1f18dbbb1SShiraz Hashim /* 2f18dbbb1SShiraz Hashim * Copyright © 2010 ST Microelectronics 3*9cc23682SViresh Kumar * Shiraz Hashim <shiraz.linux.kernel@gmail.com> 4f18dbbb1SShiraz Hashim * 5f18dbbb1SShiraz Hashim * This file is licensed under the terms of the GNU General Public 6f18dbbb1SShiraz Hashim * License version 2. This program is licensed "as is" without any 7f18dbbb1SShiraz Hashim * warranty of any kind, whether express or implied. 8f18dbbb1SShiraz Hashim */ 9f18dbbb1SShiraz Hashim 10f18dbbb1SShiraz Hashim #ifndef __MTD_SPEAR_SMI_H 11f18dbbb1SShiraz Hashim #define __MTD_SPEAR_SMI_H 12f18dbbb1SShiraz Hashim 13f18dbbb1SShiraz Hashim #include <linux/types.h> 14f18dbbb1SShiraz Hashim #include <linux/mtd/mtd.h> 15f18dbbb1SShiraz Hashim #include <linux/mtd/partitions.h> 16f18dbbb1SShiraz Hashim #include <linux/platform_device.h> 176551ab5dSStefan Roese #include <linux/of.h> 186551ab5dSStefan Roese 196551ab5dSStefan Roese /* max possible slots for serial-nor flash chip in the SMI controller */ 206551ab5dSStefan Roese #define MAX_NUM_FLASH_CHIP 4 21f18dbbb1SShiraz Hashim 22f18dbbb1SShiraz Hashim /* macro to define partitions for flash devices */ 23f18dbbb1SShiraz Hashim #define DEFINE_PARTS(n, of, s) \ 24f18dbbb1SShiraz Hashim { \ 25f18dbbb1SShiraz Hashim .name = n, \ 26f18dbbb1SShiraz Hashim .offset = of, \ 27f18dbbb1SShiraz Hashim .size = s, \ 28f18dbbb1SShiraz Hashim } 29f18dbbb1SShiraz Hashim 30f18dbbb1SShiraz Hashim /** 31f18dbbb1SShiraz Hashim * struct spear_smi_flash_info - platform structure for passing flash 32f18dbbb1SShiraz Hashim * information 33f18dbbb1SShiraz Hashim * 34f18dbbb1SShiraz Hashim * name: name of the serial nor flash for identification 35f18dbbb1SShiraz Hashim * mem_base: the memory base on which the flash is mapped 36f18dbbb1SShiraz Hashim * size: size of the flash in bytes 37f18dbbb1SShiraz Hashim * partitions: parition details 38f18dbbb1SShiraz Hashim * nr_partitions: number of partitions 39f18dbbb1SShiraz Hashim * fast_mode: whether flash supports fast mode 40f18dbbb1SShiraz Hashim */ 41f18dbbb1SShiraz Hashim 42f18dbbb1SShiraz Hashim struct spear_smi_flash_info { 43f18dbbb1SShiraz Hashim char *name; 44f18dbbb1SShiraz Hashim unsigned long mem_base; 45f18dbbb1SShiraz Hashim unsigned long size; 46f18dbbb1SShiraz Hashim struct mtd_partition *partitions; 47f18dbbb1SShiraz Hashim int nr_partitions; 48f18dbbb1SShiraz Hashim u8 fast_mode; 49f18dbbb1SShiraz Hashim }; 50f18dbbb1SShiraz Hashim 51f18dbbb1SShiraz Hashim /** 52f18dbbb1SShiraz Hashim * struct spear_smi_plat_data - platform structure for configuring smi 53f18dbbb1SShiraz Hashim * 54f18dbbb1SShiraz Hashim * clk_rate: clk rate at which SMI must operate 55f18dbbb1SShiraz Hashim * num_flashes: number of flashes present on board 56f18dbbb1SShiraz Hashim * board_flash_info: specific details of each flash present on board 57f18dbbb1SShiraz Hashim */ 58f18dbbb1SShiraz Hashim struct spear_smi_plat_data { 59f18dbbb1SShiraz Hashim unsigned long clk_rate; 60f18dbbb1SShiraz Hashim int num_flashes; 61f18dbbb1SShiraz Hashim struct spear_smi_flash_info *board_flash_info; 626551ab5dSStefan Roese struct device_node *np[MAX_NUM_FLASH_CHIP]; 63f18dbbb1SShiraz Hashim }; 64f18dbbb1SShiraz Hashim 65f18dbbb1SShiraz Hashim #endif /* __MTD_SPEAR_SMI_H */ 66