diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/soc-info.c')
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/soc-info.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/soc-info.c b/roms/u-boot/arch/arm/mach-uniphier/soc-info.c new file mode 100644 index 000000000..b0221016d --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/soc-info.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <linux/bitfield.h> +#include <linux/io.h> +#include <linux/types.h> + +#include "sg-regs.h" +#include "soc-info.h" + +unsigned int uniphier_get_soc_id(void) +{ + u32 rev = readl(sg_base + SG_REVISION); + + return FIELD_GET(SG_REVISION_TYPE_MASK, rev); +} + +unsigned int uniphier_get_soc_model(void) +{ + u32 rev = readl(sg_base + SG_REVISION); + + return FIELD_GET(SG_REVISION_MODEL_MASK, rev); +} + +unsigned int uniphier_get_soc_revision(void) +{ + u32 rev = readl(sg_base + SG_REVISION); + + return FIELD_GET(SG_REVISION_REV_MASK, rev); +} |