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authorSascha Hauer <s.hauer@pengutronix.de>2019-11-25 12:08:37 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-11-27 12:17:34 +0100
commitcbd3f218fd4326ffe22a9e967b2060c0dcc7ea2c (patch)
tree40e288c4c083bb38d9a6fe5dc2722976ab356ab9 /drivers
parent4a6134dfcbd508b601361633a13fafe4ef957caa (diff)
downloadbarebox-cbd3f218fd4326ffe22a9e967b2060c0dcc7ea2c.tar.gz
barebox-cbd3f218fd4326ffe22a9e967b2060c0dcc7ea2c.tar.xz
PCI: dwc: Sync register definitions with Linux-5.4
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/pcie-designware.h85
1 files 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;