fd44146ad2
Rework the ARM delay loop to avoid it causing assembler issue in the rest of the code. Link: https://github.com/zephyrproject-rtos/zephyr/pull/90211#issuecomment-2894157705 Suggested-by: Mathieu Choplain <mathieu.choplain@st.com> Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
/*
|
|
* Copyright (c) 2023 Nordic Semiconductor ASA
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/kernel.h>
|
|
#include <zephyr/drivers/gpio.h>
|
|
#include <soc.h>
|
|
|
|
static ALWAYS_INLINE void pin_delay_asm(uint32_t delay)
|
|
{
|
|
#if defined(CONFIG_CPU_CORTEX_M)
|
|
__asm volatile (".syntax unified\n"
|
|
".start_%=:\n"
|
|
"subs %0, #1\n"
|
|
"bne .start_%=\n"
|
|
: "+l" (delay)
|
|
:
|
|
: "cc"
|
|
);
|
|
#else
|
|
#warning "Pin delay is not defined"
|
|
#endif
|
|
}
|
|
|
|
#if defined(CONFIG_SOC_SERIES_NRF52X) || defined(CONFIG_SOC_SERIES_NRF53X)
|
|
|
|
#include "swdp_ll_pin_nrf.h"
|
|
|
|
#elif defined(CONFIG_SOC_FAMILY_STM32)
|
|
|
|
#include "swdp_ll_pin_stm32.h"
|
|
|
|
#else
|
|
|
|
#define CPU_CLOCK CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC
|
|
#define FAST_BITBANG_HW_SUPPORT 0
|
|
|
|
static ALWAYS_INLINE void swdp_ll_pin_input(void *const base, uint8_t pin)
|
|
{
|
|
}
|
|
|
|
static ALWAYS_INLINE void swdp_ll_pin_output(void *const base, uint8_t pin)
|
|
{
|
|
}
|
|
|
|
|
|
static ALWAYS_INLINE void swdp_ll_pin_set(void *const base, uint8_t pin)
|
|
{
|
|
}
|
|
|
|
static ALWAYS_INLINE void swdp_ll_pin_clr(void *const base, uint8_t pin)
|
|
{
|
|
}
|
|
|
|
static ALWAYS_INLINE uint32_t swdp_ll_pin_get(void *const base, uint8_t pin)
|
|
{
|
|
return 0UL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifndef CPU_CLOCK
|
|
#error "CPU_CLOCK not defined by any soc specific driver"
|
|
#endif
|
|
|
|
#ifndef FAST_BITBANG_HW_SUPPORT
|
|
#error "FAST_BITBANG_HW_SUPPORT not defined by any soc specific driver"
|
|
#endif
|