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remove unused coprocessor driver from all CBM projects

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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).
This commit is contained in:
Kevin Thomas
2026-04-05 21:36:42 -04:00
parent e6d8ab4850
commit c6c3d4a045
60 changed files with 32 additions and 1101 deletions
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drivers/0x0d_timer_cbm/Inc/rp2350_coprocessor.h
-33
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@@ -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
-1
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@@ -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
-34
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@@ -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
+3 -5
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@@ -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,
* coprocessor, then branches to main().
* stack, XOSC, subsystem resets, UART, TIMER0 tick
* 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)