uboot/drivers/misc/fsl_devdis.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2015 Freescale Semiconductor, Inc.
   4 * Author: Zhuoyu Zhang <Zhuoyu.Zhang@freescale.com>
   5 */
   6#include <common.h>
   7#include <asm/io.h>
   8#include <asm/arch-ls102xa/immap_ls102xa.h>
   9#include <asm/arch-ls102xa/config.h>
  10#include <linux/compiler.h>
  11#include <hwconfig.h>
  12#include <fsl_devdis.h>
  13
  14void device_disable(const struct devdis_table *tbl, uint32_t num)
  15{
  16        int i;
  17        struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
  18
  19        /*
  20         * Extract hwconfig from environment and disable unused device.
  21         */
  22        for (i = 0; i < num; i++) {
  23                if (hwconfig_sub("devdis", tbl[i].name))
  24                        setbits_be32(&gur->devdisr + tbl[i].offset,
  25                                tbl[i].mask);
  26        }
  27}
  28
  29