| /* |
| * SPI flash internal definitions |
| * |
| * Copyright (C) 2008 Atmel Corporation |
| */ |
| |
| /* Common parameters */ |
| #define SPI_FLASH_PROG_TIMEOUT ((10 * CONFIG_SYS_HZ) / 1000) |
| #define SPI_FLASH_PAGE_ERASE_TIMEOUT ((50 * CONFIG_SYS_HZ) / 1000) |
| #define SPI_FLASH_SECTOR_ERASE_TIMEOUT (10 * CONFIG_SYS_HZ) |
| |
| /* Common commands */ |
| #define CMD_READ_ID 0x9f |
| |
| #define CMD_READ_ARRAY_SLOW 0x03 |
| #define CMD_READ_ARRAY_FAST 0x0b |
| #define CMD_READ_ARRAY_LEGACY 0xe8 |
| |
| /* 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); |
| |
| /* |
| * Send a multi-byte command to the device and read the response. Used |
| * for flash array reads, etc. |
| */ |
| int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd, |
| size_t cmd_len, void *data, size_t data_len); |
| |
| /* |
| * Send a multi-byte command to the device followed by (optional) |
| * data. Used for programming the flash array, etc. |
| */ |
| int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len, |
| const void *data, size_t data_len); |
| |
| /* |
| * Same as spi_flash_cmd_read() except it also claims/releases the SPI |
| * bus. Used as common part of the ->read() operation. |
| */ |
| int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd, |
| size_t cmd_len, void *data, size_t data_len); |
| |
| /* Manufacturer-specific probe functions */ |
| struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode); |
| struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode); |
| struct spi_flash *spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode); |
| struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 *idcode); |