/* Dual SPI flash memories - see SPI_COMM_DUAL_... */
enum spi_dual_flash {
SF_SINGLE_FLASH = 0,
- SF_DUAL_STACKED_FLASH = 1 << 0,
- SF_DUAL_PARALLEL_FLASH = 1 << 1,
+ SF_DUAL_STACKED_FLASH = BIT(0),
+ SF_DUAL_PARALLEL_FLASH = BIT(1),
};
-/* Enum list - Full read commands */
-enum spi_read_cmds {
- ARRAY_SLOW = 1 << 0,
- ARRAY_FAST = 1 << 1,
- DUAL_OUTPUT_FAST = 1 << 2,
- DUAL_IO_FAST = 1 << 3,
- QUAD_OUTPUT_FAST = 1 << 4,
- QUAD_IO_FAST = 1 << 5,
-};
-
-/* Normal - Extended - Full command set */
-#define RD_NORM (ARRAY_SLOW | ARRAY_FAST)
-#define RD_EXTN (RD_NORM | DUAL_OUTPUT_FAST | DUAL_IO_FAST)
-#define RD_FULL (RD_EXTN | QUAD_OUTPUT_FAST | QUAD_IO_FAST)
-
-/* sf param flags */
-enum {
-#ifdef CONFIG_SPI_FLASH_USE_4K_SECTORS
- SECT_4K = 1 << 0,
-#else
- SECT_4K = 0 << 0,
-#endif
- SECT_32K = 1 << 1,
- E_FSR = 1 << 2,
- SST_BP = 1 << 3,
- SST_WP = 1 << 4,
- WR_QPP = 1 << 5,
-};
-
-#define SST_WR (SST_BP | SST_WP)
-
enum spi_nor_option_flags {
- SNOR_F_SST_WR = (1 << 0),
- SNOR_F_USE_FSR = (1 << 1),
+ SNOR_F_SST_WR = BIT(0),
+ SNOR_F_USE_FSR = BIT(1),
};
#define SPI_FLASH_3B_ADDR_LEN 3
#define SPI_FLASH_CFI_MFR_SPANSION 0x01
#define SPI_FLASH_CFI_MFR_STMICRO 0x20
#define SPI_FLASH_CFI_MFR_MACRONIX 0xc2
+#define SPI_FLASH_CFI_MFR_SST 0xbf
#define SPI_FLASH_CFI_MFR_WINBOND 0xef
+#define SPI_FLASH_CFI_MFR_ATMEL 0x1f
/* Erase commands */
#define CMD_ERASE_4K 0x20
-#define CMD_ERASE_32K 0x52
#define CMD_ERASE_CHIP 0xc7
#define CMD_ERASE_64K 0xd8
#define CMD_WRITE_STATUS 0x01
#define CMD_PAGE_PROGRAM 0x02
#define CMD_WRITE_DISABLE 0x04
-#define CMD_READ_STATUS 0x05
-#define CMD_QUAD_PAGE_PROGRAM 0x32
-#define CMD_READ_STATUS1 0x35
#define CMD_WRITE_ENABLE 0x06
-#define CMD_READ_CONFIG 0x35
-#define CMD_FLAG_STATUS 0x70
+#define CMD_QUAD_PAGE_PROGRAM 0x32
+#define CMD_WRITE_EVCR 0x61
/* Read commands */
#define CMD_READ_ARRAY_SLOW 0x03
#define CMD_READ_QUAD_OUTPUT_FAST 0x6b
#define CMD_READ_QUAD_IO_FAST 0xeb
#define CMD_READ_ID 0x9f
+#define CMD_READ_STATUS 0x05
+#define CMD_READ_STATUS1 0x35
+#define CMD_READ_CONFIG 0x35
+#define CMD_FLAG_STATUS 0x70
+#define CMD_READ_EVCR 0x65
/* Bank addr access commands */
#ifdef CONFIG_SPI_FLASH_BAR
#endif
/* Common status */
-#define STATUS_WIP (1 << 0)
-#define STATUS_QEB_WINSPAN (1 << 1)
-#define STATUS_QEB_MXIC (1 << 6)
-#define STATUS_PEC (1 << 7)
+#define STATUS_WIP BIT(0)
+#define STATUS_QEB_WINSPAN BIT(1)
+#define STATUS_QEB_MXIC BIT(6)
+#define STATUS_PEC BIT(7)
+#define STATUS_QEB_MICRON BIT(7)
#define SR_BP0 BIT(2) /* Block protect 0 */
#define SR_BP1 BIT(3) /* Block protect 1 */
#define SR_BP2 BIT(4) /* Block protect 2 */
const void *buf);
#endif
-/**
- * struct spi_flash_params - SPI/QSPI flash device params structure
- *
- * @name: Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO])
- * @jedec: Device jedec ID (0x[1byte_manuf_id][2byte_dev_id])
- * @ext_jedec: Device ext_jedec ID
- * @sector_size: Isn't necessarily a sector size from vendor,
- * the size listed here is what works with CMD_ERASE_64K
- * @nr_sectors: No.of sectors on this device
- * @e_rd_cmd: Enum list for read commands
- * @flags: Important param, for flash specific behaviour
- */
-struct spi_flash_params {
- const char *name;
- u32 jedec;
- u16 ext_jedec;
- u32 sector_size;
- u32 nr_sectors;
- u8 e_rd_cmd;
- u16 flags;
+#define JEDEC_MFR(info) ((info)->id[0])
+#define JEDEC_ID(info) (((info)->id[1]) << 8 | ((info)->id[2]))
+#define JEDEC_EXT(info) (((info)->id[3]) << 8 | ((info)->id[4]))
+#define SPI_FLASH_MAX_ID_LEN 6
+
+struct spi_flash_info {
+ /* Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO]) */
+ const char *name;
+
+ /*
+ * This array stores the ID bytes.
+ * The first three bytes are the JEDIC ID.
+ * JEDEC ID zero means "no ID" (mostly older chips).
+ */
+ u8 id[SPI_FLASH_MAX_ID_LEN];
+ u8 id_len;
+
+ /*
+ * The size listed here is what works with SPINOR_OP_SE, which isn't
+ * necessarily called a "sector" by the vendor.
+ */
+ u32 sector_size;
+ u32 n_sectors;
+
+ u16 page_size;
+
+ u16 flags;
+#define SECT_4K BIT(0) /* CMD_ERASE_4K works uniformly */
+#define E_FSR BIT(1) /* use flag status register for */
+#define SST_WR BIT(2) /* use SST byte/word programming */
+#define WR_QPP BIT(3) /* use Quad Page Program */
+#define RD_QUAD BIT(4) /* use Quad Read */
+#define RD_DUAL BIT(5) /* use Dual Read */
+#define RD_QUADIO BIT(6) /* use Quad IO Read */
+#define RD_DUALIO BIT(7) /* use Dual IO Read */
+#define RD_FULL (RD_QUAD | RD_DUAL | RD_QUADIO | RD_DUALIO)
};
-extern const struct spi_flash_params spi_flash_params_table[];
+extern const struct spi_flash_info spi_flash_ids[];
/* 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);
/* Flash erase(sectors) operation, support all possible erase commands */
int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len);
-/* Read the status register */
-int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs);
-
-/* Program the status register */
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws);
-
/* Lock stmicro spi flash region */
int stm_lock(struct spi_flash *flash, u32 ofs, size_t len);
/* Check if a stmicro spi flash region is completely locked */
int stm_is_locked(struct spi_flash *flash, u32 ofs, size_t len);
-/* Read the config register */
-int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc);
-
-/* Program the config register */
-int spi_flash_cmd_write_config(struct spi_flash *flash, u8 wc);
-
/* Enable writing on the SPI flash */
static inline int spi_flash_cmd_write_enable(struct spi_flash *flash)
{
return spi_flash_cmd(flash->spi, CMD_WRITE_DISABLE, NULL, 0);
}
-/*
- * Send the read status command to the device and wait for the wip
- * (write-in-progress) bit to clear itself.
- */
-int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout);
-
/*
* Used for spi_flash write operation
* - SPI claim
void spi_flash_mtd_unregister(void);
#endif
+/**
+ * spi_flash_scan - scan the SPI FLASH
+ * @flash: the spi flash structure
+ *
+ * The drivers can use this fuction to scan the SPI FLASH.
+ * In the scanning, it will try to get all the necessary information to
+ * fill the spi_flash{}.
+ *
+ * Return: 0 for success, others for failure.
+ */
+int spi_flash_scan(struct spi_flash *flash);
+
#endif /* _SF_INTERNAL_H_ */
projects / oweals / u-boot.git / blobdiff