aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/chips/Kconfig22
-rw-r--r--drivers/mtd/chips/Makefile4
-rw-r--r--drivers/mtd/chips/amd_flash.c80
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c150
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0002.c130
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0020.c172
-rw-r--r--drivers/mtd/chips/cfi_probe.c98
-rw-r--r--drivers/mtd/chips/cfi_util.c16
-rw-r--r--drivers/mtd/chips/chipreg.c6
-rw-r--r--drivers/mtd/chips/fwh_lock.h6
-rw-r--r--drivers/mtd/chips/gen_probe.c32
-rw-r--r--drivers/mtd/chips/jedec.c206
-rw-r--r--drivers/mtd/chips/jedec_probe.c48
-rw-r--r--drivers/mtd/chips/map_absent.c8
-rw-r--r--drivers/mtd/chips/sharp.c8
15 files changed, 493 insertions, 493 deletions
diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index df95d2158b16..eafa23f5cbd6 100644
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -1,5 +1,5 @@
1# drivers/mtd/chips/Kconfig 1# drivers/mtd/chips/Kconfig
2# $Id: Kconfig,v 1.15 2005/06/06 23:04:35 tpoynor Exp $ 2# $Id: Kconfig,v 1.18 2005/11/07 11:14:22 gleixner Exp $
3 3
4menu "RAM/ROM/Flash chip drivers" 4menu "RAM/ROM/Flash chip drivers"
5 depends on MTD!=n 5 depends on MTD!=n
@@ -39,7 +39,7 @@ config MTD_CFI_ADV_OPTIONS
39 If you need to specify a specific endianness for access to flash 39 If you need to specify a specific endianness for access to flash
40 chips, or if you wish to reduce the size of the kernel by including 40 chips, or if you wish to reduce the size of the kernel by including
41 support for only specific arrangements of flash chips, say 'Y'. This 41 support for only specific arrangements of flash chips, say 'Y'. This
42 option does not directly affect the code, but will enable other 42 option does not directly affect the code, but will enable other
43 configuration options which allow you to do so. 43 configuration options which allow you to do so.
44 44
45 If unsure, say 'N'. 45 If unsure, say 'N'.
@@ -56,7 +56,7 @@ config MTD_CFI_NOSWAP
56 data bits when writing the 'magic' commands to the chips. Saying 56 data bits when writing the 'magic' commands to the chips. Saying
57 'NO', which is the default when CONFIG_MTD_CFI_ADV_OPTIONS isn't 57 'NO', which is the default when CONFIG_MTD_CFI_ADV_OPTIONS isn't
58 enabled, means that the CPU will not do any swapping; the chips 58 enabled, means that the CPU will not do any swapping; the chips
59 are expected to be wired to the CPU in 'host-endian' form. 59 are expected to be wired to the CPU in 'host-endian' form.
60 Specific arrangements are possible with the BIG_ENDIAN_BYTE and 60 Specific arrangements are possible with the BIG_ENDIAN_BYTE and
61 LITTLE_ENDIAN_BYTE, if the bytes are reversed. 61 LITTLE_ENDIAN_BYTE, if the bytes are reversed.
62 62
@@ -79,10 +79,10 @@ config MTD_CFI_GEOMETRY
79 bool "Specific CFI Flash geometry selection" 79 bool "Specific CFI Flash geometry selection"
80 depends on MTD_CFI_ADV_OPTIONS 80 depends on MTD_CFI_ADV_OPTIONS
81 help 81 help
82 This option does not affect the code directly, but will enable 82 This option does not affect the code directly, but will enable
83 some other configuration options which would allow you to reduce 83 some other configuration options which would allow you to reduce
84 the size of the kernel by including support for only certain 84 the size of the kernel by including support for only certain
85 arrangements of CFI chips. If unsure, say 'N' and all options 85 arrangements of CFI chips. If unsure, say 'N' and all options
86 which are supported by the current code will be enabled. 86 which are supported by the current code will be enabled.
87 87
88config MTD_MAP_BANK_WIDTH_1 88config MTD_MAP_BANK_WIDTH_1
@@ -197,7 +197,7 @@ config MTD_CFI_AMDSTD
197 help 197 help
198 The Common Flash Interface defines a number of different command 198 The Common Flash Interface defines a number of different command
199 sets which a CFI-compliant chip may claim to implement. This code 199 sets which a CFI-compliant chip may claim to implement. This code
200 provides support for one of those command sets, used on chips 200 provides support for one of those command sets, used on chips
201 including the AMD Am29LV320. 201 including the AMD Am29LV320.
202 202
203config MTD_CFI_AMDSTD_RETRY 203config MTD_CFI_AMDSTD_RETRY
@@ -237,14 +237,14 @@ config MTD_RAM
237 tristate "Support for RAM chips in bus mapping" 237 tristate "Support for RAM chips in bus mapping"
238 depends on MTD 238 depends on MTD
239 help 239 help
240 This option enables basic support for RAM chips accessed through 240 This option enables basic support for RAM chips accessed through
241 a bus mapping driver. 241 a bus mapping driver.
242 242
243config MTD_ROM 243config MTD_ROM
244 tristate "Support for ROM chips in bus mapping" 244 tristate "Support for ROM chips in bus mapping"
245 depends on MTD 245 depends on MTD
246 help 246 help
247 This option enables basic support for ROM chips accessed through 247 This option enables basic support for ROM chips accessed through
248 a bus mapping driver. 248 a bus mapping driver.
249 249
250config MTD_ABSENT 250config MTD_ABSENT
@@ -275,7 +275,7 @@ config MTD_AMDSTD
275 depends on MTD && MTD_OBSOLETE_CHIPS 275 depends on MTD && MTD_OBSOLETE_CHIPS
276 help 276 help
277 This option enables support for flash chips using AMD-compatible 277 This option enables support for flash chips using AMD-compatible
278 commands, including some which are not CFI-compatible and hence 278 commands, including some which are not CFI-compatible and hence
279 cannot be used with the CONFIG_MTD_CFI_AMDSTD option. 279 cannot be used with the CONFIG_MTD_CFI_AMDSTD option.
280 280
281 It also works on AMD compatible chips that do conform to CFI. 281 It also works on AMD compatible chips that do conform to CFI.
@@ -285,7 +285,7 @@ config MTD_SHARP
285 depends on MTD && MTD_OBSOLETE_CHIPS 285 depends on MTD && MTD_OBSOLETE_CHIPS
286 help 286 help
287 This option enables support for flash chips using Sharp-compatible 287 This option enables support for flash chips using Sharp-compatible
288 commands, including some which are not CFI-compatible and hence 288 commands, including some which are not CFI-compatible and hence
289 cannot be used with the CONFIG_MTD_CFI_INTELxxx options. 289 cannot be used with the CONFIG_MTD_CFI_INTELxxx options.
290 290
291config MTD_JEDEC 291config MTD_JEDEC
diff --git a/drivers/mtd/chips/Makefile b/drivers/mtd/chips/Makefile
index 6830489828c6..8afe3092c4e3 100644
--- a/drivers/mtd/chips/Makefile
+++ b/drivers/mtd/chips/Makefile
@@ -1,7 +1,7 @@
1# 1#
2# linux/drivers/chips/Makefile 2# linux/drivers/chips/Makefile
3# 3#
4# $Id: Makefile.common,v 1.4 2004/07/12 16:07:30 dwmw2 Exp $ 4# $Id: Makefile.common,v 1.5 2005/11/07 11:14:22 gleixner Exp $
5 5
6# *** BIG UGLY NOTE *** 6# *** BIG UGLY NOTE ***
7# 7#
@@ -11,7 +11,7 @@
11# the CFI command set drivers are linked before gen_probe.o 11# the CFI command set drivers are linked before gen_probe.o
12 12
13obj-$(CONFIG_MTD) += chipreg.o 13obj-$(CONFIG_MTD) += chipreg.o
14obj-$(CONFIG_MTD_AMDSTD) += amd_flash.o 14obj-$(CONFIG_MTD_AMDSTD) += amd_flash.o
15obj-$(CONFIG_MTD_CFI) += cfi_probe.o 15obj-$(CONFIG_MTD_CFI) += cfi_probe.o
16obj-$(CONFIG_MTD_CFI_UTIL) += cfi_util.o 16obj-$(CONFIG_MTD_CFI_UTIL) += cfi_util.o
17obj-$(CONFIG_MTD_CFI_STAA) += cfi_cmdset_0020.o 17obj-$(CONFIG_MTD_CFI_STAA) += cfi_cmdset_0020.o
diff --git a/drivers/mtd/chips/amd_flash.c b/drivers/mtd/chips/amd_flash.c
index 2dafeba3f3d5..fdb91b6f1d97 100644
--- a/drivers/mtd/chips/amd_flash.c
+++ b/drivers/mtd/chips/amd_flash.c
@@ -3,7 +3,7 @@
3 * 3 *
4 * Author: Jonas Holmberg <jonas.holmberg@axis.com> 4 * Author: Jonas Holmberg <jonas.holmberg@axis.com>
5 * 5 *
6 * $Id: amd_flash.c,v 1.27 2005/02/04 07:43:09 jonashg Exp $ 6 * $Id: amd_flash.c,v 1.28 2005/11/07 11:14:22 gleixner Exp $
7 * 7 *
8 * Copyright (c) 2001 Axis Communications AB 8 * Copyright (c) 2001 Axis Communications AB
9 * 9 *
@@ -93,9 +93,9 @@
93#define D6_MASK 0x40 93#define D6_MASK 0x40
94 94
95struct amd_flash_private { 95struct amd_flash_private {
96 int device_type; 96 int device_type;
97 int interleave; 97 int interleave;
98 int numchips; 98 int numchips;
99 unsigned long chipshift; 99 unsigned long chipshift;
100// const char *im_name; 100// const char *im_name;
101 struct flchip chips[0]; 101 struct flchip chips[0];
@@ -253,7 +253,7 @@ static int amd_flash_do_unlock(struct mtd_info *mtd, loff_t ofs, size_t len,
253 int i; 253 int i;
254 int retval = 0; 254 int retval = 0;
255 int lock_status; 255 int lock_status;
256 256
257 map = mtd->priv; 257 map = mtd->priv;
258 258
259 /* Pass the whole chip through sector by sector and check for each 259 /* Pass the whole chip through sector by sector and check for each
@@ -273,7 +273,7 @@ static int amd_flash_do_unlock(struct mtd_info *mtd, loff_t ofs, size_t len,
273 unlock_sector(map, eraseoffset, is_unlock); 273 unlock_sector(map, eraseoffset, is_unlock);
274 274
275 lock_status = is_sector_locked(map, eraseoffset); 275 lock_status = is_sector_locked(map, eraseoffset);
276 276
277 if (is_unlock && lock_status) { 277 if (is_unlock && lock_status) {
278 printk("Cannot unlock sector at address %x length %xx\n", 278 printk("Cannot unlock sector at address %x length %xx\n",
279 eraseoffset, merip->erasesize); 279 eraseoffset, merip->erasesize);
@@ -305,7 +305,7 @@ static int amd_flash_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
305/* 305/*
306 * Reads JEDEC manufacturer ID and device ID and returns the index of the first 306 * Reads JEDEC manufacturer ID and device ID and returns the index of the first
307 * matching table entry (-1 if not found or alias for already found chip). 307 * matching table entry (-1 if not found or alias for already found chip).
308 */ 308 */
309static int probe_new_chip(struct mtd_info *mtd, __u32 base, 309static int probe_new_chip(struct mtd_info *mtd, __u32 base,
310 struct flchip *chips, 310 struct flchip *chips,
311 struct amd_flash_private *private, 311 struct amd_flash_private *private,
@@ -636,7 +636,7 @@ static struct mtd_info *amd_flash_probe(struct map_info *map)
636 { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 }, 636 { .offset = 0x000000, .erasesize = 0x10000, .numblocks = 31 },
637 { .offset = 0x1F0000, .erasesize = 0x02000, .numblocks = 8 } 637 { .offset = 0x1F0000, .erasesize = 0x02000, .numblocks = 8 }
638 } 638 }
639 } 639 }
640 }; 640 };
641 641
642 struct mtd_info *mtd; 642 struct mtd_info *mtd;
@@ -701,7 +701,7 @@ static struct mtd_info *amd_flash_probe(struct map_info *map)
701 701
702 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) * 702 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) *
703 mtd->numeraseregions, GFP_KERNEL); 703 mtd->numeraseregions, GFP_KERNEL);
704 if (!mtd->eraseregions) { 704 if (!mtd->eraseregions) {
705 printk(KERN_WARNING "%s: Failed to allocate " 705 printk(KERN_WARNING "%s: Failed to allocate "
706 "memory for MTD erase region info\n", map->name); 706 "memory for MTD erase region info\n", map->name);
707 kfree(mtd); 707 kfree(mtd);
@@ -739,12 +739,12 @@ static struct mtd_info *amd_flash_probe(struct map_info *map)
739 mtd->type = MTD_NORFLASH; 739 mtd->type = MTD_NORFLASH;
740 mtd->flags = MTD_CAP_NORFLASH; 740 mtd->flags = MTD_CAP_NORFLASH;
741 mtd->name = map->name; 741 mtd->name = map->name;
742 mtd->erase = amd_flash_erase; 742 mtd->erase = amd_flash_erase;
743 mtd->read = amd_flash_read; 743 mtd->read = amd_flash_read;
744 mtd->write = amd_flash_write; 744 mtd->write = amd_flash_write;
745 mtd->sync = amd_flash_sync; 745 mtd->sync = amd_flash_sync;
746 mtd->suspend = amd_flash_suspend; 746 mtd->suspend = amd_flash_suspend;
747 mtd->resume = amd_flash_resume; 747 mtd->resume = amd_flash_resume;
748 mtd->lock = amd_flash_lock; 748 mtd->lock = amd_flash_lock;
749 mtd->unlock = amd_flash_unlock; 749 mtd->unlock = amd_flash_unlock;
750 750
@@ -789,7 +789,7 @@ retry:
789 map->name, chip->state); 789 map->name, chip->state);
790 set_current_state(TASK_UNINTERRUPTIBLE); 790 set_current_state(TASK_UNINTERRUPTIBLE);
791 add_wait_queue(&chip->wq, &wait); 791 add_wait_queue(&chip->wq, &wait);
792 792
793 spin_unlock_bh(chip->mutex); 793 spin_unlock_bh(chip->mutex);
794 794
795 schedule(); 795 schedule();
@@ -802,7 +802,7 @@ retry:
802 timeo = jiffies + HZ; 802 timeo = jiffies + HZ;
803 803
804 goto retry; 804 goto retry;
805 } 805 }
806 806
807 adr += chip->start; 807 adr += chip->start;
808 808
@@ -889,7 +889,7 @@ retry:
889 map->name, chip->state); 889 map->name, chip->state);
890 set_current_state(TASK_UNINTERRUPTIBLE); 890 set_current_state(TASK_UNINTERRUPTIBLE);
891 add_wait_queue(&chip->wq, &wait); 891 add_wait_queue(&chip->wq, &wait);
892 892
893 spin_unlock_bh(chip->mutex); 893 spin_unlock_bh(chip->mutex);
894 894
895 schedule(); 895 schedule();
@@ -901,7 +901,7 @@ retry:
901 timeo = jiffies + HZ; 901 timeo = jiffies + HZ;
902 902
903 goto retry; 903 goto retry;
904 } 904 }
905 905
906 chip->state = FL_WRITING; 906 chip->state = FL_WRITING;
907 907
@@ -911,7 +911,7 @@ retry:
911 wide_write(map, datum, adr); 911 wide_write(map, datum, adr);
912 912
913 times_left = 500000; 913 times_left = 500000;
914 while (times_left-- && flash_is_busy(map, adr, private->interleave)) { 914 while (times_left-- && flash_is_busy(map, adr, private->interleave)) {
915 if (need_resched()) { 915 if (need_resched()) {
916 spin_unlock_bh(chip->mutex); 916 spin_unlock_bh(chip->mutex);
917 schedule(); 917 schedule();
@@ -989,7 +989,7 @@ static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len,
989 if (ret) { 989 if (ret) {
990 return ret; 990 return ret;
991 } 991 }
992 992
993 ofs += n; 993 ofs += n;
994 buf += n; 994 buf += n;
995 (*retlen) += n; 995 (*retlen) += n;
@@ -1002,7 +1002,7 @@ static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len,
1002 } 1002 }
1003 } 1003 }
1004 } 1004 }
1005 1005
1006 /* We are now aligned, write as much as possible. */ 1006 /* We are now aligned, write as much as possible. */
1007 while(len >= map->buswidth) { 1007 while(len >= map->buswidth) {
1008 __u32 datum; 1008 __u32 datum;
@@ -1063,7 +1063,7 @@ static int amd_flash_write(struct mtd_info *mtd, loff_t to , size_t len,
1063 if (ret) { 1063 if (ret) {
1064 return ret; 1064 return ret;
1065 } 1065 }
1066 1066
1067 (*retlen) += n; 1067 (*retlen) += n;
1068 } 1068 }
1069 1069
@@ -1085,7 +1085,7 @@ retry:
1085 if (chip->state != FL_READY){ 1085 if (chip->state != FL_READY){
1086 set_current_state(TASK_UNINTERRUPTIBLE); 1086 set_current_state(TASK_UNINTERRUPTIBLE);
1087 add_wait_queue(&chip->wq, &wait); 1087 add_wait_queue(&chip->wq, &wait);
1088 1088
1089 spin_unlock_bh(chip->mutex); 1089 spin_unlock_bh(chip->mutex);
1090 1090
1091 schedule(); 1091 schedule();
@@ -1098,7 +1098,7 @@ retry:
1098 timeo = jiffies + HZ; 1098 timeo = jiffies + HZ;
1099 1099
1100 goto retry; 1100 goto retry;
1101 } 1101 }
1102 1102
1103 chip->state = FL_ERASING; 1103 chip->state = FL_ERASING;
1104 1104
@@ -1106,30 +1106,30 @@ retry:
1106 ENABLE_VPP(map); 1106 ENABLE_VPP(map);
1107 send_cmd(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA); 1107 send_cmd(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA);
1108 send_cmd_to_addr(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA_2, adr); 1108 send_cmd_to_addr(map, chip->start, CMD_SECTOR_ERASE_UNLOCK_DATA_2, adr);
1109 1109
1110 timeo = jiffies + (HZ * 20); 1110 timeo = jiffies + (HZ * 20);
1111 1111
1112 spin_unlock_bh(chip->mutex); 1112 spin_unlock_bh(chip->mutex);
1113 msleep(1000); 1113 msleep(1000);
1114 spin_lock_bh(chip->mutex); 1114 spin_lock_bh(chip->mutex);
1115 1115
1116 while (flash_is_busy(map, adr, private->interleave)) { 1116 while (flash_is_busy(map, adr, private->interleave)) {
1117 1117
1118 if (chip->state != FL_ERASING) { 1118 if (chip->state != FL_ERASING) {
1119 /* Someone's suspended the erase. Sleep */ 1119 /* Someone's suspended the erase. Sleep */
1120 set_current_state(TASK_UNINTERRUPTIBLE); 1120 set_current_state(TASK_UNINTERRUPTIBLE);
1121 add_wait_queue(&chip->wq, &wait); 1121 add_wait_queue(&chip->wq, &wait);
1122 1122
1123 spin_unlock_bh(chip->mutex); 1123 spin_unlock_bh(chip->mutex);
1124 printk(KERN_INFO "%s: erase suspended. Sleeping\n", 1124 printk(KERN_INFO "%s: erase suspended. Sleeping\n",
1125 map->name); 1125 map->name);
1126 schedule(); 1126 schedule();
1127 remove_wait_queue(&chip->wq, &wait); 1127 remove_wait_queue(&chip->wq, &wait);
1128 1128
1129 if (signal_pending(current)) { 1129 if (signal_pending(current)) {
1130 return -EINTR; 1130 return -EINTR;
1131 } 1131 }
1132 1132
1133 timeo = jiffies + (HZ*2); /* FIXME */ 1133 timeo = jiffies + (HZ*2); /* FIXME */
1134 spin_lock_bh(chip->mutex); 1134 spin_lock_bh(chip->mutex);
1135 continue; 1135 continue;
@@ -1145,7 +1145,7 @@ retry:
1145 1145
1146 return -EIO; 1146 return -EIO;
1147 } 1147 }
1148 1148
1149 /* Latency issues. Drop the lock, wait a while and retry */ 1149 /* Latency issues. Drop the lock, wait a while and retry */
1150 spin_unlock_bh(chip->mutex); 1150 spin_unlock_bh(chip->mutex);
1151 1151
@@ -1153,7 +1153,7 @@ retry:
1153 schedule(); 1153 schedule();
1154 else 1154 else
1155 udelay(1); 1155 udelay(1);
1156 1156
1157 spin_lock_bh(chip->mutex); 1157 spin_lock_bh(chip->mutex);
1158 } 1158 }
1159 1159
@@ -1180,7 +1180,7 @@ retry:
1180 return -EIO; 1180 return -EIO;
1181 } 1181 }
1182 } 1182 }
1183 1183
1184 DISABLE_VPP(map); 1184 DISABLE_VPP(map);
1185 chip->state = FL_READY; 1185 chip->state = FL_READY;
1186 wake_up(&chip->wq); 1186 wake_up(&chip->wq);
@@ -1246,7 +1246,7 @@ static int amd_flash_erase(struct mtd_info *mtd, struct erase_info *instr)
1246 * with the erase region at that address. 1246 * with the erase region at that address.
1247 */ 1247 */
1248 1248
1249 while ((i < mtd->numeraseregions) && 1249 while ((i < mtd->numeraseregions) &&
1250 ((instr->addr + instr->len) >= regions[i].offset)) { 1250 ((instr->addr + instr->len) >= regions[i].offset)) {
1251 i++; 1251 i++;
1252 } 1252 }
@@ -1293,10 +1293,10 @@ static int amd_flash_erase(struct mtd_info *mtd, struct erase_info *instr)
1293 } 1293 }
1294 } 1294 }
1295 } 1295 }
1296 1296
1297 instr->state = MTD_ERASE_DONE; 1297 instr->state = MTD_ERASE_DONE;
1298 mtd_erase_callback(instr); 1298 mtd_erase_callback(instr);
1299 1299
1300 return 0; 1300 return 0;
1301} 1301}
1302 1302
@@ -1324,7 +1324,7 @@ static void amd_flash_sync(struct mtd_info *mtd)
1324 case FL_JEDEC_QUERY: 1324 case FL_JEDEC_QUERY:
1325 chip->oldstate = chip->state; 1325 chip->oldstate = chip->state;
1326 chip->state = FL_SYNCING; 1326 chip->state = FL_SYNCING;
1327 /* No need to wake_up() on this state change - 1327 /* No need to wake_up() on this state change -
1328 * as the whole point is that nobody can do anything 1328 * as the whole point is that nobody can do anything
1329 * with the chip now anyway. 1329 * with the chip now anyway.
1330 */ 1330 */
@@ -1335,13 +1335,13 @@ static void amd_flash_sync(struct mtd_info *mtd)
1335 default: 1335 default:
1336 /* Not an idle state */ 1336 /* Not an idle state */
1337 add_wait_queue(&chip->wq, &wait); 1337 add_wait_queue(&chip->wq, &wait);
1338 1338
1339 spin_unlock_bh(chip->mutex); 1339 spin_unlock_bh(chip->mutex);
1340 1340
1341 schedule(); 1341 schedule();
1342 1342
1343 remove_wait_queue(&chip->wq, &wait); 1343 remove_wait_queue(&chip->wq, &wait);
1344 1344
1345 goto retry; 1345 goto retry;
1346 } 1346 }
1347 } 1347 }
@@ -1351,7 +1351,7 @@ static void amd_flash_sync(struct mtd_info *mtd)
1351 chip = &private->chips[i]; 1351 chip = &private->chips[i];
1352 1352
1353 spin_lock_bh(chip->mutex); 1353 spin_lock_bh(chip->mutex);
1354 1354
1355 if (chip->state == FL_SYNCING) { 1355 if (chip->state == FL_SYNCING) {
1356 chip->state = chip->oldstate; 1356 chip->state = chip->oldstate;
1357 wake_up(&chip->wq); 1357 wake_up(&chip->wq);
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 61a2ec9901e2..e3a5c5d331b4 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,9 +4,9 @@
4 * 4 *
5 * (C) 2000 Red Hat. GPL'd 5 * (C) 2000 Red Hat. GPL'd
6 * 6 *
7 * $Id: cfi_cmdset_0001.c,v 1.184 2005/10/25 20:28:40 nico Exp $ 7 * $Id: cfi_cmdset_0001.c,v 1.185 2005/11/07 11:14:22 gleixner Exp $
8 *
8 * 9 *
9 *
10 * 10/10/2000 Nicolas Pitre <nico@cam.org> 10 * 10/10/2000 Nicolas Pitre <nico@cam.org>
11 * - completely revamped method functions so they are aware and 11 * - completely revamped method functions so they are aware and
12 * independent of the flash geometry (buswidth, interleave, etc.) 12 * independent of the flash geometry (buswidth, interleave, etc.)
@@ -120,17 +120,17 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
120 printk(" - Simultaneous operations: %s\n", extp->FeatureSupport&512?"supported":"unsupported"); 120 printk(" - Simultaneous operations: %s\n", extp->FeatureSupport&512?"supported":"unsupported");
121 printk(" - Extended Flash Array: %s\n", extp->FeatureSupport&1024?"supported":"unsupported"); 121 printk(" - Extended Flash Array: %s\n", extp->FeatureSupport&1024?"supported":"unsupported");
122 for (i=11; i<32; i++) { 122 for (i=11; i<32; i++) {
123 if (extp->FeatureSupport & (1<<i)) 123 if (extp->FeatureSupport & (1<<i))
124 printk(" - Unknown Bit %X: supported\n", i); 124 printk(" - Unknown Bit %X: supported\n", i);
125 } 125 }
126 126
127 printk(" Supported functions after Suspend: %2.2X\n", extp->SuspendCmdSupport); 127 printk(" Supported functions after Suspend: %2.2X\n", extp->SuspendCmdSupport);
128 printk(" - Program after Erase Suspend: %s\n", extp->SuspendCmdSupport&1?"supported":"unsupported"); 128 printk(" - Program after Erase Suspend: %s\n", extp->SuspendCmdSupport&1?"supported":"unsupported");
129 for (i=1; i<8; i++) { 129 for (i=1; i<8; i++) {
130 if (extp->SuspendCmdSupport & (1<<i)) 130 if (extp->SuspendCmdSupport & (1<<i))
131 printk(" - Unknown Bit %X: supported\n", i); 131 printk(" - Unknown Bit %X: supported\n", i);
132 } 132 }
133 133
134 printk(" Block Status Register Mask: %4.4X\n", extp->BlkStatusRegMask); 134 printk(" Block Status Register Mask: %4.4X\n", extp->BlkStatusRegMask);
135 printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no"); 135 printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no");
136 printk(" - Lock-Down Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no"); 136 printk(" - Lock-Down Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no");
@@ -145,16 +145,16 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
145 printk(" - Unknown Bit %X Active: yes\n",i); 145 printk(" - Unknown Bit %X Active: yes\n",i);
146 } 146 }
147 147
148 printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n", 148 printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n",
149 extp->VccOptimal >> 4, extp->VccOptimal & 0xf); 149 extp->VccOptimal >> 4, extp->VccOptimal & 0xf);
150 if (extp->VppOptimal) 150 if (extp->VppOptimal)
151 printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n", 151 printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n",
152 extp->VppOptimal >> 4, extp->VppOptimal & 0xf); 152 extp->VppOptimal >> 4, extp->VppOptimal & 0xf);
153} 153}
154#endif 154#endif
155 155
156#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE 156#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
157/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ 157/* Some Intel Strata Flash prior to FPO revision C has bugs in this area */
158static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) 158static void fixup_intel_strataflash(struct mtd_info *mtd, void* param)
159{ 159{
160 struct map_info *map = mtd->priv; 160 struct map_info *map = mtd->priv;
@@ -185,7 +185,7 @@ static void fixup_st_m28w320ct(struct mtd_info *mtd, void* param)
185{ 185{
186 struct map_info *map = mtd->priv; 186 struct map_info *map = mtd->priv;
187 struct cfi_private *cfi = map->fldrv_priv; 187 struct cfi_private *cfi = map->fldrv_priv;
188 188
189 cfi->cfiq->BufWriteTimeoutTyp = 0; /* Not supported */ 189 cfi->cfiq->BufWriteTimeoutTyp = 0; /* Not supported */
190 cfi->cfiq->BufWriteTimeoutMax = 0; /* Not supported */ 190 cfi->cfiq->BufWriteTimeoutMax = 0; /* Not supported */
191} 191}
@@ -194,7 +194,7 @@ static void fixup_st_m28w320cb(struct mtd_info *mtd, void* param)
194{ 194{
195 struct map_info *map = mtd->priv; 195 struct map_info *map = mtd->priv;
196 struct cfi_private *cfi = map->fldrv_priv; 196 struct cfi_private *cfi = map->fldrv_priv;
197 197
198 /* Note this is done after the region info is endian swapped */ 198 /* Note this is done after the region info is endian swapped */
199 cfi->cfiq->EraseRegionInfo[1] = 199 cfi->cfiq->EraseRegionInfo[1] =
200 (cfi->cfiq->EraseRegionInfo[1] & 0xffff0000) | 0x3e; 200 (cfi->cfiq->EraseRegionInfo[1] & 0xffff0000) | 0x3e;
@@ -222,7 +222,7 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param)
222 222
223static struct cfi_fixup cfi_fixup_table[] = { 223static struct cfi_fixup cfi_fixup_table[] = {
224#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE 224#ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
225 { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, 225 { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL },
226#endif 226#endif
227#ifdef CMDSET0001_DISABLE_WRITE_SUSPEND 227#ifdef CMDSET0001_DISABLE_WRITE_SUSPEND
228 { CFI_MFR_ANY, CFI_ID_ANY, fixup_no_write_suspend, NULL }, 228 { CFI_MFR_ANY, CFI_ID_ANY, fixup_no_write_suspend, NULL },
@@ -327,7 +327,7 @@ read_pri_intelext(struct map_info *map, __u16 adr)
327 goto again; 327 goto again;
328 } 328 }
329 } 329 }
330 330
331 return extp; 331 return extp;
332} 332}
333 333
@@ -368,7 +368,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
368 mtd->reboot_notifier.notifier_call = cfi_intelext_reboot; 368 mtd->reboot_notifier.notifier_call = cfi_intelext_reboot;
369 369
370 if (cfi->cfi_mode == CFI_MODE_CFI) { 370 if (cfi->cfi_mode == CFI_MODE_CFI) {
371 /* 371 /*
372 * It's a real CFI chip, not one for which the probe 372 * It's a real CFI chip, not one for which the probe
373 * routine faked a CFI structure. So we read the feature 373 * routine faked a CFI structure. So we read the feature
374 * table from it. 374 * table from it.
@@ -383,14 +383,14 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
383 } 383 }
384 384
385 /* Install our own private info structure */ 385 /* Install our own private info structure */
386 cfi->cmdset_priv = extp; 386 cfi->cmdset_priv = extp;
387 387
388 cfi_fixup(mtd, cfi_fixup_table); 388 cfi_fixup(mtd, cfi_fixup_table);
389 389
390#ifdef DEBUG_CFI_FEATURES 390#ifdef DEBUG_CFI_FEATURES
391 /* Tell the user about it in lots of lovely detail */ 391 /* Tell the user about it in lots of lovely detail */
392 cfi_tell_features(extp); 392 cfi_tell_features(extp);
393#endif 393#endif
394 394
395 if(extp->SuspendCmdSupport & 1) { 395 if(extp->SuspendCmdSupport & 1) {
396 printk(KERN_NOTICE "cfi_cmdset_0001: Erase suspend on write enabled\n"); 396 printk(KERN_NOTICE "cfi_cmdset_0001: Erase suspend on write enabled\n");
@@ -408,10 +408,10 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
408 cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp; 408 cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
409 cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp; 409 cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp;
410 cfi->chips[i].ref_point_counter = 0; 410 cfi->chips[i].ref_point_counter = 0;
411 } 411 }
412 412
413 map->fldrv = &cfi_intelext_chipdrv; 413 map->fldrv = &cfi_intelext_chipdrv;
414 414
415 return cfi_intelext_setup(mtd); 415 return cfi_intelext_setup(mtd);
416} 416}
417 417
@@ -428,13 +428,13 @@ static struct mtd_info *cfi_intelext_setup(struct mtd_info *mtd)
428 mtd->size = devsize * cfi->numchips; 428 mtd->size = devsize * cfi->numchips;
429 429
430 mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips; 430 mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips;
431 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) 431 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info)
432 * mtd->numeraseregions, GFP_KERNEL); 432 * mtd->numeraseregions, GFP_KERNEL);
433 if (!mtd->eraseregions) { 433 if (!mtd->eraseregions) {
434 printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n"); 434 printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n");
435 goto setup_err; 435 goto setup_err;
436 } 436 }
437 437
438 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) { 438 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) {
439 unsigned long ernum, ersize; 439 unsigned long ernum, ersize;
440 ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave; 440 ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave;
@@ -701,7 +701,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
701 break; 701 break;
702 702
703 if (time_after(jiffies, timeo)) { 703 if (time_after(jiffies, timeo)) {
704 printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n", 704 printk(KERN_ERR "%s: Waiting for chip to be ready timed out. Status %lx\n",
705 map->name, status.x[0]); 705 map->name, status.x[0]);
706 return -EIO; 706 return -EIO;
707 } 707 }
@@ -711,7 +711,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
711 /* Someone else might have been playing with it. */ 711 /* Someone else might have been playing with it. */
712 goto retry; 712 goto retry;
713 } 713 }
714 714
715 case FL_READY: 715 case FL_READY:
716 case FL_CFI_QUERY: 716 case FL_CFI_QUERY:
717 case FL_JEDEC_QUERY: 717 case FL_JEDEC_QUERY:
@@ -830,14 +830,14 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
830 switch(chip->oldstate) { 830 switch(chip->oldstate) {
831 case FL_ERASING: 831 case FL_ERASING:
832 chip->state = chip->oldstate; 832 chip->state = chip->oldstate;
833 /* What if one interleaved chip has finished and the 833 /* What if one interleaved chip has finished and the
834 other hasn't? The old code would leave the finished 834 other hasn't? The old code would leave the finished
835 one in READY mode. That's bad, and caused -EROFS 835 one in READY mode. That's bad, and caused -EROFS
836 errors to be returned from do_erase_oneblock because 836 errors to be returned from do_erase_oneblock because
837 that's the only bit it checked for at the time. 837 that's the only bit it checked for at the time.
838 As the state machine appears to explicitly allow 838 As the state machine appears to explicitly allow
839 sending the 0x70 (Read Status) command to an erasing 839 sending the 0x70 (Read Status) command to an erasing
840 chip and expecting it to be ignored, that's what we 840 chip and expecting it to be ignored, that's what we
841 do. */ 841 do. */
842 map_write(map, CMD(0xd0), adr); 842 map_write(map, CMD(0xd0), adr);
843 map_write(map, CMD(0x70), adr); 843 map_write(map, CMD(0x70), adr);
@@ -1073,8 +1073,8 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a
1073 1073
1074 adr += chip->start; 1074 adr += chip->start;
1075 1075
1076 /* Ensure cmd read/writes are aligned. */ 1076 /* Ensure cmd read/writes are aligned. */
1077 cmd_addr = adr & ~(map_bankwidth(map)-1); 1077 cmd_addr = adr & ~(map_bankwidth(map)-1);
1078 1078
1079 spin_lock(chip->mutex); 1079 spin_lock(chip->mutex);
1080 1080
@@ -1102,7 +1102,7 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, si
1102 1102
1103 if (!map->virt || (from + len > mtd->size)) 1103 if (!map->virt || (from + len > mtd->size))
1104 return -EINVAL; 1104 return -EINVAL;
1105 1105
1106 *mtdbuf = (void *)map->virt + from; 1106 *mtdbuf = (void *)map->virt + from;
1107 *retlen = 0; 1107 *retlen = 0;
1108 1108
@@ -1129,7 +1129,7 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, si
1129 1129
1130 *retlen += thislen; 1130 *retlen += thislen;
1131 len -= thislen; 1131 len -= thislen;
1132 1132
1133 ofs = 0; 1133 ofs = 0;
1134 chipnum++; 1134 chipnum++;
1135 } 1135 }
@@ -1187,8 +1187,8 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
1187 1187
1188 adr += chip->start; 1188 adr += chip->start;
1189 1189
1190 /* Ensure cmd read/writes are aligned. */ 1190 /* Ensure cmd read/writes are aligned. */
1191 cmd_addr = adr & ~(map_bankwidth(map)-1); 1191 cmd_addr = adr & ~(map_bankwidth(map)-1);
1192 1192
1193 spin_lock(chip->mutex); 1193 spin_lock(chip->mutex);
1194 ret = get_chip(map, chip, cmd_addr, FL_READY); 1194 ret = get_chip(map, chip, cmd_addr, FL_READY);
@@ -1243,7 +1243,7 @@ static int cfi_intelext_read (struct mtd_info *mtd, loff_t from, size_t len, siz
1243 *retlen += thislen; 1243 *retlen += thislen;
1244 len -= thislen; 1244 len -= thislen;
1245 buf += thislen; 1245 buf += thislen;
1246 1246
1247 ofs = 0; 1247 ofs = 0;
1248 chipnum++; 1248 chipnum++;
1249 } 1249 }
@@ -1311,7 +1311,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
1311 status = map_read(map, adr); 1311 status = map_read(map, adr);
1312 if (map_word_andequal(map, status, status_OK, status_OK)) 1312 if (map_word_andequal(map, status, status_OK, status_OK))
1313 break; 1313 break;
1314 1314
1315 /* OK Still waiting */ 1315 /* OK Still waiting */
1316 if (time_after(jiffies, timeo)) { 1316 if (time_after(jiffies, timeo)) {
1317 map_write(map, CMD(0x70), adr); 1317 map_write(map, CMD(0x70), adr);
@@ -1331,7 +1331,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
1331 if (!chip->word_write_time) 1331 if (!chip->word_write_time)
1332 chip->word_write_time = 1; 1332 chip->word_write_time = 1;
1333 } 1333 }
1334 if (z > 1) 1334 if (z > 1)
1335 chip->word_write_time++; 1335 chip->word_write_time++;
1336 1336
1337 /* Done and happy. */ 1337 /* Done and happy. */
@@ -1394,7 +1394,7 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le
1394 1394
1395 ret = do_write_oneword(map, &cfi->chips[chipnum], 1395 ret = do_write_oneword(map, &cfi->chips[chipnum],
1396 bus_ofs, datum, FL_WRITING); 1396 bus_ofs, datum, FL_WRITING);
1397 if (ret) 1397 if (ret)
1398 return ret; 1398 return ret;
1399 1399
1400 len -= n; 1400 len -= n;
@@ -1403,13 +1403,13 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le
1403 (*retlen) += n; 1403 (*retlen) += n;
1404 1404
1405 if (ofs >> cfi->chipshift) { 1405 if (ofs >> cfi->chipshift) {
1406 chipnum ++; 1406 chipnum ++;
1407 ofs = 0; 1407 ofs = 0;
1408 if (chipnum == cfi->numchips) 1408 if (chipnum == cfi->numchips)
1409 return 0; 1409 return 0;
1410 } 1410 }
1411 } 1411 }
1412 1412
1413 while(len >= map_bankwidth(map)) { 1413 while(len >= map_bankwidth(map)) {
1414 map_word datum = map_word_load(map, buf); 1414 map_word datum = map_word_load(map, buf);
1415 1415
@@ -1424,7 +1424,7 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le
1424 len -= map_bankwidth(map); 1424 len -= map_bankwidth(map);
1425 1425
1426 if (ofs >> cfi->chipshift) { 1426 if (ofs >> cfi->chipshift) {
1427 chipnum ++; 1427 chipnum ++;
1428 ofs = 0; 1428 ofs = 0;
1429 if (chipnum == cfi->numchips) 1429 if (chipnum == cfi->numchips)
1430 return 0; 1430 return 0;
@@ -1439,9 +1439,9 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le
1439 1439
1440 ret = do_write_oneword(map, &cfi->chips[chipnum], 1440 ret = do_write_oneword(map, &cfi->chips[chipnum],
1441 ofs, datum, FL_WRITING); 1441 ofs, datum, FL_WRITING);
1442 if (ret) 1442 if (ret)
1443 return ret; 1443 return ret;
1444 1444
1445 (*retlen) += len; 1445 (*retlen) += len;
1446 } 1446 }
1447 1447
@@ -1449,7 +1449,7 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le
1449} 1449}
1450 1450
1451 1451
1452static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, 1452static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1453 unsigned long adr, const struct kvec **pvec, 1453 unsigned long adr, const struct kvec **pvec,
1454 unsigned long *pvec_seek, int len) 1454 unsigned long *pvec_seek, int len)
1455{ 1455{
@@ -1480,7 +1480,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1480 xip_disable(map, chip, cmd_adr); 1480 xip_disable(map, chip, cmd_adr);
1481 1481
1482 /* §4.8 of the 28FxxxJ3A datasheet says "Any time SR.4 and/or SR.5 is set 1482 /* §4.8 of the 28FxxxJ3A datasheet says "Any time SR.4 and/or SR.5 is set
1483 [...], the device will not accept any more Write to Buffer commands". 1483 [...], the device will not accept any more Write to Buffer commands".
1484 So we must check here and reset those bits if they're set. Otherwise 1484 So we must check here and reset those bits if they're set. Otherwise
1485 we're just pissing in the wind */ 1485 we're just pissing in the wind */
1486 if (chip->state != FL_STATUS) 1486 if (chip->state != FL_STATUS)
@@ -1549,9 +1549,9 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1549 1549
1550 if (!word_gap && len < map_bankwidth(map)) 1550 if (!word_gap && len < map_bankwidth(map))
1551 datum = map_word_ff(map); 1551 datum = map_word_ff(map);
1552 1552
1553 datum = map_word_load_partial(map, datum, 1553 datum = map_word_load_partial(map, datum,
1554 vec->iov_base + vec_seek, 1554 vec->iov_base + vec_seek,
1555 word_gap, n); 1555 word_gap, n);
1556 1556
1557 len -= n; 1557 len -= n;
@@ -1575,7 +1575,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1575 map_write(map, CMD(0xd0), cmd_adr); 1575 map_write(map, CMD(0xd0), cmd_adr);
1576 chip->state = FL_WRITING; 1576 chip->state = FL_WRITING;
1577 1577
1578 INVALIDATE_CACHE_UDELAY(map, chip, 1578 INVALIDATE_CACHE_UDELAY(map, chip,
1579 cmd_adr, len, 1579 cmd_adr, len,
1580 chip->buffer_write_time); 1580 chip->buffer_write_time);
1581 1581
@@ -1608,7 +1608,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1608 ret = -EIO; 1608 ret = -EIO;
1609 goto out; 1609 goto out;
1610 } 1610 }
1611 1611
1612 /* Latency issues. Drop the lock, wait a while and retry */ 1612 /* Latency issues. Drop the lock, wait a while and retry */
1613 z++; 1613 z++;
1614 UDELAY(map, chip, cmd_adr, 1); 1614 UDELAY(map, chip, cmd_adr, 1);
@@ -1618,7 +1618,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1618 if (!chip->buffer_write_time) 1618 if (!chip->buffer_write_time)
1619 chip->buffer_write_time = 1; 1619 chip->buffer_write_time = 1;
1620 } 1620 }
1621 if (z > 1) 1621 if (z > 1)
1622 chip->buffer_write_time++; 1622 chip->buffer_write_time++;
1623 1623
1624 /* Done and happy. */ 1624 /* Done and happy. */
@@ -1680,7 +1680,7 @@ static int cfi_intelext_writev (struct mtd_info *mtd, const struct kvec *vecs,
1680 1680
1681 if (size > len) 1681 if (size > len)
1682 size = len; 1682 size = len;
1683 ret = do_write_buffer(map, &cfi->chips[chipnum], 1683 ret = do_write_buffer(map, &cfi->chips[chipnum],
1684 ofs, &vecs, &vec_seek, size); 1684 ofs, &vecs, &vec_seek, size);
1685 if (ret) 1685 if (ret)
1686 return ret; 1686 return ret;
@@ -1690,7 +1690,7 @@ static int cfi_intelext_writev (struct mtd_info *mtd, const struct kvec *vecs,
1690 len -= size; 1690 len -= size;
1691 1691
1692 if (ofs >> cfi->chipshift) { 1692 if (ofs >> cfi->chipshift) {
1693 chipnum ++; 1693 chipnum ++;
1694 ofs = 0; 1694 ofs = 0;
1695 if (chipnum == cfi->numchips) 1695 if (chipnum == cfi->numchips)
1696 return 0; 1696 return 0;
@@ -1776,7 +1776,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
1776 status = map_read(map, adr); 1776 status = map_read(map, adr);
1777 if (map_word_andequal(map, status, status_OK, status_OK)) 1777 if (map_word_andequal(map, status, status_OK, status_OK))
1778 break; 1778 break;
1779 1779
1780 /* OK Still waiting */ 1780 /* OK Still waiting */
1781 if (time_after(jiffies, timeo)) { 1781 if (time_after(jiffies, timeo)) {
1782 map_write(map, CMD(0x70), adr); 1782 map_write(map, CMD(0x70), adr);
@@ -1786,7 +1786,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip,
1786 ret = -EIO; 1786 ret = -EIO;
1787 goto out; 1787 goto out;
1788 } 1788 }
1789 1789
1790 /* Latency issues. Drop the lock, wait a while and retry */ 1790 /* Latency issues. Drop the lock, wait a while and retry */
1791 UDELAY(map, chip, adr, 1000000/HZ); 1791 UDELAY(map, chip, adr, 1000000/HZ);
1792 } 1792 }
@@ -1849,7 +1849,7 @@ int cfi_intelext_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
1849 1849
1850 instr->state = MTD_ERASE_DONE; 1850 instr->state = MTD_ERASE_DONE;
1851 mtd_erase_callback(instr); 1851 mtd_erase_callback(instr);
1852 1852
1853 return 0; 1853 return 0;
1854} 1854}
1855 1855
@@ -1870,7 +1870,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
1870 if (!ret) { 1870 if (!ret) {
1871 chip->oldstate = chip->state; 1871 chip->oldstate = chip->state;
1872 chip->state = FL_SYNCING; 1872 chip->state = FL_SYNCING;
1873 /* No need to wake_up() on this state change - 1873 /* No need to wake_up() on this state change -
1874 * as the whole point is that nobody can do anything 1874 * as the whole point is that nobody can do anything
1875 * with the chip now anyway. 1875 * with the chip now anyway.
1876 */ 1876 */
@@ -1884,7 +1884,7 @@ static void cfi_intelext_sync (struct mtd_info *mtd)
1884 chip = &cfi->chips[i]; 1884 chip = &cfi->chips[i];
1885 1885
1886 spin_lock(chip->mutex); 1886 spin_lock(chip->mutex);
1887 1887
1888 if (chip->state == FL_SYNCING) { 1888 if (chip->state == FL_SYNCING) {
1889 chip->state = chip->oldstate; 1889 chip->state = chip->oldstate;
1890 chip->oldstate = FL_READY; 1890 chip->oldstate = FL_READY;
@@ -1941,7 +1941,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
1941 1941
1942 ENABLE_VPP(map); 1942 ENABLE_VPP(map);
1943 xip_disable(map, chip, adr); 1943 xip_disable(map, chip, adr);
1944 1944
1945 map_write(map, CMD(0x60), adr); 1945 map_write(map, CMD(0x60), adr);
1946 if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) { 1946 if (thunk == DO_XXLOCK_ONEBLOCK_LOCK) {
1947 map_write(map, CMD(0x01), adr); 1947 map_write(map, CMD(0x01), adr);
@@ -1969,7 +1969,7 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
1969 status = map_read(map, adr); 1969 status = map_read(map, adr);
1970 if (map_word_andequal(map, status, status_OK, status_OK)) 1970 if (map_word_andequal(map, status, status_OK, status_OK))
1971 break; 1971 break;
1972 1972
1973 /* OK Still waiting */ 1973 /* OK Still waiting */
1974 if (time_after(jiffies, timeo)) { 1974 if (time_after(jiffies, timeo)) {
1975 map_write(map, CMD(0x70), adr); 1975 map_write(map, CMD(0x70), adr);
@@ -1980,11 +1980,11 @@ static int __xipram do_xxlock_oneblock(struct map_info *map, struct flchip *chip
1980 spin_unlock(chip->mutex); 1980 spin_unlock(chip->mutex);
1981 return -EIO; 1981 return -EIO;
1982 } 1982 }
1983 1983
1984 /* Latency issues. Drop the lock, wait a while and retry */ 1984 /* Latency issues. Drop the lock, wait a while and retry */
1985 UDELAY(map, chip, adr, 1); 1985 UDELAY(map, chip, adr, 1);
1986 } 1986 }
1987 1987
1988 /* Done and happy. */ 1988 /* Done and happy. */
1989 chip->state = FL_STATUS; 1989 chip->state = FL_STATUS;
1990 xip_enable(map, chip, adr); 1990 xip_enable(map, chip, adr);
@@ -2004,9 +2004,9 @@ static int cfi_intelext_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
2004 ofs, len, 0); 2004 ofs, len, 0);
2005#endif 2005#endif
2006 2006
2007 ret = cfi_varsize_frob(mtd, do_xxlock_oneblock, 2007 ret = cfi_varsize_frob(mtd, do_xxlock_oneblock,
2008 ofs, len, DO_XXLOCK_ONEBLOCK_LOCK); 2008 ofs, len, DO_XXLOCK_ONEBLOCK_LOCK);
2009 2009
2010#ifdef DEBUG_LOCK_BITS 2010#ifdef DEBUG_LOCK_BITS
2011 printk(KERN_DEBUG "%s: lock status after, ret=%d\n", 2011 printk(KERN_DEBUG "%s: lock status after, ret=%d\n",
2012 __FUNCTION__, ret); 2012 __FUNCTION__, ret);
@@ -2030,20 +2030,20 @@ static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
2030 2030
2031 ret = cfi_varsize_frob(mtd, do_xxlock_oneblock, 2031 ret = cfi_varsize_frob(mtd, do_xxlock_oneblock,
2032 ofs, len, DO_XXLOCK_ONEBLOCK_UNLOCK); 2032 ofs, len, DO_XXLOCK_ONEBLOCK_UNLOCK);
2033 2033
2034#ifdef DEBUG_LOCK_BITS 2034#ifdef DEBUG_LOCK_BITS
2035 printk(KERN_DEBUG "%s: lock status after, ret=%d\n", 2035 printk(KERN_DEBUG "%s: lock status after, ret=%d\n",
2036 __FUNCTION__, ret); 2036 __FUNCTION__, ret);
2037 cfi_varsize_frob(mtd, do_printlockstatus_oneblock, 2037 cfi_varsize_frob(mtd, do_printlockstatus_oneblock,
2038 ofs, len, 0); 2038 ofs, len, 0);
2039#endif 2039#endif
2040 2040
2041 return ret; 2041 return ret;
2042} 2042}
2043 2043
2044#ifdef CONFIG_MTD_OTP 2044#ifdef CONFIG_MTD_OTP
2045 2045
2046typedef int (*otp_op_t)(struct map_info *map, struct flchip *chip, 2046typedef int (*otp_op_t)(struct map_info *map, struct flchip *chip,
2047 u_long data_offset, u_char *buf, u_int size, 2047 u_long data_offset, u_char *buf, u_int size,
2048 u_long prot_offset, u_int groupno, u_int groupsize); 2048 u_long prot_offset, u_int groupno, u_int groupsize);
2049 2049
@@ -2094,7 +2094,7 @@ do_otp_write(struct map_info *map, struct flchip *chip, u_long offset,
2094 2094
2095 datum = map_word_load_partial(map, datum, buf, gap, n); 2095 datum = map_word_load_partial(map, datum, buf, gap, n);
2096 ret = do_write_oneword(map, chip, bus_ofs, datum, FL_OTP_WRITE); 2096 ret = do_write_oneword(map, chip, bus_ofs, datum, FL_OTP_WRITE);
2097 if (ret) 2097 if (ret)
2098 return ret; 2098 return ret;
2099 2099
2100 offset += n; 2100 offset += n;
@@ -2287,7 +2287,7 @@ static int cfi_intelext_lock_user_prot_reg(struct mtd_info *mtd,
2287 NULL, do_otp_lock, 1); 2287 NULL, do_otp_lock, 1);
2288} 2288}
2289 2289
2290static int cfi_intelext_get_fact_prot_info(struct mtd_info *mtd, 2290static int cfi_intelext_get_fact_prot_info(struct mtd_info *mtd,
2291 struct otp_info *buf, size_t len) 2291 struct otp_info *buf, size_t len)
2292{ 2292{
2293 size_t retlen; 2293 size_t retlen;
@@ -2330,7 +2330,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
2330 if (chip->oldstate == FL_READY) { 2330 if (chip->oldstate == FL_READY) {
2331 chip->oldstate = chip->state; 2331 chip->oldstate = chip->state;
2332 chip->state = FL_PM_SUSPENDED; 2332 chip->state = FL_PM_SUSPENDED;
2333 /* No need to wake_up() on this state change - 2333 /* No need to wake_up() on this state change -
2334 * as the whole point is that nobody can do anything 2334 * as the whole point is that nobody can do anything
2335 * with the chip now anyway. 2335 * with the chip now anyway.
2336 */ 2336 */
@@ -2358,9 +2358,9 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
2358 if (ret) { 2358 if (ret) {
2359 for (i--; i >=0; i--) { 2359 for (i--; i >=0; i--) {
2360 chip = &cfi->chips[i]; 2360 chip = &cfi->chips[i];
2361 2361
2362 spin_lock(chip->mutex); 2362 spin_lock(chip->mutex);
2363 2363
2364 if (chip->state == FL_PM_SUSPENDED) { 2364 if (chip->state == FL_PM_SUSPENDED) {
2365 /* No need to force it into a known state here, 2365 /* No need to force it into a known state here,
2366 because we're returning failure, and it didn't 2366 because we're returning failure, and it didn't
@@ -2371,8 +2371,8 @@ static int cfi_intelext_suspend(struct mtd_info *mtd)
2371 } 2371 }
2372 spin_unlock(chip->mutex); 2372 spin_unlock(chip->mutex);
2373 } 2373 }
2374 } 2374 }
2375 2375
2376 return ret; 2376 return ret;
2377} 2377}
2378 2378
@@ -2384,11 +2384,11 @@ static void cfi_intelext_resume(struct mtd_info *mtd)
2384 struct flchip *chip; 2384 struct flchip *chip;
2385 2385
2386 for (i=0; i<cfi->numchips; i++) { 2386 for (i=0; i<cfi->numchips; i++) {
2387 2387
2388 chip = &cfi->chips[i]; 2388 chip = &cfi->chips[i];
2389 2389
2390 spin_lock(chip->mutex); 2390 spin_lock(chip->mutex);
2391 2391
2392 /* Go to known state. Chip may have been power cycled */ 2392 /* Go to known state. Chip may have been power cycled */
2393 if (chip->state == FL_PM_SUSPENDED) { 2393 if (chip->state == FL_PM_SUSPENDED) {
2394 map_write(map, CMD(0xFF), cfi->chips[i].start); 2394 map_write(map, CMD(0xFF), cfi->chips[i].start);
@@ -2410,7 +2410,7 @@ static int cfi_intelext_reset(struct mtd_info *mtd)
2410 struct flchip *chip = &cfi->chips[i]; 2410 struct flchip *chip = &cfi->chips[i];
2411 2411
2412 /* force the completion of any ongoing operation 2412 /* force the completion of any ongoing operation
2413 and switch to array mode so any bootloader in 2413 and switch to array mode so any bootloader in
2414 flash is accessible for soft reboot. */ 2414 flash is accessible for soft reboot. */
2415 spin_lock(chip->mutex); 2415 spin_lock(chip->mutex);
2416 ret = get_chip(map, chip, chip->start, FL_SYNCING); 2416 ret = get_chip(map, chip, chip->start, FL_SYNCING);
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 50dd7d2f096d..88c5f5a34cb7 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -10,14 +10,14 @@
10 * 10 *
11 * 4_by_16 work by Carolyn J. Smith 11 * 4_by_16 work by Carolyn J. Smith
12 * 12 *
13 * XIP support hooks by Vitaly Wool (based on code for Intel flash 13 * XIP support hooks by Vitaly Wool (based on code for Intel flash
14 * by Nicolas Pitre) 14 * by Nicolas Pitre)
15 * 15 *
16 * Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com 16 * Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
17 * 17 *
18 * This code is GPL 18 * This code is GPL
19 * 19 *
20 * $Id: cfi_cmdset_0002.c,v 1.121 2005/11/07 09:00:01 gleixner Exp $ 20 * $Id: cfi_cmdset_0002.c,v 1.122 2005/11/07 11:14:22 gleixner Exp $
21 * 21 *
22 */ 22 */
23 23
@@ -93,7 +93,7 @@ static void cfi_tell_features(struct cfi_pri_amdstd *extp)
93 }; 93 };
94 94
95 printk(" Silicon revision: %d\n", extp->SiliconRevision >> 1); 95 printk(" Silicon revision: %d\n", extp->SiliconRevision >> 1);
96 printk(" Address sensitive unlock: %s\n", 96 printk(" Address sensitive unlock: %s\n",
97 (extp->SiliconRevision & 1) ? "Not required" : "Required"); 97 (extp->SiliconRevision & 1) ? "Not required" : "Required");
98 98
99 if (extp->EraseSuspend < ARRAY_SIZE(erase_suspend)) 99 if (extp->EraseSuspend < ARRAY_SIZE(erase_suspend))
@@ -118,9 +118,9 @@ static void cfi_tell_features(struct cfi_pri_amdstd *extp)
118 else 118 else
119 printk(" Page mode: %d word page\n", extp->PageMode << 2); 119 printk(" Page mode: %d word page\n", extp->PageMode << 2);
120 120
121 printk(" Vpp Supply Minimum Program/Erase Voltage: %d.%d V\n", 121 printk(" Vpp Supply Minimum Program/Erase Voltage: %d.%d V\n",
122 extp->VppMin >> 4, extp->VppMin & 0xf); 122 extp->VppMin >> 4, extp->VppMin & 0xf);
123 printk(" Vpp Supply Maximum Program/Erase Voltage: %d.%d V\n", 123 printk(" Vpp Supply Maximum Program/Erase Voltage: %d.%d V\n",
124 extp->VppMax >> 4, extp->VppMax & 0xf); 124 extp->VppMax >> 4, extp->VppMax & 0xf);
125 125
126 if (extp->TopBottom < ARRAY_SIZE(top_bottom)) 126 if (extp->TopBottom < ARRAY_SIZE(top_bottom))
@@ -177,7 +177,7 @@ static void fixup_use_erase_chip(struct mtd_info *mtd, void *param)
177 ((cfi->cfiq->EraseRegionInfo[0] & 0xffff) == 0)) { 177 ((cfi->cfiq->EraseRegionInfo[0] & 0xffff) == 0)) {
178 mtd->erase = cfi_amdstd_erase_chip; 178 mtd->erase = cfi_amdstd_erase_chip;
179 } 179 }
180 180
181} 181}
182 182
183static struct cfi_fixup cfi_fixup_table[] = { 183static struct cfi_fixup cfi_fixup_table[] = {
@@ -239,7 +239,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
239 239
240 if (cfi->cfi_mode==CFI_MODE_CFI){ 240 if (cfi->cfi_mode==CFI_MODE_CFI){
241 unsigned char bootloc; 241 unsigned char bootloc;
242 /* 242 /*
243 * It's a real CFI chip, not one for which the probe 243 * It's a real CFI chip, not one for which the probe
244 * routine faked a CFI structure. So we read the feature 244 * routine faked a CFI structure. So we read the feature
245 * table from it. 245 * table from it.
@@ -264,7 +264,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
264 } 264 }
265 265
266 /* Install our own private info structure */ 266 /* Install our own private info structure */
267 cfi->cmdset_priv = extp; 267 cfi->cmdset_priv = extp;
268 268
269 /* Apply cfi device specific fixups */ 269 /* Apply cfi device specific fixups */
270 cfi_fixup(mtd, cfi_fixup_table); 270 cfi_fixup(mtd, cfi_fixup_table);
@@ -272,7 +272,7 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
272#ifdef DEBUG_CFI_FEATURES 272#ifdef DEBUG_CFI_FEATURES
273 /* Tell the user about it in lots of lovely detail */ 273 /* Tell the user about it in lots of lovely detail */
274 cfi_tell_features(extp); 274 cfi_tell_features(extp);
275#endif 275#endif
276 276
277 bootloc = extp->TopBottom; 277 bootloc = extp->TopBottom;
278 if ((bootloc != 2) && (bootloc != 3)) { 278 if ((bootloc != 2) && (bootloc != 3)) {
@@ -283,11 +283,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
283 283
284 if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) { 284 if (bootloc == 3 && cfi->cfiq->NumEraseRegions > 1) {
285 printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name); 285 printk(KERN_WARNING "%s: Swapping erase regions for broken CFI table.\n", map->name);
286 286
287 for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) { 287 for (i=0; i<cfi->cfiq->NumEraseRegions / 2; i++) {
288 int j = (cfi->cfiq->NumEraseRegions-1)-i; 288 int j = (cfi->cfiq->NumEraseRegions-1)-i;
289 __u32 swap; 289 __u32 swap;
290 290
291 swap = cfi->cfiq->EraseRegionInfo[i]; 291 swap = cfi->cfiq->EraseRegionInfo[i];
292 cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j]; 292 cfi->cfiq->EraseRegionInfo[i] = cfi->cfiq->EraseRegionInfo[j];
293 cfi->cfiq->EraseRegionInfo[j] = swap; 293 cfi->cfiq->EraseRegionInfo[j] = swap;
@@ -298,11 +298,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
298 cfi->addr_unlock2 = 0x2aa; 298 cfi->addr_unlock2 = 0x2aa;
299 /* Modify the unlock address if we are in compatibility mode */ 299 /* Modify the unlock address if we are in compatibility mode */
300 if ( /* x16 in x8 mode */ 300 if ( /* x16 in x8 mode */
301 ((cfi->device_type == CFI_DEVICETYPE_X8) && 301 ((cfi->device_type == CFI_DEVICETYPE_X8) &&
302 (cfi->cfiq->InterfaceDesc == 2)) || 302 (cfi->cfiq->InterfaceDesc == 2)) ||
303 /* x32 in x16 mode */ 303 /* x32 in x16 mode */
304 ((cfi->device_type == CFI_DEVICETYPE_X16) && 304 ((cfi->device_type == CFI_DEVICETYPE_X16) &&
305 (cfi->cfiq->InterfaceDesc == 4))) 305 (cfi->cfiq->InterfaceDesc == 4)))
306 { 306 {
307 cfi->addr_unlock1 = 0xaaa; 307 cfi->addr_unlock1 = 0xaaa;
308 cfi->addr_unlock2 = 0x555; 308 cfi->addr_unlock2 = 0x555;
@@ -320,10 +320,10 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
320 cfi->chips[i].word_write_time = 1<<cfi->cfiq->WordWriteTimeoutTyp; 320 cfi->chips[i].word_write_time = 1<<cfi->cfiq->WordWriteTimeoutTyp;
321 cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp; 321 cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
322 cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp; 322 cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp;
323 } 323 }
324 324
325 map->fldrv = &cfi_amdstd_chipdrv; 325 map->fldrv = &cfi_amdstd_chipdrv;
326 326
327 return cfi_amdstd_setup(mtd); 327 return cfi_amdstd_setup(mtd);
328} 328}
329 329
@@ -336,24 +336,24 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
336 unsigned long offset = 0; 336 unsigned long offset = 0;
337 int i,j; 337 int i,j;
338 338
339 printk(KERN_NOTICE "number of %s chips: %d\n", 339 printk(KERN_NOTICE "number of %s chips: %d\n",
340 (cfi->cfi_mode == CFI_MODE_CFI)?"CFI":"JEDEC",cfi->numchips); 340 (cfi->cfi_mode == CFI_MODE_CFI)?"CFI":"JEDEC",cfi->numchips);
341 /* Select the correct geometry setup */ 341 /* Select the correct geometry setup */
342 mtd->size = devsize * cfi->numchips; 342 mtd->size = devsize * cfi->numchips;
343 343
344 mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips; 344 mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips;
345 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) 345 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info)
346 * mtd->numeraseregions, GFP_KERNEL); 346 * mtd->numeraseregions, GFP_KERNEL);
347 if (!mtd->eraseregions) { 347 if (!mtd->eraseregions) {
348 printk(KERN_WARNING "Failed to allocate memory for MTD erase region info\n"); 348 printk(KERN_WARNING "Failed to allocate memory for MTD erase region info\n");
349 goto setup_err; 349 goto setup_err;
350 } 350 }
351 351
352 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) { 352 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) {
353 unsigned long ernum, ersize; 353 unsigned long ernum, ersize;
354 ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave; 354 ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave;
355 ernum = (cfi->cfiq->EraseRegionInfo[i] & 0xffff) + 1; 355 ernum = (cfi->cfiq->EraseRegionInfo[i] & 0xffff) + 1;
356 356
357 if (mtd->erasesize < ersize) { 357 if (mtd->erasesize < ersize) {
358 mtd->erasesize = ersize; 358 mtd->erasesize = ersize;
359 } 359 }
@@ -440,7 +440,7 @@ static int __xipram chip_good(struct map_info *map, unsigned long addr, map_word
440 oldd = map_read(map, addr); 440 oldd = map_read(map, addr);
441 curd = map_read(map, addr); 441 curd = map_read(map, addr);
442 442
443 return map_word_equal(map, oldd, curd) && 443 return map_word_equal(map, oldd, curd) &&
444 map_word_equal(map, curd, expected); 444 map_word_equal(map, curd, expected);
445} 445}
446 446
@@ -472,7 +472,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
472 /* Someone else might have been playing with it. */ 472 /* Someone else might have been playing with it. */
473 goto retry; 473 goto retry;
474 } 474 }
475 475
476 case FL_READY: 476 case FL_READY:
477 case FL_CFI_QUERY: 477 case FL_CFI_QUERY:
478 case FL_JEDEC_QUERY: 478 case FL_JEDEC_QUERY:
@@ -515,7 +515,7 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr
515 printk(KERN_ERR "MTD %s(): chip not ready after erase suspend\n", __func__); 515 printk(KERN_ERR "MTD %s(): chip not ready after erase suspend\n", __func__);
516 return -EIO; 516 return -EIO;
517 } 517 }
518 518
519 spin_unlock(chip->mutex); 519 spin_unlock(chip->mutex);
520 cfi_udelay(1); 520 cfi_udelay(1);
521 spin_lock(chip->mutex); 521 spin_lock(chip->mutex);
@@ -618,7 +618,7 @@ static void __xipram xip_enable(struct map_info *map, struct flchip *chip,
618 * When a delay is required for the flash operation to complete, the 618 * When a delay is required for the flash operation to complete, the
619 * xip_udelay() function is polling for both the given timeout and pending 619 * xip_udelay() function is polling for both the given timeout and pending
620 * (but still masked) hardware interrupts. Whenever there is an interrupt 620 * (but still masked) hardware interrupts. Whenever there is an interrupt
621 * pending then the flash erase operation is suspended, array mode restored 621 * pending then the flash erase operation is suspended, array mode restored
622 * and interrupts unmasked. Task scheduling might also happen at that 622 * and interrupts unmasked. Task scheduling might also happen at that
623 * point. The CPU eventually returns from the interrupt or the call to 623 * point. The CPU eventually returns from the interrupt or the call to
624 * schedule() and the suspended flash operation is resumed for the remaining 624 * schedule() and the suspended flash operation is resumed for the remaining
@@ -642,9 +642,9 @@ static void __xipram xip_udelay(struct map_info *map, struct flchip *chip,
642 ((chip->state == FL_ERASING && (extp->EraseSuspend & 2))) && 642 ((chip->state == FL_ERASING && (extp->EraseSuspend & 2))) &&
643 (cfi_interleave_is_1(cfi) || chip->oldstate == FL_READY)) { 643 (cfi_interleave_is_1(cfi) || chip->oldstate == FL_READY)) {
644 /* 644 /*
645 * Let's suspend the erase operation when supported. 645 * Let's suspend the erase operation when supported.
646 * Note that we currently don't try to suspend 646 * Note that we currently don't try to suspend
647 * interleaved chips if there is already another 647 * interleaved chips if there is already another
648 * operation suspended (imagine what happens 648 * operation suspended (imagine what happens
649 * when one chip was already done with the current 649 * when one chip was already done with the current
650 * operation while another chip suspended it, then 650 * operation while another chip suspended it, then
@@ -780,8 +780,8 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
780 780
781 adr += chip->start; 781 adr += chip->start;
782 782
783 /* Ensure cmd read/writes are aligned. */ 783 /* Ensure cmd read/writes are aligned. */
784 cmd_addr = adr & ~(map_bankwidth(map)-1); 784 cmd_addr = adr & ~(map_bankwidth(map)-1);
785 785
786 spin_lock(chip->mutex); 786 spin_lock(chip->mutex);
787 ret = get_chip(map, chip, cmd_addr, FL_READY); 787 ret = get_chip(map, chip, cmd_addr, FL_READY);
@@ -861,7 +861,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
861#endif 861#endif
862 set_current_state(TASK_UNINTERRUPTIBLE); 862 set_current_state(TASK_UNINTERRUPTIBLE);
863 add_wait_queue(&chip->wq, &wait); 863 add_wait_queue(&chip->wq, &wait);
864 864
865 spin_unlock(chip->mutex); 865 spin_unlock(chip->mutex);
866 866
867 schedule(); 867 schedule();
@@ -873,7 +873,7 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
873 timeo = jiffies + HZ; 873 timeo = jiffies + HZ;
874 874
875 goto retry; 875 goto retry;
876 } 876 }
877 877
878 adr += chip->start; 878 adr += chip->start;
879 879
@@ -882,14 +882,14 @@ static inline int do_read_secsi_onechip(struct map_info *map, struct flchip *chi
882 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 882 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
883 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL); 883 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL);
884 cfi_send_gen_cmd(0x88, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 884 cfi_send_gen_cmd(0x88, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
885 885
886 map_copy_from(map, buf, adr, len); 886 map_copy_from(map, buf, adr, len);
887 887
888 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 888 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
889 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL); 889 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL);
890 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 890 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
891 cfi_send_gen_cmd(0x00, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 891 cfi_send_gen_cmd(0x00, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
892 892
893 wake_up(&chip->wq); 893 wake_up(&chip->wq);
894 spin_unlock(chip->mutex); 894 spin_unlock(chip->mutex);
895 895
@@ -998,7 +998,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
998 chip->word_write_time); 998 chip->word_write_time);
999 999
1000 /* See comment above for timeout value. */ 1000 /* See comment above for timeout value. */
1001 timeo = jiffies + uWriteTimeout; 1001 timeo = jiffies + uWriteTimeout;
1002 for (;;) { 1002 for (;;) {
1003 if (chip->state != FL_WRITING) { 1003 if (chip->state != FL_WRITING) {
1004 /* Someone's suspended the write. Sleep */ 1004 /* Someone's suspended the write. Sleep */
@@ -1033,7 +1033,7 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
1033 map_write( map, CMD(0xF0), chip->start ); 1033 map_write( map, CMD(0xF0), chip->start );
1034 /* FIXME - should have reset delay before continuing */ 1034 /* FIXME - should have reset delay before continuing */
1035 1035
1036 if (++retry_cnt <= MAX_WORD_RETRIES) 1036 if (++retry_cnt <= MAX_WORD_RETRIES)
1037 goto retry; 1037 goto retry;
1038 1038
1039 ret = -EIO; 1039 ret = -EIO;
@@ -1101,27 +1101,27 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
1101 1101
1102 /* Number of bytes to copy from buffer */ 1102 /* Number of bytes to copy from buffer */
1103 n = min_t(int, len, map_bankwidth(map)-i); 1103 n = min_t(int, len, map_bankwidth(map)-i);
1104 1104
1105 tmp_buf = map_word_load_partial(map, tmp_buf, buf, i, n); 1105 tmp_buf = map_word_load_partial(map, tmp_buf, buf, i, n);
1106 1106
1107 ret = do_write_oneword(map, &cfi->chips[chipnum], 1107 ret = do_write_oneword(map, &cfi->chips[chipnum],
1108 bus_ofs, tmp_buf); 1108 bus_ofs, tmp_buf);
1109 if (ret) 1109 if (ret)
1110 return ret; 1110 return ret;
1111 1111
1112 ofs += n; 1112 ofs += n;
1113 buf += n; 1113 buf += n;
1114 (*retlen) += n; 1114 (*retlen) += n;
1115 len -= n; 1115 len -= n;
1116 1116
1117 if (ofs >> cfi->chipshift) { 1117 if (ofs >> cfi->chipshift) {
1118 chipnum ++; 1118 chipnum ++;
1119 ofs = 0; 1119 ofs = 0;
1120 if (chipnum == cfi->numchips) 1120 if (chipnum == cfi->numchips)
1121 return 0; 1121 return 0;
1122 } 1122 }
1123 } 1123 }
1124 1124
1125 /* We are now aligned, write as much as possible */ 1125 /* We are now aligned, write as much as possible */
1126 while(len >= map_bankwidth(map)) { 1126 while(len >= map_bankwidth(map)) {
1127 map_word datum; 1127 map_word datum;
@@ -1139,7 +1139,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
1139 len -= map_bankwidth(map); 1139 len -= map_bankwidth(map);
1140 1140
1141 if (ofs >> cfi->chipshift) { 1141 if (ofs >> cfi->chipshift) {
1142 chipnum ++; 1142 chipnum ++;
1143 ofs = 0; 1143 ofs = 0;
1144 if (chipnum == cfi->numchips) 1144 if (chipnum == cfi->numchips)
1145 return 0; 1145 return 0;
@@ -1177,12 +1177,12 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
1177 spin_unlock(cfi->chips[chipnum].mutex); 1177 spin_unlock(cfi->chips[chipnum].mutex);
1178 1178
1179 tmp_buf = map_word_load_partial(map, tmp_buf, buf, 0, len); 1179 tmp_buf = map_word_load_partial(map, tmp_buf, buf, 0, len);
1180 1180
1181 ret = do_write_oneword(map, &cfi->chips[chipnum], 1181 ret = do_write_oneword(map, &cfi->chips[chipnum],
1182 ofs, tmp_buf); 1182 ofs, tmp_buf);
1183 if (ret) 1183 if (ret)
1184 return ret; 1184 return ret;
1185 1185
1186 (*retlen) += len; 1186 (*retlen) += len;
1187 } 1187 }
1188 1188
@@ -1194,7 +1194,7 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len,
1194 * FIXME: interleaved mode not tested, and probably not supported! 1194 * FIXME: interleaved mode not tested, and probably not supported!
1195 */ 1195 */
1196static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, 1196static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1197 unsigned long adr, const u_char *buf, 1197 unsigned long adr, const u_char *buf,
1198 int len) 1198 int len)
1199{ 1199{
1200 struct cfi_private *cfi = map->fldrv_priv; 1200 struct cfi_private *cfi = map->fldrv_priv;
@@ -1224,7 +1224,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1224 XIP_INVAL_CACHED_RANGE(map, adr, len); 1224 XIP_INVAL_CACHED_RANGE(map, adr, len);
1225 ENABLE_VPP(map); 1225 ENABLE_VPP(map);
1226 xip_disable(map, chip, cmd_adr); 1226 xip_disable(map, chip, cmd_adr);
1227 1227
1228 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 1228 cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
1229 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL); 1229 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, cfi->device_type, NULL);
1230 //cfi_send_gen_cmd(0xA0, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL); 1230 //cfi_send_gen_cmd(0xA0, cfi->addr_unlock1, chip->start, map, cfi, cfi->device_type, NULL);
@@ -1258,8 +1258,8 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
1258 adr, map_bankwidth(map), 1258 adr, map_bankwidth(map),
1259 chip->word_write_time); 1259 chip->word_write_time);
1260 1260
1261 timeo = jiffies + uWriteTimeout; 1261 timeo = jiffies + uWriteTimeout;
1262 1262
1263 for (;;) { 1263 for (;;) {
1264 if (chip->state != FL_WRITING) { 1264 if (chip->state != FL_WRITING) {
1265 /* Someone's suspended the write. Sleep */ 1265 /* Someone's suspended the write. Sleep */
@@ -1353,7 +1353,7 @@ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
1353 if (size % map_bankwidth(map)) 1353 if (size % map_bankwidth(map))
1354 size -= size % map_bankwidth(map); 1354 size -= size % map_bankwidth(map);
1355 1355
1356 ret = do_write_buffer(map, &cfi->chips[chipnum], 1356 ret = do_write_buffer(map, &cfi->chips[chipnum],
1357 ofs, buf, size); 1357 ofs, buf, size);
1358 if (ret) 1358 if (ret)
1359 return ret; 1359 return ret;
@@ -1364,7 +1364,7 @@ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len,
1364 len -= size; 1364 len -= size;
1365 1365
1366 if (ofs >> cfi->chipshift) { 1366 if (ofs >> cfi->chipshift) {
1367 chipnum ++; 1367 chipnum ++;
1368 ofs = 0; 1368 ofs = 0;
1369 if (chipnum == cfi->numchips) 1369 if (chipnum == cfi->numchips)
1370 return 0; 1370 return 0;
@@ -1581,7 +1581,7 @@ int cfi_amdstd_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
1581 1581
1582 instr->state = MTD_ERASE_DONE; 1582 instr->state = MTD_ERASE_DONE;
1583 mtd_erase_callback(instr); 1583 mtd_erase_callback(instr);
1584 1584
1585 return 0; 1585 return 0;
1586} 1586}
1587 1587
@@ -1604,7 +1604,7 @@ static int cfi_amdstd_erase_chip(struct mtd_info *mtd, struct erase_info *instr)
1604 1604
1605 instr->state = MTD_ERASE_DONE; 1605 instr->state = MTD_ERASE_DONE;
1606 mtd_erase_callback(instr); 1606 mtd_erase_callback(instr);
1607 1607
1608 return 0; 1608 return 0;
1609} 1609}
1610 1610
@@ -1631,7 +1631,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
1631 case FL_JEDEC_QUERY: 1631 case FL_JEDEC_QUERY:
1632 chip->oldstate = chip->state; 1632 chip->oldstate = chip->state;
1633 chip->state = FL_SYNCING; 1633 chip->state = FL_SYNCING;
1634 /* No need to wake_up() on this state change - 1634 /* No need to wake_up() on this state change -
1635 * as the whole point is that nobody can do anything 1635 * as the whole point is that nobody can do anything
1636 * with the chip now anyway. 1636 * with the chip now anyway.
1637 */ 1637 */
@@ -1642,13 +1642,13 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
1642 default: 1642 default:
1643 /* Not an idle state */ 1643 /* Not an idle state */
1644 add_wait_queue(&chip->wq, &wait); 1644 add_wait_queue(&chip->wq, &wait);
1645 1645
1646 spin_unlock(chip->mutex); 1646 spin_unlock(chip->mutex);
1647 1647
1648 schedule(); 1648 schedule();
1649 1649
1650 remove_wait_queue(&chip->wq, &wait); 1650 remove_wait_queue(&chip->wq, &wait);
1651 1651
1652 goto retry; 1652 goto retry;
1653 } 1653 }
1654 } 1654 }
@@ -1659,7 +1659,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
1659 chip = &cfi->chips[i]; 1659 chip = &cfi->chips[i];
1660 1660
1661 spin_lock(chip->mutex); 1661 spin_lock(chip->mutex);
1662 1662
1663 if (chip->state == FL_SYNCING) { 1663 if (chip->state == FL_SYNCING) {
1664 chip->state = chip->oldstate; 1664 chip->state = chip->oldstate;
1665 wake_up(&chip->wq); 1665 wake_up(&chip->wq);
@@ -1689,7 +1689,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
1689 case FL_JEDEC_QUERY: 1689 case FL_JEDEC_QUERY:
1690 chip->oldstate = chip->state; 1690 chip->oldstate = chip->state;
1691 chip->state = FL_PM_SUSPENDED; 1691 chip->state = FL_PM_SUSPENDED;
1692 /* No need to wake_up() on this state change - 1692 /* No need to wake_up() on this state change -
1693 * as the whole point is that nobody can do anything 1693 * as the whole point is that nobody can do anything
1694 * with the chip now anyway. 1694 * with the chip now anyway.
1695 */ 1695 */
@@ -1710,7 +1710,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
1710 chip = &cfi->chips[i]; 1710 chip = &cfi->chips[i];
1711 1711
1712 spin_lock(chip->mutex); 1712 spin_lock(chip->mutex);
1713 1713
1714 if (chip->state == FL_PM_SUSPENDED) { 1714 if (chip->state == FL_PM_SUSPENDED) {
1715 chip->state = chip->oldstate; 1715 chip->state = chip->oldstate;
1716 wake_up(&chip->wq); 1716 wake_up(&chip->wq);
@@ -1718,7 +1718,7 @@ static int cfi_amdstd_suspend(struct mtd_info *mtd)
1718 spin_unlock(chip->mutex); 1718 spin_unlock(chip->mutex);
1719 } 1719 }
1720 } 1720 }
1721 1721
1722 return ret; 1722 return ret;
1723} 1723}
1724 1724
@@ -1731,11 +1731,11 @@ static void cfi_amdstd_resume(struct mtd_info *mtd)
1731 struct flchip *chip; 1731 struct flchip *chip;
1732 1732
1733 for (i=0; i<cfi->numchips; i++) { 1733 for (i=0; i<cfi->numchips; i++) {
1734 1734
1735 chip = &cfi->chips[i]; 1735 chip = &cfi->chips[i];
1736 1736
1737 spin_lock(chip->mutex); 1737 spin_lock(chip->mutex);
1738 1738
1739 if (chip->state == FL_PM_SUSPENDED) { 1739 if (chip->state == FL_PM_SUSPENDED) {
1740 chip->state = FL_READY; 1740 chip->state = FL_READY;
1741 map_write(map, CMD(0xF0), chip->start); 1741 map_write(map, CMD(0xF0), chip->start);
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index d22df2d96788..39e3c2d9441f 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -4,7 +4,7 @@
4 * 4 *
5 * (C) 2000 Red Hat. GPL'd 5 * (C) 2000 Red Hat. GPL'd
6 * 6 *
7 * $Id: cfi_cmdset_0020.c,v 1.20 2005/07/20 21:01:14 tpoynor Exp $ 7 * $Id: cfi_cmdset_0020.c,v 1.22 2005/11/07 11:14:22 gleixner Exp $
8 * 8 *
9 * 10/10/2000 Nicolas Pitre <nico@cam.org> 9 * 10/10/2000 Nicolas Pitre <nico@cam.org>
10 * - completely revamped method functions so they are aware and 10 * - completely revamped method functions so they are aware and
@@ -81,17 +81,17 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
81 printk(" - Page-mode read: %s\n", extp->FeatureSupport&128?"supported":"unsupported"); 81 printk(" - Page-mode read: %s\n", extp->FeatureSupport&128?"supported":"unsupported");
82 printk(" - Synchronous read: %s\n", extp->FeatureSupport&256?"supported":"unsupported"); 82 printk(" - Synchronous read: %s\n", extp->FeatureSupport&256?"supported":"unsupported");
83 for (i=9; i<32; i++) { 83 for (i=9; i<32; i++) {
84 if (extp->FeatureSupport & (1<<i)) 84 if (extp->FeatureSupport & (1<<i))
85 printk(" - Unknown Bit %X: supported\n", i); 85 printk(" - Unknown Bit %X: supported\n", i);
86 } 86 }
87 87
88 printk(" Supported functions after Suspend: %2.2X\n", extp->SuspendCmdSupport); 88 printk(" Supported functions after Suspend: %2.2X\n", extp->SuspendCmdSupport);
89 printk(" - Program after Erase Suspend: %s\n", extp->SuspendCmdSupport&1?"supported":"unsupported"); 89 printk(" - Program after Erase Suspend: %s\n", extp->SuspendCmdSupport&1?"supported":"unsupported");
90 for (i=1; i<8; i++) { 90 for (i=1; i<8; i++) {
91 if (extp->SuspendCmdSupport & (1<<i)) 91 if (extp->SuspendCmdSupport & (1<<i))
92 printk(" - Unknown Bit %X: supported\n", i); 92 printk(" - Unknown Bit %X: supported\n", i);
93 } 93 }
94 94
95 printk(" Block Status Register Mask: %4.4X\n", extp->BlkStatusRegMask); 95 printk(" Block Status Register Mask: %4.4X\n", extp->BlkStatusRegMask);
96 printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no"); 96 printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no");
97 printk(" - Valid Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no"); 97 printk(" - Valid Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no");
@@ -99,11 +99,11 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
99 if (extp->BlkStatusRegMask & (1<<i)) 99 if (extp->BlkStatusRegMask & (1<<i))
100 printk(" - Unknown Bit %X Active: yes\n",i); 100 printk(" - Unknown Bit %X Active: yes\n",i);
101 } 101 }
102 102
103 printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n", 103 printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n",
104 extp->VccOptimal >> 8, extp->VccOptimal & 0xf); 104 extp->VccOptimal >> 8, extp->VccOptimal & 0xf);
105 if (extp->VppOptimal) 105 if (extp->VppOptimal)
106 printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n", 106 printk(" Vpp Programming Supply Optimum Program/Erase Voltage: %d.%d V\n",
107 extp->VppOptimal >> 8, extp->VppOptimal & 0xf); 107 extp->VppOptimal >> 8, extp->VppOptimal & 0xf);
108} 108}
109#endif 109#endif
@@ -121,7 +121,7 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary)
121 int i; 121 int i;
122 122
123 if (cfi->cfi_mode) { 123 if (cfi->cfi_mode) {
124 /* 124 /*
125 * It's a real CFI chip, not one for which the probe 125 * It's a real CFI chip, not one for which the probe
126 * routine faked a CFI structure. So we read the feature 126 * routine faked a CFI structure. So we read the feature
127 * table from it. 127 * table from it.
@@ -145,21 +145,21 @@ struct mtd_info *cfi_cmdset_0020(struct map_info *map, int primary)
145 /* Do some byteswapping if necessary */ 145 /* Do some byteswapping if necessary */
146 extp->FeatureSupport = cfi32_to_cpu(extp->FeatureSupport); 146 extp->FeatureSupport = cfi32_to_cpu(extp->FeatureSupport);
147 extp->BlkStatusRegMask = cfi32_to_cpu(extp->BlkStatusRegMask); 147 extp->BlkStatusRegMask = cfi32_to_cpu(extp->BlkStatusRegMask);
148 148
149#ifdef DEBUG_CFI_FEATURES 149#ifdef DEBUG_CFI_FEATURES
150 /* Tell the user about it in lots of lovely detail */ 150 /* Tell the user about it in lots of lovely detail */
151 cfi_tell_features(extp); 151 cfi_tell_features(extp);
152#endif 152#endif
153 153
154 /* Install our own private info structure */ 154 /* Install our own private info structure */
155 cfi->cmdset_priv = extp; 155 cfi->cmdset_priv = extp;
156 } 156 }
157 157
158 for (i=0; i< cfi->numchips; i++) { 158 for (i=0; i< cfi->numchips; i++) {
159 cfi->chips[i].word_write_time = 128; 159 cfi->chips[i].word_write_time = 128;
160 cfi->chips[i].buffer_write_time = 128; 160 cfi->chips[i].buffer_write_time = 128;
161 cfi->chips[i].erase_time = 1024; 161 cfi->chips[i].erase_time = 1024;
162 } 162 }
163 163
164 return cfi_staa_setup(map); 164 return cfi_staa_setup(map);
165} 165}
@@ -187,15 +187,15 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
187 mtd->size = devsize * cfi->numchips; 187 mtd->size = devsize * cfi->numchips;
188 188
189 mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips; 189 mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips;
190 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info) 190 mtd->eraseregions = kmalloc(sizeof(struct mtd_erase_region_info)
191 * mtd->numeraseregions, GFP_KERNEL); 191 * mtd->numeraseregions, GFP_KERNEL);
192 if (!mtd->eraseregions) { 192 if (!mtd->eraseregions) {
193 printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n"); 193 printk(KERN_ERR "Failed to allocate memory for MTD erase region info\n");
194 kfree(cfi->cmdset_priv); 194 kfree(cfi->cmdset_priv);
195 kfree(mtd); 195 kfree(mtd);
196 return NULL; 196 return NULL;
197 } 197 }
198 198
199 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) { 199 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) {
200 unsigned long ernum, ersize; 200 unsigned long ernum, ersize;
201 ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave; 201 ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave;
@@ -228,7 +228,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
228 mtd->eraseregions[i].numblocks); 228 mtd->eraseregions[i].numblocks);
229 } 229 }
230 230
231 /* Also select the correct geometry setup too */ 231 /* Also select the correct geometry setup too */
232 mtd->erase = cfi_staa_erase_varsize; 232 mtd->erase = cfi_staa_erase_varsize;
233 mtd->read = cfi_staa_read; 233 mtd->read = cfi_staa_read;
234 mtd->write = cfi_staa_write_buffers; 234 mtd->write = cfi_staa_write_buffers;
@@ -259,8 +259,8 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
259 259
260 adr += chip->start; 260 adr += chip->start;
261 261
262 /* Ensure cmd read/writes are aligned. */ 262 /* Ensure cmd read/writes are aligned. */
263 cmd_addr = adr & ~(map_bankwidth(map)-1); 263 cmd_addr = adr & ~(map_bankwidth(map)-1);
264 264
265 /* Let's determine this according to the interleave only once */ 265 /* Let's determine this according to the interleave only once */
266 status_OK = CMD(0x80); 266 status_OK = CMD(0x80);
@@ -276,7 +276,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
276 case FL_ERASING: 276 case FL_ERASING:
277 if (!(((struct cfi_pri_intelext *)cfi->cmdset_priv)->FeatureSupport & 2)) 277 if (!(((struct cfi_pri_intelext *)cfi->cmdset_priv)->FeatureSupport & 2))
278 goto sleep; /* We don't support erase suspend */ 278 goto sleep; /* We don't support erase suspend */
279 279
280 map_write (map, CMD(0xb0), cmd_addr); 280 map_write (map, CMD(0xb0), cmd_addr);
281 /* If the flash has finished erasing, then 'erase suspend' 281 /* If the flash has finished erasing, then 'erase suspend'
282 * appears to make some (28F320) flash devices switch to 282 * appears to make some (28F320) flash devices switch to
@@ -291,7 +291,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
291 status = map_read(map, cmd_addr); 291 status = map_read(map, cmd_addr);
292 if (map_word_andequal(map, status, status_OK, status_OK)) 292 if (map_word_andequal(map, status, status_OK, status_OK))
293 break; 293 break;
294 294
295 if (time_after(jiffies, timeo)) { 295 if (time_after(jiffies, timeo)) {
296 /* Urgh */ 296 /* Urgh */
297 map_write(map, CMD(0xd0), cmd_addr); 297 map_write(map, CMD(0xd0), cmd_addr);
@@ -303,17 +303,17 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
303 "suspended: status = 0x%lx\n", status.x[0]); 303 "suspended: status = 0x%lx\n", status.x[0]);
304 return -EIO; 304 return -EIO;
305 } 305 }
306 306
307 spin_unlock_bh(chip->mutex); 307 spin_unlock_bh(chip->mutex);
308 cfi_udelay(1); 308 cfi_udelay(1);
309 spin_lock_bh(chip->mutex); 309 spin_lock_bh(chip->mutex);
310 } 310 }
311 311
312 suspended = 1; 312 suspended = 1;
313 map_write(map, CMD(0xff), cmd_addr); 313 map_write(map, CMD(0xff), cmd_addr);
314 chip->state = FL_READY; 314 chip->state = FL_READY;
315 break; 315 break;
316 316
317#if 0 317#if 0
318 case FL_WRITING: 318 case FL_WRITING:
319 /* Not quite yet */ 319 /* Not quite yet */
@@ -334,7 +334,7 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
334 chip->state = FL_READY; 334 chip->state = FL_READY;
335 break; 335 break;
336 } 336 }
337 337
338 /* Urgh. Chip not yet ready to talk to us. */ 338 /* Urgh. Chip not yet ready to talk to us. */
339 if (time_after(jiffies, timeo)) { 339 if (time_after(jiffies, timeo)) {
340 spin_unlock_bh(chip->mutex); 340 spin_unlock_bh(chip->mutex);
@@ -364,17 +364,17 @@ static inline int do_read_onechip(struct map_info *map, struct flchip *chip, lof
364 364
365 if (suspended) { 365 if (suspended) {
366 chip->state = chip->oldstate; 366 chip->state = chip->oldstate;
367 /* What if one interleaved chip has finished and the 367 /* What if one interleaved chip has finished and the
368 other hasn't? The old code would leave the finished 368 other hasn't? The old code would leave the finished
369 one in READY mode. That's bad, and caused -EROFS 369 one in READY mode. That's bad, and caused -EROFS
370 errors to be returned from do_erase_oneblock because 370 errors to be returned from do_erase_oneblock because
371 that's the only bit it checked for at the time. 371 that's the only bit it checked for at the time.
372 As the state machine appears to explicitly allow 372 As the state machine appears to explicitly allow
373 sending the 0x70 (Read Status) command to an erasing 373 sending the 0x70 (Read Status) command to an erasing
374 chip and expecting it to be ignored, that's what we 374 chip and expecting it to be ignored, that's what we
375 do. */ 375 do. */
376 map_write(map, CMD(0xd0), cmd_addr); 376 map_write(map, CMD(0xd0), cmd_addr);
377 map_write(map, CMD(0x70), cmd_addr); 377 map_write(map, CMD(0x70), cmd_addr);
378 } 378 }
379 379
380 wake_up(&chip->wq); 380 wake_up(&chip->wq);
@@ -414,14 +414,14 @@ static int cfi_staa_read (struct mtd_info *mtd, loff_t from, size_t len, size_t
414 *retlen += thislen; 414 *retlen += thislen;
415 len -= thislen; 415 len -= thislen;
416 buf += thislen; 416 buf += thislen;
417 417
418 ofs = 0; 418 ofs = 0;
419 chipnum++; 419 chipnum++;
420 } 420 }
421 return ret; 421 return ret;
422} 422}
423 423
424static inline int do_write_buffer(struct map_info *map, struct flchip *chip, 424static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
425 unsigned long adr, const u_char *buf, int len) 425 unsigned long adr, const u_char *buf, int len)
426{ 426{
427 struct cfi_private *cfi = map->fldrv_priv; 427 struct cfi_private *cfi = map->fldrv_priv;
@@ -429,7 +429,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
429 unsigned long cmd_adr, timeo; 429 unsigned long cmd_adr, timeo;
430 DECLARE_WAITQUEUE(wait, current); 430 DECLARE_WAITQUEUE(wait, current);
431 int wbufsize, z; 431 int wbufsize, z;
432 432
433 /* M58LW064A requires bus alignment for buffer wriets -- saw */ 433 /* M58LW064A requires bus alignment for buffer wriets -- saw */
434 if (adr & (map_bankwidth(map)-1)) 434 if (adr & (map_bankwidth(map)-1))
435 return -EINVAL; 435 return -EINVAL;
@@ -437,10 +437,10 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
437 wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize; 437 wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
438 adr += chip->start; 438 adr += chip->start;
439 cmd_adr = adr & ~(wbufsize-1); 439 cmd_adr = adr & ~(wbufsize-1);
440 440
441 /* Let's determine this according to the interleave only once */ 441 /* Let's determine this according to the interleave only once */
442 status_OK = CMD(0x80); 442 status_OK = CMD(0x80);
443 443
444 timeo = jiffies + HZ; 444 timeo = jiffies + HZ;
445 retry: 445 retry:
446 446
@@ -448,7 +448,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
448 printk("%s: chip->state[%d]\n", __FUNCTION__, chip->state); 448 printk("%s: chip->state[%d]\n", __FUNCTION__, chip->state);
449#endif 449#endif
450 spin_lock_bh(chip->mutex); 450 spin_lock_bh(chip->mutex);
451 451
452 /* Check that the chip's ready to talk to us. 452 /* Check that the chip's ready to talk to us.
453 * Later, we can actually think about interrupting it 453 * Later, we can actually think about interrupting it
454 * if it's in FL_ERASING state. 454 * if it's in FL_ERASING state.
@@ -457,7 +457,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
457 switch (chip->state) { 457 switch (chip->state) {
458 case FL_READY: 458 case FL_READY:
459 break; 459 break;
460 460
461 case FL_CFI_QUERY: 461 case FL_CFI_QUERY:
462 case FL_JEDEC_QUERY: 462 case FL_JEDEC_QUERY:
463 map_write(map, CMD(0x70), cmd_adr); 463 map_write(map, CMD(0x70), cmd_adr);
@@ -522,7 +522,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
522 522
523 /* Write length of data to come */ 523 /* Write length of data to come */
524 map_write(map, CMD(len/map_bankwidth(map)-1), cmd_adr ); 524 map_write(map, CMD(len/map_bankwidth(map)-1), cmd_adr );
525 525
526 /* Write data */ 526 /* Write data */
527 for (z = 0; z < len; 527 for (z = 0; z < len;
528 z += map_bankwidth(map), buf += map_bankwidth(map)) { 528 z += map_bankwidth(map), buf += map_bankwidth(map)) {
@@ -569,7 +569,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
569 printk(KERN_ERR "waiting for chip to be ready timed out in bufwrite\n"); 569 printk(KERN_ERR "waiting for chip to be ready timed out in bufwrite\n");
570 return -EIO; 570 return -EIO;
571 } 571 }
572 572
573 /* Latency issues. Drop the lock, wait a while and retry */ 573 /* Latency issues. Drop the lock, wait a while and retry */
574 spin_unlock_bh(chip->mutex); 574 spin_unlock_bh(chip->mutex);
575 cfi_udelay(1); 575 cfi_udelay(1);
@@ -581,9 +581,9 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
581 if (!chip->buffer_write_time) 581 if (!chip->buffer_write_time)
582 chip->buffer_write_time++; 582 chip->buffer_write_time++;
583 } 583 }
584 if (z > 1) 584 if (z > 1)
585 chip->buffer_write_time++; 585 chip->buffer_write_time++;
586 586
587 /* Done and happy. */ 587 /* Done and happy. */
588 DISABLE_VPP(map); 588 DISABLE_VPP(map);
589 chip->state = FL_STATUS; 589 chip->state = FL_STATUS;
@@ -607,7 +607,7 @@ static inline int do_write_buffer(struct map_info *map, struct flchip *chip,
607 return 0; 607 return 0;
608} 608}
609 609
610static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to, 610static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to,
611 size_t len, size_t *retlen, const u_char *buf) 611 size_t len, size_t *retlen, const u_char *buf)
612{ 612{
613 struct map_info *map = mtd->priv; 613 struct map_info *map = mtd->priv;
@@ -629,7 +629,7 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to,
629 printk("%s: chipnum[%x] wbufsize[%x]\n", __FUNCTION__, chipnum, wbufsize); 629 printk("%s: chipnum[%x] wbufsize[%x]\n", __FUNCTION__, chipnum, wbufsize);
630 printk("%s: ofs[%x] len[%x]\n", __FUNCTION__, ofs, len); 630 printk("%s: ofs[%x] len[%x]\n", __FUNCTION__, ofs, len);
631#endif 631#endif
632 632
633 /* Write buffer is worth it only if more than one word to write... */ 633 /* Write buffer is worth it only if more than one word to write... */
634 while (len > 0) { 634 while (len > 0) {
635 /* We must not cross write block boundaries */ 635 /* We must not cross write block boundaries */
@@ -638,7 +638,7 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to,
638 if (size > len) 638 if (size > len)
639 size = len; 639 size = len;
640 640
641 ret = do_write_buffer(map, &cfi->chips[chipnum], 641 ret = do_write_buffer(map, &cfi->chips[chipnum],
642 ofs, buf, size); 642 ofs, buf, size);
643 if (ret) 643 if (ret)
644 return ret; 644 return ret;
@@ -649,13 +649,13 @@ static int cfi_staa_write_buffers (struct mtd_info *mtd, loff_t to,
649 len -= size; 649 len -= size;
650 650
651 if (ofs >> cfi->chipshift) { 651 if (ofs >> cfi->chipshift) {
652 chipnum ++; 652 chipnum ++;
653 ofs = 0; 653 ofs = 0;
654 if (chipnum == cfi->numchips) 654 if (chipnum == cfi->numchips)
655 return 0; 655 return 0;
656 } 656 }
657 } 657 }
658 658
659 return 0; 659 return 0;
660} 660}
661 661
@@ -765,7 +765,7 @@ retry:
765 status = map_read(map, adr); 765 status = map_read(map, adr);
766 if (map_word_andequal(map, status, status_OK, status_OK)) 766 if (map_word_andequal(map, status, status_OK, status_OK))
767 break; 767 break;
768 768
769 /* Urgh. Chip not yet ready to talk to us. */ 769 /* Urgh. Chip not yet ready to talk to us. */
770 if (time_after(jiffies, timeo)) { 770 if (time_after(jiffies, timeo)) {
771 spin_unlock_bh(chip->mutex); 771 spin_unlock_bh(chip->mutex);
@@ -798,7 +798,7 @@ retry:
798 map_write(map, CMD(0x20), adr); 798 map_write(map, CMD(0x20), adr);
799 map_write(map, CMD(0xD0), adr); 799 map_write(map, CMD(0xD0), adr);
800 chip->state = FL_ERASING; 800 chip->state = FL_ERASING;
801 801
802 spin_unlock_bh(chip->mutex); 802 spin_unlock_bh(chip->mutex);
803 msleep(1000); 803 msleep(1000);
804 spin_lock_bh(chip->mutex); 804 spin_lock_bh(chip->mutex);
@@ -823,7 +823,7 @@ retry:
823 status = map_read(map, adr); 823 status = map_read(map, adr);
824 if (map_word_andequal(map, status, status_OK, status_OK)) 824 if (map_word_andequal(map, status, status_OK, status_OK))
825 break; 825 break;
826 826
827 /* OK Still waiting */ 827 /* OK Still waiting */
828 if (time_after(jiffies, timeo)) { 828 if (time_after(jiffies, timeo)) {
829 map_write(map, CMD(0x70), adr); 829 map_write(map, CMD(0x70), adr);
@@ -833,13 +833,13 @@ retry:
833 spin_unlock_bh(chip->mutex); 833 spin_unlock_bh(chip->mutex);
834 return -EIO; 834 return -EIO;
835 } 835 }
836 836
837 /* Latency issues. Drop the lock, wait a while and retry */ 837 /* Latency issues. Drop the lock, wait a while and retry */
838 spin_unlock_bh(chip->mutex); 838 spin_unlock_bh(chip->mutex);
839 cfi_udelay(1); 839 cfi_udelay(1);
840 spin_lock_bh(chip->mutex); 840 spin_lock_bh(chip->mutex);
841 } 841 }
842 842
843 DISABLE_VPP(map); 843 DISABLE_VPP(map);
844 ret = 0; 844 ret = 0;
845 845
@@ -864,7 +864,7 @@ retry:
864 /* Reset the error bits */ 864 /* Reset the error bits */
865 map_write(map, CMD(0x50), adr); 865 map_write(map, CMD(0x50), adr);
866 map_write(map, CMD(0x70), adr); 866 map_write(map, CMD(0x70), adr);
867 867
868 if ((chipstatus & 0x30) == 0x30) { 868 if ((chipstatus & 0x30) == 0x30) {
869 printk(KERN_NOTICE "Chip reports improper command sequence: status 0x%x\n", chipstatus); 869 printk(KERN_NOTICE "Chip reports improper command sequence: status 0x%x\n", chipstatus);
870 ret = -EIO; 870 ret = -EIO;
@@ -913,17 +913,17 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
913 913
914 i = 0; 914 i = 0;
915 915
916 /* Skip all erase regions which are ended before the start of 916 /* Skip all erase regions which are ended before the start of
917 the requested erase. Actually, to save on the calculations, 917 the requested erase. Actually, to save on the calculations,
918 we skip to the first erase region which starts after the 918 we skip to the first erase region which starts after the
919 start of the requested erase, and then go back one. 919 start of the requested erase, and then go back one.
920 */ 920 */
921 921
922 while (i < mtd->numeraseregions && instr->addr >= regions[i].offset) 922 while (i < mtd->numeraseregions && instr->addr >= regions[i].offset)
923 i++; 923 i++;
924 i--; 924 i--;
925 925
926 /* OK, now i is pointing at the erase region in which this 926 /* OK, now i is pointing at the erase region in which this
927 erase request starts. Check the start of the requested 927 erase request starts. Check the start of the requested
928 erase range is aligned with the erase size which is in 928 erase range is aligned with the erase size which is in
929 effect here. 929 effect here.
@@ -946,7 +946,7 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
946 the address actually falls 946 the address actually falls
947 */ 947 */
948 i--; 948 i--;
949 949
950 if ((instr->addr + instr->len) & (regions[i].erasesize-1)) 950 if ((instr->addr + instr->len) & (regions[i].erasesize-1))
951 return -EINVAL; 951 return -EINVAL;
952 952
@@ -958,7 +958,7 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
958 958
959 while(len) { 959 while(len) {
960 ret = do_erase_oneblock(map, &cfi->chips[chipnum], adr); 960 ret = do_erase_oneblock(map, &cfi->chips[chipnum], adr);
961 961
962 if (ret) 962 if (ret)
963 return ret; 963 return ret;
964 964
@@ -971,15 +971,15 @@ int cfi_staa_erase_varsize(struct mtd_info *mtd, struct erase_info *instr)
971 if (adr >> cfi->chipshift) { 971 if (adr >> cfi->chipshift) {
972 adr = 0; 972 adr = 0;
973 chipnum++; 973 chipnum++;
974 974
975 if (chipnum >= cfi->numchips) 975 if (chipnum >= cfi->numchips)
976 break; 976 break;
977 } 977 }
978 } 978 }
979 979
980 instr->state = MTD_ERASE_DONE; 980 instr->state = MTD_ERASE_DONE;
981 mtd_erase_callback(instr); 981 mtd_erase_callback(instr);
982 982
983 return 0; 983 return 0;
984} 984}
985 985
@@ -1005,7 +1005,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
1005 case FL_JEDEC_QUERY: 1005 case FL_JEDEC_QUERY:
1006 chip->oldstate = chip->state; 1006 chip->oldstate = chip->state;
1007 chip->state = FL_SYNCING; 1007 chip->state = FL_SYNCING;
1008 /* No need to wake_up() on this state change - 1008 /* No need to wake_up() on this state change -
1009 * as the whole point is that nobody can do anything 1009 * as the whole point is that nobody can do anything
1010 * with the chip now anyway. 1010 * with the chip now anyway.
1011 */ 1011 */
@@ -1016,11 +1016,11 @@ static void cfi_staa_sync (struct mtd_info *mtd)
1016 default: 1016 default:
1017 /* Not an idle state */ 1017 /* Not an idle state */
1018 add_wait_queue(&chip->wq, &wait); 1018 add_wait_queue(&chip->wq, &wait);
1019 1019
1020 spin_unlock_bh(chip->mutex); 1020 spin_unlock_bh(chip->mutex);
1021 schedule(); 1021 schedule();
1022 remove_wait_queue(&chip->wq, &wait); 1022 remove_wait_queue(&chip->wq, &wait);
1023 1023
1024 goto retry; 1024 goto retry;
1025 } 1025 }
1026 } 1026 }
@@ -1031,7 +1031,7 @@ static void cfi_staa_sync (struct mtd_info *mtd)
1031 chip = &cfi->chips[i]; 1031 chip = &cfi->chips[i];
1032 1032
1033 spin_lock_bh(chip->mutex); 1033 spin_lock_bh(chip->mutex);
1034 1034
1035 if (chip->state == FL_SYNCING) { 1035 if (chip->state == FL_SYNCING) {
1036 chip->state = chip->oldstate; 1036 chip->state = chip->oldstate;
1037 wake_up(&chip->wq); 1037 wake_up(&chip->wq);
@@ -1066,9 +1066,9 @@ retry:
1066 1066
1067 case FL_STATUS: 1067 case FL_STATUS:
1068 status = map_read(map, adr); 1068 status = map_read(map, adr);
1069 if (map_word_andequal(map, status, status_OK, status_OK)) 1069 if (map_word_andequal(map, status, status_OK, status_OK))
1070 break; 1070 break;
1071 1071
1072 /* Urgh. Chip not yet ready to talk to us. */ 1072 /* Urgh. Chip not yet ready to talk to us. */
1073 if (time_after(jiffies, timeo)) { 1073 if (time_after(jiffies, timeo)) {
1074 spin_unlock_bh(chip->mutex); 1074 spin_unlock_bh(chip->mutex);
@@ -1097,7 +1097,7 @@ retry:
1097 map_write(map, CMD(0x60), adr); 1097 map_write(map, CMD(0x60), adr);
1098 map_write(map, CMD(0x01), adr); 1098 map_write(map, CMD(0x01), adr);
1099 chip->state = FL_LOCKING; 1099 chip->state = FL_LOCKING;
1100 1100
1101 spin_unlock_bh(chip->mutex); 1101 spin_unlock_bh(chip->mutex);
1102 msleep(1000); 1102 msleep(1000);
1103 spin_lock_bh(chip->mutex); 1103 spin_lock_bh(chip->mutex);
@@ -1111,7 +1111,7 @@ retry:
1111 status = map_read(map, adr); 1111 status = map_read(map, adr);
1112 if (map_word_andequal(map, status, status_OK, status_OK)) 1112 if (map_word_andequal(map, status, status_OK, status_OK))
1113 break; 1113 break;
1114 1114
1115 /* OK Still waiting */ 1115 /* OK Still waiting */
1116 if (time_after(jiffies, timeo)) { 1116 if (time_after(jiffies, timeo)) {
1117 map_write(map, CMD(0x70), adr); 1117 map_write(map, CMD(0x70), adr);
@@ -1121,13 +1121,13 @@ retry:
1121 spin_unlock_bh(chip->mutex); 1121 spin_unlock_bh(chip->mutex);
1122 return -EIO; 1122 return -EIO;
1123 } 1123 }
1124 1124
1125 /* Latency issues. Drop the lock, wait a while and retry */ 1125 /* Latency issues. Drop the lock, wait a while and retry */
1126 spin_unlock_bh(chip->mutex); 1126 spin_unlock_bh(chip->mutex);
1127 cfi_udelay(1); 1127 cfi_udelay(1);
1128 spin_lock_bh(chip->mutex); 1128 spin_lock_bh(chip->mutex);
1129 } 1129 }
1130 1130
1131 /* Done and happy. */ 1131 /* Done and happy. */
1132 chip->state = FL_STATUS; 1132 chip->state = FL_STATUS;
1133 DISABLE_VPP(map); 1133 DISABLE_VPP(map);
@@ -1171,8 +1171,8 @@ static int cfi_staa_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
1171 cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL); 1171 cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL);
1172 printk("after lock: block status register is %x\n",cfi_read_query(map, adr+(2*ofs_factor))); 1172 printk("after lock: block status register is %x\n",cfi_read_query(map, adr+(2*ofs_factor)));
1173 cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL); 1173 cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL);
1174#endif 1174#endif
1175 1175
1176 if (ret) 1176 if (ret)
1177 return ret; 1177 return ret;
1178 1178
@@ -1182,7 +1182,7 @@ static int cfi_staa_lock(struct mtd_info *mtd, loff_t ofs, size_t len)
1182 if (adr >> cfi->chipshift) { 1182 if (adr >> cfi->chipshift) {
1183 adr = 0; 1183 adr = 0;
1184 chipnum++; 1184 chipnum++;
1185 1185
1186 if (chipnum >= cfi->numchips) 1186 if (chipnum >= cfi->numchips)
1187 break; 1187 break;
1188 } 1188 }
@@ -1217,7 +1217,7 @@ retry:
1217 status = map_read(map, adr); 1217 status = map_read(map, adr);
1218 if (map_word_andequal(map, status, status_OK, status_OK)) 1218 if (map_word_andequal(map, status, status_OK, status_OK))
1219 break; 1219 break;
1220 1220
1221 /* Urgh. Chip not yet ready to talk to us. */ 1221 /* Urgh. Chip not yet ready to talk to us. */
1222 if (time_after(jiffies, timeo)) { 1222 if (time_after(jiffies, timeo)) {
1223 spin_unlock_bh(chip->mutex); 1223 spin_unlock_bh(chip->mutex);
@@ -1246,7 +1246,7 @@ retry:
1246 map_write(map, CMD(0x60), adr); 1246 map_write(map, CMD(0x60), adr);
1247 map_write(map, CMD(0xD0), adr); 1247 map_write(map, CMD(0xD0), adr);
1248 chip->state = FL_UNLOCKING; 1248 chip->state = FL_UNLOCKING;
1249 1249
1250 spin_unlock_bh(chip->mutex); 1250 spin_unlock_bh(chip->mutex);
1251 msleep(1000); 1251 msleep(1000);
1252 spin_lock_bh(chip->mutex); 1252 spin_lock_bh(chip->mutex);
@@ -1260,7 +1260,7 @@ retry:
1260 status = map_read(map, adr); 1260 status = map_read(map, adr);
1261 if (map_word_andequal(map, status, status_OK, status_OK)) 1261 if (map_word_andequal(map, status, status_OK, status_OK))
1262 break; 1262 break;
1263 1263
1264 /* OK Still waiting */ 1264 /* OK Still waiting */
1265 if (time_after(jiffies, timeo)) { 1265 if (time_after(jiffies, timeo)) {
1266 map_write(map, CMD(0x70), adr); 1266 map_write(map, CMD(0x70), adr);
@@ -1270,13 +1270,13 @@ retry:
1270 spin_unlock_bh(chip->mutex); 1270 spin_unlock_bh(chip->mutex);
1271 return -EIO; 1271 return -EIO;
1272 } 1272 }
1273 1273
1274 /* Latency issues. Drop the unlock, wait a while and retry */ 1274 /* Latency issues. Drop the unlock, wait a while and retry */
1275 spin_unlock_bh(chip->mutex); 1275 spin_unlock_bh(chip->mutex);
1276 cfi_udelay(1); 1276 cfi_udelay(1);
1277 spin_lock_bh(chip->mutex); 1277 spin_lock_bh(chip->mutex);
1278 } 1278 }
1279 1279
1280 /* Done and happy. */ 1280 /* Done and happy. */
1281 chip->state = FL_STATUS; 1281 chip->state = FL_STATUS;
1282 DISABLE_VPP(map); 1282 DISABLE_VPP(map);
@@ -1301,7 +1301,7 @@ static int cfi_staa_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
1301 { 1301 {
1302 unsigned long temp_adr = adr; 1302 unsigned long temp_adr = adr;
1303 unsigned long temp_len = len; 1303 unsigned long temp_len = len;
1304 1304
1305 cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL); 1305 cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL);
1306 while (temp_len) { 1306 while (temp_len) {
1307 printk("before unlock %x: block status register is %x\n",temp_adr,cfi_read_query(map, temp_adr+(2*ofs_factor))); 1307 printk("before unlock %x: block status register is %x\n",temp_adr,cfi_read_query(map, temp_adr+(2*ofs_factor)));
@@ -1319,7 +1319,7 @@ static int cfi_staa_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
1319 printk("after unlock: block status register is %x\n",cfi_read_query(map, adr+(2*ofs_factor))); 1319 printk("after unlock: block status register is %x\n",cfi_read_query(map, adr+(2*ofs_factor)));
1320 cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL); 1320 cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL);
1321#endif 1321#endif
1322 1322
1323 return ret; 1323 return ret;
1324} 1324}
1325 1325
@@ -1343,7 +1343,7 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
1343 case FL_JEDEC_QUERY: 1343 case FL_JEDEC_QUERY:
1344 chip->oldstate = chip->state; 1344 chip->oldstate = chip->state;
1345 chip->state = FL_PM_SUSPENDED; 1345 chip->state = FL_PM_SUSPENDED;
1346 /* No need to wake_up() on this state change - 1346 /* No need to wake_up() on this state change -
1347 * as the whole point is that nobody can do anything 1347 * as the whole point is that nobody can do anything
1348 * with the chip now anyway. 1348 * with the chip now anyway.
1349 */ 1349 */
@@ -1362,9 +1362,9 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
1362 if (ret) { 1362 if (ret) {
1363 for (i--; i >=0; i--) { 1363 for (i--; i >=0; i--) {
1364 chip = &cfi->chips[i]; 1364 chip = &cfi->chips[i];
1365 1365
1366 spin_lock_bh(chip->mutex); 1366 spin_lock_bh(chip->mutex);
1367 1367
1368 if (chip->state == FL_PM_SUSPENDED) { 1368 if (chip->state == FL_PM_SUSPENDED) {
1369 /* No need to force it into a known state here, 1369 /* No need to force it into a known state here,
1370 because we're returning failure, and it didn't 1370 because we're returning failure, and it didn't
@@ -1374,8 +1374,8 @@ static int cfi_staa_suspend(struct mtd_info *mtd)
1374 } 1374 }
1375 spin_unlock_bh(chip->mutex); 1375 spin_unlock_bh(chip->mutex);
1376 } 1376 }
1377 } 1377 }
1378 1378
1379 return ret; 1379 return ret;
1380} 1380}
1381 1381
@@ -1387,11 +1387,11 @@ static void cfi_staa_resume(struct mtd_info *mtd)
1387 struct flchip *chip; 1387 struct flchip *chip;
1388 1388
1389 for (i=0; i<cfi->numchips; i++) { 1389 for (i=0; i<cfi->numchips; i++) {
1390 1390
1391 chip = &cfi->chips[i]; 1391 chip = &cfi->chips[i];
1392 1392
1393 spin_lock_bh(chip->mutex); 1393 spin_lock_bh(chip->mutex);
1394 1394
1395 /* Go to known state. Chip may have been power cycled */ 1395 /* Go to known state. Chip may have been power cycled */
1396 if (chip->state == FL_PM_SUSPENDED) { 1396 if (chip->state == FL_PM_SUSPENDED) {
1397 map_write(map, CMD(0xFF), 0); 1397 map_write(map, CMD(0xFF), 0);
diff --git a/drivers/mtd/chips/cfi_probe.c b/drivers/mtd/chips/cfi_probe.c
index cf750038ce6a..90eb30e06b7c 100644
--- a/drivers/mtd/chips/cfi_probe.c
+++ b/drivers/mtd/chips/cfi_probe.c
@@ -1,7 +1,7 @@
1/* 1/*
2 Common Flash Interface probe code. 2 Common Flash Interface probe code.
3 (C) 2000 Red Hat. GPL'd. 3 (C) 2000 Red Hat. GPL'd.
4 $Id: cfi_probe.c,v 1.83 2004/11/16 18:19:02 nico Exp $ 4 $Id: cfi_probe.c,v 1.84 2005/11/07 11:14:23 gleixner Exp $
5*/ 5*/
6 6
7#include <linux/config.h> 7#include <linux/config.h>
@@ -20,7 +20,7 @@
20#include <linux/mtd/cfi.h> 20#include <linux/mtd/cfi.h>
21#include <linux/mtd/gen_probe.h> 21#include <linux/mtd/gen_probe.h>
22 22
23//#define DEBUG_CFI 23//#define DEBUG_CFI
24 24
25#ifdef DEBUG_CFI 25#ifdef DEBUG_CFI
26static void print_cfi_ident(struct cfi_ident *); 26static void print_cfi_ident(struct cfi_ident *);
@@ -103,7 +103,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
103 unsigned long *chip_map, struct cfi_private *cfi) 103 unsigned long *chip_map, struct cfi_private *cfi)
104{ 104{
105 int i; 105 int i;
106 106
107 if ((base + 0) >= map->size) { 107 if ((base + 0) >= map->size) {
108 printk(KERN_NOTICE 108 printk(KERN_NOTICE
109 "Probe at base[0x00](0x%08lx) past the end of the map(0x%08lx)\n", 109 "Probe at base[0x00](0x%08lx) past the end of the map(0x%08lx)\n",
@@ -128,7 +128,7 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
128 } 128 }
129 129
130 if (!cfi->numchips) { 130 if (!cfi->numchips) {
131 /* This is the first time we're called. Set up the CFI 131 /* This is the first time we're called. Set up the CFI
132 stuff accordingly and return */ 132 stuff accordingly and return */
133 return cfi_chip_setup(map, cfi); 133 return cfi_chip_setup(map, cfi);
134 } 134 }
@@ -138,13 +138,13 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
138 unsigned long start; 138 unsigned long start;
139 if(!test_bit(i, chip_map)) { 139 if(!test_bit(i, chip_map)) {
140 /* Skip location; no valid chip at this address */ 140 /* Skip location; no valid chip at this address */
141 continue; 141 continue;
142 } 142 }
143 start = i << cfi->chipshift; 143 start = i << cfi->chipshift;
144 /* This chip should be in read mode if it's one 144 /* This chip should be in read mode if it's one
145 we've already touched. */ 145 we've already touched. */
146 if (qry_present(map, start, cfi)) { 146 if (qry_present(map, start, cfi)) {
147 /* Eep. This chip also had the QRY marker. 147 /* Eep. This chip also had the QRY marker.
148 * Is it an alias for the new one? */ 148 * Is it an alias for the new one? */
149 cfi_send_gen_cmd(0xF0, 0, start, map, cfi, cfi->device_type, NULL); 149 cfi_send_gen_cmd(0xF0, 0, start, map, cfi, cfi->device_type, NULL);
150 cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL); 150 cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL);
@@ -156,13 +156,13 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
156 map->name, base, start); 156 map->name, base, start);
157 return 0; 157 return 0;
158 } 158 }
159 /* Yes, it's actually got QRY for data. Most 159 /* Yes, it's actually got QRY for data. Most
160 * unfortunate. Stick the new chip in read mode 160 * unfortunate. Stick the new chip in read mode
161 * too and if it's the same, assume it's an alias. */ 161 * too and if it's the same, assume it's an alias. */
162 /* FIXME: Use other modes to do a proper check */ 162 /* FIXME: Use other modes to do a proper check */
163 cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); 163 cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
164 cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL); 164 cfi_send_gen_cmd(0xFF, 0, start, map, cfi, cfi->device_type, NULL);
165 165
166 if (qry_present(map, base, cfi)) { 166 if (qry_present(map, base, cfi)) {
167 xip_allowed(base, map); 167 xip_allowed(base, map);
168 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n", 168 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
@@ -171,12 +171,12 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
171 } 171 }
172 } 172 }
173 } 173 }
174 174
175 /* OK, if we got to here, then none of the previous chips appear to 175 /* OK, if we got to here, then none of the previous chips appear to
176 be aliases for the current one. */ 176 be aliases for the current one. */
177 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */ 177 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
178 cfi->numchips++; 178 cfi->numchips++;
179 179
180 /* Put it back into Read Mode */ 180 /* Put it back into Read Mode */
181 cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); 181 cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
182 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); 182 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
@@ -185,11 +185,11 @@ static int __xipram cfi_probe_chip(struct map_info *map, __u32 base,
185 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", 185 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
186 map->name, cfi->interleave, cfi->device_type*8, base, 186 map->name, cfi->interleave, cfi->device_type*8, base,
187 map->bankwidth*8); 187 map->bankwidth*8);
188 188
189 return 1; 189 return 1;
190} 190}
191 191
192static int __xipram cfi_chip_setup(struct map_info *map, 192static int __xipram cfi_chip_setup(struct map_info *map,
193 struct cfi_private *cfi) 193 struct cfi_private *cfi)
194{ 194{
195 int ofs_factor = cfi->interleave*cfi->device_type; 195 int ofs_factor = cfi->interleave*cfi->device_type;
@@ -209,11 +209,11 @@ static int __xipram cfi_chip_setup(struct map_info *map,
209 printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name); 209 printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
210 return 0; 210 return 0;
211 } 211 }
212 212
213 memset(cfi->cfiq,0,sizeof(struct cfi_ident)); 213 memset(cfi->cfiq,0,sizeof(struct cfi_ident));
214 214
215 cfi->cfi_mode = CFI_MODE_CFI; 215 cfi->cfi_mode = CFI_MODE_CFI;
216 216
217 /* Read the CFI info structure */ 217 /* Read the CFI info structure */
218 xip_disable_qry(base, map, cfi); 218 xip_disable_qry(base, map, cfi);
219 for (i=0; i<(sizeof(struct cfi_ident) + num_erase_regions * 4); i++) 219 for (i=0; i<(sizeof(struct cfi_ident) + num_erase_regions * 4); i++)
@@ -231,7 +231,7 @@ static int __xipram cfi_chip_setup(struct map_info *map,
231 cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL); 231 cfi_send_gen_cmd(0x55, 0x2aa, base, map, cfi, cfi->device_type, NULL);
232 cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL); 232 cfi_send_gen_cmd(0x90, 0x555, base, map, cfi, cfi->device_type, NULL);
233 cfi->mfr = cfi_read_query(map, base); 233 cfi->mfr = cfi_read_query(map, base);
234 cfi->id = cfi_read_query(map, base + ofs_factor); 234 cfi->id = cfi_read_query(map, base + ofs_factor);
235 235
236 /* Put it back into Read Mode */ 236 /* Put it back into Read Mode */
237 cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); 237 cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
@@ -255,10 +255,10 @@ static int __xipram cfi_chip_setup(struct map_info *map,
255 255
256 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) { 256 for (i=0; i<cfi->cfiq->NumEraseRegions; i++) {
257 cfi->cfiq->EraseRegionInfo[i] = le32_to_cpu(cfi->cfiq->EraseRegionInfo[i]); 257 cfi->cfiq->EraseRegionInfo[i] = le32_to_cpu(cfi->cfiq->EraseRegionInfo[i]);
258 258
259#ifdef DEBUG_CFI 259#ifdef DEBUG_CFI
260 printk(" Erase Region #%d: BlockSize 0x%4.4X bytes, %d blocks\n", 260 printk(" Erase Region #%d: BlockSize 0x%4.4X bytes, %d blocks\n",
261 i, (cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff, 261 i, (cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff,
262 (cfi->cfiq->EraseRegionInfo[i] & 0xffff) + 1); 262 (cfi->cfiq->EraseRegionInfo[i] & 0xffff) + 1);
263#endif 263#endif
264 } 264 }
@@ -271,33 +271,33 @@ static int __xipram cfi_chip_setup(struct map_info *map,
271} 271}
272 272
273#ifdef DEBUG_CFI 273#ifdef DEBUG_CFI
274static char *vendorname(__u16 vendor) 274static char *vendorname(__u16 vendor)
275{ 275{
276 switch (vendor) { 276 switch (vendor) {
277 case P_ID_NONE: 277 case P_ID_NONE:
278 return "None"; 278 return "None";
279 279
280 case P_ID_INTEL_EXT: 280 case P_ID_INTEL_EXT:
281 return "Intel/Sharp Extended"; 281 return "Intel/Sharp Extended";
282 282
283 case P_ID_AMD_STD: 283 case P_ID_AMD_STD:
284 return "AMD/Fujitsu Standard"; 284 return "AMD/Fujitsu Standard";
285 285
286 case P_ID_INTEL_STD: 286 case P_ID_INTEL_STD:
287 return "Intel/Sharp Standard"; 287 return "Intel/Sharp Standard";
288 288
289 case P_ID_AMD_EXT: 289 case P_ID_AMD_EXT:
290 return "AMD/Fujitsu Extended"; 290 return "AMD/Fujitsu Extended";
291 291
292 case P_ID_WINBOND: 292 case P_ID_WINBOND:
293 return "Winbond Standard"; 293 return "Winbond Standard";
294 294
295 case P_ID_ST_ADV: 295 case P_ID_ST_ADV:
296 return "ST Advanced"; 296 return "ST Advanced";
297 297
298 case P_ID_MITSUBISHI_STD: 298 case P_ID_MITSUBISHI_STD:
299 return "Mitsubishi Standard"; 299 return "Mitsubishi Standard";
300 300
301 case P_ID_MITSUBISHI_EXT: 301 case P_ID_MITSUBISHI_EXT:
302 return "Mitsubishi Extended"; 302 return "Mitsubishi Extended";
303 303
@@ -306,13 +306,13 @@ static char *vendorname(__u16 vendor)
306 306
307 case P_ID_INTEL_PERFORMANCE: 307 case P_ID_INTEL_PERFORMANCE:
308 return "Intel Performance Code"; 308 return "Intel Performance Code";
309 309
310 case P_ID_INTEL_DATA: 310 case P_ID_INTEL_DATA:
311 return "Intel Data"; 311 return "Intel Data";
312 312
313 case P_ID_RESERVED: 313 case P_ID_RESERVED:
314 return "Not Allowed / Reserved for Future Use"; 314 return "Not Allowed / Reserved for Future Use";
315 315
316 default: 316 default:
317 return "Unknown"; 317 return "Unknown";
318 } 318 }
@@ -325,21 +325,21 @@ static void print_cfi_ident(struct cfi_ident *cfip)
325 if (cfip->qry[0] != 'Q' || cfip->qry[1] != 'R' || cfip->qry[2] != 'Y') { 325 if (cfip->qry[0] != 'Q' || cfip->qry[1] != 'R' || cfip->qry[2] != 'Y') {
326 printk("Invalid CFI ident structure.\n"); 326 printk("Invalid CFI ident structure.\n");
327 return; 327 return;
328 } 328 }
329#endif 329#endif
330 printk("Primary Vendor Command Set: %4.4X (%s)\n", cfip->P_ID, vendorname(cfip->P_ID)); 330 printk("Primary Vendor Command Set: %4.4X (%s)\n", cfip->P_ID, vendorname(cfip->P_ID));
331 if (cfip->P_ADR) 331 if (cfip->P_ADR)
332 printk("Primary Algorithm Table at %4.4X\n", cfip->P_ADR); 332 printk("Primary Algorithm Table at %4.4X\n", cfip->P_ADR);
333 else 333 else
334 printk("No Primary Algorithm Table\n"); 334 printk("No Primary Algorithm Table\n");
335 335
336 printk("Alternative Vendor Command Set: %4.4X (%s)\n", cfip->A_ID, vendorname(cfip->A_ID)); 336 printk("Alternative Vendor Command Set: %4.4X (%s)\n", cfip->A_ID, vendorname(cfip->A_ID));
337 if (cfip->A_ADR) 337 if (cfip->A_ADR)
338 printk("Alternate Algorithm Table at %4.4X\n", cfip->A_ADR); 338 printk("Alternate Algorithm Table at %4.4X\n", cfip->A_ADR);
339 else 339 else
340 printk("No Alternate Algorithm Table\n"); 340 printk("No Alternate Algorithm Table\n");
341 341
342 342
343 printk("Vcc Minimum: %2d.%d V\n", cfip->VccMin >> 4, cfip->VccMin & 0xf); 343 printk("Vcc Minimum: %2d.%d V\n", cfip->VccMin >> 4, cfip->VccMin & 0xf);
344 printk("Vcc Maximum: %2d.%d V\n", cfip->VccMax >> 4, cfip->VccMax & 0xf); 344 printk("Vcc Maximum: %2d.%d V\n", cfip->VccMax >> 4, cfip->VccMax & 0xf);
345 if (cfip->VppMin) { 345 if (cfip->VppMin) {
@@ -348,61 +348,61 @@ static void print_cfi_ident(struct cfi_ident *cfip)
348 } 348 }
349 else 349 else
350 printk("No Vpp line\n"); 350 printk("No Vpp line\n");
351 351
352 printk("Typical byte/word write timeout: %d µs\n", 1<<cfip->WordWriteTimeoutTyp); 352 printk("Typical byte/word write timeout: %d µs\n", 1<<cfip->WordWriteTimeoutTyp);
353 printk("Maximum byte/word write timeout: %d µs\n", (1<<cfip->WordWriteTimeoutMax) * (1<<cfip->WordWriteTimeoutTyp)); 353 printk("Maximum byte/word write timeout: %d µs\n", (1<<cfip->WordWriteTimeoutMax) * (1<<cfip->WordWriteTimeoutTyp));
354 354
355 if (cfip->BufWriteTimeoutTyp || cfip->BufWriteTimeoutMax) { 355 if (cfip->BufWriteTimeoutTyp || cfip->BufWriteTimeoutMax) {
356 printk("Typical full buffer write timeout: %d µs\n", 1<<cfip->BufWriteTimeoutTyp); 356 printk("Typical full buffer write timeout: %d µs\n", 1<<cfip->BufWriteTimeoutTyp);
357 printk("Maximum full buffer write timeout: %d µs\n", (1<<cfip->BufWriteTimeoutMax) * (1<<cfip->BufWriteTimeoutTyp)); 357 printk("Maximum full buffer write timeout: %d µs\n", (1<<cfip->BufWriteTimeoutMax) * (1<<cfip->BufWriteTimeoutTyp));
358 } 358 }
359 else 359 else
360 printk("Full buffer write not supported\n"); 360 printk("Full buffer write not supported\n");
361 361
362 printk("Typical block erase timeout: %d ms\n", 1<<cfip->BlockEraseTimeoutTyp); 362 printk("Typical block erase timeout: %d ms\n", 1<<cfip->BlockEraseTimeoutTyp);
363 printk("Maximum block erase timeout: %d ms\n", (1<<cfip->BlockEraseTimeoutMax) * (1<<cfip->BlockEraseTimeoutTyp)); 363 printk("Maximum block erase timeout: %d ms\n", (1<<cfip->BlockEraseTimeoutMax) * (1<<cfip->BlockEraseTimeoutTyp));
364 if (cfip->ChipEraseTimeoutTyp || cfip->ChipEraseTimeoutMax) { 364 if (cfip->ChipEraseTimeoutTyp || cfip->ChipEraseTimeoutMax) {
365 printk("Typical chip erase timeout: %d ms\n", 1<<cfip->ChipEraseTimeoutTyp); 365 printk("Typical chip erase timeout: %d ms\n", 1<<cfip->ChipEraseTimeoutTyp);
366 printk("Maximum chip erase timeout: %d ms\n", (1<<cfip->ChipEraseTimeoutMax) * (1<<cfip->ChipEraseTimeoutTyp)); 366 printk("Maximum chip erase timeout: %d ms\n", (1<<cfip->ChipEraseTimeoutMax) * (1<<cfip->ChipEraseTimeoutTyp));
367 } 367 }
368 else 368 else
369 printk("Chip erase not supported\n"); 369 printk("Chip erase not supported\n");
370 370
371 printk("Device size: 0x%X bytes (%d MiB)\n", 1 << cfip->DevSize, 1<< (cfip->DevSize - 20)); 371 printk("Device size: 0x%X bytes (%d MiB)\n", 1 << cfip->DevSize, 1<< (cfip->DevSize - 20));
372 printk("Flash Device Interface description: 0x%4.4X\n", cfip->InterfaceDesc); 372 printk("Flash Device Interface description: 0x%4.4X\n", cfip->InterfaceDesc);
373 switch(cfip->InterfaceDesc) { 373 switch(cfip->InterfaceDesc) {
374 case 0: 374 case 0:
375 printk(" - x8-only asynchronous interface\n"); 375 printk(" - x8-only asynchronous interface\n");
376 break; 376 break;
377 377
378 case 1: 378 case 1:
379 printk(" - x16-only asynchronous interface\n"); 379 printk(" - x16-only asynchronous interface\n");
380 break; 380 break;
381 381
382 case 2: 382 case 2:
383 printk(" - supports x8 and x16 via BYTE# with asynchronous interface\n"); 383 printk(" - supports x8 and x16 via BYTE# with asynchronous interface\n");
384 break; 384 break;
385 385
386 case 3: 386 case 3:
387 printk(" - x32-only asynchronous interface\n"); 387 printk(" - x32-only asynchronous interface\n");
388 break; 388 break;
389 389
390 case 4: 390 case 4:
391 printk(" - supports x16 and x32 via Word# with asynchronous interface\n"); 391 printk(" - supports x16 and x32 via Word# with asynchronous interface\n");
392 break; 392 break;
393 393
394 case 65535: 394 case 65535:
395 printk(" - Not Allowed / Reserved\n"); 395 printk(" - Not Allowed / Reserved\n");
396 break; 396 break;
397 397
398 default: 398 default:
399 printk(" - Unknown\n"); 399 printk(" - Unknown\n");
400 break; 400 break;
401 } 401 }
402 402
403 printk("Max. bytes in buffer write: 0x%x\n", 1<< cfip->MaxBufWriteSize); 403 printk("Max. bytes in buffer write: 0x%x\n", 1<< cfip->MaxBufWriteSize);
404 printk("Number of Erase Block Regions: %d\n", cfip->NumEraseRegions); 404 printk("Number of Erase Block Regions: %d\n", cfip->NumEraseRegions);
405 405
406} 406}
407#endif /* DEBUG_CFI */ 407#endif /* DEBUG_CFI */
408 408
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index 0cf183f01e49..d8e7a026ba5a 100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
@@ -7,7 +7,7 @@
7 * 7 *
8 * This code is covered by the GPL. 8 * This code is covered by the GPL.
9 * 9 *
10 * $Id: cfi_util.c,v 1.9 2005/07/20 21:01:14 tpoynor Exp $ 10 * $Id: cfi_util.c,v 1.10 2005/11/07 11:14:23 gleixner Exp $
11 * 11 *
12 */ 12 */
13 13
@@ -56,7 +56,7 @@ __xipram cfi_read_pri(struct map_info *map, __u16 adr, __u16 size, const char* n
56 56
57 /* Read in the Extended Query Table */ 57 /* Read in the Extended Query Table */
58 for (i=0; i<size; i++) { 58 for (i=0; i<size; i++) {
59 ((unsigned char *)extp)[i] = 59 ((unsigned char *)extp)[i] =
60 cfi_read_query(map, base+((adr+i)*ofs_factor)); 60 cfi_read_query(map, base+((adr+i)*ofs_factor));
61 } 61 }
62 62
@@ -113,17 +113,17 @@ int cfi_varsize_frob(struct mtd_info *mtd, varsize_frob_t frob,
113 113
114 i = 0; 114 i = 0;
115 115
116 /* Skip all erase regions which are ended before the start of 116 /* Skip all erase regions which are ended before the start of
117 the requested erase. Actually, to save on the calculations, 117 the requested erase. Actually, to save on the calculations,
118 we skip to the first erase region which starts after the 118 we skip to the first erase region which starts after the
119 start of the requested erase, and then go back one. 119 start of the requested erase, and then go back one.
120 */ 120 */
121 121
122 while (i < mtd->numeraseregions && ofs >= regions[i].offset) 122 while (i < mtd->numeraseregions && ofs >= regions[i].offset)
123 i++; 123 i++;
124 i--; 124 i--;
125 125
126 /* OK, now i is pointing at the erase region in which this 126 /* OK, now i is pointing at the erase region in which this
127 erase request starts. Check the start of the requested 127 erase request starts. Check the start of the requested
128 erase range is aligned with the erase size which is in 128 erase range is aligned with the erase size which is in
129 effect here. 129 effect here.
@@ -146,7 +146,7 @@ int cfi_varsize_frob(struct mtd_info *mtd, varsize_frob_t frob,
146 the address actually falls 146 the address actually falls
147 */ 147 */
148 i--; 148 i--;
149 149
150 if ((ofs + len) & (regions[i].erasesize-1)) 150 if ((ofs + len) & (regions[i].erasesize-1))
151 return -EINVAL; 151 return -EINVAL;
152 152
@@ -159,7 +159,7 @@ int cfi_varsize_frob(struct mtd_info *mtd, varsize_frob_t frob,
159 int size = regions[i].erasesize; 159 int size = regions[i].erasesize;
160 160
161 ret = (*frob)(map, &cfi->chips[chipnum], adr, size, thunk); 161 ret = (*frob)(map, &cfi->chips[chipnum], adr, size, thunk);
162 162
163 if (ret) 163 if (ret)
164 return ret; 164 return ret;
165 165
@@ -173,7 +173,7 @@ int cfi_varsize_frob(struct mtd_info *mtd, varsize_frob_t frob,
173 if (adr >> cfi->chipshift) { 173 if (adr >> cfi->chipshift) {
174 adr = 0; 174 adr = 0;
175 chipnum++; 175 chipnum++;
176 176
177 if (chipnum >= cfi->numchips) 177 if (chipnum >= cfi->numchips)
178 break; 178 break;
179 } 179 }
diff --git a/drivers/mtd/chips/chipreg.c b/drivers/mtd/chips/chipreg.c
index d7d739a108ae..c2127840a183 100644
--- a/drivers/mtd/chips/chipreg.c
+++ b/drivers/mtd/chips/chipreg.c
@@ -41,7 +41,7 @@ static struct mtd_chip_driver *get_mtd_chip_driver (const char *name)
41 41
42 list_for_each(pos, &chip_drvs_list) { 42 list_for_each(pos, &chip_drvs_list) {
43 this = list_entry(pos, typeof(*this), list); 43 this = list_entry(pos, typeof(*this), list);
44 44
45 if (!strcmp(this->name, name)) { 45 if (!strcmp(this->name, name)) {
46 ret = this; 46 ret = this;
47 break; 47 break;
@@ -73,7 +73,7 @@ struct mtd_info *do_map_probe(const char *name, struct map_info *map)
73 73
74 ret = drv->probe(map); 74 ret = drv->probe(map);
75 75
76 /* We decrease the use count here. It may have been a 76 /* We decrease the use count here. It may have been a
77 probe-only module, which is no longer required from this 77 probe-only module, which is no longer required from this
78 point, having given us a handle on (and increased the use 78 point, having given us a handle on (and increased the use
79 count of) the actual driver code. 79 count of) the actual driver code.
@@ -82,7 +82,7 @@ struct mtd_info *do_map_probe(const char *name, struct map_info *map)
82 82
83 if (ret) 83 if (ret)
84 return ret; 84 return ret;
85 85
86 return NULL; 86 return NULL;
87} 87}
88/* 88/*
diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h
index e1a5b76596c5..77303ce5dcf1 100644
--- a/drivers/mtd/chips/fwh_lock.h
+++ b/drivers/mtd/chips/fwh_lock.h
@@ -25,7 +25,7 @@ struct fwh_xxlock_thunk {
25 * so this code has not been tested with interleaved chips, 25 * so this code has not been tested with interleaved chips,
26 * and will likely fail in that context. 26 * and will likely fail in that context.
27 */ 27 */
28static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip, 28static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
29 unsigned long adr, int len, void *thunk) 29 unsigned long adr, int len, void *thunk)
30{ 30{
31 struct cfi_private *cfi = map->fldrv_priv; 31 struct cfi_private *cfi = map->fldrv_priv;
@@ -44,7 +44,7 @@ static int fwh_xxlock_oneblock(struct map_info *map, struct flchip *chip,
44 * - on 64k boundariesand 44 * - on 64k boundariesand
45 * - bit 1 set high 45 * - bit 1 set high
46 * - block lock registers are 4MiB lower - overflow subtract (danger) 46 * - block lock registers are 4MiB lower - overflow subtract (danger)
47 * 47 *
48 * The address manipulation is first done on the logical address 48 * The address manipulation is first done on the logical address
49 * which is 0 at the start of the chip, and then the offset of 49 * which is 0 at the start of the chip, and then the offset of
50 * the individual chip is addted to it. Any other order a weird 50 * the individual chip is addted to it. Any other order a weird
@@ -93,7 +93,7 @@ static int fwh_unlock_varsize(struct mtd_info *mtd, loff_t ofs, size_t len)
93 93
94 ret = cfi_varsize_frob(mtd, fwh_xxlock_oneblock, ofs, len, 94 ret = cfi_varsize_frob(mtd, fwh_xxlock_oneblock, ofs, len,
95 (void *)&FWH_XXLOCK_ONEBLOCK_UNLOCK); 95 (void *)&FWH_XXLOCK_ONEBLOCK_UNLOCK);
96 96
97 return ret; 97 return ret;
98} 98}
99 99
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index 28807eb9fc86..41bd59d20d85 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -2,7 +2,7 @@
2 * Routines common to all CFI-type probes. 2 * Routines common to all CFI-type probes.
3 * (C) 2001-2003 Red Hat, Inc. 3 * (C) 2001-2003 Red Hat, Inc.
4 * GPL'd 4 * GPL'd
5 * $Id: gen_probe.c,v 1.23 2005/08/06 04:40:41 nico Exp $ 5 * $Id: gen_probe.c,v 1.24 2005/11/07 11:14:23 gleixner Exp $
6 */ 6 */
7 7
8#include <linux/kernel.h> 8#include <linux/kernel.h>
@@ -26,7 +26,7 @@ struct mtd_info *mtd_do_chip_probe(struct map_info *map, struct chip_probe *cp)
26 26
27 /* First probe the map to see if we have CFI stuff there. */ 27 /* First probe the map to see if we have CFI stuff there. */
28 cfi = genprobe_ident_chips(map, cp); 28 cfi = genprobe_ident_chips(map, cp);
29 29
30 if (!cfi) 30 if (!cfi)
31 return NULL; 31 return NULL;
32 32
@@ -36,12 +36,12 @@ struct mtd_info *mtd_do_chip_probe(struct map_info *map, struct chip_probe *cp)
36 mtd = check_cmd_set(map, 1); /* First the primary cmdset */ 36 mtd = check_cmd_set(map, 1); /* First the primary cmdset */
37 if (!mtd) 37 if (!mtd)
38 mtd = check_cmd_set(map, 0); /* Then the secondary */ 38 mtd = check_cmd_set(map, 0); /* Then the secondary */
39 39
40 if (mtd) 40 if (mtd)
41 return mtd; 41 return mtd;
42 42
43 printk(KERN_WARNING"gen_probe: No supported Vendor Command Set found\n"); 43 printk(KERN_WARNING"gen_probe: No supported Vendor Command Set found\n");
44 44
45 kfree(cfi->cfiq); 45 kfree(cfi->cfiq);
46 kfree(cfi); 46 kfree(cfi);
47 map->fldrv_priv = NULL; 47 map->fldrv_priv = NULL;
@@ -60,14 +60,14 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
60 60
61 memset(&cfi, 0, sizeof(cfi)); 61 memset(&cfi, 0, sizeof(cfi));
62 62
63 /* Call the probetype-specific code with all permutations of 63 /* Call the probetype-specific code with all permutations of
64 interleave and device type, etc. */ 64 interleave and device type, etc. */
65 if (!genprobe_new_chip(map, cp, &cfi)) { 65 if (!genprobe_new_chip(map, cp, &cfi)) {
66 /* The probe didn't like it */ 66 /* The probe didn't like it */
67 printk(KERN_DEBUG "%s: Found no %s device at location zero\n", 67 printk(KERN_DEBUG "%s: Found no %s device at location zero\n",
68 cp->name, map->name); 68 cp->name, map->name);
69 return NULL; 69 return NULL;
70 } 70 }
71 71
72#if 0 /* Let the CFI probe routine do this sanity check. The Intel and AMD 72#if 0 /* Let the CFI probe routine do this sanity check. The Intel and AMD
73 probe routines won't ever return a broken CFI structure anyway, 73 probe routines won't ever return a broken CFI structure anyway,
@@ -92,13 +92,13 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
92 } else { 92 } else {
93 BUG(); 93 BUG();
94 } 94 }
95 95
96 cfi.numchips = 1; 96 cfi.numchips = 1;
97 97
98 /* 98 /*
99 * Allocate memory for bitmap of valid chips. 99 * Allocate memory for bitmap of valid chips.
100 * Align bitmap storage size to full byte. 100 * Align bitmap storage size to full byte.
101 */ 101 */
102 max_chips = map->size >> cfi.chipshift; 102 max_chips = map->size >> cfi.chipshift;
103 mapsize = (max_chips / 8) + ((max_chips % 8) ? 1 : 0); 103 mapsize = (max_chips / 8) + ((max_chips % 8) ? 1 : 0);
104 chip_map = kmalloc(mapsize, GFP_KERNEL); 104 chip_map = kmalloc(mapsize, GFP_KERNEL);
@@ -122,7 +122,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
122 } 122 }
123 123
124 /* 124 /*
125 * Now allocate the space for the structures we need to return to 125 * Now allocate the space for the structures we need to return to
126 * our caller, and copy the appropriate data into them. 126 * our caller, and copy the appropriate data into them.
127 */ 127 */
128 128
@@ -154,7 +154,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
154 return retcfi; 154 return retcfi;
155} 155}
156 156
157 157
158static int genprobe_new_chip(struct map_info *map, struct chip_probe *cp, 158static int genprobe_new_chip(struct map_info *map, struct chip_probe *cp,
159 struct cfi_private *cfi) 159 struct cfi_private *cfi)
160{ 160{
@@ -189,7 +189,7 @@ extern cfi_cmdset_fn_t cfi_cmdset_0001;
189extern cfi_cmdset_fn_t cfi_cmdset_0002; 189extern cfi_cmdset_fn_t cfi_cmdset_0002;
190extern cfi_cmdset_fn_t cfi_cmdset_0020; 190extern cfi_cmdset_fn_t cfi_cmdset_0020;
191 191
192static inline struct mtd_info *cfi_cmdset_unknown(struct map_info *map, 192static inline struct mtd_info *cfi_cmdset_unknown(struct map_info *map,
193 int primary) 193 int primary)
194{ 194{
195 struct cfi_private *cfi = map->fldrv_priv; 195 struct cfi_private *cfi = map->fldrv_priv;
@@ -199,7 +199,7 @@ static inline struct mtd_info *cfi_cmdset_unknown(struct map_info *map,
199 cfi_cmdset_fn_t *probe_function; 199 cfi_cmdset_fn_t *probe_function;
200 200
201 sprintf(probename, "cfi_cmdset_%4.4X", type); 201 sprintf(probename, "cfi_cmdset_%4.4X", type);
202 202
203 probe_function = inter_module_get_request(probename, probename); 203 probe_function = inter_module_get_request(probename, probename);
204 204
205 if (probe_function) { 205 if (probe_function) {
@@ -221,7 +221,7 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
221{ 221{
222 struct cfi_private *cfi = map->fldrv_priv; 222 struct cfi_private *cfi = map->fldrv_priv;
223 __u16 type = primary?cfi->cfiq->P_ID:cfi->cfiq->A_ID; 223 __u16 type = primary?cfi->cfiq->P_ID:cfi->cfiq->A_ID;
224 224
225 if (type == P_ID_NONE || type == P_ID_RESERVED) 225 if (type == P_ID_NONE || type == P_ID_RESERVED)
226 return NULL; 226 return NULL;
227 227
diff --git a/drivers/mtd/chips/jedec.c b/drivers/mtd/chips/jedec.c
index 4f6778f3ee3e..c40b48dabed3 100644
--- a/drivers/mtd/chips/jedec.c
+++ b/drivers/mtd/chips/jedec.c
@@ -1,6 +1,6 @@
1 1
2/* JEDEC Flash Interface. 2/* JEDEC Flash Interface.
3 * This is an older type of interface for self programming flash. It is 3 * This is an older type of interface for self programming flash. It is
4 * commonly use in older AMD chips and is obsolete compared with CFI. 4 * commonly use in older AMD chips and is obsolete compared with CFI.
5 * It is called JEDEC because the JEDEC association distributes the ID codes 5 * It is called JEDEC because the JEDEC association distributes the ID codes
6 * for the chips. 6 * for the chips.
@@ -88,9 +88,9 @@ static const struct JEDECTable JEDEC_table[] = {
88 88
89static const struct JEDECTable *jedec_idtoinf(__u8 mfr,__u8 id); 89static const struct JEDECTable *jedec_idtoinf(__u8 mfr,__u8 id);
90static void jedec_sync(struct mtd_info *mtd) {}; 90static void jedec_sync(struct mtd_info *mtd) {};
91static int jedec_read(struct mtd_info *mtd, loff_t from, size_t len, 91static int jedec_read(struct mtd_info *mtd, loff_t from, size_t len,
92 size_t *retlen, u_char *buf); 92 size_t *retlen, u_char *buf);
93static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len, 93static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len,
94 size_t *retlen, u_char *buf); 94 size_t *retlen, u_char *buf);
95 95
96static struct mtd_info *jedec_probe(struct map_info *map); 96static struct mtd_info *jedec_probe(struct map_info *map);
@@ -122,7 +122,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
122 122
123 memset(MTD, 0, sizeof(struct mtd_info) + sizeof(struct jedec_private)); 123 memset(MTD, 0, sizeof(struct mtd_info) + sizeof(struct jedec_private));
124 priv = (struct jedec_private *)&MTD[1]; 124 priv = (struct jedec_private *)&MTD[1];
125 125
126 my_bank_size = map->size; 126 my_bank_size = map->size;
127 127
128 if (map->size/my_bank_size > MAX_JEDEC_CHIPS) 128 if (map->size/my_bank_size > MAX_JEDEC_CHIPS)
@@ -131,13 +131,13 @@ static struct mtd_info *jedec_probe(struct map_info *map)
131 kfree(MTD); 131 kfree(MTD);
132 return NULL; 132 return NULL;
133 } 133 }
134 134
135 for (Base = 0; Base < map->size; Base += my_bank_size) 135 for (Base = 0; Base < map->size; Base += my_bank_size)
136 { 136 {
137 // Perhaps zero could designate all tests? 137 // Perhaps zero could designate all tests?
138 if (map->buswidth == 0) 138 if (map->buswidth == 0)
139 map->buswidth = 1; 139 map->buswidth = 1;
140 140
141 if (map->buswidth == 1){ 141 if (map->buswidth == 1){
142 if (jedec_probe8(map,Base,priv) == 0) { 142 if (jedec_probe8(map,Base,priv) == 0) {
143 printk("did recognize jedec chip\n"); 143 printk("did recognize jedec chip\n");
@@ -150,7 +150,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
150 if (map->buswidth == 4) 150 if (map->buswidth == 4)
151 jedec_probe32(map,Base,priv); 151 jedec_probe32(map,Base,priv);
152 } 152 }
153 153
154 // Get the biggest sector size 154 // Get the biggest sector size
155 SectorSize = 0; 155 SectorSize = 0;
156 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) 156 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++)
@@ -160,7 +160,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
160 if (priv->chips[I].sectorsize > SectorSize) 160 if (priv->chips[I].sectorsize > SectorSize)
161 SectorSize = priv->chips[I].sectorsize; 161 SectorSize = priv->chips[I].sectorsize;
162 } 162 }
163 163
164 // Quickly ensure that the other sector sizes are factors of the largest 164 // Quickly ensure that the other sector sizes are factors of the largest
165 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) 165 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++)
166 { 166 {
@@ -169,9 +169,9 @@ static struct mtd_info *jedec_probe(struct map_info *map)
169 printk("mtd: Failed. Device has incompatible mixed sector sizes\n"); 169 printk("mtd: Failed. Device has incompatible mixed sector sizes\n");
170 kfree(MTD); 170 kfree(MTD);
171 return NULL; 171 return NULL;
172 } 172 }
173 } 173 }
174 174
175 /* Generate a part name that includes the number of different chips and 175 /* Generate a part name that includes the number of different chips and
176 other configuration information */ 176 other configuration information */
177 count = 1; 177 count = 1;
@@ -181,13 +181,13 @@ static struct mtd_info *jedec_probe(struct map_info *map)
181 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) 181 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++)
182 { 182 {
183 const struct JEDECTable *JEDEC; 183 const struct JEDECTable *JEDEC;
184 184
185 if (priv->chips[I+1].jedec == priv->chips[I].jedec) 185 if (priv->chips[I+1].jedec == priv->chips[I].jedec)
186 { 186 {
187 count++; 187 count++;
188 continue; 188 continue;
189 } 189 }
190 190
191 // Locate the chip in the jedec table 191 // Locate the chip in the jedec table
192 JEDEC = jedec_idtoinf(priv->chips[I].jedec >> 8,priv->chips[I].jedec); 192 JEDEC = jedec_idtoinf(priv->chips[I].jedec >> 8,priv->chips[I].jedec);
193 if (JEDEC == 0) 193 if (JEDEC == 0)
@@ -196,11 +196,11 @@ static struct mtd_info *jedec_probe(struct map_info *map)
196 kfree(MTD); 196 kfree(MTD);
197 return NULL; 197 return NULL;
198 } 198 }
199 199
200 if (Uniq != 0) 200 if (Uniq != 0)
201 strcat(Part,","); 201 strcat(Part,",");
202 Uniq++; 202 Uniq++;
203 203
204 if (count != 1) 204 if (count != 1)
205 sprintf(Part+strlen(Part),"%x*[%s]",count,JEDEC->name); 205 sprintf(Part+strlen(Part),"%x*[%s]",count,JEDEC->name);
206 else 206 else
@@ -208,7 +208,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
208 if (strlen(Part) > sizeof(Part)*2/3) 208 if (strlen(Part) > sizeof(Part)*2/3)
209 break; 209 break;
210 count = 1; 210 count = 1;
211 } 211 }
212 212
213 /* Determine if the chips are organized in a linear fashion, or if there 213 /* Determine if the chips are organized in a linear fashion, or if there
214 are empty banks. Note, the last bank does not count here, only the 214 are empty banks. Note, the last bank does not count here, only the
@@ -233,7 +233,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
233 { 233 {
234 if (priv->bank_fill[I] != my_bank_size) 234 if (priv->bank_fill[I] != my_bank_size)
235 priv->is_banked = 1; 235 priv->is_banked = 1;
236 236
237 /* This even could be eliminated, but new de-optimized read/write 237 /* This even could be eliminated, but new de-optimized read/write
238 functions have to be written */ 238 functions have to be written */
239 printk("priv->bank_fill[%d] is %lx, priv->bank_fill[0] is %lx\n",I,priv->bank_fill[I],priv->bank_fill[0]); 239 printk("priv->bank_fill[%d] is %lx, priv->bank_fill[0] is %lx\n",I,priv->bank_fill[I],priv->bank_fill[0]);
@@ -242,7 +242,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
242 printk("mtd: Failed. Cannot handle unsymmetric banking\n"); 242 printk("mtd: Failed. Cannot handle unsymmetric banking\n");
243 kfree(MTD); 243 kfree(MTD);
244 return NULL; 244 return NULL;
245 } 245 }
246 } 246 }
247 } 247 }
248 } 248 }
@@ -250,7 +250,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
250 strcat(Part,", banked"); 250 strcat(Part,", banked");
251 251
252 // printk("Part: '%s'\n",Part); 252 // printk("Part: '%s'\n",Part);
253 253
254 memset(MTD,0,sizeof(*MTD)); 254 memset(MTD,0,sizeof(*MTD));
255 // strlcpy(MTD->name,Part,sizeof(MTD->name)); 255 // strlcpy(MTD->name,Part,sizeof(MTD->name));
256 MTD->name = map->name; 256 MTD->name = map->name;
@@ -291,7 +291,7 @@ static int checkparity(u_char C)
291 291
292/* Take an array of JEDEC numbers that represent interleved flash chips 292/* Take an array of JEDEC numbers that represent interleved flash chips
293 and process them. Check to make sure they are good JEDEC numbers, look 293 and process them. Check to make sure they are good JEDEC numbers, look
294 them up and then add them to the chip list */ 294 them up and then add them to the chip list */
295static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count, 295static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count,
296 unsigned long base,struct jedec_private *priv) 296 unsigned long base,struct jedec_private *priv)
297{ 297{
@@ -306,16 +306,16 @@ static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count,
306 if (checkparity(Mfg[I]) == 0 || checkparity(Id[I]) == 0) 306 if (checkparity(Mfg[I]) == 0 || checkparity(Id[I]) == 0)
307 return 0; 307 return 0;
308 } 308 }
309 309
310 // Finally, just make sure all the chip sizes are the same 310 // Finally, just make sure all the chip sizes are the same
311 JEDEC = jedec_idtoinf(Mfg[0],Id[0]); 311 JEDEC = jedec_idtoinf(Mfg[0],Id[0]);
312 312
313 if (JEDEC == 0) 313 if (JEDEC == 0)
314 { 314 {
315 printk("mtd: Found JEDEC flash chip, but do not have a table entry for %x:%x\n",Mfg[0],Mfg[1]); 315 printk("mtd: Found JEDEC flash chip, but do not have a table entry for %x:%x\n",Mfg[0],Mfg[1]);
316 return 0; 316 return 0;
317 } 317 }
318 318
319 Size = JEDEC->size; 319 Size = JEDEC->size;
320 SectorSize = JEDEC->sectorsize; 320 SectorSize = JEDEC->sectorsize;
321 for (I = 0; I != Count; I++) 321 for (I = 0; I != Count; I++)
@@ -331,7 +331,7 @@ static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count,
331 { 331 {
332 printk("mtd: Failed. Interleved flash does not have matching characteristics\n"); 332 printk("mtd: Failed. Interleved flash does not have matching characteristics\n");
333 return 0; 333 return 0;
334 } 334 }
335 } 335 }
336 336
337 // Load the Chips 337 // Load the Chips
@@ -345,13 +345,13 @@ static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count,
345 { 345 {
346 printk("mtd: Device has too many chips. Increase MAX_JEDEC_CHIPS\n"); 346 printk("mtd: Device has too many chips. Increase MAX_JEDEC_CHIPS\n");
347 return 0; 347 return 0;
348 } 348 }
349 349
350 // Add them to the table 350 // Add them to the table
351 for (J = 0; J != Count; J++) 351 for (J = 0; J != Count; J++)
352 { 352 {
353 unsigned long Bank; 353 unsigned long Bank;
354 354
355 JEDEC = jedec_idtoinf(Mfg[J],Id[J]); 355 JEDEC = jedec_idtoinf(Mfg[J],Id[J]);
356 priv->chips[I].jedec = (Mfg[J] << 8) | Id[J]; 356 priv->chips[I].jedec = (Mfg[J] << 8) | Id[J];
357 priv->chips[I].size = JEDEC->size; 357 priv->chips[I].size = JEDEC->size;
@@ -364,17 +364,17 @@ static int handle_jedecs(struct map_info *map,__u8 *Mfg,__u8 *Id,unsigned Count,
364 // log2 n :| 364 // log2 n :|
365 priv->chips[I].addrshift = 0; 365 priv->chips[I].addrshift = 0;
366 for (Bank = Count; Bank != 1; Bank >>= 1, priv->chips[I].addrshift++); 366 for (Bank = Count; Bank != 1; Bank >>= 1, priv->chips[I].addrshift++);
367 367
368 // Determine how filled this bank is. 368 // Determine how filled this bank is.
369 Bank = base & (~(my_bank_size-1)); 369 Bank = base & (~(my_bank_size-1));
370 if (priv->bank_fill[Bank/my_bank_size] < base + 370 if (priv->bank_fill[Bank/my_bank_size] < base +
371 (JEDEC->size << priv->chips[I].addrshift) - Bank) 371 (JEDEC->size << priv->chips[I].addrshift) - Bank)
372 priv->bank_fill[Bank/my_bank_size] = base + (JEDEC->size << priv->chips[I].addrshift) - Bank; 372 priv->bank_fill[Bank/my_bank_size] = base + (JEDEC->size << priv->chips[I].addrshift) - Bank;
373 I++; 373 I++;
374 } 374 }
375 375
376 priv->size += priv->chips[I-1].size*Count; 376 priv->size += priv->chips[I-1].size*Count;
377 377
378 return priv->chips[I-1].size; 378 return priv->chips[I-1].size;
379} 379}
380 380
@@ -392,7 +392,7 @@ static const struct JEDECTable *jedec_idtoinf(__u8 mfr,__u8 id)
392// Look for flash using an 8 bit bus interface 392// Look for flash using an 8 bit bus interface
393static int jedec_probe8(struct map_info *map,unsigned long base, 393static int jedec_probe8(struct map_info *map,unsigned long base,
394 struct jedec_private *priv) 394 struct jedec_private *priv)
395{ 395{
396 #define flread(x) map_read8(map,base+x) 396 #define flread(x) map_read8(map,base+x)
397 #define flwrite(v,x) map_write8(map,v,base+x) 397 #define flwrite(v,x) map_write8(map,v,base+x)
398 398
@@ -410,20 +410,20 @@ static int jedec_probe8(struct map_info *map,unsigned long base,
410 OldVal = flread(base); 410 OldVal = flread(base);
411 for (I = 0; OldVal != flread(base) && I < 10000; I++) 411 for (I = 0; OldVal != flread(base) && I < 10000; I++)
412 OldVal = flread(base); 412 OldVal = flread(base);
413 413
414 // Reset the chip 414 // Reset the chip
415 flwrite(Reset,0x555); 415 flwrite(Reset,0x555);
416 416
417 // Send the sequence 417 // Send the sequence
418 flwrite(AutoSel1,0x555); 418 flwrite(AutoSel1,0x555);
419 flwrite(AutoSel2,0x2AA); 419 flwrite(AutoSel2,0x2AA);
420 flwrite(AutoSel3,0x555); 420 flwrite(AutoSel3,0x555);
421 421
422 // Get the JEDEC numbers 422 // Get the JEDEC numbers
423 Mfg[0] = flread(0); 423 Mfg[0] = flread(0);
424 Id[0] = flread(1); 424 Id[0] = flread(1);
425 // printk("Mfg is %x, Id is %x\n",Mfg[0],Id[0]); 425 // printk("Mfg is %x, Id is %x\n",Mfg[0],Id[0]);
426 426
427 Size = handle_jedecs(map,Mfg,Id,1,base,priv); 427 Size = handle_jedecs(map,Mfg,Id,1,base,priv);
428 // printk("handle_jedecs Size is %x\n",(unsigned int)Size); 428 // printk("handle_jedecs Size is %x\n",(unsigned int)Size);
429 if (Size == 0) 429 if (Size == 0)
@@ -431,13 +431,13 @@ static int jedec_probe8(struct map_info *map,unsigned long base,
431 flwrite(Reset,0x555); 431 flwrite(Reset,0x555);
432 return 0; 432 return 0;
433 } 433 }
434 434
435 435
436 // Reset. 436 // Reset.
437 flwrite(Reset,0x555); 437 flwrite(Reset,0x555);
438 438
439 return 1; 439 return 1;
440 440
441 #undef flread 441 #undef flread
442 #undef flwrite 442 #undef flwrite
443} 443}
@@ -470,17 +470,17 @@ static int jedec_probe32(struct map_info *map,unsigned long base,
470 OldVal = flread(base); 470 OldVal = flread(base);
471 for (I = 0; OldVal != flread(base) && I < 10000; I++) 471 for (I = 0; OldVal != flread(base) && I < 10000; I++)
472 OldVal = flread(base); 472 OldVal = flread(base);
473 473
474 // Reset the chip 474 // Reset the chip
475 flwrite(Reset,0x555); 475 flwrite(Reset,0x555);
476 476
477 // Send the sequence 477 // Send the sequence
478 flwrite(AutoSel1,0x555); 478 flwrite(AutoSel1,0x555);
479 flwrite(AutoSel2,0x2AA); 479 flwrite(AutoSel2,0x2AA);
480 flwrite(AutoSel3,0x555); 480 flwrite(AutoSel3,0x555);
481 481
482 // Test #1, JEDEC numbers are readable from 0x??00/0x??01 482 // Test #1, JEDEC numbers are readable from 0x??00/0x??01
483 if (flread(0) != flread(0x100) || 483 if (flread(0) != flread(0x100) ||
484 flread(1) != flread(0x101)) 484 flread(1) != flread(0x101))
485 { 485 {
486 flwrite(Reset,0x555); 486 flwrite(Reset,0x555);
@@ -494,14 +494,14 @@ static int jedec_probe32(struct map_info *map,unsigned long base,
494 OldVal = flread(1); 494 OldVal = flread(1);
495 for (I = 0; I != 4; I++) 495 for (I = 0; I != 4; I++)
496 Id[I] = (OldVal >> (I*8)); 496 Id[I] = (OldVal >> (I*8));
497 497
498 Size = handle_jedecs(map,Mfg,Id,4,base,priv); 498 Size = handle_jedecs(map,Mfg,Id,4,base,priv);
499 if (Size == 0) 499 if (Size == 0)
500 { 500 {
501 flwrite(Reset,0x555); 501 flwrite(Reset,0x555);
502 return 0; 502 return 0;
503 } 503 }
504 504
505 /* Check if there is address wrap around within a single bank, if this 505 /* Check if there is address wrap around within a single bank, if this
506 returns JEDEC numbers then we assume that it is wrap around. Notice 506 returns JEDEC numbers then we assume that it is wrap around. Notice
507 we call this routine with the JEDEC return still enabled, if two or 507 we call this routine with the JEDEC return still enabled, if two or
@@ -519,27 +519,27 @@ static int jedec_probe32(struct map_info *map,unsigned long base,
519 519
520 // Reset. 520 // Reset.
521 flwrite(0xF0F0F0F0,0x555); 521 flwrite(0xF0F0F0F0,0x555);
522 522
523 return 1; 523 return 1;
524 524
525 #undef flread 525 #undef flread
526 #undef flwrite 526 #undef flwrite
527} 527}
528 528
529/* Linear read. */ 529/* Linear read. */
530static int jedec_read(struct mtd_info *mtd, loff_t from, size_t len, 530static int jedec_read(struct mtd_info *mtd, loff_t from, size_t len,
531 size_t *retlen, u_char *buf) 531 size_t *retlen, u_char *buf)
532{ 532{
533 struct map_info *map = mtd->priv; 533 struct map_info *map = mtd->priv;
534 534
535 map_copy_from(map, buf, from, len); 535 map_copy_from(map, buf, from, len);
536 *retlen = len; 536 *retlen = len;
537 return 0; 537 return 0;
538} 538}
539 539
540/* Banked read. Take special care to jump past the holes in the bank 540/* Banked read. Take special care to jump past the holes in the bank
541 mapping. This version assumes symetry in the holes.. */ 541 mapping. This version assumes symetry in the holes.. */
542static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len, 542static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len,
543 size_t *retlen, u_char *buf) 543 size_t *retlen, u_char *buf)
544{ 544{
545 struct map_info *map = mtd->priv; 545 struct map_info *map = mtd->priv;
@@ -555,17 +555,17 @@ static int jedec_read_banked(struct mtd_info *mtd, loff_t from, size_t len,
555 if (priv->bank_fill[0] - offset < len) 555 if (priv->bank_fill[0] - offset < len)
556 get = priv->bank_fill[0] - offset; 556 get = priv->bank_fill[0] - offset;
557 557
558 bank /= priv->bank_fill[0]; 558 bank /= priv->bank_fill[0];
559 map_copy_from(map,buf + *retlen,bank*my_bank_size + offset,get); 559 map_copy_from(map,buf + *retlen,bank*my_bank_size + offset,get);
560 560
561 len -= get; 561 len -= get;
562 *retlen += get; 562 *retlen += get;
563 from += get; 563 from += get;
564 } 564 }
565 return 0; 565 return 0;
566} 566}
567 567
568/* Pass the flags value that the flash return before it re-entered read 568/* Pass the flags value that the flash return before it re-entered read
569 mode. */ 569 mode. */
570static void jedec_flash_failed(unsigned char code) 570static void jedec_flash_failed(unsigned char code)
571{ 571{
@@ -579,17 +579,17 @@ static void jedec_flash_failed(unsigned char code)
579 printk("mtd: Programming didn't take\n"); 579 printk("mtd: Programming didn't take\n");
580} 580}
581 581
582/* This uses the erasure function described in the AMD Flash Handbook, 582/* This uses the erasure function described in the AMD Flash Handbook,
583 it will work for flashes with a fixed sector size only. Flashes with 583 it will work for flashes with a fixed sector size only. Flashes with
584 a selection of sector sizes (ie the AMD Am29F800B) will need a different 584 a selection of sector sizes (ie the AMD Am29F800B) will need a different
585 routine. This routine tries to parallize erasing multiple chips/sectors 585 routine. This routine tries to parallize erasing multiple chips/sectors
586 where possible */ 586 where possible */
587static int flash_erase(struct mtd_info *mtd, struct erase_info *instr) 587static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
588{ 588{
589 // Does IO to the currently selected chip 589 // Does IO to the currently selected chip
590 #define flread(x) map_read8(map,chip->base+((x)<<chip->addrshift)) 590 #define flread(x) map_read8(map,chip->base+((x)<<chip->addrshift))
591 #define flwrite(v,x) map_write8(map,v,chip->base+((x)<<chip->addrshift)) 591 #define flwrite(v,x) map_write8(map,v,chip->base+((x)<<chip->addrshift))
592 592
593 unsigned long Time = 0; 593 unsigned long Time = 0;
594 unsigned long NoTime = 0; 594 unsigned long NoTime = 0;
595 unsigned long start = instr->addr, len = instr->len; 595 unsigned long start = instr->addr, len = instr->len;
@@ -603,7 +603,7 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
603 (len % mtd->erasesize) != 0 || 603 (len % mtd->erasesize) != 0 ||
604 (len/mtd->erasesize) == 0) 604 (len/mtd->erasesize) == 0)
605 return -EINVAL; 605 return -EINVAL;
606 606
607 jedec_flash_chip_scan(priv,start,len); 607 jedec_flash_chip_scan(priv,start,len);
608 608
609 // Start the erase sequence on each chip 609 // Start the erase sequence on each chip
@@ -611,16 +611,16 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
611 { 611 {
612 unsigned long off; 612 unsigned long off;
613 struct jedec_flash_chip *chip = priv->chips + I; 613 struct jedec_flash_chip *chip = priv->chips + I;
614 614
615 if (chip->length == 0) 615 if (chip->length == 0)
616 continue; 616 continue;
617 617
618 if (chip->start + chip->length > chip->size) 618 if (chip->start + chip->length > chip->size)
619 { 619 {
620 printk("DIE\n"); 620 printk("DIE\n");
621 return -EIO; 621 return -EIO;
622 } 622 }
623 623
624 flwrite(0xF0,chip->start + 0x555); 624 flwrite(0xF0,chip->start + 0x555);
625 flwrite(0xAA,chip->start + 0x555); 625 flwrite(0xAA,chip->start + 0x555);
626 flwrite(0x55,chip->start + 0x2AA); 626 flwrite(0x55,chip->start + 0x2AA);
@@ -628,8 +628,8 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
628 flwrite(0xAA,chip->start + 0x555); 628 flwrite(0xAA,chip->start + 0x555);
629 flwrite(0x55,chip->start + 0x2AA); 629 flwrite(0x55,chip->start + 0x2AA);
630 630
631 /* Once we start selecting the erase sectors the delay between each 631 /* Once we start selecting the erase sectors the delay between each
632 command must not exceed 50us or it will immediately start erasing 632 command must not exceed 50us or it will immediately start erasing
633 and ignore the other sectors */ 633 and ignore the other sectors */
634 for (off = 0; off < len; off += chip->sectorsize) 634 for (off = 0; off < len; off += chip->sectorsize)
635 { 635 {
@@ -641,19 +641,19 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
641 { 641 {
642 printk("mtd: Ack! We timed out the erase timer!\n"); 642 printk("mtd: Ack! We timed out the erase timer!\n");
643 return -EIO; 643 return -EIO;
644 } 644 }
645 } 645 }
646 } 646 }
647 647
648 /* We could split this into a timer routine and return early, performing 648 /* We could split this into a timer routine and return early, performing
649 background erasure.. Maybe later if the need warrents */ 649 background erasure.. Maybe later if the need warrents */
650 650
651 /* Poll the flash for erasure completion, specs say this can take as long 651 /* Poll the flash for erasure completion, specs say this can take as long
652 as 480 seconds to do all the sectors (for a 2 meg flash). 652 as 480 seconds to do all the sectors (for a 2 meg flash).
653 Erasure time is dependent on chip age, temp and wear.. */ 653 Erasure time is dependent on chip age, temp and wear.. */
654 654
655 /* This being a generic routine assumes a 32 bit bus. It does read32s 655 /* This being a generic routine assumes a 32 bit bus. It does read32s
656 and bundles interleved chips into the same grouping. This will work 656 and bundles interleved chips into the same grouping. This will work
657 for all bus widths */ 657 for all bus widths */
658 Time = 0; 658 Time = 0;
659 NoTime = 0; 659 NoTime = 0;
@@ -664,20 +664,20 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
664 unsigned todo[4] = {0,0,0,0}; 664 unsigned todo[4] = {0,0,0,0};
665 unsigned todo_left = 0; 665 unsigned todo_left = 0;
666 unsigned J; 666 unsigned J;
667 667
668 if (chip->length == 0) 668 if (chip->length == 0)
669 continue; 669 continue;
670 670
671 /* Find all chips in this data line, realistically this is all 671 /* Find all chips in this data line, realistically this is all
672 or nothing up to the interleve count */ 672 or nothing up to the interleve count */
673 for (J = 0; priv->chips[J].jedec != 0 && J < MAX_JEDEC_CHIPS; J++) 673 for (J = 0; priv->chips[J].jedec != 0 && J < MAX_JEDEC_CHIPS; J++)
674 { 674 {
675 if ((priv->chips[J].base & (~((1<<chip->addrshift)-1))) == 675 if ((priv->chips[J].base & (~((1<<chip->addrshift)-1))) ==
676 (chip->base & (~((1<<chip->addrshift)-1)))) 676 (chip->base & (~((1<<chip->addrshift)-1))))
677 { 677 {
678 todo_left++; 678 todo_left++;
679 todo[priv->chips[J].base & ((1<<chip->addrshift)-1)] = 1; 679 todo[priv->chips[J].base & ((1<<chip->addrshift)-1)] = 1;
680 } 680 }
681 } 681 }
682 682
683 /* printk("todo: %x %x %x %x\n",(short)todo[0],(short)todo[1], 683 /* printk("todo: %x %x %x %x\n",(short)todo[0],(short)todo[1],
@@ -687,7 +687,7 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
687 { 687 {
688 __u32 Last[4]; 688 __u32 Last[4];
689 unsigned long Count = 0; 689 unsigned long Count = 0;
690 690
691 /* During erase bit 7 is held low and bit 6 toggles, we watch this, 691 /* During erase bit 7 is held low and bit 6 toggles, we watch this,
692 should it stop toggling or go high then the erase is completed, 692 should it stop toggling or go high then the erase is completed,
693 or this is not really flash ;> */ 693 or this is not really flash ;> */
@@ -718,23 +718,23 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
718 __u8 Byte3 = (Last[(Count-3)%4] >> (J*8)) & 0xFF; 718 __u8 Byte3 = (Last[(Count-3)%4] >> (J*8)) & 0xFF;
719 if (todo[J] == 0) 719 if (todo[J] == 0)
720 continue; 720 continue;
721 721
722 if ((Byte1 & (1 << 7)) == 0 && Byte1 != Byte2) 722 if ((Byte1 & (1 << 7)) == 0 && Byte1 != Byte2)
723 { 723 {
724// printk("Check %x %x %x\n",(short)J,(short)Byte1,(short)Byte2); 724// printk("Check %x %x %x\n",(short)J,(short)Byte1,(short)Byte2);
725 continue; 725 continue;
726 } 726 }
727 727
728 if (Byte1 == Byte2) 728 if (Byte1 == Byte2)
729 { 729 {
730 jedec_flash_failed(Byte3); 730 jedec_flash_failed(Byte3);
731 return -EIO; 731 return -EIO;
732 } 732 }
733 733
734 todo[J] = 0; 734 todo[J] = 0;
735 todo_left--; 735 todo_left--;
736 } 736 }
737 737
738/* if (NoTime == 0) 738/* if (NoTime == 0)
739 Time += HZ/10 - schedule_timeout(HZ/10);*/ 739 Time += HZ/10 - schedule_timeout(HZ/10);*/
740 NoTime = 0; 740 NoTime = 0;
@@ -751,7 +751,7 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
751 break; 751 break;
752 } 752 }
753 Count++; 753 Count++;
754 754
755/* // Count time, max of 15s per sector (according to AMD) 755/* // Count time, max of 15s per sector (according to AMD)
756 if (Time > 15*len/mtd->erasesize*HZ) 756 if (Time > 15*len/mtd->erasesize*HZ)
757 { 757 {
@@ -759,38 +759,38 @@ static int flash_erase(struct mtd_info *mtd, struct erase_info *instr)
759 return -EIO; 759 return -EIO;
760 } */ 760 } */
761 } 761 }
762 762
763 // Skip to the next chip if we used chip erase 763 // Skip to the next chip if we used chip erase
764 if (chip->length == chip->size) 764 if (chip->length == chip->size)
765 off = chip->size; 765 off = chip->size;
766 else 766 else
767 off += chip->sectorsize; 767 off += chip->sectorsize;
768 768
769 if (off >= chip->length) 769 if (off >= chip->length)
770 break; 770 break;
771 NoTime = 1; 771 NoTime = 1;
772 } 772 }
773 773
774 for (J = 0; priv->chips[J].jedec != 0 && J < MAX_JEDEC_CHIPS; J++) 774 for (J = 0; priv->chips[J].jedec != 0 && J < MAX_JEDEC_CHIPS; J++)
775 { 775 {
776 if ((priv->chips[J].base & (~((1<<chip->addrshift)-1))) == 776 if ((priv->chips[J].base & (~((1<<chip->addrshift)-1))) ==
777 (chip->base & (~((1<<chip->addrshift)-1)))) 777 (chip->base & (~((1<<chip->addrshift)-1))))
778 priv->chips[J].length = 0; 778 priv->chips[J].length = 0;
779 } 779 }
780 } 780 }
781 781
782 //printk("done\n"); 782 //printk("done\n");
783 instr->state = MTD_ERASE_DONE; 783 instr->state = MTD_ERASE_DONE;
784 mtd_erase_callback(instr); 784 mtd_erase_callback(instr);
785 return 0; 785 return 0;
786 786
787 #undef flread 787 #undef flread
788 #undef flwrite 788 #undef flwrite
789} 789}
790 790
791/* This is the simple flash writing function. It writes to every byte, in 791/* This is the simple flash writing function. It writes to every byte, in
792 sequence. It takes care of how to properly address the flash if 792 sequence. It takes care of how to properly address the flash if
793 the flash is interleved. It can only be used if all the chips in the 793 the flash is interleved. It can only be used if all the chips in the
794 array are identical!*/ 794 array are identical!*/
795static int flash_write(struct mtd_info *mtd, loff_t start, size_t len, 795static int flash_write(struct mtd_info *mtd, loff_t start, size_t len,
796 size_t *retlen, const u_char *buf) 796 size_t *retlen, const u_char *buf)
@@ -800,25 +800,25 @@ static int flash_write(struct mtd_info *mtd, loff_t start, size_t len,
800 of addrshift (interleave index) and then adds the control register index. */ 800 of addrshift (interleave index) and then adds the control register index. */
801 #define flread(x) map_read8(map,base+(off&((1<<chip->addrshift)-1))+((x)<<chip->addrshift)) 801 #define flread(x) map_read8(map,base+(off&((1<<chip->addrshift)-1))+((x)<<chip->addrshift))
802 #define flwrite(v,x) map_write8(map,v,base+(off&((1<<chip->addrshift)-1))+((x)<<chip->addrshift)) 802 #define flwrite(v,x) map_write8(map,v,base+(off&((1<<chip->addrshift)-1))+((x)<<chip->addrshift))
803 803
804 struct map_info *map = mtd->priv; 804 struct map_info *map = mtd->priv;
805 struct jedec_private *priv = map->fldrv_priv; 805 struct jedec_private *priv = map->fldrv_priv;
806 unsigned long base; 806 unsigned long base;
807 unsigned long off; 807 unsigned long off;
808 size_t save_len = len; 808 size_t save_len = len;
809 809
810 if (start + len > mtd->size) 810 if (start + len > mtd->size)
811 return -EIO; 811 return -EIO;
812 812
813 //printk("Here"); 813 //printk("Here");
814 814
815 //printk("flash_write: start is %x, len is %x\n",start,(unsigned long)len); 815 //printk("flash_write: start is %x, len is %x\n",start,(unsigned long)len);
816 while (len != 0) 816 while (len != 0)
817 { 817 {
818 struct jedec_flash_chip *chip = priv->chips; 818 struct jedec_flash_chip *chip = priv->chips;
819 unsigned long bank; 819 unsigned long bank;
820 unsigned long boffset; 820 unsigned long boffset;
821 821
822 // Compute the base of the flash. 822 // Compute the base of the flash.
823 off = ((unsigned long)start) % (chip->size << chip->addrshift); 823 off = ((unsigned long)start) % (chip->size << chip->addrshift);
824 base = start - off; 824 base = start - off;
@@ -828,10 +828,10 @@ static int flash_write(struct mtd_info *mtd, loff_t start, size_t len,
828 boffset = base & (priv->bank_fill[0]-1); 828 boffset = base & (priv->bank_fill[0]-1);
829 bank = (bank/priv->bank_fill[0])*my_bank_size; 829 bank = (bank/priv->bank_fill[0])*my_bank_size;
830 base = bank + boffset; 830 base = bank + boffset;
831 831
832 // printk("Flasing %X %X %X\n",base,chip->size,len); 832 // printk("Flasing %X %X %X\n",base,chip->size,len);
833 // printk("off is %x, compare with %x\n",off,chip->size << chip->addrshift); 833 // printk("off is %x, compare with %x\n",off,chip->size << chip->addrshift);
834 834
835 // Loop over this page 835 // Loop over this page
836 for (; off != (chip->size << chip->addrshift) && len != 0; start++, len--, off++,buf++) 836 for (; off != (chip->size << chip->addrshift) && len != 0; start++, len--, off++,buf++)
837 { 837 {
@@ -845,7 +845,7 @@ static int flash_write(struct mtd_info *mtd, loff_t start, size_t len,
845 } 845 }
846 if (((~oldbyte) & *buf) != 0) 846 if (((~oldbyte) & *buf) != 0)
847 printk("mtd: warn: Trying to set a 0 to a 1\n"); 847 printk("mtd: warn: Trying to set a 0 to a 1\n");
848 848
849 // Write 849 // Write
850 flwrite(0xAA,0x555); 850 flwrite(0xAA,0x555);
851 flwrite(0x55,0x2AA); 851 flwrite(0x55,0x2AA);
@@ -854,10 +854,10 @@ static int flash_write(struct mtd_info *mtd, loff_t start, size_t len,
854 Last[0] = map_read8(map,base + off); 854 Last[0] = map_read8(map,base + off);
855 Last[1] = map_read8(map,base + off); 855 Last[1] = map_read8(map,base + off);
856 Last[2] = map_read8(map,base + off); 856 Last[2] = map_read8(map,base + off);
857 857
858 /* Wait for the flash to finish the operation. We store the last 4 858 /* Wait for the flash to finish the operation. We store the last 4
859 status bytes that have been retrieved so we can determine why 859 status bytes that have been retrieved so we can determine why
860 it failed. The toggle bits keep toggling when there is a 860 it failed. The toggle bits keep toggling when there is a
861 failure */ 861 failure */
862 for (Count = 3; Last[(Count - 1) % 4] != Last[(Count - 2) % 4] && 862 for (Count = 3; Last[(Count - 1) % 4] != Last[(Count - 2) % 4] &&
863 Count < 10000; Count++) 863 Count < 10000; Count++)
@@ -866,7 +866,7 @@ static int flash_write(struct mtd_info *mtd, loff_t start, size_t len,
866 { 866 {
867 jedec_flash_failed(Last[(Count - 3) % 4]); 867 jedec_flash_failed(Last[(Count - 3) % 4]);
868 return -EIO; 868 return -EIO;
869 } 869 }
870 } 870 }
871 } 871 }
872 *retlen = save_len; 872 *retlen = save_len;
@@ -885,24 +885,24 @@ static void jedec_flash_chip_scan(struct jedec_private *priv,unsigned long start
885 // Zero the records 885 // Zero the records
886 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) 886 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++)
887 priv->chips[I].start = priv->chips[I].length = 0; 887 priv->chips[I].start = priv->chips[I].length = 0;
888 888
889 // Intersect the region with each chip 889 // Intersect the region with each chip
890 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++) 890 for (I = 0; priv->chips[I].jedec != 0 && I < MAX_JEDEC_CHIPS; I++)
891 { 891 {
892 struct jedec_flash_chip *chip = priv->chips + I; 892 struct jedec_flash_chip *chip = priv->chips + I;
893 unsigned long ByteStart; 893 unsigned long ByteStart;
894 unsigned long ChipEndByte = chip->offset + (chip->size << chip->addrshift); 894 unsigned long ChipEndByte = chip->offset + (chip->size << chip->addrshift);
895 895
896 // End is before this chip or the start is after it 896 // End is before this chip or the start is after it
897 if (start+len < chip->offset || 897 if (start+len < chip->offset ||
898 ChipEndByte - (1 << chip->addrshift) < start) 898 ChipEndByte - (1 << chip->addrshift) < start)
899 continue; 899 continue;
900 900
901 if (start < chip->offset) 901 if (start < chip->offset)
902 { 902 {
903 ByteStart = chip->offset; 903 ByteStart = chip->offset;
904 chip->start = 0; 904 chip->start = 0;
905 } 905 }
906 else 906 else
907 { 907 {
908 chip->start = (start - chip->offset + (1 << chip->addrshift)-1) >> chip->addrshift; 908 chip->start = (start - chip->offset + (1 << chip->addrshift)-1) >> chip->addrshift;
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 30da428eb7b9..edb306c03c0a 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -1,7 +1,7 @@
1/* 1/*
2 Common Flash Interface probe code. 2 Common Flash Interface probe code.
3 (C) 2000 Red Hat. GPL'd. 3 (C) 2000 Red Hat. GPL'd.
4 $Id: jedec_probe.c,v 1.63 2005/02/14 16:30:32 bjd Exp $ 4 $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $
5 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5) 5 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
6 for the standard this probe goes back to. 6 for the standard this probe goes back to.
7 7
@@ -1719,7 +1719,7 @@ static int jedec_probe_chip(struct map_info *map, __u32 base,
1719 1719
1720static struct mtd_info *jedec_probe(struct map_info *map); 1720static struct mtd_info *jedec_probe(struct map_info *map);
1721 1721
1722static inline u32 jedec_read_mfr(struct map_info *map, __u32 base, 1722static inline u32 jedec_read_mfr(struct map_info *map, __u32 base,
1723 struct cfi_private *cfi) 1723 struct cfi_private *cfi)
1724{ 1724{
1725 map_word result; 1725 map_word result;
@@ -1730,7 +1730,7 @@ static inline u32 jedec_read_mfr(struct map_info *map, __u32 base,
1730 return result.x[0] & mask; 1730 return result.x[0] & mask;
1731} 1731}
1732 1732
1733static inline u32 jedec_read_id(struct map_info *map, __u32 base, 1733static inline u32 jedec_read_id(struct map_info *map, __u32 base,
1734 struct cfi_private *cfi) 1734 struct cfi_private *cfi)
1735{ 1735{
1736 map_word result; 1736 map_word result;
@@ -1741,7 +1741,7 @@ static inline u32 jedec_read_id(struct map_info *map, __u32 base,
1741 return result.x[0] & mask; 1741 return result.x[0] & mask;
1742} 1742}
1743 1743
1744static inline void jedec_reset(u32 base, struct map_info *map, 1744static inline void jedec_reset(u32 base, struct map_info *map,
1745 struct cfi_private *cfi) 1745 struct cfi_private *cfi)
1746{ 1746{
1747 /* Reset */ 1747 /* Reset */
@@ -1765,7 +1765,7 @@ static inline void jedec_reset(u32 base, struct map_info *map,
1765 * so ensure we're in read mode. Send both the Intel and the AMD command 1765 * so ensure we're in read mode. Send both the Intel and the AMD command
1766 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so 1766 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1767 * this should be safe. 1767 * this should be safe.
1768 */ 1768 */
1769 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); 1769 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1770 /* FIXME - should have reset delay before continuing */ 1770 /* FIXME - should have reset delay before continuing */
1771} 1771}
@@ -1807,14 +1807,14 @@ static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1807 printk("Found: %s\n",jedec_table[index].name); 1807 printk("Found: %s\n",jedec_table[index].name);
1808 1808
1809 num_erase_regions = jedec_table[index].NumEraseRegions; 1809 num_erase_regions = jedec_table[index].NumEraseRegions;
1810 1810
1811 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL); 1811 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1812 if (!p_cfi->cfiq) { 1812 if (!p_cfi->cfiq) {
1813 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name); 1813 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1814 return 0; 1814 return 0;
1815 } 1815 }
1816 1816
1817 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident)); 1817 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1818 1818
1819 p_cfi->cfiq->P_ID = jedec_table[index].CmdSet; 1819 p_cfi->cfiq->P_ID = jedec_table[index].CmdSet;
1820 p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions; 1820 p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions;
@@ -1969,7 +1969,7 @@ static inline int jedec_match( __u32 base,
1969 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL); 1969 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1970 /* FIXME - should have a delay before continuing */ 1970 /* FIXME - should have a delay before continuing */
1971 1971
1972 match_done: 1972 match_done:
1973 return rc; 1973 return rc;
1974} 1974}
1975 1975
@@ -1998,23 +1998,23 @@ static int jedec_probe_chip(struct map_info *map, __u32 base,
1998 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n", 1998 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
1999 base, map->size -1); 1999 base, map->size -1);
2000 return 0; 2000 return 0;
2001 2001
2002 } 2002 }
2003 /* Ensure the unlock addresses we try stay inside the map */ 2003 /* Ensure the unlock addresses we try stay inside the map */
2004 probe_offset1 = cfi_build_cmd_addr( 2004 probe_offset1 = cfi_build_cmd_addr(
2005 cfi->addr_unlock1, 2005 cfi->addr_unlock1,
2006 cfi_interleave(cfi), 2006 cfi_interleave(cfi),
2007 cfi->device_type); 2007 cfi->device_type);
2008 probe_offset2 = cfi_build_cmd_addr( 2008 probe_offset2 = cfi_build_cmd_addr(
2009 cfi->addr_unlock1, 2009 cfi->addr_unlock1,
2010 cfi_interleave(cfi), 2010 cfi_interleave(cfi),
2011 cfi->device_type); 2011 cfi->device_type);
2012 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) || 2012 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2013 ((base + probe_offset2 + map_bankwidth(map)) >= map->size)) 2013 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2014 { 2014 {
2015 goto retry; 2015 goto retry;
2016 } 2016 }
2017 2017
2018 /* Reset */ 2018 /* Reset */
2019 jedec_reset(base, map, cfi); 2019 jedec_reset(base, map, cfi);
2020 2020
@@ -2027,13 +2027,13 @@ static int jedec_probe_chip(struct map_info *map, __u32 base,
2027 /* FIXME - should have a delay before continuing */ 2027 /* FIXME - should have a delay before continuing */
2028 2028
2029 if (!cfi->numchips) { 2029 if (!cfi->numchips) {
2030 /* This is the first time we're called. Set up the CFI 2030 /* This is the first time we're called. Set up the CFI
2031 stuff accordingly and return */ 2031 stuff accordingly and return */
2032 2032
2033 cfi->mfr = jedec_read_mfr(map, base, cfi); 2033 cfi->mfr = jedec_read_mfr(map, base, cfi);
2034 cfi->id = jedec_read_id(map, base, cfi); 2034 cfi->id = jedec_read_id(map, base, cfi);
2035 DEBUG(MTD_DEBUG_LEVEL3, 2035 DEBUG(MTD_DEBUG_LEVEL3,
2036 "Search for id:(%02x %02x) interleave(%d) type(%d)\n", 2036 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2037 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type); 2037 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2038 for (i=0; i<sizeof(jedec_table)/sizeof(jedec_table[0]); i++) { 2038 for (i=0; i<sizeof(jedec_table)/sizeof(jedec_table[0]); i++) {
2039 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) { 2039 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
@@ -2062,7 +2062,7 @@ static int jedec_probe_chip(struct map_info *map, __u32 base,
2062 return 0; 2062 return 0;
2063 } 2063 }
2064 } 2064 }
2065 2065
2066 /* Check each previous chip locations to see if it's an alias */ 2066 /* Check each previous chip locations to see if it's an alias */
2067 for (i=0; i < (base >> cfi->chipshift); i++) { 2067 for (i=0; i < (base >> cfi->chipshift); i++) {
2068 unsigned long start; 2068 unsigned long start;
@@ -2083,7 +2083,7 @@ static int jedec_probe_chip(struct map_info *map, __u32 base,
2083 map->name, base, start); 2083 map->name, base, start);
2084 return 0; 2084 return 0;
2085 } 2085 }
2086 2086
2087 /* Yes, it's actually got the device IDs as data. Most 2087 /* Yes, it's actually got the device IDs as data. Most
2088 * unfortunate. Stick the new chip in read mode 2088 * unfortunate. Stick the new chip in read mode
2089 * too and if it's the same, assume it's an alias. */ 2089 * too and if it's the same, assume it's an alias. */
@@ -2097,20 +2097,20 @@ static int jedec_probe_chip(struct map_info *map, __u32 base,
2097 } 2097 }
2098 } 2098 }
2099 } 2099 }
2100 2100
2101 /* OK, if we got to here, then none of the previous chips appear to 2101 /* OK, if we got to here, then none of the previous chips appear to
2102 be aliases for the current one. */ 2102 be aliases for the current one. */
2103 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */ 2103 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2104 cfi->numchips++; 2104 cfi->numchips++;
2105 2105
2106ok_out: 2106ok_out:
2107 /* Put it back into Read Mode */ 2107 /* Put it back into Read Mode */
2108 jedec_reset(base, map, cfi); 2108 jedec_reset(base, map, cfi);
2109 2109
2110 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n", 2110 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2111 map->name, cfi_interleave(cfi), cfi->device_type*8, base, 2111 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2112 map->bankwidth*8); 2112 map->bankwidth*8);
2113 2113
2114 return 1; 2114 return 1;
2115} 2115}
2116 2116
diff --git a/drivers/mtd/chips/map_absent.c b/drivers/mtd/chips/map_absent.c
index c6c83833cc32..a611de9b1515 100644
--- a/drivers/mtd/chips/map_absent.c
+++ b/drivers/mtd/chips/map_absent.c
@@ -1,11 +1,11 @@
1/* 1/*
2 * Common code to handle absent "placeholder" devices 2 * Common code to handle absent "placeholder" devices
3 * Copyright 2001 Resilience Corporation <ebrower@resilience.com> 3 * Copyright 2001 Resilience Corporation <ebrower@resilience.com>
4 * $Id: map_absent.c,v 1.5 2004/11/16 18:29:00 dwmw2 Exp $ 4 * $Id: map_absent.c,v 1.6 2005/11/07 11:14:23 gleixner Exp $
5 * 5 *
6 * This map driver is used to allocate "placeholder" MTD 6 * This map driver is used to allocate "placeholder" MTD
7 * devices on systems that have socketed/removable media. 7 * devices on systems that have socketed/removable media.
8 * Use of this driver as a fallback preserves the expected 8 * Use of this driver as a fallback preserves the expected
9 * registration of MTD device nodes regardless of probe outcome. 9 * registration of MTD device nodes regardless of probe outcome.
10 * A usage example is as follows: 10 * A usage example is as follows:
11 * 11 *
@@ -80,7 +80,7 @@ static int map_absent_read(struct mtd_info *mtd, loff_t from, size_t len, size_t
80static int map_absent_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf) 80static int map_absent_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
81{ 81{
82 *retlen = 0; 82 *retlen = 0;
83 return -ENODEV; 83 return -ENODEV;
84} 84}
85 85
86static int map_absent_erase(struct mtd_info *mtd, struct erase_info *instr) 86static int map_absent_erase(struct mtd_info *mtd, struct erase_info *instr)
diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c
index 08376dbf5d62..2d26bdef82d5 100644
--- a/drivers/mtd/chips/sharp.c
+++ b/drivers/mtd/chips/sharp.c
@@ -4,7 +4,7 @@
4 * Copyright 2000,2001 David A. Schleef <ds@schleef.org> 4 * Copyright 2000,2001 David A. Schleef <ds@schleef.org>
5 * 2000,2001 Lineo, Inc. 5 * 2000,2001 Lineo, Inc.
6 * 6 *
7 * $Id: sharp.c,v 1.15 2005/08/02 20:36:05 tpoynor Exp $ 7 * $Id: sharp.c,v 1.16 2005/11/07 11:14:23 gleixner Exp $
8 * 8 *
9 * Devices supported: 9 * Devices supported:
10 * LH28F016SCT Symmetrical block flash memory, 2Mx8 10 * LH28F016SCT Symmetrical block flash memory, 2Mx8
@@ -459,12 +459,12 @@ static int sharp_do_wait_for_ready(struct map_info *map, struct flchip *chip,
459 remove_wait_queue(&chip->wq, &wait); 459 remove_wait_queue(&chip->wq, &wait);
460 460
461 //spin_lock_bh(chip->mutex); 461 //spin_lock_bh(chip->mutex);
462 462
463 if (signal_pending(current)){ 463 if (signal_pending(current)){
464 ret = -EINTR; 464 ret = -EINTR;
465 goto out; 465 goto out;
466 } 466 }
467 467
468 } 468 }
469 ret = -ETIME; 469 ret = -ETIME;
470out: 470out:
@@ -563,7 +563,7 @@ static int sharp_suspend(struct mtd_info *mtd)
563static void sharp_resume(struct mtd_info *mtd) 563static void sharp_resume(struct mtd_info *mtd)
564{ 564{
565 printk("sharp_resume()\n"); 565 printk("sharp_resume()\n");
566 566
567} 567}
568 568
569static void sharp_destroy(struct mtd_info *mtd) 569static void sharp_destroy(struct mtd_info *mtd)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-23 17:09:25 -0500