summaryrefslogtreecommitdiffstats
path: root/platforms/chibios
diff options
context:
space:
mode:
Diffstat (limited to 'platforms/chibios')
-rw-r--r--platforms/chibios/_pin_defs.h5
-rw-r--r--platforms/chibios/boards/GENERIC_PROMICRO_RP2040/board/board.mk9
-rw-r--r--platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/board.h12
-rw-r--r--platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/chconf.h13
-rw-r--r--platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/config.h62
-rw-r--r--platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h98
-rw-r--r--platforms/chibios/boards/GENERIC_RP_RP2040/board/board.mk9
-rw-r--r--platforms/chibios/boards/GENERIC_RP_RP2040/configs/board.h12
-rw-r--r--platforms/chibios/boards/GENERIC_RP_RP2040/configs/chconf.h13
-rw-r--r--platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h98
-rw-r--r--platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld117
-rw-r--r--platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld46
-rw-r--r--platforms/chibios/bootloaders/rp2040.c57
-rw-r--r--platforms/chibios/bootloaders/stm32_dfu.c4
-rw-r--r--platforms/chibios/chibios_config.h21
-rw-r--r--platforms/chibios/drivers/eeprom/eeprom_stm32.c (renamed from platforms/chibios/eeprom_stm32.c)0
-rw-r--r--platforms/chibios/drivers/eeprom/eeprom_stm32.h (renamed from platforms/chibios/eeprom_stm32.h)0
-rw-r--r--platforms/chibios/drivers/eeprom/eeprom_stm32_defs.h (renamed from platforms/chibios/eeprom_stm32_defs.h)0
-rw-r--r--platforms/chibios/drivers/eeprom/eeprom_teensy.c (renamed from platforms/chibios/eeprom_teensy.c)0
-rwxr-xr-xplatforms/chibios/drivers/eeprom/eeprom_teensy.h (renamed from platforms/chibios/eeprom_teensy.h)0
-rw-r--r--platforms/chibios/drivers/flash/flash_stm32.c (renamed from platforms/chibios/flash_stm32.c)0
-rw-r--r--platforms/chibios/drivers/flash/flash_stm32.h (renamed from platforms/chibios/flash_stm32.h)0
-rw-r--r--platforms/chibios/drivers/serial.c15
-rw-r--r--platforms/chibios/drivers/serial_protocol.c164
-rw-r--r--platforms/chibios/drivers/serial_protocol.h49
-rw-r--r--platforms/chibios/drivers/serial_usart.c322
-rw-r--r--platforms/chibios/drivers/serial_usart.h118
-rw-r--r--platforms/chibios/drivers/spi_master.c31
-rw-r--r--platforms/chibios/drivers/vendor/RP/RP2040/serial_vendor.c457
-rw-r--r--platforms/chibios/drivers/vendor/RP/RP2040/ws2812_vendor.c189
-rw-r--r--platforms/chibios/drivers/wear_leveling/wear_leveling_efl.c140
-rw-r--r--platforms/chibios/drivers/wear_leveling/wear_leveling_efl_config.h50
-rw-r--r--platforms/chibios/drivers/wear_leveling/wear_leveling_legacy.c59
-rw-r--r--platforms/chibios/drivers/wear_leveling/wear_leveling_legacy_config.h67
-rw-r--r--platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash.c221
-rw-r--r--platforms/chibios/drivers/wear_leveling/wear_leveling_rp2040_flash_config.h32
-rw-r--r--platforms/chibios/flash.mk10
-rw-r--r--platforms/chibios/platform.mk24
-rw-r--r--platforms/chibios/vendors/RP/RP2040.mk287
-rw-r--r--platforms/chibios/vendors/RP/_pin_defs.h37
-rw-r--r--platforms/chibios/vendors/RP/pico_sdk_shims.c13
-rw-r--r--platforms/chibios/vendors/RP/stage2_bootloaders.c178
42 files changed, 2768 insertions, 271 deletions
diff --git a/platforms/chibios/_pin_defs.h b/platforms/chibios/_pin_defs.h
index 0d96e2fc3b..414c9e3d11 100644
--- a/platforms/chibios/_pin_defs.h
+++ b/platforms/chibios/_pin_defs.h
@@ -21,6 +21,11 @@
# include <hal.h>
#endif
+/* Include the vendor specific pin defs */
+#if __has_include_next("_pin_defs.h")
+# include_next "_pin_defs.h"
+#endif
+
#define A0 PAL_LINE(GPIOA, 0)
#define A1 PAL_LINE(GPIOA, 1)
#define A2 PAL_LINE(GPIOA, 2)
diff --git a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/board/board.mk b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/board/board.mk
new file mode 100644
index 0000000000..911cc5a058
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/board/board.mk
@@ -0,0 +1,9 @@
+# List of all the board related files.
+BOARDSRC = $(CHIBIOS)/os/hal/boards/RP_PICO_RP2040/board.c
+
+# Required include directories
+BOARDINC = $(CHIBIOS)/os/hal/boards/RP_PICO_RP2040
+
+# Shared variables
+ALLCSRC += $(BOARDSRC)
+ALLINC += $(BOARDINC)
diff --git a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/board.h b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/board.h
new file mode 100644
index 0000000000..b4363595d0
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/board.h
@@ -0,0 +1,12 @@
+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next "board.h"
+
+#undef BOARD_RP_PICO_RP2040
+#define BOARD_GENERIC_PROMICRO_RP2040
+
+#undef BOARD_NAME
+#define BOARD_NAME "Pro Micro RP2040"
diff --git a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/chconf.h b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/chconf.h
new file mode 100644
index 0000000000..d53f57edd9
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/chconf.h
@@ -0,0 +1,13 @@
+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define CH_CFG_SMP_MODE TRUE
+#define CH_CFG_ST_RESOLUTION 32
+#define CH_CFG_ST_FREQUENCY 1000000
+#define CH_CFG_INTERVALS_SIZE 32
+#define CH_CFG_TIME_TYPES_SIZE 32
+#define CH_CFG_ST_TIMEDELTA 20
+
+#include_next <chconf.h>
diff --git a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/config.h b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/config.h
new file mode 100644
index 0000000000..7fe9b654e1
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/config.h
@@ -0,0 +1,62 @@
+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+/**======================
+ ** I2C Driver
+ *========================**/
+
+#if !defined(I2C_DRIVER)
+# define I2C_DRIVER I2CD2
+#endif
+
+#if !defined(I2C1_SDA_PIN)
+# define I2C1_SDA_PIN GP2
+#endif
+
+#if !defined(I2C1_SCL_PIN)
+# define I2C1_SCL_PIN GP3
+#endif
+
+/**======================
+ ** SPI Driver
+ *========================**/
+
+#if !defined(SPI_DRIVER)
+# define SPI_DRIVER SPID0
+#endif
+
+#if !defined(SPI_SCK_PIN)
+# define SPI_SCK_PIN GP18
+#endif
+
+#if !defined(SPI_MISO_PIN)
+# define SPI_MISO_PIN GP20
+#endif
+
+#if !defined(SPI_MOSI_PIN)
+# define SPI_MOSI_PIN GP19
+#endif
+
+/**======================
+ ** SERIAL Driver
+ *========================**/
+
+#if !defined(SERIAL_USART_DRIVER)
+# define SERIAL_USART_DRIVER SIOD0
+#endif
+
+#if !defined(SERIAL_USART_TX_PIN) && !defined(SOFT_SERIAL_PIN)
+# define SERIAL_USART_TX_PIN GP0
+#endif
+
+#if !defined(SERIAL_USART_RX_PIN)
+# define SERIAL_USART_RX_PIN GP1
+#endif
+
+/**======================
+ ** Double-tap
+ *========================**/
+
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
diff --git a/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h
new file mode 100644
index 0000000000..8348e5312f
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h
@@ -0,0 +1,98 @@
+/*
+ ChibiOS - Copyright (C) 2006..2021 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
+
+/*
+ * RP2040_MCUCONF drivers configuration.
+ *
+ * IRQ priorities:
+ * 3...0 Lowest...Highest.
+ *
+ * DMA priorities:
+ * 0...1 Lowest...Highest.
+ */
+
+#define RP2040_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+#define RP_NO_INIT FALSE
+#define RP_CORE1_START FALSE
+#define RP_CORE1_VECTORS_TABLE _vectors
+#define RP_CORE1_ENTRY_POINT _crt0_c1_entry
+#define RP_CORE1_STACK_END __c1_main_stack_end__
+
+/*
+ * IRQ system settings.
+ */
+#define RP_IRQ_SYSTICK_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM0_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM1_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM2_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM3_PRIORITY 2
+#define RP_IRQ_UART0_PRIORITY 3
+#define RP_IRQ_UART1_PRIORITY 3
+#define RP_IRQ_SPI0_PRIORITY 2
+#define RP_IRQ_SPI1_PRIORITY 2
+#define RP_IRQ_USB0_PRIORITY 3
+#define RP_IRQ_I2C0_PRIORITY 2
+#define RP_IRQ_I2C1_PRIORITY 2
+
+/*
+ * ADC driver system settings.
+ */
+#define RP_ADC_USE_ADC1 FALSE
+
+/*
+ * SIO driver system settings.
+ */
+#define RP_SIO_USE_UART0 TRUE
+#define RP_SIO_USE_UART1 FALSE
+
+/*
+ * SPI driver system settings.
+ */
+#define RP_SPI_USE_SPI0 TRUE
+#define RP_SPI_USE_SPI1 FALSE
+#define RP_SPI_SPI0_RX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI0_TX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI1_RX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI1_TX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI0_DMA_PRIORITY 1
+#define RP_SPI_SPI1_DMA_PRIORITY 1
+#define RP_SPI_DMA_ERROR_HOOK(spip)
+
+/*
+ * I2C driver system settings.
+ */
+#define RP_I2C_USE_I2C0 FALSE
+#define RP_I2C_USE_I2C1 TRUE
+#define RP_I2C_BUSY_TIMEOUT 50
+#define RP_I2C_ADDRESS_MODE_10BIT FALSE
+
+/*
+ * USB driver system settings.
+ */
+#define RP_USB_USE_USBD0 TRUE
+#define RP_USB_FORCE_VBUS_DETECT TRUE
+#define RP_USE_EXTERNAL_VBUS_DETECT FALSE
+#define RP_USB_USE_SOF_INTR TRUE
+#define RP_USB_USE_ERROR_DATA_SEQ_INTR FALSE
+
+#endif /* MCUCONF_H */
diff --git a/platforms/chibios/boards/GENERIC_RP_RP2040/board/board.mk b/platforms/chibios/boards/GENERIC_RP_RP2040/board/board.mk
new file mode 100644
index 0000000000..911cc5a058
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_RP_RP2040/board/board.mk
@@ -0,0 +1,9 @@
+# List of all the board related files.
+BOARDSRC = $(CHIBIOS)/os/hal/boards/RP_PICO_RP2040/board.c
+
+# Required include directories
+BOARDINC = $(CHIBIOS)/os/hal/boards/RP_PICO_RP2040
+
+# Shared variables
+ALLCSRC += $(BOARDSRC)
+ALLINC += $(BOARDINC)
diff --git a/platforms/chibios/boards/GENERIC_RP_RP2040/configs/board.h b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/board.h
new file mode 100644
index 0000000000..052050c944
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/board.h
@@ -0,0 +1,12 @@
+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next "board.h"
+
+#undef BOARD_RP_PICO_RP2040
+#define BOARD_GENERIC_RP2040
+
+#undef BOARD_NAME
+#define BOARD_NAME "Generic Raspberry Pi RP2040"
diff --git a/platforms/chibios/boards/GENERIC_RP_RP2040/configs/chconf.h b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/chconf.h
new file mode 100644
index 0000000000..d53f57edd9
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/chconf.h
@@ -0,0 +1,13 @@
+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define CH_CFG_SMP_MODE TRUE
+#define CH_CFG_ST_RESOLUTION 32
+#define CH_CFG_ST_FREQUENCY 1000000
+#define CH_CFG_INTERVALS_SIZE 32
+#define CH_CFG_TIME_TYPES_SIZE 32
+#define CH_CFG_ST_TIMEDELTA 20
+
+#include_next <chconf.h>
diff --git a/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h
new file mode 100644
index 0000000000..9d8dc61aac
--- /dev/null
+++ b/platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h
@@ -0,0 +1,98 @@
+/*
+ ChibiOS - Copyright (C) 2006..2021 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
+
+/*
+ * RP2040_MCUCONF drivers configuration.
+ *
+ * IRQ priorities:
+ * 3...0 Lowest...Highest.
+ *
+ * DMA priorities:
+ * 0...1 Lowest...Highest.
+ */
+
+#define RP2040_MCUCONF
+
+/*
+ * HAL driver system settings.
+ */
+#define RP_NO_INIT FALSE
+#define RP_CORE1_START FALSE
+#define RP_CORE1_VECTORS_TABLE _vectors
+#define RP_CORE1_ENTRY_POINT _crt0_c1_entry
+#define RP_CORE1_STACK_END __c1_main_stack_end__
+
+/*
+ * IRQ system settings.
+ */
+#define RP_IRQ_SYSTICK_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM0_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM1_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM2_PRIORITY 2
+#define RP_IRQ_TIMER_ALARM3_PRIORITY 2
+#define RP_IRQ_UART0_PRIORITY 3
+#define RP_IRQ_UART1_PRIORITY 3
+#define RP_IRQ_SPI0_PRIORITY 2
+#define RP_IRQ_SPI1_PRIORITY 2
+#define RP_IRQ_USB0_PRIORITY 3
+#define RP_IRQ_I2C0_PRIORITY 2
+#define RP_IRQ_I2C1_PRIORITY 2
+
+/*
+ * ADC driver system settings.
+ */
+#define RP_ADC_USE_ADC1 FALSE
+
+/*
+ * SIO driver system settings.
+ */
+#define RP_SIO_USE_UART0 FALSE
+#define RP_SIO_USE_UART1 FALSE
+
+/*
+ * SPI driver system settings.
+ */
+#define RP_SPI_USE_SPI0 FALSE
+#define RP_SPI_USE_SPI1 FALSE
+#define RP_SPI_SPI0_RX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI0_TX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI1_RX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI1_TX_DMA_CHANNEL RP_DMA_CHANNEL_ID_ANY
+#define RP_SPI_SPI0_DMA_PRIORITY 1
+#define RP_SPI_SPI1_DMA_PRIORITY 1
+#define RP_SPI_DMA_ERROR_HOOK(spip)
+
+/*
+ * I2C driver system settings.
+ */
+#define RP_I2C_USE_I2C0 FALSE
+#define RP_I2C_USE_I2C1 FALSE
+#define RP_I2C_BUSY_TIMEOUT 50
+#define RP_I2C_ADDRESS_MODE_10BIT FALSE
+
+/*
+ * USB driver system settings.
+ */
+#define RP_USB_USE_USBD0 TRUE
+#define RP_USB_FORCE_VBUS_DETECT TRUE
+#define RP_USE_EXTERNAL_VBUS_DETECT FALSE
+#define RP_USB_USE_SOF_INTR TRUE
+#define RP_USB_USE_ERROR_DATA_SEQ_INTR FALSE
+
+#endif /* MCUCONF_H */
diff --git a/platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld b/platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld
new file mode 100644
index 0000000000..66ed4ce086
--- /dev/null
+++ b/platforms/chibios/boards/common/ld/RP2040_FLASH_TIMECRIT.ld
@@ -0,0 +1,117 @@
+/*
+ ChibiOS - Copyright (C) 2006..2021 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.
+*/
+
+/*
+ * RP2040 memory setup.
+ */
+MEMORY
+{
+ flash0 (rx) : org = 0x00000000, len = 16k /* ROM */
+ flash1 (rx) : org = 0x10000000, len = DEFINED(FLASH_LEN) ? FLASH_LEN : 2048k /* XIP */
+ flash2 (rx) : org = 0x00000000, len = 0
+ flash3 (rx) : org = 0x00000000, len = 0
+ flash4 (rx) : org = 0x00000000, len = 0
+ flash5 (rx) : org = 0x00000000, len = 0
+ flash6 (rx) : org = 0x00000000, len = 0
+ flash7 (rx) : org = 0x00000000, len = 0
+ ram0 (wx) : org = 0x20000000, len = 256k /* SRAM0 striped */
+ ram1 (wx) : org = 0x00000000, len = 256k /* SRAM0 non striped */
+ ram2 (wx) : org = 0x00000000, len = 0
+ ram3 (wx) : org = 0x00000000, len = 0
+ ram4 (wx) : org = 0x20040000, len = 4k /* SRAM4 */
+ ram5 (wx) : org = 0x20041000, len = 4k /* SRAM5 */
+ ram6 (wx) : org = 0x00000000, len = 0
+ ram7 (wx) : org = 0x20041f00, len = 256 /* SRAM5 boot */
+}
+
+/* For each data/text section two region are defined, a virtual region
+ and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash1);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash1);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash1);
+REGION_ALIAS("XTORS_FLASH_LMA", flash1);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash1);
+REGION_ALIAS("TEXT_FLASH_LMA", flash1);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash1);
+REGION_ALIAS("RODATA_FLASH_LMA", flash1);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash1);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash1);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash1);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+ of all exceptions and interrupts.*/
+REGION_ALIAS("MAIN_STACK_RAM", ram4);
+
+/* RAM region to be used for the process stack. This is the stack used by
+ the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram4);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+ of all exceptions and interrupts.*/
+REGION_ALIAS("C1_MAIN_STACK_RAM", ram5);
+
+/* RAM region to be used for the process stack. This is the stack used by
+ the main() function.*/
+REGION_ALIAS("C1_PROCESS_STACK_RAM", ram5);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash1);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+SECTIONS
+{
+ .flash_begin : {
+ __flash_binary_start = .;
+ } > flash1
+
+ .boot2 : {
+ __boot2_start__ = .;
+ KEEP (*(.boot2))
+ __boot2_end__ = .;
+ } > flash1
+}
+
+/* Generic rules inclusion.*/
+INCLUDE rules_stacks.ld
+INCLUDE rules_stacks_c1.ld
+INCLUDE RP2040_rules_code_with_boot2.ld
+INCLUDE RP2040_rules_data_with_timecrit.ld
+INCLUDE rules_memory.ld
+
+SECTIONS
+{
+ .flash_end : {
+ __flash_binary_end = .;
+ } > flash1
+}
diff --git a/platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld b/platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld
new file mode 100644
index 0000000000..a9a47be983
--- /dev/null
+++ b/platforms/chibios/boards/common/ld/RP2040_rules_data_with_timecrit.ld
@@ -0,0 +1,46 @@
+/*
+ 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.
+*/
+
+SECTIONS
+{
+ .data : ALIGN(4)
+ {
+ PROVIDE(_textdata = LOADADDR(.data));
+ PROVIDE(_data = .);
+ __textdata_base__ = LOADADDR(.data);
+ __data_base__ = .;
+ *(vtable)
+ *(.time_critical*)
+ . = ALIGN(4);
+ *(.data)
+ *(.data.*)
+ *(.ramtext)
+ . = ALIGN(4);
+ PROVIDE(_edata = .);
+ __data_end__ = .;
+ } > DATA_RAM AT > DATA_RAM_LMA
+
+ .bss (NOLOAD) : ALIGN(4)
+ {
+ __bss_base__ = .;
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ PROVIDE(end = .);
+ } > BSS_RAM
+}
diff --git a/platforms/chibios/bootloaders/rp2040.c b/platforms/chibios/bootloaders/rp2040.c
new file mode 100644
index 0000000000..13a54036ef
--- /dev/null
+++ b/platforms/chibios/bootloaders/rp2040.c
@@ -0,0 +1,57 @@
+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+#include "hal.h"
+#include "bootloader.h"
+#include "pico/bootrom.h"
+
+#if !defined(RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED)
+# define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED_MASK 0U
+#else
+# define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED_MASK (1U << RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED)
+#endif
+
+__attribute__((weak)) void mcu_reset(void) {
+ NVIC_SystemReset();
+}
+void bootloader_jump(void) {
+ reset_usb_boot(RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED_MASK, 0U);
+}
+
+void enter_bootloader_mode_if_requested(void) {}
+
+#if defined(RP2040_BOOTLOADER_DOUBLE_TAP_RESET)
+# if !defined(RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT)
+# define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 200U
+# endif
+
+// Needs to be located in a RAM section that is never initialized on boot to
+// preserve its value on reset
+static volatile uint32_t __attribute__((section(".ram0.bootloader_magic"))) magic_location;
+const uint32_t magic_token = 0xCAFEB0BA;
+
+// We can not use the __early_init / enter_bootloader_mode_if_requested hook as
+// we depend on an already initialized system with usable memory regions and
+// populated function pointer tables to the optimized math functions in the
+// bootrom. This function is called just prior to main.
+void __late_init(void) {
+ // All clocks have to be enabled before jumping to the bootloader function,
+ // otherwise the bootrom will be stuck infinitely.
+ clocks_init();
+
+ if (magic_location != magic_token) {
+ magic_location = magic_token;
+ // ChibiOS is not initialized at this point, so sleeping is only
+ // possible via busy waiting. The internal timer peripheral is running
+ // at this point with a precision of 1us.
+ chSysPolledDelayX(MS2RTC(1 * MHZ, RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT));
+ magic_location = 0;
+ return;
+ }
+
+ magic_location = 0;
+ reset_usb_boot(RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED_MASK, 0U);
+}
+
+#endif
diff --git a/platforms/chibios/bootloaders/stm32_dfu.c b/platforms/chibios/bootloaders/stm32_dfu.c
index ff866bd2bc..7b4ab86033 100644
--- a/platforms/chibios/bootloaders/stm32_dfu.c
+++ b/platforms/chibios/bootloaders/stm32_dfu.c
@@ -38,7 +38,7 @@ extern uint32_t __ram0_end__;
# endif
# ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY
-# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100000
+# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100
# endif
__attribute__((weak)) void bootloader_jump(void) {
@@ -55,7 +55,7 @@ __attribute__((weak)) void bootloader_jump(void) {
# endif
// Wait for a while for the capacitor to charge
- wait_ms(100);
+ wait_ms(STM32_BOOTLOADER_DUAL_BANK_DELAY);
// Issue a system reset to get the ROM bootloader to execute, with BOOT0 high
NVIC_SystemReset();
diff --git a/platforms/chibios/chibios_config.h b/platforms/chibios/chibios_config.h
index a7098f2713..1571bd5cd3 100644
--- a/platforms/chibios/chibios_config.h
+++ b/platforms/chibios/chibios_config.h
@@ -19,6 +19,27 @@
# define SPLIT_USB_DETECT // Force this on when dedicated pin is not used
#endif
+#if defined(MCU_RP)
+# define CPU_CLOCK RP_CORE_CLK
+
+# define USE_GPIOV1
+# define PAL_OUTPUT_TYPE_OPENDRAIN _Static_assert(0, "RP2040 has no Open Drain GPIO configuration, setting this is not possible");
+
+# define usb_lld_endpoint_fields
+
+# define I2C1_SCL_PAL_MODE (PAL_MODE_ALTERNATE_I2C | PAL_RP_PAD_SLEWFAST | PAL_RP_PAD_PUE | PAL_RP_PAD_DRIVE4)
+# define I2C1_SDA_PAL_MODE I2C1_SCL_PAL_MODE
+
+# define USE_I2CV1_CONTRIB
+# if !defined(I2C1_CLOCK_SPEED)
+# define I2C1_CLOCK_SPEED 4