Add Arrow Lake U and Arro Lake H support in intel_pmc_core driver
Signed-off-by: Rajvi Jingar <rajvi.jingar@xxxxxxxxxxxxxxx>
---
drivers/platform/x86/intel/pmc/arl.c | 65 ++++++++++++++++++++++-----
drivers/platform/x86/intel/pmc/core.c | 2 +
drivers/platform/x86/intel/pmc/core.h | 7 +++
3 files changed, 64 insertions(+), 10 deletions(-)
diff --git a/drivers/platform/x86/intel/pmc/arl.c b/drivers/platform/x86/intel/pmc/arl.c
index e10527c4e3e0..964f5f040dd9 100644
--- a/drivers/platform/x86/intel/pmc/arl.c
+++ b/drivers/platform/x86/intel/pmc/arl.c
@@ -16,6 +16,7 @@
#define IOEP_LPM_REQ_GUID 0x5077612
#define SOCS_LPM_REQ_GUID 0x8478657
#define PCHS_LPM_REQ_GUID 0x9684572
+#define SOCM_LPM_REQ_GUID 0x2625030
static const u8 ARL_LPM_REG_INDEX[] = {0, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20};
@@ -650,6 +651,7 @@ const struct pmc_reg_map arl_pchs_reg_map = {
.etr3_offset = ETR3_OFFSET,
};
+#define PMC_DEVID_SOCM 0x777f
#define PMC_DEVID_SOCS 0xae7f
#define PMC_DEVID_IOEP 0x7ecf
#define PMC_DEVID_PCHS 0x7f27
@@ -669,11 +671,17 @@ static struct pmc_info arl_pmc_info_list[] = {
.devid = PMC_DEVID_PCHS,
.map = &arl_pchs_reg_map,
},
+ {
+ .guid = SOCM_LPM_REQ_GUID,
+ .devid = PMC_DEVID_SOCM,
+ .map = &mtl_socm_reg_map,
+ },
{}
};
#define ARL_NPU_PCI_DEV 0xad1d
#define ARL_GNA_PCI_DEV 0xae4c
+#define ARL_H_GNA_PCI_DEV 0x774c
/*
* Set power state of select devices that do not have drivers to D3
* so that they do not block Package C entry.
@@ -684,6 +692,12 @@ static void arl_d3_fixup(void)
pmc_core_set_device_d3(ARL_GNA_PCI_DEV);
}
+static void arl_h_d3_fixup(void)
+{
+ pmc_core_set_device_d3(ARL_NPU_PCI_DEV);
+ pmc_core_set_device_d3(ARL_H_GNA_PCI_DEV);
+}
+
static int arl_resume(struct pmc_dev *pmcdev)
{
arl_d3_fixup();
@@ -692,16 +706,47 @@ static int arl_resume(struct pmc_dev *pmcdev)
return pmc_core_resume_common(pmcdev);
}
+static int arl_h_resume(struct pmc_dev *pmcdev)
+{
+ arl_h_d3_fixup();
+ pmc_core_send_ltr_ignore(pmcdev, 3, 0);
+
+ return pmc_core_resume_common(pmcdev);
+}
+
+int arl_h_core_init(struct pmc_dev *pmcdev)
+{
+ arl_h_d3_fixup();
+
+ return arl_core_generic_init(pmcdev, SOC_M);
+}
+
int arl_core_init(struct pmc_dev *pmcdev)
{
- struct pmc *pmc = pmcdev->pmcs[PMC_IDX_SOC];
+ arl_d3_fixup();
+
+ return arl_core_generic_init(pmcdev, SOC_S);
+}
+
+int arl_core_generic_init(struct pmc_dev *pmcdev, int soc_tp)
+{
int ret;
- int func = 0;
+ int func;
bool ssram_init = true;
+ struct pmc *pmc = pmcdev->pmcs[PMC_IDX_SOC];
- arl_d3_fixup();
pmcdev->suspend = cnl_suspend;
- pmcdev->resume = arl_resume;
+
+ if (soc_tp == SOC_M) {
+ func = 2;
+ pmcdev->resume = arl_h_resume;
+ } else if (soc_tp == SOC_S) {
+ func = 0;
+ pmcdev->resume = arl_resume;
+ } else {
+ return -EINVAL;
+ }
+
pmcdev->regmap_list = arl_pmc_info_list;
/*
@@ -711,7 +756,10 @@ int arl_core_init(struct pmc_dev *pmcdev)
ret = pmc_core_ssram_init(pmcdev, func);
if (ret) {
ssram_init = false;
- pmc->map = &arl_socs_reg_map;
+ if (soc_tp == SOC_M)
+ pmc->map = &mtl_socm_reg_map;
+ else
+ pmc->map = &arl_socs_reg_map;
ret = get_primary_reg_base(pmc);
if (ret)
@@ -721,11 +769,8 @@ int arl_core_init(struct pmc_dev *pmcdev)
pmc_core_get_low_power_modes(pmcdev);
pmc_core_punit_pmt_init(pmcdev, ARL_PMT_DMU_GUID);
- if (ssram_init) {
- ret = pmc_core_ssram_get_lpm_reqs(pmcdev);
- if (ret)
- return ret;
- }
+ if (ssram_init)
+ return pmc_core_ssram_get_lpm_reqs(pmcdev);
return 0;
}
diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c
index 01ae71c6df59..046791f21619 100644
--- a/drivers/platform/x86/intel/pmc/core.c
+++ b/drivers/platform/x86/intel/pmc/core.c
@@ -1319,6 +1319,8 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
X86_MATCH_VFM(INTEL_RAPTORLAKE_S, adl_core_init),
X86_MATCH_VFM(INTEL_METEORLAKE_L, mtl_core_init),
X86_MATCH_VFM(INTEL_ARROWLAKE, arl_core_init),
+ X86_MATCH_VFM(INTEL_ARROWLAKE_H, arl_h_core_init),
+ X86_MATCH_VFM(INTEL_ARROWLAKE_U, arl_h_core_init),
X86_MATCH_VFM(INTEL_LUNARLAKE_M, lnl_core_init),
{}
};
diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h
index ea04de7eb9e8..5771f40185c2 100644
--- a/drivers/platform/x86/intel/pmc/core.h
+++ b/drivers/platform/x86/intel/pmc/core.h
@@ -365,6 +365,11 @@ struct pmc_info {
const struct pmc_reg_map *map;
};
+enum soc_type {
+ SOC_M,
+ SOC_S
+};
+
/**
* struct pmc - pmc private info structure
* @base_addr: contains pmc base address
@@ -599,6 +604,8 @@ 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);
int arl_core_init(struct pmc_dev *pmcdev);
+int arl_h_core_init(struct pmc_dev *pmcdev);
+int arl_core_generic_init(struct pmc_dev *pmcdev, int pch_tp);
int lnl_core_init(struct pmc_dev *pmcdev);
void cnl_suspend(struct pmc_dev *pmcdev);
--
2.43.0
