From: Alex Deucher alexander.deucher@amd.com
Load the GDDR5 ucode and train the links.
v2: update ucode
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/cik.c | 116 +++++++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/radeon/cikd.h | 16 ++++++ 2 files changed, 132 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 36e0fc9..8eec582 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -65,6 +65,122 @@ extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_sa extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); extern void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
+#define BONAIRE_IO_MC_REGS_SIZE 36 + +static const u32 bonaire_io_mc_regs[BONAIRE_IO_MC_REGS_SIZE][2] = +{ + {0x00000070, 0x04400000}, + {0x00000071, 0x80c01803}, + {0x00000072, 0x00004004}, + {0x00000073, 0x00000100}, + {0x00000074, 0x00ff0000}, + {0x00000075, 0x34000000}, + {0x00000076, 0x08000014}, + {0x00000077, 0x00cc08ec}, + {0x00000078, 0x00000400}, + {0x00000079, 0x00000000}, + {0x0000007a, 0x04090000}, + {0x0000007c, 0x00000000}, + {0x0000007e, 0x4408a8e8}, + {0x0000007f, 0x00000304}, + {0x00000080, 0x00000000}, + {0x00000082, 0x00000001}, + {0x00000083, 0x00000002}, + {0x00000084, 0xf3e4f400}, + {0x00000085, 0x052024e3}, + {0x00000087, 0x00000000}, + {0x00000088, 0x01000000}, + {0x0000008a, 0x1c0a0000}, + {0x0000008b, 0xff010000}, + {0x0000008d, 0xffffefff}, + {0x0000008e, 0xfff3efff}, + {0x0000008f, 0xfff3efbf}, + {0x00000092, 0xf7ffffff}, + {0x00000093, 0xffffff7f}, + {0x00000095, 0x00101101}, + {0x00000096, 0x00000fff}, + {0x00000097, 0x00116fff}, + {0x00000098, 0x60010000}, + {0x00000099, 0x10010000}, + {0x0000009a, 0x00006000}, + {0x0000009b, 0x00001000}, + {0x0000009f, 0x00b48000} +}; + +/* ucode loading */ +/** + * ci_mc_load_microcode - load MC ucode into the hw + * + * @rdev: radeon_device pointer + * + * Load the GDDR MC ucode into the hw (CIK). + * Returns 0 on success, error on failure. + */ +static int ci_mc_load_microcode(struct radeon_device *rdev) +{ + const __be32 *fw_data; + u32 running, blackout = 0; + u32 *io_mc_regs; + int i, ucode_size, regs_size; + + if (!rdev->mc_fw) + return -EINVAL; + + switch (rdev->family) { + case CHIP_BONAIRE: + default: + io_mc_regs = (u32 *)&bonaire_io_mc_regs; + ucode_size = CIK_MC_UCODE_SIZE; + regs_size = BONAIRE_IO_MC_REGS_SIZE; + break; + } + + running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; + + if (running == 0) { + if (running) { + blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); + WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1); + } + + /* reset the engine and set to writable */ + WREG32(MC_SEQ_SUP_CNTL, 0x00000008); + WREG32(MC_SEQ_SUP_CNTL, 0x00000010); + + /* load mc io regs */ + for (i = 0; i < regs_size; i++) { + WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); + WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); + } + /* load the MC ucode */ + fw_data = (const __be32 *)rdev->mc_fw->data; + for (i = 0; i < ucode_size; i++) + WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); + + /* put the engine back into the active state */ + WREG32(MC_SEQ_SUP_CNTL, 0x00000008); + WREG32(MC_SEQ_SUP_CNTL, 0x00000004); + WREG32(MC_SEQ_SUP_CNTL, 0x00000001); + + /* wait for training to complete */ + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0) + break; + udelay(1); + } + for (i = 0; i < rdev->usec_timeout; i++) { + if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1) + break; + udelay(1); + } + + if (running) + WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); + } + + return 0; +} + /** * cik_init_microcode - load ucode images from disk * diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index 0dab9c5..2300ae0 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -139,6 +139,8 @@ #define ENABLE_ADVANCED_DRIVER_MODEL (1 << 6) #define MC_VM_FB_OFFSET 0x2068
+#define MC_SHARED_BLACKOUT_CNTL 0x20ac + #define MC_ARB_RAMCFG 0x2760 #define NOOFBANK_SHIFT 0 #define NOOFBANK_MASK 0x00000003 @@ -153,6 +155,20 @@ #define NOOFGROUPS_SHIFT 12 #define NOOFGROUPS_MASK 0x00001000
+#define MC_SEQ_SUP_CNTL 0x28c8 +#define RUN_MASK (1 << 0) +#define MC_SEQ_SUP_PGM 0x28cc + +#define MC_SEQ_TRAIN_WAKEUP_CNTL 0x28e8 +#define TRAIN_DONE_D0 (1 << 30) +#define TRAIN_DONE_D1 (1 << 31) + +#define MC_IO_PAD_CNTL_D0 0x29d0 +#define MEM_FALL_OUT_CMD (1 << 8) + +#define MC_SEQ_IO_DEBUG_INDEX 0x2a44 +#define MC_SEQ_IO_DEBUG_DATA 0x2a48 + #define HDP_HOST_PATH_CNTL 0x2C00 #define HDP_NONSURFACE_BASE 0x2C04 #define HDP_NONSURFACE_INFO 0x2C08