| * Copyright (C) 2017 Socionext Inc. |
| * Author: Masahiro Yamada <yamada.masahiro@socionext.com> |
| * SPDX-License-Identifier: GPL-2.0+ |
| static unsigned int __uniphier_get_revision_field(unsigned int mask, |
| u32 revision = readl(SG_REVISION); |
| return (revision >> shift) & mask; |
| unsigned int uniphier_get_soc_id(void) |
| return __uniphier_get_revision_field(0xff, 16); |
| unsigned int uniphier_get_soc_model(void) |
| return __uniphier_get_revision_field(0x7, 8); |
| unsigned int uniphier_get_soc_revision(void) |
| return __uniphier_get_revision_field(0x1f, 0); |