_PRIORITY         3
+#define STM32_I2C_DMA_ERROR_HOOK(i2cp)      osalSysHalt("DMA failure")
+
+/*
+ * ICU driver system settings.
+ */
+#define STM32_ICU_USE_TIM1                  FALSE
+#define STM32_ICU_USE_TIM2                  FALSE
+#define STM32_ICU_USE_TIM3                  FALSE
+#define STM32_ICU_USE_TIM4                  FALSE
+#define STM32_ICU_USE_TIM8                  FALSE
+#define STM32_ICU_USE_TIM15                 FALSE
+
+/*
+ * PWM driver system settings.
+ */
+#define STM32_PWM_USE_ADVANCED              FALSE
+#define STM32_PWM_USE_TIM1                  FALSE
+#define STM32_PWM_USE_TIM2                  FALSE
+#define STM32_PWM_USE_TIM3                  FALSE
+#define STM32_PWM_USE_TIM4                  FALSE
+#define STM32_PWM_USE_TIM8                  FALSE
+#define STM32_PWM_USE_TIM15                 FALSE
+#define STM32_PWM_USE_TIM16                 FALSE
+#define STM32_PWM_USE_TIM17                 FALSE
+
+/*
+ * RTC driver system settings.
+ */
+
+/*
+ * SDC driver system settings.
+ */
+
+/*
+ * SERIAL driver system settings.
+ */
+#define STM32_SERIAL_USE_USART1             FALSE
+#define STM32_SERIAL_USE_USART2             FALSE
+#define STM32_SERIAL_USE_USART3             FALSE
+#define STM32_SERIAL_USE_UART4              FALSE
+#define STM32_SERIAL_USE_LPUART1            FALSE
+
+/*
+ * SPI driver system settings.
+ */
+#define STM32_SPI_USE_SPI1                  FALSE
+#define STM32_SPI_USE_SPI2                  FALSE
+#define STM32_SPI_USE_SPI3                  FALSE
+#define STM32_SPI_SPI1_RX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_SPI_SPI1_TX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_SPI_SPI2_RX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_SPI_SPI2_TX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_SPI_SPI3_RX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_SPI_SPI3_TX_DMA_STREAM        STM32_DMA_STREAM_ID_ANY
+#define STM32_SPI_SPI1_DMA_PRIORITY         1
+#define STM32_SPI_SPI2_DMA_PRIORITY         1
+#define STM32_SPI_SPI3_DMA_PRIORITY         1
+#define STM32_SPI_SPI1_IRQ_PRIORITY         10
+#define STM32_SPI_SPI2_IRQ_PRIORITY         10
+#define STM32_SPI_SPI3_IRQ_PRIORITY         10
+#define STM32_SPI_DMA_ERROR_HOOK(spip)      osalSysHalt("DMA failure")
+
+/*
+ * ST driver system settings.
+ */
+#define STM32_ST_IRQ_PRIORITY               8
+#define STM32_ST_USE_TIMER                  2
+
+/*
+ * TRNG driver system settings.
+ */
+#define STM32_TRNG_USE_RNG1                 FALSE
+
+/*
+ * UART driver system settings.
+ */
+#define STM32_UART_USE_USART1               FALSE
+#define STM32_UART_USE_USART2               FALSE
+#define STM32_UART_USE_USART3               FALSE
+#define STM32_UART_USE_UART4                FALSE
+#define STM32_UART_USART1_RX_DMA_STREAM     STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_USART1_TX_DMA_STREAM     STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_USART2_RX_DMA_STREAM     STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_USART2_TX_DMA_STREAM     STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_USART3_RX_DMA_STREAM     STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_USART3_TX_DMA_STREAM     STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_UART4_RX_DMA_STREAM      STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_UART4_TX_DMA_STREAM      STM32_DMA_STREAM_ID_ANY
+#define STM32_UART_USART1_DMA_PRIORITY      0
+#define STM32_UART_USART2_DMA_PRIORITY      0
+#define STM32_UART_USART3_DMA_PRIORITY      0
+#define STM32_UART_UART4_DMA_PRIORITY       0
+#define STM32_UART_DMA_ERROR_HOOK(uartp)    osalSysHalt("DMA failure")
+
+/*
+ * USB driver system settings.
+ */
+#define STM32_USB_USE_USB1                  TRUE
+#define STM32_USB_LOW_POWER_ON_SUSPEND      FALSE
+#define STM32_USB_USB1_HP_IRQ_PRIORITY      5
+#define STM32_USB_USB1_LP_IRQ_PRIORITY      6
+
+/*
+ * WDG driver system settings.
+ */
+#define STM32_WDG_USE_IWDG                  FALSE
+
+#endif /* MCUCONF_H */