mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

platform/x86/intel/pmc: Add regmap for Tiger Lake H PCH 

Tiger Lake H PCH is same as Tiger Lake LP PCH from the driver
perspective with the addition of the PSON residency counter. Add regmap
for TGP H to add PSON register offsets for Tiger Lake H PCH.

Signed-off-by: Rajvi Jingar <rajvi.jingar@linux.intel.com>
Link: https://lore.kernel.org/r/20231219042216.2592029-3-rajvi.jingar@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Rajvi Jingar 2023-12-18 20:22:11 -08:00 committed by Hans de Goede
parent b6258fa2c7
commit 544f7b7f65
3 changed files with 58 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/platform/x86/intel/pmc/core.c
View File

@ -1216,15 +1216,15 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_NNPI, icl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, cnp_core_init),
X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, cnp_core_init),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, tgl_l_core_init),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, tgl_l_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, icl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ROCKETLAKE, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, tgl_l_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, tgl_l_core_init),
X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, adl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, tgl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, tgl_l_core_init),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, adl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_S, adl_core_init),
X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE_L, mtl_core_init),

6
drivers/platform/x86/intel/pmc/core.h
View File

@ -223,6 +223,10 @@ enum ppfear_regs {
#define TGL_LPM_PRI_OFFSET 0x1C7C
#define TGL_LPM_NUM_MAPS 6
/* Tigerlake PSON residency register */
#define TGL_PSON_RESIDENCY_OFFSET 0x18f8
#define TGL_PSON_RES_COUNTER_STEP 0x7A
/* Extended Test Mode Register 3 (CNL and later) */
#define ETR3_OFFSET 0x1048
#define ETR3_CF9GR BIT(20)
@ -507,6 +511,8 @@ int spt_core_init(struct pmc_dev *pmcdev);
int cnp_core_init(struct pmc_dev *pmcdev);
int icl_core_init(struct pmc_dev *pmcdev);
int tgl_core_init(struct pmc_dev *pmcdev);
int tgl_l_core_init(struct pmc_dev *pmcdev);
int tgl_core_generic_init(struct pmc_dev *pmcdev, int pch_tp);
int adl_core_init(struct pmc_dev *pmcdev);
int mtl_core_init(struct pmc_dev *pmcdev);

48
drivers/platform/x86/intel/pmc/tgl.c
View File

@ -13,6 +13,11 @@
#define ACPI_S0IX_DSM_UUID "57a6512e-3979-4e9d-9708-ff13b2508972"
#define ACPI_GET_LOW_MODE_REGISTERS 1
enum pch_type {
PCH_H,
PCH_LP
};
const struct pmc_bit_map tgl_pfear_map[] = {
{"PSF9", BIT(0)},
{"RES_66", BIT(1)},
@ -205,6 +210,33 @@ const struct pmc_reg_map tgl_reg_map = {
.etr3_offset = ETR3_OFFSET,
};
const struct pmc_reg_map tgl_h_reg_map = {
.pfear_sts = ext_tgl_pfear_map,
.slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET,
.slp_s0_res_counter_step = TGL_PMC_SLP_S0_RES_COUNTER_STEP,
.ltr_show_sts = cnp_ltr_show_map,
.msr_sts = msr_map,
.ltr_ignore_offset = CNP_PMC_LTR_IGNORE_OFFSET,
.regmap_length = CNP_PMC_MMIO_REG_LEN,
.ppfear0_offset = CNP_PMC_HOST_PPFEAR0A,
.ppfear_buckets = ICL_PPFEAR_NUM_ENTRIES,
.pm_cfg_offset = CNP_PMC_PM_CFG_OFFSET,
.pm_read_disable_bit = CNP_PMC_READ_DISABLE_BIT,
.ltr_ignore_max = TGL_NUM_IP_IGN_ALLOWED,
.lpm_num_maps = TGL_LPM_NUM_MAPS,
.lpm_res_counter_step_x2 = TGL_PMC_LPM_RES_COUNTER_STEP_X2,
.lpm_sts_latch_en_offset = TGL_LPM_STS_LATCH_EN_OFFSET,
.lpm_en_offset = TGL_LPM_EN_OFFSET,
.lpm_priority_offset = TGL_LPM_PRI_OFFSET,
.lpm_residency_offset = TGL_LPM_RESIDENCY_OFFSET,
.lpm_sts = tgl_lpm_maps,
.lpm_status_offset = TGL_LPM_STATUS_OFFSET,
.lpm_live_status_offset = TGL_LPM_LIVE_STATUS_OFFSET,
.etr3_offset = ETR3_OFFSET,
.pson_residency_offset = TGL_PSON_RESIDENCY_OFFSET,
.pson_residency_counter_step = TGL_PSON_RES_COUNTER_STEP,
};
void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev)
{
struct pmc_dev *pmcdev = platform_get_drvdata(pdev);
@ -253,12 +285,26 @@ free_acpi_obj:
ACPI_FREE(out_obj);
}
int tgl_l_core_init(struct pmc_dev *pmcdev)
{
return tgl_core_generic_init(pmcdev, PCH_LP);
}
int tgl_core_init(struct pmc_dev *pmcdev)
{
return tgl_core_generic_init(pmcdev, PCH_H);
}
int tgl_core_generic_init(struct pmc_dev *pmcdev, int pch_tp)
{
struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN];
int ret;
pmc->map = &tgl_reg_map;
if (pch_tp == PCH_H)
pmc->map = &tgl_h_reg_map;
else
pmc->map = &tgl_reg_map;
ret = get_primary_reg_base(pmc);
if (ret)
return ret;