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-rw-r--r--src/mainboard/apple/macbook21/mainboard.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/src/mainboard/apple/macbook21/mainboard.c b/src/mainboard/apple/macbook21/mainboard.c
index 99527c1e75..fccd81502c 100644
--- a/src/mainboard/apple/macbook21/mainboard.c
+++ b/src/mainboard/apple/macbook21/mainboard.c
@@ -36,9 +36,43 @@
#include <drivers/intel/gma/int15.h>
#define PANEL INT15_5F35_CL_DISPLAY_DEFAULT
+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,
+ {
+ .resv = 0,
+ },
+ .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,
+ {
+ .resv = 0,
+ },
+ .addrl = 0x10,
+ .addrh = 0,
+ }
+ },
+};
+
int get_cst_entries(acpi_cstate_t **entries)
{
- return 0;
+ *entries = cst_entries;
+ return ARRAY_SIZE(cst_entries);
}
static void mainboard_init(device_t dev)