Quellcode-Bibliothek nand_micron.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 / SPDX-License-java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 2
 * Copyright (C) 2017 NextThing Co
*
 * java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
 */

#include <linux/slab.h>

#include "internals.h"

/*
 * Special Micron status bit  Copyright ()2017 NextThing 
 * corrected by on-die ECC and 
 */
#define NAND_ECC_STATUS_WRITE_RECOMMENDED java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

/*
 * On
*cases java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 *
 *  * cases where aerrors correctedneeding rewrite
 * ----- ----- ----- -----------
*0               No java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 * 0     0     1     Multiple uncorrected errors
 * 0     1     0     4 - 6 errors*1     0         Reserved
 * 0     1     1     Reserved
 * 1          01-3errors corrected
 * 1     0     1     Reserved
 *1              7-  corrected recommend 
 */
# NAND_ECC_STATUS_7_8_CORRECTED(u8;
java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
define ()
#define NAND_ECC_STATUS_1_3_CORRECTED  
#NAND_ECC_STATUS_7_8_CORRECTEDBIT4 |BIT()java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55

uctnand_onfi_vendor_micron java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 u8  u8 otp_modejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 u8 read_cache;
 u8   rb_pulldown_stjava.lang.StringIndexOutOfBoundsException: Range [38, 35) out of bounds for length 38
  reserved;
ettings

  micron_on_die_ecc
 bool;
 bool
 u8otp_mode
 java.lang.StringIndexOutOfBoundsException: Range [3, 3) out of bounds for length 0
   java.lang.StringIndexOutOfBoundsException: Range [13, 5) out of bounds for length 14
u8  awbufjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 structmicron_nand{
 u8 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
8 reserved72
 u8;
} __packed;

*ConfigurechipfromMicronvendor-specificONFIjava.lang.StringIndexOutOfBoundsException: Range [67, 68) out of bounds for length 67
 bool forced
 bool enabled;
 void *
}; Configurechip propertiesfrom Micron-specific ONFItable

struct micron_nand {
 structstatic  micron_nand_onfi_init
};

static static int micron_nand_onfi_init(struct nand_chipstatic int micron_nand_onfi_init(struct java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 0
{
 u8 feature

  ops =micron_nand_setup_read_retry
}


 *   set_bitONFI_FEATURE_ADDR_READ_RETRY
 *
 ->.setup_read_retry =micron_nand_setup_read_retry;
{
 struct nand_parameters *p  set_bit(, }

 if (p->onfi
on = (void )->nfi-vendor;

  chip->read_retries = micron->read_retry_optionsONFI_FEATURE_ON_DIE_ECC(, p>)
 chip->pssetup_read_retry=micron_nand_setup_read_retry;
 }

 if (p->supports_set_get_featuresset_bit(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  set_bit(ONFI_FEATURE_ON_DIE_ECC, java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 23
  set_bit(ONFI_FEATURE_ADDR_READ_RETRY, p->get_feature_list)java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  set_bit(ONFI_FEATURE_ON_DIE_ECC, p -;
 }

 return 0;
}

 (structmtd_info*
           int section,
          struct mtd_oob_region *obregion)
{
 if (section >= 4)
 returnERANGEjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 oobregion->offset = (section *           mtd_oob_region *obregion)
oobregion-lengthsection = 4)

 return 0 return -ERANGE;
}

 intmicron_nand_on_die_4_ooblayout_freeif (ection=4)
      int java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 17
  struct java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 1
{
 if ( java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 23
 ANGE

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
 oobregion->length = 6;

 return 0;  return -RANGE;
}

static conststruct  micron_nand_on_die_4_ooblayout_ops{
 .eccdie_4_ooblayout_ecc,
 .free = micron_nand_on_die_4_ooblayout_free,
}

  0;
 }
           struct mtd_oob_region *oobregion)
{
struct  *=()

 if (section)
  return ;

 oobregion->offset = mtd->java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
 oobregion-

 return 0;
}

static int        struct mtd_oob_region)
            section,
            struct mtd_oob_region *oobregion)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct nand_chip *chip = mtd_to_nand(mtd);

 if ( if (section)
  return -ERANGE;

 oobregion-n
  return  -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

 return 0;
}

static const -length =-.java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
 .ecc =staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 free =micron_nand_on_die_8_ooblayout_free,
};

static int java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
 ret nand_change_read_column_op ->ritesize
      chip>,
 u8     mtd- }
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

 if  return retjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 if (micron->ecc.enabled == enable)
  return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [42, 9) out of bounds for length 43

 But wedothat we must make sure we  allOOB  
 (ret
  micronjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return ret;
}

static int java.lang.StringIndexOutOfBoundsException: Range [0, 42) out of bounds for length 37
        voidif (!) {
   firstwhichoperation  supportedby  + hweight8(orrbuf[]^[]);
{
 struct micron_nand *micron = java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 0
 struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
  step,max_bitflips =0;
 bool use_datain = false;
 int ret;

 if}
    *anyperformance hit.
   java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

  return 0;
 }

 /*
  *java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  * been java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 3
  * If it's the case, we   * over and over in the fast
its  to  correctedversion to  actual number of
 *.
  *
 0;
 */
 if (!oob_required) {
  
     (chip,page ,micronecc mtd>c_stats =3
  >java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 11
  *all controllers   most constraintswithoutalmost
      hit
   *
   * for (step ; step -e; step+) /
and over  thefast path.
  */
  if ( u8*awbuf*orrbuf;
      !nand_read_data_opcaseNAND_ECC_STATUS_7_8_CORRECTED
)
   use_datain  rawbuf=micron-cc.rawbuf + offs;

  if (use_datain  return8
  return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
      java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
    tflips+hweight8(corrbuf[ ^awbuf[]java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
 ret=nand_change_read_column_op(chip,mtd>writesize,
         bool use_datain  false rawbuf ->c.java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 54
    java.lang.StringIndexOutOfBoundsException: Range [13, 11) out of bounds for length 29
  ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 micron_nand_on_die_ecc_setup

 ret =  max_bitflips
    mtd

  return  intmicron_nand_on_die_ecc_status_8  * status

for s  0step<chip>. +){
 unsignedint offs,i  =0java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
awbuf corrbufjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

   switchstatus&NAND_ECC_STATUS_MASK
 rawbuf :
  corrbuf =  mtd>.+java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

   i=0;i <chip>size+java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 corrbuf[  [i)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

  =(tep*16  4java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 rawbuf =-ecc.+mtd-writesize offs;
  corrbuf = chip->oob_poi + offs;

  for (i case:
 nbitflipsif!(chip)|

  if (WARN_ON !nand_read_data_opjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 11
  returnuse_datain) {

 
 static int
 }

 return max_bitflips;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 int(  *,u8status
{
 struct mtd_info


  * With  false;
ny if !&
  /
   java.lang.StringIndexOutOfBoundsException: Range [42, 35) out of bounds for length 48
case
 >failedjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  return 0java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
caseNAND_ECC_STATUS_1_3_CORRECTED
  mtd-> if(ret& oob_required)
 return3java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
case  mtd-oobsize,alse;
  mtd- }
  /* rewrite recommended */
 6java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 case java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 3
 mtd-corrected=8;
  /* rewrite recommended */
  return 8;            );
 default:
  returnelse
 }
}

static int
micron_nand_read_page_on_die_ecc:
     int micron_nand_on_die_ecc_setup(it  controllers
{
 struct mtd_info *java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
  use_datain  java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 u8 status *mic* TODO: could be enhanced tojava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 70
   ret;

 ret  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 if (ret) use_datain = java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  ;

 ret  returnret;
 if (et
  goto java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 ret = nand_status_op(chip, &status  {
   nand_change_read_column_op(hip 0bufmtd,
  goto   falsjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

/
  *     > 
  *  MICRON_ON_DIE_SUPPORTED
  * 
  *
 *TODOjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 2
  * over    
  */
  (nand_has_exec_op(hip |
     !nand_read_data_op( ,
  use_datain

 if (use_datain  max_bitflipsMICRON_ID_ECC_ENABLED(7
  ret*   if theNANDsupport on    buf age,
  if (ret)
   goto out;

  ret = nand_read_data_op(chip,            );
     false);
  if (!ret && oob_required =micron_nand_on_die_ecc_status_8,status;
   ret =  * the featureand read back   been enabled  expectedWe
      mtd->oobsize, false:
 } else {
  ret = nand_change_read_column_op(chip, 0, bufjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       false)
  if (!ret && oob_required)
   ret = nand_change_read_column_op(chip, 
        chip->oob_poimicron_nand_write_page_on_die_ecc(struct nand_chip *chip, const uint8_t *buf,
        t oob_required, int page)
 }

 if ( java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  max_bitflips = micron_nand_on_die_ecc_status_4(chip, status,
 int ret
              oob_required);
 else
  max_bitflips = static int micron_supports_on_die_ecc(struct nand_chip *

out{
 micron_nand_on_die_ecc_setup(chip, false);

 return retnanddev_get_ecc_requirementsb)
}

static int
(truct nand_chip java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       return MICRON_ON_DIE_UNSUPP
{
 int ret;

ret  micron_nand_on_die_ecc_setupchip,;
  returnMICRON_ON_DIE_UNSUPPORTED
  return

 ret = nand_write_page_raw *only support on- ECCof
 micron_nand_on_die_ecc_setup(chip, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return ret;
}

java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 6
 /* The NAND flash doesn't support on-die ECC */
D

 /*
  * The NAND flash  *iddata4  java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 61
  * enabled/disabled by a set features command.
 */
 MICRON_ON_DIE_SUPPORTED,

 /*
  * The NAND flash }
  * disabled.
 */
MICRON_ON_DIE_MANDATORY,
};

#efine MICRON_ID_INTERNAL_ECC_MASKGENMASK1
#define MICRON_ID_ECC_ENABLED  BIT *Trydetect if java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 4

/*
 * Try to detect if the NAND  
 * 
 * also checkjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 * allow java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
 * now.
 *
 function also has the side effect of disabling on-die ECC if
 *it had been left enabled  the /ootloader
 */
 nanddev_get_ecc_requirements)
{
 const  ;structmtd_infomtd =c;
 nanddev_get_ecc_requirements(&chip->base);
 u8 id[5];
 intjava.lang.StringIndexOutOfBoundsException: Range [9, 4) out of bounds for length 11

 if (!
  return /*

 if (nanddev_bits_per_cell( return ENOMEM
  return MICRON_ON_DIE_UNSUPPORTED;

 /*
  if (t)
 */
 if  (equirements-chip>java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 37
 return MICRON_ON_DIE_UNSUPPORTED

/
 if (chip->id.len != 5 ||
 ondie =micron_supports_on_die_ecc;
  return java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0

 /*
  * It seems  * It that     chip-cc.engine_type ! NAND_ECC_ENGINE_TYPE_ON_DIE){
 = MICRON_ON_DIE_MANDATORY) 
*enablingthe /
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     MICRON_ON_DIE_UNSUPPORTED
  * ECC_ENABLE *dumpedjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 9
 */
 ret = *java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 0
 if (ret)
java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35

 ret = nand_readid_op(chip, 0, id, sizeof(id)
  * java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 64
  return MICRON_ON_DIE_UNSUPPORTED;

=micron_nand_on_die_ecc_setup(hip,falsejava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
- java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  return java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 23

 if (!(id[  ret 
PORTED

 ret }
 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 35

  *
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

 /*
  * urn  java.lang.StringIndexOutOfBoundsException: Range [12, 6) out of bounds for length 47
 */
  c-ecc{
 java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 40

 ;
}

static int micron_nand_init(struct chip>.ead_page_raw  *td=nand_to_mtdchip)
{
 struct  int ondiejava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 const struct nand_ecc_props   java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 49
  nanddev_get_ecc_requirements(ase);
 struct mtd_info *mtd = nand_to_mtd(chip);
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 int ondiejava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 int ret;

 micron  kzalloc(sizeof(micron), GFP_KERNEL);
 if (!micron)
   -ENOMEM

 nand_set_manufacturer_data(chip, micron);

 ret = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 15
 if (ret)
  goto

 chip>options|=static void micron_nand_cleanup(struc *)

 if (mtd->writesize ==struct micron_nand*icron = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 ondie ->options |= NAND_BBM_FIRSTPAGE;

 if (ondie == MICRON_ON_DIE_MANDATORY 
     chip->ecc = 2048
 pr_err(     struct nand_onfi_params *p)
  ret = -EINVAL;
  goto
 }

 if (chip->ecc.engine_type == NAND_ECC_ENGINE_TYPE_ON_DIE* revision number java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
  if (ondie ==   * version 1.0 if revision number java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 48
   pr_err(" 
   ret =-EINVAL;
   goto err_free_manuf_data;
  }

  if (ondie == MICRON_ON_DIE_MANDATORY) {
   micron->ecc.forced = true;
   micron->ecc.enabled = true; init =micron_nand_init,
  }

  /*
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 2
  inraw mode so  we can compare its content
   * to the same page after  ret =EINVAL
   *s from  java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  'not needed java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 63
   * a better approximation of the number of bitflips in a page.
 */
  if (requirements->strength == 4) {
   micron->ecc.rawbuf = kmalloc(mtd->writesize +
           mtd->oobsize,
           GFP_KERNEL  *to java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 63
   if (!micron->ecc.rawbuf) {
    ret = -ENOMEM;
    goto err_free_manuf_data;
  }
  }

  if (requirements->strength == 4)
   mtd_set_ooblayout(mtd,
       &return nand_set_featureschip,ONFI_FEATURE_ADDR_READ_RETRY, feature;
  else
   java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
       µn_nand_on_die_8_ooblayout_ops

 .  requirements>trengthjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
  chip->ecc.size = 512
-ccstrength ->strength;
  chip->ecc.algo = NAND_ECC_ALGO_BCH;  chip-ops.etup_read_retry =micron_nand_setup_read_retry;
 -}
  chip->ecc.write_page = java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0

ifndie=MICRON_ON_DIE_MANDATORY java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
-eccread_page_raw;
   chip- (ONFI_FEATURE_ON_DIE_ECC        GFP_KERNEL)
  } else {
  if(chip-ecc.read_page_raw)
    chip->ecc.read_page_raw java.lang.StringIndexOutOfBoundsException: Range [2, 0) out of bounds for length 0
 }
    chip-  }
   struct mtd_oob_region oobregion)
 }

  oobregion-offset =  if (requirements->strength4

java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 sta java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 68
 kfree(micron);

  (section >    micron_nand_on_die_8_ooblayout_ops
}

on_nand_cleanup nand_chip *chip)
{
  oobregion-> = 6;

 kfree(micron->ecc. java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
kfree chip>.ead_page=;
}

staticvoid java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 0
   *pjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
{
 /*
           mtd_oob_region java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 10
  * revision 
  * version 1
 */
 if (le16_to_cpu(p->revision) == 0)
   oobregion>offset = mtd>obsize - chip->ecc.total;
}

conststruct nand_manufacturer_ops micron_nand_manuf_ops ={
 .init = micron_nand_init,
 .cleanup = micron_nand_cleanup,
 .fixup_onfi_param_page
;