diff options
Diffstat (limited to 'drivers/mtd/nand/edb7312.c')
| -rw-r--r-- | drivers/mtd/nand/edb7312.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c index 5549681..9b1fd2f 100644 --- a/drivers/mtd/nand/edb7312.c +++ b/drivers/mtd/nand/edb7312.c @@ -6,7 +6,7 @@ * Derived from drivers/mtd/nand/autcpu12.c * Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de) * - * $Id: edb7312.c,v 1.11 2004/11/04 12:53:10 gleixner Exp $ + * $Id: edb7312.c,v 1.12 2005/11/07 11:14:30 gleixner Exp $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -71,27 +71,27 @@ static struct mtd_partition partition_info[] = { #endif -/* +/* * hardware specific access to control-lines */ -static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd) +static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd) { switch(cmd) { - - case NAND_CTL_SETCLE: - clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr); + + case NAND_CTL_SETCLE: + clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr); break; - case NAND_CTL_CLRCLE: + case NAND_CTL_CLRCLE: clps_writeb(clps_readb(ep7312_pxdr) & ~0x10, ep7312_pxdr); break; - + case NAND_CTL_SETALE: clps_writeb(clps_readb(ep7312_pxdr) | 0x20, ep7312_pxdr); break; case NAND_CTL_CLRALE: clps_writeb(clps_readb(ep7312_pxdr) & ~0x20, ep7312_pxdr); break; - + case NAND_CTL_SETNCE: clps_writeb((clps_readb(ep7312_pxdr) | 0x80) & ~0x40, ep7312_pxdr); break; @@ -122,16 +122,16 @@ static int __init ep7312_init (void) int mtd_parts_nb = 0; struct mtd_partition *mtd_parts = 0; void __iomem * ep7312_fio_base; - + /* Allocate memory for MTD device structure and private data */ - ep7312_mtd = kmalloc(sizeof(struct mtd_info) + + ep7312_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL); if (!ep7312_mtd) { printk("Unable to allocate EDB7312 NAND MTD device structure.\n"); return -ENOMEM; } - + /* map physical adress */ ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K); if(!ep7312_fio_base) { @@ -139,23 +139,23 @@ static int __init ep7312_init (void) kfree(ep7312_mtd); return -EIO; } - + /* Get pointer to private data */ this = (struct nand_chip *) (&ep7312_mtd[1]); - + /* Initialize structures */ memset((char *) ep7312_mtd, 0, sizeof(struct mtd_info)); memset((char *) this, 0, sizeof(struct nand_chip)); - + /* Link the private data with the MTD structure */ ep7312_mtd->priv = this; - + /* * Set GPIO Port B control register so that the pins are configured * to be outputs for controlling the NAND flash. */ clps_writeb(0xf0, ep7312_pxddr); - + /* insert callbacks */ this->IO_ADDR_R = ep7312_fio_base; this->IO_ADDR_W = ep7312_fio_base; @@ -163,14 +163,14 @@ static int __init ep7312_init (void) this->dev_ready = ep7312_device_ready; /* 15 us command delay time */ this->chip_delay = 15; - + /* Scan to find existence of the device */ if (nand_scan (ep7312_mtd, 1)) { iounmap((void *)ep7312_fio_base); kfree (ep7312_mtd); return -ENXIO; } - + #ifdef CONFIG_MTD_PARTITIONS ep7312_mtd->name = "edb7312-nand"; mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes, @@ -185,11 +185,11 @@ static int __init ep7312_init (void) mtd_parts_nb = NUM_PARTITIONS; part_type = "static"; } - + /* Register the partitions */ printk(KERN_NOTICE "Using %s partition definition\n", part_type); add_mtd_partitions(ep7312_mtd, mtd_parts, mtd_parts_nb); - + /* Return happy */ return 0; } @@ -201,13 +201,13 @@ module_init(ep7312_init); static void __exit ep7312_cleanup (void) { struct nand_chip *this = (struct nand_chip *) &ep7312_mtd[1]; - + /* Release resources, unregister device */ nand_release (ap7312_mtd); - + /* Free internal data buffer */ kfree (this->data_buf); - + /* Free the MTD device structure */ kfree (ep7312_mtd); } |