soc/intel/alderlake: Set LpmStateEnableMask UPD
Use the get_supported_lpm_states() function to set the respective FSP
UPD.
TEST=with patchtrain on brya0,
/sys/kernel/debug/pmc_core/substate_requirements shows only the
substates that are applicable to the design (S0i2.0, S0i3.0).
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I5bb8b3671e78c5f2706db2d3a21b25cf90a14275
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56458
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 7e1afde..107d22e 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -15,6 +15,7 @@
#include <intelblocks/xdci.h>
#include <intelpch/lockdown.h>
#include <intelblocks/tcss.h>
+#include <soc/cpu.h>
#include <soc/gpio_soc_defs.h>
#include <soc/intel/common/vbt.h>
#include <soc/pci_devs.h>
@@ -614,6 +615,8 @@
/* VrConfig Settings for IA and GT domains */
for (size_t i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++)
fill_vr_domain_config(s_cfg, i, &config->domain_vr_config[i]);
+
+ s_cfg->LpmStateEnableMask = get_supported_lpm_mask();
}
static void fill_fsps_irq_params(FSP_S_CONFIG *s_cfg,