/* * Copyright © 2010 ST Microelectronics * Shiraz Hashim <shiraz.linux.kernel@gmail.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #ifndef __MTD_SPEAR_SMI_H #define __MTD_SPEAR_SMI_H #include <linux/types.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/platform_device.h> #include <linux/of.h> /* max possible slots for serial-nor flash chip in the SMI controller */ #define MAX_NUM_FLASH_CHIP 4 /* macro to define partitions for flash devices */ #define DEFINE_PARTS(n, of, s) \ { \ .name = n, \ .offset = of, \ .size = s, \ } /** * struct spear_smi_flash_info - platform structure for passing flash * information * * name: name of the serial nor flash for identification * mem_base: the memory base on which the flash is mapped * size: size of the flash in bytes * partitions: parition details * nr_partitions: number of partitions * fast_mode: whether flash supports fast mode */ struct spear_smi_flash_info { char *name; unsigned long mem_base; unsigned long size; struct mtd_partition *partitions; int nr_partitions; u8 fast_mode; }; /** * struct spear_smi_plat_data - platform structure for configuring smi * * clk_rate: clk rate at which SMI must operate * num_flashes: number of flashes present on board * board_flash_info: specific details of each flash present on board */ struct spear_smi_plat_data { unsigned long clk_rate; int num_flashes; struct spear_smi_flash_info *board_flash_info; struct device_node *np[MAX_NUM_FLASH_CHIP]; }; #endif /* __MTD_SPEAR_SMI_H */