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-rw-r--r--drivers/mtd/Kconfig4
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c1
-rw-r--r--drivers/mtd/chips/jedec.c1
-rw-r--r--drivers/mtd/chips/map_absent.c3
-rw-r--r--drivers/mtd/chips/map_ram.c1
-rw-r--r--drivers/mtd/chips/map_rom.c1
-rw-r--r--drivers/mtd/devices/block2mtd.c1
-rw-r--r--drivers/mtd/devices/ms02-nv.c1
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c1
-rw-r--r--drivers/mtd/devices/phram.c1
-rw-r--r--drivers/mtd/devices/pmc551.c3
-rw-r--r--drivers/mtd/devices/slram.c1
-rw-r--r--drivers/mtd/maps/Kconfig2
-rw-r--r--drivers/mtd/maps/ixp2000.c2
-rw-r--r--drivers/mtd/maps/physmap.c2
-rw-r--r--drivers/mtd/maps/sun_uflash.c195
-rw-r--r--drivers/mtd/mtdchar.c2
-rw-r--r--drivers/mtd/nand/nand_base.c16
-rw-r--r--drivers/mtd/nand/ndfc.c6
-rw-r--r--drivers/mtd/nand/s3c2410.c164
-rw-r--r--drivers/mtd/nand/ts7250.c2
21 files changed, 240 insertions, 170 deletions
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 5ac265dde42..1344ad7a4b1 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 0d435814aaa..39edb8250fb 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 c40b48dabed..2c3f019197c 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 a611de9b151..ac01a949b68 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 763925747db..3a66680abfd 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 bc6ee9ef8a3..1b328b1378f 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 0d98c223c5f..be3f1c136d0 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 4ab7670770e..08dfb899b27 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 a19480d0788..04271d02b6b 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 e09e416667d..6c7337f9ebb 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 666cce1bf60..f620d74f100 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 b3f665e3c38..542a0c00900 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 6bdaacc6d6f..83d0b2a5252 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 2c9cc7f37e9..c26488a1793 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 433c3cac3ca..d6301f08906 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 0758cb1d010..24a03152d19 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 aa18d45b264..9a4b59d9252 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 27083ed0a01..80a76654d96 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 fe8d38514ba..e5bd88f2d56 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 2c262fe03d8..ff5cef24d5b 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 a0b4b1edcb0..f40081069ab 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 00:49:32 +0000