Add support for enabling PCIe Common Clock and ASPM

[coreboot.git] / src / include / device / pci_def.h

diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h
index a5aa3a1c3b0232fd5e785fe4ef7e81e449fb189c..58a73218fe7ecec1b36850d5cc4f5eebe161149c 100644 (file)
--- a/src/include/device/pci_def.h
+++ b/src/include/device/pci_def.h
@@ -371,8 +371,15 @@
 #define  PCI_EXP_DEVSTA_AUXPD  0x10    /* AUX Power Detected */
 #define  PCI_EXP_DEVSTA_TRPND  0x20    /* Transactions Pending */
 #define PCI_EXP_LNKCAP         12      /* Link Capabilities */
+#define  PCI_EXP_LNKCAP_ASPMS  0xc00   /* ASPM Support */
+#define  PCI_EXP_LNKCAP_L0SEL  0x7000  /* L0s Exit Latency */
+#define  PCI_EXP_LNKCAP_L1EL   0x38000 /* L1 Exit Latency */
 #define PCI_EXP_LNKCTL         16      /* Link Control */
+#define  PCI_EXP_LNKCTL_RL     0x20    /* Retrain Link */
+#define  PCI_EXP_LNKCTL_CCC    0x40    /* Common Clock COnfiguration */
 #define PCI_EXP_LNKSTA         18      /* Link Status */
+#define  PCI_EXP_LNKSTA_LT     0x800   /* Link Training */
+#define  PCI_EXP_LNKSTA_SLC    0x1000  /* Slot Clock Configuration */
 #define PCI_EXP_SLTCAP         20      /* Slot Capabilities */
 #define PCI_EXP_SLTCTL         24      /* Slot Control */
 #define PCI_EXP_SLTSTA         26      /* Slot Status */