diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-02-15 11:02:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 19:16:27 -0400 |
| commit | f52382d73e8b5bf8bc9e2faadab365d8c38c64a9 (patch) | |
| tree | 9141ef08f08c29da296e2b4b6ba8e1628cba3960 /drivers/gpu/drm/radeon/evergreend.h | |
| parent | 792edd69573da6d8981a82ec830e6257ead822d8 (diff) | |
| download | linux-f52382d73e8b5bf8bc9e2faadab365d8c38c64a9.tar.gz linux-f52382d73e8b5bf8bc9e2faadab365d8c38c64a9.tar.xz | |
drm/radeon: add support for ASPM on evergreen asics
Enables PCIE ASPM (Active State Power Management) on
evergreen-cayman asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/evergreend.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 35e61539b5f8..c0df1cac9485 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -1323,7 +1323,48 @@ #define DMA_PACKET_CONSTANT_FILL 0xd #define DMA_PACKET_NOP 0xf -/* PCIE link stuff */ +/* PIF PHY0 indirect regs */ +#define PB0_PIF_CNTL 0x10 +# define LS2_EXIT_TIME(x) ((x) << 17) +# define LS2_EXIT_TIME_MASK (0x7 << 17) +# define LS2_EXIT_TIME_SHIFT 17 +#define PB0_PIF_PAIRING 0x11 +# define MULTI_PIF (1 << 25) +#define PB0_PIF_PWRDOWN_0 0x12 +# define PLL_POWER_STATE_IN_TXS2_0(x) ((x) << 7) +# define PLL_POWER_STATE_IN_TXS2_0_MASK (0x7 << 7) +# define PLL_POWER_STATE_IN_TXS2_0_SHIFT 7 +# define PLL_POWER_STATE_IN_OFF_0(x) ((x) << 10) +# define PLL_POWER_STATE_IN_OFF_0_MASK (0x7 << 10) +# define PLL_POWER_STATE_IN_OFF_0_SHIFT 10 +# define PLL_RAMP_UP_TIME_0(x) ((x) << 24) +# define PLL_RAMP_UP_TIME_0_MASK (0x7 << 24) +# define PLL_RAMP_UP_TIME_0_SHIFT 24 +#define PB0_PIF_PWRDOWN_1 0x13 +# define PLL_POWER_STATE_IN_TXS2_1(x) ((x) << 7) +# define PLL_POWER_STATE_IN_TXS2_1_MASK (0x7 << 7) +# define PLL_POWER_STATE_IN_TXS2_1_SHIFT 7 +# define PLL_POWER_STATE_IN_OFF_1(x) ((x) << 10) +# define PLL_POWER_STATE_IN_OFF_1_MASK (0x7 << 10) +# define PLL_POWER_STATE_IN_OFF_1_SHIFT 10 +# define PLL_RAMP_UP_TIME_1(x) ((x) << 24) +# define PLL_RAMP_UP_TIME_1_MASK (0x7 << 24) +# define PLL_RAMP_UP_TIME_1_SHIFT 24 +/* PIF PHY1 indirect regs */ +#define PB1_PIF_CNTL 0x10 +#define PB1_PIF_PAIRING 0x11 +#define PB1_PIF_PWRDOWN_0 0x12 +#define PB1_PIF_PWRDOWN_1 0x13 +/* PCIE PORT indirect regs */ +#define PCIE_LC_CNTL 0xa0 +# define LC_L0S_INACTIVITY(x) ((x) << 8) +# define LC_L0S_INACTIVITY_MASK (0xf << 8) +# define LC_L0S_INACTIVITY_SHIFT 8 +# define LC_L1_INACTIVITY(x) ((x) << 12) +# define LC_L1_INACTIVITY_MASK (0xf << 12) +# define LC_L1_INACTIVITY_SHIFT 12 +# define LC_PMI_TO_L1_DIS (1 << 16) +# define LC_ASPM_TO_L1_DIS (1 << 24) #define PCIE_LC_TRAINING_CNTL 0xa1 /* PCIE_P */ #define PCIE_LC_LINK_WIDTH_CNTL 0xa2 /* PCIE_P */ # define LC_LINK_WIDTH_SHIFT 0 @@ -1343,6 +1384,9 @@ # define LC_SHORT_RECONFIG_EN (1 << 11) # define LC_UPCONFIGURE_SUPPORT (1 << 12) # define LC_UPCONFIGURE_DIS (1 << 13) +# define LC_DYN_LANES_PWR_STATE(x) ((x) << 21) +# define LC_DYN_LANES_PWR_STATE_MASK (0x3 << 21) +# define LC_DYN_LANES_PWR_STATE_SHIFT 21 #define PCIE_LC_SPEED_CNTL 0xa4 /* PCIE_P */ # define LC_GEN2_EN_STRAP (1 << 0) # define LC_TARGET_LINK_SPEED_OVERRIDE_EN (1 << 1) |