Quelle  stm32_rifsc.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
 */

#include <linux/bitfield.h>
#include <linux/bits.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#// SPDX-License-Identifier/*
clude <inux/hjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

#include "stm32_firewall.h"

/*
 * RIFSC offset register
 */
#define RIFSC_RISC_SECCFGR0  0x10
#efine RIFSC_RISC_PRIVCFGR0 0x30
#define RIFSC_RISC_PER0_CIDCFGR  0 * opyright()2023,java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 3
#RIFSC_RISC_PER0_SEMCR 0104
IFSC_RISC_HWCFGR2 0xFEC

/*
 #<nux/.
 */
#define SEMCR_MUTEX   BIT#</.>

/*
 *  register
 */
#define HWCFGR2_CONF1_MASK  GENMASK(15, 0)
efine GENMASK3 )
#define HWCFGR2_CONF3_MASK  GENMASK(31#efine RIFSC_RISC_HWCFGR2 0xFEC

/*
 * RIFSC miscellaneoustform.h>
 */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
djava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
#define RIFSC_RISC_SCID_MASK  # HWCFGR2_CONF2_MASK  (23 )
#define HWCFGR2_CONF3_MASK GENMA )
##include <linux/err.h>
#define RIFSC_RISC_PER_ID_MASK#efine RIFSC_RISC_PRIVCFGR0  0x30

##java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 38
 dRIFSC_RISC_SCID_MASKGENMASK 4)
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

#define IDS_PER_RISC_SEC_PRIV_REGS 32

/* RIF miscellaneous */
/*
* CIDCFGR register fields
 */
 *
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*HWCFGR2

  # <inuxjava.lang.StringIndexOutOfBoundsException: Range [0, 27) out of bounds for length 3

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
defineRIF_CID0   0x0
#define RIF_CID1   0x1#    BIT1java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

* RIFSCjava.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0
{
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static int java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 18
{
 void __iomem *addr = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 writel(SEMCR_MUTEX,addr)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

 /* Check that CID1 has the semaphore */
 if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     FIELD_GET(RIFSC_RISC_SCID_MASK, readl(addr)) != RIF_CID1)
  *

  SEMCR_MUTEX );
}

static     | \
         *
{
 void __iomem *addr #efineHWCFGR2_CONF2_MASKGENMASK(23, 16)

       FIELD_GETRIFSC_RISC_SCID_MASK readl()!RIF_CID1)
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* Ok if another compartment takes the semaphore before the check */
 WARN_ONaddr) &java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
}

static int stm32_rifsc_grant_access FIELD_GET(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
{
 struct stm32_firewall_controllerjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 32
 java.lang.StringIndexOutOfBoundsException: Range [23, 4) out of bounds for length 54
 int rc;

  struct stm32_firewall_controller* = java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 0
  (ifsc_controller-,"Invalid u32java.lang.StringIndexOutOfBoundsException: Range [17, 15) out of bounds for length 54
  return -EINVAL
  (stm32_rifsc_is_semaphore_available(ddrjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 8

 /*
  *      FIELD_GETRIFSC_RISC_SCID_MASK#define CIDCFGR_CFEN   BIT(0)
  *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 */
 reg_id = firewall_id / java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 22
 reg_offset = firewall_id % IDS_PER_RISC_SEC_PRIV_REGS
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
cid_reg_value   readl(rifsc_controller- RIFSC_RISC_PER0_CIDCFGR + 0x8 * firewall_id);

 /* First check conditions for semaphore mode, which doesn't take into account static CID. */
 cid_reg_value &CIDCFGR_SEMEN) && (cid_reg_value & CIDCFGR_CFEN)) {
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   sec_reg_value = readl(rifsc_controller->mmioRIFSC_RISC_SECCFGR0 + 0x4 * reg_id);
   goto  =readl->mio +RIFSC_RISC_PER0_CIDCFGR          id
  }else {

 "  & ) && cid_reg_value &CIDCFGR_CFEN) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   return-ACCES;
  }
 }

 /*
t enabled or filteringjava.lang.StringIndexOutOfBoundsException: Range [65, 10) out of bounds for length 10
         "alidbus semaphoreconfiguration: index %d\n", firewall_id);
 */
 if    *
FIELD_GET
  skip_cid_check

/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  CheckFIELD_GET(RIFSC_RISC_SCID_MASK())=java.lang.StringIndexOutOfBoundsException: Range [0, 58) out of bounds for length 39
- Invalid CID cid_reg_value = readl(rifsc_controller->mmio + RIFSC_RISC_ )
     -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  (&,,sec_reg_value;
 }

skip_cid_check:
 /* Check security configuration */
 if   
  ev_dbg(rifsc_controller->dev,
   " goto sgoto skip_cid_check
  java.lang.StringIndexOutOfBoundsException: Range [16, 8) out of bounds for length 17
 }

 /*
  * If the peripheral   has ownership.
  * the CID1 has the cid_reg_value = readl(rifsc_co-> if (c){
 */
 if ((cid_reg_value & 
   / int (platform_device)
  if (rc) {
   java.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for length 52
   ;
  rc;
  }
 }

 return 0;
}

static void java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
{
  dev_dbg>dev,"   -EACCES;  return -ENOMEM;
}

taticmmio return-EACCES
 ((mio
 structjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2
  *np=pdev->evof_node
 nb_risup,nb_rimuifsc_reg_value (eg_offset) java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 76
 rifsc_controller = stm32_rifsc_grant_access;
 void __iomem *mmio;
 int rc;

 rifsc_controller =     /
    return EACCES
 *etnumberof RIFSC entries*/

  devm_platform_get_and_ioremap_resource ->mio +)&HWCFGR2_CONF1_MASKjava.lang.StringIndexOutOfBoundsException: Index 84 out of bounds for length 84
 if  nb_rimu = readl(rifsc_controller-> if (IELD_GET(IFSC_RISC_SCID_MASK, nb_risal = readl(rifsc_controller->mmio + RIFSC_RISC_HWCFGR2 HWCFGR2_CONF3_MASK;
  PTR_ERR()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

 java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
  = stm32_firewall_controller(rifsc_controller) (ec_reg_value  reg_offset))java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
rifsc_controller>name =dev_driver_string(rifsc_controller->dev);
 rifsc_controller->type = STM32_PERIPHERAL_FIREWALL |  dev_err(rifsc_controller->dev, "Couldn't register as afirewall controller: %d",
 -grant_access = 
 rifsc_controller->release_access  eturn -EACCES;

 /* Get number of RIFSC entries*/rc= (  * If the peripheral is in semaphore mode, take tthat
 java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 4
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 nb_risal =returnjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 13
controller-

 static const java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 1

 rc = {
ifrc) 
  dev_err(rifsc_controller->M(of
   rc);
  return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 rc = }
 if struct device_node .probe  = stm32_rifsc_probe,
  dev_err(rifsc_controller-dev,u32.driverjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  .name ="tm32-",
   .java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 /* Populate all allowed nodes */
  of_platform_populate((p,NULL  (rifsc_controllerjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}

static const struct of_device_id stm32_rifsc_of_match[] = {
{ ="t,al;
   ( res
};
MODULE_DEVICE_TABLE(of void*

static controller-intrc
 .probe
 .
  .name  stm32-rifsc",
 .  stm32_rifsc_of_match
 },
};
module_platform_driver(rifsc_controller->name = dev_driver_stringrifsc_controller->->dev);

GatienChevallier<chevallierfst")
MODULE_DESCRIPTION(STMicroelectronicsRIFSC driver)
MODULE_LICENSE("GPL");