1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef __LINUX_MTD_MAP_H__ 13 #define __LINUX_MTD_MAP_H__ 14 15 #include <linux/types.h> 16 #include <linux/list.h> 17 #include <linux/string.h> 18 19 #include <linux/mtd/compatmac.h> 20 21 #include <asm/unaligned.h> 22 #include <asm/system.h> 23 #include <asm/io.h> 24 25 #define map_bankwidth_is_1(map) (0) 26 27 #define map_bankwidth_is_2(map) (0) 28 29 #define map_bankwidth_is_4(map) (0) 30 31 #define map_calc_words(map) ((map_bankwidth(map) + (sizeof(unsigned long)-1))/ sizeof(unsigned long)) 32 33 #define map_bankwidth_is_8(map) (0) 34 35 #define map_bankwidth_is_16(map) (0) 36 37 #define map_bankwidth_is_32(map) (0) 38 39 #ifndef map_bankwidth 40 #error "No bus width supported. What's the point?" 41 #endif 42 43 #define MAX_MAP_LONGS ( ((MAX_MAP_BANKWIDTH*8) + BITS_PER_LONG - 1) / BITS_PER_LONG ) 44 45 struct map_info { 46 char *name; 47 unsigned long size; 48 unsigned long phys; 49 #define NO_XIP (-1UL) 50 51 void __iomem *virt; 52 void *cached; 53 54 int bankwidth; 55 56 void (*inval_cache)(struct map_info *, unsigned long, ssize_t); 57 58 void (*set_vpp)(struct map_info *, int); 59 60 unsigned long map_priv_1; 61 unsigned long map_priv_2; 62 void *fldrv_priv; 63 struct mtd_chip_driver *fldrv; 64 }; 65 66 struct mtd_chip_driver { 67 struct mtd_info *(*probe)(struct map_info *map); 68 void (*destroy)(struct mtd_info *); 69 struct module *module; 70 char *name; 71 struct list_head list; 72 }; 73 74 struct mtd_info *do_map_probe(const char *name, struct map_info *map); 75 76 #define ENABLE_VPP(map) do { if(map->set_vpp) map->set_vpp(map, 1); } while(0) 77 #define DISABLE_VPP(map) do { if(map->set_vpp) map->set_vpp(map, 0); } while(0) 78 79 #define INVALIDATE_CACHED_RANGE(map, from, size) do { if(map->inval_cache) map->inval_cache(map, from, size); } while(0) 80 81 #define map_word_andequal(m, a, b, z) map_word_equal(m, z, map_word_and(m, a, b)) 82 #if BITS_PER_LONG >= 64 83 #endif 84 #ifdef __LITTLE_ENDIAN 85 #else 86 #endif 87 #if BITS_PER_LONG < 64 88 #define MAP_FF_LIMIT 4 89 #else 90 #define MAP_FF_LIMIT 8 91 #endif 92 #if BITS_PER_LONG >= 64 93 #endif 94 #if BITS_PER_LONG >= 64 95 #endif 96 #define map_read(map, ofs) inline_map_read(map, ofs) 97 #define map_copy_from(map, to, from, len) inline_map_copy_from(map, to, from, len) 98 #define map_write(map, datum, ofs) inline_map_write(map, datum, ofs) 99 #define map_copy_to(map, to, from, len) inline_map_copy_to(map, to, from, len) 100 #define simple_map_init(map) BUG_ON(!map_bankwidth_supported((map)->bankwidth)) 101 #define map_is_linear(map) ({ (void)(map); 1; }) 102 #endif 103