diff options
Diffstat (limited to 'arch/arm/mach-uniphier/soc_info.c')
| -rw-r--r-- | arch/arm/mach-uniphier/soc_info.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/soc_info.c b/arch/arm/mach-uniphier/soc_info.c new file mode 100644 index 0000000000..3e8e7f4ef3 --- /dev/null +++ b/arch/arm/mach-uniphier/soc_info.c @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/io.h> +#include <linux/types.h> +#include <mach/sg-regs.h> +#include <mach/soc_info.h> + +#if UNIPHIER_MULTI_SOC +enum uniphier_soc_id uniphier_get_soc_type(void) +{ + u32 revision = readl(SG_REVISION); + enum uniphier_soc_id ret; + + switch ((revision & SG_REVISION_TYPE_MASK) >> SG_REVISION_TYPE_SHIFT) { +#ifdef CONFIG_ARCH_UNIPHIER_PH1_SLD3 + case 0x25: + ret = SOC_UNIPHIER_PH1_SLD3; + break; +#endif +#ifdef CONFIG_ARCH_UNIPHIER_PH1_LD4 + case 0x26: + ret = SOC_UNIPHIER_PH1_LD4; + break; +#endif +#ifdef CONFIG_ARCH_UNIPHIER_PH1_PRO4 + case 0x28: + ret = SOC_UNIPHIER_PH1_PRO4; + break; +#endif +#ifdef CONFIG_ARCH_UNIPHIER_PH1_SLD8 + case 0x29: + ret = SOC_UNIPHIER_PH1_SLD8; + break; +#endif +#ifdef CONFIG_ARCH_UNIPHIER_PH1_PRO5 + case 0x2A: + ret = SOC_UNIPHIER_PH1_PRO5; + break; +#endif +#ifdef CONFIG_ARCH_UNIPHIER_PROXSTREAM2 + case 0x2E: + ret = SOC_UNIPHIER_PROXSTREAM2; + break; +#endif +#ifdef CONFIG_ARCH_UNIPHIER_PH1_LD6B + case 0x2F: + ret = SOC_UNIPHIER_PH1_LD6B; + break; +#endif + default: + ret = SOC_UNIPHIER_UNKNOWN; + break; + } + + return ret; +} +#endif |