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-rw-r--r--src/radeon_reg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/radeon_reg.h b/src/radeon_reg.h
index 13f5ad0d..9ca65227 100644
--- a/src/radeon_reg.h
+++ b/src/radeon_reg.h
@@ -87,6 +87,7 @@
# define RADEON_CAP_PTR_MASK 0xfc /* mask off reserved bits of CAP_PTR */
# define RADEON_CAP_ID_NULL 0x00 /* End of capability list */
# define RADEON_CAP_ID_AGP 0x02 /* AGP capability ID */
+# define RADEON_CAP_ID_EXP 0x10 /* PCI Express */
#define RADEON_AGP_COMMAND 0x0f60 /* PCI */
#define RADEON_AGP_COMMAND_PCI_CONFIG 0x0060 /* offset in PCI config*/
# define RADEON_AGP_ENABLE (1<<8)