]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - drivers/mtd/spi/spi_flash_internal.h
Merge branch 'master' of git://git.denx.de/u-boot-spi
[karo-tx-uboot.git] / drivers / mtd / spi / spi_flash_internal.h
index e0afbc3d87ceed5fe74504daa43917017c750b34..af1afa96c9dfe5d757650b84d605d4200da8a0fa 100644 (file)
 #define CMD_PAGE_PROGRAM               0x02
 #define CMD_WRITE_DISABLE              0x04
 #define CMD_READ_STATUS                        0x05
+#define CMD_FLAG_STATUS                        0x70
 #define CMD_WRITE_ENABLE               0x06
 #define CMD_ERASE_4K                   0x20
 #define CMD_ERASE_32K                  0x52
 #define CMD_ERASE_64K                  0xd8
 #define CMD_ERASE_CHIP                 0xc7
 
+#define SPI_FLASH_16MB_BOUN            0x1000000
+
+/* Manufacture ID's */
+#define SPI_FLASH_SPANSION_IDCODE0     0x01
+#define SPI_FLASH_STMICRO_IDCODE0      0x20
+#define SPI_FLASH_WINBOND_IDCODE0      0xef
+
+#ifdef CONFIG_SPI_FLASH_BAR
+/* Bank addr access commands */
+# define CMD_BANKADDR_BRWR             0x17
+# define CMD_BANKADDR_BRRD             0x16
+# define CMD_EXTNADDR_WREAR            0xC5
+# define CMD_EXTNADDR_RDEAR            0xC8
+#endif
+
 /* Common status */
 #define STATUS_WIP                     0x01
+#define STATUS_PEC                     0x80
 
 /* Send a single-byte command to the device and read the response */
 int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len);
@@ -77,16 +94,30 @@ static inline int spi_flash_cmd_write_disable(struct spi_flash *flash)
 /* Program the status register. */
 int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr);
 
+#ifdef CONFIG_SPI_FLASH_BAR
+/* Program the bank address register */
+int spi_flash_cmd_bankaddr_write(struct spi_flash *flash, u8 bank_sel);
+
+/* Configure the BAR - discover the bank cmds */
+int spi_flash_bank_config(struct spi_flash *flash, u8 idcode0);
+#endif
+
 /*
  * Same as spi_flash_cmd_read() except it also claims/releases the SPI
  * bus. Used as common part of the ->read() operation.
  */
 int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
                size_t cmd_len, void *data, size_t data_len);
-
-/* Send a command to the device and wait for some bit to clear itself. */
-int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout,
-                          u8 cmd, u8 poll_bit);
+/*
+ * Used for spi_flash write operation
+ * - SPI claim
+ * - spi_flash_cmd_write_enable
+ * - spi_flash_cmd_write
+ * - spi_flash_cmd_wait_ready
+ * - SPI release
+ */
+int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd,
+               size_t cmd_len, const void *buf, size_t buf_len);
 
 /*
  * Send the read status command to the device and wait for the wip