From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: lpieralisi@kernel.org, kw@linux.com, robh@kernel.org,
bhelgaas@google.com, krzysztof.kozlowski+dt@linaro.org,
conor+dt@kernel.org, jingoohan1@gmail.com, mani@kernel.org
Cc: marek.vasut+renesas@gmail.com, linux-pci@vger.kernel.org,
devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Subject: [PATCH v4 3/7] PCI: dwc: Add PCIE_PORT_{FORCE,LANE_SKEW} macros
Date: Wed, 3 Apr 2024 14:33:00 +0900 [thread overview]
Message-ID: <20240403053304.3695096-4-yoshihiro.shimoda.uh@renesas.com> (raw)
In-Reply-To: <20240403053304.3695096-1-yoshihiro.shimoda.uh@renesas.com>
R-Car Gen4 PCIe controller needs to use the Synopsys-specific PCIe
configuration registers. So, add the macros.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
drivers/pci/controller/dwc/pcie-designware.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 26dae4837462..aa4db6eaf02a 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -71,6 +71,9 @@
#define LINK_WAIT_IATU 9
/* Synopsys-specific PCIe configuration registers */
+#define PCIE_PORT_FORCE 0x708
+#define PORT_FORCE_DO_DESKEW_FOR_SRIS BIT(23)
+
#define PCIE_PORT_AFR 0x70C
#define PORT_AFR_N_FTS_MASK GENMASK(15, 8)
#define PORT_AFR_N_FTS(n) FIELD_PREP(PORT_AFR_N_FTS_MASK, n)
@@ -92,6 +95,9 @@
#define PORT_LINK_MODE_4_LANES PORT_LINK_MODE(0x7)
#define PORT_LINK_MODE_8_LANES PORT_LINK_MODE(0xf)
+#define PCIE_PORT_LANE_SKEW 0x714
+#define PORT_LANE_SKEW_INSERT_MASK GENMASK(23, 0)
+
#define PCIE_PORT_DEBUG0 0x728
#define PORT_LOGIC_LTSSM_STATE_MASK 0x1f
#define PORT_LOGIC_LTSSM_STATE_L0 0x11
--
2.25.1
next prev parent reply other threads:[~2024-04-03 5:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-03 5:32 [PATCH v4 0/7] PCI: dwc: rcar-gen4: Add R-Car V4H support Yoshihiro Shimoda
2024-04-03 5:32 ` [PATCH v4 1/7] dt-bindings: PCI: rcar-gen4-pci-host: Add R-Car V4H compatible Yoshihiro Shimoda
2024-04-03 5:32 ` [PATCH v4 2/7] dt-bindings: PCI: rcar-gen4-pci-ep: " Yoshihiro Shimoda
2024-04-03 5:33 ` Yoshihiro Shimoda [this message]
2024-04-03 5:33 ` [PATCH v4 4/7] PCI: dwc: rcar-gen4: Add rcar_gen4_pcie_platdata Yoshihiro Shimoda
2024-04-03 5:33 ` [PATCH v4 5/7] PCI: dwc: rcar-gen4: Add .ltssm_enable() for other SoC support Yoshihiro Shimoda
2024-04-05 14:13 ` Geert Uytterhoeven
2024-04-08 1:11 ` Yoshihiro Shimoda
2024-04-03 5:33 ` [PATCH v4 6/7] PCI: dwc: rcar-gen4: Add support for r8a779g0 Yoshihiro Shimoda
2024-04-03 5:33 ` [PATCH v4 7/7] misc: pci_endpoint_test: Document a policy about adding pci_device_id Yoshihiro Shimoda
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