Add Bonsai C4 as a platform board file (#18901)

* Set up Bonsai C4 as a platform board file

* corrections and improvements based on testing and feedback

* Added VBUS sensing as default capability for improved split support using Bonsai C4

* Update clock divisor for SPI flash

Co-authored-by: Nick Brassel <nick@tzarc.org>

Co-authored-by: Nick Brassel <nick@tzarc.org>

1 files changed, 249 insertions, 0 deletions

diff --git a/platforms/chibios/boards/BONSAI_C4/configs/mcuconf.h b/platforms/chibios/boards/BONSAI_C4/configs/mcuconf.h
new file mode 100644
index 0000000000..2f9e627c7e
--- /dev/null
+++ b/platforms/chibios/boards/BONSAI_C4/configs/mcuconf.h
@@ -0,0 +1,249 @@
+/*
+    ChibiOS - Copyright (C) 2006..2020 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.
+*/
+
+#ifndef MCUCONF_H
+#define MCUCONF_H
+
+/*
+ * STM32F4xx 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.
+ */
+
+#define STM32F4xx_MCUCONF
+#define STM32F411_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+#define STM32_NO_INIT                       FALSE
+#define STM32_PVD_ENABLE                    FALSE
+#define STM32_PLS                           STM32_PLS_LEV0
+#define STM32_BKPRAM_ENABLE                 FALSE
+#define STM32_HSI_ENABLED                   TRUE
+#define STM32_LSI_ENABLED                   TRUE
+#define STM32_HSE_ENABLED                   TRUE
+#define STM32_LSE_ENABLED                   FALSE
+#define STM32_CLOCK48_REQUIRED              TRUE
+#define STM32_SW                            STM32_SW_PLL
+#define STM32_PLLSRC                        STM32_PLLSRC_HSE
+#define STM32_PLLM_VALUE                    4
+#define STM32_PLLN_VALUE                    96
+#define STM32_PLLP_VALUE                    2
+#define STM32_PLLQ_VALUE                    4
+#define STM32_HPRE                          STM32_HPRE_DIV1
+#define STM32_PPRE1                         STM32_PPRE1_DIV2
+#define STM32_PPRE2                         STM32_PPRE2_DIV1
+#define STM32_RTCSEL                        STM32_RTCSEL_LSI
+#define STM32_RTCPRE_VALUE                  8
+#define STM32_MCO1SEL                       STM32_MCO1SEL_HSI
+#define STM32_MCO1PRE                       STM32_MCO1PRE_DIV1
+#define STM32_MCO2SEL                       STM32_MCO2SEL_SYSCLK
+#define STM32_MCO2PRE                       STM32_MCO2PRE_DIV5
+#define STM32_I2SSRC                        STM32_I2SSRC_CKIN
+#define STM32_PLLI2SN_VALUE                 192
+#define STM32_PLLI2SR_VALUE                 5
+
+/*
+ * 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_EXTI16_PRIORITY           6
+#define STM32_IRQ_EXTI17_PRIORITY           15
+#define STM32_IRQ_EXTI18_PRIORITY           6
+#define STM32_IRQ_EXTI19_PRIORITY           6
+#define STM32_IRQ_EXTI20_PRIORITY           6
+#define STM32_IRQ_EXTI21_PRIORITY           15
+#define STM32_IRQ_EXTI22_PRIORITY           15
+
+#define STM32_IRQ_TIM1_BRK_TIM9_PRIORITY    7
+#define STM32_IRQ_TIM1_UP_TIM10_PRIORITY    7
+#define STM32_IRQ_TIM1_TRGCO_TIM11_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_TIM5_PRIORITY             7
+
+#define STM32_IRQ_USART1_PRIORITY           12
+#define STM32_IRQ_USART2_PRIORITY           12
+#define STM32_IRQ_USART6_PRIORITY           12
+
+/*
+ * ADC driver system settings.
+ */
+#define STM32_ADC_ADCPRE                    ADC_CCR_ADCPRE_DIV4
+#define STM32_ADC_USE_ADC1                  FALSE
+#define STM32_ADC_ADC1_DMA_STREAM           STM32_DMA_STREAM_ID(2, 4)
+#define STM32_ADC_ADC1_DMA_PRIORITY         2
+#define STM32_ADC_IRQ_PRIORITY              6
+#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY     6
+
+/*
+ * 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_TIM5                  FALSE
+#define STM32_GPT_USE_TIM9                  FALSE
+#define STM32_GPT_USE_TIM10                 FALSE
+#define STM32_GPT_USE_TIM11                 FALSE
+
+/*
+ * I2C driver system settings.
+ */
+#define STM32_I2C_USE_I2C1                  TRUE
+#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(1, 0)
+#define STM32_I2C_I2C1_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 6)
+#define STM32_I2C_I2C2_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 2)
+#define STM32_I2C_I2C2_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2C_I2C3_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 2)
+#define STM32_I2C_I2C3_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 4)
+#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")
+
+/*
+ * I2S driver system settings.
+ */
+#define STM32_I2S_USE_SPI2                  FALSE
+#define STM32_I2S_USE_SPI3                  FALSE
+#define STM32_I2S_SPI2_IRQ_PRIORITY         10
+#define STM32_I2S_SPI3_IRQ_PRIORITY         10
+#define STM32_I2S_SPI2_DMA_PRIORITY         1
+#define STM32_I2S_SPI3_DMA_PRIORITY         1
+#define STM32_I2S_SPI2_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 3)
+#define STM32_I2S_SPI2_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 4)
+#define STM32_I2S_SPI3_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 0)
+#define STM32_I2S_SPI3_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 7)
+#define STM32_I2S_DMA_ERROR_HOOK(i2sp)      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_TIM5                  FALSE
+#define STM32_ICU_USE_TIM9                  FALSE
+#define STM32_ICU_USE_TIM10                 FALSE
+#define STM32_ICU_USE_TIM11                 FALSE
+
+/*
+ * PWM driver system settings.
+ */
+#define STM32_PWM_USE_TIM1                  TRUE
+#define STM32_PWM_USE_TIM2                  FALSE
+#define STM32_PWM_USE_TIM3                  TRUE
+#define STM32_PWM_USE_TIM4                  FALSE
+#define STM32_PWM_USE_TIM5                  FALSE
+#define STM32_PWM_USE_TIM9                  FALSE
+#define STM32_PWM_USE_TIM10                 FALSE
+#define STM32_PWM_USE_TIM11                 FALSE
+
+/*
+ * RTC driver system settings.
+ */
+#define STM32_RTC_PRESA_VALUE               32
+#define STM32_RTC_PRESS_VALUE               1024
+#define STM32_RTC_CR_INIT                   0
+#define STM32_RTC_TAMPCR_INIT               0
+
+/*
+ * SERIAL driver system settings.
+ */
+#define STM32_SERIAL_USE_USART1             TRUE
+#define STM32_SERIAL_USE_USART2             FALSE
+#define STM32_SERIAL_USE_USART6             FALSE
+
+/*
+ * SPI driver system settings.
+ */
+#define STM32_SPI_USE_SPI1                  TRUE
+#define STM32_SPI_USE_SPI2                  FALSE
+#define STM32_SPI_USE_SPI3                  FALSE
+#define STM32_SPI_SPI1_RX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 0)
+#define STM32_SPI_SPI1_TX_DMA_STREAM        STM32_DMA_STREAM_ID(2, 3)
+#define STM32_SPI_SPI2_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 3)
+#define STM32_SPI_SPI2_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 4)
+#define STM32_SPI_SPI3_RX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 0)
+#define STM32_SPI_SPI3_TX_DMA_STREAM        STM32_DMA_STREAM_ID(1, 7)
+#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
+
+/*
+ * UART driver system settings.
+ */
+#define STM32_UART_USE_USART1               FALSE
+#define STM32_UART_USE_USART2               FALSE
+#define STM32_UART_USE_USART6               FALSE
+#define STM32_UART_USART1_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 5)
+#define STM32_UART_USART1_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
+#define STM32_UART_USART2_RX_DMA_STREAM     STM32_DMA_STREAM_ID(1, 5)
+#define STM32_UART_USART2_TX_DMA_STREAM     STM32_DMA_STREAM_ID(1, 6)
+#define STM32_UART_USART6_RX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 2)
+#define STM32_UART_USART6_TX_DMA_STREAM     STM32_DMA_STREAM_ID(2, 7)
+#define STM32_UART_USART1_DMA_PRIORITY      0
+#define STM32_UART_USART2_DMA_PRIORITY      0
+#define STM32_UART_USART6_DMA_PRIORITY      0
+#define STM32_UART_DMA_ERROR_HOOK(uartp)    osalSysHalt("DMA failure")
+
+/*
+ * USB driver system settings.
+ */
+#define STM32_USB_USE_OTG1                  TRUE
+#define STM32_USB_OTG1_IRQ_PRIORITY         14
+#define STM32_USB_OTG1_RX_FIFO_SIZE         512
+#define STM32_USB_HOST_WAKEUP_DURATION      2
+
+/*
+ * WDG driver system settings.
+ */
+#define STM32_WDG_USE_IWDG                  FALSE
+
+#endif /* MCUCONF_H */
\ No newline at end of file