#ifndef _SF_INTERNAL_H_
#define _SF_INTERNAL_H_
+#include <linux/types.h>
+#include <linux/compiler.h>
+
+/* Dual SPI flash memories - see SPI_COMM_DUAL_... */
+enum spi_dual_flash {
+ SF_SINGLE_FLASH = 0,
+ SF_DUAL_STACKED_FLASH = BIT(0),
+ SF_DUAL_PARALLEL_FLASH = BIT(1),
+};
+
+/* Enum list - Full read commands */
+enum spi_read_cmds {
+ ARRAY_SLOW = BIT(0),
+ ARRAY_FAST = BIT(1),
+ DUAL_OUTPUT_FAST = BIT(2),
+ QUAD_OUTPUT_FAST = BIT(3),
+ DUAL_IO_FAST = BIT(4),
+ QUAD_IO_FAST = BIT(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 {
+#ifndef CONFIG_SPI_FLASH_USE_4K_SECTORS
+ SECT_4K = 0,
+#else
+ SECT_4K = BIT(0),
+#endif
+ SECT_32K = BIT(1),
+ E_FSR = BIT(2),
+ SST_WR = BIT(3),
+ WR_QPP = BIT(4),
+};
+
+enum spi_nor_option_flags {
+ SNOR_F_SST_WR = BIT(0),
+ SNOR_F_USE_FSR = BIT(1),
+};
+
#define SPI_FLASH_3B_ADDR_LEN 3
#define SPI_FLASH_CMD_LEN (1 + SPI_FLASH_3B_ADDR_LEN)
#define SPI_FLASH_16MB_BOUN 0x1000000
#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_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 */
/* Flash timeout values */
#define SPI_FLASH_PROG_TIMEOUT (2 * CONFIG_SYS_HZ)
/* SST specific */
#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 */
int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
const void *buf);
+int sst_write_bp(struct spi_flash *flash, u32 offset, size_t len,
+ const void *buf);
#endif
+#ifdef CONFIG_SPI_FLASH_SPANSION
+/* Used for Spansion S25FS-S family flash only. */
+#define CMD_SPANSION_RDAR 0x65 /* Read any device register */
+#define CMD_SPANSION_WRAR 0x71 /* Write any device register */
+#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;
+};
+
+extern const struct spi_flash_params spi_flash_params_table[];
+
/* 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);
+/* Lock stmicro spi flash region */
+int stm_lock(struct spi_flash *flash, u32 ofs, size_t len);
-/* Program the status register */
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws);
+/* Unlock stmicro spi flash region */
+int stm_unlock(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);
+/* Check if a stmicro spi flash region is completely locked */
+int stm_is_locked(struct spi_flash *flash, u32 ofs, size_t len);
/* 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
int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
size_t len, void *data);
+#ifdef CONFIG_SPI_FLASH_MTD
+int spi_flash_mtd_register(struct spi_flash *flash);
+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