diff --git a/os/hal/ports/RP/RP2040/hal_lld.c b/os/hal/ports/RP/RP2040/hal_lld.c
new file mode 100644
index 000000000..48d74d633
--- /dev/null
+++ b/os/hal/ports/RP/RP2040/hal_lld.c
@@ -0,0 +1,82 @@
+/*
+    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.
+*/
+
+/**
+ * @file    RP2040/hal_lld.c
+ * @brief   RP2040 HAL subsystem low level driver source.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   CMSIS system core clock variable.
+ * @note    It is declared in system_stm32l0xx.h.
+ */
+uint32_t SystemCoreClock = STM32_HCLK;
+
+/*===========================================================================*/
+/* Driver local variables and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   Low level HAL driver initialization.
+ *
+ * @notapi
+ */
+void hal_lld_init(void) {
+}
+
+/**
+ * @brief   RP2040 voltage, clocks and PLL initialization.
+ * @note    All the involved constants come from the file @p board.h.
+ * @note    This function should be invoked just after the system reset.
+ *
+ * @special
+ */
+/**
+ * @brief   Clocks and internal voltage initialization.
+ */
+void rp_clock_init(void) {
+
+#if !RP_NO_INIT
+
+#endif /* RP_NO_INIT */
+}
+
+/** @} */
diff --git a/os/hal/ports/RP/RP2040/hal_lld.h b/os/hal/ports/RP/RP2040/hal_lld.h
new file mode 100644
index 000000000..094dfa5fc
--- /dev/null
+++ b/os/hal/ports/RP/RP2040/hal_lld.h
@@ -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.
+*/
+
+/**
+ * @file    RP2040/hal_lld.h
+ * @brief   RP2040 HAL subsystem low level driver header.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef HAL_LLD_H
+#define HAL_LLD_H
+
+/*
+ * Registry definitions.
+ */
+#include "rp_registry.h"
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @name    Platform identification macros
+ * @{
+ */
+#if defined(RP2040) || defined(__DOXYGEN__)
+#define PLATFORM_NAME           "RP2040"
+
+#else
+#error "RP2040 device not specified"
+#endif
+/** @} */
+
+/**
+ * @name    Internal clock sources
+ * @{
+ */
+#define RP_ROSCCLK              6500000     /**< 6.5MHz internal clock.     */
+/** @} */
+
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    Configuration options
+ * @{
+ */
+/**
+ * @brief   Disables the clocks initialization in the HAL.
+ */
+#if !defined(RP_NO_INIT) || defined(__DOXYGEN__)
+#define RP_NO_INIT                          FALSE
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*
+ * Configuration-related checks.
+ */
+#if !defined(RP2040_MCUCONF)
+#error "Using a wrong mcuconf.h file, RP2040_MCUCONF not defined"
+#endif
+
+/*
+ * Board files sanity checks.
+ */
+#if !defined(RP2040_XOSCCLK)
+#error "RP2040_XOSCCLK not defined in board.h"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+/* Various helpers.*/
+#include "nvic.h"
+#include "cache.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void hal_lld_init(void);
+  void stm32_clock_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_LLD_H */
+
+/** @} */
diff --git a/os/hal/ports/RP/RP2040/platform.mk b/os/hal/ports/RP/RP2040/platform.mk
new file mode 100644
index 000000000..074c59590
--- /dev/null
+++ b/os/hal/ports/RP/RP2040/platform.mk
@@ -0,0 +1,31 @@
+# Required platform files.
+PLATFORMSRC := $(CHIBIOS)/os/hal/ports/common/ARMCMx/nvic.c \
+               $(CHIBIOS)/os/hal/ports/RP/RP2040/rp_isr.c \
+               $(CHIBIOS)/os/hal/ports/RP/RP2040/hal_lld.c
+
+# Required include directories.
+PLATFORMINC := $(CHIBIOS)/os/hal/ports/common/ARMCMx \
+               $(CHIBIOS)/os/hal/ports/RP/RP2040
+
+# Optional platform files.
+ifeq ($(USE_SMART_BUILD),yes)
+
+# Configuration files directory
+ifeq ($(HALCONFDIR),)
+  ifeq ($(CONFDIR),)
+    HALCONFDIR = .
+  else
+    HALCONFDIR := $(CONFDIR)
+  endif
+endif
+
+HALCONF := $(strip $(shell cat $(HALCONFDIR)/halconf.h | egrep -e "\#define"))
+
+else
+endif
+
+# Drivers compatible with the platform.
+
+# Shared variables
+ALLCSRC += $(PLATFORMSRC)
+ALLINC  += $(PLATFORMINC)
diff --git a/os/hal/ports/RP/RP2040/rp_registry.h b/os/hal/ports/RP/RP2040/rp_registry.h
new file mode 100644
index 000000000..21dea67e1
--- /dev/null
+++ b/os/hal/ports/RP/RP2040/rp_registry.h
@@ -0,0 +1,45 @@
+/*
+    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.
+*/
+
+/**
+ * @file    RP2040/rp_registry.h
+ * @brief   RP2040 capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef RP_REGISTRY_H
+#define RP_REGISTRY_H
+
+/*===========================================================================*/
+/* Platform capabilities.                                                    */
+/*===========================================================================*/
+
+/**
+ * @name    RP2040 capabilities
+ * @{
+ */
+
+/*===========================================================================*/
+/* Common.                                                                   */
+/*===========================================================================*/
+
+/** @} */
+
+#endif /* RP_REGISTRY_H */
+
+/** @} */