diff options
Diffstat (limited to 'src/mainboard/apple/macbook21/cstates.c')
-rw-r--r-- | src/mainboard/apple/macbook21/cstates.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/mainboard/apple/macbook21/cstates.c b/src/mainboard/apple/macbook21/cstates.c new file mode 100644 index 0000000000..8f295040f7 --- /dev/null +++ b/src/mainboard/apple/macbook21/cstates.c @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <acpi/acpigen.h> + +static acpi_cstate_t cst_entries[] = { + { + .ctype = 1, + .latency = 1, + .power = 1000, + .resource = { + .space_id = ACPI_ADDRESS_SPACE_FIXED, + .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, + .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, + .access_size = ACPI_ACCESS_SIZE_UNDEFINED, + .addrl = 0, + .addrh = 0, + } + }, + { + .ctype = 2, + .latency = 1, + .power = 500, + .resource = { + .space_id = ACPI_ADDRESS_SPACE_FIXED, + .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, + .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, + .access_size = ACPI_ACCESS_SIZE_UNDEFINED, + .addrl = 0x10, + .addrh = 0, + } + }, +}; + +int get_cst_entries(acpi_cstate_t **entries) +{ + *entries = cst_entries; + return ARRAY_SIZE(cst_entries); +} |