Merge branch 'master' of git://git.denx.de/u-boot-spi
[platform/kernel/u-boot.git] / drivers / misc / fsl_devdis.c
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
14 void 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