From: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@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);
--
1.7.7.5
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