Unverified Commit feae929d authored by Xi Pardee's avatar Xi Pardee Committed by Ilpo Järvinen
Browse files

platform/x86:intel/pmc: Enable SSRAM support for Lunar Lake 



Enable Lunar Lake platforms to achieve PMC information from
Intel PMC SSRAM Telemetry driver and substate requirements data
from telemetry region.

Signed-off-by: default avatarXi Pardee <xi.pardee@linux.intel.com>
Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://patch.msgid.link/20250910210629.11198-2-xi.pardee@linux.intel.com


Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
parent 2ab7713d

drivers/platform/x86/intel/pmc/lnl.c

+16 −0
Original line number Diff line number Diff line
@@ -13,6 +13,10 @@ 


#include "core.h"



#define SOCM_LPM_REQ_GUID	0x15099748



static const u8 LNL_LPM_REG_INDEX[] = {0, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20};



static const struct pmc_bit_map lnl_ltr_show_map[] = {

	{"SOUTHPORT_A",		CNP_PMC_LTR_SPA},

	{"SOUTHPORT_B",		CNP_PMC_LTR_SPB},
@@ -528,6 +532,16 @@ static const struct pmc_reg_map lnl_socm_reg_map = { 
	.lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET,

	.s0ix_blocker_maps = lnl_blk_maps,

	.s0ix_blocker_offset = LNL_S0IX_BLOCKER_OFFSET,

	.lpm_reg_index = LNL_LPM_REG_INDEX,

};



static struct pmc_info lnl_pmc_info_list[] = {

	{

		.guid	= SOCM_LPM_REQ_GUID,

		.devid	= PMC_DEVID_LNL_SOCM,

		.map	= &lnl_socm_reg_map,

	},

	{}

};



#define LNL_NPU_PCI_DEV		0x643e
@@ -557,6 +571,8 @@ static int lnl_core_init(struct pmc_dev *pmcdev, struct pmc_dev_info *pmc_dev_in 
}



struct pmc_dev_info lnl_pmc_dev = {

	.pci_func = 2,

	.regmap_list = lnl_pmc_info_list,

	.map = &lnl_socm_reg_map,

	.suspend = cnl_suspend,

	.resume = lnl_resume,