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, 291 deletions

diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
deleted file mode 100644
index 35f80523e52e..000000000000
--- a/drivers/mtd/nand/ams-delta.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- *  Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
- *
- *  Derived from drivers/mtd/nand/toto.c (removed in v2.6.28)
- *    Copyright (c) 2003 Texas Instruments
- *    Copyright (c) 2002 Thomas Gleixner <tgxl@linutronix.de>
- *
- *  Converted to platform driver by Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
- *  Partially stolen from plat_nand.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.
- *
- *  Overview:
- *   This is a device driver for the NAND flash device found on the
- *   Amstrad E3 (Delta).
- */
-
-#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/partitions.h>
-#include <linux/gpio.h>
-#include <linux/platform_data/gpio-omap.h>
-
-#include <asm/io.h>
-#include <asm/sizes.h>
-
-#include <mach/board-ams-delta.h>
-
-#include <mach/hardware.h>
-
-/*
- * MTD structure for E3 (Delta)
- */
-static struct mtd_info *ams_delta_mtd = NULL;
-
-/*
- * Define partitions for flash devices
- */
-
-static const struct mtd_partition partition_info[] = {
-	{ .name		= "Kernel",
-	  .offset	= 0,
-	  .size		= 3 * SZ_1M + SZ_512K },
-	{ .name		= "u-boot",
-	  .offset	= 3 * SZ_1M + SZ_512K,
-	  .size		= SZ_256K },
-	{ .name		= "u-boot params",
-	  .offset	= 3 * SZ_1M + SZ_512K + SZ_256K,
-	  .size		= SZ_256K },
-	{ .name		= "Amstrad LDR",
-	  .offset	= 4 * SZ_1M,
-	  .size		= SZ_256K },
-	{ .name		= "File system",
-	  .offset	= 4 * SZ_1M + 1 * SZ_256K,
-	  .size		= 27 * SZ_1M },
-	{ .name		= "PBL reserved",
-	  .offset	= 32 * SZ_1M - 3 * SZ_256K,
-	  .size		=  3 * SZ_256K },
-};
-
-static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte)
-{
-	struct nand_chip *this = mtd_to_nand(mtd);
-	void __iomem *io_base = (void __iomem *)nand_get_controller_data(this);
-
-	writew(0, io_base + OMAP_MPUIO_IO_CNTL);
-	writew(byte, this->IO_ADDR_W);
-	gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NWE, 0);
-	ndelay(40);
-	gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NWE, 1);
-}
-
-static u_char ams_delta_read_byte(struct mtd_info *mtd)
-{
-	u_char res;
-	struct nand_chip *this = mtd_to_nand(mtd);
-	void __iomem *io_base = (void __iomem *)nand_get_controller_data(this);
-
-	gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NRE, 0);
-	ndelay(40);
-	writew(~0, io_base + OMAP_MPUIO_IO_CNTL);
-	res = readw(this->IO_ADDR_R);
-	gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NRE, 1);
-
-	return res;
-}
-
-static void ams_delta_write_buf(struct mtd_info *mtd, const u_char *buf,
-				int len)
-{
-	int i;
-
-	for (i=0; i<len; i++)
-		ams_delta_write_byte(mtd, buf[i]);
-}
-
-static void ams_delta_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-{
-	int i;
-
-	for (i=0; i<len; i++)
-		buf[i] = ams_delta_read_byte(mtd);
-}
-
-/*
- * Command control function
- *
- * ctrl:
- * NAND_NCE: bit 0 -> bit 2
- * NAND_CLE: bit 1 -> bit 7
- * NAND_ALE: bit 2 -> bit 6
- */
-static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd,
-				unsigned int ctrl)
-{
-
-	if (ctrl & NAND_CTRL_CHANGE) {
-		gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_NCE,
-				(ctrl & NAND_NCE) == 0);
-		gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_CLE,
-				(ctrl & NAND_CLE) != 0);
-		gpio_set_value(AMS_DELTA_GPIO_PIN_NAND_ALE,
-				(ctrl & NAND_ALE) != 0);
-	}
-
-	if (cmd != NAND_CMD_NONE)
-		ams_delta_write_byte(mtd, cmd);
-}
-
-static int ams_delta_nand_ready(struct mtd_info *mtd)
-{
-	return gpio_get_value(AMS_DELTA_GPIO_PIN_NAND_RB);
-}
-
-static const struct gpio _mandatory_gpio[] = {
-	{
-		.gpio	= AMS_DELTA_GPIO_PIN_NAND_NCE,
-		.flags	= GPIOF_OUT_INIT_HIGH,
-		.label	= "nand_nce",
-	},
-	{
-		.gpio	= AMS_DELTA_GPIO_PIN_NAND_NRE,
-		.flags	= GPIOF_OUT_INIT_HIGH,
-		.label	= "nand_nre",
-	},
-	{
-		.gpio	= AMS_DELTA_GPIO_PIN_NAND_NWP,
-		.flags	= GPIOF_OUT_INIT_HIGH,
-		.label	= "nand_nwp",
-	},
-	{
-		.gpio	= AMS_DELTA_GPIO_PIN_NAND_NWE,
-		.flags	= GPIOF_OUT_INIT_HIGH,
-		.label	= "nand_nwe",
-	},
-	{
-		.gpio	= AMS_DELTA_GPIO_PIN_NAND_ALE,
-		.flags	= GPIOF_OUT_INIT_LOW,
-		.label	= "nand_ale",
-	},
-	{
-		.gpio	= AMS_DELTA_GPIO_PIN_NAND_CLE,
-		.flags	= GPIOF_OUT_INIT_LOW,
-		.label	= "nand_cle",
-	},
-};
-
-/*
- * Main initialization routine
- */
-static int ams_delta_init(struct platform_device *pdev)
-{
-	struct nand_chip *this;
-	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	void __iomem *io_base;
-	int err = 0;
-
-	if (!res)
-		return -ENXIO;
-
-	/* Allocate memory for MTD device structure and private data */
-	this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL);
-	if (!this) {
-		printk (KERN_WARNING "Unable to allocate E3 NAND MTD device structure.\n");
-		err = -ENOMEM;
-		goto out;
-	}
-
-	ams_delta_mtd = nand_to_mtd(this);
-	ams_delta_mtd->owner = THIS_MODULE;
-
-	/*
-	 * Don't try to request the memory region from here,
-	 * it should have been already requested from the
-	 * gpio-omap driver and requesting it again would fail.
-	 */
-
-	io_base = ioremap(res->start, resource_size(res));
-	if (io_base == NULL) {
-		dev_err(&pdev->dev, "ioremap failed\n");
-		err = -EIO;
-		goto out_free;
-	}
-
-	nand_set_controller_data(this, (void *)io_base);
-
-	/* Set address of NAND IO lines */
-	this->IO_ADDR_R = io_base + OMAP_MPUIO_INPUT_LATCH;
-	this->IO_ADDR_W = io_base + OMAP_MPUIO_OUTPUT;
-	this->read_byte = ams_delta_read_byte;
-	this->write_buf = ams_delta_write_buf;
-	this->read_buf = ams_delta_read_buf;
-	this->cmd_ctrl = ams_delta_hwcontrol;
-	if (gpio_request(AMS_DELTA_GPIO_PIN_NAND_RB, "nand_rdy") == 0) {
-		this->dev_ready = ams_delta_nand_ready;
-	} else {
-		this->dev_ready = NULL;
-		printk(KERN_NOTICE "Couldn't request gpio for Delta NAND ready.\n");
-	}
-	/* 25 us command delay time */
-	this->chip_delay = 30;
-	this->ecc.mode = NAND_ECC_SOFT;
-	this->ecc.algo = NAND_ECC_HAMMING;
-
-	platform_set_drvdata(pdev, io_base);
-
-	/* Set chip enabled, but  */
-	err = gpio_request_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
-	if (err)
-		goto out_gpio;
-
-	/* Scan to find existence of the device */
-	err = nand_scan(ams_delta_mtd, 1);
-	if (err)
-		goto out_mtd;
-
-	/* Register the partitions */
-	mtd_device_register(ams_delta_mtd, partition_info,
-			    ARRAY_SIZE(partition_info));
-
-	goto out;
-
- out_mtd:
-	gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
-out_gpio:
-	gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);
-	iounmap(io_base);
-out_free:
-	kfree(this);
- out:
-	return err;
-}
-
-/*
- * Clean up routine
- */
-static int ams_delta_cleanup(struct platform_device *pdev)
-{
-	void __iomem *io_base = platform_get_drvdata(pdev);
-
-	/* Release resources, unregister device */
-	nand_release(ams_delta_mtd);
-
-	gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
-	gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);
-	iounmap(io_base);
-
-	/* Free the MTD device structure */
-	kfree(mtd_to_nand(ams_delta_mtd));
-
-	return 0;
-}
-
-static struct platform_driver ams_delta_nand_driver = {
-	.probe		= ams_delta_init,
-	.remove		= ams_delta_cleanup,
-	.driver		= {
-		.name	= "ams-delta-nand",
-	},
-};
-
-module_platform_driver(ams_delta_nand_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jonathan McDowell <noodles@earth.li>");
-MODULE_DESCRIPTION("Glue layer for NAND flash on Amstrad E3 (Delta)");