21 files changed, 240 insertions, 170 deletions

diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 5ac265dde423..1344ad7a4b14 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -86,14 +86,14 @@ config MTD_REDBOOT_DIRECTORY_BLOCK
           block and "-2" means the penultimate block.
 
 config MTD_REDBOOT_PARTS_UNALLOCATED
-        bool "  Include unallocated flash regions"
+        bool "Include unallocated flash regions"
         depends on MTD_REDBOOT_PARTS
         help
           If you need to register each unallocated flash region as a MTD
           'partition', enable this option.
 
 config MTD_REDBOOT_PARTS_READONLY
-        bool "  Force read-only for RedBoot system images"
+        bool "Force read-only for RedBoot system images"
         depends on MTD_REDBOOT_PARTS
         help
           If you need to force read-only for 'RedBoot', 'RedBoot Config' and
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 0d435814aaa1..39edb8250fbc 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -357,6 +357,7 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
         mtd->resume  = cfi_intelext_resume;
         mtd->flags   = MTD_CAP_NORFLASH;
         mtd->name    = map->name;
+        mtd->writesize = 1;
 
         mtd->reboot_notifier.notifier_call = cfi_intelext_reboot;
 
diff --git a/drivers/mtd/chips/jedec.c b/drivers/mtd/chips/jedec.c
index c40b48dabed3..2c3f019197c1 100644
--- a/drivers/mtd/chips/jedec.c
+++ b/drivers/mtd/chips/jedec.c
@@ -256,6 +256,7 @@ static struct mtd_info *jedec_probe(struct map_info *map)
    MTD->name = map->name;
    MTD->type = MTD_NORFLASH;
    MTD->flags = MTD_CAP_NORFLASH;
+   MTD->writesize = 1;
    MTD->erasesize = SectorSize*(map->buswidth);
    //   printk("MTD->erasesize is %x\n",(unsigned int)MTD->erasesize);
    MTD->size = priv->size;
diff --git a/drivers/mtd/chips/map_absent.c b/drivers/mtd/chips/map_absent.c
index a611de9b1515..ac01a949b687 100644
--- a/drivers/mtd/chips/map_absent.c
+++ b/drivers/mtd/chips/map_absent.c
@@ -64,7 +64,8 @@ static struct mtd_info *map_absent_probe(struct map_info *map)
         mtd->write      = map_absent_write;
         mtd->sync       = map_absent_sync;
         mtd->flags      = 0;
-        mtd->erasesize = PAGE_SIZE;
+        mtd->erasesize  = PAGE_SIZE;
+        mtd->writesize  = 1;
 
         __module_get(THIS_MODULE);
         return mtd;
diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c
index 763925747db6..3a66680abfd0 100644
--- a/drivers/mtd/chips/map_ram.c
+++ b/drivers/mtd/chips/map_ram.c
@@ -71,6 +71,7 @@ static struct mtd_info *map_ram_probe(struct map_info *map)
         mtd->write = mapram_write;
         mtd->sync = mapram_nop;
         mtd->flags = MTD_CAP_RAM;
+        mtd->writesize = 1;
 
         mtd->erasesize = PAGE_SIZE;
         while(mtd->size & (mtd->erasesize - 1))
diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c
index bc6ee9ef8a31..1b328b1378fd 100644
--- a/drivers/mtd/chips/map_rom.c
+++ b/drivers/mtd/chips/map_rom.c
@@ -47,6 +47,7 @@ static struct mtd_info *map_rom_probe(struct map_info *map)
         mtd->sync = maprom_nop;
         mtd->flags = MTD_CAP_ROM;
         mtd->erasesize = map->size;
+        mtd->writesize = 1;
 
         __module_get(THIS_MODULE);
         return mtd;
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 0d98c223c5fc..be3f1c136d02 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -324,6 +324,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
 
         dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
         dev->mtd.erasesize = erase_size;
+        dev->mtd.writesize = 1;
         dev->mtd.type = MTD_RAM;
         dev->mtd.flags = MTD_CAP_RAM;
         dev->mtd.erase = block2mtd_erase;
diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c
index 4ab7670770e4..08dfb899b272 100644
--- a/drivers/mtd/devices/ms02-nv.c
+++ b/drivers/mtd/devices/ms02-nv.c
@@ -225,6 +225,7 @@ static int __init ms02nv_init_one(ulong addr)
         mtd->owner = THIS_MODULE;
         mtd->read = ms02nv_read;
         mtd->write = ms02nv_write;
+        mtd->writesize = 1;
 
         ret = -EIO;
         if (add_mtd_device(mtd)) {
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index a19480d07888..04271d02b6b6 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -478,6 +478,7 @@ add_dataflash(struct spi_device *spi, char *name,
         device->name = (pdata && pdata->name) ? pdata->name : priv->name;
         device->size = nr_pages * pagesize;
         device->erasesize = pagesize;
+        device->writesize = pagesize;
         device->owner = THIS_MODULE;
         device->type = MTD_DATAFLASH;
         device->flags = MTD_CAP_NORFLASH;
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index e09e416667d3..6c7337f9ebbb 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -151,6 +151,7 @@ static int register_device(char *name, unsigned long start, unsigned long len)
         new->mtd.owner = THIS_MODULE;
         new->mtd.type = MTD_RAM;
         new->mtd.erasesize = PAGE_SIZE;
+        new->mtd.writesize = 1;
 
         ret = -EAGAIN;
         if (add_mtd_device(&new->mtd)) {
diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c
index 666cce1bf60c..f620d74f1004 100644
--- a/drivers/mtd/devices/pmc551.c
+++ b/drivers/mtd/devices/pmc551.c
@@ -778,7 +778,8 @@ static int __init init_pmc551(void)
                 mtd->type       = MTD_RAM;
                 mtd->name       = "PMC551 RAM board";
                 mtd->erasesize  = 0x10000;
-                mtd->owner = THIS_MODULE;
+                mtd->writesize  = 1;
+                mtd->owner = THIS_MODULE;
 
                 if (add_mtd_device(mtd)) {
                         printk(KERN_NOTICE "pmc551: Failed to register new device\n");
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index b3f665e3c38b..542a0c009006 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -209,6 +209,7 @@ static int register_device(char *name, unsigned long start, unsigned long length
         (*curmtd)->mtdinfo->owner = THIS_MODULE;
         (*curmtd)->mtdinfo->type = MTD_RAM;
         (*curmtd)->mtdinfo->erasesize = SLRAM_BLK_SZ;
+        (*curmtd)->mtdinfo->writesize = 1;
 
         if (add_mtd_device((*curmtd)->mtdinfo)) {
                 E("slram: Failed to register new device\n");
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 6bdaacc6d6f9..83d0b2a52527 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -212,7 +212,7 @@ config MTD_NETtel
           Support for flash chips on NETtel/SecureEdge/SnapGear boards.
 
 config MTD_ALCHEMY
-        tristate '  AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support'
+        tristate "AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support"
         depends on SOC_AU1X00
         help
           Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index 2c9cc7f37e92..c26488a1793a 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -42,7 +42,6 @@ struct ixp2000_flash_info {
         struct          map_info map;
         struct          mtd_partition *partitions;
         struct          resource *res;
-        int             nr_banks;
 };
 
 static inline unsigned long flash_bank_setup(struct map_info *map, unsigned long ofs)
@@ -183,7 +182,6 @@ static int ixp2000_flash_probe(struct platform_device *dev)
          */
         info->map.phys = NO_XIP;
 
-        info->nr_banks = ixp_data->nr_banks;
         info->map.size = ixp_data->nr_banks * window_size;
         info->map.bankwidth = 1;
 
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 433c3cac3ca9..d6301f08906d 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -182,7 +182,7 @@ static struct physmap_flash_data physmap_flash_data = {
 
 static struct resource physmap_flash_resource = {
         .start          = CONFIG_MTD_PHYSMAP_START,
-        .end            = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN,
+        .end            = CONFIG_MTD_PHYSMAP_START + CONFIG_MTD_PHYSMAP_LEN - 1,
         .flags          = IORESOURCE_MEM,
 };
 
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index 0758cb1d0105..24a03152d196 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -18,6 +18,7 @@
 #include <linux/ioport.h>
 #include <asm/ebus.h>
 #include <asm/oplib.h>
+#include <asm/prom.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
@@ -30,146 +31,140 @@
 #define UFLASH_WINDOW_SIZE      0x200000
 #define UFLASH_BUSWIDTH         1                       /* EBus is 8-bit */
 
-MODULE_AUTHOR
-        ("Eric Brower <ebrower@usa.net>");
-MODULE_DESCRIPTION
-        ("User-programmable flash device on Sun Microsystems boardsets");
-MODULE_SUPPORTED_DEVICE
-        ("userflash");
-MODULE_LICENSE
-        ("GPL");
+MODULE_AUTHOR("Eric Brower <ebrower@usa.net>");
+MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets");
+MODULE_SUPPORTED_DEVICE("userflash");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("2.0");
 
 static LIST_HEAD(device_list);
 struct uflash_dev {
-        char *                  name;   /* device name */
+        char                    *name;  /* device name */
         struct map_info         map;    /* mtd map info */
-        struct mtd_info *       mtd;    /* mtd info */
-        struct list_head        list;
+        struct mtd_info         *mtd;   /* mtd info */
 };
 
 
 struct map_info uflash_map_templ = {
-                .name =         "SUNW,???-????",
-                .size =         UFLASH_WINDOW_SIZE,
-                .bankwidth =    UFLASH_BUSWIDTH,
+        .name =         "SUNW,???-????",
+        .size =         UFLASH_WINDOW_SIZE,
+        .bankwidth =    UFLASH_BUSWIDTH,
 };
 
-int uflash_devinit(struct linux_ebus_device* edev)
+int uflash_devinit(struct linux_ebus_device *edev, struct device_node *dp)
 {
-        int iTmp, nregs;
-        struct linux_prom_registers regs[2];
-        struct uflash_dev *pdev;
-
-        iTmp = prom_getproperty(
-                edev->prom_node, "reg", (void *)regs, sizeof(regs));
-        if ((iTmp % sizeof(regs[0])) != 0) {
-                printk("%s: Strange reg property size %d\n",
-                        UFLASH_DEVNAME, iTmp);
-                return -ENODEV;
-        }
+        struct uflash_dev *up;
+        struct resource *res;
 
-        nregs = iTmp / sizeof(regs[0]);
+        res = &edev->resource[0];
 
-        if (nregs != 1) {
+        if (edev->num_addrs != 1) {
                 /* Non-CFI userflash device-- once I find one we
                  * can work on supporting it.
                  */
                 printk("%s: unsupported device at 0x%lx (%d regs): " \
                         "email ebrower@usa.net\n",
-                        UFLASH_DEVNAME, edev->resource[0].start, nregs);
+                       dp->full_name, res->start, edev->num_addrs);
+
                 return -ENODEV;
         }
 
-        if(0 == (pdev = kmalloc(sizeof(struct uflash_dev), GFP_KERNEL))) {
-                printk("%s: unable to kmalloc new device\n", UFLASH_DEVNAME);
-                return(-ENOMEM);
-        }
+        up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL);
+        if (!up)
+                return -ENOMEM;
 
         /* copy defaults and tweak parameters */
-        memcpy(&pdev->map, &uflash_map_templ, sizeof(uflash_map_templ));
-        pdev->map.size = regs[0].reg_size;
-
-        iTmp = prom_getproplen(edev->prom_node, "model");
-        pdev->name = kmalloc(iTmp, GFP_KERNEL);
-        prom_getstring(edev->prom_node, "model", pdev->name, iTmp);
-        if(0 != pdev->name && 0 < strlen(pdev->name)) {
-                pdev->map.name = pdev->name;
-        }
-        pdev->map.phys = edev->resource[0].start;
-        pdev->map.virt = ioremap_nocache(edev->resource[0].start, pdev->map.size);
-        if(0 == pdev->map.virt) {
-                printk("%s: failed to map device\n", __FUNCTION__);
-                kfree(pdev->name);
-                kfree(pdev);
-                return(-1);
+        memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ));
+        up->map.size = (res->end - res->start) + 1UL;
+
+        up->name = of_get_property(dp, "model", NULL);
+        if (up->name && 0 < strlen(up->name))
+                up->map.name = up->name;
+
+        up->map.phys = res->start;
+
+        up->map.virt = ioremap_nocache(res->start, up->map.size);
+        if (!up->map.virt) {
+                printk("%s: Failed to map device.\n", dp->full_name);
+                kfree(up);
+
+                return -EINVAL;
         }
 
-        simple_map_init(&pdev->map);
+        simple_map_init(&up->map);
 
         /* MTD registration */
-        pdev->mtd = do_map_probe("cfi_probe", &pdev->map);
-        if(0 == pdev->mtd) {
-                iounmap(pdev->map.virt);
-                kfree(pdev->name);
-                kfree(pdev);
-                return(-ENXIO);
+        up->mtd = do_map_probe("cfi_probe", &up->map);
+        if (!up->mtd) {
+                iounmap(up->map.virt);
+                kfree(up);
+
+                return -ENXIO;
         }
 
-        list_add(&pdev->list, &device_list);
+        up->mtd->owner = THIS_MODULE;
 
-        pdev->mtd->owner = THIS_MODULE;
+        add_mtd_device(up->mtd);
 
-        add_mtd_device(pdev->mtd);
-        return(0);
+        dev_set_drvdata(&edev->ofdev.dev, up);
+
+        return 0;
 }
 
-static int __init uflash_init(void)
+static int __devinit uflash_probe(struct of_device *dev, const struct of_device_id *match)
 {
-        struct linux_ebus *ebus = NULL;
-        struct linux_ebus_device *edev = NULL;
-
-        for_each_ebus(ebus) {
-                for_each_ebusdev(edev, ebus) {
-                        if (!strcmp(edev->prom_name, UFLASH_OBPNAME)) {
-                                if(0 > prom_getproplen(edev->prom_node, "user")) {
-                                        DEBUG(2, "%s: ignoring device at 0x%lx\n",
-                                                        UFLASH_DEVNAME, edev->resource[0].start);
-                                } else {
-                                        uflash_devinit(edev);
-                                }
-                        }
-                }
-        }
+        struct linux_ebus_device *edev = to_ebus_device(&dev->dev);
+        struct device_node *dp = dev->node;
 
-        if(list_empty(&device_list)) {
-                printk("%s: unable to locate device\n", UFLASH_DEVNAME);
+        if (of_find_property(dp, "user", NULL))
                 return -ENODEV;
-        }
-        return(0);
+
+        return uflash_devinit(edev, dp);
 }
 
-static void __exit uflash_cleanup(void)
+static int __devexit uflash_remove(struct of_device *dev)
 {
-        struct list_head *udevlist;
-        struct uflash_dev *udev;
-
-        list_for_each(udevlist, &device_list) {
-                udev = list_entry(udevlist, struct uflash_dev, list);
-                DEBUG(2, "%s: removing device %s\n",
-                        UFLASH_DEVNAME, udev->name);
-
-                if(0 != udev->mtd) {
-                        del_mtd_device(udev->mtd);
-                        map_destroy(udev->mtd);
-                }
-                if(0 != udev->map.virt) {
-                        iounmap(udev->map.virt);
-                        udev->map.virt = NULL;
-                }
-                kfree(udev->name);
-                kfree(udev);
+        struct uflash_dev *up = dev_get_drvdata(&dev->dev);
+
+        if (up->mtd) {
+                del_mtd_device(up->mtd);
+                map_destroy(up->mtd);
         }
+        if (up->map.virt) {
+                iounmap(up->map.virt);
+                up->map.virt = NULL;
+        }
+
+        kfree(up);
+
+        return 0;
+}
+
+static struct of_device_id uflash_match[] = {
+        {
+                .name = UFLASH_OBPNAME,
+        },
+        {},
+};
+
+MODULE_DEVICE_TABLE(of, uflash_match);
+
+static struct of_platform_driver uflash_driver = {
+        .name           = UFLASH_DEVNAME,
+        .match_table    = uflash_match,
+        .probe          = uflash_probe,
+        .remove         = __devexit_p(uflash_remove),
+};
+
+static int __init uflash_init(void)
+{
+        return of_register_driver(&uflash_driver, &ebus_bus_type);
+}
+
+static void __exit uflash_exit(void)
+{
+        of_unregister_driver(&uflash_driver);
 }
 
 module_init(uflash_init);
-module_exit(uflash_cleanup);
+module_exit(uflash_exit);
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index aa18d45b264b..9a4b59d92525 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -78,7 +78,7 @@ static loff_t mtd_lseek (struct file *file, loff_t offset, int orig)
                 return -EINVAL;
         }
 
-        if (offset >= 0 && offset < mtd->size)
+        if (offset >= 0 && offset <= mtd->size)
                 return file->f_pos = offset;
 
         return -EINVAL;
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 27083ed0a017..80a76654d963 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1176,7 +1176,7 @@ static int nand_write_oob_std(struct mtd_info *mtd, struct nand_chip *chip,
 
         status = chip->waitfunc(mtd, chip);
 
-        return status;
+        return status & NAND_STATUS_FAIL ? -EIO : 0;
 }
 
 /**
@@ -1271,10 +1271,6 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
                 sndcmd = chip->ecc.read_oob(mtd, chip, page, sndcmd);
                 buf = nand_transfer_oob(chip, buf, ops);
 
-                readlen -= ops->ooblen;
-                if (!readlen)
-                        break;
-
                 if (!(chip->options & NAND_NO_READRDY)) {
                         /*
                          * Apply delay or wait for ready/busy pin. Do this
@@ -1288,6 +1284,10 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
                                 nand_wait_ready(mtd);
                 }
 
+                readlen -= ops->ooblen;
+                if (!readlen)
+                        break;
+
                 /* Increment page address */
                 realpage++;
 
@@ -1610,13 +1610,13 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
         if (!writelen)
                 return 0;
 
+        chipnr = (int)(to >> chip->chip_shift);
+        chip->select_chip(mtd, chipnr);
+
         /* Check, if it is write protected */
         if (nand_check_wp(mtd))
                 return -EIO;
 
-        chipnr = (int)(to >> chip->chip_shift);
-        chip->select_chip(mtd, chipnr);
-
         realpage = (int)(to >> chip->page_shift);
         page = realpage & chip->pagemask;
         blockmask = (1 << (chip->phys_erase_shift - chip->page_shift)) - 1;
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index fe8d38514ba6..e5bd88f2d560 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -61,15 +61,15 @@ static void ndfc_select_chip(struct mtd_info *mtd, int chip)
 
 static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
 {
-        struct nand_chip *chip = mtd->priv;
+        struct ndfc_controller *ndfc = &ndfc_ctrl;
 
         if (cmd == NAND_CMD_NONE)
                 return;
 
         if (ctrl & NAND_CLE)
-                writel(cmd & 0xFF, chip->IO_ADDR_W + NDFC_CMD);
+                writel(cmd & 0xFF, ndfc->ndfcbase + NDFC_CMD);
         else
-                writel(cmd & 0xFF, chip->IO_ADDR_W + NDFC_ALE);
+                writel(cmd & 0xFF, ndfc->ndfcbase + NDFC_ALE);
 }
 
 static int ndfc_ready(struct mtd_info *mtd)
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 2c262fe03d8a..ff5cef24d5bb 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -63,8 +63,6 @@
 #include <asm/arch/regs-nand.h>
 #include <asm/arch/nand.h>
 
-#define PFX "s3c2410-nand: "
-
 #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
 static int hardware_ecc = 1;
 #else
@@ -99,6 +97,12 @@ struct s3c2410_nand_mtd {
         int                             scan_res;
 };
 
+enum s3c_cpu_type {
+        TYPE_S3C2410,
+        TYPE_S3C2412,
+        TYPE_S3C2440,
+};
+
 /* overview of the s3c2410 nand state */
 
 struct s3c2410_nand_info {
@@ -112,9 +116,11 @@ struct s3c2410_nand_info {
         struct resource                 *area;
         struct clk                      *clk;
         void __iomem                    *regs;
+        void __iomem                    *sel_reg;
+        int                             sel_bit;
         int                             mtd_count;
 
-        unsigned char                   is_s3c2440;
+        enum s3c_cpu_type               cpu_type;
 };
 
 /* conversion functions */
@@ -148,7 +154,7 @@ static inline int allow_clk_stop(struct s3c2410_nand_info *info)
 
 #define NS_IN_KHZ 1000000
 
-static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
+static int s3c_nand_calc_rate(int wanted, unsigned long clk, int max)
 {
         int result;
 
@@ -172,53 +178,58 @@ static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
 
 /* controller setup */
 
-static int s3c2410_nand_inithw(struct s3c2410_nand_info *info, struct platform_device *pdev)
+static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
+                               struct platform_device *pdev)
 {
         struct s3c2410_platform_nand *plat = to_nand_plat(pdev);
         unsigned long clkrate = clk_get_rate(info->clk);
+        int tacls_max = (info->cpu_type == TYPE_S3C2412) ? 8 : 4;
         int tacls, twrph0, twrph1;
-        unsigned long cfg;
+        unsigned long cfg = 0;
 
         /* calculate the timing information for the controller */
 
         clkrate /= 1000;        /* turn clock into kHz for ease of use */
 
         if (plat != NULL) {
-                tacls = s3c2410_nand_calc_rate(plat->tacls, clkrate, 4);
-                twrph0 = s3c2410_nand_calc_rate(plat->twrph0, clkrate, 8);
-                twrph1 = s3c2410_nand_calc_rate(plat->twrph1, clkrate, 8);
+                tacls = s3c_nand_calc_rate(plat->tacls, clkrate, tacls_max);
+                twrph0 = s3c_nand_calc_rate(plat->twrph0, clkrate, 8);
+                twrph1 = s3c_nand_calc_rate(plat->twrph1, clkrate, 8);
         } else {
                 /* default timings */
-                tacls = 4;
+                tacls = tacls_max;
                 twrph0 = 8;
                 twrph1 = 8;
         }
 
         if (tacls < 0 || twrph0 < 0 || twrph1 < 0) {
-                printk(KERN_ERR PFX "cannot get timings suitable for board\n");
+                dev_err(info->device, "cannot get suitable timings\n");
                 return -EINVAL;
         }
 
-        printk(KERN_INFO PFX "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n",
+        dev_info(info->device, "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n",
                tacls, to_ns(tacls, clkrate), twrph0, to_ns(twrph0, clkrate), twrph1, to_ns(twrph1, clkrate));
 
-        if (!info->is_s3c2440) {
+        switch (info->cpu_type) {
+        case TYPE_S3C2410:
                 cfg = S3C2410_NFCONF_EN;
                 cfg |= S3C2410_NFCONF_TACLS(tacls - 1);
                 cfg |= S3C2410_NFCONF_TWRPH0(twrph0 - 1);
                 cfg |= S3C2410_NFCONF_TWRPH1(twrph1 - 1);
-        } else {
+                break;
+
+        case TYPE_S3C2440:
+        case TYPE_S3C2412:
                 cfg = S3C2440_NFCONF_TACLS(tacls - 1);
                 cfg |= S3C2440_NFCONF_TWRPH0(twrph0 - 1);
                 cfg |= S3C2440_NFCONF_TWRPH1(twrph1 - 1);
 
                 /* enable the controller and de-assert nFCE */
 
-                writel(S3C2440_NFCONT_ENABLE | S3C2440_NFCONT_ENABLE,
-                       info->regs + S3C2440_NFCONT);
+                writel(S3C2440_NFCONT_ENABLE, info->regs + S3C2440_NFCONT);
         }
 
-        pr_debug(PFX "NF_CONF is 0x%lx\n", cfg);
+        dev_dbg(info->device, "NF_CONF is 0x%lx\n", cfg);
 
         writel(cfg, info->regs + S3C2410_NFCONF);
         return 0;
@@ -231,26 +242,21 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
         struct s3c2410_nand_info *info;
         struct s3c2410_nand_mtd *nmtd;
         struct nand_chip *this = mtd->priv;
-        void __iomem *reg;
         unsigned long cur;
-        unsigned long bit;
 
         nmtd = this->priv;
         info = nmtd->info;
 
-        bit = (info->is_s3c2440) ? S3C2440_NFCONT_nFCE : S3C2410_NFCONF_nFCE;
-        reg = info->regs + ((info->is_s3c2440) ? S3C2440_NFCONT : S3C2410_NFCONF);
-
         if (chip != -1 && allow_clk_stop(info))
                 clk_enable(info->clk);
 
-        cur = readl(reg);
+        cur = readl(info->sel_reg);
 
         if (chip == -1) {
-                cur |= bit;
+                cur |= info->sel_bit;
         } else {
                 if (nmtd->set != NULL && chip > nmtd->set->nr_chips) {
-                        printk(KERN_ERR PFX "chip %d out of range\n", chip);
+                        dev_err(info->device, "invalid chip %d\n", chip);
                         return;
                 }
 
@@ -259,10 +265,10 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
                                 (info->platform->select_chip) (nmtd->set, chip);
                 }
 
-                cur &= ~bit;
+                cur &= ~info->sel_bit;
         }
 
-        writel(cur, reg);
+        writel(cur, info->sel_reg);
 
         if (chip == -1 && allow_clk_stop(info))
                 clk_disable(info->clk);
@@ -311,15 +317,25 @@ static void s3c2440_nand_hwcontrol(struct mtd_info *mtd, int cmd,
 static int s3c2410_nand_devready(struct mtd_info *mtd)
 {
         struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
-
-        if (info->is_s3c2440)
-                return readb(info->regs + S3C2440_NFSTAT) & S3C2440_NFSTAT_READY;
         return readb(info->regs + S3C2410_NFSTAT) & S3C2410_NFSTAT_BUSY;
 }
 
+static int s3c2440_nand_devready(struct mtd_info *mtd)
+{
+        struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
+        return readb(info->regs + S3C2440_NFSTAT) & S3C2440_NFSTAT_READY;
+}
+
+static int s3c2412_nand_devready(struct mtd_info *mtd)
+{
+        struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
+        return readb(info->regs + S3C2412_NFSTAT) & S3C2412_NFSTAT_READY;
+}
+
 /* ECC handling functions */
 
-static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
+static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
+                                     u_char *read_ecc, u_char *calc_ecc)
 {
         pr_debug("s3c2410_nand_correct_data(%p,%p,%p,%p)\n", mtd, dat, read_ecc, calc_ecc);
 
@@ -487,11 +503,8 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
                                    struct s3c2410_nand_set *set)
 {
         struct nand_chip *chip = &nmtd->chip;
+        void __iomem *regs = info->regs;
 
-        chip->IO_ADDR_R    = info->regs + S3C2410_NFDATA;
-        chip->IO_ADDR_W    = info->regs + S3C2410_NFDATA;
-        chip->cmd_ctrl     = s3c2410_nand_hwcontrol;
-        chip->dev_ready    = s3c2410_nand_devready;
         chip->write_buf    = s3c2410_nand_write_buf;
         chip->read_buf     = s3c2410_nand_read_buf;
         chip->select_chip  = s3c2410_nand_select_chip;
@@ -500,11 +513,37 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
         chip->options      = 0;
         chip->controller   = &info->controller;
 
-        if (info->is_s3c2440) {
-                chip->IO_ADDR_R  = info->regs + S3C2440_NFDATA;
-                chip->IO_ADDR_W  = info->regs + S3C2440_NFDATA;
-                chip->cmd_ctrl   = s3c2440_nand_hwcontrol;
-        }
+        switch (info->cpu_type) {
+        case TYPE_S3C2410:
+                chip->IO_ADDR_W = regs + S3C2410_NFDATA;
+                info->sel_reg   = regs + S3C2410_NFCONF;
+                info->sel_bit   = S3C2410_NFCONF_nFCE;
+                chip->cmd_ctrl  = s3c2410_nand_hwcontrol;
+                chip->dev_ready = s3c2410_nand_devready;
+                break;
+
+        case TYPE_S3C2440:
+                chip->IO_ADDR_W = regs + S3C2440_NFDATA;
+                info->sel_reg   = regs + S3C2440_NFCONT;
+                info->sel_bit   = S3C2440_NFCONT_nFCE;
+                chip->cmd_ctrl  = s3c2440_nand_hwcontrol;
+                chip->dev_ready = s3c2440_nand_devready;
+                break;
+
+        case TYPE_S3C2412:
+                chip->IO_ADDR_W = regs + S3C2440_NFDATA;
+                info->sel_reg   = regs + S3C2440_NFCONT;
+                info->sel_bit   = S3C2412_NFCONT_nFCE0;
+                chip->cmd_ctrl  = s3c2440_nand_hwcontrol;
+                chip->dev_ready = s3c2412_nand_devready;
+
+                if (readl(regs + S3C2410_NFCONF) & S3C2412_NFCONF_NANDBOOT)
+                        dev_info(info->device, "System booted from NAND\n");
+
+                break;
+        }
+
+        chip->IO_ADDR_R = chip->IO_ADDR_W;
 
         nmtd->info         = info;
         nmtd->mtd.priv     = chip;
@@ -512,17 +551,25 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
         nmtd->set          = set;
 
         if (hardware_ecc) {
-                chip->ecc.correct   = s3c2410_nand_correct_data;
-                chip->ecc.hwctl     = s3c2410_nand_enable_hwecc;
                 chip->ecc.calculate = s3c2410_nand_calculate_ecc;
+                chip->ecc.correct   = s3c2410_nand_correct_data;
                 chip->ecc.mode      = NAND_ECC_HW;
                 chip->ecc.size      = 512;
                 chip->ecc.bytes     = 3;
                 chip->ecc.layout    = &nand_hw_eccoob;
 
-                if (info->is_s3c2440) {
-                        chip->ecc.hwctl     = s3c2440_nand_enable_hwecc;
-                        chip->ecc.calculate = s3c2440_nand_calculate_ecc;
+                switch (info->cpu_type) {
+                case TYPE_S3C2410:
+                        chip->ecc.hwctl     = s3c2410_nand_enable_hwecc;
+                        chip->ecc.calculate = s3c2410_nand_calculate_ecc;
+                        break;
+
+                case TYPE_S3C2412:
+                case TYPE_S3C2440:
+                        chip->ecc.hwctl     = s3c2440_nand_enable_hwecc;
+                        chip->ecc.calculate = s3c2440_nand_calculate_ecc;
+                        break;
+
                 }
         } else {
                 chip->ecc.mode      = NAND_ECC_SOFT;
@@ -537,7 +584,8 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
  * nand layer to look for devices
 */
 
-static int s3c24xx_nand_probe(struct platform_device *pdev, int is_s3c2440)
+static int s3c24xx_nand_probe(struct platform_device *pdev,
+                              enum s3c_cpu_type cpu_type)
 {
         struct s3c2410_platform_nand *plat = to_nand_plat(pdev);
         struct s3c2410_nand_info *info;
@@ -592,7 +640,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev, int is_s3c2440)
         info->device     = &pdev->dev;
         info->platform   = plat;
         info->regs       = ioremap(res->start, size);
-        info->is_s3c2440 = is_s3c2440;
+        info->cpu_type   = cpu_type;
 
         if (info->regs == NULL) {
                 dev_err(&pdev->dev, "cannot reserve register region\n");
@@ -699,12 +747,17 @@ static int s3c24xx_nand_resume(struct platform_device *dev)
 
 static int s3c2410_nand_probe(struct platform_device *dev)
 {
-        return s3c24xx_nand_probe(dev, 0);
+        return s3c24xx_nand_probe(dev, TYPE_S3C2410);
 }
 
 static int s3c2440_nand_probe(struct platform_device *dev)
 {
-        return s3c24xx_nand_probe(dev, 1);
+        return s3c24xx_nand_probe(dev, TYPE_S3C2440);
+}
+
+static int s3c2412_nand_probe(struct platform_device *dev)
+{
+        return s3c24xx_nand_probe(dev, TYPE_S3C2412);
 }
 
 static struct platform_driver s3c2410_nand_driver = {
@@ -729,16 +782,29 @@ static struct platform_driver s3c2440_nand_driver = {
         },
 };
 
+static struct platform_driver s3c2412_nand_driver = {
+        .probe          = s3c2412_nand_probe,
+        .remove         = s3c2410_nand_remove,
+        .suspend        = s3c24xx_nand_suspend,
+        .resume         = s3c24xx_nand_resume,
+        .driver         = {
+                .name   = "s3c2412-nand",
+                .owner  = THIS_MODULE,
+        },
+};
+
 static int __init s3c2410_nand_init(void)
 {
         printk("S3C24XX NAND Driver, (c) 2004 Simtec Electronics\n");
 
+        platform_driver_register(&s3c2412_nand_driver);
         platform_driver_register(&s3c2440_nand_driver);
         return platform_driver_register(&s3c2410_nand_driver);
 }
 
 static void __exit s3c2410_nand_exit(void)
 {
+        platform_driver_unregister(&s3c2412_nand_driver);
         platform_driver_unregister(&s3c2440_nand_driver);
         platform_driver_unregister(&s3c2410_nand_driver);
 }
diff --git a/drivers/mtd/nand/ts7250.c b/drivers/mtd/nand/ts7250.c
index a0b4b1edcb0d..f40081069ab2 100644
--- a/drivers/mtd/nand/ts7250.c
+++ b/drivers/mtd/nand/ts7250.c
@@ -97,7 +97,7 @@ static void ts7250_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
                 unsigned long addr = TS72XX_NAND_CONTROL_VIRT_BASE;
                 unsigned char bits;
 
-                bits = (ctrl & NAND_CNE) << 2;
+                bits = (ctrl & NAND_NCE) << 2;
                 bits |= ctrl & NAND_CLE;
                 bits |= (ctrl & NAND_ALE) >> 2;