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From: Vidya Sagar <vidyas@nvidia.com>
To: lorenzo.pieralisi@arm.com, bhelgaas@google.com,
	robh+dt@kernel.org, mark.rutland@arm.com,
	thierry.reding@gmail.com, jonathanh@nvidia.com, kishon@ti.com,
	catalin.marinas@arm.com, will.deacon@arm.com,
	jingoohan1@gmail.com, gustavo.pimentel@synopsys.com
Cc: digetx@gmail.com, mperttunen@nvidia.com,
	linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
	linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, kthota@nvidia.com,
	mmaddireddy@nvidia.com, vidyas@nvidia.com, sagar.tv@gmail.com
Subject: [PATCH V11 01/12] PCI: Add #defines for some of PCIe spec r4.0 features
Date: Mon, 24 Jun 2019 14:44:54 +0530	[thread overview]
Message-ID: <20190624091505.1711-2-vidyas@nvidia.com> (raw)
In-Reply-To: <20190624091505.1711-1-vidyas@nvidia.com>

Add #defines only for the Data Link Feature and Physical Layer 16.0 GT/s
features.

Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
---
Changes since [v10]:
* None

Changes since [v9]:
* None

Changes since [v8]:
* None

Changes since [v7]:
* None

Changes since [v6]:
* None

Changes since [v5]:
* None

Changes since [v4]:
* None

Changes since [v3]:
* None

Changes since [v2]:
* Updated commit message and description to explicitly mention that defines are
  added only for some of the features and not all.

Changes since [v1]:
* None

 include/uapi/linux/pci_regs.h | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index f28e562d7ca8..1c79f6a097d2 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -713,7 +713,9 @@
 #define PCI_EXT_CAP_ID_DPC	0x1D	/* Downstream Port Containment */
 #define PCI_EXT_CAP_ID_L1SS	0x1E	/* L1 PM Substates */
 #define PCI_EXT_CAP_ID_PTM	0x1F	/* Precision Time Measurement */
-#define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PTM
+#define PCI_EXT_CAP_ID_DLF	0x25	/* Data Link Feature */
+#define PCI_EXT_CAP_ID_PL	0x26	/* Physical Layer 16.0 GT/s */
+#define PCI_EXT_CAP_ID_MAX	PCI_EXT_CAP_ID_PL
 
 #define PCI_EXT_CAP_DSN_SIZEOF	12
 #define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40
@@ -1053,4 +1055,22 @@
 #define  PCI_L1SS_CTL1_LTR_L12_TH_SCALE	0xe0000000  /* LTR_L1.2_THRESHOLD_Scale */
 #define PCI_L1SS_CTL2		0x0c	/* Control 2 Register */
 
+/* Data Link Feature */
+#define PCI_DLF_CAP		0x04	/* Capabilities Register */
+#define  PCI_DLF_LOCAL_DLF_SUP_MASK	0x007fffff  /* Local Data Link Feature Supported */
+#define  PCI_DLF_EXCHANGE_ENABLE	0x80000000  /* Data Link Feature Exchange Enable */
+#define PCI_DLF_STS		0x08	/* Status Register */
+#define  PCI_DLF_REMOTE_DLF_SUP_MASK	0x007fffff  /* Remote Data Link Feature Supported */
+#define  PCI_DLF_REMOTE_DLF_SUP_VALID	0x80000000  /* Remote Data Link Feature Support Valid */
+
+/* Physical Layer 16.0 GT/s */
+#define PCI_PL_16GT_CAP		0x04	/* Capabilities Register */
+#define PCI_PL_16GT_CTRL	0x08	/* Control Register */
+#define PCI_PL_16GT_STS		0x0c	/* Status Register */
+#define PCI_PL_16GT_LDPM_STS	0x10	/* Local Data Parity Mismatch Status Register */
+#define PCI_PL_16GT_FRDPM_STS	0x14	/* First Retimer Data Parity Mismatch Status Register */
+#define PCI_PL_16GT_SRDPM_STS	0x18	/* Second Retimer Data Parity Mismatch Status Register */
+#define PCI_PL_16GT_RSVD	0x1C	/* Reserved */
+#define PCI_PL_16GT_LE_CTRL	0x20	/* Lane Equalization Control Register */
+
 #endif /* LINUX_PCI_REGS_H */
-- 
2.17.1

  reply	other threads:[~2019-06-24  9:14 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-24  9:14 [PATCH V11 00/12] Add Tegra194 PCIe support Vidya Sagar
2019-06-24  9:14 ` Vidya Sagar [this message]
2019-06-27 14:38   ` [PATCH V11 01/12] PCI: Add #defines for some of PCIe spec r4.0 features Lorenzo Pieralisi
2019-07-01 12:42     ` Vidya Sagar
2019-06-24  9:14 ` [PATCH V11 02/12] PCI: Disable MSI for Tegra root ports Vidya Sagar
2019-06-24  9:14 ` [PATCH V11 03/12] PCI: dwc: Perform dbi regs write lock towards the end Vidya Sagar
2019-06-27 14:58   ` Lorenzo Pieralisi
2019-06-27 15:33     ` Vidya Sagar
2019-06-27 15:50       ` Lorenzo Pieralisi
2019-06-27 16:52         ` Vidya Sagar
2019-06-24  9:14 ` [PATCH V11 04/12] PCI: dwc: Move config space capability search API Vidya Sagar
2019-06-24  9:14 ` [PATCH V11 05/12] PCI: dwc: Add ext " Vidya Sagar
2019-06-24  9:14 ` [PATCH V11 06/12] dt-bindings: PCI: designware: Add binding for CDM register check Vidya Sagar
2019-06-24  9:15 ` [PATCH V11 07/12] PCI: dwc: Add support to enable " Vidya Sagar
2019-06-24  9:15 ` [PATCH V11 08/12] dt-bindings: Add PCIe supports-clkreq property Vidya Sagar
2019-06-24  9:15 ` [PATCH V11 09/12] dt-bindings: PCI: tegra: Add device tree support for Tegra194 Vidya Sagar
2019-06-24  9:15 ` [PATCH V11 10/12] dt-bindings: PHY: P2U: Add Tegra194 P2U block Vidya Sagar
2019-06-24  9:15 ` [PATCH V11 11/12] phy: tegra: Add PCIe PIPE2UPHY support Vidya Sagar
2019-06-24  9:15 ` [PATCH V11 12/12] PCI: tegra: Add Tegra194 PCIe support Vidya Sagar

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