mtd: remove the h1910 NAND driver
This driver is marked as broken for 2 years, and no one cares to make it compile and work. Now it is time to zap it. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
parent
3e6f9aff77
commit
c188a14167
3 changed files with 0 additions and 174 deletions
|
@ -73,12 +73,6 @@ config MTD_NAND_DENALI_SCRATCH_REG_ADDR
|
||||||
scratch register here to enable this feature. On Intel Moorestown
|
scratch register here to enable this feature. On Intel Moorestown
|
||||||
boards, the scratch register is at 0xFF108018.
|
boards, the scratch register is at 0xFF108018.
|
||||||
|
|
||||||
config MTD_NAND_H1900
|
|
||||||
tristate "iPAQ H1900 flash"
|
|
||||||
depends on ARCH_PXA && BROKEN
|
|
||||||
help
|
|
||||||
This enables the driver for the iPAQ h1900 flash.
|
|
||||||
|
|
||||||
config MTD_NAND_GPIO
|
config MTD_NAND_GPIO
|
||||||
tristate "GPIO NAND Flash driver"
|
tristate "GPIO NAND Flash driver"
|
||||||
depends on GENERIC_GPIO && ARM
|
depends on GENERIC_GPIO && ARM
|
||||||
|
|
|
@ -20,7 +20,6 @@ obj-$(CONFIG_MTD_NAND_DAVINCI) += davinci_nand.o
|
||||||
obj-$(CONFIG_MTD_NAND_DISKONCHIP) += diskonchip.o
|
obj-$(CONFIG_MTD_NAND_DISKONCHIP) += diskonchip.o
|
||||||
obj-$(CONFIG_MTD_NAND_DOCG4) += docg4.o
|
obj-$(CONFIG_MTD_NAND_DOCG4) += docg4.o
|
||||||
obj-$(CONFIG_MTD_NAND_FSMC) += fsmc_nand.o
|
obj-$(CONFIG_MTD_NAND_FSMC) += fsmc_nand.o
|
||||||
obj-$(CONFIG_MTD_NAND_H1900) += h1910.o
|
|
||||||
obj-$(CONFIG_MTD_NAND_SHARPSL) += sharpsl.o
|
obj-$(CONFIG_MTD_NAND_SHARPSL) += sharpsl.o
|
||||||
obj-$(CONFIG_MTD_NAND_NANDSIM) += nandsim.o
|
obj-$(CONFIG_MTD_NAND_NANDSIM) += nandsim.o
|
||||||
obj-$(CONFIG_MTD_NAND_CS553X) += cs553x_nand.o
|
obj-$(CONFIG_MTD_NAND_CS553X) += cs553x_nand.o
|
||||||
|
|
|
@ -1,167 +0,0 @@
|
||||||
/*
|
|
||||||
* drivers/mtd/nand/h1910.c
|
|
||||||
*
|
|
||||||
* Copyright (C) 2003 Joshua Wise (joshua@joshuawise.com)
|
|
||||||
*
|
|
||||||
* Derived from drivers/mtd/nand/edb7312.c
|
|
||||||
* Copyright (C) 2002 Marius Gröger (mag@sysgo.de)
|
|
||||||
* 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
|
|
||||||
* iPAQ h1910 board which utilizes the Samsung K9F2808 part. This is
|
|
||||||
* a 128Mibit (16MiB x 8 bits) NAND flash device.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <linux/slab.h>
|
|
||||||
#include <linux/init.h>
|
|
||||||
#include <linux/module.h>
|
|
||||||
#include <linux/mtd/mtd.h>
|
|
||||||
#include <linux/mtd/nand.h>
|
|
||||||
#include <linux/mtd/partitions.h>
|
|
||||||
#include <asm/io.h>
|
|
||||||
#include <mach/hardware.h>
|
|
||||||
#include <asm/sizes.h>
|
|
||||||
#include <mach/h1900-gpio.h>
|
|
||||||
#include <mach/ipaq.h>
|
|
||||||
|
|
||||||
/*
|
|
||||||
* MTD structure for EDB7312 board
|
|
||||||
*/
|
|
||||||
static struct mtd_info *h1910_nand_mtd = NULL;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Module stuff
|
|
||||||
*/
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Define static partitions for flash device
|
|
||||||
*/
|
|
||||||
static struct mtd_partition partition_info[] = {
|
|
||||||
{name:"h1910 NAND Flash",
|
|
||||||
offset:0,
|
|
||||||
size:16 * 1024 * 1024}
|
|
||||||
};
|
|
||||||
|
|
||||||
#define NUM_PARTITIONS 1
|
|
||||||
|
|
||||||
/*
|
|
||||||
* hardware specific access to control-lines
|
|
||||||
*
|
|
||||||
* NAND_NCE: bit 0 - don't care
|
|
||||||
* NAND_CLE: bit 1 - address bit 2
|
|
||||||
* NAND_ALE: bit 2 - address bit 3
|
|
||||||
*/
|
|
||||||
static void h1910_hwcontrol(struct mtd_info *mtd, int cmd,
|
|
||||||
unsigned int ctrl)
|
|
||||||
{
|
|
||||||
struct nand_chip *chip = mtd->priv;
|
|
||||||
|
|
||||||
if (cmd != NAND_CMD_NONE)
|
|
||||||
writeb(cmd, chip->IO_ADDR_W | ((ctrl & 0x6) << 1));
|
|
||||||
}
|
|
||||||
|
|
||||||
/*
|
|
||||||
* read device ready pin
|
|
||||||
*/
|
|
||||||
#if 0
|
|
||||||
static int h1910_device_ready(struct mtd_info *mtd)
|
|
||||||
{
|
|
||||||
return (GPLR(55) & GPIO_bit(55));
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Main initialization routine
|
|
||||||
*/
|
|
||||||
static int __init h1910_init(void)
|
|
||||||
{
|
|
||||||
struct nand_chip *this;
|
|
||||||
void __iomem *nandaddr;
|
|
||||||
|
|
||||||
if (!machine_is_h1900())
|
|
||||||
return -ENODEV;
|
|
||||||
|
|
||||||
nandaddr = ioremap(0x08000000, 0x1000);
|
|
||||||
if (!nandaddr) {
|
|
||||||
printk("Failed to ioremap nand flash.\n");
|
|
||||||
return -ENOMEM;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Allocate memory for MTD device structure and private data */
|
|
||||||
h1910_nand_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
|
|
||||||
if (!h1910_nand_mtd) {
|
|
||||||
printk("Unable to allocate h1910 NAND MTD device structure.\n");
|
|
||||||
iounmap((void *)nandaddr);
|
|
||||||
return -ENOMEM;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Get pointer to private data */
|
|
||||||
this = (struct nand_chip *)(&h1910_nand_mtd[1]);
|
|
||||||
|
|
||||||
/* Initialize structures */
|
|
||||||
memset(h1910_nand_mtd, 0, sizeof(struct mtd_info));
|
|
||||||
memset(this, 0, sizeof(struct nand_chip));
|
|
||||||
|
|
||||||
/* Link the private data with the MTD structure */
|
|
||||||
h1910_nand_mtd->priv = this;
|
|
||||||
h1910_nand_mtd->owner = THIS_MODULE;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Enable VPEN
|
|
||||||
*/
|
|
||||||
GPSR(37) = GPIO_bit(37);
|
|
||||||
|
|
||||||
/* insert callbacks */
|
|
||||||
this->IO_ADDR_R = nandaddr;
|
|
||||||
this->IO_ADDR_W = nandaddr;
|
|
||||||
this->cmd_ctrl = h1910_hwcontrol;
|
|
||||||
this->dev_ready = NULL; /* unknown whether that was correct or not so we will just do it like this */
|
|
||||||
/* 15 us command delay time */
|
|
||||||
this->chip_delay = 50;
|
|
||||||
this->ecc.mode = NAND_ECC_SOFT;
|
|
||||||
|
|
||||||
/* Scan to find existence of the device */
|
|
||||||
if (nand_scan(h1910_nand_mtd, 1)) {
|
|
||||||
printk(KERN_NOTICE "No NAND device - returning -ENXIO\n");
|
|
||||||
kfree(h1910_nand_mtd);
|
|
||||||
iounmap((void *)nandaddr);
|
|
||||||
return -ENXIO;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Register the partitions */
|
|
||||||
mtd_device_parse_register(h1910_nand_mtd, NULL, NULL, partition_info,
|
|
||||||
NUM_PARTITIONS);
|
|
||||||
|
|
||||||
/* Return happy */
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
module_init(h1910_init);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Clean up routine
|
|
||||||
*/
|
|
||||||
static void __exit h1910_cleanup(void)
|
|
||||||
{
|
|
||||||
struct nand_chip *this = (struct nand_chip *)&h1910_nand_mtd[1];
|
|
||||||
|
|
||||||
/* Release resources, unregister device */
|
|
||||||
nand_release(h1910_nand_mtd);
|
|
||||||
|
|
||||||
/* Release io resource */
|
|
||||||
iounmap((void *)this->IO_ADDR_W);
|
|
||||||
|
|
||||||
/* Free the MTD device structure */
|
|
||||||
kfree(h1910_nand_mtd);
|
|
||||||
}
|
|
||||||
|
|
||||||
module_exit(h1910_cleanup);
|
|
||||||
|
|
||||||
MODULE_LICENSE("GPL");
|
|
||||||
MODULE_AUTHOR("Joshua Wise <joshua at joshuawise dot com>");
|
|
||||||
MODULE_DESCRIPTION("NAND flash driver for iPAQ h1910");
|
|
Loading…
Add table
Reference in a new issue