remove unused coprocessor driver from all CBM projects

No project uses floating-point, so coprocessor_enable() was dead code.
Removes rp2350_coprocessor.c/.h and all references from reset handlers
and Makefiles across all 15 CBM drivers (0x01-0x0f).

drivers/0x01_uart_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x01_uart_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/main.c \
        $(SRC_DIR)/image_def.c

drivers/0x01_uart_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x01_uart_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, and coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x02_blink_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x02_blink_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_gpio.c \
        $(SRC_DIR)/rp2350_led.c \

drivers/0x02_blink_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x02_blink_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x03_button_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x03_button_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_gpio.c \
        $(SRC_DIR)/rp2350_led.c \

drivers/0x03_button_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x03_button_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x04_pwm_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x04_pwm_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_pwm.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x04_pwm_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x04_pwm_cbm/Src/rp2350_reset_handler.c

@@ -5,7 +5,7 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, PWM, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, PWM, then
   *          branches to main().
   *
   ******************************************************************************
@@ -27,19 +27,17 @@
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
 #include "rp2350_pwm.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
 /**
-  * @brief  Initialize late peripherals (PWM and coprocessor).
+  * @brief  Initialize late peripherals (PWM release and init).
   * @retval None
   */
 void _late_init(void)
 {
   pwm_release_reset();
   pwm_init();
-  coprocessor_enable();
 }
 
 void __attribute__((naked, noreturn)) Reset_Handler(void)

drivers/0x05_servo_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x05_servo_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_servo.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x05_servo_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x05_servo_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, servo, coprocessor,
+  *          stack, XOSC, subsystem resets, UART, servo, then
-  *          then branches to main().
+  *          branches to main().
   *
   ******************************************************************************
   * @attention
@@ -27,19 +27,17 @@
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
 #include "rp2350_servo.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
 /**
-  * @brief  Initialize late peripherals (servo and coprocessor).
+  * @brief  Initialize late peripherals (servo release and init).
   * @retval None
   */
 void _late_init(void)
 {
   servo_release_reset();
   servo_init();
-  coprocessor_enable();
 }
 
 void __attribute__((naked, noreturn)) Reset_Handler(void)

drivers/0x06_adc_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x06_adc_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_adc.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x06_adc_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x06_adc_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, ADC, coprocessor,
+  *          stack, XOSC, subsystem resets, UART, ADC, then
-  *          then branches to main().
+  *          branches to main().
   *
   ******************************************************************************
   * @attention
@@ -27,7 +27,6 @@
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
 #include "rp2350_adc.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -40,7 +39,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x07_i2c_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x07_i2c_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_i2c.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x07_i2c_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x07_i2c_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x08_lcd1602_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x08_lcd1602_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_i2c.c \
        $(SRC_DIR)/rp2350_lcd1602.c \

drivers/0x08_lcd1602_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x08_lcd1602_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x09_dht11_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x09_dht11_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_dht11.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x09_dht11_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x09_dht11_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x0a_ir_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x0a_ir_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_ir.c \
        $(SRC_DIR)/main.c \

drivers/0x0a_ir_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x0a_ir_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x0b_spi_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x0b_spi_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_spi.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x0b_spi_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x0b_spi_cbm/Src/rp2350_reset_handler.c

@@ -5,7 +5,7 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, SPI, UART, then
   *          branches to main().
   *
   ******************************************************************************
@@ -27,20 +27,9 @@
 #include "rp2350_reset.h"
 #include "rp2350_spi.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
-/**
-  * @brief  Initialize late peripherals (SPI reset and coprocessor).
-  * @retval None
-  */
-void _late_init(void)
-{
-  spi_release_reset();
-  coprocessor_enable();
-}
-
 void __attribute__((naked, noreturn)) Reset_Handler(void)
 {
   __asm__ volatile (
@@ -48,9 +37,9 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl xosc_init\n\t"
     "bl xosc_enable_peri_clk\n\t"
     "bl reset_init_subsystem\n\t"
+    "bl spi_release_reset\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl _late_init\n\t"
     "b main\n\t"
   );
 }

drivers/0x0c_multicore_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x0c_multicore_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_multicore.c \
        $(SRC_DIR)/rp2350_delay.c \

drivers/0x0c_multicore_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x0c_multicore_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, coprocessor, then
+  *          stack, XOSC, subsystem resets, UART, then branches
-  *          branches to main().
+  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -26,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -39,7 +38,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }

drivers/0x0d_timer_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x0d_timer_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_delay.c \
        $(SRC_DIR)/rp2350_timer.c \

drivers/0x0d_timer_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x0d_timer_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, TIMER0 tick generator,
+  *          stack, XOSC, subsystem resets, UART, TIMER0 tick
-  *          coprocessor, then branches to main().
+  *          generator, then branches to main().
   *
   ******************************************************************************
   * @attention
@@ -27,19 +27,17 @@
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
 #include "rp2350_timer.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
 /**
-  * @brief  Initialize late peripherals (timer tick and coprocessor).
+  * @brief  Initialize late peripherals (timer release and tick init).
   * @retval None
   */
 void _late_init(void)
 {
   timer_release_reset();
   timer_tick_init();
-  coprocessor_enable();
 }
 
 void __attribute__((naked, noreturn)) Reset_Handler(void)

drivers/0x0e_watchdog_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x0e_watchdog_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_delay.c \
        $(SRC_DIR)/rp2350_watchdog.c \

drivers/0x0e_watchdog_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x0e_watchdog_cbm/Src/rp2350_reset_handler.c

@@ -5,8 +5,8 @@
   * @brief   Reset handler implementation for RP2350.
   *
   *          Entry point after power-on or system reset. Initializes the
-  *          stack, XOSC, subsystem resets, UART, watchdog tick generator,
+  *          stack, XOSC, subsystem resets, UART, watchdog tick
-  *          coprocessor, then branches to main().
+  *          generator, then branches to main().
   *
   ******************************************************************************
   * @attention
@@ -27,20 +27,9 @@
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
 #include "rp2350_watchdog.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
-/**
-  * @brief  Initialize late peripherals (watchdog tick and coprocessor).
-  * @retval None
-  */
-void _late_init(void)
-{
-  watchdog_tick_init();
-  coprocessor_enable();
-}
-
 void __attribute__((naked, noreturn)) Reset_Handler(void)
 {
   __asm__ volatile (
@@ -50,7 +39,7 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl _late_init\n\t"
+    "bl watchdog_tick_init\n\t"
     "b main\n\t"
   );
 }

drivers/0x0f_flash_cbm/Inc/rp2350_coprocessor.h

@@ -1,33 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.h
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver header for RP2350.
-  *
-  *          Enables coprocessor access via the CPACR register.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#ifndef __RP2350_COPROCESSOR_H
-#define __RP2350_COPROCESSOR_H
-
-#include "rp2350.h"
-
-/**
-  * @brief  Enable coprocessor access via CPACR with DSB/ISB barriers.
-  * @retval None
-  */
-void coprocessor_enable(void);
-
-#endif /* __RP2350_COPROCESSOR_H */

drivers/0x0f_flash_cbm/Makefile

@@ -36,7 +36,6 @@ SRCS = $(SRC_DIR)/vector_table.c \
        $(SRC_DIR)/rp2350_stack.c \
        $(SRC_DIR)/rp2350_xosc.c \
        $(SRC_DIR)/rp2350_reset.c \
-       $(SRC_DIR)/rp2350_coprocessor.c \
        $(SRC_DIR)/rp2350_uart.c \
        $(SRC_DIR)/rp2350_flash.c \
        $(SRC_DIR)/main.c \

drivers/0x0f_flash_cbm/Src/rp2350_coprocessor.c

@@ -1,34 +0,0 @@
-/**
-  ******************************************************************************
-  * @file    rp2350_coprocessor.c
-  * @author  Kevin Thomas
-  * @brief   Coprocessor access control driver implementation for RP2350.
-  *
-  *          Grants access to coprocessors 0 and 1 by setting the
-  *          corresponding bits in CPACR with DSB/ISB barriers.
-  *
-  ******************************************************************************
-  * @attention
-  *
-  * Copyright (c) 2026 Kevin Thomas.
-  * All rights reserved.
-  *
-  * This software is licensed under terms that can be found in the LICENSE file
-  * in the root directory of this software component.
-  * If no LICENSE file comes with this software, it is provided AS-IS.
-  *
-  ******************************************************************************
-  */
-
-#include "rp2350_coprocessor.h"
-
-void coprocessor_enable(void)
-{
-  uint32_t value;
-  value = *CPACR;
-  value |= (1U << CPACR_CP1_SHIFT);
-  value |= (1U << CPACR_CP0_SHIFT);
-  *CPACR = value;
-  __asm__ volatile ("dsb");
-  __asm__ volatile ("isb");
-}

drivers/0x0f_flash_cbm/Src/rp2350_reset_handler.c

@@ -6,8 +6,7 @@
   *
   *          Entry point after power-on or system reset. Copies the
   *          .data section from flash to RAM, initializes the stack,
-  *          XOSC, subsystem resets, UART, coprocessor, then branches
+  *          XOSC, subsystem resets, UART, then branches to main().
-  *          to main().
   *
   ******************************************************************************
   * @attention
@@ -27,7 +26,6 @@
 #include "rp2350_xosc.h"
 #include "rp2350_reset.h"
 #include "rp2350_uart.h"
-#include "rp2350_coprocessor.h"
 
 extern int main(void);
 
@@ -77,7 +75,6 @@ void __attribute__((naked, noreturn)) Reset_Handler(void)
     "bl reset_init_subsystem\n\t"
     "bl uart_release_reset\n\t"
     "bl uart_init\n\t"
-    "bl coprocessor_enable\n\t"
     "b main\n\t"
   );
 }