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

Signed-off-by: Sylwester Nawrocki <s.nawro...@samsung.com>
Reviewed-by: Bin Meng <bmeng...@gmail.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulie...@suse.de>
---
Changes since v1:
 - none.
Changes since RFC:
 - ensure the entries are added in order, sorted by ascending
   address values.
---
 include/pci.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/pci.h b/include/pci.h
index dfdbb32..66676c0 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -479,11 +479,17 @@
 #define PCI_EXP_DEVCTL         8       /* Device Control */
 #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_SLTCAP         20      /* Slot Capabilities */
 #define  PCI_EXP_SLTCAP_PSN    0xfff80000 /* Physical Slot Number */
+#define PCI_EXP_LNKCTL2                48      /* Link Control 2 */
 
 /* Include the ID list */
 
-- 
2.7.4

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