}
#endif /* CONFIG_OF_CONTROL */
+#ifdef CONFIG_SYS_SPI_ST_ENABLE_WP_PIN
+/* enable the W#/Vpp signal to disable writing to the status register */
+static int spi_enable_wp_pin(struct spi_flash *flash)
+{
+ u8 status;
+ int ret;
+
+ ret = spi_flash_cmd_read_status(flash, &status);
+ if (ret < 0)
+ return ret;
+
+ ret = spi_flash_cmd_write_status(flash, STATUS_SRWD);
+ if (ret < 0)
+ return ret;
+
+ ret = spi_flash_cmd_write_disable(flash);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+#else
+static int spi_enable_wp_pin(struct spi_flash *flash)
+{
+ return 0;
+}
+#endif
+
static struct spi_flash *spi_flash_probe_slave(struct spi_slave *spi)
{
struct spi_flash *flash = NULL;
puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
}
#endif
+ if (spi_enable_wp_pin(flash))
+ puts("Enable WP pin failed\n");
/* Release spi bus */
spi_release_bus(spi);