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@@ -14,6 +14,77 @@
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#ifndef _PCIE_DESIGNWARE_H
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#define _PCIE_DESIGNWARE_H
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+/* Parameters for the waiting for link up routine */
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+#define LINK_WAIT_MAX_RETRIES 10
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+#define LINK_WAIT_USLEEP_MIN 90000
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+#define LINK_WAIT_USLEEP_MAX 100000
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+
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+/* Parameters for the waiting for iATU enabled routine */
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+#define LINK_WAIT_MAX_IATU_RETRIES 5
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+#define LINK_WAIT_IATU_MIN 9000
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+#define LINK_WAIT_IATU_MAX 10000
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+
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+/* Synopsys-specific PCIe configuration registers */
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+#define PCIE_PORT_LINK_CONTROL 0x710
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+#define PORT_LINK_MODE_MASK (0x3f << 16)
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+#define PORT_LINK_MODE_1_LANES (0x1 << 16)
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+#define PORT_LINK_MODE_2_LANES (0x3 << 16)
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+#define PORT_LINK_MODE_4_LANES (0x7 << 16)
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+#define PORT_LINK_MODE_8_LANES (0xf << 16)
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+
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+#define PCIE_LINK_WIDTH_SPEED_CONTROL 0x80C
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+#define PORT_LOGIC_SPEED_CHANGE (0x1 << 17)
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+#define PORT_LOGIC_LINK_WIDTH_MASK (0x1f << 8)
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+#define PORT_LOGIC_LINK_WIDTH_1_LANES (0x1 << 8)
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+#define PORT_LOGIC_LINK_WIDTH_2_LANES (0x2 << 8)
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+#define PORT_LOGIC_LINK_WIDTH_4_LANES (0x4 << 8)
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+#define PORT_LOGIC_LINK_WIDTH_8_LANES (0x8 << 8)
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+
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+#define PCIE_MSI_ADDR_LO 0x820
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+#define PCIE_MSI_ADDR_HI 0x824
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+#define PCIE_MSI_INTR0_ENABLE 0x828
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+#define PCIE_MSI_INTR0_MASK 0x82C
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+#define PCIE_MSI_INTR0_STATUS 0x830
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+
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+#define PCIE_ATU_VIEWPORT 0x900
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+#define PCIE_ATU_REGION_INBOUND (0x1 << 31)
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+#define PCIE_ATU_REGION_OUTBOUND (0x0 << 31)
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+#define PCIE_ATU_REGION_INDEX2 (0x2 << 0)
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+#define PCIE_ATU_REGION_INDEX1 (0x1 << 0)
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+#define PCIE_ATU_REGION_INDEX0 (0x0 << 0)
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+#define PCIE_ATU_CR1 0x904
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+#define PCIE_ATU_TYPE_MEM (0x0 << 0)
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+#define PCIE_ATU_TYPE_IO (0x2 << 0)
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+#define PCIE_ATU_TYPE_CFG0 (0x4 << 0)
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+#define PCIE_ATU_TYPE_CFG1 (0x5 << 0)
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+#define PCIE_ATU_CR2 0x908
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+#define PCIE_ATU_ENABLE (0x1 << 31)
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+#define PCIE_ATU_BAR_MODE_ENABLE (0x1 << 30)
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+#define PCIE_ATU_LOWER_BASE 0x90C
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+#define PCIE_ATU_UPPER_BASE 0x910
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+#define PCIE_ATU_LIMIT 0x914
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+#define PCIE_ATU_LOWER_TARGET 0x918
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+#define PCIE_ATU_BUS(x) (((x) & 0xff) << 24)
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+#define PCIE_ATU_DEV(x) (((x) & 0x1f) << 19)
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+#define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16)
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+#define PCIE_ATU_UPPER_TARGET 0x91C
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+
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+/*
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+ * iATU Unroll-specific register definitions
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+ * From 4.80 core version the address translation will be made by unroll
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+ */
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+#define PCIE_ATU_UNR_REGION_CTRL1 0x00
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+#define PCIE_ATU_UNR_REGION_CTRL2 0x04
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+#define PCIE_ATU_UNR_LOWER_BASE 0x08
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+#define PCIE_ATU_UNR_UPPER_BASE 0x0C
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+#define PCIE_ATU_UNR_LIMIT 0x10
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+#define PCIE_ATU_UNR_LOWER_TARGET 0x14
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+#define PCIE_ATU_UNR_UPPER_TARGET 0x18
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+
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+/* Register address builder */
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+#define PCIE_GET_ATU_OUTB_UNR_REG_OFFSET(region) \
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+ ((0x3 << 20) | ((region) << 9))
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+
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/*
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* Maximum number of MSI IRQs can be 256 per controller. But keep
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* it 32 as of now. Probably we will never need more than 32. If needed,
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