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authorSylwester Nawrocki <s.nawrocki@samsung.com>2020-05-25 13:39:53 +0200
committerMatthias Brugger <mbrugger@suse.com>2020-07-09 15:46:12 +0200
commitb6687e19f9d3fdd33e76991df3dfcba60961ce35 (patch)
treea1d307d9910c05fe42a74b24cbb5aa83c91c1fb9 /include/pci.h
parent8e2ab05000ab91daea63022665d2b0c86f5cba3c (diff)
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pci: Move some PCIe register offset definitions to a common header
Some PCI Express register offsets are currently defined in multiple drivers, move them to a common header to avoid re-definitions and as a pre-requisite for adding new PCIe driver. While at it replace some spaces with tabs. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Matthias Brugger <mbrugger@suse.com>
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 19c9244..9cd8564 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 */