sf: probe: Add support for SST_WP
Most of the SST flashes needs to write up using SST_WP, AAI
Word Program, so added a flag param on spi_flash_params table.
SST flashes, which supports SST_WP need to use a WP write
sst_write_wp instead of common flash write.
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
diff --git a/include/spi_flash.h b/include/spi_flash.h
index bfc59aa..de262ed 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -17,6 +17,13 @@
#include <linux/types.h>
#include <linux/compiler.h>
+/* SST specific macros */
+#ifdef CONFIG_SPI_FLASH_SST
+# define SST_WP 0x01 /* Supports AAI word program */
+# define CMD_SST_BP 0x02 /* Byte Program */
+# define CMD_SST_AAI_WP 0xAD /* Auto Address Incr Word Program */
+#endif
+
struct spi_flash {
struct spi_slave *spi;