[RFC PATCH 7/9] pci: Add some PCI Express capability register offset definitions

[Sylwester Nawrocki]

Add PCI Express capability definitions required by the Broadcom STB PCIe
driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
---
 include/pci.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/pci.h b/include/pci.h
index 3d7646d..2b25a17 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -481,10 +481,17 @@
 #define  PCI_EXP_DEVCTL_BCR_FLR 0x8000  /* Bridge Configuration Retry / FLR */
 
 #define PCI_EXP_LNKCAP		12	/* Link Capabilities */
+#define  PCI_EXP_LNKCAP_SLS	0x0000000f /* Supported Link Speeds */
+#define  PCI_EXP_LNKCAP_MLW	0x000003f0 /* Maximum Link Width */
 #define  PCI_EXP_LNKCAP_DLLLARC	0x00100000 /* Data Link Layer Link Active Reporting Capable */
 
 #define PCI_EXP_LNKSTA		18	/* Link Status */
+#define  PCI_EXP_LNKSTA_CLS	0x000f	/* Current Link Speed */
+#define  PCI_EXP_LNKSTA_NLW	0x03f0	/* Negotiated Link Width */
+#define  PCI_EXP_LNKSTA_NLW_SHIFT 4	/* start of NLW mask in link status */
+
 #define  PCI_EXP_LNKSTA_DLLLA	0x2000	/* Data Link Layer Link Active */
+#define PCI_EXP_LNKCTL2		48	/* Link Control 2 */
 
 #define PCI_EXP_SLTCAP		20	/* Slot Capabilities */
 #define  PCI_EXP_SLTCAP_PSN	0xfff80000 /* Physical Slot Number */
-- 
2.7.4