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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <stdint.h>
#define FLASH_BSY (1 << 0)
#define FLASH_PGERR (1 << 2)
#define FLASH_WRPRTERR (1 << 4)
void flash_write(volatile uint32_t *flash_sr,
uint32_t hwords_count,
uint16_t *buffer,
uint16_t *target_addr) __attribute__((naked));
void flash_write(volatile uint32_t *flash_sr,
uint32_t hwords_count,
uint16_t *buffer,
uint16_t *target_addr)
{
do {
*target_addr = *buffer++;
register uint32_t sr;
do {
sr = *flash_sr;
} while (sr & FLASH_BSY);
if (sr & (FLASH_PGERR | FLASH_WRPRTERR))
break;
target_addr++;
} while (--hwords_count);
asm("ebreak");
}
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