#include "../../pci.h"
 #include "pcie-designware.h"
 
-#define PCIE20_PARF_SYS_CTRL                   0x00
+#define PARF_SYS_CTRL                          0x00
 #define MST_WAKEUP_EN                          BIT(13)
 #define SLV_WAKEUP_EN                          BIT(12)
 #define MSTR_ACLK_CGC_DIS                      BIT(10)
 #define L23_CLK_RMV_DIS                                BIT(2)
 #define L1_CLK_RMV_DIS                         BIT(1)
 
-#define PCIE20_PARF_PM_CTRL                    0x20
+#define PARF_PM_CTRL                           0x20
 #define REQ_NOT_ENTR_L1                                BIT(5)
 
-#define PCIE20_PARF_PHY_CTRL                   0x40
+#define PARF_PHY_CTRL                          0x40
 #define PHY_CTRL_PHY_TX0_TERM_OFFSET_MASK      GENMASK(20, 16)
 #define PHY_CTRL_PHY_TX0_TERM_OFFSET(x)                ((x) << 16)
 
-#define PCIE20_PARF_PHY_REFCLK                 0x4C
+#define PARF_PHY_REFCLK                                0x4C
 #define PHY_REFCLK_SSP_EN                      BIT(16)
 #define PHY_REFCLK_USE_PAD                     BIT(12)
 
-#define PCIE20_PARF_DBI_BASE_ADDR              0x168
-#define PCIE20_PARF_SLV_ADDR_SPACE_SIZE                0x16C
-#define PCIE20_PARF_MHI_CLOCK_RESET_CTRL       0x174
+#define PARF_DBI_BASE_ADDR                     0x168
+#define PARF_SLV_ADDR_SPACE_SIZE_2_3_3         0x16C /* Register offset specific to IP rev 2.3.3 */
+#define PARF_MHI_CLOCK_RESET_CTRL              0x174
 #define AHB_CLK_EN                             BIT(0)
 #define MSTR_AXI_CLK_EN                                BIT(1)
 #define BYPASS                                 BIT(4)
 
-#define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT      0x178
-#define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2   0x1A8
-#define PCIE20_PARF_LTSSM                      0x1B0
-#define PCIE20_PARF_SID_OFFSET                 0x234
-#define PCIE20_PARF_BDF_TRANSLATE_CFG          0x24C
-#define PCIE20_PARF_DEVICE_TYPE                        0x1000
-#define PCIE20_PARF_BDF_TO_SID_TABLE_N         0x2000
+#define PARF_AXI_MSTR_WR_ADDR_HALT             0x178
+#define PARF_AXI_MSTR_WR_ADDR_HALT_V2          0x1A8
+#define PARF_LTSSM                             0x1B0
+#define PARF_SID_OFFSET                                0x234
+#define PARF_BDF_TRANSLATE_CFG                 0x24C
+#define PARF_DEVICE_TYPE                       0x1000
+#define PARF_BDF_TO_SID_TABLE_N                        0x2000
 
-#define PCIE20_ELBI_SYS_CTRL                   0x04
-#define PCIE20_ELBI_SYS_CTRL_LT_ENABLE         BIT(0)
+#define ELBI_SYS_CTRL                          0x04
+#define ELBI_SYS_CTRL_LT_ENABLE                        BIT(0)
 
-#define PCIE20_AXI_MSTR_RESP_COMP_CTRL0                0x818
+#define AXI_MSTR_RESP_COMP_CTRL0               0x818
 #define CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K       0x4
 #define CFG_REMOTE_RD_REQ_BRIDGE_SIZE_4K       0x5
-#define PCIE20_AXI_MSTR_RESP_COMP_CTRL1                0x81c
+#define AXI_MSTR_RESP_COMP_CTRL1               0x81c
 #define CFG_BRIDGE_SB_INIT                     BIT(0)
 
 #define PCIE_CAP_SLOT_POWER_LIMIT_VAL          FIELD_PREP(PCI_EXP_SLTCAP_SPLV, \
                                                PCIE_CAP_SLOT_POWER_LIMIT_VAL | \
                                                PCIE_CAP_SLOT_POWER_LIMIT_SCALE)
 
-#define PCIE20_PARF_Q2A_FLUSH                  0x1AC
+#define PARF_Q2A_FLUSH                         0x1AC
 
-#define PCIE20_MISC_CONTROL_1_REG              0x8BC
+#define MISC_CONTROL_1_REG                     0x8BC
 #define DBI_RO_WR_EN                           1
 
 #define PERST_DELAY_US                         1000
 /* PARF registers */
-#define PCIE20_PARF_PCS_DEEMPH                 0x34
+#define PARF_PCS_DEEMPH                                0x34
 #define PCS_DEEMPH_TX_DEEMPH_GEN1(x)           ((x) << 16)
 #define PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(x)     ((x) << 8)
 #define PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(x)       ((x) << 0)
 
-#define PCIE20_PARF_PCS_SWING                  0x38
+#define PARF_PCS_SWING                         0x38
 #define PCS_SWING_TX_SWING_FULL(x)             ((x) << 8)
 #define PCS_SWING_TX_SWING_LOW(x)              ((x) << 0)
 
-#define PCIE20_PARF_CONFIG_BITS                0x50
+#define PARF_CONFIG_BITS                       0x50
 #define PHY_RX0_EQ(x)                          ((x) << 24)
 
-#define PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE     0x358
+#define PARF_SLV_ADDR_SPACE_SIZE               0x358
 #define SLV_ADDR_SPACE_SZ                      0x10000000
 
-#define PCIE20_LNK_CONTROL2_LINK_STATUS2       0xa0
-
 #define DEVICE_TYPE_RC                         0x4
 
 #define QCOM_PCIE_2_1_0_MAX_SUPPLY     3
        u32 val;
 
        /* enable link training */
-       val = readl(pcie->elbi + PCIE20_ELBI_SYS_CTRL);
-       val |= PCIE20_ELBI_SYS_CTRL_LT_ENABLE;
-       writel(val, pcie->elbi + PCIE20_ELBI_SYS_CTRL);
+       val = readl(pcie->elbi + ELBI_SYS_CTRL);
+       val |= ELBI_SYS_CTRL_LT_ENABLE;
+       writel(val, pcie->elbi + ELBI_SYS_CTRL);
 }
 
 static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie)
        reset_control_assert(res->ext_reset);
        reset_control_assert(res->phy_reset);
 
-       writel(1, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(1, pcie->parf + PARF_PHY_CTRL);
 
        regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
 }
        int ret;
 
        /* enable PCIe clocks and resets */
-       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val = readl(pcie->parf + PARF_PHY_CTRL);
        val &= ~BIT(0);
-       writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(val, pcie->parf + PARF_PHY_CTRL);
 
        ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
        if (ret)
                writel(PCS_DEEMPH_TX_DEEMPH_GEN1(24) |
                               PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(24) |
                               PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(34),
-                      pcie->parf + PCIE20_PARF_PCS_DEEMPH);
+                      pcie->parf + PARF_PCS_DEEMPH);
                writel(PCS_SWING_TX_SWING_FULL(120) |
                               PCS_SWING_TX_SWING_LOW(120),
-                      pcie->parf + PCIE20_PARF_PCS_SWING);
-               writel(PHY_RX0_EQ(4), pcie->parf + PCIE20_PARF_CONFIG_BITS);
+                      pcie->parf + PARF_PCS_SWING);
+               writel(PHY_RX0_EQ(4), pcie->parf + PARF_CONFIG_BITS);
        }
 
        if (of_device_is_compatible(node, "qcom,pcie-ipq8064")) {
                /* set TX termination offset */
-               val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+               val = readl(pcie->parf + PARF_PHY_CTRL);
                val &= ~PHY_CTRL_PHY_TX0_TERM_OFFSET_MASK;
                val |= PHY_CTRL_PHY_TX0_TERM_OFFSET(7);
-               writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+               writel(val, pcie->parf + PARF_PHY_CTRL);
        }
 
        /* enable external reference clock */
-       val = readl(pcie->parf + PCIE20_PARF_PHY_REFCLK);
+       val = readl(pcie->parf + PARF_PHY_REFCLK);
        /* USE_PAD is required only for ipq806x */
        if (!of_device_is_compatible(node, "qcom,pcie-apq8064"))
                val &= ~PHY_REFCLK_USE_PAD;
        val |= PHY_REFCLK_SSP_EN;
-       writel(val, pcie->parf + PCIE20_PARF_PHY_REFCLK);
+       writel(val, pcie->parf + PARF_PHY_REFCLK);
 
        /* wait for clock acquisition */
        usleep_range(1000, 1500);
 
        /* Set the Max TLP size to 2K, instead of using default of 4K */
        writel(CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K,
-              pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL0);
+              pci->dbi_base + AXI_MSTR_RESP_COMP_CTRL0);
        writel(CFG_BRIDGE_SB_INIT,
-              pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL1);
+              pci->dbi_base + AXI_MSTR_RESP_COMP_CTRL1);
 
        return 0;
 }
 static int qcom_pcie_post_init_1_0_0(struct qcom_pcie *pcie)
 {
        /* change DBI base address */
-       writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+       writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
 
        if (IS_ENABLED(CONFIG_PCI_MSI)) {
-               u32 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
+               u32 val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT);
 
                val |= BIT(31);
-               writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
+               writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT);
        }
 
        return 0;
        u32 val;
 
        /* enable link training */
-       val = readl(pcie->parf + PCIE20_PARF_LTSSM);
+       val = readl(pcie->parf + PARF_LTSSM);
        val |= BIT(8);
-       writel(val, pcie->parf + PCIE20_PARF_LTSSM);
+       writel(val, pcie->parf + PARF_LTSSM);
 }
 
 static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie)
        u32 val;
 
        /* enable PCIe clocks and resets */
-       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val = readl(pcie->parf + PARF_PHY_CTRL);
        val &= ~BIT(0);
-       writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(val, pcie->parf + PARF_PHY_CTRL);
 
        /* change DBI base address */
-       writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+       writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
 
        /* MAC PHY_POWERDOWN MUX DISABLE  */
-       val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
+       val = readl(pcie->parf + PARF_SYS_CTRL);
        val &= ~BIT(29);
-       writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
+       writel(val, pcie->parf + PARF_SYS_CTRL);
 
-       val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+       val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
        val |= BIT(4);
-       writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+       writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
 
-       val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
+       val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
        val |= BIT(31);
-       writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
+       writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
 
        return 0;
 }
        u32 val;
 
        /* enable PCIe clocks and resets */
-       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val = readl(pcie->parf + PARF_PHY_CTRL);
        val &= ~BIT(0);
-       writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(val, pcie->parf + PARF_PHY_CTRL);
 
        /* change DBI base address */
-       writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+       writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
 
        /* MAC PHY_POWERDOWN MUX DISABLE  */
-       val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
+       val = readl(pcie->parf + PARF_SYS_CTRL);
        val &= ~BIT(29);
-       writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
+       writel(val, pcie->parf + PARF_SYS_CTRL);
 
-       val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+       val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
        val |= BIT(4);
-       writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+       writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
 
-       val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
+       val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
        val |= BIT(31);
-       writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
+       writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
 
        return 0;
 }
        u32 val;
 
        writel(SLV_ADDR_SPACE_SZ,
-               pcie->parf + PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE);
+               pcie->parf + PARF_SLV_ADDR_SPACE_SIZE_2_3_3);
 
-       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val = readl(pcie->parf + PARF_PHY_CTRL);
        val &= ~BIT(0);
-       writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(val, pcie->parf + PARF_PHY_CTRL);
 
-       writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+       writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
 
        writel(MST_WAKEUP_EN | SLV_WAKEUP_EN | MSTR_ACLK_CGC_DIS
                | SLV_ACLK_CGC_DIS | CORE_CLK_CGC_DIS |
                AUX_PWR_DET | L23_CLK_RMV_DIS | L1_CLK_RMV_DIS,
-               pcie->parf + PCIE20_PARF_SYS_CTRL);
-       writel(0, pcie->parf + PCIE20_PARF_Q2A_FLUSH);
+               pcie->parf + PARF_SYS_CTRL);
+       writel(0, pcie->parf + PARF_Q2A_FLUSH);
 
        writel(PCI_COMMAND_MASTER, pci->dbi_base + PCI_COMMAND);
-       writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG);
+       writel(DBI_RO_WR_EN, pci->dbi_base + MISC_CONTROL_1_REG);
        writel(PCIE_CAP_SLOT_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP);
 
        val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP);
        usleep_range(1000, 1500);
 
        /* configure PCIe to RC mode */
-       writel(DEVICE_TYPE_RC, pcie->parf + PCIE20_PARF_DEVICE_TYPE);
+       writel(DEVICE_TYPE_RC, pcie->parf + PARF_DEVICE_TYPE);
 
        /* enable PCIe clocks and resets */
-       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val = readl(pcie->parf + PARF_PHY_CTRL);
        val &= ~BIT(0);
-       writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(val, pcie->parf + PARF_PHY_CTRL);
 
        /* change DBI base address */
-       writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+       writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
 
        /* MAC PHY_POWERDOWN MUX DISABLE  */
-       val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
+       val = readl(pcie->parf + PARF_SYS_CTRL);
        val &= ~BIT(29);
-       writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
+       writel(val, pcie->parf + PARF_SYS_CTRL);
 
-       val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+       val = readl(pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
        val |= BIT(4);
-       writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+       writel(val, pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
 
        /* Enable L1 and L1SS */
-       val = readl(pcie->parf + PCIE20_PARF_PM_CTRL);
+       val = readl(pcie->parf + PARF_PM_CTRL);
        val &= ~REQ_NOT_ENTR_L1;
-       writel(val, pcie->parf + PCIE20_PARF_PM_CTRL);
+       writel(val, pcie->parf + PARF_PM_CTRL);
 
-       val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
+       val = readl(pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
        val |= BIT(31);
-       writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
+       writel(val, pcie->parf + PARF_AXI_MSTR_WR_ADDR_HALT_V2);
 
        return 0;
 err_disable_clocks:
        int i;
 
        writel(SLV_ADDR_SPACE_SZ,
-               pcie->parf + PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE);
+               pcie->parf + PARF_SLV_ADDR_SPACE_SIZE);
 
-       val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
+       val = readl(pcie->parf + PARF_PHY_CTRL);
        val &= ~BIT(0);
-       writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
+       writel(val, pcie->parf + PARF_PHY_CTRL);
 
-       writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
+       writel(0, pcie->parf + PARF_DBI_BASE_ADDR);
 
-       writel(DEVICE_TYPE_RC, pcie->parf + PCIE20_PARF_DEVICE_TYPE);
+       writel(DEVICE_TYPE_RC, pcie->parf + PARF_DEVICE_TYPE);
        writel(BYPASS | MSTR_AXI_CLK_EN | AHB_CLK_EN,
-               pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
+               pcie->parf + PARF_MHI_CLOCK_RESET_CTRL);
        writel(GEN3_RELATED_OFF_RXEQ_RGRDLESS_RXTS |
                GEN3_RELATED_OFF_GEN3_ZRXDC_NONCOMPL,
                pci->dbi_base + GEN3_RELATED_OFF);
        writel(MST_WAKEUP_EN | SLV_WAKEUP_EN | MSTR_ACLK_CGC_DIS |
                SLV_ACLK_CGC_DIS | CORE_CLK_CGC_DIS |
                AUX_PWR_DET | L23_CLK_RMV_DIS | L1_CLK_RMV_DIS,
-               pcie->parf + PCIE20_PARF_SYS_CTRL);
+               pcie->parf + PARF_SYS_CTRL);
 
-       writel(0, pcie->parf + PCIE20_PARF_Q2A_FLUSH);
+       writel(0, pcie->parf + PARF_Q2A_FLUSH);
 
        dw_pcie_dbi_ro_wr_en(pci);
        writel(PCIE_CAP_SLOT_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP);
                        PCI_EXP_DEVCTL2);
 
        for (i = 0; i < 256; i++)
-               writel(0, pcie->parf + PCIE20_PARF_BDF_TO_SID_TABLE_N + (4 * i));
+               writel(0, pcie->parf + PARF_BDF_TO_SID_TABLE_N + (4 * i));
 
        return 0;
 }
                u32 smmu_sid;
                u32 smmu_sid_len;
        } *map;
-       void __iomem *bdf_to_sid_base = pcie->parf + PCIE20_PARF_BDF_TO_SID_TABLE_N;
+       void __iomem *bdf_to_sid_base = pcie->parf + PARF_BDF_TO_SID_TABLE_N;
        struct device *dev = pcie->pci->dev;
        u8 qcom_pcie_crc8_table[CRC8_TABLE_SIZE];
        int i, nr_map, size = 0;