blob: c1b656aeaee009bfd15e6045a684b89fbd3a6232 [file] [log] [blame]
/*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright (c) 2021 ASPEED Technology Inc.
*/
#ifndef ZEPHYR_SOC_ARM_ASPEED_UTIL_H_
#define ZEPHYR_SOC_ARM_ASPEED_UTIL_H_
#include <zephyr/sys/util.h>
#include <zephyr/devicetree.h>
#include <zephyr/toolchain.h>
/* gcc.h doesn't define __section but checkpatch.pl will complain for this. so
* temporarily add a macro here.
*/
#ifndef __section
#define __section(x) __attribute__((__section__(x)))
#endif
/* to make checkpatch.pl happy */
#define ALIGNED16_SECTION(name) (aligned(16), section(name))
#define __section_aligned16(name) __attribute__(ALIGNED16_SECTION(name))
/* non-cached (DMA) memory */
#if (CONFIG_SRAM_NC_SIZE > 0)
#define NON_CACHED_BSS __section(".nocache.bss")
#define NON_CACHED_BSS_ALIGN16 __section_aligned16(".nocache.bss")
#else
#define NON_CACHED_BSS
#define NON_CACHED_BSS_ALIGN16 __aligned(16)
#endif
#define reg_read_poll_timeout(map, reg, val, cond, sleep_ms, timeout_ms) \
({ \
uint32_t __timeout_tick = Z_TIMEOUT_MS(timeout_ms).ticks; \
uint32_t __start = sys_clock_tick_get_32(); \
int __ret = 0; \
for (;;) { \
val.value = map->reg.value; \
if (cond) { \
break; \
} \
if ((sys_clock_tick_get_32() - __start) > __timeout_tick) { \
__ret = -ETIMEDOUT; \
break; \
} \
if (sleep_ms) { \
k_msleep(sleep_ms); \
} \
} \
__ret; \
})
/* Common reset control device name for all ASPEED SOC family */
#define ASPEED_RST_CTRL_NAME DT_INST_RESETS_LABEL(0)
#define DEBUG_HALT() { volatile int halt = 1; while (halt) { __asm__ volatile("nop"); } }
#endif