u-boot/drivers/misc/fsl_devdis.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015 Freescale Semiconductor, Inc.
* Author: Zhuoyu Zhang <Zhuoyu.Zhang@freescale.com>
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch-ls102xa/immap_ls102xa.h>
#include <asm/arch-ls102xa/config.h>
#include <linux/compiler.h>
#include <hwconfig.h>
#include <fsl_devdis.h>
void device_disable(const struct devdis_table *tbl, uint32_t num)
{
int i;
struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
/*
* Extract hwconfig from environment and disable unused device.
*/
for (i = 0; i < num; i++) {
if (hwconfig_sub("devdis", tbl[i].name))
setbits_be32(&gur->devdisr + tbl[i].offset,
tbl[i].mask);
}
}