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authorAlex Deucher <alexdeucher@gmail.com>2011-01-07 02:49:35 +0300
committerDave Airlie <airlied@redhat.com>2011-01-07 07:11:14 +0300
commit9e46a48df24f9698b34d28385b320c529851e5f7 (patch)
tree9b89b4f1240fcb02e114704d93fb8b98febed85a /drivers/gpu/drm/radeon/rv770d.h
parent3313e3d4333ccbf8bd7c816775cfe9aca623bd8a (diff)
downloadlinux-9e46a48df24f9698b34d28385b320c529851e5f7.tar.xz
drm/radeon/kms: add support for gen2 pcie link speeds
Supported on rv6xx/r7xx/evergreen. Cards come up in gen1 mode. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770d.h')
-rw-r--r--drivers/gpu/drm/radeon/rv770d.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index fc77e1e1a179..abc8cf5a3672 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -360,4 +360,42 @@
#define D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH 0x691c
#define D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH 0x611c
+/* PCIE link stuff */
+#define PCIE_LC_TRAINING_CNTL 0xa1 /* PCIE_P */
+#define PCIE_LC_LINK_WIDTH_CNTL 0xa2 /* PCIE_P */
+# define LC_LINK_WIDTH_SHIFT 0
+# define LC_LINK_WIDTH_MASK 0x7
+# define LC_LINK_WIDTH_X0 0
+# define LC_LINK_WIDTH_X1 1
+# define LC_LINK_WIDTH_X2 2
+# define LC_LINK_WIDTH_X4 3
+# define LC_LINK_WIDTH_X8 4
+# define LC_LINK_WIDTH_X16 6
+# define LC_LINK_WIDTH_RD_SHIFT 4
+# define LC_LINK_WIDTH_RD_MASK 0x70
+# define LC_RECONFIG_ARC_MISSING_ESCAPE (1 << 7)
+# define LC_RECONFIG_NOW (1 << 8)
+# define LC_RENEGOTIATION_SUPPORT (1 << 9)
+# define LC_RENEGOTIATE_EN (1 << 10)
+# define LC_SHORT_RECONFIG_EN (1 << 11)
+# define LC_UPCONFIGURE_SUPPORT (1 << 12)
+# define LC_UPCONFIGURE_DIS (1 << 13)
+#define PCIE_LC_SPEED_CNTL 0xa4 /* PCIE_P */
+# define LC_GEN2_EN_STRAP (1 << 0)
+# define LC_TARGET_LINK_SPEED_OVERRIDE_EN (1 << 1)
+# define LC_FORCE_EN_HW_SPEED_CHANGE (1 << 5)
+# define LC_FORCE_DIS_HW_SPEED_CHANGE (1 << 6)
+# define LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK (0x3 << 8)
+# define LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT 3
+# define LC_CURRENT_DATA_RATE (1 << 11)
+# define LC_VOLTAGE_TIMER_SEL_MASK (0xf << 14)
+# define LC_CLR_FAILED_SPD_CHANGE_CNT (1 << 21)
+# define LC_OTHER_SIDE_EVER_SENT_GEN2 (1 << 23)
+# define LC_OTHER_SIDE_SUPPORTS_GEN2 (1 << 24)
+#define MM_CFGREGS_CNTL 0x544c
+# define MM_WR_TO_CFG_EN (1 << 3)
+#define LINK_CNTL2 0x88 /* F0 */
+# define TARGET_LINK_SPEED_MASK (0xf << 0)
+# define SELECTABLE_DEEMPHASIS (1 << 6)
+
#endif