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From: Minda Chen <minda.chen@starfivetech.com>
To: Conor Dooley <conor@kernel.org>,
	=?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= <kw@linux.com>,
	Rob Herring <robh+dt@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Daire McNamara <daire.mcnamara@microchip.com>,
	Emil Renner Berthing <emil.renner.berthing@canonical.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org,
	linux-pci@vger.kernel.org,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Mason Huo <mason.huo@starfivetech.com>,
	Leyfoon Tan <leyfoon.tan@starfivetech.com>,
	Kevin Xie <kevin.xie@starfivetech.com>,
	Minda Chen <minda.chen@starfivetech.com>
Subject: [PATCH v15 03/23] PCI: microchip: Move PLDA IP register macros to pcie-plda.h
Date: Sun, 18 Feb 2024 18:17:22 +0800
Message-Id: <20240218101732.113397-2-minda.chen@starfivetech.com>
In-Reply-To: <20240218101732.113397-1-minda.chen@starfivetech.com>
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Move PLDA PCIe host controller IP registers macros to pcie-plda.h,
including bridge registers and PLDA IRQ event number.

Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
 MAINTAINERS                                   |   8 ++
 .../pci/controller/plda/pcie-microchip-host.c | 108 +++---------------
 drivers/pci/controller/plda/pcie-plda.h       | 108 ++++++++++++++++++
 3 files changed, 132 insertions(+), 92 deletions(-)
 create mode 100644 drivers/pci/controller/plda/pcie-plda.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 2c28fb28270e..9c2132fa6f26 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16808,6 +16808,14 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/pci/layerscape-pcie-gen4.txt
 F:	drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c
 
+PCI DRIVER FOR PLDA PCIE IP
+M:	Daire McNamara <daire.mcnamara@microchip.com>
+M:	Kevin Xie <kevin.xie@starfivetech.com>
+L:	linux-pci@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/pci/plda,*
+F:	drivers/pci/controller/plda/*plda*
+
 PCI DRIVER FOR RENESAS R-CAR
 M:	Marek Vasut <marek.vasut+renesas@gmail.com>
 M:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
index cb09a8137e25..d9030d550482 100644
--- a/drivers/pci/controller/plda/pcie-microchip-host.c
+++ b/drivers/pci/controller/plda/pcie-microchip-host.c
@@ -19,6 +19,7 @@
 #include <linux/platform_device.h>
 
 #include "../../pci.h"
+#include "pcie-plda.h"
 
 /* Number of MSI IRQs */
 #define MC_MAX_NUM_MSI_IRQS			32
@@ -30,84 +31,6 @@
 #define MC_PCIE_BRIDGE_ADDR			(MC_PCIE1_BRIDGE_ADDR)
 #define MC_PCIE_CTRL_ADDR			(MC_PCIE1_CTRL_ADDR)
 
-/* PCIe Bridge Phy Regs */
-#define PCIE_PCI_IRQ_DW0			0xa8
-#define  MSIX_CAP_MASK				BIT(31)
-#define  NUM_MSI_MSGS_MASK			GENMASK(6, 4)
-#define  NUM_MSI_MSGS_SHIFT			4
-
-#define IMASK_LOCAL				0x180
-#define  DMA_END_ENGINE_0_MASK			0x00000000u
-#define  DMA_END_ENGINE_0_SHIFT			0
-#define  DMA_END_ENGINE_1_MASK			0x00000000u
-#define  DMA_END_ENGINE_1_SHIFT			1
-#define  DMA_ERROR_ENGINE_0_MASK		0x00000100u
-#define  DMA_ERROR_ENGINE_0_SHIFT		8
-#define  DMA_ERROR_ENGINE_1_MASK		0x00000200u
-#define  DMA_ERROR_ENGINE_1_SHIFT		9
-#define  A_ATR_EVT_POST_ERR_MASK		0x00010000u
-#define  A_ATR_EVT_POST_ERR_SHIFT		16
-#define  A_ATR_EVT_FETCH_ERR_MASK		0x00020000u
-#define  A_ATR_EVT_FETCH_ERR_SHIFT		17
-#define  A_ATR_EVT_DISCARD_ERR_MASK		0x00040000u
-#define  A_ATR_EVT_DISCARD_ERR_SHIFT		18
-#define  A_ATR_EVT_DOORBELL_MASK		0x00000000u
-#define  A_ATR_EVT_DOORBELL_SHIFT		19
-#define  P_ATR_EVT_POST_ERR_MASK		0x00100000u
-#define  P_ATR_EVT_POST_ERR_SHIFT		20
-#define  P_ATR_EVT_FETCH_ERR_MASK		0x00200000u
-#define  P_ATR_EVT_FETCH_ERR_SHIFT		21
-#define  P_ATR_EVT_DISCARD_ERR_MASK		0x00400000u
-#define  P_ATR_EVT_DISCARD_ERR_SHIFT		22
-#define  P_ATR_EVT_DOORBELL_MASK		0x00000000u
-#define  P_ATR_EVT_DOORBELL_SHIFT		23
-#define  PM_MSI_INT_INTA_MASK			0x01000000u
-#define  PM_MSI_INT_INTA_SHIFT			24
-#define  PM_MSI_INT_INTB_MASK			0x02000000u
-#define  PM_MSI_INT_INTB_SHIFT			25
-#define  PM_MSI_INT_INTC_MASK			0x04000000u
-#define  PM_MSI_INT_INTC_SHIFT			26
-#define  PM_MSI_INT_INTD_MASK			0x08000000u
-#define  PM_MSI_INT_INTD_SHIFT			27
-#define  PM_MSI_INT_INTX_MASK			0x0f000000u
-#define  PM_MSI_INT_INTX_SHIFT			24
-#define  PM_MSI_INT_MSI_MASK			0x10000000u
-#define  PM_MSI_INT_MSI_SHIFT			28
-#define  PM_MSI_INT_AER_EVT_MASK		0x20000000u
-#define  PM_MSI_INT_AER_EVT_SHIFT		29
-#define  PM_MSI_INT_EVENTS_MASK			0x40000000u
-#define  PM_MSI_INT_EVENTS_SHIFT		30
-#define  PM_MSI_INT_SYS_ERR_MASK		0x80000000u
-#define  PM_MSI_INT_SYS_ERR_SHIFT		31
-#define  NUM_LOCAL_EVENTS			15
-#define ISTATUS_LOCAL				0x184
-#define IMASK_HOST				0x188
-#define ISTATUS_HOST				0x18c
-#define IMSI_ADDR				0x190
-#define ISTATUS_MSI				0x194
-
-/* PCIe Master table init defines */
-#define ATR0_PCIE_WIN0_SRCADDR_PARAM		0x600u
-#define  ATR0_PCIE_ATR_SIZE			0x25
-#define  ATR0_PCIE_ATR_SIZE_SHIFT		1
-#define ATR0_PCIE_WIN0_SRC_ADDR			0x604u
-#define ATR0_PCIE_WIN0_TRSL_ADDR_LSB		0x608u
-#define ATR0_PCIE_WIN0_TRSL_ADDR_UDW		0x60cu
-#define ATR0_PCIE_WIN0_TRSL_PARAM		0x610u
-
-/* PCIe AXI slave table init defines */
-#define ATR0_AXI4_SLV0_SRCADDR_PARAM		0x800u
-#define  ATR_SIZE_SHIFT				1
-#define  ATR_IMPL_ENABLE			1
-#define ATR0_AXI4_SLV0_SRC_ADDR			0x804u
-#define ATR0_AXI4_SLV0_TRSL_ADDR_LSB		0x808u
-#define ATR0_AXI4_SLV0_TRSL_ADDR_UDW		0x80cu
-#define ATR0_AXI4_SLV0_TRSL_PARAM		0x810u
-#define  PCIE_TX_RX_INTERFACE			0x00000000u
-#define  PCIE_CONFIG_INTERFACE			0x00000001u
-
-#define ATR_ENTRY_SIZE				32
-
 /* PCIe Controller Phy Regs */
 #define SEC_ERROR_EVENT_CNT			0x20
 #define DED_ERROR_EVENT_CNT			0x24
@@ -179,20 +102,21 @@
 #define EVENT_LOCAL_DMA_END_ENGINE_1		12
 #define EVENT_LOCAL_DMA_ERROR_ENGINE_0		13
 #define EVENT_LOCAL_DMA_ERROR_ENGINE_1		14
-#define EVENT_LOCAL_A_ATR_EVT_POST_ERR		15
-#define EVENT_LOCAL_A_ATR_EVT_FETCH_ERR		16
-#define EVENT_LOCAL_A_ATR_EVT_DISCARD_ERR	17
-#define EVENT_LOCAL_A_ATR_EVT_DOORBELL		18
-#define EVENT_LOCAL_P_ATR_EVT_POST_ERR		19
-#define EVENT_LOCAL_P_ATR_EVT_FETCH_ERR		20
-#define EVENT_LOCAL_P_ATR_EVT_DISCARD_ERR	21
-#define EVENT_LOCAL_P_ATR_EVT_DOORBELL		22
-#define EVENT_LOCAL_PM_MSI_INT_INTX		23
-#define EVENT_LOCAL_PM_MSI_INT_MSI		24
-#define EVENT_LOCAL_PM_MSI_INT_AER_EVT		25
-#define EVENT_LOCAL_PM_MSI_INT_EVENTS		26
-#define EVENT_LOCAL_PM_MSI_INT_SYS_ERR		27
-#define NUM_EVENTS				28
+#define NUM_MC_EVENTS				15
+#define EVENT_LOCAL_A_ATR_EVT_POST_ERR		(NUM_MC_EVENTS + PLDA_AXI_POST_ERR)
+#define EVENT_LOCAL_A_ATR_EVT_FETCH_ERR		(NUM_MC_EVENTS + PLDA_AXI_FETCH_ERR)
+#define EVENT_LOCAL_A_ATR_EVT_DISCARD_ERR	(NUM_MC_EVENTS + PLDA_AXI_DISCARD_ERR)
+#define EVENT_LOCAL_A_ATR_EVT_DOORBELL		(NUM_MC_EVENTS + PLDA_AXI_DOORBELL)
+#define EVENT_LOCAL_P_ATR_EVT_POST_ERR		(NUM_MC_EVENTS + PLDA_PCIE_POST_ERR)
+#define EVENT_LOCAL_P_ATR_EVT_FETCH_ERR		(NUM_MC_EVENTS + PLDA_PCIE_FETCH_ERR)
+#define EVENT_LOCAL_P_ATR_EVT_DISCARD_ERR	(NUM_MC_EVENTS + PLDA_PCIE_DISCARD_ERR)
+#define EVENT_LOCAL_P_ATR_EVT_DOORBELL		(NUM_MC_EVENTS + PLDA_PCIE_DOORBELL)
+#define EVENT_LOCAL_PM_MSI_INT_INTX		(NUM_MC_EVENTS + PLDA_INTX)
+#define EVENT_LOCAL_PM_MSI_INT_MSI		(NUM_MC_EVENTS + PLDA_MSI)
+#define EVENT_LOCAL_PM_MSI_INT_AER_EVT		(NUM_MC_EVENTS + PLDA_AER_EVENT)
+#define EVENT_LOCAL_PM_MSI_INT_EVENTS		(NUM_MC_EVENTS + PLDA_MISC_EVENTS)
+#define EVENT_LOCAL_PM_MSI_INT_SYS_ERR		(NUM_MC_EVENTS + PLDA_SYS_ERR)
+#define NUM_EVENTS				(NUM_MC_EVENTS + PLDA_INT_EVENT_NUM)
 
 #define PCIE_EVENT_CAUSE(x, s)	\
 	[EVENT_PCIE_ ## x] = { __stringify(x), s }
diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
new file mode 100644
index 000000000000..65e0f3b72184
--- /dev/null
+++ b/drivers/pci/controller/plda/pcie-plda.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * PLDA PCIe host controller driver
+ */
+
+#ifndef _PCIE_PLDA_H
+#define _PCIE_PLDA_H
+
+/* PCIe Bridge Phy Regs */
+#define PCIE_PCI_IRQ_DW0			0xa8
+#define  MSIX_CAP_MASK				BIT(31)
+#define  NUM_MSI_MSGS_MASK			GENMASK(6, 4)
+#define  NUM_MSI_MSGS_SHIFT			4
+
+#define IMASK_LOCAL				0x180
+#define  DMA_END_ENGINE_0_MASK			0x00000000u
+#define  DMA_END_ENGINE_0_SHIFT			0
+#define  DMA_END_ENGINE_1_MASK			0x00000000u
+#define  DMA_END_ENGINE_1_SHIFT			1
+#define  DMA_ERROR_ENGINE_0_MASK		0x00000100u
+#define  DMA_ERROR_ENGINE_0_SHIFT		8
+#define  DMA_ERROR_ENGINE_1_MASK		0x00000200u
+#define  DMA_ERROR_ENGINE_1_SHIFT		9
+#define  A_ATR_EVT_POST_ERR_MASK		0x00010000u
+#define  A_ATR_EVT_POST_ERR_SHIFT		16
+#define  A_ATR_EVT_FETCH_ERR_MASK		0x00020000u
+#define  A_ATR_EVT_FETCH_ERR_SHIFT		17
+#define  A_ATR_EVT_DISCARD_ERR_MASK		0x00040000u
+#define  A_ATR_EVT_DISCARD_ERR_SHIFT		18
+#define  A_ATR_EVT_DOORBELL_MASK		0x00000000u
+#define  A_ATR_EVT_DOORBELL_SHIFT		19
+#define  P_ATR_EVT_POST_ERR_MASK		0x00100000u
+#define  P_ATR_EVT_POST_ERR_SHIFT		20
+#define  P_ATR_EVT_FETCH_ERR_MASK		0x00200000u
+#define  P_ATR_EVT_FETCH_ERR_SHIFT		21
+#define  P_ATR_EVT_DISCARD_ERR_MASK		0x00400000u
+#define  P_ATR_EVT_DISCARD_ERR_SHIFT		22
+#define  P_ATR_EVT_DOORBELL_MASK		0x00000000u
+#define  P_ATR_EVT_DOORBELL_SHIFT		23
+#define  PM_MSI_INT_INTA_MASK			0x01000000u
+#define  PM_MSI_INT_INTA_SHIFT			24
+#define  PM_MSI_INT_INTB_MASK			0x02000000u
+#define  PM_MSI_INT_INTB_SHIFT			25
+#define  PM_MSI_INT_INTC_MASK			0x04000000u
+#define  PM_MSI_INT_INTC_SHIFT			26
+#define  PM_MSI_INT_INTD_MASK			0x08000000u
+#define  PM_MSI_INT_INTD_SHIFT			27
+#define  PM_MSI_INT_INTX_MASK			0x0f000000u
+#define  PM_MSI_INT_INTX_SHIFT			24
+#define  PM_MSI_INT_MSI_MASK			0x10000000u
+#define  PM_MSI_INT_MSI_SHIFT			28
+#define  PM_MSI_INT_AER_EVT_MASK		0x20000000u
+#define  PM_MSI_INT_AER_EVT_SHIFT		29
+#define  PM_MSI_INT_EVENTS_MASK			0x40000000u
+#define  PM_MSI_INT_EVENTS_SHIFT		30
+#define  PM_MSI_INT_SYS_ERR_MASK		0x80000000u
+#define  PM_MSI_INT_SYS_ERR_SHIFT		31
+#define  NUM_LOCAL_EVENTS			15
+#define ISTATUS_LOCAL				0x184
+#define IMASK_HOST				0x188
+#define ISTATUS_HOST				0x18c
+#define IMSI_ADDR				0x190
+#define ISTATUS_MSI				0x194
+
+/* PCIe Master table init defines */
+#define ATR0_PCIE_WIN0_SRCADDR_PARAM		0x600u
+#define  ATR0_PCIE_ATR_SIZE			0x25
+#define  ATR0_PCIE_ATR_SIZE_SHIFT		1
+#define ATR0_PCIE_WIN0_SRC_ADDR			0x604u
+#define ATR0_PCIE_WIN0_TRSL_ADDR_LSB		0x608u
+#define ATR0_PCIE_WIN0_TRSL_ADDR_UDW		0x60cu
+#define ATR0_PCIE_WIN0_TRSL_PARAM		0x610u
+
+/* PCIe AXI slave table init defines */
+#define ATR0_AXI4_SLV0_SRCADDR_PARAM		0x800u
+#define  ATR_SIZE_SHIFT				1
+#define  ATR_IMPL_ENABLE			1
+#define ATR0_AXI4_SLV0_SRC_ADDR			0x804u
+#define ATR0_AXI4_SLV0_TRSL_ADDR_LSB		0x808u
+#define ATR0_AXI4_SLV0_TRSL_ADDR_UDW		0x80cu
+#define ATR0_AXI4_SLV0_TRSL_PARAM		0x810u
+#define  PCIE_TX_RX_INTERFACE			0x00000000u
+#define  PCIE_CONFIG_INTERFACE			0x00000001u
+
+#define ATR_ENTRY_SIZE				32
+
+enum plda_int_event {
+	PLDA_AXI_POST_ERR,
+	PLDA_AXI_FETCH_ERR,
+	PLDA_AXI_DISCARD_ERR,
+	PLDA_AXI_DOORBELL,
+	PLDA_PCIE_POST_ERR,
+	PLDA_PCIE_FETCH_ERR,
+	PLDA_PCIE_DISCARD_ERR,
+	PLDA_PCIE_DOORBELL,
+	PLDA_INTX,
+	PLDA_MSI,
+	PLDA_AER_EVENT,
+	PLDA_MISC_EVENTS,
+	PLDA_SYS_ERR,
+	PLDA_INT_EVENT_NUM
+};
+
+#define PLDA_NUM_DMA_EVENTS			16
+
+#define PLDA_MAX_EVENT_NUM			(PLDA_NUM_DMA_EVENTS + PLDA_INT_EVENT_NUM)
+
+#endif
-- 
2.17.1