sandbox: Increase memory size to 32MB

[karo-tx-uboot.git] / include / spi_flash.h

diff --git a/include/spi_flash.h b/include/spi_flash.h
index 8e0bb46e8124a31e65fee04780653c817c631048..1a112862240c966668199988ddab739277afd5f8 100644 (file)
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -19,7 +19,10 @@
 #include <linux/types.h>
 #include <linux/compiler.h>
 
-/* No enum list for write commands only QPP */
+/* sf param flags */
+#define SECT_4K                1 << 1
+#define SECT_32K       1 << 2
+#define E_FSR          1 << 3
 #define WR_QPP         1 << 4
 
 /* Enum list - Full read commands */
@@ -28,9 +31,17 @@ enum spi_read_cmds {
        DUAL_OUTPUT_FAST = 1 << 1,
        DUAL_IO_FAST = 1 << 2,
        QUAD_OUTPUT_FAST = 1 << 3,
+       QUAD_IO_FAST = 1 << 4,
 };
 #define RD_EXTN                ARRAY_SLOW | DUAL_OUTPUT_FAST | DUAL_IO_FAST
-#define RD_FULL                RD_EXTN | QUAD_OUTPUT_FAST
+#define RD_FULL                RD_EXTN | QUAD_OUTPUT_FAST | QUAD_IO_FAST
+
+/* Dual SPI flash memories */
+enum spi_dual_flash {
+       SF_SINGLE_FLASH = 0,
+       SF_DUAL_STACKED_FLASH = 1 << 0,
+       SF_DUAL_PARALLEL_FLASH = 1 << 1,
+};
 
 /**
  * struct spi_flash_params - SPI/QSPI flash device params structure
@@ -41,7 +52,7 @@ enum spi_read_cmds {
  * @sector_size:       Sector size of this device
  * @nr_sectors:                No.of sectors on this device
  * @e_rd_cmd:          Enum list for read commands
- * @flags:             Importent param, for flash specific behaviour
+ * @flags:             Important param, for flash specific behaviour
  */
 struct spi_flash_params {
        const char *name;
@@ -60,6 +71,8 @@ extern const struct spi_flash_params spi_flash_params_table[];
  *
  * @spi:               SPI slave
  * @name:              Name of SPI flash
+ * @dual_flash:                Indicates dual flash memories - dual stacked, parallel
+ * @shift:             Flash shift useful in dual parallel
  * @size:              Total flash size
  * @page_size:         Write (page) size
  * @sector_size:       Sector size
@@ -71,18 +84,21 @@ extern const struct spi_flash_params spi_flash_params_table[];
  * @erase_cmd:         Erase cmd 4K, 32K, 64K
  * @read_cmd:          Read cmd - Array Fast, Extn read and quad read.
  * @write_cmd:         Write cmd - page and quad program.
+ * @dummy_byte:                Dummy cycles for read operation.
  * @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
- * @write:             Flash write ops: Write len bytes from buf into offeset
+ * @write:             Flash write ops: Write len bytes from buf into offset
  *                     Supported cmds: Page Program
  * @erase:             Flash erase ops: Erase len bytes from offset
  *                     Supported cmds: Sector erase 4K, 32K, 64K
- * return 0 - Sucess, 1 - Failure
+ * return 0 - Success, 1 - Failure
  */
 struct spi_flash {
        struct spi_slave *spi;
        const char *name;
+       u8 dual_flash;
+       u8 shift;
 
        u32 size;
        u32 page_size;
@@ -97,6 +113,7 @@ struct spi_flash {
        u8 erase_cmd;
        u8 read_cmd;
        u8 write_cmd;
+       u8 dummy_byte;
 
        void *memory_map;
        int (*read)(struct spi_flash *flash, u32 offset, size_t len, void *buf);