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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



WARNING: multiple messages have this Message-ID (diff)
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


-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

WARNING: multiple messages have this Message-ID (diff)
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


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

             reply	other threads:[~2025-06-07 11:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-07 11:00 Geraldo Nascimento [this message]
2025-06-07 11:00 ` [RFC PATCH 1/4] PCI: pcie-rockchip: add bits for Target Link Speed in LCS_2 Geraldo Nascimento
2025-06-07 11:00 ` Geraldo Nascimento
2025-06-10 20:07 ` Bjorn Helgaas
2025-06-10 20:07   ` Bjorn Helgaas
2025-06-10 20:07   ` Bjorn Helgaas
2025-06-10 20:09   ` Geraldo Nascimento
2025-06-10 20:09     ` Geraldo Nascimento
2025-06-10 20:09     ` Geraldo Nascimento
2025-06-11  3:46   ` Geraldo Nascimento
2025-06-11  3:46     ` Geraldo Nascimento
2025-06-11  3:46     ` Geraldo Nascimento
2025-06-11  3:59     ` Geraldo Nascimento
2025-06-11  3:59       ` Geraldo Nascimento
2025-06-11  3:59       ` Geraldo Nascimento

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