diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 53 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 38 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 102 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/r600d.h | 39 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 76 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770d.h | 38 |
7 files changed, 348 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index eaf4fba..11344c7 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -39,6 +39,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev); void evergreen_fini(struct radeon_device *rdev); +static void evergreen_pcie_gen2_enable(struct radeon_device *rdev); void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc) { @@ -2767,6 +2768,9 @@ static int evergreen_startup(struct radeon_device *rdev) { int r; + /* enable pcie gen2 link */ + evergreen_pcie_gen2_enable(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -3049,3 +3053,52 @@ void evergreen_fini(struct radeon_device *rdev) rdev->bios = NULL; radeon_dummy_page_fini(rdev); } + +static void evergreen_pcie_gen2_enable(struct radeon_device *rdev) +{ + u32 link_width_cntl, speed_cntl; + + if (rdev->flags & RADEON_IS_IGP) + return; + + if (!(rdev->flags & RADEON_IS_PCIE)) + return; + + /* x2 cards have a special sequence */ + if (ASIC_IS_X2(rdev)) + return; + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) || + (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { + + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + link_width_cntl &= ~LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl |= LC_GEN2_EN_STRAP; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + } else { + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ + if (1) + link_width_cntl |= LC_UPCONFIGURE_DIS; + else + link_width_cntl &= ~LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } +} diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 94140e1..b8da323 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 */ diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 60ad8c0..6b50716 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -94,6 +94,7 @@ int r600_mc_wait_for_idle(struct radeon_device *rdev); void r600_gpu_init(struct radeon_device *rdev); void r600_fini(struct radeon_device *rdev); void r600_irq_disable(struct radeon_device *rdev); +static void r600_pcie_gen2_enable(struct radeon_device *rdev); /* get temperature in millidegrees */ u32 rv6xx_get_temp(struct radeon_device *rdev) @@ -2379,6 +2380,9 @@ int r600_startup(struct radeon_device *rdev) { int r; + /* enable pcie gen2 link */ + r600_pcie_gen2_enable(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -3649,3 +3653,101 @@ int r600_get_pcie_lanes(struct radeon_device *rdev) } } +static void r600_pcie_gen2_enable(struct radeon_device *rdev) +{ + u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp; + u16 link_cntl2; + + if (rdev->flags & RADEON_IS_IGP) + return; + + if (!(rdev->flags & RADEON_IS_PCIE)) + return; + + /* x2 cards have a special sequence */ + if (ASIC_IS_X2(rdev)) + return; + + /* only RV6xx+ chips are supported */ + if (rdev->family <= CHIP_R600) + return; + + /* 55 nm r6xx asics */ + if ((rdev->family == CHIP_RV670) || + (rdev->family == CHIP_RV620) || + (rdev->family == CHIP_RV635)) { + /* advertise upconfig capability */ + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + link_width_cntl &= ~LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { + lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; + link_width_cntl &= ~(LC_LINK_WIDTH_MASK | + LC_RECONFIG_ARC_MISSING_ESCAPE); + link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } else { + link_width_cntl |= LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } + } + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && + (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { + + /* 55 nm r6xx asics */ + if ((rdev->family == CHIP_RV670) || + (rdev->family == CHIP_RV620) || + (rdev->family == CHIP_RV635)) { + WREG32(MM_CFGREGS_CNTL, 0x8); + link_cntl2 = RREG32(0x4088); + WREG32(MM_CFGREGS_CNTL, 0); + /* not supported yet */ + if (link_cntl2 & SELECTABLE_DEEMPHASIS) + return; + } + + speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK; + speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT); + speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK; + speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE; + speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + tmp = RREG32(0x541c); + WREG32(0x541c, tmp | 0x8); + WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); + link_cntl2 = RREG16(0x4088); + link_cntl2 &= ~TARGET_LINK_SPEED_MASK; + link_cntl2 |= 0x2; + WREG16(0x4088, link_cntl2); + WREG32(MM_CFGREGS_CNTL, 0); + + if ((rdev->family == CHIP_RV670) || + (rdev->family == CHIP_RV620) || + (rdev->family == CHIP_RV635)) { + training_cntl = RREG32_PCIE_P(PCIE_LC_TRAINING_CNTL); + training_cntl &= ~LC_POINT_7_PLUS_EN; + WREG32_PCIE_P(PCIE_LC_TRAINING_CNTL, training_cntl); + } else { + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + } + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl |= LC_GEN2_EN_STRAP; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + } else { + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ + if (1) + link_width_cntl |= LC_UPCONFIGURE_DIS; + else + link_width_cntl &= ~LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } +} diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index c89cfa8..a5d898b 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -737,6 +737,45 @@ # define DxGRPH_PFLIP_INT_MASK (1 << 0) # define DxGRPH_PFLIP_INT_TYPE (1 << 8) +/* PCIE link stuff */ +#define PCIE_LC_TRAINING_CNTL 0xa1 /* PCIE_P */ +# define LC_POINT_7_PLUS_EN (1 << 6) +#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 */ diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index e9fb64c..3e635c6 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1244,6 +1244,8 @@ static inline void r100_io_wreg(struct radeon_device *rdev, u32 reg, u32 v) */ #define RREG8(reg) readb(((void __iomem *)rdev->rmmio) + (reg)) #define WREG8(reg, v) writeb(v, ((void __iomem *)rdev->rmmio) + (reg)) +#define RREG16(reg) readw(((void __iomem *)rdev->rmmio) + (reg)) +#define WREG16(reg, v) writew(v, ((void __iomem *)rdev->rmmio) + (reg)) #define RREG32(reg) r100_mm_rreg(rdev, (reg)) #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", r100_mm_rreg(rdev, (reg))) #define WREG32(reg, v) r100_mm_wreg(rdev, (reg), (v)) diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 645aa1f..3a264aa 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -41,6 +41,7 @@ static void rv770_gpu_init(struct radeon_device *rdev); void rv770_fini(struct radeon_device *rdev); +static void rv770_pcie_gen2_enable(struct radeon_device *rdev); u32 rv770_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) { @@ -1124,6 +1125,9 @@ static int rv770_startup(struct radeon_device *rdev) { int r; + /* enable pcie gen2 link */ + rv770_pcie_gen2_enable(rdev); + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { @@ -1362,3 +1366,75 @@ void rv770_fini(struct radeon_device *rdev) rdev->bios = NULL; radeon_dummy_page_fini(rdev); } + +static void rv770_pcie_gen2_enable(struct radeon_device *rdev) +{ + u32 link_width_cntl, lanes, speed_cntl, tmp; + u16 link_cntl2; + + if (rdev->flags & RADEON_IS_IGP) + return; + + if (!(rdev->flags & RADEON_IS_PCIE)) + return; + + /* x2 cards have a special sequence */ + if (ASIC_IS_X2(rdev)) + return; + + /* advertise upconfig capability */ + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + link_width_cntl &= ~LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) { + lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT; + link_width_cntl &= ~(LC_LINK_WIDTH_MASK | + LC_RECONFIG_ARC_MISSING_ESCAPE); + link_width_cntl |= lanes | LC_RECONFIG_NOW | + LC_RENEGOTIATE_EN | LC_UPCONFIGURE_SUPPORT; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } else { + link_width_cntl |= LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) && + (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { + + tmp = RREG32(0x541c); + WREG32(0x541c, tmp | 0x8); + WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN); + link_cntl2 = RREG16(0x4088); + link_cntl2 &= ~TARGET_LINK_SPEED_MASK; + link_cntl2 |= 0x2; + WREG16(0x4088, link_cntl2); + WREG32(MM_CFGREGS_CNTL, 0); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); + speed_cntl |= LC_GEN2_EN_STRAP; + WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); + + } else { + link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); + /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ + if (1) + link_width_cntl |= LC_UPCONFIGURE_DIS; + else + link_width_cntl &= ~LC_UPCONFIGURE_DIS; + WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); + } +} diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h index fc77e1e..abc8cf5 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 |
