| /* | |
| * 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 */ |