CMD_READ_STATUS, STATUS_WIP);
}
-int spi_flash_cmd_erase(struct spi_flash *flash, u8 erase_cmd,
- u32 offset, size_t len)
+int spi_flash_cmd_erase(struct spi_flash *flash, u32 offset, size_t len)
{
u32 start, end, erase_size;
int ret;
return ret;
}
- cmd[0] = erase_cmd;
+ if (erase_size == 4096)
+ cmd[0] = CMD_ERASE_4K;
+ else
+ cmd[0] = CMD_ERASE_64K;
start = offset;
end = start + len;
goto out;
}
- debug("SF: Successfully erased %lu bytes @ %#x\n",
- len * erase_size, start);
+ debug("SF: Successfully erased %zu bytes @ %#x\n", len, start);
out:
spi_release_bus(flash->spi);
return ret;
}
+int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr)
+{
+ u8 cmd;
+ int ret;
+
+ ret = spi_flash_cmd_write_enable(flash);
+ if (ret < 0) {
+ debug("SF: enabling write failed\n");
+ return ret;
+ }
+
+ cmd = CMD_WRITE_STATUS;
+ ret = spi_flash_cmd_write(flash->spi, &cmd, 1, &sr, 1);
+ if (ret) {
+ debug("SF: fail to write status register\n");
+ return ret;
+ }
+
+ ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
+ if (ret < 0) {
+ debug("SF: write status register timed out\n");
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* The following table holds all device probe functions
*