From: Geraldo Nascimento <geraldogabriel@gmail.com>
To: linux-rockchip@lists.infradead.org
Cc: "Shawn Lin" <shawn.lin@rock-chips.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"Vinod Koul" <vkoul@kernel.org>,
"Kishon Vijay Abraham I" <kishon@kernel.org>,
linux-phy@lists.infradead.org, linux-pci@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [RFC PATCH 1/4] PCI: pcie-rockchip: add bits for Target Link Speed in LCS_2
Date: Sat, 7 Jun 2025 08:00:54 -0300 [thread overview]
Message-ID: <aEQb5kEOCJNQJMin@geday> (raw)
Link Control and Status Register 2 is not present in current
pcie-rockchip.h definitions. Add it in preparation for
setting it before Gen2 retraining.
Signed-off-by: Geraldo Nascimento <geraldogabriel@gmail.com>
---
drivers/pci/controller/pcie-rockchip.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h
index 14954f43e5e9..7a84899d3812 100644
--- a/drivers/pci/controller/pcie-rockchip.h
+++ b/drivers/pci/controller/pcie-rockchip.h
@@ -166,6 +166,9 @@
#define PCIE_RC_CONFIG_LINK_CAP_L0S BIT(10)
#define PCIE_RC_CONFIG_LCS (PCIE_RC_CONFIG_BASE + 0xd0)
#define PCIE_EP_CONFIG_LCS (PCIE_EP_CONFIG_BASE + 0xd0)
+#define PCIE_RC_CONFIG_LCS_2 (PCIE_RC_CONFIG_BASE + 0xf0)
+#define PCIE_RC_CONFIG_LCS_2_TLS_25 BIT(0)
+#define PCIE_RC_CONFIG_LCS_2_TLS_50 BIT(1)
#define PCIE_RC_CONFIG_L1_SUBSTATE_CTRL2 (PCIE_RC_CONFIG_BASE + 0x90c)
#define PCIE_RC_CONFIG_THP_CAP (PCIE_RC_CONFIG_BASE + 0x274)
#define PCIE_RC_CONFIG_THP_CAP_NEXT_MASK GENMASK(31, 20)
--
2.49.0
next reply other threads:[~2025-06-07 11:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-07 11:00 Geraldo Nascimento [this message]
2025-06-10 20:07 ` [RFC PATCH 1/4] PCI: pcie-rockchip: add bits for Target Link Speed in LCS_2 Bjorn Helgaas
2025-06-10 20:09 ` Geraldo Nascimento
2025-06-11 3:46 ` Geraldo Nascimento
2025-06-11 3:59 ` Geraldo Nascimento
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