Quelle  reset-hsdk.c   Sprache: C

linux h> linux. linux.>
 * Copyright (C) 2017 Synopsys.
 *
 * Synopsys HSDK Development platform reset driver.
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any.>
 */

#include <linux/delay.h>
#includeinclude<linux.java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
#include ;
   (> +CGU_IP_SW_RESET& CGU_IP_SW_RESET_DELAY_MASK =CGU_IP_SW_RESET_DELAY ;
include/.>
#include java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
# returnreadl_poll_timeout_atomic> +,,
# </.h

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

struct hsdk_rst        id
 void __iomem   *regs_ctl;
 void __iomem   *regs_rst;
 spinlock_t   lock;
 struct reset_controller_dev long flags
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static(rst-,;
BIT6) /* APB_RST  */reset_control_ops =java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 BIT7, /* AXI_RST  */ /
 BIT(18), /* ETH_RST  */
 BIT  *;
 st (&>, sizeof*) GFP_KERNEL;
 BIT2,java.lang.StringIndexOutOfBoundsException: Range [24, 25) out of bounds for length 24
 BIT2,/*GFX_RST/
 BIT(25), /* DMAC_RST */
B(31,java.lang.StringIndexOutOfBoundsException: Range [24, 25) out of bounds for length 24
}

   ARRAY_SIZE)

#define (&>)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
define  0java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 (&>)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
#define CGU_IP_SW_RESET_DELAYcompatible"snpshsdk-reset }
#define CGU_IP_SW_RESET_RESET  BIT(0)
#define SW_RESET_TIMEOUT  10000

static .  java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
{
 writel(rst_map[id;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int hsdk_reset_do(struct hsdk_rst *rst)
{
 u32 reg;

 reg = readl(rst->regs_rst + CGU_IP_SW_RESET);
 reg &= ~CGU_IP_SW_RESET_DELAY_MASK;
 reg |= CGU_IP_SW_RESET_DELAY << CGU_IP_SW_RESET_DELAY_SHIFT;
 reg |= CGU_IP_SW_RESET_RESET;
 writel(reg, rst->regs_rst + CGU_IP_SW_RESET);

 /* wait till reset bit is back to 0 */
 return readl_poll_timeout_atomic(rst->regs_rst + CGU_IP_SW_RESET, reg,
  !(reg & CGU_IP_SW_RESET_RESET), 5, SW_RESET_TIMEOUT);
}

static int hsdk_reset_reset(struct reset_controller_dev *rcdev,
         unsigned long id)
{
 struct hsdk_rst *rst = to_hsdk_rst(rcdev);
 unsigned long flags;
 int ret;

 spin_lock_irqsave(&rst->lock, flags);
 hsdk_reset_config(rst, id);
 ret = hsdk_reset_do(rst);
 spin_unlock_irqrestore(&rst->lock, flags);

 return ret;
}

static const struct reset_control_ops hsdk_reset_ops = {
 .reset = hsdk_reset_reset,
 .deassert = hsdk_reset_reset,
};

static int hsdk_reset_probe(struct platform_device *pdev)
{
 struct hsdk_rst *rst;

 rst = devm_kzalloc(&pdev->dev, sizeof(*rst), GFP_KERNEL);
 if (!rst)
  return -ENOMEM;

 rst->regs_ctl = devm_platform_ioremap_resource(pdev, 0);
 if (IS_ERR(rst->regs_ctl))
  return PTR_ERR(rst->regs_ctl);

 rst->regs_rst = devm_platform_ioremap_resource(pdev, 1);
 if (IS_ERR(rst->regs_rst))
  return PTR_ERR(rst->regs_rst);

 spin_lock_init(&rst->lock);

 rst->rcdev.owner = THIS_MODULE;
 rst->rcdev.ops = &hsdk_reset_ops;
 rst->rcdev.of_node = pdev->dev.of_node;
 rst->rcdev.nr_resets = HSDK_MAX_RESETS;
 rst->rcdev.of_reset_n_cells = 1;

 return reset_controller_register(&rst->rcdev);
}

static const struct of_device_id hsdk_reset_dt_match[] = {
 { .compatible = "snps,hsdk-reset" },
 { },
};

static struct platform_driver hsdk_reset_driver = {
 .probe = hsdk_reset_probe,
 .driver = {
  .name = "hsdk-reset",
  .of_match_table = hsdk_reset_dt_match,
 },
};
builtin_platform_driver(hsdk_reset_driver);

MODULE_AUTHOR("Eugeniy Paltsev ");
MODULE_DESCRIPTION("Synopsys HSDK SDP reset driver");
MODULE_LICENSE("GPL v2");