From: Alex Deucher alexander.deucher@amd.com
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/evergreen.c | 6 ++---- drivers/gpu/drm/radeon/r600_reg.h | 3 +++ drivers/gpu/drm/radeon/radeon.h | 17 +++++++++++++++++ 3 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 0f89ce3..9009dd4 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3120,10 +3120,8 @@ static void evergreen_gpu_init(struct radeon_device *rdev) u32 efuse_straps_4; u32 efuse_straps_3;
- WREG32(RCU_IND_INDEX, 0x204); - efuse_straps_4 = RREG32(RCU_IND_DATA); - WREG32(RCU_IND_INDEX, 0x203); - efuse_straps_3 = RREG32(RCU_IND_DATA); + efuse_straps_4 = RREG32_RCU(0x204); + efuse_straps_3 = RREG32_RCU(0x203); tmp = (((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28)); } else { diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h index 909219b..58c86cc 100644 --- a/drivers/gpu/drm/radeon/r600_reg.h +++ b/drivers/gpu/drm/radeon/r600_reg.h @@ -31,6 +31,9 @@ #define R600_PCIE_PORT_INDEX 0x0038 #define R600_PCIE_PORT_DATA 0x003c
+#define R600_RCU_INDEX 0x0100 +#define R600_RCU_DATA 0x0104 + #define R600_MC_VM_FB_LOCATION 0x2180 #define R600_MC_FB_BASE_MASK 0x0000FFFF #define R600_MC_FB_BASE_SHIFT 0 diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 83f62aa..0814aa7 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1851,6 +1851,8 @@ void cik_mm_wdoorbell(struct radeon_device *rdev, u32 offset, u32 v); #define WREG32_PCIE_PORT(reg, v) rdev->pciep_wreg(rdev, (reg), (v)) #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg)) #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v)) +#define RREG32_RCU(reg) r600_rcu_rreg(rdev, (reg)) +#define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v)) #define WREG32_P(reg, val, mask) \ do { \ uint32_t tmp_ = RREG32(reg); \ @@ -1907,6 +1909,21 @@ static inline void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v) WREG32(TN_SMC_IND_DATA_0, (v)); }
+static inline u32 r600_rcu_rreg(struct radeon_device *rdev, u32 reg) +{ + u32 r; + + WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); + r = RREG32(R600_RCU_DATA); + return r; +} + +static inline void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v) +{ + WREG32(R600_RCU_INDEX, ((reg) & 0x1fff)); + WREG32(R600_RCU_DATA, (v)); +} + void r100_pll_errata_after_index(struct radeon_device *rdev);