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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 10/12] PCI: dwc: Sync register definitions with Linux-5.4
Date: Wed, 27 Nov 2019 12:20:49 +0100	[thread overview]
Message-ID: <20191127112051.9427-11-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20191127112051.9427-1-s.hauer@pengutronix.de>

Update the dwc register definitions with Linux-5.4 to make further
syncinf with the Linux driver easier.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/pci/pcie-designware.h | 85 +++++++++++++++++++++--------------
 1 file changed, 51 insertions(+), 34 deletions(-)

diff --git a/drivers/pci/pcie-designware.h b/drivers/pci/pcie-designware.h
index 449c72aeaa..de20654e42 100644
--- a/drivers/pci/pcie-designware.h
+++ b/drivers/pci/pcie-designware.h
@@ -11,6 +11,8 @@
 #ifndef _PCIE_DESIGNWARE_H
 #define _PCIE_DESIGNWARE_H
 
+#include <linux/bitfield.h>
+
 /* Parameters for the waiting for link up routine */
 #define LINK_WAIT_MAX_RETRIES		10
 #define LINK_WAIT_USLEEP_MAX		100000
@@ -19,12 +21,14 @@
 #define LINK_WAIT_MAX_IATU_RETRIES     5
 #define LINK_WAIT_IATU_MAX             10000
 
-/* Synopsis specific PCIE configuration registers */
+/* Synopsys-specific PCIe configuration registers */
 #define PCIE_PORT_LINK_CONTROL		0x710
-#define PORT_LINK_MODE_MASK		(0x3f << 16)
-#define PORT_LINK_MODE_1_LANES		(0x1 << 16)
-#define PORT_LINK_MODE_2_LANES		(0x3 << 16)
-#define PORT_LINK_MODE_4_LANES		(0x7 << 16)
+#define PORT_LINK_MODE_MASK		GENMASK(21, 16)
+#define PORT_LINK_MODE(n)		FIELD_PREP(PORT_LINK_MODE_MASK, n)
+#define PORT_LINK_MODE_1_LANES		PORT_LINK_MODE(0x1)
+#define PORT_LINK_MODE_2_LANES		PORT_LINK_MODE(0x3)
+#define PORT_LINK_MODE_4_LANES		PORT_LINK_MODE(0x7)
+#define PORT_LINK_MODE_8_LANES		PORT_LINK_MODE(0xf)
 
 #define PCIE_PORT_DEBUG0		0x728
 #define PORT_LOGIC_LTSSM_STATE_MASK	0x1f
@@ -35,10 +39,12 @@
 
 #define PCIE_LINK_WIDTH_SPEED_CONTROL	0x80C
 #define PORT_LOGIC_SPEED_CHANGE		BIT(17)
-#define PORT_LOGIC_LINK_WIDTH_MASK	(0x1f << 8)
-#define PORT_LOGIC_LINK_WIDTH_1_LANES	(0x1 << 8)
-#define PORT_LOGIC_LINK_WIDTH_2_LANES	(0x2 << 8)
-#define PORT_LOGIC_LINK_WIDTH_4_LANES	(0x4 << 8)
+#define PORT_LOGIC_LINK_WIDTH_MASK	GENMASK(12, 8)
+#define PORT_LOGIC_LINK_WIDTH(n)	FIELD_PREP(PORT_LOGIC_LINK_WIDTH_MASK, n)
+#define PORT_LOGIC_LINK_WIDTH_1_LANES	PORT_LOGIC_LINK_WIDTH(0x1)
+#define PORT_LOGIC_LINK_WIDTH_2_LANES	PORT_LOGIC_LINK_WIDTH(0x2)
+#define PORT_LOGIC_LINK_WIDTH_4_LANES	PORT_LOGIC_LINK_WIDTH(0x4)
+#define PORT_LOGIC_LINK_WIDTH_8_LANES	PORT_LOGIC_LINK_WIDTH(0x8)
 
 #define PCIE_MSI_ADDR_LO		0x820
 #define PCIE_MSI_ADDR_HI		0x824
@@ -49,14 +55,14 @@
 #define PCIE_ATU_VIEWPORT		0x900
 #define PCIE_ATU_REGION_INBOUND		BIT(31)
 #define PCIE_ATU_REGION_OUTBOUND	0
-#define PCIE_ATU_REGION_INDEX2		(0x2 << 0)
-#define PCIE_ATU_REGION_INDEX1		(0x1 << 0)
-#define PCIE_ATU_REGION_INDEX0		(0x0 << 0)
+#define PCIE_ATU_REGION_INDEX2		0x2
+#define PCIE_ATU_REGION_INDEX1		0x1
+#define PCIE_ATU_REGION_INDEX0		0x0
 #define PCIE_ATU_CR1			0x904
-#define PCIE_ATU_TYPE_MEM		(0x0 << 0)
-#define PCIE_ATU_TYPE_IO		(0x2 << 0)
-#define PCIE_ATU_TYPE_CFG0		(0x4 << 0)
-#define PCIE_ATU_TYPE_CFG1		(0x5 << 0)
+#define PCIE_ATU_TYPE_MEM		0x0
+#define PCIE_ATU_TYPE_IO		0x2
+#define PCIE_ATU_TYPE_CFG0		0x4
+#define PCIE_ATU_TYPE_CFG1		0x5
 #define PCIE_ATU_CR2			0x908
 #define PCIE_ATU_ENABLE			BIT(31)
 #define PCIE_ATU_BAR_MODE_ENABLE	BIT(30)
@@ -64,19 +70,31 @@
 #define PCIE_ATU_UPPER_BASE		0x910
 #define PCIE_ATU_LIMIT			0x914
 #define PCIE_ATU_LOWER_TARGET		0x918
-#define PCIE_ATU_BUS(x)			(((x) & 0xff) << 24)
-#define PCIE_ATU_DEV(x)			(((x) & 0x1f) << 19)
-#define PCIE_ATU_FUNC(x)		(((x) & 0x7) << 16)
+#define PCIE_ATU_BUS(x)			FIELD_PREP(GENMASK(31, 24), x)
+#define PCIE_ATU_DEV(x)			FIELD_PREP(GENMASK(23, 19), x)
+#define PCIE_ATU_FUNC(x)		FIELD_PREP(GENMASK(18, 16), x)
 #define PCIE_ATU_UPPER_TARGET		0x91C
 
+#define PCIE_MISC_CONTROL_1_OFF		0x8BC
+#define PCIE_DBI_RO_WR_EN		BIT(0)
+
+#define PCIE_PL_CHK_REG_CONTROL_STATUS			0xB20
+#define PCIE_PL_CHK_REG_CHK_REG_START			BIT(0)
+#define PCIE_PL_CHK_REG_CHK_REG_CONTINUOUS		BIT(1)
+#define PCIE_PL_CHK_REG_CHK_REG_COMPARISON_ERROR	BIT(16)
+#define PCIE_PL_CHK_REG_CHK_REG_LOGIC_ERROR		BIT(17)
+#define PCIE_PL_CHK_REG_CHK_REG_COMPLETE		BIT(18)
+
+#define PCIE_PL_CHK_REG_ERR_ADDR			0xB28
+
 /*
  * iATU Unroll-specific register definitions
  * From 4.80 core version the address translation will be made by unroll
  */
 #define PCIE_ATU_UNR_REGION_CTRL1	0x00
 #define PCIE_ATU_UNR_REGION_CTRL2	0x04
-#define PCIE_ATU_UNR_LOWER_BASE	0x08
-#define PCIE_ATU_UNR_UPPER_BASE	0x0C
+#define PCIE_ATU_UNR_LOWER_BASE		0x08
+#define PCIE_ATU_UNR_UPPER_BASE		0x0C
 #define PCIE_ATU_UNR_LIMIT		0x10
 #define PCIE_ATU_UNR_LOWER_TARGET	0x14
 #define PCIE_ATU_UNR_UPPER_TARGET	0x18
@@ -90,22 +108,21 @@
 #define DEFAULT_DBI_ATU_OFFSET (0x3 << 20)
 
 /* Register address builder */
-#define PCIE_GET_ATU_OUTB_UNR_REG_OFFSET(region) ((region) << 9)
+#define PCIE_GET_ATU_OUTB_UNR_REG_OFFSET(region) \
+		((region) << 9)
 
-/* PCIe Port Logic registers */
-#define PLR_OFFSET                     0x700
-#define PCIE_PHY_DEBUG_R1              (PLR_OFFSET + 0x2c)
-#define PCIE_PHY_DEBUG_R1_LINK_UP      (0x1 << 4)
-#define PCIE_PHY_DEBUG_R1_LINK_IN_TRAINING     (0x1 << 29)
+#define PCIE_GET_ATU_INB_UNR_REG_OFFSET(region) \
+		(((region) << 9) | BIT(8))
 
-#define PCIE_MISC_CONTROL_1_OFF		0x8BC
-#define PCIE_DBI_RO_WR_EN		BIT(0)
+#define MAX_MSI_IRQS			256
+#define MAX_MSI_IRQS_PER_CTRL		32
+#define MAX_MSI_CTRLS			(MAX_MSI_IRQS / MAX_MSI_IRQS_PER_CTRL)
+#define MSI_REG_CTRL_BLOCK_SIZE		12
+#define MSI_DEF_NUM_VECTORS		32
 
-/* PCIe Port Logic registers */
-#define PLR_OFFSET                     0x700
-#define PCIE_PHY_DEBUG_R1              (PLR_OFFSET + 0x2c)
-#define PCIE_PHY_DEBUG_R1_LINK_UP      (0x1 << 4)
-#define PCIE_PHY_DEBUG_R1_LINK_IN_TRAINING     (0x1 << 29)
+/* Maximum number of inbound/outbound iATUs */
+#define MAX_IATU_IN			256
+#define MAX_IATU_OUT			256
 
 struct pcie_port;
 struct dw_pcie;
-- 
2.24.0


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  parent reply	other threads:[~2019-11-27 11:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-27 11:20 [PATCH 00/12] Designware PCIe updates and Layerscape support Sascha Hauer
2019-11-27 11:20 ` [PATCH 01/12] PCI: dwc: Don't hard-code DBI/ATU offset Sascha Hauer
2019-11-27 11:20 ` [PATCH 02/12] PCI: dwc: Make use of IS_ALIGNED() Sascha Hauer
2019-11-27 11:20 ` [PATCH 03/12] PCI: dwc: Add dw_pcie_disable_atu() Sascha Hauer
2019-11-27 11:20 ` [PATCH 04/12] PCI: dwc: Make use of BIT() in constant definitions Sascha Hauer
2019-11-27 11:20 ` [PATCH 05/12] PCI: dwc: Enable iATU unroll for endpoint too Sascha Hauer
2019-11-27 11:20 ` [PATCH 06/12] PCI: dwc: Fix ATU identification for designware version >= 4.80 Sascha Hauer
2019-11-27 11:20 ` [PATCH 07/12] PCI: dwc: imx6: Share PHY debug register definitions Sascha Hauer
2019-11-27 11:20 ` [PATCH 08/12] PCI: dwc: Cleanup DBI,ATU read and write APIs Sascha Hauer
2019-11-27 11:20 ` [PATCH 09/12] PCI: dwc: rename readl/writel_dbi ops to read/write_dbi Sascha Hauer
2019-11-27 11:20 ` Sascha Hauer [this message]
2019-11-27 11:20 ` [PATCH 11/12] PCI: dwc: Return directly when num-lanes is not found Sascha Hauer
2019-11-27 11:20 ` [PATCH 12/12] PCI: Add layerscape PCIe driver Sascha Hauer

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