diff options
Diffstat (limited to 'arch/arm/include/asm/system.h')
| -rw-r--r-- | arch/arm/include/asm/system.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 77aa18909e..e4c11e830a 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -84,6 +84,30 @@ #define HCR_EL2_HCD_DIS (1 << 29) /* Hypervisor Call disabled */ /* + * VTCR_EL2 bits definitions + */ +#define VTCR_EL2_MSA (1 << 31) /* EL1&0 memory architecture */ + +/* + * ID_AA64MMFR0_EL1 bits definitions + */ +#define ID_AA64MMFR0_EL1_MSA_FRAC_MASK (0xFUL << 52) /* Memory system + architecture + frac */ +#define ID_AA64MMFR0_EL1_MSA_FRAC_VMSA (0x2UL << 52) /* EL1&0 supports + VMSA */ +#define ID_AA64MMFR0_EL1_MSA_FRAC_PMSA (0x1UL << 52) /* EL1&0 only + supports PMSA*/ +#define ID_AA64MMFR0_EL1_MSA_FRAC_NO_PMSA (0x0UL << 52) /* No PMSA + support */ +#define ID_AA64MMFR0_EL1_MSA_MASK (0xFUL << 48) /* Memory system + architecture */ +#define ID_AA64MMFR0_EL1_MSA_USE_FRAC (0xFUL << 48) /* Use MSA_FRAC */ +#define ID_AA64MMFR0_EL1_MSA_VMSA (0x0UL << 48) /* Memory system + architecture + is VMSA */ + +/* * ID_AA64ISAR1_EL1 bits definitions */ #define ID_AA64ISAR1_EL1_GPI (0xF << 28) /* Implementation-defined generic |