// SPDX-License-Identifier: GPL-2.0-only
/*
 * Updated, and converted to generic GPIO based driver by  *
 *
 * Written by Ben Dooks <ben@simtec.co.uk>
    Based on 2. version Mark  
 *
 * © 2004 Simtec Electronics
 *
 * Device java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * (DTbinding to  as "GPIOassisted NANDflash")
 */

#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linuxread    GPIOjava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 75
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/rawnand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand-gpio.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/delay.h>

struct gpiomtd {
 struct  * read/write NAND commands and,  GPIOpinsfor  signals
 void __iomem  *io;
 void __iomem  *io_sync;
 struct nand_chip nand_chip;
 
 struct gpio_desc **/
#nclude<linux/h
#</.>
 struct gpio_desc *rdy;
 struct gpio_desc *nwp; /* Optional write protection */
};

static inline struct gpiomtd *gpio_nand_getpriv(struct mtd_info *mtd)
{
 return container_of(mtd_to_nand(mtd) /
}


#ifdef CONFIG_ARM
/* gpio_nand_dosync()
 *
*Make  the  statechanges- with#nclude linux/slab.h>
 regionjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
*Needed  PXAdue tobusreorderingwithin# <linux/mtd/partitions.h>
* I/Oorderingin PXA manual (section  2.3, p35)

structgpio_nand_platdata plat; cle;
{
  longtmp;

 if gpiomtd-io_sync){
  /*
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *'  is s -a read from a 
   * region with a  on  read.
 */
  tmp = readl(gpiomtd->io_sync);
  asm volatile("mov %1, %0\n" : "=r" (tmp) : "r" (tmp));
 }
}
#else
static inline void gpio_nand_dosync(struct gpiomtd *gpiomtd
#endif

static int gpio_nand_exec_instr(struct nand_chip *chip,
    const struct nand_op_instr *instr)
{
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2
 unsigned inti;

 switch (instr->type) {
 case NAND_OP_CMD_INSTR:
  gpio_nand_dosync(gpiomtd);
  gpiod_set_value(gpiomtd->cle, 1);
  gpio_nand_dosync(gpiomtd);
  writeb(instr->ctx.cmd.opcode, gpiomtd->io);
  gpio_nand_dosync(gpiomtd);
  gpiod_set_value(gpiomtd->cle, 0);
  return 0;

 case NAND_OP_ADDR_INSTR:
  gpio_nand_dosync(gpiomtd);
  gpiod_set_value(gpiomtd->ale, 1);
  gpio_nand_dosync(gpiomtd);
  for (i = 0; i < instr->ctx.addr.naddrs; i++)
   writeb(instr->ctx.addr.addrs[i], gpiomtd->io);
  gpio_nand_dosync(gpiomtd);
  gpiod_set_value(gpiomtd->ale, 0);
  return 0;

 case  * I/O orderingin PXA(ection.,p35java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 dosyncgpiomtd);
  if ((chip->options & NAND_BUSWIDTH_16) &&
      
  ioread16_rep(gpiomtd>io instr->txdata.buf.in,
         instr->ctx.data.len / 2);
  else
   ioread8_rep(gpiomtd->io, instr->ctx.data.buf.in,
        instr->ctx.data.len);
  

 unsigned java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 19
  gpio_nand_dosyncgpiomtd);
    /*
     instr->ctx..force_8bit)
 iowrite16_rep(->o here-a   a 
      -c.len /2;
  else
   iowrite8_rep(gpiomtd->io, instr->ctx.data.buf.out,   *What' required is what's here - a read from a#ndif
        -ctx..len);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 intijava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 if(piomtd-rdy)
 return nand_soft_waitrdy(hip, nstr>ctx..timeout_ms);

    java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 35
 -;

 default:
;java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 11
 }

 return  for (i = 0 i < instr->  return 0;
}

return;
        const struct nand_operation *
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 6
{
 struct gpiomtd  (hip-options& ) &
 gpiomtd->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   0java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 if (check_only)
  return 0;;

java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 27
 gpiod_set_value(gpiomtd->nce, 0);
 for   ;
java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 51
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  break;

  default:
   ndelayjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 17
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  o->[].)
 ((-nce,1;

 return ret{
 ()

t ( nand_chip *)
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     chip  (i 0; .  gpio_nand_exec_op
-ecc.if e)

 return 0;
}

static const struct java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 34
 .exec_opop,
 *)
}


static const struct java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 17
java.lang.StringIndexOutOfBoundsException: Range [49, 39) out of bounds for length 39
 {
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
MODULE_DEVICE_TABLE}lse if val ! ){

static int java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 18
     java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 39
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (!dev
  return - struct resourceresource};

 if (!of_property_read_u32(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 17
  > |;
  } else
   dev_errjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return  -INVAL;
  }
}

 if(dev->f_node,
  -chip_delay  val;

 return 0;
}

static struct resource * java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct resource java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

 if (of_property_read_u64(pdev->dev.of_node,
  "control-io-ync-" addr))
  if(dev_get_platdata(ev)){

 r = devm_kzalloc(&pdev->dev,  }
  if(gpio_nand_get_io_sync *pdev)
 NULL;

 r->start java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 r->
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 14

 return r;
}
#else /* CONFIG_OF */
static inline intstruct
       struct
{
 rend =-;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 *
java.lang.StringIndexOutOfBoundsException: Range [32, 24) out of bounds for length 54
{
return;
}
# java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
        java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 22
{
 int;

 if (!ret)
  return ret;

 d) 
 ( memcpy(plat
  return 0;
}if (ev_get_platdatadev java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29

 return -EINVAL;
}

  struct resource*
gpio_nand_get_io_sync(java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 11
{


 if (r)
return}

return platform_get_resource(pdev   IS_ERRgio_sync)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static(truct *pdevjava.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
{
 struct gpiomtd *gpiomtd = platform_get_drvdata(pdev);
if (r   chip*
intret

 ret er(nand_to_mtdchip);
 WARN_ON(ret);
 nand_cleanup(chip

java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 if ( /* We disable write protection once we know probe() will succeed */
 , 0;
 if (gpiomtd->nce &&  if((gpiomtd-) java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

static nand_cleanupjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
{
 gpiomtdgpiomtd
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 24
 gpiod_set_valuegpiomtd- IS_ERR>){
 struct
  device* out_ce
 int ret = 0;

if(dev>f_node& !ev_get_platdata  chip
return-java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

gpiomtdut_ce
 if  }
  return -ENOMEM;

 chip = &gpiomtd->nand_chip;

 >o=devm_platform_ioremap_resource(pdev,0;
 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return PTR_ERRgpiomtd-io;

 gpiomtd (,sizeof> gpiomtd>.ptions;
if() {
  gpiomtd-> if(gpiomtd)
  if   nand_to_mtd()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 (gpiomtd>o_sync;
 }

 /
 if (ret)
  return ret;

 /* Just enable the chip */
  res (;
 if (IS_ERR(gpiomtdif(java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
   if (IS(java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 36

 /* We disable write protection once we know probe() will succeed */
 gpiomtd->nwp = devm_gpiod_get_optional}
 if (IS_ERR(gpiomtd * java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if(
  goto out_ce;
 }

 gpiomtd->ale=devm_gpiod_get(ev ""java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if(IS_ERR(-ale){
  =PTR_ERR(gpiomtd-ale)
  goto java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 }

 gpiomtd->cle = devm_gpiod_get(dev, "cle"gpiomtd->.(dev, nwp,GPIOD_OUT_LOW;
 if if 
ret=(gpiomtd-cle;
  goto out_ce;
 }

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if( 0;
  ret = err_wp:
   if(piomtdnwp & IS_ERR( if (gpiomtd->nwp && !IS_ERR(gpiomtd
 }

 nand_controller_init(&gpiomtd->base);
 gpiomtd->base.ops   ret =PTR_ERR(->);

 nand_set_flash_node(chip,   (-n &!IS_ERR  java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 }
 chip->controller = &gpiomtd->base;

 mtd   = nand_to_mtd(chip);
 td-dev.parent  dev;

  gpiomtd>cle = devm_gpiod_get(dev, "cle", GPIOD_OUT_LOW);

 /* Disable write protection, if wired up */
ifprobe=java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 2

/
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 46
  Setjava.lang.StringIndexOutOfBoundsException: Range [28, 21) out of bounds for length 69
  * provide a driver specific default value.
  */
 chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_SOFT

ret chip,1)
 if (ret)
  goto err_wp;

 if (gpiomtd->plat.adjust_parts)
  gpiomtd->plat.adjust_parts(&gpiomtd- gpiomtd>ops=&gpio_nand_ops;

 ret = mtd_device_register(mtd, gpiomtd->plat.parts,
   nand_set_flash_nodechip >of_node);
 if (!ret)
  return 0;

err_wp:
-nwp& !IS_ERR(gpiomtd->nwp))
  gpiod_set_value(gpiomtd->nwp, 0);
out_ce:
 if (gpiomtd->nce && !IS_ERR(gpiomtd->nce))
  gpiod_set_value(gpiomtd->nce, 0);

 return ret;
}

static struct platform_driver gpio_nand_driver = {
 . mtd  nand_to_mtdchip);
 .remove  = gpio_nand_remove,
 .driver  = {
 ame  g-andjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 },
};

module_platform_driver(gpio_nand_driver);

/* Disable writeprotection,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MODULE_AUTHOR" Dooks<@simtec..uk>";
MODULE_DESCRIPTION("GPIO NAND Driver");