* Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> *
* Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> *
* Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
+ * Copyright (C) 2010 by Antonio Borneo <borneo.antonio@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* CMD_ARGV[2] = baseaddress
* CMD_ARGV[3] = lengthbytes
* CMD_ARGV[4] = chip_width_in bytes
- * CMD_ARGV[5] = bus_width_bytes
+ * CMD_ARGV[5] = bus_width_in_bytes
* CMD_ARGV[6] = driver-specific parameters
* @endcode
*
- * For example, CMD_ARGV[4] = 16 bit flash, CMD_ARGV[5] = 32bit bus.
+ * For example, CMD_ARGV[4] = 2 (for 16 bit flash),
+ * CMD_ARGV[5] = 4 (for 32 bit bus).
*
* If extra arguments are provided (@a CMD_ARGC > 6), they will
* start in @a CMD_ARGV[6]. These can be used to implement
int (*write)(struct flash_bank *bank,
uint8_t *buffer, uint32_t offset, uint32_t count);
+ /**
+ * Read data from the flash. Note CPU address will be
+ * "bank->base + offset", while the physical address is
+ * dependent upon current target MMU mappings.
+ *
+ * @param bank The bank to read.
+ * @param buffer The data bytes read.
+ * @param offset The offset into the chip to read.
+ * @param count The number of bytes to read.
+ * @returns ERROR_OK if successful; otherwise, an error code.
+ */
+ int (*read)(struct flash_bank *bank,
+ uint8_t *buffer, uint32_t offset, uint32_t count);
+
/**
* Probe to determine what kind of flash is present.
* This is invoked by the "probe" script command.