2 * SPI flash internal definitions
4 * Copyright (C) 2008 Atmel Corporation
7 /* Common parameters */
8 #define SPI_FLASH_PROG_TIMEOUT ((10 * CONFIG_SYS_HZ) / 1000)
9 #define SPI_FLASH_PAGE_ERASE_TIMEOUT ((50 * CONFIG_SYS_HZ) / 1000)
10 #define SPI_FLASH_SECTOR_ERASE_TIMEOUT (10 * CONFIG_SYS_HZ)
13 #define CMD_READ_ID 0x9f
15 #define CMD_READ_ARRAY_SLOW 0x03
16 #define CMD_READ_ARRAY_FAST 0x0b
17 #define CMD_READ_ARRAY_LEGACY 0xe8
19 /* Send a single-byte command to the device and read the response */
20 int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len);
23 * Send a multi-byte command to the device and read the response. Used
24 * for flash array reads, etc.
26 int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd,
27 size_t cmd_len, void *data, size_t data_len);
30 * Send a multi-byte command to the device followed by (optional)
31 * data. Used for programming the flash array, etc.
33 int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
34 const void *data, size_t data_len);
37 * Same as spi_flash_cmd_read() except it also claims/releases the SPI
38 * bus. Used as common part of the ->read() operation.
40 int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
41 size_t cmd_len, void *data, size_t data_len);
43 /* Manufacturer-specific probe functions */
44 struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode);
45 struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode);
46 struct spi_flash *spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode);
47 struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode);