diff options
Diffstat (limited to 'roms/u-boot/drivers/misc/fsl_devdis.c')
| -rw-r--r-- | roms/u-boot/drivers/misc/fsl_devdis.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/misc/fsl_devdis.c b/roms/u-boot/drivers/misc/fsl_devdis.c new file mode 100644 index 000000000..abd20b4d6 --- /dev/null +++ b/roms/u-boot/drivers/misc/fsl_devdis.c @@ -0,0 +1,28 @@ +// 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); + } +} + |