diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2023-06-29 20:32:37 +0200 |
|---|---|---|
| committer | Lean Sheng Tan <sheng.tan@9elements.com> | 2023-08-02 15:53:26 +0000 |
| commit | ba2e354af4ff1924310c0e10a61d44c0195c451f (patch) | |
| tree | 27c12dcca8eac14b81b36a78ff1e7bf970f5fbbd /src | |
| parent | 8473e8fd5fd861da1e511dc143d9cf199d9dd89a (diff) | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/arm64/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/arch/arm64/acpi.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/arch/arm64/Makefile.inc b/src/arch/arm64/Makefile.inc index a5b034abce..f9ddca5cdd 100644 --- a/src/arch/arm64/Makefile.inc +++ b/src/arch/arm64/Makefile.inc @@ -118,6 +118,7 @@ ramstage-y += memmove.S 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 0000000000..30ccc303bf --- /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; +} |