Commit bb6a7755 authored by David Woodhouse's avatar David Woodhouse
Browse files

mtd: nand: rename w90p910_nand.c to nuc900_nand.c

parent 49f37b74
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+3 −3
Original line number Diff line number Diff line
@@ -489,11 +489,11 @@ config MTD_NAND_SOCRATES
	help
	  Enables support for NAND Flash chips wired onto Socrates board.

config MTD_NAND_W90P910
	tristate "Support for NAND on w90p910 evaluation board."
config MTD_NAND_NUC900
	tristate "Support for NAND on Nuvoton NUC9xx/w90p910 evaluation boards."
	depends on ARCH_W90X900 && MTD_PARTITIONS
	help
	  This enables the driver for the NAND Flash on evaluation board based
	  on w90p910.
	  on w90p910 / NUC9xx.

endif # MTD_NAND
+1 −1
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ obj-$(CONFIG_MTD_NAND_SH_FLCTL) += sh_flctl.o
obj-$(CONFIG_MTD_NAND_MXC)		+= mxc_nand.o
obj-$(CONFIG_MTD_NAND_SOCRATES)		+= socrates_nand.o
obj-$(CONFIG_MTD_NAND_TXX9NDFMC)	+= txx9ndfmc.o
obj-$(CONFIG_MTD_NAND_W90P910)		+= w90p910_nand.o
obj-$(CONFIG_MTD_NAND_NUC900)		+= nuc900_nand.o
obj-$(CONFIG_MTD_NAND_NOMADIK)		+= nomadik_nand.o
obj-$(CONFIG_MTD_NAND_BCM_UMI)		+= bcm_umi_nand.o nand_bcm_umi.o

+70 −70
Original line number Diff line number Diff line
/*
 * Copyright (c) 2009 Nuvoton technology corporation.
 * Copyright © 2009 Nuvoton technology corporation.
 *
 * Wan ZongShun <mcuos.com@gmail.com>
 *
@@ -55,7 +55,7 @@
#define write_addr_reg(dev, val)	\
	__raw_writel((val), (dev)->reg + REG_SMADDR)

struct w90p910_nand {
struct nuc900_nand {
	struct mtd_info mtd;
	struct nand_chip chip;
	void __iomem *reg;
@@ -76,49 +76,49 @@ static const struct mtd_partition partitions[] = {
	}
};

static unsigned char w90p910_nand_read_byte(struct mtd_info *mtd)
static unsigned char nuc900_nand_read_byte(struct mtd_info *mtd)
{
	unsigned char ret;
	struct w90p910_nand *nand;
	struct nuc900_nand *nand;

	nand = container_of(mtd, struct w90p910_nand, mtd);
	nand = container_of(mtd, struct nuc900_nand, mtd);

	ret = (unsigned char)read_data_reg(nand);

	return ret;
}

static void w90p910_nand_read_buf(struct mtd_info *mtd,
static void nuc900_nand_read_buf(struct mtd_info *mtd,
				 unsigned char *buf, int len)
{
	int i;
	struct w90p910_nand *nand;
	struct nuc900_nand *nand;

	nand = container_of(mtd, struct w90p910_nand, mtd);
	nand = container_of(mtd, struct nuc900_nand, mtd);

	for (i = 0; i < len; i++)
		buf[i] = (unsigned char)read_data_reg(nand);
}

static void w90p910_nand_write_buf(struct mtd_info *mtd,
static void nuc900_nand_write_buf(struct mtd_info *mtd,
				  const unsigned char *buf, int len)
{
	int i;
	struct w90p910_nand *nand;
	struct nuc900_nand *nand;

	nand = container_of(mtd, struct w90p910_nand, mtd);
	nand = container_of(mtd, struct nuc900_nand, mtd);

	for (i = 0; i < len; i++)
		write_data_reg(nand, buf[i]);
}

static int w90p910_verify_buf(struct mtd_info *mtd,
static int nuc900_verify_buf(struct mtd_info *mtd,
			     const unsigned char *buf, int len)
{
	int i;
	struct w90p910_nand *nand;
	struct nuc900_nand *nand;

	nand = container_of(mtd, struct w90p910_nand, mtd);
	nand = container_of(mtd, struct nuc900_nand, mtd);

	for (i = 0; i < len; i++) {
		if (buf[i] != (unsigned char)read_data_reg(nand))
@@ -128,7 +128,7 @@ static int w90p910_verify_buf(struct mtd_info *mtd,
	return 0;
}

static int w90p910_check_rb(struct w90p910_nand *nand)
static int nuc900_check_rb(struct nuc900_nand *nand)
{
	unsigned int val;
	spin_lock(&nand->lock);
@@ -139,24 +139,24 @@ static int w90p910_check_rb(struct w90p910_nand *nand)
	return val;
}

static int w90p910_nand_devready(struct mtd_info *mtd)
static int nuc900_nand_devready(struct mtd_info *mtd)
{
	struct w90p910_nand *nand;
	struct nuc900_nand *nand;
	int ready;

	nand = container_of(mtd, struct w90p910_nand, mtd);
	nand = container_of(mtd, struct nuc900_nand, mtd);

	ready = (w90p910_check_rb(nand)) ? 1 : 0;
	ready = (nuc900_check_rb(nand)) ? 1 : 0;
	return ready;
}

static void w90p910_nand_command_lp(struct mtd_info *mtd,
			unsigned int command, int column, int page_addr)
static void nuc900_nand_command_lp(struct mtd_info *mtd, unsigned int command,
				   int column, int page_addr)
{
	register struct nand_chip *chip = mtd->priv;
	struct w90p910_nand *nand;
	struct nuc900_nand *nand;

	nand = container_of(mtd, struct w90p910_nand, mtd);
	nand = container_of(mtd, struct nuc900_nand, mtd);

	if (command == NAND_CMD_READOOB) {
		column += mtd->writesize;
@@ -212,7 +212,7 @@ static void w90p910_nand_command_lp(struct mtd_info *mtd,
		write_cmd_reg(nand, NAND_CMD_STATUS);
		write_cmd_reg(nand, command);

		while (!w90p910_check_rb(nand))
		while (!nuc900_check_rb(nand))
			;

		return;
@@ -241,7 +241,7 @@ static void w90p910_nand_command_lp(struct mtd_info *mtd,
}


static void w90p910_nand_enable(struct w90p910_nand *nand)
static void nuc900_nand_enable(struct nuc900_nand *nand)
{
	unsigned int val;
	spin_lock(&nand->lock);
@@ -262,37 +262,37 @@ static void w90p910_nand_enable(struct w90p910_nand *nand)
	spin_unlock(&nand->lock);
}

static int __devinit w90p910_nand_probe(struct platform_device *pdev)
static int __devinit nuc900_nand_probe(struct platform_device *pdev)
{
	struct w90p910_nand *w90p910_nand;
	struct nuc900_nand *nuc900_nand;
	struct nand_chip *chip;
	int retval;
	struct resource *res;

	retval = 0;

	w90p910_nand = kzalloc(sizeof(struct w90p910_nand), GFP_KERNEL);
	if (!w90p910_nand)
	nuc900_nand = kzalloc(sizeof(struct nuc900_nand), GFP_KERNEL);
	if (!nuc900_nand)
		return -ENOMEM;
	chip = &(w90p910_nand->chip);
	chip = &(nuc900_nand->chip);

	w90p910_nand->mtd.priv	= chip;
	w90p910_nand->mtd.owner	= THIS_MODULE;
	spin_lock_init(&w90p910_nand->lock);
	nuc900_nand->mtd.priv	= chip;
	nuc900_nand->mtd.owner	= THIS_MODULE;
	spin_lock_init(&nuc900_nand->lock);

	w90p910_nand->clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(w90p910_nand->clk)) {
	nuc900_nand->clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(nuc900_nand->clk)) {
		retval = -ENOENT;
		goto fail1;
	}
	clk_enable(w90p910_nand->clk);

	chip->cmdfunc		= w90p910_nand_command_lp;
	chip->dev_ready		= w90p910_nand_devready;
	chip->read_byte		= w90p910_nand_read_byte;
	chip->write_buf		= w90p910_nand_write_buf;
	chip->read_buf		= w90p910_nand_read_buf;
	chip->verify_buf	= w90p910_verify_buf;
	clk_enable(nuc900_nand->clk);

	chip->cmdfunc		= nuc900_nand_command_lp;
	chip->dev_ready		= nuc900_nand_devready;
	chip->read_byte		= nuc900_nand_read_byte;
	chip->write_buf		= nuc900_nand_write_buf;
	chip->read_buf		= nuc900_nand_read_buf;
	chip->verify_buf	= nuc900_verify_buf;
	chip->chip_delay	= 50;
	chip->options		= 0;
	chip->ecc.mode		= NAND_ECC_SOFT;
@@ -308,75 +308,75 @@ static int __devinit w90p910_nand_probe(struct platform_device *pdev)
		goto fail1;
	}

	w90p910_nand->reg = ioremap(res->start, resource_size(res));
	if (!w90p910_nand->reg) {
	nuc900_nand->reg = ioremap(res->start, resource_size(res));
	if (!nuc900_nand->reg) {
		retval = -ENOMEM;
		goto fail2;
	}

	w90p910_nand_enable(w90p910_nand);
	nuc900_nand_enable(nuc900_nand);

	if (nand_scan(&(w90p910_nand->mtd), 1)) {
	if (nand_scan(&(nuc900_nand->mtd), 1)) {
		retval = -ENXIO;
		goto fail3;
	}

	add_mtd_partitions(&(w90p910_nand->mtd), partitions,
	add_mtd_partitions(&(nuc900_nand->mtd), partitions,
						ARRAY_SIZE(partitions));

	platform_set_drvdata(pdev, w90p910_nand);
	platform_set_drvdata(pdev, nuc900_nand);

	return retval;

fail3:	iounmap(w90p910_nand->reg);
fail3:	iounmap(nuc900_nand->reg);
fail2:	release_mem_region(res->start, resource_size(res));
fail1:	kfree(w90p910_nand);
fail1:	kfree(nuc900_nand);
	return retval;
}

static int __devexit w90p910_nand_remove(struct platform_device *pdev)
static int __devexit nuc900_nand_remove(struct platform_device *pdev)
{
	struct w90p910_nand *w90p910_nand = platform_get_drvdata(pdev);
	struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev);
	struct resource *res;

	iounmap(w90p910_nand->reg);
	iounmap(nuc900_nand->reg);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	release_mem_region(res->start, resource_size(res));

	clk_disable(w90p910_nand->clk);
	clk_put(w90p910_nand->clk);
	clk_disable(nuc900_nand->clk);
	clk_put(nuc900_nand->clk);

	kfree(w90p910_nand);
	kfree(nuc900_nand);

	platform_set_drvdata(pdev, NULL);

	return 0;
}

static struct platform_driver w90p910_nand_driver = {
	.probe		= w90p910_nand_probe,
	.remove		= __devexit_p(w90p910_nand_remove),
static struct platform_driver nuc900_nand_driver = {
	.probe		= nuc900_nand_probe,
	.remove		= __devexit_p(nuc900_nand_remove),
	.driver		= {
		.name	= "nuc900-fmi",
		.owner	= THIS_MODULE,
	},
};

static int __init w90p910_nand_init(void)
static int __init nuc900_nand_init(void)
{
	return platform_driver_register(&w90p910_nand_driver);
	return platform_driver_register(&nuc900_nand_driver);
}

static void __exit w90p910_nand_exit(void)
static void __exit nuc900_nand_exit(void)
{
	platform_driver_unregister(&w90p910_nand_driver);
	platform_driver_unregister(&nuc900_nand_driver);
}

module_init(w90p910_nand_init);
module_exit(w90p910_nand_exit);
module_init(nuc900_nand_init);
module_exit(nuc900_nand_exit);

MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
MODULE_DESCRIPTION("w90p910 nand driver!");
MODULE_DESCRIPTION("w90p910/NUC9xx nand driver!");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:nuc900-fmi");