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| author | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2016-12-13 15:28:54 +0000 |
|---|---|---|
| committer | Antonio Nino Diaz <antonio.ninodiaz@arm.com> | 2016-12-13 15:35:15 +0000 |
| commit | 0029624fe2d4c327ac885d04d5933f82f38e7071 (patch) | |
| tree | 42c161da85550023bd5c12ed296ef512c8609927 /include/lib/aarch64 | |
| parent | d3d6c6e3e9860024cda8766dbcf62f8022a68002 (diff) | |
Add PLAT_xxx_ADDR_SPACE_SIZE definitions
Added the definitions `PLAT_PHY_ADDR_SPACE_SIZE` and
`PLAT_VIRT_ADDR_SPACE_SIZE` which specify respectively the physical
and virtual address space size a platform can use.
`ADDR_SPACE_SIZE` is now deprecated. To maintain compatibility, if any
of the previous defines aren't present, the value of `ADDR_SPACE_SIZE`
will be used instead.
For AArch64, register ID_AA64MMFR0_EL1 is checked to calculate the
max PA supported by the hardware and to verify that the previously
mentioned definition is valid. For AArch32, a 40 bit physical
address space is considered.
Added asserts to check for overflows.
Porting guide updated.
Change-Id: Ie8ce1da5967993f0c94dbd4eb9841fc03d5ef8d6
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Diffstat (limited to 'include/lib/aarch64')
| -rw-r--r-- | include/lib/aarch64/arch.h | 10 | ||||
| -rw-r--r-- | include/lib/aarch64/arch_helpers.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/lib/aarch64/arch.h b/include/lib/aarch64/arch.h index a034ae20..989667a7 100644 --- a/include/lib/aarch64/arch.h +++ b/include/lib/aarch64/arch.h @@ -134,6 +134,16 @@ #define ID_AA64PFR0_GIC_WIDTH 4 #define ID_AA64PFR0_GIC_MASK ((1 << ID_AA64PFR0_GIC_WIDTH) - 1) +/* ID_AA64MMFR0_EL1 definitions */ +#define ID_AA64MMFR0_EL1_PARANGE_MASK 0xf + +#define PARANGE_0000 32 +#define PARANGE_0001 36 +#define PARANGE_0010 40 +#define PARANGE_0011 42 +#define PARANGE_0100 44 +#define PARANGE_0101 48 + /* ID_PFR1_EL1 definitions */ #define ID_PFR1_VIRTEXT_SHIFT 12 #define ID_PFR1_VIRTEXT_MASK 0xf diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h index a013809b..aa262031 100644 --- a/include/lib/aarch64/arch_helpers.h +++ b/include/lib/aarch64/arch_helpers.h @@ -196,6 +196,7 @@ void __dead2 smc(uint64_t x0, uint64_t x1, uint64_t x2, uint64_t x3, ******************************************************************************/ DEFINE_SYSREG_READ_FUNC(midr_el1) DEFINE_SYSREG_READ_FUNC(mpidr_el1) +DEFINE_SYSREG_READ_FUNC(id_aa64mmfr0_el1) DEFINE_SYSREG_RW_FUNCS(scr_el3) DEFINE_SYSREG_RW_FUNCS(hcr_el2) |