sf: Add quad read/write commands support
This patch add quad commands support like
- QUAD_PAGE_PROGRAM => for write program
- QUAD_OUTPUT_FAST ->> for read program
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
diff --git a/include/spi_flash.h b/include/spi_flash.h
index 692e143..9fd9d3b 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -19,13 +19,18 @@
#include <linux/types.h>
#include <linux/compiler.h>
-/* Enum list - Extended read commands */
+/* No enum list for write commands only QPP */
+#define WR_QPP 1 << 4
+
+/* Enum list - Full read commands */
enum spi_read_cmds {
ARRAY_SLOW = 1 << 0,
DUAL_OUTPUT_FAST = 1 << 1,
DUAL_IO_FAST = 1 << 2,
+ QUAD_OUTPUT_FAST = 1 << 3,
};
#define RD_EXTN ARRAY_SLOW | DUAL_OUTPUT_FAST | DUAL_IO_FAST
+#define RD_FULL RD_EXTN | QUAD_OUTPUT_FAST
/**
* struct spi_flash - SPI flash structure
@@ -41,7 +46,8 @@
* @bank_curr: Current flash bank
* @poll_cmd: Poll cmd - for flash erase/program
* @erase_cmd: Erase cmd 4K, 32K, 64K
- * @read_cmd: Read cmd - Array Fast and Extn read
+ * @read_cmd: Read cmd - Array Fast, Extn read and quad read.
+ * @write_cmd: Write cmd - page and quad program.
* @memory_map: Address of read-only SPI flash access
* @read: Flash read ops: Read len bytes at offset into buf
* Supported cmds: Fast Array Read
@@ -67,6 +73,7 @@
u8 poll_cmd;
u8 erase_cmd;
u8 read_cmd;
+ u8 write_cmd;
void *memory_map;
int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf);