* Copyright (C) 2008 Atmel Corporation
* Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
*
- * Licensed under the GPL-2 or later.
+ * SPDX-License-Identifier: GPL-2.0+
*/
-#ifndef _SPI_FLASH_INTERNAL_H_
-#define _SPI_FLASH_INTERNAL_H_
-
+#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 = 1 << 0,
+ SF_DUAL_PARALLEL_FLASH = 1 << 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 {
+ SECT_4K = 1 << 0,
+ 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)
+
+#define SPI_FLASH_3B_ADDR_LEN 3
+#define SPI_FLASH_CMD_LEN (1 + SPI_FLASH_3B_ADDR_LEN)
#define SPI_FLASH_16MB_BOUN 0x1000000
-/* SECT flags */
-#define SECT_4K (1 << 1)
-#define SECT_32K (1 << 2)
-#define E_FSR (1 << 3)
+/* CFI Manufacture ID's */
+#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_WINBOND 0xef
/* Erase commands */
#define CMD_ERASE_4K 0x20
#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
/* Read commands */
#define CMD_READ_ARRAY_SLOW 0x03
#define CMD_READ_ARRAY_FAST 0x0b
+#define CMD_READ_DUAL_OUTPUT_FAST 0x3b
+#define CMD_READ_DUAL_IO_FAST 0xbb
+#define CMD_READ_QUAD_OUTPUT_FAST 0x6b
+#define CMD_READ_QUAD_IO_FAST 0xeb
#define CMD_READ_ID 0x9f
/* Bank addr access commands */
#endif
/* Common status */
-#define STATUS_WIP 0x01
-#define STATUS_PEC 0x80
+#define STATUS_WIP (1 << 0)
+#define STATUS_QEB_WINSPAN (1 << 1)
+#define STATUS_QEB_MXIC (1 << 6)
+#define STATUS_PEC (1 << 7)
/* 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
+/**
+ * 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);
+
/* Program the status register */
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 sr);
+int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws);
+
+/* Read the config register */
+int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc);
-/* Set quad enbale bit */
-int spi_flash_set_qeb(struct spi_flash *flash);
+/* 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)
int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
size_t len, void *data);
-#endif /* _SPI_FLASH_INTERNAL_H_ */
+#ifdef CONFIG_SPI_FLASH_MTD
+int spi_flash_mtd_register(struct spi_flash *flash);
+void spi_flash_mtd_unregister(void);
+#endif
+
+#endif /* _SF_INTERNAL_H_ */
projects / oweals / u-boot.git / blobdiff