PCI: cadence: Use common TLP type macros

The Cadence HPA driver uses hardcoded constants (0x0, 0x2, 0x4, 0x5,
0x10) to program the outbound region type. Replace them with the newly
introduced common TLP type macros from pci.h for better readability
and maintainability.

Signed-off-by: Hans Zhang <18255117159@163.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20260516153657.65214-4-18255117159@163.com

Author: Hans Zhang

drivers/pci/controller/cadence/pcie-cadence-hpa-regs.h

@@ -14,6 +14,8 @@
 #include <linux/phy/phy.h>
 #include <linux/bitfield.h>
 
+#include "../../pci.h"
+
 /* High Performance Architecture (HPA) PCIe controller registers */
 #define CDNS_PCIE_HPA_IP_REG_BANK		0x01000000
 #define CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK	0x01003C00
@@ -119,15 +121,15 @@
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0(r)                (0x1008 + ((r) & 0x1F) * 0x0080)
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK         GENMASK(28, 24)
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MEM  \
-	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x0)
+	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, PCIE_TLP_TYPE_MEM_RDWR)
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_IO   \
-	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x2)
+	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, PCIE_TLP_TYPE_IO_RDWR)
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_CONF_TYPE0  \
-	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x4)
+	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, PCIE_TLP_TYPE_CFG0_RDWR)
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_CONF_TYPE1  \
-	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x5)
+	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, PCIE_TLP_TYPE_CFG1_RDWR)
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_NORMAL_MSG  \
-	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x10)
+	FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, PCIE_TLP_TYPE_MSG)
 
 /* Region r Outbound PCIe Descriptor Register */
 #define CDNS_PCIE_HPA_AT_OB_REGION_DESC1(r)        (0x100C + ((r) & 0x1F) * 0x0080)