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