mtd: nand: move raw NAND related code to the raw/ subdir

As part of the process of sharing more code between different NAND
based devices, we need to move all raw NAND related code to the raw/
subdirectory.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

1 files changed, 0 insertions, 233 deletions

diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
deleted file mode 100644
index e93df02c825e..000000000000
--- a/drivers/mtd/nand/sharpsl.c
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- *  Copyright (C) 2004 Richard Purdie
- *  Copyright (C) 2008 Dmitry Baryshkov
- *
- *  Based on Sharp's NAND driver sharp_sl.c
- *
- * 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
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/genhd.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
-#include <linux/mtd/nand_ecc.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/sharpsl.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-
-#include <asm/io.h>
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-
-struct sharpsl_nand {
-	struct nand_chip	chip;
-
-	void __iomem		*io;
-};
-
-static inline struct sharpsl_nand *mtd_to_sharpsl(struct mtd_info *mtd)
-{
-	return container_of(mtd_to_nand(mtd), struct sharpsl_nand, chip);
-}
-
-/* register offset */
-#define ECCLPLB		0x00	/* line parity 7 - 0 bit */
-#define ECCLPUB		0x04	/* line parity 15 - 8 bit */
-#define ECCCP		0x08	/* column parity 5 - 0 bit */
-#define ECCCNTR		0x0C	/* ECC byte counter */
-#define ECCCLRR		0x10	/* cleare ECC */
-#define FLASHIO		0x14	/* Flash I/O */
-#define FLASHCTL	0x18	/* Flash Control */
-
-/* Flash control bit */
-#define FLRYBY		(1 << 5)
-#define FLCE1		(1 << 4)
-#define FLWP		(1 << 3)
-#define FLALE		(1 << 2)
-#define FLCLE		(1 << 1)
-#define FLCE0		(1 << 0)
-
-/*
- *	hardware specific access to control-lines
- *	ctrl:
- *	NAND_CNE: bit 0 -> ! bit 0 & 4
- *	NAND_CLE: bit 1 -> bit 1
- *	NAND_ALE: bit 2 -> bit 2
- *
- */
-static void sharpsl_nand_hwcontrol(struct mtd_info *mtd, int cmd,
-				   unsigned int ctrl)
-{
-	struct sharpsl_nand *sharpsl = mtd_to_sharpsl(mtd);
-	struct nand_chip *chip = mtd_to_nand(mtd);
-
-	if (ctrl & NAND_CTRL_CHANGE) {
-		unsigned char bits = ctrl & 0x07;
-
-		bits |= (ctrl & 0x01) << 4;
-
-		bits ^= 0x11;
-
-		writeb((readb(sharpsl->io + FLASHCTL) & ~0x17) | bits, sharpsl->io + FLASHCTL);
-	}
-
-	if (cmd != NAND_CMD_NONE)
-		writeb(cmd, chip->IO_ADDR_W);
-}
-
-static int sharpsl_nand_dev_ready(struct mtd_info *mtd)
-{
-	struct sharpsl_nand *sharpsl = mtd_to_sharpsl(mtd);
-	return !((readb(sharpsl->io + FLASHCTL) & FLRYBY) == 0);
-}
-
-static void sharpsl_nand_enable_hwecc(struct mtd_info *mtd, int mode)
-{
-	struct sharpsl_nand *sharpsl = mtd_to_sharpsl(mtd);
-	writeb(0, sharpsl->io + ECCCLRR);
-}
-
-static int sharpsl_nand_calculate_ecc(struct mtd_info *mtd, const u_char * dat, u_char * ecc_code)
-{
-	struct sharpsl_nand *sharpsl = mtd_to_sharpsl(mtd);
-	ecc_code[0] = ~readb(sharpsl->io + ECCLPUB);
-	ecc_code[1] = ~readb(sharpsl->io + ECCLPLB);
-	ecc_code[2] = (~readb(sharpsl->io + ECCCP) << 2) | 0x03;
-	return readb(sharpsl->io + ECCCNTR) != 0;
-}
-
-/*
- * Main initialization routine
- */
-static int sharpsl_nand_probe(struct platform_device *pdev)
-{
-	struct nand_chip *this;
-	struct mtd_info *mtd;
-	struct resource *r;
-	int err = 0;
-	struct sharpsl_nand *sharpsl;
-	struct sharpsl_nand_platform_data *data = dev_get_platdata(&pdev->dev);
-
-	if (!data) {
-		dev_err(&pdev->dev, "no platform data!\n");
-		return -EINVAL;
-	}
-
-	/* Allocate memory for MTD device structure and private data */
-	sharpsl = kzalloc(sizeof(struct sharpsl_nand), GFP_KERNEL);
-	if (!sharpsl)
-		return -ENOMEM;
-
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!r) {
-		dev_err(&pdev->dev, "no io memory resource defined!\n");
-		err = -ENODEV;
-		goto err_get_res;
-	}
-
-	/* map physical address */
-	sharpsl->io = ioremap(r->start, resource_size(r));
-	if (!sharpsl->io) {
-		dev_err(&pdev->dev, "ioremap to access Sharp SL NAND chip failed\n");
-		err = -EIO;
-		goto err_ioremap;
-	}
-
-	/* Get pointer to private data */
-	this = (struct nand_chip *)(&sharpsl->chip);
-
-	/* Link the private data with the MTD structure */
-	mtd = nand_to_mtd(this);
-	mtd->dev.parent = &pdev->dev;
-	mtd_set_ooblayout(mtd, data->ecc_layout);
-
-	platform_set_drvdata(pdev, sharpsl);
-
-	/*
-	 * PXA initialize
-	 */
-	writeb(readb(sharpsl->io + FLASHCTL) | FLWP, sharpsl->io + FLASHCTL);
-
-	/* Set address of NAND IO lines */
-	this->IO_ADDR_R = sharpsl->io + FLASHIO;
-	this->IO_ADDR_W = sharpsl->io + FLASHIO;
-	/* Set address of hardware control function */
-	this->cmd_ctrl = sharpsl_nand_hwcontrol;
-	this->dev_ready = sharpsl_nand_dev_ready;
-	/* 15 us command delay time */
-	this->chip_delay = 15;
-	/* set eccmode using hardware ECC */
-	this->ecc.mode = NAND_ECC_HW;
-	this->ecc.size = 256;
-	this->ecc.bytes = 3;
-	this->ecc.strength = 1;
-	this->badblock_pattern = data->badblock_pattern;
-	this->ecc.hwctl = sharpsl_nand_enable_hwecc;
-	this->ecc.calculate = sharpsl_nand_calculate_ecc;
-	this->ecc.correct = nand_correct_data;
-
-	/* Scan to find existence of the device */
-	err = nand_scan(mtd, 1);
-	if (err)
-		goto err_scan;
-
-	/* Register the partitions */
-	mtd->name = "sharpsl-nand";
-
-	err = mtd_device_parse_register(mtd, data->part_parsers, NULL,
-					data->partitions, data->nr_partitions);
-	if (err)
-		goto err_add;
-
-	/* Return happy */
-	return 0;
-
-err_add:
-	nand_release(mtd);
-
-err_scan:
-	iounmap(sharpsl->io);
-err_ioremap:
-err_get_res:
-	kfree(sharpsl);
-	return err;
-}
-
-/*
- * Clean up routine
- */
-static int sharpsl_nand_remove(struct platform_device *pdev)
-{
-	struct sharpsl_nand *sharpsl = platform_get_drvdata(pdev);
-
-	/* Release resources, unregister device */
-	nand_release(nand_to_mtd(&sharpsl->chip));
-
-	iounmap(sharpsl->io);
-
-	/* Free the MTD device structure */
-	kfree(sharpsl);
-
-	return 0;
-}
-
-static struct platform_driver sharpsl_nand_driver = {
-	.driver = {
-		.name	= "sharpsl-nand",
-	},
-	.probe		= sharpsl_nand_probe,
-	.remove		= sharpsl_nand_remove,
-};
-
-module_platform_driver(sharpsl_nand_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>");
-MODULE_DESCRIPTION("Device specific logic for NAND flash on Sharp SL-C7xx Series");