mtd: nand: drop edb7312 support

EDB7312 isn't supported by mainline kernel, so drop it now.
If the board support will ever be submitted to mainline,
one can revert this commit.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 4c3425235adc573edbbd2a77ee6efc661c81f75b..17235d0977749311b50b4c5eeb612728338c0095 100644 (file)
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -83,13 +83,6 @@ config MTD_NAND_DENALI_SCRATCH_REG_ADDR
           scratch register here to enable this feature. On Intel Moorestown
           boards, the scratch register is at 0xFF108018.
 
-config MTD_NAND_EDB7312
-       tristate "Support for Cirrus Logic EBD7312 evaluation board"
-       depends on ARCH_EDB7312
-       help
-         This enables the driver for the Cirrus Logic EBD7312 evaluation
-         board to access the onboard NAND Flash.
-
 config MTD_NAND_H1900
        tristate "iPAQ H1900 flash"
        depends on ARCH_PXA

diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 5745d831168e4e6f581deb1e12bb3a5b77f456fd..c9334e9af9125ef9695095c104774962ab67e5c8 100644 (file)
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_MTD_NAND_SPIA)           += spia.o
 obj-$(CONFIG_MTD_NAND_AMS_DELTA)       += ams-delta.o
 obj-$(CONFIG_MTD_NAND_AUTCPU12)                += autcpu12.o
 obj-$(CONFIG_MTD_NAND_DENALI)          += denali.o
-obj-$(CONFIG_MTD_NAND_EDB7312)         += edb7312.o
 obj-$(CONFIG_MTD_NAND_AU1550)          += au1550nd.o
 obj-$(CONFIG_MTD_NAND_BF5XX)           += bf5xx_nand.o
 obj-$(CONFIG_MTD_NAND_PPCHAMELEONEVB)  += ppchameleonevb.o

diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
deleted file mode 100644 (file)
index 0b1bb91..0000000
--- a/drivers/mtd/nand/edb7312.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- *  drivers/mtd/nand/edb7312.c
- *
- *  Copyright (C) 2002 Marius Gröger (mag@sysgo.de)
- *
- *  Derived from drivers/mtd/nand/autcpu12.c
- *       Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
- *
- * 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
- *   CLEP7312 board which utilizes the Toshiba TC58V64AFT part. This is
- *   a 64Mibit (8MiB x 8 bits) NAND flash device.
- */
-
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
-#include <asm/io.h>
-#include <mach/hardware.h>     /* for CLPS7111_VIRT_BASE */
-#include <asm/sizes.h>
-#include <asm/hardware/clps7111.h>
-
-/*
- * MTD structure for EDB7312 board
- */
-static struct mtd_info *ep7312_mtd = NULL;
-
-/*
- * Values specific to the EDB7312 board (used with EP7312 processor)
- */
-#define EP7312_FIO_PBASE 0x10000000    /* Phys address of flash */
-#define EP7312_PXDR    0x0001  /*
-                                * IO offset to Port B data register
-                                * where the CLE, ALE and NCE pins
-                                * are wired to.
-                                */
-#define EP7312_PXDDR   0x0041  /*
-                                * IO offset to Port B data direction
-                                * register so we can control the IO
-                                * lines.
-                                */
-
-/*
- * Module stuff
- */
-
-static unsigned long ep7312_fio_pbase = EP7312_FIO_PBASE;
-static void __iomem *ep7312_pxdr = (void __iomem *)EP7312_PXDR;
-static void __iomem *ep7312_pxddr = (void __iomem *)EP7312_PXDDR;
-
-/*
- * Define static partitions for flash device
- */
-static struct mtd_partition partition_info[] = {
-       {.name = "EP7312 Nand Flash",
-        .offset = 0,
-        .size = 8 * 1024 * 1024}
-};
-
-#define NUM_PARTITIONS 1
-
-/*
- *     hardware specific access to control-lines
- *
- *     NAND_NCE: bit 0 -> bit 6 (bit 7 = 1)
- *     NAND_CLE: bit 1 -> bit 4
- *     NAND_ALE: bit 2 -> bit 5
- */
-static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
-{
-       struct nand_chip *chip = mtd->priv;
-
-       if (ctrl & NAND_CTRL_CHANGE) {
-               unsigned char bits = 0x80;
-
-               bits |= (ctrl & (NAND_CLE | NAND_ALE)) << 3;
-               bits |= (ctrl & NAND_NCE) ? 0x00 : 0x40;
-
-               clps_writeb((clps_readb(ep7312_pxdr)  & 0xF0) | bits,
-                           ep7312_pxdr);
-       }
-       if (cmd != NAND_CMD_NONE)
-               writeb(cmd, chip->IO_ADDR_W);
-}
-
-/*
- *     read device ready pin
- */
-static int ep7312_device_ready(struct mtd_info *mtd)
-{
-       return 1;
-}
-
-/*
- * Main initialization routine
- */
-static int __init ep7312_init(void)
-{
-       struct nand_chip *this;
-       void __iomem *ep7312_fio_base;
-
-       /* Allocate memory for MTD device structure and private data */
-       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 address */
-       ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K);
-       if (!ep7312_fio_base) {
-               printk("ioremap EDB7312 NAND flash failed\n");
-               kfree(ep7312_mtd);
-               return -EIO;
-       }
-
-       /* Get pointer to private data */
-       this = (struct nand_chip *)(&ep7312_mtd[1]);
-
-       /* Initialize structures */
-       memset(ep7312_mtd, 0, sizeof(struct mtd_info));
-       memset(this, 0, sizeof(struct nand_chip));
-
-       /* Link the private data with the MTD structure */
-       ep7312_mtd->priv = this;
-       ep7312_mtd->owner = THIS_MODULE;
-
-       /*
-        * 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;
-       this->cmd_ctrl = ep7312_hwcontrol;
-       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;
-       }
-       ep7312_mtd->name = "edb7312-nand";
-
-       /* Register the partitions */
-       mtd_device_register(ep7312_mtd, NULL, 0,
-                       partition_info, NUM_PARTITIONS);
-
-       /* Return happy */
-       return 0;
-}
-
-module_init(ep7312_init);
-
-/*
- * Clean up routine
- */
-static void __exit ep7312_cleanup(void)
-{
-       struct nand_chip *this = (struct nand_chip *)&ep7312_mtd[1];
-
-       /* Release resources, unregister device */
-       nand_release(ap7312_mtd);
-
-       /* Release io resource */
-       iounmap(this->IO_ADDR_R);
-
-       /* Free the MTD device structure */
-       kfree(ep7312_mtd);
-}
-
-module_exit(ep7312_cleanup);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Marius Groeger <mag@sysgo.de>");
-MODULE_DESCRIPTION("MTD map driver for Cogent EDB7312 board");