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getac/p470: Add C-State values 

Derived from what the vendor BIOS is doing.

Change-Id: Ie2cba7b86b6bb3f1dcc4a5e1c189aa45d0aab109
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Found-by: fwts 15.08
Reviewed-on: http://review.coreboot.org/11142
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi 2015-08-09 09:22:30 +02:00 committed by Patrick Georgi
parent 82fe90829b
commit 21a78a88c6
1 changed files with 21 additions and 1 deletions
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22
src/mainboard/getac/p470/cstates.c
View File

@ -1,7 +1,27 @@
#include <device/device.h> #include <device/device.h>
#include <arch/x86/include/arch/acpigen.h> #include <arch/x86/include/arch/acpigen.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
static acpi_cstate_t cst_entries[] = {
{
/* acpi C1 / cpu C1 */
1, 0x01, 1000,
{ ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0, 0 }
},
{
/* acpi C2 / cpu C2 */
2, 0x01, 500,
{ ACPI_ADDRESS_SPACE_IO, 8, 0, { 0 }, DEFAULT_PMBASE + LV2, 0 }
},
{
/* acpi C3 / cpu C2 */
2, 0x11, 250,
{ ACPI_ADDRESS_SPACE_IO, 8, 0, { 0 }, DEFAULT_PMBASE + LV3, 0 }
},
};
int get_cst_entries(acpi_cstate_t **entries) int get_cst_entries(acpi_cstate_t **entries)
{ {
return 0; *entries = cst_entries;
return ARRAY_SIZE(cst_entries);
} }