From: Gayatri Kammela <gayatri.kammela@intel.com>
To: platform-driver-x86@vger.kernel.org
Cc: vishwanath.somayaji@intel.com, dvhart@infradead.org,
linux-kernel@vger.kernel.org, charles.d.prestopine@intel.com,
Gayatri Kammela <gayatri.kammela@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Srinivas Pandruvada <srinivas.pandruvada@intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Kan Liang <kan.liang@intel.com>,
"David E . Box" <david.e.box@intel.com>,
Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>,
Tony Luck <tony.luck@intel.com>
Subject: [PATCH v1 4/5] platform/x86: Add Tiger Lake(TGL) platform support to intel_pmc_core driver
Date: Thu, 26 Sep 2019 12:26:02 -0700 [thread overview]
Message-ID: <20190926192603.18647-5-gayatri.kammela@intel.com> (raw)
In-Reply-To: <20190926192603.18647-1-gayatri.kammela@intel.com>
Add Tiger Lake to the list of the platforms that intel_pmc_core driver
supports for the pmc_core device.
Just like ICL, TGL can also reuse all the CNL PCH IPs. Since TGL has
almost the same number of PCH IPs as ICL, reuse ICL's PPFEAR_NUM_ENTRIES
instead of defining a new macro.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: David E. Box <david.e.box@intel.com>
Cc: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
---
drivers/platform/x86/intel_pmc_core.c | 40 +++++++++++++++++++++++++--
1 file changed, 38 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index ea43a5989c96..aef8f6d8bddb 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -190,7 +190,7 @@ static const struct pmc_bit_map cnp_pfear_map[] = {
{"SDX", BIT(4)},
{"SPE", BIT(5)},
{"Fuse", BIT(6)},
- /* Reserved for Cannonlake but valid for Icelake */
+ /* Reserved for Cannonlake but valid for Icelake and Tigerlake */
{"SBR8", BIT(7)},
{"CSME_FSC", BIT(0)},
@@ -234,7 +234,7 @@ static const struct pmc_bit_map cnp_pfear_map[] = {
{"HDA_PGD4", BIT(2)},
{"HDA_PGD5", BIT(3)},
{"HDA_PGD6", BIT(4)},
- /* Reserved for Cannonlake but valid for Icelake */
+ /* Reserved for Cannonlake but valid for Icelake and Tigerlake */
{"PSF6", BIT(5)},
{"PSF7", BIT(6)},
{"PSF8", BIT(7)},
@@ -265,6 +265,24 @@ static const struct pmc_bit_map *ext_icl_pfear_map[] = {
NULL
};
+static const struct pmc_bit_map tgl_pfear_map[] = {
+ /* Tigerlake generation onwards only */
+ {"PSF9", BIT(0)},
+ {"RES_66", BIT(1)},
+ {"RES_67", BIT(2)},
+ {"RES_68", BIT(3)},
+ {"RES_69", BIT(4)},
+ {"RES_70", BIT(5)},
+ {"TBTLSX", BIT(6)},
+ {}
+};
+
+static const struct pmc_bit_map *ext_tgl_pfear_map[] = {
+ cnp_pfear_map,
+ tgl_pfear_map,
+ NULL
+};
+
static const struct pmc_bit_map cnp_slps0_dbg0_map[] = {
{"AUDIO_D3", BIT(0)},
{"OTG_D3", BIT(1)},
@@ -383,6 +401,22 @@ static const struct pmc_reg_map icl_reg_map = {
.ltr_ignore_max = ICL_NUM_IP_IGN_ALLOWED,
};
+static const struct pmc_reg_map tgl_reg_map = {
+ .pfear_sts = ext_tgl_pfear_map,
+ .slp_s0_offset = CNP_PMC_SLP_S0_RES_COUNTER_OFFSET,
+ .slps0_dbg_maps = cnp_slps0_dbg_maps,
+ .ltr_show_sts = cnp_ltr_show_map,
+ .msr_sts = msr_map,
+ .slps0_dbg_offset = CNP_PMC_SLPS0_DBG_OFFSET,
+ .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 = ICL_NUM_IP_IGN_ALLOWED,
+};
+
static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset)
{
return readb(pmcdev->regbase + offset);
@@ -836,6 +870,8 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
INTEL_CPU_FAM6(CANNONLAKE_L, cnp_reg_map),
INTEL_CPU_FAM6(ICELAKE_L, icl_reg_map),
INTEL_CPU_FAM6(ICELAKE_NNPI, icl_reg_map),
+ INTEL_CPU_FAM6(TIGERLAKE_L, tgl_reg_map),
+ INTEL_CPU_FAM6(TIGERLAKE, tgl_reg_map),
{}
};
--
2.17.1
next prev parent reply other threads:[~2019-09-26 18:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-26 19:25 [PATCH v1 0/5] Add Tiger Lake/Elkhart Lake support to pmc_core driver Gayatri Kammela
2019-09-26 19:25 ` [PATCH v1 1/5] x86/intel_pmc_core: Clean up: Remove comma after the termination line Gayatri Kammela
2019-09-26 19:26 ` [PATCH v1 2/5] x86/intel_pmc_core: Create platform dependent pmc bitmap structs Gayatri Kammela
2019-09-26 19:26 ` [PATCH v1 3/5] x86/intel_pmc_core: Make debugfs entry for pch_ip_power_gating_status conditional Gayatri Kammela
2019-09-26 19:26 ` Gayatri Kammela [this message]
2019-09-26 19:26 ` [PATCH v1 5/5] platform/x86: Add Atom based Elkhart Lake(EHL) platform support to intel_pmc_core driver Gayatri Kammela
2019-09-27 6:01 ` [PATCH v1 0/5] Add Tiger Lake/Elkhart Lake support to pmc_core driver Andy Shevchenko
2019-09-27 6:06 ` Andy Shevchenko
2019-09-30 18:27 ` Kammela, Gayatri
2019-09-30 18:23 ` Kammela, Gayatri
2019-10-28 16:41 ` Kammela, Gayatri
2019-11-07 15:27 ` Andy Shevchenko
2019-11-12 4:08 ` Kammela, Gayatri
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