diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-01-06 18:49:35 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-01-07 14:11:14 +1000 |
| commit | 9e46a48df24f9698b34d28385b320c529851e5f7 (patch) | |
| tree | 9b89b4f1240fcb02e114704d93fb8b98febed85a /drivers/gpu/drm/radeon/evergreend.h | |
| parent | 3313e3d4333ccbf8bd7c816775cfe9aca623bd8a (diff) | |
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/evergreend.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 94140e142abb..b8da323f15c8 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -581,6 +581,44 @@ # define DC_HPDx_RX_INT_TIMER(x) ((x) << 16) # define DC_HPDx_EN (1 << 28) +/* 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) + /* * PM4 */ |