1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright © 2010 ST Microelectronics 3*4882a593Smuzhiyun * Shiraz Hashim <shiraz.linux.kernel@gmail.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * This file is licensed under the terms of the GNU General Public 6*4882a593Smuzhiyun * License version 2. This program is licensed "as is" without any 7*4882a593Smuzhiyun * warranty of any kind, whether express or implied. 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __MTD_SPEAR_SMI_H 11*4882a593Smuzhiyun #define __MTD_SPEAR_SMI_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/types.h> 14*4882a593Smuzhiyun #include <linux/mtd/mtd.h> 15*4882a593Smuzhiyun #include <linux/mtd/partitions.h> 16*4882a593Smuzhiyun #include <linux/platform_device.h> 17*4882a593Smuzhiyun #include <linux/of.h> 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* max possible slots for serial-nor flash chip in the SMI controller */ 20*4882a593Smuzhiyun #define MAX_NUM_FLASH_CHIP 4 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* macro to define partitions for flash devices */ 23*4882a593Smuzhiyun #define DEFINE_PARTS(n, of, s) \ 24*4882a593Smuzhiyun { \ 25*4882a593Smuzhiyun .name = n, \ 26*4882a593Smuzhiyun .offset = of, \ 27*4882a593Smuzhiyun .size = s, \ 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun /** 31*4882a593Smuzhiyun * struct spear_smi_flash_info - platform structure for passing flash 32*4882a593Smuzhiyun * information 33*4882a593Smuzhiyun * 34*4882a593Smuzhiyun * name: name of the serial nor flash for identification 35*4882a593Smuzhiyun * mem_base: the memory base on which the flash is mapped 36*4882a593Smuzhiyun * size: size of the flash in bytes 37*4882a593Smuzhiyun * partitions: parition details 38*4882a593Smuzhiyun * nr_partitions: number of partitions 39*4882a593Smuzhiyun * fast_mode: whether flash supports fast mode 40*4882a593Smuzhiyun */ 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun struct spear_smi_flash_info { 43*4882a593Smuzhiyun char *name; 44*4882a593Smuzhiyun unsigned long mem_base; 45*4882a593Smuzhiyun unsigned long size; 46*4882a593Smuzhiyun struct mtd_partition *partitions; 47*4882a593Smuzhiyun int nr_partitions; 48*4882a593Smuzhiyun u8 fast_mode; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /** 52*4882a593Smuzhiyun * struct spear_smi_plat_data - platform structure for configuring smi 53*4882a593Smuzhiyun * 54*4882a593Smuzhiyun * clk_rate: clk rate at which SMI must operate 55*4882a593Smuzhiyun * num_flashes: number of flashes present on board 56*4882a593Smuzhiyun * board_flash_info: specific details of each flash present on board 57*4882a593Smuzhiyun */ 58*4882a593Smuzhiyun struct spear_smi_plat_data { 59*4882a593Smuzhiyun unsigned long clk_rate; 60*4882a593Smuzhiyun int num_flashes; 61*4882a593Smuzhiyun struct spear_smi_flash_info *board_flash_info; 62*4882a593Smuzhiyun struct device_node *np[MAX_NUM_FLASH_CHIP]; 63*4882a593Smuzhiyun }; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun #endif /* __MTD_SPEAR_SMI_H */ 66