Lean Sheng Tan has submitted this change. ( https://review.coreboot.org/c/coreboot/+/76180?usp=email )
(
3 is the latest approved patch-set. No files were changed between the latest approved patch-set and the submitted one. )Change subject: arch/arm64: Hook up FADT ......................................................................
arch/arm64: Hook up FADT
Arm needs very little of FADT. Just a HW reduced model bit and low power idle bit set.
Signed-off-by: Arthur Heymans arthur@aheymans.xyz Change-Id: I197975f91cd47e418c8583cb0e7b7ea2330363b2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/76180 Reviewed-by: Kyösti Mälkki kyosti.malkki@gmail.com Reviewed-by: Nico Huber nico.h@gmx.de Tested-by: build bot (Jenkins) no-reply@coreboot.org --- M src/arch/arm64/Makefile.inc A src/arch/arm64/acpi.c 2 files changed, 8 insertions(+), 0 deletions(-)
Approvals: Kyösti Mälkki: Looks good to me, approved Nico Huber: Looks good to me, but someone else must approve build bot (Jenkins): Verified
diff --git a/src/arch/arm64/Makefile.inc b/src/arch/arm64/Makefile.inc index a5b034a..f9ddca5 100644 --- a/src/arch/arm64/Makefile.inc +++ b/src/arch/arm64/Makefile.inc @@ -118,6 +118,7 @@ ramstage-$(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE) += bl31.c ramstage-y += transition.c transition_asm.S ramstage-$(CONFIG_PAYLOAD_FIT_SUPPORT) += fit_payload.c +ramstage-$(CONFIG_HAVE_ACPI_SUPPORT) += acpi.c
rmodules_arm64-y += memset.S rmodules_arm64-y += memcpy.S diff --git a/src/arch/arm64/acpi.c b/src/arch/arm64/acpi.c new file mode 100644 index 0000000..30ccc30 --- /dev/null +++ b/src/arch/arm64/acpi.c @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#include <acpi/acpi.h> + +void arch_fill_fadt(acpi_fadt_t *fadt) +{ + fadt->flags |= ACPI_FADT_HW_REDUCED_ACPI | ACPI_FADT_LOW_PWR_IDLE_S0; +}