X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fmtd%2Fspi%2Fsf_internal.h;h=9fb555707cdeca8ca2c4e56e204053210a48d76a;hb=84d31b3b8f2f2134e1534354cba82ca8cb671962;hp=12d02f9e4169027b7641c50363bbae6597c4be0e;hpb=968294bd7b9b540f53c1fb3c809da464623a4362;p=u-boot diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index 12d02f9e41..9fb555707c 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -4,18 +4,58 @@ * 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 +#include + +/* 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 @@ -28,6 +68,8 @@ #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 @@ -35,6 +77,10 @@ /* 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 */ @@ -46,8 +92,10 @@ #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) @@ -56,14 +104,39 @@ /* 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); @@ -85,11 +158,17 @@ int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_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) @@ -139,4 +218,9 @@ int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, 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_ */