[PATCH v3 3/4] pci: add a few ARI and SRIOV related defines

laurentiu.tudor at nxp.com laurentiu.tudor at nxp.com
Tue Aug 18 12:35:10 CEST 2020


From: Laurentiu Tudor <laurentiu.tudor at nxp.com>

Add a few defines related to ARI and SRIOV configuration.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor at nxp.com>
---
 include/pci.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/pci.h b/include/pci.h
index 2089db9f16..88a09505a5 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -492,6 +492,20 @@
 #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 */
+#define PCI_EXP_DEVCAP2		36	/* Device Capabilities 2 */
+#define  PCI_EXP_DEVCAP2_ARI	0x00000020 /* ARI Forwarding Supported */
+#define PCI_EXP_DEVCTL2		40	/* Device Control 2 */
+#define  PCI_EXP_DEVCTL2_ARI	0x0020 /* Alternative Routing-ID */
+
+/* PCI SR-IOV Configuration */
+#define PCI_SRIOV_CTRL		8	/* SR-IOV Control Register */
+#define  PCI_SRIOV_CTRL_VF_EN	 0x00000001 /* VF Enable */
+#define  PCI_SRIOV_CTRL_ARI	 0x00000010 /* ARI Capable Hierarchy */
+#define PCI_SRIOV_TOTAL_VFS	14 /* TotalVFs */
+#define PCI_SRIOV_NUM_VFS	16 /* NumVFs */
+#define PCI_SRIOV_VF_OFFSET	20 /* First VF Offset */
+#define PCI_SRIOV_VF_STRIDE	22 /* VF Stride */
+
 #define PCI_EXP_LNKCTL2		48	/* Link Control 2 */
 
 /* Include the ID list */
-- 
2.17.1



More information about the U-Boot mailing list