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,
gustavo.pimentel@synopsys.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 v2 3/6] PCI: dwc: Add PCIE_PORT_{FORCE,LANE_SKEW} macros
Date: Tue, 26 Mar 2024 11:45:37 +0900 [thread overview]
Message-ID: <20240326024540.2336155-4-yoshihiro.shimoda.uh@renesas.com> (raw)
In-Reply-To: <20240326024540.2336155-1-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:[~2024-03-26 2:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-26 2:45 [PATCH v2 0/6] PCI: dwc: rcar-gen4: Add R-Car V4H support Yoshihiro Shimoda
2024-03-26 2:45 ` [PATCH v2 1/6] dt-bindings: PCI: rcar-gen4-pci-host: Add R-Car V4H compatible Yoshihiro Shimoda
2024-03-26 2:45 ` [PATCH v2 2/6] dt-bindings: PCI: rcar-gen4-pci-ep: " Yoshihiro Shimoda
2024-03-26 2:45 ` Yoshihiro Shimoda [this message]
2024-03-26 2:45 ` [PATCH v2 4/6] PCI: dwc: rcar-gen4: Add a new function pointer for other SoC support Yoshihiro Shimoda
2024-03-26 20:21 ` Bjorn Helgaas
2024-03-27 5:06 ` Yoshihiro Shimoda
2024-03-26 2:45 ` [PATCH v2 5/6] PCI: dwc: rcar-gen4: Add support for other R-Car Gen4 PCIe controller Yoshihiro Shimoda
2024-03-26 20:48 ` Bjorn Helgaas
2024-03-27 5:32 ` Yoshihiro Shimoda
2024-03-27 18:14 ` Bjorn Helgaas
2024-03-29 2:24 ` Yoshihiro Shimoda
2024-03-26 2:45 ` [PATCH v2 6/6] misc: pci_endpoint_test: Add Device ID for R-Car V4H " Yoshihiro Shimoda
2024-03-26 3:21 ` Frank Li
2024-03-26 5:47 ` Yoshihiro Shimoda
2024-03-26 14:08 ` Frank Li
2024-03-27 5:02 ` Yoshihiro Shimoda
2024-03-27 8:11 ` Geert Uytterhoeven
2024-03-27 8:30 ` Yoshihiro Shimoda
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