| /* |
| * Copyright © 2010 ST Microelectronics |
| * Shiraz Hashim <[email protected]> |
| * |
| * 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 */ |
