| Shiraz Hashim | f18dbbb | 2012-01-12 14:38:57 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright © 2010 ST Microelectronics |
| 3 | * Shiraz Hashim <shiraz.hashim@st.com> |
| 4 | * |
| 5 | * This file is licensed under the terms of the GNU General Public |
| 6 | * License version 2. This program is licensed "as is" without any |
| 7 | * warranty of any kind, whether express or implied. |
| 8 | */ |
| 9 | |
| 10 | #ifndef __MTD_SPEAR_SMI_H |
| 11 | #define __MTD_SPEAR_SMI_H |
| 12 | |
| 13 | #include <linux/types.h> |
| 14 | #include <linux/mtd/mtd.h> |
| 15 | #include <linux/mtd/partitions.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | |
| 18 | /* macro to define partitions for flash devices */ |
| 19 | #define DEFINE_PARTS(n, of, s) \ |
| 20 | { \ |
| 21 | .name = n, \ |
| 22 | .offset = of, \ |
| 23 | .size = s, \ |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * struct spear_smi_flash_info - platform structure for passing flash |
| 28 | * information |
| 29 | * |
| 30 | * name: name of the serial nor flash for identification |
| 31 | * mem_base: the memory base on which the flash is mapped |
| 32 | * size: size of the flash in bytes |
| 33 | * partitions: parition details |
| 34 | * nr_partitions: number of partitions |
| 35 | * fast_mode: whether flash supports fast mode |
| 36 | */ |
| 37 | |
| 38 | struct spear_smi_flash_info { |
| 39 | char *name; |
| 40 | unsigned long mem_base; |
| 41 | unsigned long size; |
| 42 | struct mtd_partition *partitions; |
| 43 | int nr_partitions; |
| 44 | u8 fast_mode; |
| 45 | }; |
| 46 | |
| 47 | /** |
| 48 | * struct spear_smi_plat_data - platform structure for configuring smi |
| 49 | * |
| 50 | * clk_rate: clk rate at which SMI must operate |
| 51 | * num_flashes: number of flashes present on board |
| 52 | * board_flash_info: specific details of each flash present on board |
| 53 | */ |
| 54 | struct spear_smi_plat_data { |
| 55 | unsigned long clk_rate; |
| 56 | int num_flashes; |
| 57 | struct spear_smi_flash_info *board_flash_info; |
| 58 | }; |
| 59 | |
| 60 | #endif /* __MTD_SPEAR_SMI_H */ |