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Diffstat (limited to 'include/pci.h')
-rw-r--r--include/pci.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/include/pci.h b/include/pci.h
index 19c9244b94..9cd8564436 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -471,10 +471,19 @@
#define PCI_EA_FIELD_MASK 0xfffffffc /* For Base & Max Offset */
/* PCI Express capabilities */
+#define PCI_EXP_FLAGS 2 /* Capabilities register */
+#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
+#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
#define PCI_EXP_DEVCAP 4 /* Device capabilities */
-#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
+#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
#define PCI_EXP_DEVCTL 8 /* Device Control */
-#define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */
+#define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */
+#define PCI_EXP_LNKCAP 12 /* Link Capabilities */
+#define PCI_EXP_LNKCAP_DLLLARC 0x00100000 /* Data Link Layer Link Active Reporting Capable */
+#define PCI_EXP_LNKSTA 18 /* Link Status */
+#define PCI_EXP_LNKSTA_DLLLA 0x2000 /* Data Link Layer Link Active */
+#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
+#define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */
/* Include the ID list */