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Auto max pa #6543

Merged
merged 3 commits into from
Dec 14, 2023
Merged

Auto max pa #6543

merged 3 commits into from
Dec 14, 2023

Commits on Dec 14, 2023

  1. core: arm64.h: add read_id_aa64mmfr0_el1() 

    Add a read function for the system register ID_AA64MMFR0_EL1 and the
mask ID_AA64MMFR0_EL1_PARANGE_MASK to extract the PARange field.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
    @jenswi-linaro
    jenswi-linaro committed Dec 14, 2023
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  2. core: add CFG_AUTO_MAX_PA_BITS 

    Add the configuration variable CFG_AUTO_MAX_PA_BITS that enables
automatic discovery of maximal PA supported by the hardware.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
    @jenswi-linaro
    jenswi-linaro committed Dec 14, 2023
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  3. plat-vexpress: use CFG_AUTO_MAX_PA_BITS on virtual platforms 

    By default set CFG_AUTO_MAX_PA_BITS=y on the virtual platforms fvp and
qemu_armv8a to allow automatic configuration of the maximal supported
physical address.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@foss.st.com>
    @jenswi-linaro
    jenswi-linaro committed Dec 14, 2023
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