1*03c22449SZhuoyu Zhang /* 2*03c22449SZhuoyu Zhang * Copyright 2015 Freescale Semiconductor, Inc. 3*03c22449SZhuoyu Zhang * Author: Zhuoyu Zhang <Zhuoyu.Zhang@freescale.com> 4*03c22449SZhuoyu Zhang * 5*03c22449SZhuoyu Zhang * SPDX-License-Identifier: GPL-2.0+ 6*03c22449SZhuoyu Zhang */ 7*03c22449SZhuoyu Zhang #include <common.h> 8*03c22449SZhuoyu Zhang #include <asm/io.h> 9*03c22449SZhuoyu Zhang #include <asm/arch-ls102xa/immap_ls102xa.h> 10*03c22449SZhuoyu Zhang #include <asm/arch-ls102xa/config.h> 11*03c22449SZhuoyu Zhang #include <linux/compiler.h> 12*03c22449SZhuoyu Zhang #include <hwconfig.h> 13*03c22449SZhuoyu Zhang #include <fsl_devdis.h> 14*03c22449SZhuoyu Zhang device_disable(const struct devdis_table * tbl,uint32_t num)15*03c22449SZhuoyu Zhangvoid device_disable(const struct devdis_table *tbl, uint32_t num) 16*03c22449SZhuoyu Zhang { 17*03c22449SZhuoyu Zhang int i; 18*03c22449SZhuoyu Zhang struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; 19*03c22449SZhuoyu Zhang 20*03c22449SZhuoyu Zhang /* 21*03c22449SZhuoyu Zhang * Extract hwconfig from environment and disable unused device. 22*03c22449SZhuoyu Zhang */ 23*03c22449SZhuoyu Zhang for (i = 0; i < num; i++) { 24*03c22449SZhuoyu Zhang if (hwconfig_sub("devdis", tbl[i].name)) 25*03c22449SZhuoyu Zhang setbits_be32(&gur->devdisr + tbl[i].offset, 26*03c22449SZhuoyu Zhang tbl[i].mask); 27*03c22449SZhuoyu Zhang } 28*03c22449SZhuoyu Zhang } 29*03c22449SZhuoyu Zhang 30